CMake/Source/cmCommandArgumentParserHelp...

304 lines
7.0 KiB
C++
Raw Normal View History

2005-06-08 18:41:05 +04:00
/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html 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 "cmCommandArgumentParserHelper.h"
#include "cmSystemTools.h"
#include "cmCommandArgumentLexer.h"
#include "cmMakefile.h"
int cmCommandArgument_yyparse( yyscan_t yyscanner );
//
2005-06-08 18:41:05 +04:00
cmCommandArgumentParserHelper::cmCommandArgumentParserHelper()
{
2006-03-15 19:02:08 +03:00
this->FileLine = -1;
this->FileName = 0;
2005-06-13 18:00:59 +04:00
2006-03-15 19:02:08 +03:00
this->EmptyVariable[0] = 0;
strcpy(this->DCURLYVariable, "${");
strcpy(this->RCURLYVariable, "}");
strcpy(this->ATVariable, "@");
strcpy(this->DOLLARVariable, "$");
strcpy(this->LCURLYVariable, "{");
strcpy(this->BSLASHVariable, "\\");
2006-03-15 19:02:08 +03:00
this->NoEscapeMode = false;
2005-06-08 18:41:05 +04:00
}
cmCommandArgumentParserHelper::~cmCommandArgumentParserHelper()
{
this->CleanupParser();
}
void cmCommandArgumentParserHelper::SetLineFile(long line, const char* file)
{
2006-03-15 19:02:08 +03:00
this->FileLine = line;
this->FileName = file;
2005-06-08 18:41:05 +04:00
}
char* cmCommandArgumentParserHelper::AddString(const char* str)
{
if ( !str || !*str )
{
2006-03-15 19:02:08 +03:00
return this->EmptyVariable;
2005-06-08 18:41:05 +04:00
}
char* stVal = new char[strlen(str)+1];
strcpy(stVal, str);
2006-03-15 19:02:08 +03:00
this->Variables.push_back(stVal);
2005-06-14 23:49:30 +04:00
return stVal;
2005-06-08 18:41:05 +04:00
}
char* cmCommandArgumentParserHelper::ExpandSpecialVariable(const char* key, const char* var)
{
if ( !key )
{
return this->ExpandVariable(var);
}
if ( strcmp(key, "ENV") == 0 )
{
char *ptr = getenv(var);
if (ptr)
{
2006-03-15 19:02:08 +03:00
if (this->EscapeQuotes)
2005-06-08 18:41:05 +04:00
{
return this->AddString(cmSystemTools::EscapeQuotes(ptr).c_str());
}
else
{
return ptr;
}
}
2006-03-15 19:02:08 +03:00
return this->EmptyVariable;
2005-06-08 18:41:05 +04:00
}
cmSystemTools::Error("Key ", key, " is not used yet. For now only $ENV{..} is allowed");
return 0;
}
char* cmCommandArgumentParserHelper::ExpandVariable(const char* var)
{
2006-03-15 19:02:08 +03:00
if(this->FileName && strcmp(var, "CMAKE_CURRENT_LIST_FILE") == 0)
2005-06-08 18:41:05 +04:00
{
2006-03-15 19:02:08 +03:00
return this->AddString(this->FileName);
2005-06-08 18:41:05 +04:00
}
2006-03-15 19:02:08 +03:00
else if(this->FileLine >= 0 && strcmp(var, "CMAKE_CURRENT_LIST_LINE") == 0)
2005-06-08 18:41:05 +04:00
{
cmOStringStream ostr;
2006-03-15 19:02:08 +03:00
ostr << this->FileLine;
2005-06-08 18:41:05 +04:00
return this->AddString(ostr.str().c_str());
}
2006-03-15 19:02:08 +03:00
const char* value = this->Makefile->GetDefinition(var);
if (this->EscapeQuotes && value)
2005-06-08 22:18:31 +04:00
{
return this->AddString(cmSystemTools::EscapeQuotes(value).c_str());
}
2005-06-08 18:41:05 +04:00
return this->AddString(value);
}
2005-06-13 18:11:44 +04:00
char* cmCommandArgumentParserHelper::CombineUnions(char* in1, char* in2)
2005-06-08 18:41:05 +04:00
{
2005-06-13 18:11:44 +04:00
if ( !in1 )
2005-06-08 18:41:05 +04:00
{
2005-06-13 18:11:44 +04:00
return in2;
2005-06-08 18:41:05 +04:00
}
2005-06-13 18:11:44 +04:00
else if ( !in2 )
2005-06-08 18:41:05 +04:00
{
2005-06-13 18:11:44 +04:00
return in1;
2005-06-08 18:41:05 +04:00
}
size_t len = strlen(in1) + strlen(in2) + 1;
2005-06-08 18:41:05 +04:00
char* out = new char [ len ];
2005-06-13 18:11:44 +04:00
strcpy(out, in1);
strcat(out, in2);
2006-03-15 19:02:08 +03:00
this->Variables.push_back(out);
2005-06-14 23:49:30 +04:00
return out;
2005-06-08 18:41:05 +04:00
}
void cmCommandArgumentParserHelper::AllocateParserType(cmCommandArgumentParserHelper::ParserType* pt,
const char* str, int len)
{
pt->str = 0;
if ( len == 0 )
{
len = (int)strlen(str);
2005-06-08 18:41:05 +04:00
}
if ( len == 0 )
{
return;
}
pt->str = new char[ len + 1 ];
strncpy(pt->str, str, len);
pt->str[len] = 0;
2006-03-15 19:02:08 +03:00
this->Variables.push_back(pt->str);
2005-06-08 18:41:05 +04:00
// std::cout << (void*) pt->str << " " << pt->str << " JPAllocateParserType" << std::endl;
}
bool cmCommandArgumentParserHelper::HandleEscapeSymbol(cmCommandArgumentParserHelper::ParserType* pt, char symbol)
{
2006-03-15 19:02:08 +03:00
if ( this->NoEscapeMode )
{
char buffer[3];
buffer[0] = '\\';
buffer[1] = symbol;
buffer[2] = 0;
this->AllocateParserType(pt, buffer, 2);
return true;
}
switch ( symbol )
{
case '\\':
case '"':
case ' ':
case '#':
case '(':
case ')':
case '$':
case '^':
this->AllocateParserType(pt, &symbol, 1);
break;
case ';':
this->AllocateParserType(pt, "\\;", 2);
break;
case 't':
this->AllocateParserType(pt, "\t", 1);
break;
case 'n':
this->AllocateParserType(pt, "\n", 1);
break;
case 'r':
this->AllocateParserType(pt, "\r", 1);
break;
case '0':
this->AllocateParserType(pt, "\0", 1);
break;
default:
char buffer[2];
buffer[0] = symbol;
buffer[1] = 0;
cmSystemTools::Error("Invalid escape sequence \\", buffer);
return false;
}
return true;
}
2005-06-08 18:41:05 +04:00
int cmCommandArgumentParserHelper::ParseString(const char* str, int verb)
{
if ( !str)
{
return 0;
}
//printf("Do some parsing: %s\n", str);
this->Verbose = verb;
this->InputBuffer = str;
this->InputBufferPos = 0;
this->CurrentLine = 0;
2006-03-15 19:02:08 +03:00
this->Result = "";
2005-06-08 18:41:05 +04:00
yyscan_t yyscanner;
cmCommandArgument_yylex_init(&yyscanner);
cmCommandArgument_yyset_extra(this, yyscanner);
int res = cmCommandArgument_yyparse(yyscanner);
cmCommandArgument_yylex_destroy(yyscanner);
if ( res != 0 )
{
2005-06-13 18:00:59 +04:00
//str << "CAL_Parser returned: " << res << std::endl;
//std::cerr << "When parsing: [" << str << "]" << std::endl;
2005-06-08 18:41:05 +04:00
return 0;
}
this->CleanupParser();
if ( Verbose )
{
2006-03-15 19:02:08 +03:00
std::cerr << "Expanding [" << str << "] produced: [" << this->Result.c_str() << "]" << std::endl;
2005-06-08 18:41:05 +04:00
}
return 1;
}
void cmCommandArgumentParserHelper::CleanupParser()
{
2005-06-14 23:49:30 +04:00
std::vector<char*>::iterator sit;
2006-03-15 19:02:08 +03:00
for ( sit = this->Variables.begin();
sit != this->Variables.end();
2005-06-08 18:41:05 +04:00
++ sit )
{
delete [] *sit;
}
2006-03-15 19:02:08 +03:00
this->Variables.erase(this->Variables.begin(), this->Variables.end());
2005-06-08 18:41:05 +04:00
}
int cmCommandArgumentParserHelper::LexInput(char* buf, int maxlen)
{
//std::cout << "JPLexInput ";
//std::cout.write(buf, maxlen);
//std::cout << std::endl;
if ( maxlen < 1 )
{
return 0;
}
if ( this->InputBufferPos < this->InputBuffer.size() )
{
buf[0] = this->InputBuffer[ this->InputBufferPos++ ];
if ( buf[0] == '\n' )
{
this->CurrentLine ++;
}
return(1);
}
else
{
buf[0] = '\n';
return( 0 );
}
}
2005-06-14 23:49:30 +04:00
2005-06-08 18:41:05 +04:00
void cmCommandArgumentParserHelper::Error(const char* str)
{
unsigned long pos = static_cast<unsigned long>(this->InputBufferPos);
2005-06-13 18:00:59 +04:00
//fprintf(stderr, "Argument Parser Error: %s (%lu / Line: %d)\n", str, pos, this->CurrentLine);
cmOStringStream ostr;
ostr << str << " (" << pos << ")";
/*
2005-06-08 18:41:05 +04:00
int cc;
std::cerr << "String: [";
for ( cc = 0; cc < 30 && *(this->InputBuffer.c_str() + this->InputBufferPos + cc);
cc ++ )
{
std::cerr << *(this->InputBuffer.c_str() + this->InputBufferPos + cc);
}
std::cerr << "]" << std::endl;
2005-06-13 18:00:59 +04:00
*/
2006-03-15 19:02:08 +03:00
this->ErrorString = ostr.str();
2005-06-08 18:41:05 +04:00
}
void cmCommandArgumentParserHelper::SetMakefile(const cmMakefile* mf)
{
2006-03-15 19:02:08 +03:00
this->Makefile = mf;
2005-06-08 18:41:05 +04:00
}
void cmCommandArgumentParserHelper::SetResult(const char* value)
{
if ( !value )
{
2006-03-15 19:02:08 +03:00
this->Result = "";
2005-06-08 18:41:05 +04:00
return;
}
2006-03-15 19:02:08 +03:00
this->Result = value;
2005-06-08 18:41:05 +04:00
}