mirror of
https://github.com/gnustep/libs-base.git
synced 2025-05-30 08:21:25 +00:00
Patches submitted from May 20 to Aug 28 1997
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@2406 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Adam Fedor
parent
f0a72da206
commit
25afcc3594
119 changed files with 16409 additions and 1698 deletions
387
Source/NSGAttributedString.m
Normal file
387
Source/NSGAttributedString.m
Normal file
|
|
@ -0,0 +1,387 @@
|
|||
/*
|
||||
NSGAttributedString.m
|
||||
|
||||
Implementation of concrete subclass of a string class with attributes
|
||||
|
||||
Copyright (C) 1997 Free Software Foundation, Inc.
|
||||
|
||||
Written by: ANOQ of the sun <anoq@vip.cybercity.dk>
|
||||
Date: June 1997
|
||||
|
||||
This file is part of ...
|
||||
|
||||
This library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2 of the License, or (at your option) any later version.
|
||||
|
||||
This library 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
|
||||
Library General Public License for more details.
|
||||
|
||||
If you are interested in a warranty or support for this source code,
|
||||
contact Scott Christley <scottc@net-community.com> for more information.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free
|
||||
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#include <Foundation/NSAttributedString.h>
|
||||
#include <Foundation/NSException.h>
|
||||
#include <Foundation/NSValue.h>
|
||||
|
||||
@implementation NSGAttributedString
|
||||
|
||||
void _setAttributesFrom(
|
||||
NSAttributedString *attributedString,
|
||||
NSRange aRange,
|
||||
NSMutableArray *attributeArray,
|
||||
NSMutableArray *locateArray)
|
||||
{
|
||||
//always called immediately after -initWithString:attributes:
|
||||
NSRange effectiveRange;
|
||||
NSDictionary *attributeDict;
|
||||
|
||||
if(aRange.length <= 0)
|
||||
return;//No attributes
|
||||
|
||||
attributeDict = [attributedString attributesAtIndex:aRange.location
|
||||
effectiveRange:&effectiveRange];
|
||||
[attributeArray replaceObjectAtIndex:0 withObject:attributeDict];
|
||||
|
||||
while (NSMaxRange(effectiveRange) < NSMaxRange(aRange))
|
||||
{
|
||||
attributeDict =
|
||||
[attributedString attributesAtIndex:NSMaxRange(effectiveRange)
|
||||
effectiveRange:&effectiveRange];
|
||||
[attributeArray addObject:attributeDict];
|
||||
[locateArray addObject:
|
||||
[NSNumber numberWithUnsignedInt:effectiveRange.location-aRange.location]];
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
void _initWithString(
|
||||
NSString *aString,
|
||||
NSDictionary *attributes,
|
||||
NSString *textChars,
|
||||
NSMutableArray **attributeArray,
|
||||
NSMutableArray **locateArray)
|
||||
{
|
||||
if (aString)
|
||||
[textChars initWithString:aString];
|
||||
else
|
||||
[textChars init];
|
||||
*attributeArray = [[NSMutableArray alloc] init];
|
||||
*locateArray = [[NSMutableArray alloc] init];
|
||||
if(!attributes)
|
||||
attributes = [[[NSDictionary alloc] init] autorelease];
|
||||
[(*attributeArray) addObject:attributes];
|
||||
[(*locateArray) addObject:[NSNumber numberWithUnsignedInt:0]];
|
||||
}
|
||||
|
||||
NSDictionary *_attributesAtIndexEffectiveRange(
|
||||
unsigned int index,
|
||||
NSRange *aRange,
|
||||
unsigned int tmpLength,
|
||||
NSMutableArray *attributeArray,
|
||||
NSMutableArray *locateArray,
|
||||
unsigned int *foundIndex)
|
||||
{
|
||||
unsigned int low,high,used,cnt,foundLoc,nextLoc;
|
||||
NSDictionary *foundDict;
|
||||
|
||||
if(index<0 || index >= tmpLength)
|
||||
{
|
||||
[NSException raise:NSRangeException format:
|
||||
@"index is out of range in function _attributesAtIndexEffectiveRange()"];
|
||||
}
|
||||
|
||||
//Binary search for efficiency in huge attributed strings
|
||||
used = [attributeArray count];
|
||||
low=0;
|
||||
high = used - 1;
|
||||
while(low<=high)
|
||||
{
|
||||
cnt=(low+high)/2;
|
||||
foundDict = [attributeArray objectAtIndex:cnt];
|
||||
foundLoc = [[locateArray objectAtIndex:cnt] unsignedIntValue];
|
||||
if(foundLoc > index)
|
||||
{
|
||||
high = cnt-1;
|
||||
}
|
||||
else
|
||||
{
|
||||
if(cnt >= used -1)
|
||||
nextLoc = tmpLength;
|
||||
else
|
||||
nextLoc = [[locateArray objectAtIndex:cnt+1] unsignedIntValue];
|
||||
if(foundLoc == index ||
|
||||
index < nextLoc)
|
||||
{
|
||||
//Found
|
||||
if(aRange)
|
||||
{
|
||||
aRange->location = foundLoc;
|
||||
aRange->length = nextLoc - foundLoc;
|
||||
}
|
||||
if(foundIndex)
|
||||
*foundIndex = cnt;
|
||||
return foundDict;
|
||||
}
|
||||
else
|
||||
low = cnt+1;
|
||||
}
|
||||
}
|
||||
NSCAssert(NO,@"Error in binary search algorithm");
|
||||
return nil;
|
||||
}
|
||||
|
||||
- (void) encodeWithCoder: aCoder
|
||||
{
|
||||
[super encodeWithCoder:aCoder];
|
||||
[aCoder encodeObject:textChars];
|
||||
[aCoder encodeObject:attributeArray];
|
||||
[aCoder encodeObject:locateArray];
|
||||
}
|
||||
|
||||
- initWithCoder: aCoder
|
||||
{
|
||||
[super initWithCoder:aCoder];
|
||||
textChars = [[aCoder decodeObject] retain];
|
||||
attributeArray = [[aCoder decodeObject] retain];
|
||||
locateArray = [[aCoder decodeObject] retain];
|
||||
return self;
|
||||
}
|
||||
|
||||
- _setAttributesFrom:(NSAttributedString *)attributedString range:(NSRange)aRange
|
||||
{
|
||||
//always called immediately after -initWithString:attributes:
|
||||
_setAttributesFrom(attributedString,aRange,attributeArray,locateArray);
|
||||
return self;
|
||||
}
|
||||
|
||||
- (id)initWithString:(NSString *)aString attributes:(NSDictionary *)attributes
|
||||
{
|
||||
textChars = [NSString alloc];
|
||||
_initWithString(aString,attributes,textChars,&attributeArray,&locateArray);
|
||||
return self;
|
||||
}
|
||||
|
||||
- (NSString *)string
|
||||
{
|
||||
return textChars;
|
||||
}
|
||||
|
||||
- (NSDictionary *)attributesAtIndex:(unsigned int)index effectiveRange:(NSRange *)aRange
|
||||
{
|
||||
return _attributesAtIndexEffectiveRange(
|
||||
index,aRange,[self length],attributeArray,locateArray,NULL);
|
||||
}
|
||||
|
||||
- (void)dealloc
|
||||
{
|
||||
[textChars release];
|
||||
[attributeArray release];
|
||||
[locateArray release];
|
||||
[super dealloc];
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
|
||||
@implementation NSGMutableAttributedString
|
||||
|
||||
- (void) encodeWithCoder: aCoder
|
||||
{
|
||||
[super encodeWithCoder:aCoder];
|
||||
[aCoder encodeObject:textChars];
|
||||
[aCoder encodeObject:attributeArray];
|
||||
[aCoder encodeObject:locateArray];
|
||||
}
|
||||
|
||||
- initWithCoder: aCoder
|
||||
{
|
||||
[super initWithCoder:aCoder];
|
||||
textChars = [[aCoder decodeObject] retain];
|
||||
attributeArray = [[aCoder decodeObject] retain];
|
||||
locateArray = [[aCoder decodeObject] retain];
|
||||
return self;
|
||||
}
|
||||
|
||||
- _setAttributesFrom:(NSAttributedString *)attributedString range:(NSRange)aRange
|
||||
{
|
||||
//always called immediately after -initWithString:attributes:
|
||||
_setAttributesFrom(attributedString,aRange,attributeArray,locateArray);
|
||||
return self;
|
||||
}
|
||||
|
||||
- (id)initWithString:(NSString *)aString attributes:(NSDictionary *)attributes
|
||||
{
|
||||
textChars = [NSMutableString alloc];
|
||||
_initWithString(aString,attributes,textChars,&attributeArray,&locateArray);
|
||||
return self;
|
||||
}
|
||||
|
||||
- (NSString *)string
|
||||
{
|
||||
return textChars;
|
||||
}
|
||||
|
||||
- (NSMutableString *)mutableString
|
||||
{
|
||||
return textChars;
|
||||
}
|
||||
|
||||
- (NSDictionary *)attributesAtIndex:(unsigned int)index effectiveRange:(NSRange *)aRange
|
||||
{
|
||||
return _attributesAtIndexEffectiveRange(
|
||||
index,aRange,[self length],attributeArray,locateArray,NULL);
|
||||
}
|
||||
|
||||
- (void)setAttributes:(NSDictionary *)attributes range:(NSRange)range
|
||||
{
|
||||
unsigned int tmpLength,arrayIndex,arraySize,location;
|
||||
NSRange effectiveRange;
|
||||
NSNumber *afterRangeLocation,*beginRangeLocation;
|
||||
NSDictionary *attrs;
|
||||
|
||||
if(!attributes)
|
||||
attributes = [NSDictionary dictionary];
|
||||
tmpLength = [self length];
|
||||
if(range.location < 0 || NSMaxRange(range) > tmpLength)
|
||||
{
|
||||
[NSException raise:NSRangeException
|
||||
format:@"RangeError in method -replaceCharactersInRange:withString: in class NSMutableAttributedString"];
|
||||
}
|
||||
arraySize = [locateArray count];
|
||||
if(NSMaxRange(range) < tmpLength)
|
||||
{
|
||||
attrs = _attributesAtIndexEffectiveRange(
|
||||
NSMaxRange(range),&effectiveRange,tmpLength,attributeArray,locateArray,&arrayIndex);
|
||||
|
||||
afterRangeLocation =
|
||||
[NSNumber numberWithUnsignedInt:NSMaxRange(range)];
|
||||
if(effectiveRange.location > range.location)
|
||||
{
|
||||
[locateArray replaceObjectAtIndex:arrayIndex
|
||||
withObject:afterRangeLocation];
|
||||
}
|
||||
else
|
||||
{
|
||||
arrayIndex++;
|
||||
//There shouldn't be anything wrong in putting an object (attrs) in
|
||||
//an array more than once should there? The object will not change.
|
||||
[attributeArray insertObject:attrs atIndex:arrayIndex];
|
||||
[locateArray insertObject:afterRangeLocation atIndex:arrayIndex];
|
||||
}
|
||||
arrayIndex--;
|
||||
}
|
||||
else
|
||||
arrayIndex = arraySize - 1;
|
||||
|
||||
while(arrayIndex > 0 &&
|
||||
[[locateArray objectAtIndex:arrayIndex-1] unsignedIntValue] >= range.location)
|
||||
{
|
||||
[locateArray removeObjectAtIndex:arrayIndex];
|
||||
[attributeArray removeObjectAtIndex:arrayIndex];
|
||||
arrayIndex--;
|
||||
}
|
||||
beginRangeLocation = [NSNumber numberWithUnsignedInt:range.location];
|
||||
location = [[locateArray objectAtIndex:arrayIndex] unsignedIntValue];
|
||||
if(location >= range.location)
|
||||
{
|
||||
if(location > range.location)
|
||||
{
|
||||
[locateArray replaceObjectAtIndex:arrayIndex
|
||||
withObject:beginRangeLocation];
|
||||
}
|
||||
[attributeArray replaceObjectAtIndex:arrayIndex
|
||||
withObject:attributes];
|
||||
}
|
||||
else
|
||||
{
|
||||
arrayIndex++;
|
||||
[attributeArray insertObject:attributes atIndex:arrayIndex];
|
||||
[locateArray insertObject:beginRangeLocation atIndex:arrayIndex];
|
||||
}
|
||||
|
||||
/* Primitive method! Sets attributes and values for a given range of characters, replacing any previous attributes
|
||||
and values for that range.*/
|
||||
|
||||
/*Sets the attributes for the characters in aRange to attributes. These new attributes replace any attributes
|
||||
previously associated with the characters in aRange. Raises an NSRangeException if any part of aRange lies beyond
|
||||
the end of the receiver's characters.
|
||||
See also: - addAtributes:range:, - removeAttributes:range:*/
|
||||
}
|
||||
|
||||
- (void)replaceCharactersInRange:(NSRange)range withString:(NSString *)aString
|
||||
{
|
||||
unsigned int tmpLength,arrayIndex,arraySize,cnt,location,moveLocations;
|
||||
NSRange effectiveRange;
|
||||
NSDictionary *attrs;
|
||||
NSNumber *afterRangeLocation;
|
||||
|
||||
if(!aString)
|
||||
aString = @"";
|
||||
tmpLength = [self length];
|
||||
if(range.location < 0 || NSMaxRange(range) > tmpLength)
|
||||
{
|
||||
[NSException raise:NSRangeException
|
||||
format:@"RangeError in method -replaceCharactersInRange:withString: in class NSMutableAttributedString"];
|
||||
}
|
||||
arraySize = [locateArray count];
|
||||
if(NSMaxRange(range) < tmpLength)
|
||||
{
|
||||
attrs = _attributesAtIndexEffectiveRange(
|
||||
NSMaxRange(range),&effectiveRange,tmpLength,attributeArray,locateArray,&arrayIndex);
|
||||
|
||||
moveLocations = [aString length] - range.length;
|
||||
afterRangeLocation =
|
||||
[NSNumber numberWithUnsignedInt:NSMaxRange(range)+moveLocations];
|
||||
|
||||
if(effectiveRange.location > range.location)
|
||||
{
|
||||
[locateArray replaceObjectAtIndex:arrayIndex
|
||||
withObject:afterRangeLocation];
|
||||
}
|
||||
else
|
||||
{
|
||||
arrayIndex++;
|
||||
//There shouldn't be anything wrong in putting an object (attrs) in
|
||||
//an array more than once should there? The object will not change.
|
||||
[attributeArray insertObject:attrs atIndex:arrayIndex];
|
||||
[locateArray insertObject:afterRangeLocation atIndex:arrayIndex];
|
||||
}
|
||||
|
||||
for(cnt=arrayIndex+1;cnt<arraySize;cnt++)
|
||||
{
|
||||
location = [[locateArray objectAtIndex:cnt] unsignedIntValue] + moveLocations;
|
||||
[locateArray replaceObjectAtIndex:cnt
|
||||
withObject:[NSNumber numberWithUnsignedInt:location]];
|
||||
}
|
||||
arrayIndex--;
|
||||
}
|
||||
else
|
||||
arrayIndex = arraySize - 1;
|
||||
while(arrayIndex > 0 &&
|
||||
[[locateArray objectAtIndex:arrayIndex] unsignedIntValue] > range.location)
|
||||
{
|
||||
[locateArray removeObjectAtIndex:arrayIndex];
|
||||
[attributeArray removeObjectAtIndex:arrayIndex];
|
||||
arrayIndex--;
|
||||
}
|
||||
[textChars replaceCharactersInRange:range withString:aString];
|
||||
}
|
||||
|
||||
- (void)dealloc
|
||||
{
|
||||
[textChars release];
|
||||
[attributeArray release];
|
||||
[locateArray release];
|
||||
[super dealloc];
|
||||
}
|
||||
|
||||
@end
|
||||
Loading…
Add table
Add a link
Reference in a new issue