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String replacement enhancements to help with preprocessor fixes

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@4298 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Dave Beazley 2003-02-11 21:31:41 +00:00
commit 0a35b472b3
2 changed files with 38 additions and 1 deletions
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37
SWIG/Source/DOH/string.c
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@ -496,6 +496,37 @@ match_identifier(char *base, char *s, char *token, int tokenlen)
return 0;
}
static char *
match_identifier_begin(char *base, char *s, char *token, int tokenlen)
{
while (s) {
s = strstr(s,token);
if (!s) return 0;
if ((s > base) && (isalnum(*(s-1)) || (*(s-1) == '_'))) {
s += tokenlen;
continue;
}
return s;
}
return 0;
}
static char *
match_identifier_end(char *base, char *s, char *token, int tokenlen)
{
while (s) {
s = strstr(s,token);
if (!s) return 0;
if (isalnum(*(s+tokenlen)) || (*(s+tokenlen) == '_')) {
s += tokenlen;
continue;
}
return s;
}
return 0;
}
static int
replace_simple(String *str, char *token, char *rep, int flags, int count, char *(*match)(char *, char *, char *, int))
{
@ -714,7 +745,11 @@ String_replace(DOH *stro, DOH *token, DOH *rep, int flags)
if (flags & DOH_REPLACE_FIRST) count = 1;
if (flags & DOH_REPLACE_ID) {
if (flags & DOH_REPLACE_ID_END) {
return replace_simple(str,Char(token),Char(rep),flags, count, match_identifier_end);
} else if (flags & DOH_REPLACE_ID_BEGIN) {
return replace_simple(str,Char(token),Char(rep),flags, count, match_identifier_begin);
} else if (flags & DOH_REPLACE_ID) {
return replace_simple(str,Char(token),Char(rep),flags, count, match_identifier);
} else {
return replace_simple(str,Char(token), Char(rep), flags, count, match_simple);