json_scanner.cpp
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/* This file is part of QJson
*
* Copyright (C) 2008 Flavio Castelli <flavio.castelli@gmail.com>
* Copyright (C) 2013 Silvio Moioli <silvio@moioli.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "json_scanner.cc"
#include "qjson_debug.h"
#include "json_scanner.h"
#include "json_parser.hh"
#include <ctype.h>
#include <QtCore/QDebug>
#include <QtCore/QRegExp>
#include <cassert>
JSonScanner::JSonScanner(QIODevice* io)
: m_allowSpecialNumbers(false),
m_io (io),
m_criticalError(false),
m_C_locale(QLocale::C)
{
}
JSonScanner::~JSonScanner()
{
}
void JSonScanner::allowSpecialNumbers(bool allow) {
m_allowSpecialNumbers = allow;
}
int JSonScanner::yylex(YYSTYPE* yylval, yy::location *yylloc) {
m_yylval = yylval;
m_yylloc = yylloc;
m_yylloc->step();
int result = yylex();
if (m_criticalError) {
return -1;
}
return result;
}
int JSonScanner::LexerInput(char* buf, int max_size) {
if (!m_io->isOpen()) {
qCritical() << "JSonScanner::yylex - io device is not open";
m_criticalError = true;
return 0;
}
int readBytes = m_io->read(buf, max_size);
if(readBytes < 0) {
qCritical() << "JSonScanner::yylex - error while reading from io device";
m_criticalError = true;
return 0;
}
return readBytes;
}