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/**********************************************************************
** Copyright (C) 2000-2008 Trolltech ASA. All rights reserved.
**
** This file is part of TQt Linguist.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** Licensees holding valid TQt Commercial licenses may use this file in
** accordance with the TQt Commercial License Agreement provided with
** the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#include "proparser.h"
#include <tqdir.h>
#include <tqfile.h>
#include <tqfileinfo.h>
#include <tqregexp.h>
#include <tqstringlist.h>
#include <tqtextstream.h>
#ifdef TQ_OS_UNIX
#include <unistd.h>
#endif
#ifdef TQ_OS_WIN32
#define TQT_POPEN _popen
#else
#define TQT_POPEN popen
#endif
TQString loadFile( const TQString &fileName )
{
TQFile file( fileName );
if ( !file.open(IO_ReadOnly) ) {
fprintf( stderr, "error: Cannot load '%s': %s\n",
file.name().latin1(),
TQT_TQSTRING_OBJECT(file.errorString()).latin1() );
return TQString();
}
TQTextStream in( &file );
return in.read();
}
TQMap<TQString, TQString> proFileTagMap( const TQString& text )
{
TQString t = text;
TQMap<TQString, TQString> tagMap;
bool stillProcess = true; // If include() has a $$tag then we need to reprocess
while(stillProcess) {
/*
Strip any commments before we try to include. We
still need to do it after we include to make sure the
included file does not have comments
*/
t.replace( TQRegExp(TQString("#[^\n]*\n")), TQString(" ") );
/*
Process include() commands.
$$PWD is a special case so we have to change it while
we know where the included file is.
*/
TQRegExp callToInclude("include\\s*\\(\\s*([^()\\s]+)\\s*\\)");
int i = 0;
while ( (i = callToInclude.search(t, i)) != -1 ) {
bool doneWithVar = false;
TQString fileName = callToInclude.cap(1);
TQString after = fileName.replace("$$PWD", TQDir::currentDirPath());
if (!tagMap.isEmpty() && after.contains("$$")) {
TQRegExp var( "\\$\\$[({]?([a-zA-Z0-9_]+)[)}]?" );
int ii = 0;
while ((ii = after.find(var, ii)) != -1) {
if (tagMap.contains(var.cap(1))) {
after.replace(ii, var.cap(0).length(), tagMap[var.cap(1)]);
} else { // Couldn't find it
doneWithVar = true;
break;
}
}
}
if (doneWithVar || !after.contains("$$")) {
after = loadFile(after);
TQFileInfo fi(callToInclude.cap(1));
after.replace("$$PWD", fi.dirPath());
t.replace( i, callToInclude.matchedLength(), after );
}
i += after.length();
}
/*
Strip comments, merge lines ending with backslash, add
spaces around '=' and '+=', replace '\n' with ';', and
simplify white spaces.
*/
t.replace( TQRegExp(TQString("#[^\n]*\n")), TQString(" ") );
t.replace( TQRegExp(TQString("\\\\[^\n\\S]*\n")), TQString(" ") );
t.replace( "=", TQString(" = ") );
t.replace( "+ =", TQString(" += ") );
t.replace( "\n", TQString(";") );
t = t.simplifyWhiteSpace();
/*
Populate tagMap with 'key = value' entries.
*/
TQStringList lines = TQStringList::split( TQChar(';'), t );
TQStringList::Iterator line;
for ( line = lines.begin(); line != lines.end(); ++line ) {
TQStringList toks = TQStringList::split( TQChar(' '), *line );
if ( toks.count() >= 3 &&
(toks[1] == TQString("=") || toks[1] == TQString("+=")) ) {
TQString tag = toks.first();
int k = tag.findRev( TQChar(':') ); // as in 'unix:'
if ( k != -1 )
tag = tag.mid( k + 1 );
toks.remove( toks.begin() );
TQString action = toks.first();
toks.remove( toks.begin() );
if ( tagMap.contains(tag) ) {
if ( action == TQString("=") )
tagMap.replace( tag, toks.join(TQChar(' ')) );
else
tagMap[tag] += TQChar( ' ' ) + toks.join( TQChar(' ') );
} else {
tagMap[tag] = toks.join( TQChar(' ') );
}
}
}
/*
Expand $$variables within the 'value' part of a 'key = value'
pair.
*/
TQRegExp var( "\\$\\$[({]?([a-zA-Z0-9_]+)[)}]?" );
TQMap<TQString, TQString>::Iterator it;
for ( it = tagMap.begin(); it != tagMap.end(); ++it ) {
int i = 0;
while ( (i = var.search((*it), i)) != -1 ) {
int len = var.matchedLength();
TQString invocation = var.cap(1);
TQString after;
if ( invocation == "system" ) {
// skip system(); it will be handled in the next pass
++i;
} else {
if ( tagMap.contains(invocation) )
after = tagMap[invocation];
else if (invocation.lower() == "pwd")
after = TQDir::currentDirPath();
(*it).replace( i, len, after );
i += after.length();
}
}
}
/*
Execute system() calls.
*/
TQRegExp callToSystem( "\\$\\$system\\s*\\(([^()]*)\\)" );
for ( it = tagMap.begin(); it != tagMap.end(); ++it ) {
int i = 0;
while ( (i = callToSystem.search((*it), i)) != -1 ) {
/*
This code is stolen from qmake's project.cpp file.
Ideally we would use the same parser, so we wouldn't
have this code duplication.
*/
TQString after;
char buff[256];
FILE *proc = TQT_POPEN( TQT_TQSTRING_OBJECT(callToSystem.cap(1)).latin1(), "r" );
while ( proc && !feof(proc) ) {
int read_in = (int)fread( buff, 1, 255, proc );
if ( !read_in )
break;
for ( int i = 0; i < read_in; i++ ) {
if ( buff[i] == '\n' || buff[i] == '\t' )
buff[i] = ' ';
}
buff[read_in] = '\0';
after += buff;
}
(*it).replace( i, callToSystem.matchedLength(), after );
i += after.length();
}
}
stillProcess = callToInclude.search(t) != -1;
}
return tagMap;
}
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