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@@ -1,892 +0,0 @@
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-#include <json/reader.h>
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-#include <json/value.h>
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-#include <utility>
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-#include <cstdio>
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-#include <cassert>
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-#include <cstring>
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-#include <iostream>
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-#include <stdexcept>
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-
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-#if _MSC_VER >= 1400 // VC++ 8.0
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-#pragma warning( disable : 4996 ) // disable warning about strdup being deprecated.
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-#endif
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-
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-namespace Json {
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-
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-// QNX is strict about declaring C symbols in the std namespace.
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-#ifdef __QNXNTO__
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-using std::memcpy;
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-using std::sprintf;
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-using std::sscanf;
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-#endif
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-
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-// Implementation of class Features
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-// ////////////////////////////////
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-
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-Features::Features()
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- : allowComments_( true )
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- , strictRoot_( false )
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-{
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-}
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-
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-
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-Features
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-Features::all()
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-{
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- return Features();
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-}
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-
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-
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-Features
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-Features::strictMode()
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-{
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- Features features;
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- features.allowComments_ = false;
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- features.strictRoot_ = true;
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- return features;
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-}
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-
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-// Implementation of class Reader
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-// ////////////////////////////////
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-
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-
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-static inline bool
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-in( Reader::Char c, Reader::Char c1, Reader::Char c2, Reader::Char c3, Reader::Char c4 )
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-{
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- return c == c1 || c == c2 || c == c3 || c == c4;
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-}
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-
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-static inline bool
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-in( Reader::Char c, Reader::Char c1, Reader::Char c2, Reader::Char c3, Reader::Char c4, Reader::Char c5 )
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-{
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- return c == c1 || c == c2 || c == c3 || c == c4 || c == c5;
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-}
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-
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-
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-static bool
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-containsNewLine( Reader::Location begin,
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- Reader::Location end )
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-{
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- for ( ;begin < end; ++begin )
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- if ( *begin == '\n' || *begin == '\r' )
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- return true;
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- return false;
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-}
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-
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-static std::string codePointToUTF8(unsigned int cp)
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-{
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- std::string result;
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-
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- // based on description from http://en.wikipedia.org/wiki/UTF-8
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-
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- if (cp <= 0x7f)
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- {
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- result.resize(1);
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- result[0] = static_cast<char>(cp);
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- }
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- else if (cp <= 0x7FF)
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- {
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- result.resize(2);
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- result[1] = static_cast<char>(0x80 | (0x3f & cp));
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- result[0] = static_cast<char>(0xC0 | (0x1f & (cp >> 6)));
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- }
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- else if (cp <= 0xFFFF)
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- {
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- result.resize(3);
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- result[2] = static_cast<char>(0x80 | (0x3f & cp));
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- result[1] = 0x80 | static_cast<char>((0x3f & (cp >> 6)));
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- result[0] = 0xE0 | static_cast<char>((0xf & (cp >> 12)));
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- }
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- else if (cp <= 0x10FFFF)
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- {
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- result.resize(4);
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- result[3] = static_cast<char>(0x80 | (0x3f & cp));
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- result[2] = static_cast<char>(0x80 | (0x3f & (cp >> 6)));
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- result[1] = static_cast<char>(0x80 | (0x3f & (cp >> 12)));
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- result[0] = static_cast<char>(0xF0 | (0x7 & (cp >> 18)));
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- }
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-
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- return result;
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-}
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-
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-
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-// Class Reader
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-// //////////////////////////////////////////////////////////////////
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-
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-Reader::Reader()
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- : features_( Features::all() )
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-{
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-}
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-
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-
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-Reader::Reader( const Features &features )
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- : features_( features )
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-{
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-}
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-
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-
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-bool
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-Reader::parse( const std::string &document,
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- Value &root,
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- bool collectComments )
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-{
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- document_ = document;
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- const char *begin = document_.c_str();
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- const char *end = begin + document_.length();
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- return parse( begin, end, root, collectComments );
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-}
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-
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-
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-bool
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-Reader::parse( std::istream& sin,
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- Value &root,
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- bool collectComments )
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-{
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- //std::istream_iterator<char> begin(sin);
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- //std::istream_iterator<char> end;
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- // Those would allow streamed input from a file, if parse() were a
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- // template function.
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-
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- // Since std::string is reference-counted, this at least does not
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- // create an extra copy.
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- std::string doc;
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- std::getline(sin, doc, (char)EOF);
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- return parse( doc, root, collectComments );
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-}
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-
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-bool
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-Reader::parse( const char *beginDoc, const char *endDoc,
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- Value &root,
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- bool collectComments )
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-{
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- if ( !features_.allowComments_ )
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- {
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- collectComments = false;
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- }
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-
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- begin_ = beginDoc;
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- end_ = endDoc;
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- collectComments_ = collectComments;
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- current_ = begin_;
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- lastValueEnd_ = 0;
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- lastValue_ = 0;
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- commentsBefore_ = "";
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- errors_.clear();
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- while ( !nodes_.empty() )
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- nodes_.pop();
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- nodes_.push( &root );
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-
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- bool successful = readValue();
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- Token token;
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- skipCommentTokens( token );
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- if ( collectComments_ && !commentsBefore_.empty() )
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- root.setComment( commentsBefore_, commentAfter );
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- if ( features_.strictRoot_ )
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- {
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- if ( !root.isArray() && !root.isObject() )
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- {
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- // Set error location to start of doc, ideally should be first token found in doc
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- token.type_ = tokenError;
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- token.start_ = beginDoc;
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- token.end_ = endDoc;
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- addError( "A valid JSON document must be either an array or an object value.",
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- token );
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- return false;
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- }
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- }
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- return successful;
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-}
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-
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-
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-bool
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-Reader::readValue()
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-{
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- Token token;
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- skipCommentTokens( token );
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- bool successful = true;
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-
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- if ( collectComments_ && !commentsBefore_.empty() )
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- {
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- currentValue().setComment( commentsBefore_, commentBefore );
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- commentsBefore_ = "";
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- }
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-
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-
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- switch ( token.type_ )
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- {
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- case tokenObjectBegin:
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- successful = readObject( token );
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- break;
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- case tokenArrayBegin:
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- successful = readArray( token );
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- break;
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- case tokenNumber:
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- successful = decodeNumber( token );
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- break;
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- case tokenString:
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- successful = decodeString( token );
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- break;
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- case tokenTrue:
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- currentValue() = true;
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- break;
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- case tokenFalse:
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- currentValue() = false;
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- break;
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- case tokenNull:
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- currentValue() = Value();
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- break;
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- default:
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- return addError( "Syntax error: value, object or array expected.", token );
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- }
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-
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- if ( collectComments_ )
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- {
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- lastValueEnd_ = current_;
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- lastValue_ = ¤tValue();
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- }
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-
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- return successful;
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-}
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-
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-
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-void
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-Reader::skipCommentTokens( Token &token )
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-{
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- if ( features_.allowComments_ )
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- {
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- do
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- {
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- readToken( token );
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- }
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- while ( token.type_ == tokenComment );
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- }
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- else
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- {
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- readToken( token );
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- }
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-}
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-
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-
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-bool
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-Reader::expectToken( TokenType type, Token &token, const char *message )
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-{
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- readToken( token );
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- if ( token.type_ != type )
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- return addError( message, token );
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- return true;
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-}
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-
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-
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-bool
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-Reader::readToken( Token &token )
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-{
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- skipSpaces();
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- token.start_ = current_;
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- Char c = getNextChar();
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- bool ok = true;
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- switch ( c )
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- {
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- case '{':
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- token.type_ = tokenObjectBegin;
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- break;
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- case '}':
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- token.type_ = tokenObjectEnd;
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- break;
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- case '[':
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- token.type_ = tokenArrayBegin;
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- break;
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- case ']':
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- token.type_ = tokenArrayEnd;
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- break;
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- case '"':
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- token.type_ = tokenString;
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- ok = readString();
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- break;
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- case '/':
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- token.type_ = tokenComment;
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- ok = readComment();
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- break;
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- case '0':
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- case '1':
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- case '2':
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- case '3':
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- case '4':
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- case '5':
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- case '6':
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- case '7':
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- case '8':
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- case '9':
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- case '-':
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- token.type_ = tokenNumber;
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- readNumber();
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- break;
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- case 't':
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- token.type_ = tokenTrue;
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- ok = match( "rue", 3 );
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- break;
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- case 'f':
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- token.type_ = tokenFalse;
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- ok = match( "alse", 4 );
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- break;
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- case 'n':
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- token.type_ = tokenNull;
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- ok = match( "ull", 3 );
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- break;
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- case ',':
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- token.type_ = tokenArraySeparator;
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- break;
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- case ':':
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- token.type_ = tokenMemberSeparator;
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- break;
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- case 0:
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- token.type_ = tokenEndOfStream;
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- break;
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- default:
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- ok = false;
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- break;
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- }
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- if ( !ok )
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- token.type_ = tokenError;
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- token.end_ = current_;
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- return true;
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-}
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-
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-
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-void
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-Reader::skipSpaces()
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-{
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- while ( current_ != end_ )
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- {
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- Char c = *current_;
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- if ( c == ' ' || c == '\t' || c == '\r' || c == '\n' )
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- ++current_;
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- else
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- break;
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- }
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-}
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-
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-
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-bool
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-Reader::match( Location pattern,
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- int patternLength )
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-{
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- if ( end_ - current_ < patternLength )
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- return false;
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- int index = patternLength;
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- while ( index-- )
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- if ( current_[index] != pattern[index] )
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- return false;
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- current_ += patternLength;
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- return true;
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-}
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-
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-
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-bool
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-Reader::readComment()
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-{
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- Location commentBegin = current_ - 1;
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- Char c = getNextChar();
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- bool successful = false;
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- if ( c == '*' )
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- successful = readCStyleComment();
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- else if ( c == '/' )
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- successful = readCppStyleComment();
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- if ( !successful )
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- return false;
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-
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- if ( collectComments_ )
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- {
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- CommentPlacement placement = commentBefore;
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- if ( lastValueEnd_ && !containsNewLine( lastValueEnd_, commentBegin ) )
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- {
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- if ( c != '*' || !containsNewLine( commentBegin, current_ ) )
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- placement = commentAfterOnSameLine;
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- }
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-
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- addComment( commentBegin, current_, placement );
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- }
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- return true;
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-}
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-
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-
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-void
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-Reader::addComment( Location begin,
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- Location end,
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- CommentPlacement placement )
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-{
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- assert( collectComments_ );
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- if ( placement == commentAfterOnSameLine )
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- {
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- assert( lastValue_ != 0 );
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- lastValue_->setComment( std::string( begin, end ), placement );
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- }
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- else
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- {
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- if ( !commentsBefore_.empty() )
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- commentsBefore_ += "\n";
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- commentsBefore_ += std::string( begin, end );
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- }
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-}
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-
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-
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-bool
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-Reader::readCStyleComment()
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-{
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- while ( current_ != end_ )
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- {
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- Char c = getNextChar();
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- if ( c == '*' && *current_ == '/' )
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- break;
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- }
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- return getNextChar() == '/';
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-}
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-
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-
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-bool
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-Reader::readCppStyleComment()
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-{
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- while ( current_ != end_ )
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- {
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- Char c = getNextChar();
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- if ( c == '\r' || c == '\n' )
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- break;
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- }
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- return true;
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-}
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-
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-
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-void
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-Reader::readNumber()
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-{
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- while ( current_ != end_ )
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- {
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- if ( !(*current_ >= '0' && *current_ <= '9') &&
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- !in( *current_, '.', 'e', 'E', '+', '-' ) )
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- break;
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- ++current_;
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- }
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-}
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-
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-bool
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-Reader::readString()
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-{
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- Char c = 0;
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- while ( current_ != end_ )
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- {
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- c = getNextChar();
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- if ( c == '\\' )
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- getNextChar();
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- else if ( c == '"' )
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- break;
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- }
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- return c == '"';
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|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-bool
|
|
|
-Reader::readObject( Token &tokenStart )
|
|
|
-{
|
|
|
- Token tokenName;
|
|
|
- std::string name;
|
|
|
- currentValue() = Value( objectValue );
|
|
|
- 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;
|
|
|
- if ( tokenName.type_ != tokenString )
|
|
|
- break;
|
|
|
-
|
|
|
- name = "";
|
|
|
- if ( !decodeString( tokenName, name ) )
|
|
|
- return recoverFromError( tokenObjectEnd );
|
|
|
-
|
|
|
- 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 )
|
|
|
-{
|
|
|
- currentValue() = Value( arrayValue );
|
|
|
- skipSpaces();
|
|
|
- if ( *current_ == ']' ) // empty array
|
|
|
- {
|
|
|
- Token endArray;
|
|
|
- readToken( endArray );
|
|
|
- return true;
|
|
|
- }
|
|
|
- int index = 0;
|
|
|
- while ( true )
|
|
|
- {
|
|
|
- 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 )
|
|
|
-{
|
|
|
- bool isDouble = false;
|
|
|
- for ( Location inspect = token.start_; inspect != token.end_; ++inspect )
|
|
|
- {
|
|
|
- isDouble = isDouble
|
|
|
- || in( *inspect, '.', 'e', 'E', '+' )
|
|
|
- || ( *inspect == '-' && inspect != token.start_ );
|
|
|
- }
|
|
|
- if ( isDouble )
|
|
|
- return decodeDouble( token );
|
|
|
- Location current = token.start_;
|
|
|
- bool isNegative = *current == '-';
|
|
|
- if ( isNegative )
|
|
|
- ++current;
|
|
|
- Value::UInt threshold = (isNegative ? Value::UInt(-Value::minInt)
|
|
|
- : Value::maxUInt) / 10;
|
|
|
- Value::UInt value = 0;
|
|
|
- while ( current < token.end_ )
|
|
|
- {
|
|
|
- Char c = *current++;
|
|
|
- if ( c < '0' || c > '9' )
|
|
|
- return addError( "'" + std::string( token.start_, token.end_ ) + "' is not a number.", token );
|
|
|
- if ( value >= threshold )
|
|
|
- return decodeDouble( token );
|
|
|
- value = value * 10 + Value::UInt(c - '0');
|
|
|
- }
|
|
|
- if ( isNegative )
|
|
|
- currentValue() = -Value::Int( value );
|
|
|
- else if ( value <= Value::UInt(Value::maxInt) )
|
|
|
- currentValue() = Value::Int( value );
|
|
|
- else
|
|
|
- currentValue() = value;
|
|
|
- return true;
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-bool
|
|
|
-Reader::decodeDouble( Token &token )
|
|
|
-{
|
|
|
- double value = 0;
|
|
|
- const int bufferSize = 32;
|
|
|
- int count;
|
|
|
- int length = int(token.end_ - token.start_);
|
|
|
- if ( length <= bufferSize )
|
|
|
- {
|
|
|
- Char buffer[bufferSize];
|
|
|
- memcpy( buffer, token.start_, length );
|
|
|
- buffer[length] = 0;
|
|
|
- count = sscanf( buffer, "%lf", &value );
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- std::string buffer( token.start_, token.end_ );
|
|
|
- count = sscanf( buffer.c_str(), "%lf", &value );
|
|
|
- }
|
|
|
-
|
|
|
- if ( count != 1 )
|
|
|
- return addError( "'" + std::string( token.start_, token.end_ ) + "' is not a number.", token );
|
|
|
- currentValue() = value;
|
|
|
- return true;
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-bool
|
|
|
-Reader::decodeString( Token &token )
|
|
|
-{
|
|
|
- std::string decoded;
|
|
|
- if ( !decodeString( token, decoded ) )
|
|
|
- return false;
|
|
|
- currentValue() = decoded;
|
|
|
- return true;
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-bool
|
|
|
-Reader::decodeString( Token &token, std::string &decoded )
|
|
|
-{
|
|
|
- decoded.reserve( 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 ¤t,
|
|
|
- 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 ¤t,
|
|
|
- Location end,
|
|
|
- unsigned int &unicode )
|
|
|
-{
|
|
|
- if ( end - current < 4 )
|
|
|
- return addError( "Bad unicode escape sequence in string: four digits expected.", token, current );
|
|
|
- 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 );
|
|
|
- }
|
|
|
- return true;
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-bool
|
|
|
-Reader::addError( const std::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 )
|
|
|
-{
|
|
|
- int errorCount = int(errors_.size());
|
|
|
- Token skip;
|
|
|
- while ( true )
|
|
|
- {
|
|
|
- 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 std::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;
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-std::string
|
|
|
-Reader::getLocationLineAndColumn( Location location ) const
|
|
|
-{
|
|
|
- int line, column;
|
|
|
- getLocationLineAndColumn( location, line, column );
|
|
|
- char buffer[18+16+16+1];
|
|
|
- sprintf( buffer, "Line %d, Column %d", line, column );
|
|
|
- return buffer;
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-std::string
|
|
|
-Reader::getFormatedErrorMessages() const
|
|
|
-{
|
|
|
- std::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::istream& operator>>( std::istream &sin, Value &root )
|
|
|
-{
|
|
|
- Json::Reader reader;
|
|
|
- bool ok = reader.parse(sin, root, true);
|
|
|
- //JSON_ASSERT( ok );
|
|
|
- if (!ok) throw std::runtime_error(reader.getFormatedErrorMessages());
|
|
|
- return sin;
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-} // namespace Json
|