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 *
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 *
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 */
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 */
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#import "RScriptEditorGlyphGenerator.h"
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#import "RScriptEditorGlyphGenerator.h"
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#import "RScriptEditorTypesetter.h"
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#import "RScriptEditorTypesetter.h"
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#import "RScriptEditorTextStorage.h"
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#import "RScriptEditorLayoutManager.h"
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#import "PreferenceKeys.h"
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#import "PreferenceKeys.h"
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static SEL _attrStrSel;
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static SEL _attrStrSel;
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static SEL _foldSel;
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static SEL _foldindSel;
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@implementation RScriptEditorGlyphGenerator
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@implementation RScriptEditorGlyphGenerator
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 + (void)initialize
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+ (void)initialize
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 {
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{
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 	if ([self class] == [RScriptEditorGlyphGenerator class]) {
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	if ([self class] == [RScriptEditorGlyphGenerator class]) {
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 		_attrStrSel = @selector(attributedString);
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		_attrStrSel = @selector(attributedString);
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		_foldSel    = @selector(foldedRangeAtIndex:);
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		_foldindSel = @selector(foldedForIndicatorAtIndex:);
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 	}
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	}
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 }
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}
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 - (id)init
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 {
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 	self = [super init];
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- (id)init
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{
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	self = [super init];
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 	if (self != nil) {
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	if (self != nil) {
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		_attrStrImp = [self methodForSelector:_attrStrSel];
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		_attrStrImp = [self methodForSelector:_attrStrSel];
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		nullGlyph = NSNullGlyph;
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		nullGlyph = NSNullGlyph;
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 	}
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	}
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 	return self;
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	return self;
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}
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- (void)dealloc{
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	if(theTextStorage) [theTextStorage release];
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	[super dealloc];
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}
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- (void)setTextStorage:(RScriptEditorTextStorage*)textStorage
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{
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	if(theTextStorage) [theTextStorage release];
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	theTextStorage = [textStorage retain];
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	_foldImp = [theTextStorage methodForSelector:_foldSel];
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	_foldindImp = [theTextStorage methodForSelector:_foldindSel];
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 }
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}
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- (void)generateGlyphsForGlyphStorage:(id <NSGlyphStorage>)glyphStorage desiredNumberOfCharacters:(NSUInteger)nChars glyphIndex:(NSUInteger *)glyphIndex characterIndex:(NSUInteger *)charIndex
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- (void)generateGlyphsForGlyphStorage:(id <NSGlyphStorage>)glyphStorage desiredNumberOfCharacters:(NSUInteger)nChars glyphIndex:(NSUInteger *)glyphIndex characterIndex:(NSUInteger *)charIndex
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{
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{
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	// Stash the original requester
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	// Stash the original requester
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	_destination = glyphStorage;
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	_destination = glyphStorage;
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// NSGlyphStorage interface
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// NSGlyphStorage interface
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- (void)insertGlyphs:(const NSGlyph *)glyphs length:(NSUInteger)length forStartingGlyphAtIndex:(NSUInteger)glyphIndex characterIndex:(NSUInteger)charIndex
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- (void)insertGlyphs:(const NSGlyph *)glyphs length:(NSUInteger)length forStartingGlyphAtIndex:(NSUInteger)glyphIndex characterIndex:(NSUInteger)charIndex
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{
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{
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	NSGlyph *buffer = NULL;
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	NSGlyph *buffer = NULL;
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	id attribute;
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	NSInteger folded = (NSInteger)(*_foldindImp)(theTextStorage, _foldSel, charIndex);
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	// <SPEED>
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	if (folded > -1) {
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	attribute = [(*_attrStrImp)(self, _attrStrSel) attribute:foldingAttributeName atIndex:charIndex effectiveRange:NULL];
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		NSRange effectiveRange = [theTextStorage foldedRangeAtIndex:folded];
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	if (attribute && [attribute boolValue]) {
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		NSRange effectiveRange;
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		if(effectiveRange.length) {
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		(void)[(*_attrStrImp)(self, _attrStrSel) attribute:foldingAttributeName atIndex:charIndex longestEffectiveRange:&effectiveRange inRange:NSMakeRange(0, charIndex + length)];
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		NSInteger size = sizeof(NSGlyph) * length;
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			NSInteger size = sizeof(NSGlyph) * length;
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		buffer = NSZoneMalloc(NULL, size);
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			buffer = NSZoneMalloc(NULL, size);
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		memset_pattern4(buffer, &nullGlyph, size);
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			memset_pattern4(buffer, &nullGlyph, size);
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		if (effectiveRange.location == charIndex) buffer[0] = NSControlGlyph;
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			if ((effectiveRange.location+1) == charIndex) buffer[0] = NSControlGlyph;
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		glyphs = buffer;
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			glyphs = buffer;
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		} else {
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			NSBeep();
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		}
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	}
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	}
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	[_destination insertGlyphs:glyphs length:length forStartingGlyphAtIndex:glyphIndex characterIndex:charIndex];
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	[_destination insertGlyphs:glyphs length:length forStartingGlyphAtIndex:glyphIndex characterIndex:charIndex];
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	if (buffer) NSZoneFree(NULL, buffer);
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	if (buffer) NSZoneFree(NULL, buffer);