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//
// $Id$
//
// Implementation of QaQtLanguage class
//
// Jan Borsodi <jb@ez.no>
// Created on: <06-Sep-2000 18:19:51 amos>
//
// Copyright (C) Jan Borsodi. All rights reserved.
#include "qaqtlanguage.hpp"
#include <qregexp.h>
/*! \file qaqtlanguage.cpp
Implementation of QaQtLanguage class
*/
/*!
\class QaQtLanguage qaqtlanguage.hpp
\brief
\author <a href="mailto:jb@ez.no">Jan Borsodi</a>
\date Enter current date here
*/
/*!
Default constructor
*/
QaQtLanguage::QaQtLanguage()
: QaRegExpLanguage()
{
}
/*!
Destroys the object
*/
QaQtLanguage::~QaQtLanguage()
{
}
/*!
Converts the RegExp to a plain form, that is without special \'s etc..
*/
QString QaQtLanguage::fromPlainText( const QString &s, bool code, MatchType type )
{
QRegExp num_reg1( "^[0-9]+$" );
QRegExp num_reg2( "^[0-9]+,$" );
QRegExp num_reg3( "^[0-9]+,[0-9]+$" );
QRegExp num_reg4( "^,[0-9]+$" );
QString str;
int i = 0;
// int subexpr = 0;
bool bracket = false;
bool negated = false;
int bracket_start = -1;
int bracket_end = -1;
// ( i = s.find( "\\",i ) ) != -1 )
for ( i = 0; i < (int)s.length(); i++ )
{
QChar c2 = s.at( i );
if ( bracket )
{
if ( c2 == ']' )
{
bracket = false;
negated = false;
str += c2;
bracket_end = str.length();
}
else if ( c2 == '^' )
{
negated = true;
str += c2;
}
else if ( c2 == '"' && code )
{
str += "\\";
str += c2;
}
else if ( c2 == '\\' )
{
i++;
if ( i < (int)s.length() )
{
QChar c = s.at( i );
if ( c == "t" )
str += "\\\\t";
else if ( c == "n" )
str += "\\\\n";
else if ( c == "r" )
str += "\\\\r";
else if ( c == "f" )
str += "\\\\f";
else if ( c == "d" )
str += "\\\\d";
else if ( c == "D" )
{
if ( !negated )
{
negated = true;
str += "^";
}
str += "\\\\d";
}
else if ( c == "w" )
str += characters();
else if ( c == "W" )
{
if ( !negated )
{
negated = true;
str += "^";
}
str += characters();
}
else if ( c == 'c' )
str += nonCapitalCharacters();
else if ( c == 'C' )
str += capitalCharacters();
else if ( c == 'i' )
str += wordCharacters();
else if ( c == "s" )
str += "\\\\s";
else if ( c == "S" )
{
if ( !negated )
{
negated = true;
str += "^";
}
str += "\\\\s";
}
else if ( c == "]" )
str += "\\\\]";
else if ( c == "\\" )
str += "\\\\";
else
{
str += c2;
str += c;
}
}
else
str += c2;
}
else
str += c2;
}
else
{
if ( c2 == '[' )
{
bracket = true;
negated = false;
bracket_start = str.length();
str += c2;
}
else if ( c2 == '{' )
{
++i;
int end = s.find( '}', i );
if ( end != -1 )
{
if ( end > i )
{
QString s_tmp = s.mid( i, end - i );
if ( num_reg1.match( s_tmp ) == 0 ) // Match {a}
{
int val = s_tmp.toInt();
if ( bracket_start >= 0 && bracket_end >= 0 && bracket_end >= bracket_start )
{
if ( val == 0 )
{
str = str.mid( 0, bracket_start );
}
else
{
for ( int cnt = 1; cnt < val; ++cnt )
str += str.mid( bracket_start, bracket_end - bracket_start );
}
}
i = end;
}
else if ( num_reg2.match( s_tmp ) == 0 ) // Match {a,}
{
int val = s_tmp.mid( 0, s_tmp.length() - 1 ).toInt();
if ( bracket_start >= 0 && bracket_end >= 0 && bracket_end >= bracket_start )
{
if ( val == 0 )
{
str += "*";
}
else if ( val == 1 )
{
str += "+";
}
else
{
for ( int cnt = 2; cnt < val; ++cnt )
str += str.mid( bracket_start, bracket_end - bracket_start );
str += str.mid( bracket_start, bracket_end - bracket_start );
str += "+";
}
}
i = end;
}
else if ( num_reg3.match( s_tmp ) == 0 ) // Match {a,b}
{
int comma_place = s_tmp.find( ',', 0 );
int min_val = s_tmp.mid( 0, comma_place ).toInt();
int max_val = s_tmp.mid( comma_place + 1 ).toInt();
if ( min_val == 0 )
str += "?";
if ( bracket_start >= 0 && bracket_end >= 0 && bracket_end >= bracket_start )
{
for ( int cnt = 1; cnt < min_val; ++cnt )
str += str.mid( bracket_start, bracket_end - bracket_start );
for ( int cnt = min_val; cnt < max_val; ++cnt )
str += str.mid( bracket_start, bracket_end - bracket_start ) + "?";
}
i = end;
}
else if ( num_reg4.match( s_tmp ) == 0 ) // Match {,b}
{
int comma_place = s_tmp.find( ',', 0 );
int max_val = s_tmp.mid( comma_place + 1 ).toInt();
str += "?";
if ( bracket_start >= 0 && bracket_end >= 0 && bracket_end >= bracket_start )
{
for ( int cnt = 0; cnt < max_val - 1; ++cnt )
str += str.mid( bracket_start, bracket_end - bracket_start ) + "?";
}
i = end;
}
else // Match {}
{
str += "*";
--i;
}
}
else
{
str += "{}";
i = end;
}
}
else
{
str += "{";
--i;
}
}
// Qt doesn't support sub expressions yet so no need to check
// else if ( c2 == '(' )
// {
// subexpr = 1;
// bracket_start = str.length();
// }
else if ( c2 == '"' && code )
{
str += "\\";
str += c2;
}
else if ( c2 == '\\' )
{
bracket_start = str.length();
i++;
if ( i < (int)s.length() )
{
QChar c = s.at( i );
if ( c == 't' )
str += "\\\\t";
else if ( c == 'n' )
str += "\\\\n";
else if ( c == 'r' )
str += "\\\\r";
else if ( c == 'f' )
str += "\\\\f";
else if ( c == 'd' )
str += "\\\\d";
else if ( c == 'D' )
str += "[^\\\\d]";
else if ( c == 'w' )
str += QString( "[" ) + characters() + QString( "]" );
else if ( c == 'W' )
str += QString( "[^" ) + characters() + QString( "]" );
else if ( c == 'c' )
str += QString( "[" ) + nonCapitalCharacters() + QString( "]" );
else if ( c == 'C' )
str += QString( "[" ) + capitalCharacters() + QString( "]" );
else if ( c == 'i' )
str += QString( "[" ) + wordCharacters() + QString( "]" );
else if ( c == 'I' )
str += identifiers();
else if ( c == 's' )
str += "\\\\s";
else if ( c == 'S' )
str += "[^\\\\s]";
// else if ( c == "]" )
// str += "\\]";
else if ( c == '\\' )
str += "\\\\";
else
{
str += c2;
str += c2;
str += c;
}
bracket_end = str.length();
}
else
{
str += c2;
str += c2;
}
}
else
{
bracket_start = str.length();
str += c2;
bracket_end = str.length();
}
}
}
if ( code )
{
if ( type == QaRegExpLanguage::Multiple )
{
str = QString( ".match( \"%1\", 0 ) != -1 " ).arg( str );
}
else if ( type == QaRegExpLanguage::Multiple )
{
str = QString( ".match( \"%1\", 0 ) != -1 " ).arg( str );
}
else
{
str = QString( ".match( \"%1\", 0 ) != -1 " ).arg( str );
}
}
return str;
}
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