mirror of
https://github.com/gnustep/apps-projectcenter.git
synced 2025-02-22 19:31:56 +00:00
396f6b9751
related to editor handling. This is work in progress... Every PCProject component now has to conform to the ProjectComponent protocol. Syntax highlighting is disabled for now, this will undergo a major rewrite soon. Furthermore I separated the component handling stuff from the main class file and put it into PCProject+ComponentHandling. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/apps/projectcenter/trunk@12499 72102866-910b-0410-8b05-ffd578937521
423 lines
10 KiB
Objective-C
423 lines
10 KiB
Objective-C
/*
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GNUstep ProjectCenter - http://www.gnustep.org
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Copyright (C) 2001 Free Software Foundation
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Author: Philippe C.D. Robert <phr@3dkit.org>
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This file is part of GNUstep.
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This application is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This application is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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$Id$
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*/
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#import "PCEditorView.h"
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#import "PCEditor.h"
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#define COLOURISE 0
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#define SCANLOC [scanner scanLocation]
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@implementation PCEditorView
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static NSColor *commentColor = nil;
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static NSColor *keywordColor = nil;
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static NSColor *cppCommentColor = nil;
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static NSColor *stringColor = nil;
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static NSColor *cStringColor = nil;
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static NSFont *editorFont = nil;
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static BOOL isInitialised = NO;
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- (id)initWithFrame:(NSRect)frameRect textContainer:(NSTextContainer*)tc
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{
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if ((self = [super initWithFrame:frameRect textContainer:tc]))
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{
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shouldHighlight = NO;
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/*
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* Should move that to initialize...
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*/
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if (isInitialised == NO) {
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commentColor = [[NSColor colorWithCalibratedRed: 0.0 green: 0.5 blue: 0.0 alpha: 1.0] retain];
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cppCommentColor = [[NSColor colorWithCalibratedRed: 0.0 green: 0.5 blue: 0.0 alpha: 1.0] retain];
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keywordColor = [[NSColor colorWithCalibratedRed: 0.8 green: 0.0 blue: 0.0 alpha: 1.0] retain];
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stringColor = [[NSColor colorWithCalibratedRed: 0.0 green: 0.0 blue: 0.8 alpha: 1.0] retain];
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cStringColor = [[NSColor colorWithCalibratedRed: 0.0 green: 0.0 blue: 0.8 alpha: 1.0] retain];
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editorFont = [[NSFont userFixedPitchFontOfSize:12] retain];
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isInitialised = YES;
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}
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_keywords = [[NSArray alloc] initWithObjects:@"@class",
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@"@selector",
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@"#import",
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@"#include",
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@"#ifndef",
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@"#if defined",
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@"#define",
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@"#endif",
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@"#pragma",
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@"#warning",
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@"@interface",
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@"@implementation",
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@"@end",
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@"@protocol",
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nil];
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}
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return self;
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}
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- (void)dealloc
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{
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if (scanner)
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{
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[scanner release];
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}
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[_keywords release];
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[super dealloc];
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}
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- (void)setEditor:(PCEditor *)anEditor
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{
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editor = anEditor;
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}
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- (void)setString:(NSString *)aString
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{
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[scanner autorelease];
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scanner = [[NSScanner alloc] initWithString:aString];
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[super setString:aString];
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#ifdef COLOURISE
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if( shouldHighlight )
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{
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[self highlightText];
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}
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#endif //COLOURISE
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}
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- (BOOL)acceptsFirstMouse:(NSEvent *)theEvent
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{
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return YES;
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}
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- (void)setShouldHighlight:(BOOL)yn
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{
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shouldHighlight = yn;
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}
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- (BOOL)shouldHighlight
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{
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return shouldHighlight;
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}
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- (void)insertText:(id)aString
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{
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NSRange txtRange = NSMakeRange(0, [[self textStorage] length]);
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[super insertText:aString];
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if( shouldHighlight )
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{
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[[self textStorage] invalidateAttributesInRange:txtRange];
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[self highlightTextInRange:txtRange];
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}
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}
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- (void)highlightText
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{
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NSRange txtRange = NSMakeRange(0, [[self textStorage] length]);
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[self highlightTextInRange:txtRange];
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}
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- (void)highlightTextInRange:(NSRange)txtRange
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{
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NSDictionary *aDict;
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NSArray *keywords;
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aDict = [NSDictionary dictionaryWithObjectsAndKeys:
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editorFont, NSFontAttributeName,
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@"UnknownCodeType", @"PCCodeTypeAttributeName",
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nil];
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[_textStorage beginEditing];
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[_textStorage setAttributes:aDict range:txtRange];
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// Scan the CodeType first...
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[self colouriseKeywords:_keywords];
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[self colouriseStrings];
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[self colouriseCharStrings];
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[self colouriseComments];
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[self colouriseCPPComments];
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/*
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* BIG HACK!
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*/
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NS_DURING
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[_textStorage endEditing];
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NS_HANDLER
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NSLog(@"Excpetion: %@",[localException description]);
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NS_ENDHANDLER
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[self setNeedsDisplay:YES];
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}
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- (void)colouriseStrings
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{
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BOOL foundRange;
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id aDict = [NSDictionary dictionaryWithObjectsAndKeys:
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stringColor, NSForegroundColorAttributeName,
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@"StringConstantCodeType", @"PCCodeTypeAttributeName", nil ];
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[scanner setScanLocation:0];
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while( ![scanner isAtEnd] ) {
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foundRange = NO;
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[scanner scanUpToString:@"\"" intoString:NULL];
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range.location = SCANLOC;
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[scanner scanString:@"\"" intoString:NULL];
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if( ![scanner isAtEnd] &&
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range.location > 0 &&
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[[_textStorage string] characterAtIndex:(SCANLOC - 2)] == '@' ) {
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range.location -= 1;
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}
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while( ![scanner isAtEnd] ) {
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[scanner scanUpToString:@"\"" intoString:NULL];
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[scanner scanString:@"\"" intoString:NULL];
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// If there is no escape char before then we are done..
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if( [[scanner string] characterAtIndex:(SCANLOC - 2)] != '\\' ||
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[[scanner string] characterAtIndex:(SCANLOC - 3)] == '\\' ) {
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range.length = SCANLOC - range.location;
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foundRange = YES;
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break;
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}
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}
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if( foundRange ) {
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NS_DURING
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[_textStorage addAttributes:aDict range:range];
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NS_HANDLER
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NSLog(@"<%@ %x> raised (-scanForStrings):\n%@",[self class],self,[localException description]);
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NS_ENDHANDLER
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}
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}
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}
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- (void)colouriseCharStrings
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{
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NSRange tmpRange;
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BOOL foundRange;
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id aDict = [NSDictionary dictionaryWithObjectsAndKeys:
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cStringColor,NSForegroundColorAttributeName,
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@"StringConstantCodeType", @"PCCodeTypeAttributeName", nil ];
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[scanner setScanLocation:0];
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while( ![scanner isAtEnd] ) {
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foundRange = NO;
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[scanner scanUpToString:@"'" intoString:NULL];
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range.location = SCANLOC;
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[scanner scanString:@"'" intoString:NULL];
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while( ![scanner isAtEnd] ) {
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[scanner scanUpToString:@"'" intoString:NULL];
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[scanner scanString:@"'" intoString:NULL];
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// No escape => we are done! (ugly hack...)
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if( [[scanner string] characterAtIndex:(SCANLOC - 2)] != '\\' ||
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[[scanner string] characterAtIndex:(SCANLOC - 3)] == '\\' ) {
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range.length = SCANLOC - range.location;
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// Ranges are not longer than 8 chars! (ugly hack...)
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if( range.length > 8 ) {
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[scanner setScanLocation:SCANLOC - 1];
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}
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else {
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foundRange = YES;
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}
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break;
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}
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}
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if( foundRange ) {
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NS_DURING
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[_textStorage addAttributes:aDict range:range];
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NS_HANDLER
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NSLog(@"<%@ %x> raised (-colouriseCharStrings):\n%@",[self class],self,[localException description]);
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NS_ENDHANDLER
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}
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}
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}
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- (void)colouriseComments
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{
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NSRange tmpRange;
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BOOL foundRange;
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id anObject;
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id aDict = [NSDictionary dictionaryWithObjectsAndKeys:
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commentColor,NSForegroundColorAttributeName,
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@"CommentCodeType", @"PCCodeTypeAttributeName",
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nil ];
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[scanner setScanLocation:0];
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while( ![scanner isAtEnd] ) {
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foundRange = NO;
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while( ![scanner isAtEnd] ) {
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[scanner scanUpToString:@"/*" intoString:NULL];
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range.location = SCANLOC;
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[scanner scanString:@"/*" intoString:NULL];
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if(![scanner isAtEnd] &&
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[[_textStorage attribute:@"PCCodeTypeAttributeName"
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atIndex:range.location
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effectiveRange:&tmpRange] isEqual:@"UnknownCodeType"]){
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foundRange = YES;
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break;
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}
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}
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[scanner scanUpToString:@"*/" intoString:NULL];
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[scanner scanString:@"*/" intoString:NULL];
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range.length = SCANLOC - range.location;
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if( foundRange ) {
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NS_DURING
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/*
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* BIG HACK!!!
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*/
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if (range.location == 0) {range.location = 1;range.length--;}
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[_textStorage addAttributes:aDict range:range];
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NS_HANDLER
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NSLog(@"<%@ %x> raised (-colouriseComments):\n%@",[self class],self,[localException description]);
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NS_ENDHANDLER
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}
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}
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}
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- (void)colouriseCPPComments
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{
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NSRange tmpRange;
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BOOL foundRange;
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id anObject;
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id aDict = [NSDictionary dictionaryWithObjectsAndKeys:
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cppCommentColor, NSForegroundColorAttributeName,
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@"CommentCodeType", @"PCCodeTypeAttributeName", nil ];
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[scanner setScanLocation:0];
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while( ![scanner isAtEnd] ) {
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foundRange = NO;
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while( ![scanner isAtEnd] ) {
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[scanner scanUpToString:@"//" intoString:NULL];
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range.location = SCANLOC;
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[scanner scanString:@"//" intoString:NULL];
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if( ![scanner isAtEnd] &&
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[[_textStorage attribute:@"PCCodeTypeAttributeName"
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atIndex:range.location
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effectiveRange:&tmpRange] isEqual:@"UnknownCodeType"]){
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foundRange = YES;
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break;
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}
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}
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[scanner scanUpToString:@"\n" intoString:NULL];
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[scanner scanString:@"\n" intoString:NULL];
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range.length = SCANLOC - range.location;
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if( foundRange ) {
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NS_DURING
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[_textStorage addAttributes:aDict range:range];
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NS_HANDLER
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NSLog(@"<%@ %x> raised (-colouriseCPPComments):\n%@",[self class],self,[localException description]);
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NS_ENDHANDLER
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}
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}
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}
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- (void)colouriseKeyword:(NSString *)keyword
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{
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NSRange tmpRange;
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BOOL foundRange;
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id anObject;
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id keywordDict = [NSDictionary dictionaryWithObjectsAndKeys:
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keywordColor,NSForegroundColorAttributeName,
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@"KeywordCodeType", @"PCCodeTypeAttributeName", nil ];
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// First scan for docu style comments
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[scanner setScanLocation:0];
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while( ![scanner isAtEnd] ) {
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[scanner scanUpToString:keyword intoString:NULL];
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range.location = SCANLOC;
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if( ![scanner isAtEnd] &&
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[[_textStorage attribute:@"PCCodeTypeAttributeName"
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atIndex:range.location
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effectiveRange:&tmpRange] isEqual:@"UnknownCodeType"] ) {
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NS_DURING
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[_textStorage addAttributes:keywordDict range:NSMakeRange( range.location, [keyword length])];
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NS_HANDLER
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NSLog(@"<%@ %x> raised (-colouriseKeyword:):\n%@",[self class],self,[localException description]);
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NS_ENDHANDLER
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}
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[scanner scanString:keyword intoString:NULL];
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}
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}
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- (void)colouriseKeywords:(NSArray *)keywords
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{
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NSEnumerator *enumerator = [keywords objectEnumerator];
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id object;
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while ((object = [enumerator nextObject])) {
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[self colouriseKeyword:object];
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}
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}
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- (void)keyDown:(NSEvent *)anEvent
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{
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NSString *chars = [anEvent charactersIgnoringModifiers];
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int modifiers = [anEvent modifierFlags];
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if(([chars lossyCString][0] == 's') && (modifiers & NSCommandKeyMask))
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{
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[editor saveFile];
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return;
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}
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[super keyDown:anEvent];
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}
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@end
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