[med-svn] [libseqlib] 02/04: New upstream version 1.1.1+dfsg
Andreas Tille
tille at debian.org
Fri Feb 3 17:00:44 UTC 2017
This is an automated email from the git hooks/post-receive script.
tille pushed a commit to branch master
in repository libseqlib.
commit a837534af943b5250cfd28e1c3ac3567ea98beef
Author: Andreas Tille <tille at debian.org>
Date: Fri Feb 3 17:54:10 2017 +0100
New upstream version 1.1.1+dfsg
---
src/jsoncpp.cpp | 5247 -------------------------------------------------------
1 file changed, 5247 deletions(-)
diff --git a/src/jsoncpp.cpp b/src/jsoncpp.cpp
deleted file mode 100644
index 62d5bda..0000000
--- a/src/jsoncpp.cpp
+++ /dev/null
@@ -1,5247 +0,0 @@
-/// Json-cpp amalgated source (http://jsoncpp.sourceforge.net/).
-/// It is intended to be used with #include "json/json.h"
-
-// //////////////////////////////////////////////////////////////////////
-// Beginning of content of file: LICENSE
-// //////////////////////////////////////////////////////////////////////
-
-/*
-The JsonCpp library's source code, including accompanying documentation,
-tests and demonstration applications, are licensed under the following
-conditions...
-
-The author (Baptiste Lepilleur) explicitly disclaims copyright in all
-jurisdictions which recognize such a disclaimer. In such jurisdictions,
-this software is released into the Public Domain.
-
-In jurisdictions which do not recognize Public Domain property (e.g. Germany as of
-2010), this software is Copyright (c) 2007-2010 by Baptiste Lepilleur, and is
-released under the terms of the MIT License (see below).
-
-In jurisdictions which recognize Public Domain property, the user of this
-software may choose to accept it either as 1) Public Domain, 2) under the
-conditions of the MIT License (see below), or 3) under the terms of dual
-Public Domain/MIT License conditions described here, as they choose.
-
-The MIT License is about as close to Public Domain as a license can get, and is
-described in clear, concise terms at:
-
- http://en.wikipedia.org/wiki/MIT_License
-
-The full text of the MIT License follows:
-
-========================================================================
-Copyright (c) 2007-2010 Baptiste Lepilleur
-
-Permission is hereby granted, free of charge, to any person
-obtaining a copy of this software and associated documentation
-files (the "Software"), to deal in the Software without
-restriction, including without limitation the rights to use, copy,
-modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
-BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-========================================================================
-(END LICENSE TEXT)
-
-The MIT license is compatible with both the GPL and commercial
-software, affording one all of the rights of Public Domain with the
-minor nuisance of being required to keep the above copyright notice
-and license text in the source code. Note also that by accepting the
-Public Domain "license" you can re-license your copy using whatever
-license you like.
-
-*/
-
-// //////////////////////////////////////////////////////////////////////
-// End of content of file: LICENSE
-// //////////////////////////////////////////////////////////////////////
-
-
-
-
-
-
-#include "json/json.h"
-
-#ifndef JSON_IS_AMALGAMATION
-#error "Compile with -I PATH_TO_JSON_DIRECTORY"
-#endif
-
-
-// //////////////////////////////////////////////////////////////////////
-// Beginning of content of file: src/lib_json/json_tool.h
-// //////////////////////////////////////////////////////////////////////
-
-// Copyright 2007-2010 Baptiste Lepilleur
-// Distributed under MIT license, or public domain if desired and
-// recognized in your jurisdiction.
-// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
-
-#ifndef LIB_JSONCPP_JSON_TOOL_H_INCLUDED
-#define LIB_JSONCPP_JSON_TOOL_H_INCLUDED
-
-/* This header provides common string manipulation support, such as UTF-8,
- * portable conversion from/to string...
- *
- * It is an internal header that must not be exposed.
- */
-
-namespace Json {
-
-/// Converts a unicode code-point to UTF-8.
-static inline JSONCPP_STRING codePointToUTF8(unsigned int cp) {
- JSONCPP_STRING result;
-
- // based on description from http://en.wikipedia.org/wiki/UTF-8
-
- if (cp <= 0x7f) {
- result.resize(1);
- result[0] = static_cast<char>(cp);
- } else if (cp <= 0x7FF) {
- result.resize(2);
- result[1] = static_cast<char>(0x80 | (0x3f & cp));
- result[0] = static_cast<char>(0xC0 | (0x1f & (cp >> 6)));
- } else if (cp <= 0xFFFF) {
- result.resize(3);
- result[2] = static_cast<char>(0x80 | (0x3f & cp));
- result[1] = static_cast<char>(0x80 | (0x3f & (cp >> 6)));
- result[0] = static_cast<char>(0xE0 | (0xf & (cp >> 12)));
- } else if (cp <= 0x10FFFF) {
- result.resize(4);
- result[3] = static_cast<char>(0x80 | (0x3f & cp));
- result[2] = static_cast<char>(0x80 | (0x3f & (cp >> 6)));
- result[1] = static_cast<char>(0x80 | (0x3f & (cp >> 12)));
- result[0] = static_cast<char>(0xF0 | (0x7 & (cp >> 18)));
- }
-
- return result;
-}
-
-/// Returns true if ch is a control character (in range [1,31]).
-static inline bool isControlCharacter(char ch) { return ch > 0 && ch <= 0x1F; }
-
-enum {
- /// Constant that specify the size of the buffer that must be passed to
- /// uintToString.
- uintToStringBufferSize = 3 * sizeof(LargestUInt) + 1
-};
-
-// Defines a char buffer for use with uintToString().
-typedef char UIntToStringBuffer[uintToStringBufferSize];
-
-/** Converts an unsigned integer to string.
- * @param value Unsigned interger to convert to string
- * @param current Input/Output string buffer.
- * Must have at least uintToStringBufferSize chars free.
- */
-static inline void uintToString(LargestUInt value, char*& current) {
- *--current = 0;
- do {
- *--current = static_cast<char>(value % 10U + static_cast<unsigned>('0'));
- value /= 10;
- } while (value != 0);
-}
-
-/** Change ',' to '.' everywhere in buffer.
- *
- * We had a sophisticated way, but it did not work in WinCE.
- * @see https://github.com/open-source-parsers/jsoncpp/pull/9
- */
-static inline void fixNumericLocale(char* begin, char* end) {
- while (begin < end) {
- if (*begin == ',') {
- *begin = '.';
- }
- ++begin;
- }
-}
-
-} // namespace Json {
-
-#endif // LIB_JSONCPP_JSON_TOOL_H_INCLUDED
-
-// //////////////////////////////////////////////////////////////////////
-// End of content of file: src/lib_json/json_tool.h
-// //////////////////////////////////////////////////////////////////////
-
-
-
-
-
-
-// //////////////////////////////////////////////////////////////////////
-// Beginning of content of file: src/lib_json/json_reader.cpp
-// //////////////////////////////////////////////////////////////////////
-
-// Copyright 2007-2011 Baptiste Lepilleur
-// Distributed under MIT license, or public domain if desired and
-// recognized in your jurisdiction.
-// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
-
-#if !defined(JSON_IS_AMALGAMATION)
-#include <json/assertions.h>
-#include <json/reader.h>
-#include <json/value.h>
-#include "json_tool.h"
-#endif // if !defined(JSON_IS_AMALGAMATION)
-#include <utility>
-#include <cstdio>
-#include <cassert>
-#include <cstring>
-#include <istream>
-#include <sstream>
-#include <memory>
-#include <set>
-#include <limits>
-
-#if defined(_MSC_VER)
-#if !defined(WINCE) && defined(__STDC_SECURE_LIB__) && _MSC_VER >= 1500 // VC++ 9.0 and above
-#define snprintf sprintf_s
-#elif _MSC_VER >= 1900 // VC++ 14.0 and above
-#define snprintf std::snprintf
-#else
-#define snprintf _snprintf
-#endif
-#elif defined(__ANDROID__) || defined(__QNXNTO__)
-#define snprintf snprintf
-#elif __cplusplus >= 201103L
-#if !defined(__MINGW32__) && !defined(__CYGWIN__)
-#define snprintf std::snprintf
-#endif
-#endif
-
-#if defined(__QNXNTO__)
-#define sscanf std::sscanf
-#endif
-
-#if defined(_MSC_VER) && _MSC_VER >= 1400 // VC++ 8.0
-// Disable warning about strdup being deprecated.
-#pragma warning(disable : 4996)
-#endif
-
-static int const stackLimit_g = 1000;
-static int stackDepth_g = 0; // see readValue()
-
-namespace Json {
-
-#if __cplusplus >= 201103L || (defined(_CPPLIB_VER) && _CPPLIB_VER >= 520)
-typedef std::unique_ptr<CharReader> CharReaderPtr;
-#else
-typedef std::auto_ptr<CharReader> CharReaderPtr;
-#endif
-
-// Implementation of class Features
-// ////////////////////////////////
-
-Features::Features()
- : allowComments_(true), strictRoot_(false),
- allowDroppedNullPlaceholders_(false), allowNumericKeys_(false) {}
-
-Features Features::all() { return Features(); }
-
-Features Features::strictMode() {
- Features features;
- features.allowComments_ = false;
- features.strictRoot_ = true;
- features.allowDroppedNullPlaceholders_ = false;
- features.allowNumericKeys_ = false;
- return features;
-}
-
-// Implementation of class Reader
-// ////////////////////////////////
-
-static bool containsNewLine(Reader::Location begin, Reader::Location end) {
- for (; begin < end; ++begin)
- if (*begin == '\n' || *begin == '\r')
- return true;
- return false;
-}
-
-// Class Reader
-// //////////////////////////////////////////////////////////////////
-
-Reader::Reader()
- : errors_(), document_(), begin_(), end_(), current_(), lastValueEnd_(),
- lastValue_(), commentsBefore_(), features_(Features::all()),
- collectComments_() {}
-
-Reader::Reader(const Features& features)
- : errors_(), document_(), begin_(), end_(), current_(), lastValueEnd_(),
- lastValue_(), commentsBefore_(), features_(features), collectComments_() {
-}
-
-bool
-Reader::parse(const std::string& document, Value& root, bool collectComments) {
- JSONCPP_STRING documentCopy(document.data(), document.data() + document.capacity());
- std::swap(documentCopy, document_);
- const char* begin = document_.c_str();
- const char* end = begin + document_.length();
- return parse(begin, end, root, collectComments);
-}
-
-bool Reader::parse(std::istream& sin, Value& root, bool collectComments) {
- // std::istream_iterator<char> begin(sin);
- // std::istream_iterator<char> end;
- // Those would allow streamed input from a file, if parse() were a
- // template function.
-
- // Since JSONCPP_STRING is reference-counted, this at least does not
- // create an extra copy.
- JSONCPP_STRING doc;
- std::getline(sin, doc, (char)EOF);
- return parse(doc.data(), doc.data() + doc.size(), root, collectComments);
-}
-
-bool Reader::parse(const char* beginDoc,
- const char* endDoc,
- Value& root,
- bool collectComments) {
- if (!features_.allowComments_) {
- collectComments = false;
- }
-
- begin_ = beginDoc;
- end_ = endDoc;
- collectComments_ = collectComments;
- current_ = begin_;
- lastValueEnd_ = 0;
- lastValue_ = 0;
- commentsBefore_ = "";
- errors_.clear();
- while (!nodes_.empty())
- nodes_.pop();
- nodes_.push(&root);
-
- stackDepth_g = 0; // Yes, this is bad coding, but options are limited.
- bool successful = readValue();
- Token token;
- skipCommentTokens(token);
- if (collectComments_ && !commentsBefore_.empty())
- root.setComment(commentsBefore_, commentAfter);
- if (features_.strictRoot_) {
- if (!root.isArray() && !root.isObject()) {
- // Set error location to start of doc, ideally should be first token found
- // in doc
- token.type_ = tokenError;
- token.start_ = beginDoc;
- token.end_ = endDoc;
- addError(
- "A valid JSON document must be either an array or an object value.",
- token);
- return false;
- }
- }
- return successful;
-}
-
-bool Reader::readValue() {
- // This is a non-reentrant way to support a stackLimit. Terrible!
- // But this deprecated class has a security problem: Bad input can
- // cause a seg-fault. This seems like a fair, binary-compatible way
- // to prevent the problem.
- if (stackDepth_g >= stackLimit_g) throwRuntimeError("Exceeded stackLimit in readValue().");
- ++stackDepth_g;
-
- Token token;
- skipCommentTokens(token);
- bool successful = true;
-
- if (collectComments_ && !commentsBefore_.empty()) {
- currentValue().setComment(commentsBefore_, commentBefore);
- commentsBefore_ = "";
- }
-
- switch (token.type_) {
- case tokenObjectBegin:
- successful = readObject(token);
- currentValue().setOffsetLimit(current_ - begin_);
- break;
- case tokenArrayBegin:
- successful = readArray(token);
- currentValue().setOffsetLimit(current_ - begin_);
- break;
- case tokenNumber:
- successful = decodeNumber(token);
- break;
- case tokenString:
- successful = decodeString(token);
- break;
- case tokenTrue:
- {
- Value v(true);
- currentValue().swapPayload(v);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenFalse:
- {
- Value v(false);
- currentValue().swapPayload(v);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenNull:
- {
- Value v;
- currentValue().swapPayload(v);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenArraySeparator:
- case tokenObjectEnd:
- case tokenArrayEnd:
- if (features_.allowDroppedNullPlaceholders_) {
- // "Un-read" the current token and mark the current value as a null
- // token.
- current_--;
- Value v;
- currentValue().swapPayload(v);
- currentValue().setOffsetStart(current_ - begin_ - 1);
- currentValue().setOffsetLimit(current_ - begin_);
- break;
- } // Else, fall through...
- default:
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- return addError("Syntax error: value, object or array expected.", token);
- }
-
- if (collectComments_) {
- lastValueEnd_ = current_;
- lastValue_ = ¤tValue();
- }
-
- --stackDepth_g;
- return successful;
-}
-
-void Reader::skipCommentTokens(Token& token) {
- if (features_.allowComments_) {
- do {
- readToken(token);
- } while (token.type_ == tokenComment);
- } else {
- readToken(token);
- }
-}
-
-bool Reader::readToken(Token& token) {
- skipSpaces();
- token.start_ = current_;
- Char c = getNextChar();
- bool ok = true;
- switch (c) {
- case '{':
- token.type_ = tokenObjectBegin;
- break;
- case '}':
- token.type_ = tokenObjectEnd;
- break;
- case '[':
- token.type_ = tokenArrayBegin;
- break;
- case ']':
- token.type_ = tokenArrayEnd;
- break;
- case '"':
- token.type_ = tokenString;
- ok = readString();
- break;
- case '/':
- token.type_ = tokenComment;
- ok = readComment();
- break;
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- case '-':
- token.type_ = tokenNumber;
- readNumber();
- break;
- case 't':
- token.type_ = tokenTrue;
- ok = match("rue", 3);
- break;
- case 'f':
- token.type_ = tokenFalse;
- ok = match("alse", 4);
- break;
- case 'n':
- token.type_ = tokenNull;
- ok = match("ull", 3);
- break;
- case ',':
- token.type_ = tokenArraySeparator;
- break;
- case ':':
- token.type_ = tokenMemberSeparator;
- break;
- case 0:
- token.type_ = tokenEndOfStream;
- break;
- default:
- ok = false;
- break;
- }
- if (!ok)
- token.type_ = tokenError;
- token.end_ = current_;
- return true;
-}
-
-void Reader::skipSpaces() {
- while (current_ != end_) {
- Char c = *current_;
- if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
- ++current_;
- else
- break;
- }
-}
-
-bool Reader::match(Location pattern, int patternLength) {
- if (end_ - current_ < patternLength)
- return false;
- int index = patternLength;
- while (index--)
- if (current_[index] != pattern[index])
- return false;
- current_ += patternLength;
- return true;
-}
-
-bool Reader::readComment() {
- Location commentBegin = current_ - 1;
- Char c = getNextChar();
- bool successful = false;
- if (c == '*')
- successful = readCStyleComment();
- else if (c == '/')
- successful = readCppStyleComment();
- if (!successful)
- return false;
-
- if (collectComments_) {
- CommentPlacement placement = commentBefore;
- if (lastValueEnd_ && !containsNewLine(lastValueEnd_, commentBegin)) {
- if (c != '*' || !containsNewLine(commentBegin, current_))
- placement = commentAfterOnSameLine;
- }
-
- addComment(commentBegin, current_, placement);
- }
- return true;
-}
-
-static JSONCPP_STRING normalizeEOL(Reader::Location begin, Reader::Location end) {
- JSONCPP_STRING normalized;
- normalized.reserve(static_cast<size_t>(end - begin));
- Reader::Location current = begin;
- while (current != end) {
- char c = *current++;
- if (c == '\r') {
- if (current != end && *current == '\n')
- // convert dos EOL
- ++current;
- // convert Mac EOL
- normalized += '\n';
- } else {
- normalized += c;
- }
- }
- return normalized;
-}
-
-void
-Reader::addComment(Location begin, Location end, CommentPlacement placement) {
- assert(collectComments_);
- const JSONCPP_STRING& normalized = normalizeEOL(begin, end);
- if (placement == commentAfterOnSameLine) {
- assert(lastValue_ != 0);
- lastValue_->setComment(normalized, placement);
- } else {
- commentsBefore_ += normalized;
- }
-}
-
-bool Reader::readCStyleComment() {
- while (current_ != end_) {
- Char c = getNextChar();
- if (c == '*' && *current_ == '/')
- break;
- }
- return getNextChar() == '/';
-}
-
-bool Reader::readCppStyleComment() {
- while (current_ != end_) {
- Char c = getNextChar();
- if (c == '\n')
- break;
- if (c == '\r') {
- // Consume DOS EOL. It will be normalized in addComment.
- if (current_ != end_ && *current_ == '\n')
- getNextChar();
- // Break on Moc OS 9 EOL.
- break;
- }
- }
- return true;
-}
-
-void Reader::readNumber() {
- const char *p = current_;
- char c = '0'; // stopgap for already consumed character
- // integral part
- while (c >= '0' && c <= '9')
- c = (current_ = p) < end_ ? *p++ : '\0';
- // fractional part
- if (c == '.') {
- c = (current_ = p) < end_ ? *p++ : '\0';
- while (c >= '0' && c <= '9')
- c = (current_ = p) < end_ ? *p++ : '\0';
- }
- // exponential part
- if (c == 'e' || c == 'E') {
- c = (current_ = p) < end_ ? *p++ : '\0';
- if (c == '+' || c == '-')
- c = (current_ = p) < end_ ? *p++ : '\0';
- while (c >= '0' && c <= '9')
- c = (current_ = p) < end_ ? *p++ : '\0';
- }
-}
-
-bool Reader::readString() {
- Char c = '\0';
- while (current_ != end_) {
- c = getNextChar();
- if (c == '\\')
- getNextChar();
- else if (c == '"')
- break;
- }
- return c == '"';
-}
-
-bool Reader::readObject(Token& tokenStart) {
- Token tokenName;
- JSONCPP_STRING name;
- Value init(objectValue);
- currentValue().swapPayload(init);
- currentValue().setOffsetStart(tokenStart.start_ - begin_);
- while (readToken(tokenName)) {
- bool initialTokenOk = true;
- while (tokenName.type_ == tokenComment && initialTokenOk)
- initialTokenOk = readToken(tokenName);
- if (!initialTokenOk)
- break;
- if (tokenName.type_ == tokenObjectEnd && name.empty()) // empty object
- return true;
- name = "";
- if (tokenName.type_ == tokenString) {
- if (!decodeString(tokenName, name))
- return recoverFromError(tokenObjectEnd);
- } else if (tokenName.type_ == tokenNumber && features_.allowNumericKeys_) {
- Value numberName;
- if (!decodeNumber(tokenName, numberName))
- return recoverFromError(tokenObjectEnd);
- name = JSONCPP_STRING(numberName.asCString());
- } else {
- break;
- }
-
- Token colon;
- if (!readToken(colon) || colon.type_ != tokenMemberSeparator) {
- return addErrorAndRecover(
- "Missing ':' after object member name", colon, tokenObjectEnd);
- }
- Value& value = currentValue()[name];
- nodes_.push(&value);
- bool ok = readValue();
- nodes_.pop();
- if (!ok) // error already set
- return recoverFromError(tokenObjectEnd);
-
- Token comma;
- if (!readToken(comma) ||
- (comma.type_ != tokenObjectEnd && comma.type_ != tokenArraySeparator &&
- comma.type_ != tokenComment)) {
- return addErrorAndRecover(
- "Missing ',' or '}' in object declaration", comma, tokenObjectEnd);
- }
- bool finalizeTokenOk = true;
- while (comma.type_ == tokenComment && finalizeTokenOk)
- finalizeTokenOk = readToken(comma);
- if (comma.type_ == tokenObjectEnd)
- return true;
- }
- return addErrorAndRecover(
- "Missing '}' or object member name", tokenName, tokenObjectEnd);
-}
-
-bool Reader::readArray(Token& tokenStart) {
- Value init(arrayValue);
- currentValue().swapPayload(init);
- currentValue().setOffsetStart(tokenStart.start_ - begin_);
- skipSpaces();
- if (*current_ == ']') // empty array
- {
- Token endArray;
- readToken(endArray);
- return true;
- }
- int index = 0;
- for (;;) {
- Value& value = currentValue()[index++];
- nodes_.push(&value);
- bool ok = readValue();
- nodes_.pop();
- if (!ok) // error already set
- return recoverFromError(tokenArrayEnd);
-
- Token token;
- // Accept Comment after last item in the array.
- ok = readToken(token);
- while (token.type_ == tokenComment && ok) {
- ok = readToken(token);
- }
- bool badTokenType =
- (token.type_ != tokenArraySeparator && token.type_ != tokenArrayEnd);
- if (!ok || badTokenType) {
- return addErrorAndRecover(
- "Missing ',' or ']' in array declaration", token, tokenArrayEnd);
- }
- if (token.type_ == tokenArrayEnd)
- break;
- }
- return true;
-}
-
-bool Reader::decodeNumber(Token& token) {
- Value decoded;
- if (!decodeNumber(token, decoded))
- return false;
- currentValue().swapPayload(decoded);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- return true;
-}
-
-bool Reader::decodeNumber(Token& token, Value& decoded) {
- // Attempts to parse the number as an integer. If the number is
- // larger than the maximum supported value of an integer then
- // we decode the number as a double.
- Location current = token.start_;
- bool isNegative = *current == '-';
- if (isNegative)
- ++current;
- // TODO: Help the compiler do the div and mod at compile time or get rid of them.
- Value::LargestUInt maxIntegerValue =
- isNegative ? Value::LargestUInt(Value::maxLargestInt) + 1
- : Value::maxLargestUInt;
- Value::LargestUInt threshold = maxIntegerValue / 10;
- Value::LargestUInt value = 0;
- while (current < token.end_) {
- Char c = *current++;
- if (c < '0' || c > '9')
- return decodeDouble(token, decoded);
- Value::UInt digit(static_cast<Value::UInt>(c - '0'));
- if (value >= threshold) {
- // We've hit or exceeded the max value divided by 10 (rounded down). If
- // a) we've only just touched the limit, b) this is the last digit, and
- // c) it's small enough to fit in that rounding delta, we're okay.
- // Otherwise treat this number as a double to avoid overflow.
- if (value > threshold || current != token.end_ ||
- digit > maxIntegerValue % 10) {
- return decodeDouble(token, decoded);
- }
- }
- value = value * 10 + digit;
- }
- if (isNegative && value == maxIntegerValue)
- decoded = Value::minLargestInt;
- else if (isNegative)
- decoded = -Value::LargestInt(value);
- else if (value <= Value::LargestUInt(Value::maxInt))
- decoded = Value::LargestInt(value);
- else
- decoded = value;
- return true;
-}
-
-bool Reader::decodeDouble(Token& token) {
- Value decoded;
- if (!decodeDouble(token, decoded))
- return false;
- currentValue().swapPayload(decoded);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- return true;
-}
-
-bool Reader::decodeDouble(Token& token, Value& decoded) {
- double value = 0;
- JSONCPP_STRING buffer(token.start_, token.end_);
- JSONCPP_ISTRINGSTREAM is(buffer);
- if (!(is >> value))
- return addError("'" + JSONCPP_STRING(token.start_, token.end_) +
- "' is not a number.",
- token);
- decoded = value;
- return true;
-}
-
-bool Reader::decodeString(Token& token) {
- JSONCPP_STRING decoded_string;
- if (!decodeString(token, decoded_string))
- return false;
- Value decoded(decoded_string);
- currentValue().swapPayload(decoded);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- return true;
-}
-
-bool Reader::decodeString(Token& token, JSONCPP_STRING& decoded) {
- decoded.reserve(static_cast<size_t>(token.end_ - token.start_ - 2));
- Location current = token.start_ + 1; // skip '"'
- Location end = token.end_ - 1; // do not include '"'
- while (current != end) {
- Char c = *current++;
- if (c == '"')
- break;
- else if (c == '\\') {
- if (current == end)
- return addError("Empty escape sequence in string", token, current);
- Char escape = *current++;
- switch (escape) {
- case '"':
- decoded += '"';
- break;
- case '/':
- decoded += '/';
- break;
- case '\\':
- decoded += '\\';
- break;
- case 'b':
- decoded += '\b';
- break;
- case 'f':
- decoded += '\f';
- break;
- case 'n':
- decoded += '\n';
- break;
- case 'r':
- decoded += '\r';
- break;
- case 't':
- decoded += '\t';
- break;
- case 'u': {
- unsigned int unicode;
- if (!decodeUnicodeCodePoint(token, current, end, unicode))
- return false;
- decoded += codePointToUTF8(unicode);
- } break;
- default:
- return addError("Bad escape sequence in string", token, current);
- }
- } else {
- decoded += c;
- }
- }
- return true;
-}
-
-bool Reader::decodeUnicodeCodePoint(Token& token,
- Location& current,
- Location end,
- unsigned int& unicode) {
-
- if (!decodeUnicodeEscapeSequence(token, current, end, unicode))
- return false;
- if (unicode >= 0xD800 && unicode <= 0xDBFF) {
- // surrogate pairs
- if (end - current < 6)
- return addError(
- "additional six characters expected to parse unicode surrogate pair.",
- token,
- current);
- unsigned int surrogatePair;
- if (*(current++) == '\\' && *(current++) == 'u') {
- if (decodeUnicodeEscapeSequence(token, current, end, surrogatePair)) {
- unicode = 0x10000 + ((unicode & 0x3FF) << 10) + (surrogatePair & 0x3FF);
- } else
- return false;
- } else
- return addError("expecting another \\u token to begin the second half of "
- "a unicode surrogate pair",
- token,
- current);
- }
- return true;
-}
-
-bool Reader::decodeUnicodeEscapeSequence(Token& token,
- Location& current,
- Location end,
- unsigned int& ret_unicode) {
- if (end - current < 4)
- return addError(
- "Bad unicode escape sequence in string: four digits expected.",
- token,
- current);
- int unicode = 0;
- for (int index = 0; index < 4; ++index) {
- Char c = *current++;
- unicode *= 16;
- if (c >= '0' && c <= '9')
- unicode += c - '0';
- else if (c >= 'a' && c <= 'f')
- unicode += c - 'a' + 10;
- else if (c >= 'A' && c <= 'F')
- unicode += c - 'A' + 10;
- else
- return addError(
- "Bad unicode escape sequence in string: hexadecimal digit expected.",
- token,
- current);
- }
- ret_unicode = static_cast<unsigned int>(unicode);
- return true;
-}
-
-bool
-Reader::addError(const JSONCPP_STRING& message, Token& token, Location extra) {
- ErrorInfo info;
- info.token_ = token;
- info.message_ = message;
- info.extra_ = extra;
- errors_.push_back(info);
- return false;
-}
-
-bool Reader::recoverFromError(TokenType skipUntilToken) {
- size_t const errorCount = errors_.size();
- Token skip;
- for (;;) {
- if (!readToken(skip))
- errors_.resize(errorCount); // discard errors caused by recovery
- if (skip.type_ == skipUntilToken || skip.type_ == tokenEndOfStream)
- break;
- }
- errors_.resize(errorCount);
- return false;
-}
-
-bool Reader::addErrorAndRecover(const JSONCPP_STRING& message,
- Token& token,
- TokenType skipUntilToken) {
- addError(message, token);
- return recoverFromError(skipUntilToken);
-}
-
-Value& Reader::currentValue() { return *(nodes_.top()); }
-
-Reader::Char Reader::getNextChar() {
- if (current_ == end_)
- return 0;
- return *current_++;
-}
-
-void Reader::getLocationLineAndColumn(Location location,
- int& line,
- int& column) const {
- Location current = begin_;
- Location lastLineStart = current;
- line = 0;
- while (current < location && current != end_) {
- Char c = *current++;
- if (c == '\r') {
- if (*current == '\n')
- ++current;
- lastLineStart = current;
- ++line;
- } else if (c == '\n') {
- lastLineStart = current;
- ++line;
- }
- }
- // column & line start at 1
- column = int(location - lastLineStart) + 1;
- ++line;
-}
-
-JSONCPP_STRING Reader::getLocationLineAndColumn(Location location) const {
- int line, column;
- getLocationLineAndColumn(location, line, column);
- char buffer[18 + 16 + 16 + 1];
- snprintf(buffer, sizeof(buffer), "Line %d, Column %d", line, column);
- return buffer;
-}
-
-// Deprecated. Preserved for backward compatibility
-JSONCPP_STRING Reader::getFormatedErrorMessages() const {
- return getFormattedErrorMessages();
-}
-
-JSONCPP_STRING Reader::getFormattedErrorMessages() const {
- JSONCPP_STRING formattedMessage;
- for (Errors::const_iterator itError = errors_.begin();
- itError != errors_.end();
- ++itError) {
- const ErrorInfo& error = *itError;
- formattedMessage +=
- "* " + getLocationLineAndColumn(error.token_.start_) + "\n";
- formattedMessage += " " + error.message_ + "\n";
- if (error.extra_)
- formattedMessage +=
- "See " + getLocationLineAndColumn(error.extra_) + " for detail.\n";
- }
- return formattedMessage;
-}
-
-std::vector<Reader::StructuredError> Reader::getStructuredErrors() const {
- std::vector<Reader::StructuredError> allErrors;
- for (Errors::const_iterator itError = errors_.begin();
- itError != errors_.end();
- ++itError) {
- const ErrorInfo& error = *itError;
- Reader::StructuredError structured;
- structured.offset_start = error.token_.start_ - begin_;
- structured.offset_limit = error.token_.end_ - begin_;
- structured.message = error.message_;
- allErrors.push_back(structured);
- }
- return allErrors;
-}
-
-bool Reader::pushError(const Value& value, const JSONCPP_STRING& message) {
- ptrdiff_t const length = end_ - begin_;
- if(value.getOffsetStart() > length
- || value.getOffsetLimit() > length)
- return false;
- Token token;
- token.type_ = tokenError;
- token.start_ = begin_ + value.getOffsetStart();
- token.end_ = end_ + value.getOffsetLimit();
- ErrorInfo info;
- info.token_ = token;
- info.message_ = message;
- info.extra_ = 0;
- errors_.push_back(info);
- return true;
-}
-
-bool Reader::pushError(const Value& value, const JSONCPP_STRING& message, const Value& extra) {
- ptrdiff_t const length = end_ - begin_;
- if(value.getOffsetStart() > length
- || value.getOffsetLimit() > length
- || extra.getOffsetLimit() > length)
- return false;
- Token token;
- token.type_ = tokenError;
- token.start_ = begin_ + value.getOffsetStart();
- token.end_ = begin_ + value.getOffsetLimit();
- ErrorInfo info;
- info.token_ = token;
- info.message_ = message;
- info.extra_ = begin_ + extra.getOffsetStart();
- errors_.push_back(info);
- return true;
-}
-
-bool Reader::good() const {
- return !errors_.size();
-}
-
-// exact copy of Features
-class OurFeatures {
-public:
- static OurFeatures all();
- bool allowComments_;
- bool strictRoot_;
- bool allowDroppedNullPlaceholders_;
- bool allowNumericKeys_;
- bool allowSingleQuotes_;
- bool failIfExtra_;
- bool rejectDupKeys_;
- bool allowSpecialFloats_;
- int stackLimit_;
-}; // OurFeatures
-
-// exact copy of Implementation of class Features
-// ////////////////////////////////
-
-OurFeatures OurFeatures::all() { return OurFeatures(); }
-
-// Implementation of class Reader
-// ////////////////////////////////
-
-// exact copy of Reader, renamed to OurReader
-class OurReader {
-public:
- typedef char Char;
- typedef const Char* Location;
- struct StructuredError {
- ptrdiff_t offset_start;
- ptrdiff_t offset_limit;
- JSONCPP_STRING message;
- };
-
- OurReader(OurFeatures const& features);
- bool parse(const char* beginDoc,
- const char* endDoc,
- Value& root,
- bool collectComments = true);
- JSONCPP_STRING getFormattedErrorMessages() const;
- std::vector<StructuredError> getStructuredErrors() const;
- bool pushError(const Value& value, const JSONCPP_STRING& message);
- bool pushError(const Value& value, const JSONCPP_STRING& message, const Value& extra);
- bool good() const;
-
-private:
- OurReader(OurReader const&); // no impl
- void operator=(OurReader const&); // no impl
-
- enum TokenType {
- tokenEndOfStream = 0,
- tokenObjectBegin,
- tokenObjectEnd,
- tokenArrayBegin,
- tokenArrayEnd,
- tokenString,
- tokenNumber,
- tokenTrue,
- tokenFalse,
- tokenNull,
- tokenNaN,
- tokenPosInf,
- tokenNegInf,
- tokenArraySeparator,
- tokenMemberSeparator,
- tokenComment,
- tokenError
- };
-
- class Token {
- public:
- TokenType type_;
- Location start_;
- Location end_;
- };
-
- class ErrorInfo {
- public:
- Token token_;
- JSONCPP_STRING message_;
- Location extra_;
- };
-
- typedef std::deque<ErrorInfo> Errors;
-
- bool readToken(Token& token);
- void skipSpaces();
- bool match(Location pattern, int patternLength);
- bool readComment();
- bool readCStyleComment();
- bool readCppStyleComment();
- bool readString();
- bool readStringSingleQuote();
- bool readNumber(bool checkInf);
- bool readValue();
- bool readObject(Token& token);
- bool readArray(Token& token);
- bool decodeNumber(Token& token);
- bool decodeNumber(Token& token, Value& decoded);
- bool decodeString(Token& token);
- bool decodeString(Token& token, JSONCPP_STRING& decoded);
- bool decodeDouble(Token& token);
- bool decodeDouble(Token& token, Value& decoded);
- bool decodeUnicodeCodePoint(Token& token,
- Location& current,
- Location end,
- unsigned int& unicode);
- bool decodeUnicodeEscapeSequence(Token& token,
- Location& current,
- Location end,
- unsigned int& unicode);
- bool addError(const JSONCPP_STRING& message, Token& token, Location extra = 0);
- bool recoverFromError(TokenType skipUntilToken);
- bool addErrorAndRecover(const JSONCPP_STRING& message,
- Token& token,
- TokenType skipUntilToken);
- void skipUntilSpace();
- Value& currentValue();
- Char getNextChar();
- void
- getLocationLineAndColumn(Location location, int& line, int& column) const;
- JSONCPP_STRING getLocationLineAndColumn(Location location) const;
- void addComment(Location begin, Location end, CommentPlacement placement);
- void skipCommentTokens(Token& token);
-
- typedef std::stack<Value*> Nodes;
- Nodes nodes_;
- Errors errors_;
- JSONCPP_STRING document_;
- Location begin_;
- Location end_;
- Location current_;
- Location lastValueEnd_;
- Value* lastValue_;
- JSONCPP_STRING commentsBefore_;
- int stackDepth_;
-
- OurFeatures const features_;
- bool collectComments_;
-}; // OurReader
-
-// complete copy of Read impl, for OurReader
-
-OurReader::OurReader(OurFeatures const& features)
- : errors_(), document_(), begin_(), end_(), current_(), lastValueEnd_(),
- lastValue_(), commentsBefore_(),
- stackDepth_(0),
- features_(features), collectComments_() {
-}
-
-bool OurReader::parse(const char* beginDoc,
- const char* endDoc,
- Value& root,
- bool collectComments) {
- if (!features_.allowComments_) {
- collectComments = false;
- }
-
- begin_ = beginDoc;
- end_ = endDoc;
- collectComments_ = collectComments;
- current_ = begin_;
- lastValueEnd_ = 0;
- lastValue_ = 0;
- commentsBefore_ = "";
- errors_.clear();
- while (!nodes_.empty())
- nodes_.pop();
- nodes_.push(&root);
-
- stackDepth_ = 0;
- bool successful = readValue();
- Token token;
- skipCommentTokens(token);
- if (features_.failIfExtra_) {
- if (token.type_ != tokenError && token.type_ != tokenEndOfStream) {
- addError("Extra non-whitespace after JSON value.", token);
- return false;
- }
- }
- if (collectComments_ && !commentsBefore_.empty())
- root.setComment(commentsBefore_, commentAfter);
- if (features_.strictRoot_) {
- if (!root.isArray() && !root.isObject()) {
- // Set error location to start of doc, ideally should be first token found
- // in doc
- token.type_ = tokenError;
- token.start_ = beginDoc;
- token.end_ = endDoc;
- addError(
- "A valid JSON document must be either an array or an object value.",
- token);
- return false;
- }
- }
- return successful;
-}
-
-bool OurReader::readValue() {
- if (stackDepth_ >= features_.stackLimit_) throwRuntimeError("Exceeded stackLimit in readValue().");
- ++stackDepth_;
- Token token;
- skipCommentTokens(token);
- bool successful = true;
-
- if (collectComments_ && !commentsBefore_.empty()) {
- currentValue().setComment(commentsBefore_, commentBefore);
- commentsBefore_ = "";
- }
-
- switch (token.type_) {
- case tokenObjectBegin:
- successful = readObject(token);
- currentValue().setOffsetLimit(current_ - begin_);
- break;
- case tokenArrayBegin:
- successful = readArray(token);
- currentValue().setOffsetLimit(current_ - begin_);
- break;
- case tokenNumber:
- successful = decodeNumber(token);
- break;
- case tokenString:
- successful = decodeString(token);
- break;
- case tokenTrue:
- {
- Value v(true);
- currentValue().swapPayload(v);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenFalse:
- {
- Value v(false);
- currentValue().swapPayload(v);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenNull:
- {
- Value v;
- currentValue().swapPayload(v);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenNaN:
- {
- Value v(std::numeric_limits<double>::quiet_NaN());
- currentValue().swapPayload(v);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenPosInf:
- {
- Value v(std::numeric_limits<double>::infinity());
- currentValue().swapPayload(v);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenNegInf:
- {
- Value v(-std::numeric_limits<double>::infinity());
- currentValue().swapPayload(v);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenArraySeparator:
- case tokenObjectEnd:
- case tokenArrayEnd:
- if (features_.allowDroppedNullPlaceholders_) {
- // "Un-read" the current token and mark the current value as a null
- // token.
- current_--;
- Value v;
- currentValue().swapPayload(v);
- currentValue().setOffsetStart(current_ - begin_ - 1);
- currentValue().setOffsetLimit(current_ - begin_);
- break;
- } // else, fall through ...
- default:
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- return addError("Syntax error: value, object or array expected.", token);
- }
-
- if (collectComments_) {
- lastValueEnd_ = current_;
- lastValue_ = ¤tValue();
- }
-
- --stackDepth_;
- return successful;
-}
-
-void OurReader::skipCommentTokens(Token& token) {
- if (features_.allowComments_) {
- do {
- readToken(token);
- } while (token.type_ == tokenComment);
- } else {
- readToken(token);
- }
-}
-
-bool OurReader::readToken(Token& token) {
- skipSpaces();
- token.start_ = current_;
- Char c = getNextChar();
- bool ok = true;
- switch (c) {
- case '{':
- token.type_ = tokenObjectBegin;
- break;
- case '}':
- token.type_ = tokenObjectEnd;
- break;
- case '[':
- token.type_ = tokenArrayBegin;
- break;
- case ']':
- token.type_ = tokenArrayEnd;
- break;
- case '"':
- token.type_ = tokenString;
- ok = readString();
- break;
- case '\'':
- if (features_.allowSingleQuotes_) {
- token.type_ = tokenString;
- ok = readStringSingleQuote();
- break;
- } // else continue
- case '/':
- token.type_ = tokenComment;
- ok = readComment();
- break;
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- token.type_ = tokenNumber;
- readNumber(false);
- break;
- case '-':
- if (readNumber(true)) {
- token.type_ = tokenNumber;
- } else {
- token.type_ = tokenNegInf;
- ok = features_.allowSpecialFloats_ && match("nfinity", 7);
- }
- break;
- case 't':
- token.type_ = tokenTrue;
- ok = match("rue", 3);
- break;
- case 'f':
- token.type_ = tokenFalse;
- ok = match("alse", 4);
- break;
- case 'n':
- token.type_ = tokenNull;
- ok = match("ull", 3);
- break;
- case 'N':
- if (features_.allowSpecialFloats_) {
- token.type_ = tokenNaN;
- ok = match("aN", 2);
- } else {
- ok = false;
- }
- break;
- case 'I':
- if (features_.allowSpecialFloats_) {
- token.type_ = tokenPosInf;
- ok = match("nfinity", 7);
- } else {
- ok = false;
- }
- break;
- case ',':
- token.type_ = tokenArraySeparator;
- break;
- case ':':
- token.type_ = tokenMemberSeparator;
- break;
- case 0:
- token.type_ = tokenEndOfStream;
- break;
- default:
- ok = false;
- break;
- }
- if (!ok)
- token.type_ = tokenError;
- token.end_ = current_;
- return true;
-}
-
-void OurReader::skipSpaces() {
- while (current_ != end_) {
- Char c = *current_;
- if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
- ++current_;
- else
- break;
- }
-}
-
-bool OurReader::match(Location pattern, int patternLength) {
- if (end_ - current_ < patternLength)
- return false;
- int index = patternLength;
- while (index--)
- if (current_[index] != pattern[index])
- return false;
- current_ += patternLength;
- return true;
-}
-
-bool OurReader::readComment() {
- Location commentBegin = current_ - 1;
- Char c = getNextChar();
- bool successful = false;
- if (c == '*')
- successful = readCStyleComment();
- else if (c == '/')
- successful = readCppStyleComment();
- if (!successful)
- return false;
-
- if (collectComments_) {
- CommentPlacement placement = commentBefore;
- if (lastValueEnd_ && !containsNewLine(lastValueEnd_, commentBegin)) {
- if (c != '*' || !containsNewLine(commentBegin, current_))
- placement = commentAfterOnSameLine;
- }
-
- addComment(commentBegin, current_, placement);
- }
- return true;
-}
-
-void
-OurReader::addComment(Location begin, Location end, CommentPlacement placement) {
- assert(collectComments_);
- const JSONCPP_STRING& normalized = normalizeEOL(begin, end);
- if (placement == commentAfterOnSameLine) {
- assert(lastValue_ != 0);
- lastValue_->setComment(normalized, placement);
- } else {
- commentsBefore_ += normalized;
- }
-}
-
-bool OurReader::readCStyleComment() {
- while (current_ != end_) {
- Char c = getNextChar();
- if (c == '*' && *current_ == '/')
- break;
- }
- return getNextChar() == '/';
-}
-
-bool OurReader::readCppStyleComment() {
- while (current_ != end_) {
- Char c = getNextChar();
- if (c == '\n')
- break;
- if (c == '\r') {
- // Consume DOS EOL. It will be normalized in addComment.
- if (current_ != end_ && *current_ == '\n')
- getNextChar();
- // Break on Moc OS 9 EOL.
- break;
- }
- }
- return true;
-}
-
-bool OurReader::readNumber(bool checkInf) {
- const char *p = current_;
- if (checkInf && p != end_ && *p == 'I') {
- current_ = ++p;
- return false;
- }
- char c = '0'; // stopgap for already consumed character
- // integral part
- while (c >= '0' && c <= '9')
- c = (current_ = p) < end_ ? *p++ : '\0';
- // fractional part
- if (c == '.') {
- c = (current_ = p) < end_ ? *p++ : '\0';
- while (c >= '0' && c <= '9')
- c = (current_ = p) < end_ ? *p++ : '\0';
- }
- // exponential part
- if (c == 'e' || c == 'E') {
- c = (current_ = p) < end_ ? *p++ : '\0';
- if (c == '+' || c == '-')
- c = (current_ = p) < end_ ? *p++ : '\0';
- while (c >= '0' && c <= '9')
- c = (current_ = p) < end_ ? *p++ : '\0';
- }
- return true;
-}
-bool OurReader::readString() {
- Char c = 0;
- while (current_ != end_) {
- c = getNextChar();
- if (c == '\\')
- getNextChar();
- else if (c == '"')
- break;
- }
- return c == '"';
-}
-
-
-bool OurReader::readStringSingleQuote() {
- Char c = 0;
- while (current_ != end_) {
- c = getNextChar();
- if (c == '\\')
- getNextChar();
- else if (c == '\'')
- break;
- }
- return c == '\'';
-}
-
-bool OurReader::readObject(Token& tokenStart) {
- Token tokenName;
- JSONCPP_STRING name;
- Value init(objectValue);
- currentValue().swapPayload(init);
- currentValue().setOffsetStart(tokenStart.start_ - begin_);
- while (readToken(tokenName)) {
- bool initialTokenOk = true;
- while (tokenName.type_ == tokenComment && initialTokenOk)
- initialTokenOk = readToken(tokenName);
- if (!initialTokenOk)
- break;
- if (tokenName.type_ == tokenObjectEnd && name.empty()) // empty object
- return true;
- name = "";
- if (tokenName.type_ == tokenString) {
- if (!decodeString(tokenName, name))
- return recoverFromError(tokenObjectEnd);
- } else if (tokenName.type_ == tokenNumber && features_.allowNumericKeys_) {
- Value numberName;
- if (!decodeNumber(tokenName, numberName))
- return recoverFromError(tokenObjectEnd);
- name = numberName.asString();
- } else {
- break;
- }
-
- Token colon;
- if (!readToken(colon) || colon.type_ != tokenMemberSeparator) {
- return addErrorAndRecover(
- "Missing ':' after object member name", colon, tokenObjectEnd);
- }
- if (name.length() >= (1U<<30)) throwRuntimeError("keylength >= 2^30");
- if (features_.rejectDupKeys_ && currentValue().isMember(name)) {
- JSONCPP_STRING msg = "Duplicate key: '" + name + "'";
- return addErrorAndRecover(
- msg, tokenName, tokenObjectEnd);
- }
- Value& value = currentValue()[name];
- nodes_.push(&value);
- bool ok = readValue();
- nodes_.pop();
- if (!ok) // error already set
- return recoverFromError(tokenObjectEnd);
-
- Token comma;
- if (!readToken(comma) ||
- (comma.type_ != tokenObjectEnd && comma.type_ != tokenArraySeparator &&
- comma.type_ != tokenComment)) {
- return addErrorAndRecover(
- "Missing ',' or '}' in object declaration", comma, tokenObjectEnd);
- }
- bool finalizeTokenOk = true;
- while (comma.type_ == tokenComment && finalizeTokenOk)
- finalizeTokenOk = readToken(comma);
- if (comma.type_ == tokenObjectEnd)
- return true;
- }
- return addErrorAndRecover(
- "Missing '}' or object member name", tokenName, tokenObjectEnd);
-}
-
-bool OurReader::readArray(Token& tokenStart) {
- Value init(arrayValue);
- currentValue().swapPayload(init);
- currentValue().setOffsetStart(tokenStart.start_ - begin_);
- skipSpaces();
- if (*current_ == ']') // empty array
- {
- Token endArray;
- readToken(endArray);
- return true;
- }
- int index = 0;
- for (;;) {
- Value& value = currentValue()[index++];
- nodes_.push(&value);
- bool ok = readValue();
- nodes_.pop();
- if (!ok) // error already set
- return recoverFromError(tokenArrayEnd);
-
- Token token;
- // Accept Comment after last item in the array.
- ok = readToken(token);
- while (token.type_ == tokenComment && ok) {
- ok = readToken(token);
- }
- bool badTokenType =
- (token.type_ != tokenArraySeparator && token.type_ != tokenArrayEnd);
- if (!ok || badTokenType) {
- return addErrorAndRecover(
- "Missing ',' or ']' in array declaration", token, tokenArrayEnd);
- }
- if (token.type_ == tokenArrayEnd)
- break;
- }
- return true;
-}
-
-bool OurReader::decodeNumber(Token& token) {
- Value decoded;
- if (!decodeNumber(token, decoded))
- return false;
- currentValue().swapPayload(decoded);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- return true;
-}
-
-bool OurReader::decodeNumber(Token& token, Value& decoded) {
- // Attempts to parse the number as an integer. If the number is
- // larger than the maximum supported value of an integer then
- // we decode the number as a double.
- Location current = token.start_;
- bool isNegative = *current == '-';
- if (isNegative)
- ++current;
- // TODO: Help the compiler do the div and mod at compile time or get rid of them.
- Value::LargestUInt maxIntegerValue =
- isNegative ? Value::LargestUInt(-Value::minLargestInt)
- : Value::maxLargestUInt;
- Value::LargestUInt threshold = maxIntegerValue / 10;
- Value::LargestUInt value = 0;
- while (current < token.end_) {
- Char c = *current++;
- if (c < '0' || c > '9')
- return decodeDouble(token, decoded);
- Value::UInt digit(static_cast<Value::UInt>(c - '0'));
- if (value >= threshold) {
- // We've hit or exceeded the max value divided by 10 (rounded down). If
- // a) we've only just touched the limit, b) this is the last digit, and
- // c) it's small enough to fit in that rounding delta, we're okay.
- // Otherwise treat this number as a double to avoid overflow.
- if (value > threshold || current != token.end_ ||
- digit > maxIntegerValue % 10) {
- return decodeDouble(token, decoded);
- }
- }
- value = value * 10 + digit;
- }
- if (isNegative)
- decoded = -Value::LargestInt(value);
- else if (value <= Value::LargestUInt(Value::maxInt))
- decoded = Value::LargestInt(value);
- else
- decoded = value;
- return true;
-}
-
-bool OurReader::decodeDouble(Token& token) {
- Value decoded;
- if (!decodeDouble(token, decoded))
- return false;
- currentValue().swapPayload(decoded);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- return true;
-}
-
-bool OurReader::decodeDouble(Token& token, Value& decoded) {
- double value = 0;
- const int bufferSize = 32;
- int count;
- ptrdiff_t const length = token.end_ - token.start_;
-
- // Sanity check to avoid buffer overflow exploits.
- if (length < 0) {
- return addError("Unable to parse token length", token);
- }
- size_t const ulength = static_cast<size_t>(length);
-
- // Avoid using a string constant for the format control string given to
- // sscanf, as this can cause hard to debug crashes on OS X. See here for more
- // info:
- //
- // http://developer.apple.com/library/mac/#DOCUMENTATION/DeveloperTools/gcc-4.0.1/gcc/Incompatibilities.html
- char format[] = "%lf";
-
- if (length <= bufferSize) {
- Char buffer[bufferSize + 1];
- memcpy(buffer, token.start_, ulength);
- buffer[length] = 0;
- count = sscanf(buffer, format, &value);
- } else {
- JSONCPP_STRING buffer(token.start_, token.end_);
- count = sscanf(buffer.c_str(), format, &value);
- }
-
- if (count != 1)
- return addError("'" + JSONCPP_STRING(token.start_, token.end_) +
- "' is not a number.",
- token);
- decoded = value;
- return true;
-}
-
-bool OurReader::decodeString(Token& token) {
- JSONCPP_STRING decoded_string;
- if (!decodeString(token, decoded_string))
- return false;
- Value decoded(decoded_string);
- currentValue().swapPayload(decoded);
- currentValue().setOffsetStart(token.start_ - begin_);
- currentValue().setOffsetLimit(token.end_ - begin_);
- return true;
-}
-
-bool OurReader::decodeString(Token& token, JSONCPP_STRING& decoded) {
- decoded.reserve(static_cast<size_t>(token.end_ - token.start_ - 2));
- Location current = token.start_ + 1; // skip '"'
- Location end = token.end_ - 1; // do not include '"'
- while (current != end) {
- Char c = *current++;
- if (c == '"')
- break;
- else if (c == '\\') {
- if (current == end)
- return addError("Empty escape sequence in string", token, current);
- Char escape = *current++;
- switch (escape) {
- case '"':
- decoded += '"';
- break;
- case '/':
- decoded += '/';
- break;
- case '\\':
- decoded += '\\';
- break;
- case 'b':
- decoded += '\b';
- break;
- case 'f':
- decoded += '\f';
- break;
- case 'n':
- decoded += '\n';
- break;
- case 'r':
- decoded += '\r';
- break;
- case 't':
- decoded += '\t';
- break;
- case 'u': {
- unsigned int unicode;
- if (!decodeUnicodeCodePoint(token, current, end, unicode))
- return false;
- decoded += codePointToUTF8(unicode);
- } break;
- default:
- return addError("Bad escape sequence in string", token, current);
- }
- } else {
- decoded += c;
- }
- }
- return true;
-}
-
-bool OurReader::decodeUnicodeCodePoint(Token& token,
- Location& current,
- Location end,
- unsigned int& unicode) {
-
- if (!decodeUnicodeEscapeSequence(token, current, end, unicode))
- return false;
- if (unicode >= 0xD800 && unicode <= 0xDBFF) {
- // surrogate pairs
- if (end - current < 6)
- return addError(
- "additional six characters expected to parse unicode surrogate pair.",
- token,
- current);
- unsigned int surrogatePair;
- if (*(current++) == '\\' && *(current++) == 'u') {
- if (decodeUnicodeEscapeSequence(token, current, end, surrogatePair)) {
- unicode = 0x10000 + ((unicode & 0x3FF) << 10) + (surrogatePair & 0x3FF);
- } else
- return false;
- } else
- return addError("expecting another \\u token to begin the second half of "
- "a unicode surrogate pair",
- token,
- current);
- }
- return true;
-}
-
-bool OurReader::decodeUnicodeEscapeSequence(Token& token,
- Location& current,
- Location end,
- unsigned int& ret_unicode) {
- if (end - current < 4)
- return addError(
- "Bad unicode escape sequence in string: four digits expected.",
- token,
- current);
- int unicode = 0;
- for (int index = 0; index < 4; ++index) {
- Char c = *current++;
- unicode *= 16;
- if (c >= '0' && c <= '9')
- unicode += c - '0';
- else if (c >= 'a' && c <= 'f')
- unicode += c - 'a' + 10;
- else if (c >= 'A' && c <= 'F')
- unicode += c - 'A' + 10;
- else
- return addError(
- "Bad unicode escape sequence in string: hexadecimal digit expected.",
- token,
- current);
- }
- ret_unicode = static_cast<unsigned int>(unicode);
- return true;
-}
-
-bool
-OurReader::addError(const JSONCPP_STRING& message, Token& token, Location extra) {
- ErrorInfo info;
- info.token_ = token;
- info.message_ = message;
- info.extra_ = extra;
- errors_.push_back(info);
- return false;
-}
-
-bool OurReader::recoverFromError(TokenType skipUntilToken) {
- size_t errorCount = errors_.size();
- Token skip;
- for (;;) {
- if (!readToken(skip))
- errors_.resize(errorCount); // discard errors caused by recovery
- if (skip.type_ == skipUntilToken || skip.type_ == tokenEndOfStream)
- break;
- }
- errors_.resize(errorCount);
- return false;
-}
-
-bool OurReader::addErrorAndRecover(const JSONCPP_STRING& message,
- Token& token,
- TokenType skipUntilToken) {
- addError(message, token);
- return recoverFromError(skipUntilToken);
-}
-
-Value& OurReader::currentValue() { return *(nodes_.top()); }
-
-OurReader::Char OurReader::getNextChar() {
- if (current_ == end_)
- return 0;
- return *current_++;
-}
-
-void OurReader::getLocationLineAndColumn(Location location,
- int& line,
- int& column) const {
- Location current = begin_;
- Location lastLineStart = current;
- line = 0;
- while (current < location && current != end_) {
- Char c = *current++;
- if (c == '\r') {
- if (*current == '\n')
- ++current;
- lastLineStart = current;
- ++line;
- } else if (c == '\n') {
- lastLineStart = current;
- ++line;
- }
- }
- // column & line start at 1
- column = int(location - lastLineStart) + 1;
- ++line;
-}
-
-JSONCPP_STRING OurReader::getLocationLineAndColumn(Location location) const {
- int line, column;
- getLocationLineAndColumn(location, line, column);
- char buffer[18 + 16 + 16 + 1];
- snprintf(buffer, sizeof(buffer), "Line %d, Column %d", line, column);
- return buffer;
-}
-
-JSONCPP_STRING OurReader::getFormattedErrorMessages() const {
- JSONCPP_STRING formattedMessage;
- for (Errors::const_iterator itError = errors_.begin();
- itError != errors_.end();
- ++itError) {
- const ErrorInfo& error = *itError;
- formattedMessage +=
- "* " + getLocationLineAndColumn(error.token_.start_) + "\n";
- formattedMessage += " " + error.message_ + "\n";
- if (error.extra_)
- formattedMessage +=
- "See " + getLocationLineAndColumn(error.extra_) + " for detail.\n";
- }
- return formattedMessage;
-}
-
-std::vector<OurReader::StructuredError> OurReader::getStructuredErrors() const {
- std::vector<OurReader::StructuredError> allErrors;
- for (Errors::const_iterator itError = errors_.begin();
- itError != errors_.end();
- ++itError) {
- const ErrorInfo& error = *itError;
- OurReader::StructuredError structured;
- structured.offset_start = error.token_.start_ - begin_;
- structured.offset_limit = error.token_.end_ - begin_;
- structured.message = error.message_;
- allErrors.push_back(structured);
- }
- return allErrors;
-}
-
-bool OurReader::pushError(const Value& value, const JSONCPP_STRING& message) {
- ptrdiff_t length = end_ - begin_;
- if(value.getOffsetStart() > length
- || value.getOffsetLimit() > length)
- return false;
- Token token;
- token.type_ = tokenError;
- token.start_ = begin_ + value.getOffsetStart();
- token.end_ = end_ + value.getOffsetLimit();
- ErrorInfo info;
- info.token_ = token;
- info.message_ = message;
- info.extra_ = 0;
- errors_.push_back(info);
- return true;
-}
-
-bool OurReader::pushError(const Value& value, const JSONCPP_STRING& message, const Value& extra) {
- ptrdiff_t length = end_ - begin_;
- if(value.getOffsetStart() > length
- || value.getOffsetLimit() > length
- || extra.getOffsetLimit() > length)
- return false;
- Token token;
- token.type_ = tokenError;
- token.start_ = begin_ + value.getOffsetStart();
- token.end_ = begin_ + value.getOffsetLimit();
- ErrorInfo info;
- info.token_ = token;
- info.message_ = message;
- info.extra_ = begin_ + extra.getOffsetStart();
- errors_.push_back(info);
- return true;
-}
-
-bool OurReader::good() const {
- return !errors_.size();
-}
-
-
-class OurCharReader : public CharReader {
- bool const collectComments_;
- OurReader reader_;
-public:
- OurCharReader(
- bool collectComments,
- OurFeatures const& features)
- : collectComments_(collectComments)
- , reader_(features)
- {}
- bool parse(
- char const* beginDoc, char const* endDoc,
- Value* root, JSONCPP_STRING* errs) JSONCPP_OVERRIDE {
- bool ok = reader_.parse(beginDoc, endDoc, *root, collectComments_);
- if (errs) {
- *errs = reader_.getFormattedErrorMessages();
- }
- return ok;
- }
-};
-
-CharReaderBuilder::CharReaderBuilder()
-{
- setDefaults(&settings_);
-}
-CharReaderBuilder::~CharReaderBuilder()
-{}
-CharReader* CharReaderBuilder::newCharReader() const
-{
- bool collectComments = settings_["collectComments"].asBool();
- OurFeatures features = OurFeatures::all();
- features.allowComments_ = settings_["allowComments"].asBool();
- features.strictRoot_ = settings_["strictRoot"].asBool();
- features.allowDroppedNullPlaceholders_ = settings_["allowDroppedNullPlaceholders"].asBool();
- features.allowNumericKeys_ = settings_["allowNumericKeys"].asBool();
- features.allowSingleQuotes_ = settings_["allowSingleQuotes"].asBool();
- features.stackLimit_ = settings_["stackLimit"].asInt();
- features.failIfExtra_ = settings_["failIfExtra"].asBool();
- features.rejectDupKeys_ = settings_["rejectDupKeys"].asBool();
- features.allowSpecialFloats_ = settings_["allowSpecialFloats"].asBool();
- return new OurCharReader(collectComments, features);
-}
-static void getValidReaderKeys(std::set<JSONCPP_STRING>* valid_keys)
-{
- valid_keys->clear();
- valid_keys->insert("collectComments");
- valid_keys->insert("allowComments");
- valid_keys->insert("strictRoot");
- valid_keys->insert("allowDroppedNullPlaceholders");
- valid_keys->insert("allowNumericKeys");
- valid_keys->insert("allowSingleQuotes");
- valid_keys->insert("stackLimit");
- valid_keys->insert("failIfExtra");
- valid_keys->insert("rejectDupKeys");
- valid_keys->insert("allowSpecialFloats");
-}
-bool CharReaderBuilder::validate(Json::Value* invalid) const
-{
- Json::Value my_invalid;
- if (!invalid) invalid = &my_invalid; // so we do not need to test for NULL
- Json::Value& inv = *invalid;
- std::set<JSONCPP_STRING> valid_keys;
- getValidReaderKeys(&valid_keys);
- Value::Members keys = settings_.getMemberNames();
- size_t n = keys.size();
- for (size_t i = 0; i < n; ++i) {
- JSONCPP_STRING const& key = keys[i];
- if (valid_keys.find(key) == valid_keys.end()) {
- inv[key] = settings_[key];
- }
- }
- return 0u == inv.size();
-}
-Value& CharReaderBuilder::operator[](JSONCPP_STRING key)
-{
- return settings_[key];
-}
-// static
-void CharReaderBuilder::strictMode(Json::Value* settings)
-{
-//! [CharReaderBuilderStrictMode]
- (*settings)["allowComments"] = false;
- (*settings)["strictRoot"] = true;
- (*settings)["allowDroppedNullPlaceholders"] = false;
- (*settings)["allowNumericKeys"] = false;
- (*settings)["allowSingleQuotes"] = false;
- (*settings)["stackLimit"] = 1000;
- (*settings)["failIfExtra"] = true;
- (*settings)["rejectDupKeys"] = true;
- (*settings)["allowSpecialFloats"] = false;
-//! [CharReaderBuilderStrictMode]
-}
-// static
-void CharReaderBuilder::setDefaults(Json::Value* settings)
-{
-//! [CharReaderBuilderDefaults]
- (*settings)["collectComments"] = true;
- (*settings)["allowComments"] = true;
- (*settings)["strictRoot"] = false;
- (*settings)["allowDroppedNullPlaceholders"] = false;
- (*settings)["allowNumericKeys"] = false;
- (*settings)["allowSingleQuotes"] = false;
- (*settings)["stackLimit"] = 1000;
- (*settings)["failIfExtra"] = false;
- (*settings)["rejectDupKeys"] = false;
- (*settings)["allowSpecialFloats"] = false;
-//! [CharReaderBuilderDefaults]
-}
-
-//////////////////////////////////
-// global functions
-
-bool parseFromStream(
- CharReader::Factory const& fact, JSONCPP_ISTREAM& sin,
- Value* root, JSONCPP_STRING* errs)
-{
- JSONCPP_OSTRINGSTREAM ssin;
- ssin << sin.rdbuf();
- JSONCPP_STRING doc = ssin.str();
- char const* begin = doc.data();
- char const* end = begin + doc.size();
- // Note that we do not actually need a null-terminator.
- CharReaderPtr const reader(fact.newCharReader());
- return reader->parse(begin, end, root, errs);
-}
-
-JSONCPP_ISTREAM& operator>>(JSONCPP_ISTREAM& sin, Value& root) {
- CharReaderBuilder b;
- JSONCPP_STRING errs;
- bool ok = parseFromStream(b, sin, &root, &errs);
- if (!ok) {
- fprintf(stderr,
- "Error from reader: %s",
- errs.c_str());
-
- throwRuntimeError(errs);
- }
- return sin;
-}
-
-} // namespace Json
-
-// //////////////////////////////////////////////////////////////////////
-// End of content of file: src/lib_json/json_reader.cpp
-// //////////////////////////////////////////////////////////////////////
-
-
-
-
-
-
-// //////////////////////////////////////////////////////////////////////
-// Beginning of content of file: src/lib_json/json_valueiterator.inl
-// //////////////////////////////////////////////////////////////////////
-
-// Copyright 2007-2010 Baptiste Lepilleur
-// Distributed under MIT license, or public domain if desired and
-// recognized in your jurisdiction.
-// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
-
-// included by json_value.cpp
-
-namespace Json {
-
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// class ValueIteratorBase
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-
-ValueIteratorBase::ValueIteratorBase()
- : current_(), isNull_(true) {
-}
-
-ValueIteratorBase::ValueIteratorBase(
- const Value::ObjectValues::iterator& current)
- : current_(current), isNull_(false) {}
-
-Value& ValueIteratorBase::deref() const {
- return current_->second;
-}
-
-void ValueIteratorBase::increment() {
- ++current_;
-}
-
-void ValueIteratorBase::decrement() {
- --current_;
-}
-
-ValueIteratorBase::difference_type
-ValueIteratorBase::computeDistance(const SelfType& other) const {
-#ifdef JSON_USE_CPPTL_SMALLMAP
- return other.current_ - current_;
-#else
- // Iterator for null value are initialized using the default
- // constructor, which initialize current_ to the default
- // std::map::iterator. As begin() and end() are two instance
- // of the default std::map::iterator, they can not be compared.
- // To allow this, we handle this comparison specifically.
- if (isNull_ && other.isNull_) {
- return 0;
- }
-
- // Usage of std::distance is not portable (does not compile with Sun Studio 12
- // RogueWave STL,
- // which is the one used by default).
- // Using a portable hand-made version for non random iterator instead:
- // return difference_type( std::distance( current_, other.current_ ) );
- difference_type myDistance = 0;
- for (Value::ObjectValues::iterator it = current_; it != other.current_;
- ++it) {
- ++myDistance;
- }
- return myDistance;
-#endif
-}
-
-bool ValueIteratorBase::isEqual(const SelfType& other) const {
- if (isNull_) {
- return other.isNull_;
- }
- return current_ == other.current_;
-}
-
-void ValueIteratorBase::copy(const SelfType& other) {
- current_ = other.current_;
- isNull_ = other.isNull_;
-}
-
-Value ValueIteratorBase::key() const {
- const Value::CZString czstring = (*current_).first;
- if (czstring.data()) {
- if (czstring.isStaticString())
- return Value(StaticString(czstring.data()));
- return Value(czstring.data(), czstring.data() + czstring.length());
- }
- return Value(czstring.index());
-}
-
-UInt ValueIteratorBase::index() const {
- const Value::CZString czstring = (*current_).first;
- if (!czstring.data())
- return czstring.index();
- return Value::UInt(-1);
-}
-
-JSONCPP_STRING ValueIteratorBase::name() const {
- char const* keey;
- char const* end;
- keey = memberName(&end);
- if (!keey) return JSONCPP_STRING();
- return JSONCPP_STRING(keey, end);
-}
-
-char const* ValueIteratorBase::memberName() const {
- const char* cname = (*current_).first.data();
- return cname ? cname : "";
-}
-
-char const* ValueIteratorBase::memberName(char const** end) const {
- const char* cname = (*current_).first.data();
- if (!cname) {
- *end = NULL;
- return NULL;
- }
- *end = cname + (*current_).first.length();
- return cname;
-}
-
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// class ValueConstIterator
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-
-ValueConstIterator::ValueConstIterator() {}
-
-ValueConstIterator::ValueConstIterator(
- const Value::ObjectValues::iterator& current)
- : ValueIteratorBase(current) {}
-
-ValueConstIterator::ValueConstIterator(ValueIterator const& other)
- : ValueIteratorBase(other) {}
-
-ValueConstIterator& ValueConstIterator::
-operator=(const ValueIteratorBase& other) {
- copy(other);
- return *this;
-}
-
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// class ValueIterator
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-
-ValueIterator::ValueIterator() {}
-
-ValueIterator::ValueIterator(const Value::ObjectValues::iterator& current)
- : ValueIteratorBase(current) {}
-
-ValueIterator::ValueIterator(const ValueConstIterator& other)
- : ValueIteratorBase(other) {
- throwRuntimeError("ConstIterator to Iterator should never be allowed.");
-}
-
-ValueIterator::ValueIterator(const ValueIterator& other)
- : ValueIteratorBase(other) {}
-
-ValueIterator& ValueIterator::operator=(const SelfType& other) {
- copy(other);
- return *this;
-}
-
-} // namespace Json
-
-// //////////////////////////////////////////////////////////////////////
-// End of content of file: src/lib_json/json_valueiterator.inl
-// //////////////////////////////////////////////////////////////////////
-
-
-
-
-
-
-// //////////////////////////////////////////////////////////////////////
-// Beginning of content of file: src/lib_json/json_value.cpp
-// //////////////////////////////////////////////////////////////////////
-
-// Copyright 2011 Baptiste Lepilleur
-// Distributed under MIT license, or public domain if desired and
-// recognized in your jurisdiction.
-// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
-
-#if !defined(JSON_IS_AMALGAMATION)
-#include <json/assertions.h>
-#include <json/value.h>
-#include <json/writer.h>
-#endif // if !defined(JSON_IS_AMALGAMATION)
-#include <math.h>
-#include <sstream>
-#include <utility>
-#include <cstring>
-#include <cassert>
-#ifdef JSON_USE_CPPTL
-#include <cpptl/conststring.h>
-#endif
-#include <cstddef> // size_t
-#include <algorithm> // min()
-
-#define JSON_ASSERT_UNREACHABLE assert(false)
-
-namespace Json {
-
-// This is a walkaround to avoid the static initialization of Value::null.
-// kNull must be word-aligned to avoid crashing on ARM. We use an alignment of
-// 8 (instead of 4) as a bit of future-proofing.
-#if defined(__ARMEL__)
-#define ALIGNAS(byte_alignment) __attribute__((aligned(byte_alignment)))
-#else
-#define ALIGNAS(byte_alignment)
-#endif
-static const unsigned char ALIGNAS(8) kNull[sizeof(Value)] = { 0 };
-const unsigned char& kNullRef = kNull[0];
-const Value& Value::null = reinterpret_cast<const Value&>(kNullRef);
-const Value& Value::nullRef = null;
-
-const Int Value::minInt = Int(~(UInt(-1) / 2));
-const Int Value::maxInt = Int(UInt(-1) / 2);
-const UInt Value::maxUInt = UInt(-1);
-#if defined(JSON_HAS_INT64)
-const Int64 Value::minInt64 = Int64(~(UInt64(-1) / 2));
-const Int64 Value::maxInt64 = Int64(UInt64(-1) / 2);
-const UInt64 Value::maxUInt64 = UInt64(-1);
-// The constant is hard-coded because some compiler have trouble
-// converting Value::maxUInt64 to a double correctly (AIX/xlC).
-// Assumes that UInt64 is a 64 bits integer.
-static const double maxUInt64AsDouble = 18446744073709551615.0;
-#endif // defined(JSON_HAS_INT64)
-const LargestInt Value::minLargestInt = LargestInt(~(LargestUInt(-1) / 2));
-const LargestInt Value::maxLargestInt = LargestInt(LargestUInt(-1) / 2);
-const LargestUInt Value::maxLargestUInt = LargestUInt(-1);
-
-#if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
-template <typename T, typename U>
-static inline bool InRange(double d, T min, U max) {
- // The casts can lose precision, but we are looking only for
- // an approximate range. Might fail on edge cases though. ~cdunn
- //return d >= static_cast<double>(min) && d <= static_cast<double>(max);
- return d >= min && d <= max;
-}
-#else // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
-static inline double integerToDouble(Json::UInt64 value) {
- return static_cast<double>(Int64(value / 2)) * 2.0 + static_cast<double>(Int64(value & 1));
-}
-
-template <typename T> static inline double integerToDouble(T value) {
- return static_cast<double>(value);
-}
-
-template <typename T, typename U>
-static inline bool InRange(double d, T min, U max) {
- return d >= integerToDouble(min) && d <= integerToDouble(max);
-}
-#endif // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
-
-/** Duplicates the specified string value.
- * @param value Pointer to the string to duplicate. Must be zero-terminated if
- * length is "unknown".
- * @param length Length of the value. if equals to unknown, then it will be
- * computed using strlen(value).
- * @return Pointer on the duplicate instance of string.
- */
-static inline char* duplicateStringValue(const char* value,
- size_t length)
-{
- // Avoid an integer overflow in the call to malloc below by limiting length
- // to a sane value.
- if (length >= static_cast<size_t>(Value::maxInt))
- length = Value::maxInt - 1;
-
- char* newString = static_cast<char*>(malloc(length + 1));
- if (newString == NULL) {
- throwRuntimeError(
- "in Json::Value::duplicateStringValue(): "
- "Failed to allocate string value buffer");
- }
- memcpy(newString, value, length);
- newString[length] = 0;
- return newString;
-}
-
-/* Record the length as a prefix.
- */
-static inline char* duplicateAndPrefixStringValue(
- const char* value,
- unsigned int length)
-{
- // Avoid an integer overflow in the call to malloc below by limiting length
- // to a sane value.
- JSON_ASSERT_MESSAGE(length <= static_cast<unsigned>(Value::maxInt) - sizeof(unsigned) - 1U,
- "in Json::Value::duplicateAndPrefixStringValue(): "
- "length too big for prefixing");
- unsigned actualLength = length + static_cast<unsigned>(sizeof(unsigned)) + 1U;
- char* newString = static_cast<char*>(malloc(actualLength));
- if (newString == 0) {
- throwRuntimeError(
- "in Json::Value::duplicateAndPrefixStringValue(): "
- "Failed to allocate string value buffer");
- }
- *reinterpret_cast<unsigned*>(newString) = length;
- memcpy(newString + sizeof(unsigned), value, length);
- newString[actualLength - 1U] = 0; // to avoid buffer over-run accidents by users later
- return newString;
-}
-inline static void decodePrefixedString(
- bool isPrefixed, char const* prefixed,
- unsigned* length, char const** value)
-{
- if (!isPrefixed) {
- *length = static_cast<unsigned>(strlen(prefixed));
- *value = prefixed;
- } else {
- *length = *reinterpret_cast<unsigned const*>(prefixed);
- *value = prefixed + sizeof(unsigned);
- }
-}
-/** Free the string duplicated by duplicateStringValue()/duplicateAndPrefixStringValue().
- */
-#if JSONCPP_USING_SECURE_MEMORY
-static inline void releasePrefixedStringValue(char* value) {
- unsigned length = 0;
- char const* valueDecoded;
- decodePrefixedString(true, value, &length, &valueDecoded);
- size_t const size = sizeof(unsigned) + length + 1U;
- memset(value, 0, size);
- free(value);
-}
-static inline void releaseStringValue(char* value, unsigned length) {
- // length==0 => we allocated the strings memory
- size_t size = (length==0) ? strlen(value) : length;
- memset(value, 0, size);
- free(value);
-}
-#else // !JSONCPP_USING_SECURE_MEMORY
-static inline void releasePrefixedStringValue(char* value) {
- free(value);
-}
-static inline void releaseStringValue(char* value, unsigned) {
- free(value);
-}
-#endif // JSONCPP_USING_SECURE_MEMORY
-
-} // namespace Json
-
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// ValueInternals...
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-#if !defined(JSON_IS_AMALGAMATION)
-
-#include "json_valueiterator.inl"
-#endif // if !defined(JSON_IS_AMALGAMATION)
-
-namespace Json {
-
-Exception::Exception(JSONCPP_STRING const& msg)
- : msg_(msg)
-{}
-Exception::~Exception() throw()
-{}
-char const* Exception::what() const throw()
-{
- return msg_.c_str();
-}
-RuntimeError::RuntimeError(JSONCPP_STRING const& msg)
- : Exception(msg)
-{}
-LogicError::LogicError(JSONCPP_STRING const& msg)
- : Exception(msg)
-{}
-JSONCPP_NORETURN void throwRuntimeError(JSONCPP_STRING const& msg)
-{
- throw RuntimeError(msg);
-}
-JSONCPP_NORETURN void throwLogicError(JSONCPP_STRING const& msg)
-{
- throw LogicError(msg);
-}
-
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// class Value::CommentInfo
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-
-Value::CommentInfo::CommentInfo() : comment_(0)
-{}
-
-Value::CommentInfo::~CommentInfo() {
- if (comment_)
- releaseStringValue(comment_, 0u);
-}
-
-void Value::CommentInfo::setComment(const char* text, size_t len) {
- if (comment_) {
- releaseStringValue(comment_, 0u);
- comment_ = 0;
- }
- JSON_ASSERT(text != 0);
- JSON_ASSERT_MESSAGE(
- text[0] == '\0' || text[0] == '/',
- "in Json::Value::setComment(): Comments must start with /");
- // It seems that /**/ style comments are acceptable as well.
- comment_ = duplicateStringValue(text, len);
-}
-
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// class Value::CZString
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-
-// Notes: policy_ indicates if the string was allocated when
-// a string is stored.
-
-Value::CZString::CZString(ArrayIndex aindex) : cstr_(0), index_(aindex) {}
-
-Value::CZString::CZString(char const* str, unsigned ulength, DuplicationPolicy allocate)
- : cstr_(str) {
- // allocate != duplicate
- storage_.policy_ = allocate & 0x3;
- storage_.length_ = ulength & 0x3FFFFFFF;
-}
-
-Value::CZString::CZString(const CZString& other) {
- cstr_ = (other.storage_.policy_ != noDuplication && other.cstr_ != 0
- ? duplicateStringValue(other.cstr_, other.storage_.length_)
- : other.cstr_);
- storage_.policy_ = static_cast<unsigned>(other.cstr_
- ? (static_cast<DuplicationPolicy>(other.storage_.policy_) == noDuplication
- ? noDuplication : duplicate)
- : static_cast<DuplicationPolicy>(other.storage_.policy_)) & 3U;
- storage_.length_ = other.storage_.length_;
-}
-
-#if JSON_HAS_RVALUE_REFERENCES
-Value::CZString::CZString(CZString&& other)
- : cstr_(other.cstr_), index_(other.index_) {
- other.cstr_ = nullptr;
-}
-#endif
-
-Value::CZString::~CZString() {
- if (cstr_ && storage_.policy_ == duplicate) {
- releaseStringValue(const_cast<char*>(cstr_), storage_.length_ + 1u); //+1 for null terminating character for sake of completeness but not actually necessary
- }
-}
-
-void Value::CZString::swap(CZString& other) {
- std::swap(cstr_, other.cstr_);
- std::swap(index_, other.index_);
-}
-
-Value::CZString& Value::CZString::operator=(CZString other) {
- swap(other);
- return *this;
-}
-
-bool Value::CZString::operator<(const CZString& other) const {
- if (!cstr_) return index_ < other.index_;
- //return strcmp(cstr_, other.cstr_) < 0;
- // Assume both are strings.
- unsigned this_len = this->storage_.length_;
- unsigned other_len = other.storage_.length_;
- unsigned min_len = std::min(this_len, other_len);
- JSON_ASSERT(this->cstr_ && other.cstr_);
- int comp = memcmp(this->cstr_, other.cstr_, min_len);
- if (comp < 0) return true;
- if (comp > 0) return false;
- return (this_len < other_len);
-}
-
-bool Value::CZString::operator==(const CZString& other) const {
- if (!cstr_) return index_ == other.index_;
- //return strcmp(cstr_, other.cstr_) == 0;
- // Assume both are strings.
- unsigned this_len = this->storage_.length_;
- unsigned other_len = other.storage_.length_;
- if (this_len != other_len) return false;
- JSON_ASSERT(this->cstr_ && other.cstr_);
- int comp = memcmp(this->cstr_, other.cstr_, this_len);
- return comp == 0;
-}
-
-ArrayIndex Value::CZString::index() const { return index_; }
-
-//const char* Value::CZString::c_str() const { return cstr_; }
-const char* Value::CZString::data() const { return cstr_; }
-unsigned Value::CZString::length() const { return storage_.length_; }
-bool Value::CZString::isStaticString() const { return storage_.policy_ == noDuplication; }
-
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// class Value::Value
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-
-/*! \internal Default constructor initialization must be equivalent to:
- * memset( this, 0, sizeof(Value) )
- * This optimization is used in ValueInternalMap fast allocator.
- */
-Value::Value(ValueType vtype) {
- initBasic(vtype);
- switch (vtype) {
- case nullValue:
- break;
- case intValue:
- case uintValue:
- value_.int_ = 0;
- break;
- case realValue:
- value_.real_ = 0.0;
- break;
- case stringValue:
- value_.string_ = 0;
- break;
- case arrayValue:
- case objectValue:
- value_.map_ = new ObjectValues();
- break;
- case booleanValue:
- value_.bool_ = false;
- break;
- default:
- JSON_ASSERT_UNREACHABLE;
- }
-}
-
-Value::Value(Int value) {
- initBasic(intValue);
- value_.int_ = value;
-}
-
-Value::Value(UInt value) {
- initBasic(uintValue);
- value_.uint_ = value;
-}
-#if defined(JSON_HAS_INT64)
-Value::Value(Int64 value) {
- initBasic(intValue);
- value_.int_ = value;
-}
-Value::Value(UInt64 value) {
- initBasic(uintValue);
- value_.uint_ = value;
-}
-#endif // defined(JSON_HAS_INT64)
-
-Value::Value(double value) {
- initBasic(realValue);
- value_.real_ = value;
-}
-
-Value::Value(const char* value) {
- initBasic(stringValue, true);
- value_.string_ = duplicateAndPrefixStringValue(value, static_cast<unsigned>(strlen(value)));
-}
-
-Value::Value(const char* beginValue, const char* endValue) {
- initBasic(stringValue, true);
- value_.string_ =
- duplicateAndPrefixStringValue(beginValue, static_cast<unsigned>(endValue - beginValue));
-}
-
-Value::Value(const JSONCPP_STRING& value) {
- initBasic(stringValue, true);
- value_.string_ =
- duplicateAndPrefixStringValue(value.data(), static_cast<unsigned>(value.length()));
-}
-
-Value::Value(const StaticString& value) {
- initBasic(stringValue);
- value_.string_ = const_cast<char*>(value.c_str());
-}
-
-#ifdef JSON_USE_CPPTL
-Value::Value(const CppTL::ConstString& value) {
- initBasic(stringValue, true);
- value_.string_ = duplicateAndPrefixStringValue(value, static_cast<unsigned>(value.length()));
-}
-#endif
-
-Value::Value(bool value) {
- initBasic(booleanValue);
- value_.bool_ = value;
-}
-
-Value::Value(Value const& other)
- : type_(other.type_), allocated_(false)
- ,
- comments_(0), start_(other.start_), limit_(other.limit_)
-{
- switch (type_) {
- case nullValue:
- case intValue:
- case uintValue:
- case realValue:
- case booleanValue:
- value_ = other.value_;
- break;
- case stringValue:
- if (other.value_.string_ && other.allocated_) {
- unsigned len;
- char const* str;
- decodePrefixedString(other.allocated_, other.value_.string_,
- &len, &str);
- value_.string_ = duplicateAndPrefixStringValue(str, len);
- allocated_ = true;
- } else {
- value_.string_ = other.value_.string_;
- allocated_ = false;
- }
- break;
- case arrayValue:
- case objectValue:
- value_.map_ = new ObjectValues(*other.value_.map_);
- break;
- default:
- JSON_ASSERT_UNREACHABLE;
- }
- if (other.comments_) {
- comments_ = new CommentInfo[numberOfCommentPlacement];
- for (int comment = 0; comment < numberOfCommentPlacement; ++comment) {
- const CommentInfo& otherComment = other.comments_[comment];
- if (otherComment.comment_)
- comments_[comment].setComment(
- otherComment.comment_, strlen(otherComment.comment_));
- }
- }
-}
-
-#if JSON_HAS_RVALUE_REFERENCES
-// Move constructor
-Value::Value(Value&& other) {
- initBasic(nullValue);
- swap(other);
-}
-#endif
-
-Value::~Value() {
- switch (type_) {
- case nullValue:
- case intValue:
- case uintValue:
- case realValue:
- case booleanValue:
- break;
- case stringValue:
- if (allocated_)
- releasePrefixedStringValue(value_.string_);
- break;
- case arrayValue:
- case objectValue:
- delete value_.map_;
- break;
- default:
- JSON_ASSERT_UNREACHABLE;
- }
-
- if (comments_)
- delete[] comments_;
-
- value_.uint_ = 0;
-}
-
-Value& Value::operator=(Value other) {
- swap(other);
- return *this;
-}
-
-void Value::swapPayload(Value& other) {
- ValueType temp = type_;
- type_ = other.type_;
- other.type_ = temp;
- std::swap(value_, other.value_);
- int temp2 = allocated_;
- allocated_ = other.allocated_;
- other.allocated_ = temp2 & 0x1;
-}
-
-void Value::swap(Value& other) {
- swapPayload(other);
- std::swap(comments_, other.comments_);
- std::swap(start_, other.start_);
- std::swap(limit_, other.limit_);
-}
-
-ValueType Value::type() const { return type_; }
-
-int Value::compare(const Value& other) const {
- if (*this < other)
- return -1;
- if (*this > other)
- return 1;
- return 0;
-}
-
-bool Value::operator<(const Value& other) const {
- int typeDelta = type_ - other.type_;
- if (typeDelta)
- return typeDelta < 0 ? true : false;
- switch (type_) {
- case nullValue:
- return false;
- case intValue:
- return value_.int_ < other.value_.int_;
- case uintValue:
- return value_.uint_ < other.value_.uint_;
- case realValue:
- return value_.real_ < other.value_.real_;
- case booleanValue:
- return value_.bool_ < other.value_.bool_;
- case stringValue:
- {
- if ((value_.string_ == 0) || (other.value_.string_ == 0)) {
- if (other.value_.string_) return true;
- else return false;
- }
- unsigned this_len;
- unsigned other_len;
- char const* this_str;
- char const* other_str;
- decodePrefixedString(this->allocated_, this->value_.string_, &this_len, &this_str);
- decodePrefixedString(other.allocated_, other.value_.string_, &other_len, &other_str);
- unsigned min_len = std::min(this_len, other_len);
- JSON_ASSERT(this_str && other_str);
- int comp = memcmp(this_str, other_str, min_len);
- if (comp < 0) return true;
- if (comp > 0) return false;
- return (this_len < other_len);
- }
- case arrayValue:
- case objectValue: {
- int delta = int(value_.map_->size() - other.value_.map_->size());
- if (delta)
- return delta < 0;
- return (*value_.map_) < (*other.value_.map_);
- }
- default:
- JSON_ASSERT_UNREACHABLE;
- }
- return false; // unreachable
-}
-
-bool Value::operator<=(const Value& other) const { return !(other < *this); }
-
-bool Value::operator>=(const Value& other) const { return !(*this < other); }
-
-bool Value::operator>(const Value& other) const { return other < *this; }
-
-bool Value::operator==(const Value& other) const {
- // if ( type_ != other.type_ )
- // GCC 2.95.3 says:
- // attempt to take address of bit-field structure member `Json::Value::type_'
- // Beats me, but a temp solves the problem.
- int temp = other.type_;
- if (type_ != temp)
- return false;
- switch (type_) {
- case nullValue:
- return true;
- case intValue:
- return value_.int_ == other.value_.int_;
- case uintValue:
- return value_.uint_ == other.value_.uint_;
- case realValue:
- return value_.real_ == other.value_.real_;
- case booleanValue:
- return value_.bool_ == other.value_.bool_;
- case stringValue:
- {
- if ((value_.string_ == 0) || (other.value_.string_ == 0)) {
- return (value_.string_ == other.value_.string_);
- }
- unsigned this_len;
- unsigned other_len;
- char const* this_str;
- char const* other_str;
- decodePrefixedString(this->allocated_, this->value_.string_, &this_len, &this_str);
- decodePrefixedString(other.allocated_, other.value_.string_, &other_len, &other_str);
- if (this_len != other_len) return false;
- JSON_ASSERT(this_str && other_str);
- int comp = memcmp(this_str, other_str, this_len);
- return comp == 0;
- }
- case arrayValue:
- case objectValue:
- return value_.map_->size() == other.value_.map_->size() &&
- (*value_.map_) == (*other.value_.map_);
- default:
- JSON_ASSERT_UNREACHABLE;
- }
- return false; // unreachable
-}
-
-bool Value::operator!=(const Value& other) const { return !(*this == other); }
-
-const char* Value::asCString() const {
- JSON_ASSERT_MESSAGE(type_ == stringValue,
- "in Json::Value::asCString(): requires stringValue");
- if (value_.string_ == 0) return 0;
- unsigned this_len;
- char const* this_str;
- decodePrefixedString(this->allocated_, this->value_.string_, &this_len, &this_str);
- return this_str;
-}
-
-#if JSONCPP_USING_SECURE_MEMORY
-unsigned Value::getCStringLength() const {
- JSON_ASSERT_MESSAGE(type_ == stringValue,
- "in Json::Value::asCString(): requires stringValue");
- if (value_.string_ == 0) return 0;
- unsigned this_len;
- char const* this_str;
- decodePrefixedString(this->allocated_, this->value_.string_, &this_len, &this_str);
- return this_len;
-}
-#endif
-
-bool Value::getString(char const** str, char const** cend) const {
- if (type_ != stringValue) return false;
- if (value_.string_ == 0) return false;
- unsigned length;
- decodePrefixedString(this->allocated_, this->value_.string_, &length, str);
- *cend = *str + length;
- return true;
-}
-
-JSONCPP_STRING Value::asString() const {
- switch (type_) {
- case nullValue:
- return "";
- case stringValue:
- {
- if (value_.string_ == 0) return "";
- unsigned this_len;
- char const* this_str;
- decodePrefixedString(this->allocated_, this->value_.string_, &this_len, &this_str);
- return JSONCPP_STRING(this_str, this_len);
- }
- case booleanValue:
- return value_.bool_ ? "true" : "false";
- case intValue:
- return valueToString(value_.int_);
- case uintValue:
- return valueToString(value_.uint_);
- case realValue:
- return valueToString(value_.real_);
- default:
- JSON_FAIL_MESSAGE("Type is not convertible to string");
- }
-}
-
-#ifdef JSON_USE_CPPTL
-CppTL::ConstString Value::asConstString() const {
- unsigned len;
- char const* str;
- decodePrefixedString(allocated_, value_.string_,
- &len, &str);
- return CppTL::ConstString(str, len);
-}
-#endif
-
-Value::Int Value::asInt() const {
- switch (type_) {
- case intValue:
- JSON_ASSERT_MESSAGE(isInt(), "LargestInt out of Int range");
- return Int(value_.int_);
- case uintValue:
- JSON_ASSERT_MESSAGE(isInt(), "LargestUInt out of Int range");
- return Int(value_.uint_);
- case realValue:
- JSON_ASSERT_MESSAGE(InRange(value_.real_, minInt, maxInt),
- "double out of Int range");
- return Int(value_.real_);
- case nullValue:
- return 0;
- case booleanValue:
- return value_.bool_ ? 1 : 0;
- default:
- break;
- }
- JSON_FAIL_MESSAGE("Value is not convertible to Int.");
-}
-
-Value::UInt Value::asUInt() const {
- switch (type_) {
- case intValue:
- JSON_ASSERT_MESSAGE(isUInt(), "LargestInt out of UInt range");
- return UInt(value_.int_);
- case uintValue:
- JSON_ASSERT_MESSAGE(isUInt(), "LargestUInt out of UInt range");
- return UInt(value_.uint_);
- case realValue:
- JSON_ASSERT_MESSAGE(InRange(value_.real_, 0, maxUInt),
- "double out of UInt range");
- return UInt(value_.real_);
- case nullValue:
- return 0;
- case booleanValue:
- return value_.bool_ ? 1 : 0;
- default:
- break;
- }
- JSON_FAIL_MESSAGE("Value is not convertible to UInt.");
-}
-
-#if defined(JSON_HAS_INT64)
-
-Value::Int64 Value::asInt64() const {
- switch (type_) {
- case intValue:
- return Int64(value_.int_);
- case uintValue:
- JSON_ASSERT_MESSAGE(isInt64(), "LargestUInt out of Int64 range");
- return Int64(value_.uint_);
- case realValue:
- JSON_ASSERT_MESSAGE(InRange(value_.real_, minInt64, maxInt64),
- "double out of Int64 range");
- return Int64(value_.real_);
- case nullValue:
- return 0;
- case booleanValue:
- return value_.bool_ ? 1 : 0;
- default:
- break;
- }
- JSON_FAIL_MESSAGE("Value is not convertible to Int64.");
-}
-
-Value::UInt64 Value::asUInt64() const {
- switch (type_) {
- case intValue:
- JSON_ASSERT_MESSAGE(isUInt64(), "LargestInt out of UInt64 range");
- return UInt64(value_.int_);
- case uintValue:
- return UInt64(value_.uint_);
- case realValue:
- JSON_ASSERT_MESSAGE(InRange(value_.real_, 0, maxUInt64),
- "double out of UInt64 range");
- return UInt64(value_.real_);
- case nullValue:
- return 0;
- case booleanValue:
- return value_.bool_ ? 1 : 0;
- default:
- break;
- }
- JSON_FAIL_MESSAGE("Value is not convertible to UInt64.");
-}
-#endif // if defined(JSON_HAS_INT64)
-
-LargestInt Value::asLargestInt() const {
-#if defined(JSON_NO_INT64)
- return asInt();
-#else
- return asInt64();
-#endif
-}
-
-LargestUInt Value::asLargestUInt() const {
-#if defined(JSON_NO_INT64)
- return asUInt();
-#else
- return asUInt64();
-#endif
-}
-
-double Value::asDouble() const {
- switch (type_) {
- case intValue:
- return static_cast<double>(value_.int_);
- case uintValue:
-#if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
- return static_cast<double>(value_.uint_);
-#else // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
- return integerToDouble(value_.uint_);
-#endif // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
- case realValue:
- return value_.real_;
- case nullValue:
- return 0.0;
- case booleanValue:
- return value_.bool_ ? 1.0 : 0.0;
- default:
- break;
- }
- JSON_FAIL_MESSAGE("Value is not convertible to double.");
-}
-
-float Value::asFloat() const {
- switch (type_) {
- case intValue:
- return static_cast<float>(value_.int_);
- case uintValue:
-#if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
- return static_cast<float>(value_.uint_);
-#else // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
- // This can fail (silently?) if the value is bigger than MAX_FLOAT.
- return static_cast<float>(integerToDouble(value_.uint_));
-#endif // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
- case realValue:
- return static_cast<float>(value_.real_);
- case nullValue:
- return 0.0;
- case booleanValue:
- return value_.bool_ ? 1.0f : 0.0f;
- default:
- break;
- }
- JSON_FAIL_MESSAGE("Value is not convertible to float.");
-}
-
-bool Value::asBool() const {
- switch (type_) {
- case booleanValue:
- return value_.bool_;
- case nullValue:
- return false;
- case intValue:
- return value_.int_ ? true : false;
- case uintValue:
- return value_.uint_ ? true : false;
- case realValue:
- // This is kind of strange. Not recommended.
- return (value_.real_ != 0.0) ? true : false;
- default:
- break;
- }
- JSON_FAIL_MESSAGE("Value is not convertible to bool.");
-}
-
-bool Value::isConvertibleTo(ValueType other) const {
- switch (other) {
- case nullValue:
- return (isNumeric() && asDouble() == 0.0) ||
- (type_ == booleanValue && value_.bool_ == false) ||
- (type_ == stringValue && asString() == "") ||
- (type_ == arrayValue && value_.map_->size() == 0) ||
- (type_ == objectValue && value_.map_->size() == 0) ||
- type_ == nullValue;
- case intValue:
- return isInt() ||
- (type_ == realValue && InRange(value_.real_, minInt, maxInt)) ||
- type_ == booleanValue || type_ == nullValue;
- case uintValue:
- return isUInt() ||
- (type_ == realValue && InRange(value_.real_, 0, maxUInt)) ||
- type_ == booleanValue || type_ == nullValue;
- case realValue:
- return isNumeric() || type_ == booleanValue || type_ == nullValue;
- case booleanValue:
- return isNumeric() || type_ == booleanValue || type_ == nullValue;
- case stringValue:
- return isNumeric() || type_ == booleanValue || type_ == stringValue ||
- type_ == nullValue;
- case arrayValue:
- return type_ == arrayValue || type_ == nullValue;
- case objectValue:
- return type_ == objectValue || type_ == nullValue;
- }
- JSON_ASSERT_UNREACHABLE;
- return false;
-}
-
-/// Number of values in array or object
-ArrayIndex Value::size() const {
- switch (type_) {
- case nullValue:
- case intValue:
- case uintValue:
- case realValue:
- case booleanValue:
- case stringValue:
- return 0;
- case arrayValue: // size of the array is highest index + 1
- if (!value_.map_->empty()) {
- ObjectValues::const_iterator itLast = value_.map_->end();
- --itLast;
- return (*itLast).first.index() + 1;
- }
- return 0;
- case objectValue:
- return ArrayIndex(value_.map_->size());
- }
- JSON_ASSERT_UNREACHABLE;
- return 0; // unreachable;
-}
-
-bool Value::empty() const {
- if (isNull() || isArray() || isObject())
- return size() == 0u;
- else
- return false;
-}
-
-bool Value::operator!() const { return isNull(); }
-
-void Value::clear() {
- JSON_ASSERT_MESSAGE(type_ == nullValue || type_ == arrayValue ||
- type_ == objectValue,
- "in Json::Value::clear(): requires complex value");
- start_ = 0;
- limit_ = 0;
- switch (type_) {
- case arrayValue:
- case objectValue:
- value_.map_->clear();
- break;
- default:
- break;
- }
-}
-
-void Value::resize(ArrayIndex newSize) {
- JSON_ASSERT_MESSAGE(type_ == nullValue || type_ == arrayValue,
- "in Json::Value::resize(): requires arrayValue");
- if (type_ == nullValue)
- *this = Value(arrayValue);
- ArrayIndex oldSize = size();
- if (newSize == 0)
- clear();
- else if (newSize > oldSize)
- (*this)[newSize - 1];
- else {
- for (ArrayIndex index = newSize; index < oldSize; ++index) {
- value_.map_->erase(index);
- }
- JSON_ASSERT(size() == newSize);
- }
-}
-
-Value& Value::operator[](ArrayIndex index) {
- JSON_ASSERT_MESSAGE(
- type_ == nullValue || type_ == arrayValue,
- "in Json::Value::operator[](ArrayIndex): requires arrayValue");
- if (type_ == nullValue)
- *this = Value(arrayValue);
- CZString key(index);
- ObjectValues::iterator it = value_.map_->lower_bound(key);
- if (it != value_.map_->end() && (*it).first == key)
- return (*it).second;
-
- ObjectValues::value_type defaultValue(key, nullRef);
- it = value_.map_->insert(it, defaultValue);
- return (*it).second;
-}
-
-Value& Value::operator[](int index) {
- JSON_ASSERT_MESSAGE(
- index >= 0,
- "in Json::Value::operator[](int index): index cannot be negative");
- return (*this)[ArrayIndex(index)];
-}
-
-const Value& Value::operator[](ArrayIndex index) const {
- JSON_ASSERT_MESSAGE(
- type_ == nullValue || type_ == arrayValue,
- "in Json::Value::operator[](ArrayIndex)const: requires arrayValue");
- if (type_ == nullValue)
- return nullRef;
- CZString key(index);
- ObjectValues::const_iterator it = value_.map_->find(key);
- if (it == value_.map_->end())
- return nullRef;
- return (*it).second;
-}
-
-const Value& Value::operator[](int index) const {
- JSON_ASSERT_MESSAGE(
- index >= 0,
- "in Json::Value::operator[](int index) const: index cannot be negative");
- return (*this)[ArrayIndex(index)];
-}
-
-void Value::initBasic(ValueType vtype, bool allocated) {
- type_ = vtype;
- allocated_ = allocated;
- comments_ = 0;
- start_ = 0;
- limit_ = 0;
-}
-
-// Access an object value by name, create a null member if it does not exist.
-// @pre Type of '*this' is object or null.
-// @param key is null-terminated.
-Value& Value::resolveReference(const char* key) {
- JSON_ASSERT_MESSAGE(
- type_ == nullValue || type_ == objectValue,
- "in Json::Value::resolveReference(): requires objectValue");
- if (type_ == nullValue)
- *this = Value(objectValue);
- CZString actualKey(
- key, static_cast<unsigned>(strlen(key)), CZString::noDuplication); // NOTE!
- ObjectValues::iterator it = value_.map_->lower_bound(actualKey);
- if (it != value_.map_->end() && (*it).first == actualKey)
- return (*it).second;
-
- ObjectValues::value_type defaultValue(actualKey, nullRef);
- it = value_.map_->insert(it, defaultValue);
- Value& value = (*it).second;
- return value;
-}
-
-// @param key is not null-terminated.
-Value& Value::resolveReference(char const* key, char const* cend)
-{
- JSON_ASSERT_MESSAGE(
- type_ == nullValue || type_ == objectValue,
- "in Json::Value::resolveReference(key, end): requires objectValue");
- if (type_ == nullValue)
- *this = Value(objectValue);
- CZString actualKey(
- key, static_cast<unsigned>(cend-key), CZString::duplicateOnCopy);
- ObjectValues::iterator it = value_.map_->lower_bound(actualKey);
- if (it != value_.map_->end() && (*it).first == actualKey)
- return (*it).second;
-
- ObjectValues::value_type defaultValue(actualKey, nullRef);
- it = value_.map_->insert(it, defaultValue);
- Value& value = (*it).second;
- return value;
-}
-
-Value Value::get(ArrayIndex index, const Value& defaultValue) const {
- const Value* value = &((*this)[index]);
- return value == &nullRef ? defaultValue : *value;
-}
-
-bool Value::isValidIndex(ArrayIndex index) const { return index < size(); }
-
-Value const* Value::find(char const* key, char const* cend) const
-{
- JSON_ASSERT_MESSAGE(
- type_ == nullValue || type_ == objectValue,
- "in Json::Value::find(key, end, found): requires objectValue or nullValue");
- if (type_ == nullValue) return NULL;
- CZString actualKey(key, static_cast<unsigned>(cend-key), CZString::noDuplication);
- ObjectValues::const_iterator it = value_.map_->find(actualKey);
- if (it == value_.map_->end()) return NULL;
- return &(*it).second;
-}
-const Value& Value::operator[](const char* key) const
-{
- Value const* found = find(key, key + strlen(key));
- if (!found) return nullRef;
- return *found;
-}
-Value const& Value::operator[](JSONCPP_STRING const& key) const
-{
- Value const* found = find(key.data(), key.data() + key.length());
- if (!found) return nullRef;
- return *found;
-}
-
-Value& Value::operator[](const char* key) {
- return resolveReference(key, key + strlen(key));
-}
-
-Value& Value::operator[](const JSONCPP_STRING& key) {
- return resolveReference(key.data(), key.data() + key.length());
-}
-
-Value& Value::operator[](const StaticString& key) {
- return resolveReference(key.c_str());
-}
-
-#ifdef JSON_USE_CPPTL
-Value& Value::operator[](const CppTL::ConstString& key) {
- return resolveReference(key.c_str(), key.end_c_str());
-}
-Value const& Value::operator[](CppTL::ConstString const& key) const
-{
- Value const* found = find(key.c_str(), key.end_c_str());
- if (!found) return nullRef;
- return *found;
-}
-#endif
-
-Value& Value::append(const Value& value) { return (*this)[size()] = value; }
-
-Value Value::get(char const* key, char const* cend, Value const& defaultValue) const
-{
- Value const* found = find(key, cend);
- return !found ? defaultValue : *found;
-}
-Value Value::get(char const* key, Value const& defaultValue) const
-{
- return get(key, key + strlen(key), defaultValue);
-}
-Value Value::get(JSONCPP_STRING const& key, Value const& defaultValue) const
-{
- return get(key.data(), key.data() + key.length(), defaultValue);
-}
-
-
-bool Value::removeMember(const char* key, const char* cend, Value* removed)
-{
- if (type_ != objectValue) {
- return false;
- }
- CZString actualKey(key, static_cast<unsigned>(cend-key), CZString::noDuplication);
- ObjectValues::iterator it = value_.map_->find(actualKey);
- if (it == value_.map_->end())
- return false;
- *removed = it->second;
- value_.map_->erase(it);
- return true;
-}
-bool Value::removeMember(const char* key, Value* removed)
-{
- return removeMember(key, key + strlen(key), removed);
-}
-bool Value::removeMember(JSONCPP_STRING const& key, Value* removed)
-{
- return removeMember(key.data(), key.data() + key.length(), removed);
-}
-Value Value::removeMember(const char* key)
-{
- JSON_ASSERT_MESSAGE(type_ == nullValue || type_ == objectValue,
- "in Json::Value::removeMember(): requires objectValue");
- if (type_ == nullValue)
- return nullRef;
-
- Value removed; // null
- removeMember(key, key + strlen(key), &removed);
- return removed; // still null if removeMember() did nothing
-}
-Value Value::removeMember(const JSONCPP_STRING& key)
-{
- return removeMember(key.c_str());
-}
-
-bool Value::removeIndex(ArrayIndex index, Value* removed) {
- if (type_ != arrayValue) {
- return false;
- }
- CZString key(index);
- ObjectValues::iterator it = value_.map_->find(key);
- if (it == value_.map_->end()) {
- return false;
- }
- *removed = it->second;
- ArrayIndex oldSize = size();
- // shift left all items left, into the place of the "removed"
- for (ArrayIndex i = index; i < (oldSize - 1); ++i){
- CZString keey(i);
- (*value_.map_)[keey] = (*this)[i + 1];
- }
- // erase the last one ("leftover")
- CZString keyLast(oldSize - 1);
- ObjectValues::iterator itLast = value_.map_->find(keyLast);
- value_.map_->erase(itLast);
- return true;
-}
-
-#ifdef JSON_USE_CPPTL
-Value Value::get(const CppTL::ConstString& key,
- const Value& defaultValue) const {
- return get(key.c_str(), key.end_c_str(), defaultValue);
-}
-#endif
-
-bool Value::isMember(char const* key, char const* cend) const
-{
- Value const* value = find(key, cend);
- return NULL != value;
-}
-bool Value::isMember(char const* key) const
-{
- return isMember(key, key + strlen(key));
-}
-bool Value::isMember(JSONCPP_STRING const& key) const
-{
- return isMember(key.data(), key.data() + key.length());
-}
-
-#ifdef JSON_USE_CPPTL
-bool Value::isMember(const CppTL::ConstString& key) const {
- return isMember(key.c_str(), key.end_c_str());
-}
-#endif
-
-Value::Members Value::getMemberNames() const {
- JSON_ASSERT_MESSAGE(
- type_ == nullValue || type_ == objectValue,
- "in Json::Value::getMemberNames(), value must be objectValue");
- if (type_ == nullValue)
- return Value::Members();
- Members members;
- members.reserve(value_.map_->size());
- ObjectValues::const_iterator it = value_.map_->begin();
- ObjectValues::const_iterator itEnd = value_.map_->end();
- for (; it != itEnd; ++it) {
- members.push_back(JSONCPP_STRING((*it).first.data(),
- (*it).first.length()));
- }
- return members;
-}
-//
-//# ifdef JSON_USE_CPPTL
-// EnumMemberNames
-// Value::enumMemberNames() const
-//{
-// if ( type_ == objectValue )
-// {
-// return CppTL::Enum::any( CppTL::Enum::transform(
-// CppTL::Enum::keys( *(value_.map_), CppTL::Type<const CZString &>() ),
-// MemberNamesTransform() ) );
-// }
-// return EnumMemberNames();
-//}
-//
-//
-// EnumValues
-// Value::enumValues() const
-//{
-// if ( type_ == objectValue || type_ == arrayValue )
-// return CppTL::Enum::anyValues( *(value_.map_),
-// CppTL::Type<const Value &>() );
-// return EnumValues();
-//}
-//
-//# endif
-
-static bool IsIntegral(double d) {
- double integral_part;
- return modf(d, &integral_part) == 0.0;
-}
-
-bool Value::isNull() const { return type_ == nullValue; }
-
-bool Value::isBool() const { return type_ == booleanValue; }
-
-bool Value::isInt() const {
- switch (type_) {
- case intValue:
- return value_.int_ >= minInt && value_.int_ <= maxInt;
- case uintValue:
- return value_.uint_ <= UInt(maxInt);
- case realValue:
- return value_.real_ >= minInt && value_.real_ <= maxInt &&
- IsIntegral(value_.real_);
- default:
- break;
- }
- return false;
-}
-
-bool Value::isUInt() const {
- switch (type_) {
- case intValue:
- return value_.int_ >= 0 && LargestUInt(value_.int_) <= LargestUInt(maxUInt);
- case uintValue:
- return value_.uint_ <= maxUInt;
- case realValue:
- return value_.real_ >= 0 && value_.real_ <= maxUInt &&
- IsIntegral(value_.real_);
- default:
- break;
- }
- return false;
-}
-
-bool Value::isInt64() const {
-#if defined(JSON_HAS_INT64)
- switch (type_) {
- case intValue:
- return true;
- case uintValue:
- return value_.uint_ <= UInt64(maxInt64);
- case realValue:
- // Note that maxInt64 (= 2^63 - 1) is not exactly representable as a
- // double, so double(maxInt64) will be rounded up to 2^63. Therefore we
- // require the value to be strictly less than the limit.
- return value_.real_ >= double(minInt64) &&
- value_.real_ < double(maxInt64) && IsIntegral(value_.real_);
- default:
- break;
- }
-#endif // JSON_HAS_INT64
- return false;
-}
-
-bool Value::isUInt64() const {
-#if defined(JSON_HAS_INT64)
- switch (type_) {
- case intValue:
- return value_.int_ >= 0;
- case uintValue:
- return true;
- case realValue:
- // Note that maxUInt64 (= 2^64 - 1) is not exactly representable as a
- // double, so double(maxUInt64) will be rounded up to 2^64. Therefore we
- // require the value to be strictly less than the limit.
- return value_.real_ >= 0 && value_.real_ < maxUInt64AsDouble &&
- IsIntegral(value_.real_);
- default:
- break;
- }
-#endif // JSON_HAS_INT64
- return false;
-}
-
-bool Value::isIntegral() const {
-#if defined(JSON_HAS_INT64)
- return isInt64() || isUInt64();
-#else
- return isInt() || isUInt();
-#endif
-}
-
-bool Value::isDouble() const { return type_ == realValue || isIntegral(); }
-
-bool Value::isNumeric() const { return isIntegral() || isDouble(); }
-
-bool Value::isString() const { return type_ == stringValue; }
-
-bool Value::isArray() const { return type_ == arrayValue; }
-
-bool Value::isObject() const { return type_ == objectValue; }
-
-void Value::setComment(const char* comment, size_t len, CommentPlacement placement) {
- if (!comments_)
- comments_ = new CommentInfo[numberOfCommentPlacement];
- if ((len > 0) && (comment[len-1] == '\n')) {
- // Always discard trailing newline, to aid indentation.
- len -= 1;
- }
- comments_[placement].setComment(comment, len);
-}
-
-void Value::setComment(const char* comment, CommentPlacement placement) {
- setComment(comment, strlen(comment), placement);
-}
-
-void Value::setComment(const JSONCPP_STRING& comment, CommentPlacement placement) {
- setComment(comment.c_str(), comment.length(), placement);
-}
-
-bool Value::hasComment(CommentPlacement placement) const {
- return comments_ != 0 && comments_[placement].comment_ != 0;
-}
-
-JSONCPP_STRING Value::getComment(CommentPlacement placement) const {
- if (hasComment(placement))
- return comments_[placement].comment_;
- return "";
-}
-
-void Value::setOffsetStart(ptrdiff_t start) { start_ = start; }
-
-void Value::setOffsetLimit(ptrdiff_t limit) { limit_ = limit; }
-
-ptrdiff_t Value::getOffsetStart() const { return start_; }
-
-ptrdiff_t Value::getOffsetLimit() const { return limit_; }
-
-JSONCPP_STRING Value::toStyledString() const {
- StyledWriter writer;
- return writer.write(*this);
-}
-
-Value::const_iterator Value::begin() const {
- switch (type_) {
- case arrayValue:
- case objectValue:
- if (value_.map_)
- return const_iterator(value_.map_->begin());
- break;
- default:
- break;
- }
- return const_iterator();
-}
-
-Value::const_iterator Value::end() const {
- switch (type_) {
- case arrayValue:
- case objectValue:
- if (value_.map_)
- return const_iterator(value_.map_->end());
- break;
- default:
- break;
- }
- return const_iterator();
-}
-
-Value::iterator Value::begin() {
- switch (type_) {
- case arrayValue:
- case objectValue:
- if (value_.map_)
- return iterator(value_.map_->begin());
- break;
- default:
- break;
- }
- return iterator();
-}
-
-Value::iterator Value::end() {
- switch (type_) {
- case arrayValue:
- case objectValue:
- if (value_.map_)
- return iterator(value_.map_->end());
- break;
- default:
- break;
- }
- return iterator();
-}
-
-// class PathArgument
-// //////////////////////////////////////////////////////////////////
-
-PathArgument::PathArgument() : key_(), index_(), kind_(kindNone) {}
-
-PathArgument::PathArgument(ArrayIndex index)
- : key_(), index_(index), kind_(kindIndex) {}
-
-PathArgument::PathArgument(const char* key)
- : key_(key), index_(), kind_(kindKey) {}
-
-PathArgument::PathArgument(const JSONCPP_STRING& key)
- : key_(key.c_str()), index_(), kind_(kindKey) {}
-
-// class Path
-// //////////////////////////////////////////////////////////////////
-
-Path::Path(const JSONCPP_STRING& path,
- const PathArgument& a1,
- const PathArgument& a2,
- const PathArgument& a3,
- const PathArgument& a4,
- const PathArgument& a5) {
- InArgs in;
- in.push_back(&a1);
- in.push_back(&a2);
- in.push_back(&a3);
- in.push_back(&a4);
- in.push_back(&a5);
- makePath(path, in);
-}
-
-void Path::makePath(const JSONCPP_STRING& path, const InArgs& in) {
- const char* current = path.c_str();
- const char* end = current + path.length();
- InArgs::const_iterator itInArg = in.begin();
- while (current != end) {
- if (*current == '[') {
- ++current;
- if (*current == '%')
- addPathInArg(path, in, itInArg, PathArgument::kindIndex);
- else {
- ArrayIndex index = 0;
- for (; current != end && *current >= '0' && *current <= '9'; ++current)
- index = index * 10 + ArrayIndex(*current - '0');
- args_.push_back(index);
- }
- if (current == end || *current++ != ']')
- invalidPath(path, int(current - path.c_str()));
- } else if (*current == '%') {
- addPathInArg(path, in, itInArg, PathArgument::kindKey);
- ++current;
- } else if (*current == '.') {
- ++current;
- } else {
- const char* beginName = current;
- while (current != end && !strchr("[.", *current))
- ++current;
- args_.push_back(JSONCPP_STRING(beginName, current));
- }
- }
-}
-
-void Path::addPathInArg(const JSONCPP_STRING& /*path*/,
- const InArgs& in,
- InArgs::const_iterator& itInArg,
- PathArgument::Kind kind) {
- if (itInArg == in.end()) {
- // Error: missing argument %d
- } else if ((*itInArg)->kind_ != kind) {
- // Error: bad argument type
- } else {
- args_.push_back(**itInArg);
- }
-}
-
-void Path::invalidPath(const JSONCPP_STRING& /*path*/, int /*location*/) {
- // Error: invalid path.
-}
-
-const Value& Path::resolve(const Value& root) const {
- const Value* node = &root;
- for (Args::const_iterator it = args_.begin(); it != args_.end(); ++it) {
- const PathArgument& arg = *it;
- if (arg.kind_ == PathArgument::kindIndex) {
- if (!node->isArray() || !node->isValidIndex(arg.index_)) {
- // Error: unable to resolve path (array value expected at position...
- }
- node = &((*node)[arg.index_]);
- } else if (arg.kind_ == PathArgument::kindKey) {
- if (!node->isObject()) {
- // Error: unable to resolve path (object value expected at position...)
- }
- node = &((*node)[arg.key_]);
- if (node == &Value::nullRef) {
- // Error: unable to resolve path (object has no member named '' at
- // position...)
- }
- }
- }
- return *node;
-}
-
-Value Path::resolve(const Value& root, const Value& defaultValue) const {
- const Value* node = &root;
- for (Args::const_iterator it = args_.begin(); it != args_.end(); ++it) {
- const PathArgument& arg = *it;
- if (arg.kind_ == PathArgument::kindIndex) {
- if (!node->isArray() || !node->isValidIndex(arg.index_))
- return defaultValue;
- node = &((*node)[arg.index_]);
- } else if (arg.kind_ == PathArgument::kindKey) {
- if (!node->isObject())
- return defaultValue;
- node = &((*node)[arg.key_]);
- if (node == &Value::nullRef)
- return defaultValue;
- }
- }
- return *node;
-}
-
-Value& Path::make(Value& root) const {
- Value* node = &root;
- for (Args::const_iterator it = args_.begin(); it != args_.end(); ++it) {
- const PathArgument& arg = *it;
- if (arg.kind_ == PathArgument::kindIndex) {
- if (!node->isArray()) {
- // Error: node is not an array at position ...
- }
- node = &((*node)[arg.index_]);
- } else if (arg.kind_ == PathArgument::kindKey) {
- if (!node->isObject()) {
- // Error: node is not an object at position...
- }
- node = &((*node)[arg.key_]);
- }
- }
- return *node;
-}
-
-} // namespace Json
-
-// //////////////////////////////////////////////////////////////////////
-// End of content of file: src/lib_json/json_value.cpp
-// //////////////////////////////////////////////////////////////////////
-
-
-
-
-
-
-// //////////////////////////////////////////////////////////////////////
-// Beginning of content of file: src/lib_json/json_writer.cpp
-// //////////////////////////////////////////////////////////////////////
-
-// Copyright 2011 Baptiste Lepilleur
-// Distributed under MIT license, or public domain if desired and
-// recognized in your jurisdiction.
-// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
-
-#if !defined(JSON_IS_AMALGAMATION)
-#include <json/writer.h>
-#include "json_tool.h"
-#endif // if !defined(JSON_IS_AMALGAMATION)
-#include <iomanip>
-#include <memory>
-#include <sstream>
-#include <utility>
-#include <set>
-#include <cassert>
-#include <cstring>
-#include <cstdio>
-
-#if defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1800 // Between VC++ 6.0 and VC++ 11.0
-#include <float.h>
-#define isfinite _finite
-#elif defined(__sun) && defined(__SVR4) //Solaris
-#if !defined(isfinite)
-#include <ieeefp.h>
-#define isfinite finite
-#endif
-#elif defined(_AIX)
-#if !defined(isfinite)
-#include <math.h>
-#define isfinite finite
-#endif
-#elif defined(__hpux)
-#if !defined(isfinite)
-#if defined(__ia64) && !defined(finite)
-#define isfinite(x) ((sizeof(x) == sizeof(float) ? \
- _Isfinitef(x) : _IsFinite(x)))
-#else
-#include <math.h>
-#define isfinite finite
-#endif
-#endif
-#else
-#include <cmath>
-#if !(defined(__QNXNTO__)) // QNX already defines isfinite
-#define isfinite std::isfinite
-#endif
-#endif
-
-#if defined(_MSC_VER)
-#if !defined(WINCE) && defined(__STDC_SECURE_LIB__) && _MSC_VER >= 1500 // VC++ 9.0 and above
-#define snprintf sprintf_s
-#elif _MSC_VER >= 1900 // VC++ 14.0 and above
-#define snprintf std::snprintf
-#else
-#define snprintf _snprintf
-#endif
-#elif defined(__ANDROID__) || defined(__QNXNTO__)
-#define snprintf snprintf
-#elif __cplusplus >= 201103L
-#if !defined(__MINGW32__) && !defined(__CYGWIN__)
-#define snprintf std::snprintf
-#endif
-#endif
-
-#if defined(__BORLANDC__)
-#include <float.h>
-#define isfinite _finite
-#define snprintf _snprintf
-#endif
-
-#if defined(_MSC_VER) && _MSC_VER >= 1400 // VC++ 8.0
-// Disable warning about strdup being deprecated.
-#pragma warning(disable : 4996)
-#endif
-
-namespace Json {
-
-#if __cplusplus >= 201103L || (defined(_CPPLIB_VER) && _CPPLIB_VER >= 520)
-typedef std::unique_ptr<StreamWriter> StreamWriterPtr;
-#else
-typedef std::auto_ptr<StreamWriter> StreamWriterPtr;
-#endif
-
-static bool containsControlCharacter(const char* str) {
- while (*str) {
- if (isControlCharacter(*(str++)))
- return true;
- }
- return false;
-}
-
-static bool containsControlCharacter0(const char* str, unsigned len) {
- char const* end = str + len;
- while (end != str) {
- if (isControlCharacter(*str) || 0==*str)
- return true;
- ++str;
- }
- return false;
-}
-
-JSONCPP_STRING valueToString(LargestInt value) {
- UIntToStringBuffer buffer;
- char* current = buffer + sizeof(buffer);
- if (value == Value::minLargestInt) {
- uintToString(LargestUInt(Value::maxLargestInt) + 1, current);
- *--current = '-';
- } else if (value < 0) {
- uintToString(LargestUInt(-value), current);
- *--current = '-';
- } else {
- uintToString(LargestUInt(value), current);
- }
- assert(current >= buffer);
- return current;
-}
-
-JSONCPP_STRING valueToString(LargestUInt value) {
- UIntToStringBuffer buffer;
- char* current = buffer + sizeof(buffer);
- uintToString(value, current);
- assert(current >= buffer);
- return current;
-}
-
-#if defined(JSON_HAS_INT64)
-
-JSONCPP_STRING valueToString(Int value) {
- return valueToString(LargestInt(value));
-}
-
-JSONCPP_STRING valueToString(UInt value) {
- return valueToString(LargestUInt(value));
-}
-
-#endif // # if defined(JSON_HAS_INT64)
-
-JSONCPP_STRING valueToString(double value, bool useSpecialFloats, unsigned int precision) {
- // Allocate a buffer that is more than large enough to store the 16 digits of
- // precision requested below.
- char buffer[32];
- int len = -1;
-
- char formatString[6];
- sprintf(formatString, "%%.%dg", precision);
-
- // Print into the buffer. We need not request the alternative representation
- // that always has a decimal point because JSON doesn't distingish the
- // concepts of reals and integers.
- if (isfinite(value)) {
- len = snprintf(buffer, sizeof(buffer), formatString, value);
- } else {
- // IEEE standard states that NaN values will not compare to themselves
- if (value != value) {
- len = snprintf(buffer, sizeof(buffer), useSpecialFloats ? "NaN" : "null");
- } else if (value < 0) {
- len = snprintf(buffer, sizeof(buffer), useSpecialFloats ? "-Infinity" : "-1e+9999");
- } else {
- len = snprintf(buffer, sizeof(buffer), useSpecialFloats ? "Infinity" : "1e+9999");
- }
- // For those, we do not need to call fixNumLoc, but it is fast.
- }
- assert(len >= 0);
- fixNumericLocale(buffer, buffer + len);
- return buffer;
-}
-
-JSONCPP_STRING valueToString(double value) { return valueToString(value, false, 17); }
-
-JSONCPP_STRING valueToString(bool value) { return value ? "true" : "false"; }
-
-JSONCPP_STRING valueToQuotedString(const char* value) {
- if (value == NULL)
- return "";
- // Not sure how to handle unicode...
- if (strpbrk(value, "\"\\\b\f\n\r\t") == NULL &&
- !containsControlCharacter(value))
- return JSONCPP_STRING("\"") + value + "\"";
- // We have to walk value and escape any special characters.
- // Appending to JSONCPP_STRING is not efficient, but this should be rare.
- // (Note: forward slashes are *not* rare, but I am not escaping them.)
- JSONCPP_STRING::size_type maxsize =
- strlen(value) * 2 + 3; // allescaped+quotes+NULL
- JSONCPP_STRING result;
- result.reserve(maxsize); // to avoid lots of mallocs
- result += "\"";
- for (const char* c = value; *c != 0; ++c) {
- switch (*c) {
- case '\"':
- result += "\\\"";
- break;
- case '\\':
- result += "\\\\";
- break;
- case '\b':
- result += "\\b";
- break;
- case '\f':
- result += "\\f";
- break;
- case '\n':
- result += "\\n";
- break;
- case '\r':
- result += "\\r";
- break;
- case '\t':
- result += "\\t";
- break;
- // case '/':
- // Even though \/ is considered a legal escape in JSON, a bare
- // slash is also legal, so I see no reason to escape it.
- // (I hope I am not misunderstanding something.
- // blep notes: actually escaping \/ may be useful in javascript to avoid </
- // sequence.
- // Should add a flag to allow this compatibility mode and prevent this
- // sequence from occurring.
- default:
- if (isControlCharacter(*c)) {
- JSONCPP_OSTRINGSTREAM oss;
- oss << "\\u" << std::hex << std::uppercase << std::setfill('0')
- << std::setw(4) << static_cast<int>(*c);
- result += oss.str();
- } else {
- result += *c;
- }
- break;
- }
- }
- result += "\"";
- return result;
-}
-
-// https://github.com/upcaste/upcaste/blob/master/src/upcore/src/cstring/strnpbrk.cpp
-static char const* strnpbrk(char const* s, char const* accept, size_t n) {
- assert((s || !n) && accept);
-
- char const* const end = s + n;
- for (char const* cur = s; cur < end; ++cur) {
- int const c = *cur;
- for (char const* a = accept; *a; ++a) {
- if (*a == c) {
- return cur;
- }
- }
- }
- return NULL;
-}
-static JSONCPP_STRING valueToQuotedStringN(const char* value, unsigned length) {
- if (value == NULL)
- return "";
- // Not sure how to handle unicode...
- if (strnpbrk(value, "\"\\\b\f\n\r\t", length) == NULL &&
- !containsControlCharacter0(value, length))
- return JSONCPP_STRING("\"") + value + "\"";
- // We have to walk value and escape any special characters.
- // Appending to JSONCPP_STRING is not efficient, but this should be rare.
- // (Note: forward slashes are *not* rare, but I am not escaping them.)
- JSONCPP_STRING::size_type maxsize =
- length * 2 + 3; // allescaped+quotes+NULL
- JSONCPP_STRING result;
- result.reserve(maxsize); // to avoid lots of mallocs
- result += "\"";
- char const* end = value + length;
- for (const char* c = value; c != end; ++c) {
- switch (*c) {
- case '\"':
- result += "\\\"";
- break;
- case '\\':
- result += "\\\\";
- break;
- case '\b':
- result += "\\b";
- break;
- case '\f':
- result += "\\f";
- break;
- case '\n':
- result += "\\n";
- break;
- case '\r':
- result += "\\r";
- break;
- case '\t':
- result += "\\t";
- break;
- // case '/':
- // Even though \/ is considered a legal escape in JSON, a bare
- // slash is also legal, so I see no reason to escape it.
- // (I hope I am not misunderstanding something.)
- // blep notes: actually escaping \/ may be useful in javascript to avoid </
- // sequence.
- // Should add a flag to allow this compatibility mode and prevent this
- // sequence from occurring.
- default:
- if ((isControlCharacter(*c)) || (*c == 0)) {
- JSONCPP_OSTRINGSTREAM oss;
- oss << "\\u" << std::hex << std::uppercase << std::setfill('0')
- << std::setw(4) << static_cast<int>(*c);
- result += oss.str();
- } else {
- result += *c;
- }
- break;
- }
- }
- result += "\"";
- return result;
-}
-
-// Class Writer
-// //////////////////////////////////////////////////////////////////
-Writer::~Writer() {}
-
-// Class FastWriter
-// //////////////////////////////////////////////////////////////////
-
-FastWriter::FastWriter()
- : yamlCompatiblityEnabled_(false), dropNullPlaceholders_(false),
- omitEndingLineFeed_(false) {}
-
-void FastWriter::enableYAMLCompatibility() { yamlCompatiblityEnabled_ = true; }
-
-void FastWriter::dropNullPlaceholders() { dropNullPlaceholders_ = true; }
-
-void FastWriter::omitEndingLineFeed() { omitEndingLineFeed_ = true; }
-
-JSONCPP_STRING FastWriter::write(const Value& root) {
- document_ = "";
- writeValue(root);
- if (!omitEndingLineFeed_)
- document_ += "\n";
- return document_;
-}
-
-void FastWriter::writeValue(const Value& value) {
- switch (value.type()) {
- case nullValue:
- if (!dropNullPlaceholders_)
- document_ += "null";
- break;
- case intValue:
- document_ += valueToString(value.asLargestInt());
- break;
- case uintValue:
- document_ += valueToString(value.asLargestUInt());
- break;
- case realValue:
- document_ += valueToString(value.asDouble());
- break;
- case stringValue:
- {
- // Is NULL possible for value.string_?
- char const* str;
- char const* end;
- bool ok = value.getString(&str, &end);
- if (ok) document_ += valueToQuotedStringN(str, static_cast<unsigned>(end-str));
- break;
- }
- case booleanValue:
- document_ += valueToString(value.asBool());
- break;
- case arrayValue: {
- document_ += '[';
- ArrayIndex size = value.size();
- for (ArrayIndex index = 0; index < size; ++index) {
- if (index > 0)
- document_ += ',';
- writeValue(value[index]);
- }
- document_ += ']';
- } break;
- case objectValue: {
- Value::Members members(value.getMemberNames());
- document_ += '{';
- for (Value::Members::iterator it = members.begin(); it != members.end();
- ++it) {
- const JSONCPP_STRING& name = *it;
- if (it != members.begin())
- document_ += ',';
- document_ += valueToQuotedStringN(name.data(), static_cast<unsigned>(name.length()));
- document_ += yamlCompatiblityEnabled_ ? ": " : ":";
- writeValue(value[name]);
- }
- document_ += '}';
- } break;
- }
-}
-
-// Class StyledWriter
-// //////////////////////////////////////////////////////////////////
-
-StyledWriter::StyledWriter()
- : rightMargin_(74), indentSize_(3), addChildValues_() {}
-
-JSONCPP_STRING StyledWriter::write(const Value& root) {
- document_ = "";
- addChildValues_ = false;
- indentString_ = "";
- writeCommentBeforeValue(root);
- writeValue(root);
- writeCommentAfterValueOnSameLine(root);
- document_ += "\n";
- return document_;
-}
-
-void StyledWriter::writeValue(const Value& value) {
- switch (value.type()) {
- case nullValue:
- pushValue("null");
- break;
- case intValue:
- pushValue(valueToString(value.asLargestInt()));
- break;
- case uintValue:
- pushValue(valueToString(value.asLargestUInt()));
- break;
- case realValue:
- pushValue(valueToString(value.asDouble()));
- break;
- case stringValue:
- {
- // Is NULL possible for value.string_?
- char const* str;
- char const* end;
- bool ok = value.getString(&str, &end);
- if (ok) pushValue(valueToQuotedStringN(str, static_cast<unsigned>(end-str)));
- else pushValue("");
- break;
- }
- case booleanValue:
- pushValue(valueToString(value.asBool()));
- break;
- case arrayValue:
- writeArrayValue(value);
- break;
- case objectValue: {
- Value::Members members(value.getMemberNames());
- if (members.empty())
- pushValue("{}");
- else {
- writeWithIndent("{");
- indent();
- Value::Members::iterator it = members.begin();
- for (;;) {
- const JSONCPP_STRING& name = *it;
- const Value& childValue = value[name];
- writeCommentBeforeValue(childValue);
- writeWithIndent(valueToQuotedString(name.c_str()));
- document_ += " : ";
- writeValue(childValue);
- if (++it == members.end()) {
- writeCommentAfterValueOnSameLine(childValue);
- break;
- }
- document_ += ',';
- writeCommentAfterValueOnSameLine(childValue);
- }
- unindent();
- writeWithIndent("}");
- }
- } break;
- }
-}
-
-void StyledWriter::writeArrayValue(const Value& value) {
- unsigned size = value.size();
- if (size == 0)
- pushValue("[]");
- else {
- bool isArrayMultiLine = isMultineArray(value);
- if (isArrayMultiLine) {
- writeWithIndent("[");
- indent();
- bool hasChildValue = !childValues_.empty();
- unsigned index = 0;
- for (;;) {
- const Value& childValue = value[index];
- writeCommentBeforeValue(childValue);
- if (hasChildValue)
- writeWithIndent(childValues_[index]);
- else {
- writeIndent();
- writeValue(childValue);
- }
- if (++index == size) {
- writeCommentAfterValueOnSameLine(childValue);
- break;
- }
- document_ += ',';
- writeCommentAfterValueOnSameLine(childValue);
- }
- unindent();
- writeWithIndent("]");
- } else // output on a single line
- {
- assert(childValues_.size() == size);
- document_ += "[ ";
- for (unsigned index = 0; index < size; ++index) {
- if (index > 0)
- document_ += ", ";
- document_ += childValues_[index];
- }
- document_ += " ]";
- }
- }
-}
-
-bool StyledWriter::isMultineArray(const Value& value) {
- ArrayIndex const size = value.size();
- bool isMultiLine = size * 3 >= rightMargin_;
- childValues_.clear();
- for (ArrayIndex index = 0; index < size && !isMultiLine; ++index) {
- const Value& childValue = value[index];
- isMultiLine = ((childValue.isArray() || childValue.isObject()) &&
- childValue.size() > 0);
- }
- if (!isMultiLine) // check if line length > max line length
- {
- childValues_.reserve(size);
- addChildValues_ = true;
- ArrayIndex lineLength = 4 + (size - 1) * 2; // '[ ' + ', '*n + ' ]'
- for (ArrayIndex index = 0; index < size; ++index) {
- if (hasCommentForValue(value[index])) {
- isMultiLine = true;
- }
- writeValue(value[index]);
- lineLength += static_cast<ArrayIndex>(childValues_[index].length());
- }
- addChildValues_ = false;
- isMultiLine = isMultiLine || lineLength >= rightMargin_;
- }
- return isMultiLine;
-}
-
-void StyledWriter::pushValue(const JSONCPP_STRING& value) {
- if (addChildValues_)
- childValues_.push_back(value);
- else
- document_ += value;
-}
-
-void StyledWriter::writeIndent() {
- if (!document_.empty()) {
- char last = document_[document_.length() - 1];
- if (last == ' ') // already indented
- return;
- if (last != '\n') // Comments may add new-line
- document_ += '\n';
- }
- document_ += indentString_;
-}
-
-void StyledWriter::writeWithIndent(const JSONCPP_STRING& value) {
- writeIndent();
- document_ += value;
-}
-
-void StyledWriter::indent() { indentString_ += JSONCPP_STRING(indentSize_, ' '); }
-
-void StyledWriter::unindent() {
- assert(indentString_.size() >= indentSize_);
- indentString_.resize(indentString_.size() - indentSize_);
-}
-
-void StyledWriter::writeCommentBeforeValue(const Value& root) {
- if (!root.hasComment(commentBefore))
- return;
-
- document_ += "\n";
- writeIndent();
- const JSONCPP_STRING& comment = root.getComment(commentBefore);
- JSONCPP_STRING::const_iterator iter = comment.begin();
- while (iter != comment.end()) {
- document_ += *iter;
- if (*iter == '\n' &&
- (iter != comment.end() && *(iter + 1) == '/'))
- writeIndent();
- ++iter;
- }
-
- // Comments are stripped of trailing newlines, so add one here
- document_ += "\n";
-}
-
-void StyledWriter::writeCommentAfterValueOnSameLine(const Value& root) {
- if (root.hasComment(commentAfterOnSameLine))
- document_ += " " + root.getComment(commentAfterOnSameLine);
-
- if (root.hasComment(commentAfter)) {
- document_ += "\n";
- document_ += root.getComment(commentAfter);
- document_ += "\n";
- }
-}
-
-bool StyledWriter::hasCommentForValue(const Value& value) {
- return value.hasComment(commentBefore) ||
- value.hasComment(commentAfterOnSameLine) ||
- value.hasComment(commentAfter);
-}
-
-// Class StyledStreamWriter
-// //////////////////////////////////////////////////////////////////
-
-StyledStreamWriter::StyledStreamWriter(JSONCPP_STRING indentation)
- : document_(NULL), rightMargin_(74), indentation_(indentation),
- addChildValues_() {}
-
-void StyledStreamWriter::write(JSONCPP_OSTREAM& out, const Value& root) {
- document_ = &out;
- addChildValues_ = false;
- indentString_ = "";
- indented_ = true;
- writeCommentBeforeValue(root);
- if (!indented_) writeIndent();
- indented_ = true;
- writeValue(root);
- writeCommentAfterValueOnSameLine(root);
- *document_ << "\n";
- document_ = NULL; // Forget the stream, for safety.
-}
-
-void StyledStreamWriter::writeValue(const Value& value) {
- switch (value.type()) {
- case nullValue:
- pushValue("null");
- break;
- case intValue:
- pushValue(valueToString(value.asLargestInt()));
- break;
- case uintValue:
- pushValue(valueToString(value.asLargestUInt()));
- break;
- case realValue:
- pushValue(valueToString(value.asDouble()));
- break;
- case stringValue:
- {
- // Is NULL possible for value.string_?
- char const* str;
- char const* end;
- bool ok = value.getString(&str, &end);
- if (ok) pushValue(valueToQuotedStringN(str, static_cast<unsigned>(end-str)));
- else pushValue("");
- break;
- }
- case booleanValue:
- pushValue(valueToString(value.asBool()));
- break;
- case arrayValue:
- writeArrayValue(value);
- break;
- case objectValue: {
- Value::Members members(value.getMemberNames());
- if (members.empty())
- pushValue("{}");
- else {
- writeWithIndent("{");
- indent();
- Value::Members::iterator it = members.begin();
- for (;;) {
- const JSONCPP_STRING& name = *it;
- const Value& childValue = value[name];
- writeCommentBeforeValue(childValue);
- writeWithIndent(valueToQuotedString(name.c_str()));
- *document_ << " : ";
- writeValue(childValue);
- if (++it == members.end()) {
- writeCommentAfterValueOnSameLine(childValue);
- break;
- }
- *document_ << ",";
- writeCommentAfterValueOnSameLine(childValue);
- }
- unindent();
- writeWithIndent("}");
- }
- } break;
- }
-}
-
-void StyledStreamWriter::writeArrayValue(const Value& value) {
- unsigned size = value.size();
- if (size == 0)
- pushValue("[]");
- else {
- bool isArrayMultiLine = isMultineArray(value);
- if (isArrayMultiLine) {
- writeWithIndent("[");
- indent();
- bool hasChildValue = !childValues_.empty();
- unsigned index = 0;
- for (;;) {
- const Value& childValue = value[index];
- writeCommentBeforeValue(childValue);
- if (hasChildValue)
- writeWithIndent(childValues_[index]);
- else {
- if (!indented_) writeIndent();
- indented_ = true;
- writeValue(childValue);
- indented_ = false;
- }
- if (++index == size) {
- writeCommentAfterValueOnSameLine(childValue);
- break;
- }
- *document_ << ",";
- writeCommentAfterValueOnSameLine(childValue);
- }
- unindent();
- writeWithIndent("]");
- } else // output on a single line
- {
- assert(childValues_.size() == size);
- *document_ << "[ ";
- for (unsigned index = 0; index < size; ++index) {
- if (index > 0)
- *document_ << ", ";
- *document_ << childValues_[index];
- }
- *document_ << " ]";
- }
- }
-}
-
-bool StyledStreamWriter::isMultineArray(const Value& value) {
- ArrayIndex const size = value.size();
- bool isMultiLine = size * 3 >= rightMargin_;
- childValues_.clear();
- for (ArrayIndex index = 0; index < size && !isMultiLine; ++index) {
- const Value& childValue = value[index];
- isMultiLine = ((childValue.isArray() || childValue.isObject()) &&
- childValue.size() > 0);
- }
- if (!isMultiLine) // check if line length > max line length
- {
- childValues_.reserve(size);
- addChildValues_ = true;
- ArrayIndex lineLength = 4 + (size - 1) * 2; // '[ ' + ', '*n + ' ]'
- for (ArrayIndex index = 0; index < size; ++index) {
- if (hasCommentForValue(value[index])) {
- isMultiLine = true;
- }
- writeValue(value[index]);
- lineLength += static_cast<ArrayIndex>(childValues_[index].length());
- }
- addChildValues_ = false;
- isMultiLine = isMultiLine || lineLength >= rightMargin_;
- }
- return isMultiLine;
-}
-
-void StyledStreamWriter::pushValue(const JSONCPP_STRING& value) {
- if (addChildValues_)
- childValues_.push_back(value);
- else
- *document_ << value;
-}
-
-void StyledStreamWriter::writeIndent() {
- // blep intended this to look at the so-far-written string
- // to determine whether we are already indented, but
- // with a stream we cannot do that. So we rely on some saved state.
- // The caller checks indented_.
- *document_ << '\n' << indentString_;
-}
-
-void StyledStreamWriter::writeWithIndent(const JSONCPP_STRING& value) {
- if (!indented_) writeIndent();
- *document_ << value;
- indented_ = false;
-}
-
-void StyledStreamWriter::indent() { indentString_ += indentation_; }
-
-void StyledStreamWriter::unindent() {
- assert(indentString_.size() >= indentation_.size());
- indentString_.resize(indentString_.size() - indentation_.size());
-}
-
-void StyledStreamWriter::writeCommentBeforeValue(const Value& root) {
- if (!root.hasComment(commentBefore))
- return;
-
- if (!indented_) writeIndent();
- const JSONCPP_STRING& comment = root.getComment(commentBefore);
- JSONCPP_STRING::const_iterator iter = comment.begin();
- while (iter != comment.end()) {
- *document_ << *iter;
- if (*iter == '\n' &&
- (iter != comment.end() && *(iter + 1) == '/'))
- // writeIndent(); // would include newline
- *document_ << indentString_;
- ++iter;
- }
- indented_ = false;
-}
-
-void StyledStreamWriter::writeCommentAfterValueOnSameLine(const Value& root) {
- if (root.hasComment(commentAfterOnSameLine))
- *document_ << ' ' << root.getComment(commentAfterOnSameLine);
-
- if (root.hasComment(commentAfter)) {
- writeIndent();
- *document_ << root.getComment(commentAfter);
- }
- indented_ = false;
-}
-
-bool StyledStreamWriter::hasCommentForValue(const Value& value) {
- return value.hasComment(commentBefore) ||
- value.hasComment(commentAfterOnSameLine) ||
- value.hasComment(commentAfter);
-}
-
-//////////////////////////
-// BuiltStyledStreamWriter
-
-/// Scoped enums are not available until C++11.
-struct CommentStyle {
- /// Decide whether to write comments.
- enum Enum {
- None, ///< Drop all comments.
- Most, ///< Recover odd behavior of previous versions (not implemented yet).
- All ///< Keep all comments.
- };
-};
-
-struct BuiltStyledStreamWriter : public StreamWriter
-{
- BuiltStyledStreamWriter(
- JSONCPP_STRING const& indentation,
- CommentStyle::Enum cs,
- JSONCPP_STRING const& colonSymbol,
- JSONCPP_STRING const& nullSymbol,
- JSONCPP_STRING const& endingLineFeedSymbol,
- bool useSpecialFloats,
- unsigned int precision);
- int write(Value const& root, JSONCPP_OSTREAM* sout) JSONCPP_OVERRIDE;
-private:
- void writeValue(Value const& value);
- void writeArrayValue(Value const& value);
- bool isMultineArray(Value const& value);
- void pushValue(JSONCPP_STRING const& value);
- void writeIndent();
- void writeWithIndent(JSONCPP_STRING const& value);
- void indent();
- void unindent();
- void writeCommentBeforeValue(Value const& root);
- void writeCommentAfterValueOnSameLine(Value const& root);
- static bool hasCommentForValue(const Value& value);
-
- typedef std::vector<JSONCPP_STRING> ChildValues;
-
- ChildValues childValues_;
- JSONCPP_STRING indentString_;
- unsigned int rightMargin_;
- JSONCPP_STRING indentation_;
- CommentStyle::Enum cs_;
- JSONCPP_STRING colonSymbol_;
- JSONCPP_STRING nullSymbol_;
- JSONCPP_STRING endingLineFeedSymbol_;
- bool addChildValues_ : 1;
- bool indented_ : 1;
- bool useSpecialFloats_ : 1;
- unsigned int precision_;
-};
-BuiltStyledStreamWriter::BuiltStyledStreamWriter(
- JSONCPP_STRING const& indentation,
- CommentStyle::Enum cs,
- JSONCPP_STRING const& colonSymbol,
- JSONCPP_STRING const& nullSymbol,
- JSONCPP_STRING const& endingLineFeedSymbol,
- bool useSpecialFloats,
- unsigned int precision)
- : rightMargin_(74)
- , indentation_(indentation)
- , cs_(cs)
- , colonSymbol_(colonSymbol)
- , nullSymbol_(nullSymbol)
- , endingLineFeedSymbol_(endingLineFeedSymbol)
- , addChildValues_(false)
- , indented_(false)
- , useSpecialFloats_(useSpecialFloats)
- , precision_(precision)
-{
-}
-int BuiltStyledStreamWriter::write(Value const& root, JSONCPP_OSTREAM* sout)
-{
- sout_ = sout;
- addChildValues_ = false;
- indented_ = true;
- indentString_ = "";
- writeCommentBeforeValue(root);
- if (!indented_) writeIndent();
- indented_ = true;
- writeValue(root);
- writeCommentAfterValueOnSameLine(root);
- *sout_ << endingLineFeedSymbol_;
- sout_ = NULL;
- return 0;
-}
-void BuiltStyledStreamWriter::writeValue(Value const& value) {
- switch (value.type()) {
- case nullValue:
- pushValue(nullSymbol_);
- break;
- case intValue:
- pushValue(valueToString(value.asLargestInt()));
- break;
- case uintValue:
- pushValue(valueToString(value.asLargestUInt()));
- break;
- case realValue:
- pushValue(valueToString(value.asDouble(), useSpecialFloats_, precision_));
- break;
- case stringValue:
- {
- // Is NULL is possible for value.string_?
- char const* str;
- char const* end;
- bool ok = value.getString(&str, &end);
- if (ok) pushValue(valueToQuotedStringN(str, static_cast<unsigned>(end-str)));
- else pushValue("");
- break;
- }
- case booleanValue:
- pushValue(valueToString(value.asBool()));
- break;
- case arrayValue:
- writeArrayValue(value);
- break;
- case objectValue: {
- Value::Members members(value.getMemberNames());
- if (members.empty())
- pushValue("{}");
- else {
- writeWithIndent("{");
- indent();
- Value::Members::iterator it = members.begin();
- for (;;) {
- JSONCPP_STRING const& name = *it;
- Value const& childValue = value[name];
- writeCommentBeforeValue(childValue);
- writeWithIndent(valueToQuotedStringN(name.data(), static_cast<unsigned>(name.length())));
- *sout_ << colonSymbol_;
- writeValue(childValue);
- if (++it == members.end()) {
- writeCommentAfterValueOnSameLine(childValue);
- break;
- }
- *sout_ << ",";
- writeCommentAfterValueOnSameLine(childValue);
- }
- unindent();
- writeWithIndent("}");
- }
- } break;
- }
-}
-
-void BuiltStyledStreamWriter::writeArrayValue(Value const& value) {
- unsigned size = value.size();
- if (size == 0)
- pushValue("[]");
- else {
- bool isMultiLine = (cs_ == CommentStyle::All) || isMultineArray(value);
- if (isMultiLine) {
- writeWithIndent("[");
- indent();
- bool hasChildValue = !childValues_.empty();
- unsigned index = 0;
- for (;;) {
- Value const& childValue = value[index];
- writeCommentBeforeValue(childValue);
- if (hasChildValue)
- writeWithIndent(childValues_[index]);
- else {
- if (!indented_) writeIndent();
- indented_ = true;
- writeValue(childValue);
- indented_ = false;
- }
- if (++index == size) {
- writeCommentAfterValueOnSameLine(childValue);
- break;
- }
- *sout_ << ",";
- writeCommentAfterValueOnSameLine(childValue);
- }
- unindent();
- writeWithIndent("]");
- } else // output on a single line
- {
- assert(childValues_.size() == size);
- *sout_ << "[";
- if (!indentation_.empty()) *sout_ << " ";
- for (unsigned index = 0; index < size; ++index) {
- if (index > 0)
- *sout_ << ", ";
- *sout_ << childValues_[index];
- }
- if (!indentation_.empty()) *sout_ << " ";
- *sout_ << "]";
- }
- }
-}
-
-bool BuiltStyledStreamWriter::isMultineArray(Value const& value) {
- ArrayIndex const size = value.size();
- bool isMultiLine = size * 3 >= rightMargin_;
- childValues_.clear();
- for (ArrayIndex index = 0; index < size && !isMultiLine; ++index) {
- Value const& childValue = value[index];
- isMultiLine = ((childValue.isArray() || childValue.isObject()) &&
- childValue.size() > 0);
- }
- if (!isMultiLine) // check if line length > max line length
- {
- childValues_.reserve(size);
- addChildValues_ = true;
- ArrayIndex lineLength = 4 + (size - 1) * 2; // '[ ' + ', '*n + ' ]'
- for (ArrayIndex index = 0; index < size; ++index) {
- if (hasCommentForValue(value[index])) {
- isMultiLine = true;
- }
- writeValue(value[index]);
- lineLength += static_cast<ArrayIndex>(childValues_[index].length());
- }
- addChildValues_ = false;
- isMultiLine = isMultiLine || lineLength >= rightMargin_;
- }
- return isMultiLine;
-}
-
-void BuiltStyledStreamWriter::pushValue(JSONCPP_STRING const& value) {
- if (addChildValues_)
- childValues_.push_back(value);
- else
- *sout_ << value;
-}
-
-void BuiltStyledStreamWriter::writeIndent() {
- // blep intended this to look at the so-far-written string
- // to determine whether we are already indented, but
- // with a stream we cannot do that. So we rely on some saved state.
- // The caller checks indented_.
-
- if (!indentation_.empty()) {
- // In this case, drop newlines too.
- *sout_ << '\n' << indentString_;
- }
-}
-
-void BuiltStyledStreamWriter::writeWithIndent(JSONCPP_STRING const& value) {
- if (!indented_) writeIndent();
- *sout_ << value;
- indented_ = false;
-}
-
-void BuiltStyledStreamWriter::indent() { indentString_ += indentation_; }
-
-void BuiltStyledStreamWriter::unindent() {
- assert(indentString_.size() >= indentation_.size());
- indentString_.resize(indentString_.size() - indentation_.size());
-}
-
-void BuiltStyledStreamWriter::writeCommentBeforeValue(Value const& root) {
- if (cs_ == CommentStyle::None) return;
- if (!root.hasComment(commentBefore))
- return;
-
- if (!indented_) writeIndent();
- const JSONCPP_STRING& comment = root.getComment(commentBefore);
- JSONCPP_STRING::const_iterator iter = comment.begin();
- while (iter != comment.end()) {
- *sout_ << *iter;
- if (*iter == '\n' &&
- (iter != comment.end() && *(iter + 1) == '/'))
- // writeIndent(); // would write extra newline
- *sout_ << indentString_;
- ++iter;
- }
- indented_ = false;
-}
-
-void BuiltStyledStreamWriter::writeCommentAfterValueOnSameLine(Value const& root) {
- if (cs_ == CommentStyle::None) return;
- if (root.hasComment(commentAfterOnSameLine))
- *sout_ << " " + root.getComment(commentAfterOnSameLine);
-
- if (root.hasComment(commentAfter)) {
- writeIndent();
- *sout_ << root.getComment(commentAfter);
- }
-}
-
-// static
-bool BuiltStyledStreamWriter::hasCommentForValue(const Value& value) {
- return value.hasComment(commentBefore) ||
- value.hasComment(commentAfterOnSameLine) ||
- value.hasComment(commentAfter);
-}
-
-///////////////
-// StreamWriter
-
-StreamWriter::StreamWriter()
- : sout_(NULL)
-{
-}
-StreamWriter::~StreamWriter()
-{
-}
-StreamWriter::Factory::~Factory()
-{}
-StreamWriterBuilder::StreamWriterBuilder()
-{
- setDefaults(&settings_);
-}
-StreamWriterBuilder::~StreamWriterBuilder()
-{}
-StreamWriter* StreamWriterBuilder::newStreamWriter() const
-{
- JSONCPP_STRING indentation = settings_["indentation"].asString();
- JSONCPP_STRING cs_str = settings_["commentStyle"].asString();
- bool eyc = settings_["enableYAMLCompatibility"].asBool();
- bool dnp = settings_["dropNullPlaceholders"].asBool();
- bool usf = settings_["useSpecialFloats"].asBool();
- unsigned int pre = settings_["precision"].asUInt();
- CommentStyle::Enum cs = CommentStyle::All;
- if (cs_str == "All") {
- cs = CommentStyle::All;
- } else if (cs_str == "None") {
- cs = CommentStyle::None;
- } else {
- throwRuntimeError("commentStyle must be 'All' or 'None'");
- }
- JSONCPP_STRING colonSymbol = " : ";
- if (eyc) {
- colonSymbol = ": ";
- } else if (indentation.empty()) {
- colonSymbol = ":";
- }
- JSONCPP_STRING nullSymbol = "null";
- if (dnp) {
- nullSymbol = "";
- }
- if (pre > 17) pre = 17;
- JSONCPP_STRING endingLineFeedSymbol = "";
- return new BuiltStyledStreamWriter(
- indentation, cs,
- colonSymbol, nullSymbol, endingLineFeedSymbol, usf, pre);
-}
-static void getValidWriterKeys(std::set<JSONCPP_STRING>* valid_keys)
-{
- valid_keys->clear();
- valid_keys->insert("indentation");
- valid_keys->insert("commentStyle");
- valid_keys->insert("enableYAMLCompatibility");
- valid_keys->insert("dropNullPlaceholders");
- valid_keys->insert("useSpecialFloats");
- valid_keys->insert("precision");
-}
-bool StreamWriterBuilder::validate(Json::Value* invalid) const
-{
- Json::Value my_invalid;
- if (!invalid) invalid = &my_invalid; // so we do not need to test for NULL
- Json::Value& inv = *invalid;
- std::set<JSONCPP_STRING> valid_keys;
- getValidWriterKeys(&valid_keys);
- Value::Members keys = settings_.getMemberNames();
- size_t n = keys.size();
- for (size_t i = 0; i < n; ++i) {
- JSONCPP_STRING const& key = keys[i];
- if (valid_keys.find(key) == valid_keys.end()) {
- inv[key] = settings_[key];
- }
- }
- return 0u == inv.size();
-}
-Value& StreamWriterBuilder::operator[](JSONCPP_STRING key)
-{
- return settings_[key];
-}
-// static
-void StreamWriterBuilder::setDefaults(Json::Value* settings)
-{
- //! [StreamWriterBuilderDefaults]
- (*settings)["commentStyle"] = "All";
- (*settings)["indentation"] = "\t";
- (*settings)["enableYAMLCompatibility"] = false;
- (*settings)["dropNullPlaceholders"] = false;
- (*settings)["useSpecialFloats"] = false;
- (*settings)["precision"] = 17;
- //! [StreamWriterBuilderDefaults]
-}
-
-JSONCPP_STRING writeString(StreamWriter::Factory const& builder, Value const& root) {
- JSONCPP_OSTRINGSTREAM sout;
- StreamWriterPtr const writer(builder.newStreamWriter());
- writer->write(root, &sout);
- return sout.str();
-}
-
-JSONCPP_OSTREAM& operator<<(JSONCPP_OSTREAM& sout, Value const& root) {
- StreamWriterBuilder builder;
- StreamWriterPtr const writer(builder.newStreamWriter());
- writer->write(root, &sout);
- return sout;
-}
-
-} // namespace Json
-
-// //////////////////////////////////////////////////////////////////////
-// End of content of file: src/lib_json/json_writer.cpp
-// //////////////////////////////////////////////////////////////////////
-
-
-
-
-
--
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