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/*
TextPattern.h
Declarations of data structures and functions for text pattern
manipulation for the ProjectManager application.
Copyright (C) 2005 Saso Kiselkov
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#import <Foundation/NSObject.h>
#import <Foundation/NSString.h>
typedef struct {
enum {
SingleCharacterTextPatternItem,
MultipleCharactersTextPatternItem,
AnyCharacterTextPatternItem,
BeginningOfWordTextPatternItem,
EndingOfWordTextPatternItem,
BeginningOfLineTextPatternItem,
EndingOfLineTextPatternItem
} type;
union {
unichar singleChar;
struct {
unichar * characters;
unsigned int nCharacters;
} multiChar;
} data;
unsigned int minCount, maxCount;
} TextPatternItem;
typedef struct {
NSString * string;
TextPatternItem ** items;
unsigned int nItems;
} TextPattern;
TextPattern *
CompileTextPattern (NSString * string);
void
FreeTextPattern (TextPattern * pattern);
static inline BOOL
TextPatternsEqual(TextPattern * pattern1, TextPattern * pattern2)
{
return [pattern1->string isEqualToString: pattern2->string];
}
unsigned int
CheckTextPatternPresenceInString(TextPattern * pattern,
unichar * string,
unsigned int stringLength,
unsigned int index);
unichar * PermissibleCharactersAtPatternBeginning(TextPattern * pattern);
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