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/*=========================================================================
Program: KWStyle - Kitware Style Checker
Module: kwsCheckLineLength.cxx
Copyright (c) Kitware, Inc. All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "kwsParser.h"
namespace kws {
/** Check the number of character per line */
bool Parser::CheckLineLength(unsigned long max,bool checkHeader)
{
m_TestsDone[LINE_LENGTH] = true;
char* val = new char[255];
sprintf(val,"Line Length = %ld max chars",max);
m_TestsDescription[LINE_LENGTH] = val;
delete [] val;
m_Positions.clear();
bool hasError = false;
size_t fileSize = 0;
// If we do not want to check the header
if(!checkHeader)
{
if(m_HeaderFilename.size()>0)
{
std::ifstream file;
file.open(m_HeaderFilename.c_str(), std::ios::binary | std::ios::in);
if(!file.is_open())
{
std::cout << "CheckLineLength() - Cannot open file: "
<< m_HeaderFilename << std::endl;
}
else
{
file.seekg(0,std::ios::end);
fileSize = file.tellg();
file.close();
}
}
else
{
// we look at the first '*/' in the file which indicated the end of the current header
// This assume that there is an header at some point
size_t endHeader = m_Buffer.find("*/",0);
if(endHeader != std::string::npos)
{
fileSize = endHeader;
}
}
}
size_t cc;
const char* inch = m_Buffer.c_str();
size_t inStrSize = m_Buffer.size();
long int line_start = 0;
long int line_end = 0;
long int line_count = 1;
m_Positions.push_back(0);
for ( cc = 0; cc < inStrSize; ++ cc )
{
if ( *inch == '\n' )
{
m_Positions.push_back(cc);
line_end = static_cast<long int>(cc);
long int line_length = line_end - line_start-1;
if(line_length > (long int)max && cc>fileSize)
{
Error error;
error.line = line_count;
error.line2 = error.line;
error.number = LINE_LENGTH;
error.description = "Line length exceed ";
char* localval = new char[10];
sprintf(localval,"%ld",line_length);
error.description += localval;
error.description += " (max=";
delete [] localval;
localval = new char[10];
sprintf(localval,"%ld",max);
error.description += localval;
error.description += ")";
delete [] localval;
m_ErrorList.push_back(error);
hasError = true;
}
line_start = static_cast<long int>(cc) + 1;
line_count ++;
}
inch ++;
}
m_Positions.push_back(cc);
return !hasError;
}
} // end namespace kws
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