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/*=========================================================================
Program: KWStyle - Kitware Style Checker
Module: kwsCheckTypedefs.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 if the typedefs of the class are correct */
bool Parser::CheckTypedefs(const char* regEx, bool alignment,unsigned int maxLength)
{
if(alignment)
{
m_TestsDone[TYPEDEF_ALIGN] = true;
char* val = new char[255];
sprintf(val,"Typedefs should be aligned");
m_TestsDescription[TYPEDEF_ALIGN] = val;
delete [] val;
}
m_TestsDone[TYPEDEF_REGEX] = true;
m_TestsDescription[TYPEDEF_REGEX] = "Typedefs should match regular expression: ";
m_TestsDescription[TYPEDEF_REGEX] += regEx;
// First we need to find the typedefs
// typedef type MyTypeDef;
bool hasError = false;
kwssys::RegularExpression regex(regEx);
size_t previousline = 0;
size_t previouspos = 0;
size_t pos = 0;
while(pos!= std::string::npos)
{
size_t beg = 0;
size_t typedefpos = 0;
std::string var = this->FindTypedef(pos+1,m_BufferNoComment.size(),pos,beg,typedefpos);
if(var == "")
{
continue;
}
// Check the alignment if specified
if(alignment)
{
// Find the position in the line
size_t l = this->GetPositionInLine(beg);
size_t line = this->GetLineNumber(beg,true);
size_t typdefline = this->GetLineNumber(typedefpos,true);
// if the typedef is on a line close to the previous one we check
if(typdefline-previousline<2)
{
if(l!=previouspos)
{
bool reportError = true;
// We check that the previous line is not ending with a semicolon
// and that the sum of the two lines is more than maxLength
std::string previousLine = this->GetLine(this->GetLineNumber(beg,true)-2);
std::string currentLine = this->GetLine(this->GetLineNumber(beg,true)-1);
if( (previousLine[previousLine.size()-1] != ';')
&& (previousLine.size()+currentLine.size()>maxLength)
)
{
reportError = false;
}
// Check if the alignement is possible due to the length of the line
size_t size = currentLine.size()-l;
if(previouspos+size>maxLength)
{
previouspos = l;
reportError = false;
}
// This one is a bit tricky. Check the minimum
// typedef igstk::VascularNetworkObject VascularNetworkObjectType;
// typedef VascularNetworkObjectType::VesselObjectType VesselObjectType;
// First find the optimal position (one space) for the current line
size_t optimalCurrentLinePos = l;
while(optimalCurrentLinePos>1 && currentLine[optimalCurrentLinePos-1] == ' ')
{
optimalCurrentLinePos--;
}
optimalCurrentLinePos++;
// Second find the size of the previous typedefs;
size_t sizeTypedef = previousLine.size()-previouspos;
// if the size is too big we don't report
if(optimalCurrentLinePos+sizeTypedef>maxLength)
{
previouspos = l;
reportError = false;
}
if(reportError)
{
Error error;
error.line = this->GetLineNumber(beg,true);
error.line2 = error.line;
error.number = TYPEDEF_ALIGN;
error.description = "Type definition (" + var + ") is not aligned with the previous one: ";
char* localvar = new char[10];
sprintf(localvar,"%zd",l);
error.description += localvar;
error.description += " v.s. ";
sprintf(localvar,"%zd",previouspos);
error.description += localvar;
delete [] localvar;
m_ErrorList.push_back(error);
hasError = true;
}
}
}
else
{
previouspos = l;
}
previousline = line;
}
if(!regex.find(var))
{
Error error;
error.line = this->GetLineNumber(pos,true);
error.line2 = error.line;
error.number = TYPEDEF_REGEX;
error.description = "Type definition (" + var + ") doesn't match regular expression";
m_ErrorList.push_back(error);
hasError = true;
}
}
return !hasError;
}
/** Find a typedef in the source code */
std::string Parser::FindTypedef(size_t start, size_t end,size_t & pos,size_t & beg,size_t & typdefpos)
{
size_t posTypedef = m_BufferNoComment.find("typedef",start);
if(posTypedef == std::string::npos)
{
pos = std::string::npos;
return "";
}
typdefpos = posTypedef;
size_t posSemicolon = m_BufferNoComment.find(";",posTypedef);
// Check if we have any () in the subword then we don't check the typdef
std::string sub = m_BufferNoComment.substr(posTypedef,posSemicolon-posTypedef);
if((sub.find("(",0) != std::string::npos)
|| (sub.find(")",0) != std::string::npos)
|| (sub.find("{",0) != std::string::npos)
|| (sub.find("}",0) != std::string::npos)
)
{
pos = posSemicolon;
return "";
}
std::string typedefname = "";
if(posSemicolon != std::string::npos && posSemicolon<end)
{
// We try to find the word before that
size_t i=posSemicolon-1;
bool inWord = true;
bool first = false;
while(inWord)
{
if(m_BufferNoComment[i] != ' ')
{
std::string store = typedefname;
typedefname = m_BufferNoComment[i];
typedefname += store;
beg = i;
inWord = true;
first = true;
}
else // we have a space
{
if(first)
{
inWord = false;
}
}
i--;
}
}
pos = posSemicolon;
return typedefname;
}
} // end namespace kws
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