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More tweaks to isAbsolute

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@21023 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-Macdonald 2005-03-31 19:47:41 +00:00
parent 448b62767d
commit 8f0bd54874
3 changed files with 37 additions and 20 deletions
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4
ChangeLog
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@ -2,7 +2,9 @@
* Source/NSString.m: (isAbsolutePath) always treat a path beginning
with '/' as absolute except when in windows mode or on windows and
not in unix mode.
not in unix mode. Treat all UNC paths as absolute ... a change made
after a lot of trawling the web and looking at examples of UNC path
usage.
2005-03-23 Richard Frith-Macdonald <rfm@gnu.org>

6
Headers/Foundation/NSString.h
View file

@ -539,9 +539,9 @@ enum {
* Returns NO otherwise.<br />
* An absolute path in unix mode is one which begins
* with a slash or tilde.<br />
* In windows mode a drive specification (eg C:) or a UNC server and share
* (eg //host/share) followed by a slash or backslash, is an absolute path,
* as is any path beginning with a tilde.<br />
* In windows mode a drive specification (eg C:) followed by a slash or
* backslash, is an absolute path, as is any path beginning with a tilde.<br />
* In any mode a UNC path (//host/share...) is always absolute.<br />
* In gnustep path handling mode, the rules are the same as for windows,
* except that a path whose root is a slash denotes an absolute path
* when running on unix and a relative path when running under windows.

47
Source/NSString.m
View file

@ -4405,34 +4405,49 @@ static NSFileManager *fm = nil;
if (l == 0)
{
return NO; // Empty string ... not absolute
return NO; // Empty string ... relative
}
c = [self characterAtIndex: 0];
if (c == (unichar)'~')
{
return YES; // Begins with tilde ... absolute
}
#if !defined(__MINGW__)
if (c == '/' && GSPathHandlingWindows() == NO)
{
return YES; // Begins with slash ... absolute on unix.
}
#endif
root = rootOf(self, l);
if (root > 0 && pathSepMember([self characterAtIndex: root-1]))
/*
* Any string beginning with '/' is absolute ... except in windows mode
* or on windows and not in unix mode.
*/
if (c == '/')
{
#if defined(__MINGW__)
if (root == 1 && GSPathHandlingUnix() == NO)
if (GSPathHandlingUnix() == YES)
{
return NO; // Single slash/backslash is not absolute.
return YES;
}
#else
if (GSPathHandlingWindows() == NO)
{
return YES;
}
#endif
if (root == 1 && c == '\\')
{
return NO; // Single backslash is not absolute
}
return YES; // Root ends with separator ... absolute.
}
/*
* Any root over two characters long must be a drive specification with a
* slash (absolute) or a UNC path (always absolute).
*/
root = rootOf(self, l);
if (root > 2)
{
return YES; // UNC or C:/ ... absolute
}
/*
* What we have left are roots of the form 'C:' or '\' or a path
* with no root, or a '/' (in windows mode only sence we already
* handled a single slash in unix mode) ...
* all these cases are relative paths.
*/
return NO;
}