Files
cregit-mirror/tokenize/srcMLtoken/srcml2token.cpp
2017-04-07 23:47:03 -07:00

111 lines
3.4 KiB
C++

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// ---------------------------------------------------------------------------
// Includes
// ---------------------------------------------------------------------------
#include <xercesc/framework/StdInInputSource.hpp>
#include <xercesc/parsers/SAXParser.hpp>
#include "srcml2token.hpp"
#include <xercesc/util/OutOfMemoryException.hpp>
// ---------------------------------------------------------------------------
// Local helper methods
// ---------------------------------------------------------------------------
void usage()
{
XERCES_STD_QUALIFIER cout << "\nUsage:\n"
" srcml2token <XML file>\n\n"
"This program converts the output of srcML into a simplified tokenized version\n"
<< XERCES_STD_QUALIFIER endl;
}
// ---------------------------------------------------------------------------
// Program entry point
// ---------------------------------------------------------------------------
int main(int argC, char* argV[])
{
// Initialize the XML4C system
try
{
XMLPlatformUtils::Initialize();
}
catch (const XMLException& toCatch)
{
XERCES_STD_QUALIFIER cerr << "Error during initialization! Message:\n"
<< StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
return 1;
}
SAX2XMLReader* parser = XMLReaderFactory::createXMLReader();
srcml2tokenHandlers handler;
parser->setContentHandler(&handler);
parser->setErrorHandler(&handler);
int errorCount = 0;
// create a faux scope so that 'src' destructor is called before
// XMLPlatformUtils::Terminate
{
//
// Kick off the parse and catch any exceptions. Create a standard
// input input source and tell the parser to parse from that.
//
try
{
if (argC < 2) {
StdInInputSource src;
parser->parse(src);
} else {
parser->parse(argV[1]);
}
}
catch (const OutOfMemoryException&)
{
XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
errorCount = 2;
return 4;
}
catch (const XMLException& e)
{
XERCES_STD_QUALIFIER cerr << "\nError during parsing: \n"
<< StrX(e.getMessage())
<< "\n" << XERCES_STD_QUALIFIER endl;
errorCount = 1;
return 4;
}
}
//
// Delete the parser itself. Must be done prior to calling Terminate, below.
//
delete parser;
XMLPlatformUtils::Terminate();
if (errorCount > 0)
return 4;
else
return 0;
}