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219 lines
6.5 KiB
219 lines
6.5 KiB
/**********************************************************************
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** Copyright (C) 2000-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of TQt Linguist.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** Licensees holding valid TQt Commercial licenses may use this file in
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** accordance with the TQt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include "proparser.h"
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#include <ntqdir.h>
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#include <ntqfile.h>
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#include <ntqfileinfo.h>
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#include <ntqregexp.h>
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#include <ntqstringlist.h>
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#include <ntqtextstream.h>
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#ifdef Q_OS_UNIX
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#include <unistd.h>
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#endif
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#ifdef Q_OS_WIN32
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#define QT_POPEN _popen
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#else
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#define QT_POPEN popen
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#endif
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TQString loadFile( const TQString &fileName )
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{
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TQFile file( fileName );
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if ( !file.open(IO_ReadOnly) ) {
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fprintf( stderr, "error: Cannot load '%s': %s\n",
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file.name().latin1(),
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file.errorString().latin1() );
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return TQString();
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}
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TQTextStream in( &file );
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return in.read();
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}
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TQMap<TQString, TQString> proFileTagMap( const TQString& text )
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{
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TQString t = text;
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TQMap<TQString, TQString> tagMap;
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bool stillProcess = true; // If include() has a $$tag then we need to reprocess
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while(stillProcess) {
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/*
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Strip any commments before we try to include. We
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still need to do it after we include to make sure the
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included file does not have comments
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*/
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t.replace( TQRegExp(TQString("#[^\n]*\n")), TQString(" ") );
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/*
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Process include() commands.
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$$PWD is a special case so we have to change it while
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we know where the included file is.
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*/
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TQRegExp callToInclude("include\\s*\\(\\s*([^()\\s]+)\\s*\\)");
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int i = 0;
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while ( (i = callToInclude.search(t, i)) != -1 ) {
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bool doneWithVar = false;
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TQString fileName = callToInclude.cap(1);
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TQString after = fileName.replace("$$PWD", TQDir::currentDirPath());
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if (!tagMap.isEmpty() && after.contains("$$")) {
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TQRegExp var( "\\$\\$[({]?([a-zA-Z0-9_]+)[)}]?" );
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int ii = 0;
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while ((ii = after.find(var, ii)) != -1) {
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if (tagMap.contains(var.cap(1))) {
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after.replace(ii, var.cap(0).length(), tagMap[var.cap(1)]);
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} else { // Couldn't find it
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doneWithVar = true;
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break;
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}
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}
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}
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if (doneWithVar || !after.contains("$$")) {
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after = loadFile(after);
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TQFileInfo fi(callToInclude.cap(1));
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after.replace("$$PWD", fi.dirPath());
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t.replace( i, callToInclude.matchedLength(), after );
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}
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i += after.length();
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}
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/*
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Strip comments, merge lines ending with backslash, add
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spaces around '=' and '+=', replace '\n' with ';', and
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simplify white spaces.
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*/
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t.replace( TQRegExp(TQString("#[^\n]*\n")), TQString(" ") );
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t.replace( TQRegExp(TQString("\\\\[^\n\\S]*\n")), TQString(" ") );
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t.replace( "=", TQString(" = ") );
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t.replace( "+ =", TQString(" += ") );
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t.replace( "\n", TQString(";") );
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t = t.simplifyWhiteSpace();
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/*
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Populate tagMap with 'key = value' entries.
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*/
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TQStringList lines = TQStringList::split( TQChar(';'), t );
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TQStringList::Iterator line;
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for ( line = lines.begin(); line != lines.end(); ++line ) {
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TQStringList toks = TQStringList::split( TQChar(' '), *line );
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if ( toks.count() >= 3 &&
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(toks[1] == TQString("=") || toks[1] == TQString("+=")) ) {
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TQString tag = toks.first();
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int k = tag.findRev( TQChar(':') ); // as in 'unix:'
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if ( k != -1 )
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tag = tag.mid( k + 1 );
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toks.remove( toks.begin() );
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TQString action = toks.first();
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toks.remove( toks.begin() );
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if ( tagMap.contains(tag) ) {
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if ( action == TQString("=") )
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tagMap.replace( tag, toks.join(TQChar(' ')) );
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else
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tagMap[tag] += TQChar( ' ' ) + toks.join( TQChar(' ') );
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} else {
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tagMap[tag] = toks.join( TQChar(' ') );
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}
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}
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}
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/*
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Expand $$variables within the 'value' part of a 'key = value'
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pair.
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*/
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TQRegExp var( "\\$\\$[({]?([a-zA-Z0-9_]+)[)}]?" );
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TQMap<TQString, TQString>::Iterator it;
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for ( it = tagMap.begin(); it != tagMap.end(); ++it ) {
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int i = 0;
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while ( (i = var.search((*it), i)) != -1 ) {
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int len = var.matchedLength();
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TQString invocation = var.cap(1);
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TQString after;
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if ( invocation == "system" ) {
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// skip system(); it will be handled in the next pass
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++i;
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} else {
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if ( tagMap.contains(invocation) )
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after = tagMap[invocation];
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else if (invocation.lower() == "pwd")
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after = TQDir::currentDirPath();
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(*it).replace( i, len, after );
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i += after.length();
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}
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}
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}
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/*
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Execute system() calls.
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*/
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TQRegExp callToSystem( "\\$\\$system\\s*\\(([^()]*)\\)" );
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for ( it = tagMap.begin(); it != tagMap.end(); ++it ) {
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int i = 0;
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while ( (i = callToSystem.search((*it), i)) != -1 ) {
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/*
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This code is stolen from qmake's project.cpp file.
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Ideally we would use the same parser, so we wouldn't
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have this code duplication.
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*/
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TQString after;
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char buff[256];
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FILE *proc = QT_POPEN( callToSystem.cap(1).latin1(), "r" );
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while ( proc && !feof(proc) ) {
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int read_in = (int)fread( buff, 1, 255, proc );
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if ( !read_in )
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break;
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for ( int i = 0; i < read_in; i++ ) {
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if ( buff[i] == '\n' || buff[i] == '\t' )
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buff[i] = ' ';
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}
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buff[read_in] = '\0';
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after += buff;
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}
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pclose( proc );
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(*it).replace( i, callToSystem.matchedLength(), after );
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i += after.length();
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}
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}
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stillProcess = callToInclude.search(t) != -1;
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}
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return tagMap;
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}
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