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** rights. These rights are described in the Nokia Qt LGPL Exception | |
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** | |
** GNU General Public License Usage | |
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****************************************************************************/ | |
/* | |
codechunk.cpp | |
*/ | |
#include <qregexp.h> | |
#include <qstringlist.h> | |
#include "codechunk.h" | |
QT_BEGIN_NAMESPACE | |
enum { Other, Alnum, Gizmo, Comma, LParen, RParen, RAngle, Colon }; | |
// entries 128 and above are Other | |
static const int charCategory[256] = { | |
Other, Other, Other, Other, Other, Other, Other, Other, | |
Other, Other, Other, Other, Other, Other, Other, Other, | |
Other, Other, Other, Other, Other, Other, Other, Other, | |
Other, Other, Other, Other, Other, Other, Other, Other, | |
// ! " # $ % & ' | |
Other, Other, Other, Other, Other, Gizmo, Gizmo, Other, | |
// ( ) * + , - . / | |
LParen, RParen, Gizmo, Gizmo, Comma, Other, Other, Gizmo, | |
// 0 1 2 3 4 5 6 7 | |
Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, | |
// 8 9 : ; < = > ? | |
Alnum, Alnum, Colon, Other, Other, Gizmo, RAngle, Gizmo, | |
// @ A B C D E F G | |
Other, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, | |
// H I J K L M N O | |
Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, | |
// P Q R S T U V W | |
Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, | |
// X Y Z [ \ ] ^ _ | |
Alnum, Alnum, Alnum, Other, Other, Other, Gizmo, Alnum, | |
// ` a b c d e f g | |
Other, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, | |
// h i j k l m n o | |
Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, | |
// p q r s t u v w | |
Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, Alnum, | |
// x y z { | } ~ | |
Alnum, Alnum, Alnum, LParen, Gizmo, RParen, Other, Other | |
}; | |
static const bool needSpace[8][8] = { | |
/* [ a + , ( ) > : */ | |
/* [ */ { false, false, false, false, false, true, false, false }, | |
/* a */ { false, true, true, false, false, true, false, false }, | |
/* + */ { false, true, false, false, false, true, false, true }, | |
/* , */ { true, true, true, true, true, true, true, true }, | |
/* ( */ { true, true, true, false, true, false, true, true }, | |
/* ) */ { true, true, true, false, true, true, true, true }, | |
/* > */ { true, true, true, false, true, true, true, false }, | |
/* : */ { false, false, true, true, true, true, true, false } | |
}; | |
static int category( QChar ch ) | |
{ | |
return charCategory[(int)ch.toLatin1()]; | |
} | |
CodeChunk::CodeChunk() | |
: hotspot( -1 ) | |
{ | |
} | |
CodeChunk::CodeChunk( const QString& str ) | |
: s( str ), hotspot( -1 ) | |
{ | |
} | |
void CodeChunk::append( const QString& lexeme ) | |
{ | |
if ( !s.isEmpty() && !lexeme.isEmpty() ) { | |
/* | |
Should there be a space or not between the code chunk so far and the | |
new lexeme? | |
*/ | |
int cat1 = category(s.at(s.size() - 1)); | |
int cat2 = category(lexeme[0]); | |
if ( needSpace[cat1][cat2] ) | |
s += QLatin1Char( ' ' ); | |
} | |
s += lexeme; | |
} | |
void CodeChunk::appendHotspot() | |
{ | |
/* | |
The first hotspot is the right one. | |
*/ | |
if ( hotspot == -1 ) | |
hotspot = s.length(); | |
} | |
QString CodeChunk::toString() const | |
{ | |
return s; | |
} | |
QStringList CodeChunk::toPath() const | |
{ | |
QString t = s; | |
t.remove(QRegExp(QLatin1String("<([^<>]|<([^<>]|<[^<>]*>)*>)*>"))); | |
return t.split(QLatin1String("::")); | |
} | |
QT_END_NAMESPACE |