Add QJson files.

src/webui/qjson/json_scanner.cpp

@@ -0,0 +1,82 @@
+/* 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;
+}
+
+