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-rw-r--r--kdecore/kregexp.cpp210
1 files changed, 210 insertions, 0 deletions
diff --git a/kdecore/kregexp.cpp b/kdecore/kregexp.cpp
new file mode 100644
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--- /dev/null
+++ b/kdecore/kregexp.cpp
@@ -0,0 +1,210 @@
+/* This file is part of the KDE libraries
+ Copyright (c) 1999 Torben Weis <weis@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License version 2 as published by the Free Software Foundation.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#include <sys/types.h>
+
+#include <string.h>
+#include <assert.h>
+#include <stdlib.h>
+
+#include "kregexp.h"
+#include "kregpriv.h"
+#include "kdebug.h"
+
+KRegExpPrivate::KRegExpPrivate()
+{
+ m_bInit = false;
+
+ for ( int i = 0; i < 10; i++ )
+ m_strMatches[i] = 0L;
+}
+
+KRegExpPrivate::KRegExpPrivate( const char *_pattern, const char *_mode )
+{
+ m_bInit = false;
+
+ for ( int i = 0; i < 10; i++ )
+ m_strMatches[i] = 0L;
+
+ compile( _pattern, _mode );
+}
+
+KRegExpPrivate::~KRegExpPrivate()
+{
+ for ( int i = 0; i < 10; i++ )
+ if ( m_strMatches[i] )
+ free( m_strMatches[i] );
+
+ if ( m_bInit )
+ regfree( &m_pattern );
+}
+
+bool KRegExpPrivate::compile( const char *_pattern, const char *_mode )
+{
+ if ( m_bInit )
+ regfree( &m_pattern );
+
+ int res = regcomp( &m_pattern, _pattern, ( strchr( _mode, 'i' ) != 0L ? REG_ICASE : 0 ) | REG_EXTENDED );
+ if ( res == 0 )
+ m_bInit = true;
+
+ return ( res == 0 );
+}
+
+bool KRegExpPrivate::match( const char *_string )
+{
+ if ( !m_bInit )
+ {
+ kdDebug(128) << "You must compile a pattern before you can try to match it" << endl;
+ assert( 0 );
+ }
+
+ for ( int i = 0; i < 10; i++ )
+ {
+ m_matches[i].rm_so = -1;
+ m_matches[i].rm_eo = -1;
+ if ( m_strMatches[i] )
+ {
+ free( m_strMatches[i] );
+ m_strMatches[i] = 0L;
+ }
+ }
+
+ int res = regexec( &m_pattern, _string, 10, m_matches, 0 );
+ if ( res != 0 )
+ return false;
+
+ int slen = strlen( _string );
+
+ for ( int j = 0; j < 10; j++ )
+ {
+ if ( m_matches[j].rm_so >= 0 && m_matches[j].rm_eo >= 0 &&
+ m_matches[j].rm_so <= slen && m_matches[j].rm_eo <= slen &&
+ m_matches[j].rm_so <= m_matches[j].rm_eo )
+ {
+ int len = m_matches[j].rm_eo - m_matches[j].rm_so;
+ m_strMatches[j] = ( char* )malloc( len + 1 );
+ memcpy( m_strMatches[j], _string + m_matches[j].rm_so, len );
+ m_strMatches[j][ len ] = 0;
+ }
+ }
+
+ return true;
+}
+
+const char* KRegExpPrivate::group( int _grp )
+{
+ if ( _grp < 0 || _grp >= 10 )
+ {
+ kdDebug(128) << "You may only use a group in the range of 0..9" << endl;
+ assert( 0 );
+ }
+
+ return m_strMatches[ _grp ];
+}
+
+int KRegExpPrivate::groupStart( int _grp )
+{
+ if ( _grp < 0 || _grp >= 10 )
+ {
+ kdDebug(128) << "You may only use a group in the range of 0..9" << endl;
+ assert( 0 );
+ }
+
+ return m_matches[ _grp ].rm_so;
+}
+
+int KRegExpPrivate::groupEnd( int _grp )
+{
+ if ( _grp < 0 || _grp >= 10 )
+ {
+ kdDebug(128) << "You may only use a group in the range of 0..9" << endl;
+ assert( 0 );
+ }
+
+ return m_matches[ _grp ].rm_eo;
+}
+
+KRegExp::KRegExp()
+{
+ m_pPrivate = new KRegExpPrivate;
+}
+
+KRegExp::KRegExp( const char *_pattern, const char *_mode)
+{
+ m_pPrivate = new KRegExpPrivate( _pattern, _mode );
+}
+
+KRegExp::~KRegExp()
+{
+ delete m_pPrivate;
+}
+
+bool KRegExp::compile( const char *_pattern, const char *_mode)
+{
+ return m_pPrivate->compile( _pattern, _mode );
+}
+
+bool KRegExp::match( const char *_string )
+{
+ return m_pPrivate->match( _string );
+}
+
+const char* KRegExp::group( int _grp )
+{
+ return m_pPrivate->group( _grp );
+}
+
+int KRegExp::groupStart( int _grp )
+{
+ return m_pPrivate->groupStart( _grp );
+}
+
+int KRegExp::groupEnd( int _grp )
+{
+ return m_pPrivate->groupEnd( _grp );
+}
+
+/*
+int main( int argc, char **argv )
+{
+ if ( argc != 3 )
+ assert( 0 );
+
+ KRegExp r( argv[1], "" );
+ cout << "Compiled" << endl;
+
+ if ( !r.match( argv[2] ) )
+ {
+ cerr << "Does not match" << endl;
+ return 0;
+ }
+
+ cout << "Match" << endl;
+
+ for( int i = 0; i < 10; i++ )
+ {
+ const char *c = r.group( i );
+ if ( !c )
+ return 0;
+ cout << "Group #" << i << ":" << c << endl;
+ }
+
+ return 0;
+}
+*/