gnustep/libs-base
0
0
Fork 0
mirror of https://github.com/gnustep/libs-base.git synced 2025-04-23 00:41:02 +00:00
Code Issues Projects Releases Packages Wiki Activity

Fix keyed archiving and unarchiving of (mutable) attributed strings

Browse source 
with multiple attribute ranges.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@30488 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Wolfgang Lux 2010-05-30 15:16:36 +00:00
parent d0fc70bf89
commit 5aa6838ebe
2 changed files with 91 additions and 26 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
ChangeLog
View file

@ -1,3 +1,9 @@
2010-05-30 Wolfgang Lux <wolfgang.lux@gmail.com>
* Source/NSAttributedString.m (-initWithCoder:, -encodeWithCoder:):
Fix keyed archiving and unarchiving of (mutable) attributed
strings with multiple attribute ranges.
2010-05-30 Richard Frith-Macdonald <rfm@gnu.org>
* NSTimeZones/NSTimeZones.tar: Update to latest zone info.

111
Source/NSAttributedString.m
View file

@ -151,19 +151,70 @@ static Class GSMutableAttributedStringClass;
return NSAttributedStringClass;
}
static void
appendUIntData(NSMutableData *d, NSUInteger i)
{
unsigned int aux = i;
unsigned int len = 1;
while (aux >= 128)
{
aux /= 128;
len++;
}
{
unsigned char *p, buf[len];
p = buf;
while (i >= 128)
{
*p++ = (i & 0x7f) + 128;
i /= 128;
}
*p = i;
[d appendBytes: buf length: len];
}
}
- (void) encodeWithCoder: (NSCoder*)aCoder
{
if ([aCoder allowsKeyedCoding])
{
NSUInteger length = [self length];
[aCoder encodeObject: [self string] forKey: @"NSString"];
if ([self length] > 0)
if (length > 0)
{
NSRange range;
NSDictionary *attrs;
// FIXME: This doesn't handle the case of different attributes
attrs = [self attributesAtIndex: 0 effectiveRange: NULL];
attrs = [self attributesAtIndex: 0 effectiveRange: &range];
if (range.length == length)
{
[aCoder encodeObject: attrs forKey: @"NSAttributes"];
}
else
{
NSUInteger i = 0;
NSUInteger pos = 0;
NSMutableArray *attrs = [NSMutableArray arrayWithCapacity: 1];
NSMutableData *info = [NSMutableData dataWithCapacity: 2];
[aCoder encodeObject: attrs forKey: @"NSAttributes"];
while (pos < length)
{
[attrs addObject: [self attributesAtIndex: pos
effectiveRange: &range]];
appendUIntData(info, range.length);
appendUIntData(info, i++);
pos = NSMaxRange(range);
}
[aCoder encodeObject: [[attrs copy] autorelease]
forKey: @"NSAttributes"];
[aCoder encodeObject: [[info copy] autorelease]
forKey: @"NSAttributeInfo"];
}
}
}
else
@ -211,20 +262,24 @@ static Class GSMutableAttributedStringClass;
{
unsigned int idx;
unsigned int len;
unsigned int shift;
NSRange r;
// FIXME: For huge strings we may need more bytes
len = *p++;
if (len & 0x8)
{
len = (len - 128) + ((*p++) << 7);
}
len = shift = 0;
while (*p & 0x80)
{
len += (*p++ - 128) << shift;
shift += 7;
}
len += *p++ << shift;
idx = *p++;
if (idx & 0x8)
{
idx = (idx - 128) + ((*p++) << 7);
}
idx = shift = 0;
while (*p & 0x80)
{
idx += (*p++ - 128) << shift;
shift += 7;
}
idx += *p++ << shift;
r = NSMakeRange(pos, len);
[m setAttributes: [attributes objectAtIndex: idx] range: r];
@ -707,20 +762,24 @@ static Class GSMutableAttributedStringClass;
{
unsigned int idx;
unsigned int len;
unsigned int shift;
NSRange r;
// FIXME: For huge strings we may need more bytes
len = *p++;
if (len & 0x8)
{
len = (len - 128) + ((*p++) << 7);
}
len = shift = 0;
while (*p & 0x80)
{
len += (*p++ - 128) << shift;
shift += 7;
}
len += *p++ << shift;
idx = *p++;
if (idx & 0x8)
{
idx = (idx - 128) + ((*p++) << 7);
}
idx = shift = 0;
while (*p & 0x80)
{
idx += (*p++ - 128) << shift;
shift += 7;
}
idx += *p++ << shift;
r = NSMakeRange(pos, len);
[self setAttributes: [attributes objectAtIndex: idx] range: r];