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RTFD additions
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@5295 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald
parent
1f970025e3
commit
bcd000cc52
2 changed files with 299 additions and 0 deletions
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@ -1,3 +1,8 @@
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Thu Nov 26 20:16:00 1999 Richard Frith-Macdonald <richard@brainstorm.co.uk>
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* Source/NSAttributedString.m: Added and rewrote RTFD additions
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contributed by Daniel Bðhringer.
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Thu Nov 25 18:59:34 1999 Nicola Pero <n.pero@mi.flashnet.it>
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* Source/NSControl.m ([-setIntValue:]), ([-setFloatValue:]),
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@ -1,6 +1,9 @@
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#include <AppKit/NSAttributedString.h>
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#include <AppKit/NSParagraphStyle.h>
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#include <AppKit/NSTextAttachment.h>
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#include <AppKit/NSFont.h>
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#include <Foundation/NSString.h>
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#include <Foundation/NSRange.h>
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/*
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* function to return a character set containing characters that
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@ -565,3 +568,294 @@ documentAttributes: (NSDictionary**)dict
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}
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}
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@end
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/* AttributedStringRTFDAdditions.m created by daniel on Wed 24-Nov-1999 */
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@interface NSString (Replacing)
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- (NSString*) stringByReplacingEveryOccurrenceOfString: (NSString*)aString
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withString: (NSString*)other;
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@end
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@implementation NSString (Replacing)
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- (NSString*) stringByReplacingEveryOccurrenceOfString: (NSString*)aString
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withString: (NSString*)other
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{
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unsigned len = [self length];
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NSMutableString *erg = [NSMutableString string];
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NSRange currRange = [self rangeOfString: aString];
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unsigned prevLocation = 0;
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while (currRange.length > 0)
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{
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if (currRange.location > 0)
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{
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NSRange r;
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r = NSMakeRange(prevLocation, currRange.location - prevLocation);
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[erg appendString: [self substringWithRange: r]];
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}
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[erg appendString: other];
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currRange.location += currRange.length;
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currRange.length = len - currRange.location;
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prevLocation = currRange.location;
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currRange = [self rangeOfString: aString
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options: NSLiteralSearch
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range: currRange];
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}
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if (prevLocation < len)
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{
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NSRange r;
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r = NSMakeRange(prevLocation, len - prevLocation);
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[erg appendString: [self substringWithRange: r]];
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}
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return erg;
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}
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@end
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@implementation NSAttributedString(AttributedStringRTFDAdditions)
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- (NSString*) RTFHeaderStringWithContext: (NSMutableDictionary*) contextDict
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{
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NSMutableString *result;
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NSMutableDictionary *fontDict;
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result = (id)[NSMutableString stringWithString: @"{\\rtf0\\ansi"];
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fontDict = [contextDict objectForKey: @"Fonts"];
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// write Font Table
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if (fontDict != nil)
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{
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NSMutableString *fontlistString = [NSMutableString string];
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NSString *table;
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NSEnumerator *fontEnum;
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id currFont;
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NSArray *keyArray;
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keyArray = [fontDict allKeys];
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keyArray = [keyArray sortedArrayUsingSelector: @selector(compare:)];
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fontEnum = [keyArray objectEnumerator];
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while ((currFont = [fontEnum nextObject]) != nil)
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{
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NSString *fontFamily;
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NSString *detail;
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fontFamily = [[NSFont fontWithName: currFont size: 12] familyName];
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detail = [NSString stringWithFormat: @"%@\\f%@ %@;",
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[fontDict objectForKey: currFont], fontFamily, currFont];
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[fontlistString appendString: detail];
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}
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table = [NSString stringWithFormat: @"{\\fonttbl%@}\n", fontlistString];
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[result appendString: table];
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}
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return result;
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}
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- (NSString*) RTFTrailerStringWithContext: (NSMutableDictionary*) contextDict
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{
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return @"}";
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}
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- (NSString*) RTFBodyStringWithContext: (NSMutableDictionary*) contextDict
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{
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NSRange completeRange;
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NSRange currRange;
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NSString *string = [self string];
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NSMutableString *result = [NSMutableString string];
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NSFont *currentFont = nil;
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completeRange = NSRangeFromString([contextDict objectForKey: @"Range"]);
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currRange = NSMakeRange(completeRange.location, 0);
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while (NSMaxRange(currRange) < NSMaxRange(completeRange)) // save all "runs"
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{
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NSDictionary *attributes;
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NSString *substring;
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BOOL useBraces = NO;
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NSMutableString *headerString;
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NSMutableString *trailerString;
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NSEnumerator *attribEnum;
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id currAttrib;
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attributes = [self attributesAtIndex: NSMaxRange(currRange)
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longestEffectiveRange: &currRange
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inRange: completeRange];
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substring = [string substringWithRange: currRange];
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headerString = (id)[NSMutableString string];
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trailerString = (id)[NSMutableString string];
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/*
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* analyze attributes of current run
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*/
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attribEnum = [attributes keyEnumerator];
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while ((currAttrib = [attribEnum nextObject]) != nil)
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{
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/*
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* handle fonts
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*/
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if ([currAttrib isEqualToString: NSFontAttributeName])
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{
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NSFont *font;
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NSMutableDictionary *peekDict;
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NSString *fontToken;
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NSString *fontName;
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NSFontTraitMask traits;
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font = [attributes objectForKey: NSFontAttributeName];
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peekDict = [contextDict objectForKey: @"Fonts"];
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fontName = [font familyName];
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traits = [[NSFontManager sharedFontManager] traitsOfFont: font];
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/*
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* maintain a dictionary for the used fonts
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* (for rtf-header generation)
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*/
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if (peekDict == nil)
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{
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peekDict = [NSMutableDictionary dictionaryWithObjectsAndKeys:
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@"\\f0", fontName, nil];
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[contextDict setObject: peekDict forKey: @"Fonts"];
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}
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else
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{
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if ([peekDict objectForKey: fontName] == nil)
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{
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unsigned count = [peekDict count];
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NSString *fCount;
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fCount = [NSString stringWithFormat: @"\\f%d", count];
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[peekDict setObject: fCount forKey: fontName];
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}
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}
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fontToken = [peekDict objectForKey: fontName];
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/*
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* font name
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*/
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if (![fontName isEqualToString: [currentFont familyName]]
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|| currentFont == nil)
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{
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[headerString appendString: fontToken];
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}
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/*
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* font size
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*/
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if ([font pointSize] != [currentFont pointSize])
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{
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int points = (int)[font pointSize]*2;
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NSString *pString;
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pString = [NSString stringWithFormat: @"\\fs%d", points];
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[headerString appendString: pString];
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}
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/*
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* font attributes
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*/
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if (traits & NSItalicFontMask)
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{
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[headerString appendString: @"\n\\i "];
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}
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if (traits & NSBoldFontMask)
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{
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[headerString appendString: @"\n\\b "];
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[trailerString appendString: @"\n\\b0"];
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}
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currentFont = font;
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}
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else if ([currAttrib isEqualToString: NSParagraphStyleAttributeName])
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{
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}
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else if ([currAttrib isEqualToString: NSForegroundColorAttributeName])
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{
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}
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else if ([currAttrib isEqualToString: NSUnderlineStyleAttributeName])
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{
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}
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else if ([currAttrib isEqualToString: NSSuperscriptAttributeName])
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{
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}
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else if ([currAttrib isEqualToString: NSBackgroundColorAttributeName])
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{
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}
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else if ([currAttrib isEqualToString: NSAttachmentAttributeName])
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{
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}
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else if ([currAttrib isEqualToString: NSLigatureAttributeName])
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{
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}
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else if ([currAttrib isEqualToString: NSBaselineOffsetAttributeName])
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{
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}
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else if ([currAttrib isEqualToString: NSKernAttributeName])
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{
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}
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}
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// write down current run
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substring = [substring stringByReplacingString: @"\\"
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withString: @"\\\\"];
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substring = [substring stringByReplacingString: @"\n"
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withString: @"\\\n"];
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substring = [substring stringByReplacingString: @"{"
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withString: @"\\{"];
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substring = [substring stringByReplacingString: @"}"
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withString: @"\\}"];
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if (useBraces)
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{
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NSString *braces;
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braces = [NSString stringWithFormat: @"{%@%@%@}",
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headerString, substring, trailerString];
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[result appendString: braces];
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}
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else
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{
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NSString *nobraces;
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nobraces = [NSString stringWithFormat: @"%@%@%@",
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headerString, substring, trailerString];
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[result appendString: nobraces];
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}
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}
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return result;
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}
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- (NSString*) RTFDStringFromRange: (NSRange)range
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documentAttributes: (NSDictionary*)dict
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{
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NSMutableString *output = [NSMutableString string];
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NSString *headerString;
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NSString *trailerString;
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NSString *bodyString;
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NSMutableDictionary *context = [NSMutableDictionary dictionary];
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[context setObject: (dict ? dict : [NSMutableDictionary dictionary])
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forKey: @"DocumentAttributes"];
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[context setObject: NSStringFromRange(range) forKey: @"Range"];
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/*
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* do not change order! (esp. body has to be generated first; builds context)
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*/
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bodyString = [self RTFBodyStringWithContext: context];
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trailerString = [self RTFTrailerStringWithContext: context];
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headerString = [self RTFHeaderStringWithContext: context];
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[output appendString: headerString];
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[output appendString: bodyString];
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[output appendString: trailerString];
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return (NSString*)output;
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}
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- (NSData*) RTFDFromRange: (NSRange)range
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documentAttributes: (NSDictionary*)dict
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{
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return [[self RTFDStringFromRange: range documentAttributes: dict]
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dataUsingEncoding: NSNEXTSTEPStringEncoding];
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}
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@end
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