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[fcformat] Start adding builtins

This commit is contained in:
Behdad Esfahbod 2009-02-10 06:22:55 -05:00
parent c8f5933d13
commit d4f7a4c6af
1 changed files with 26 additions and 1 deletions
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27
src/fcformat.c
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@ -33,7 +33,7 @@
*
* - allow indexing subexprs using '%{[idx]elt1,elt2{subexpr}}'
* - allow indexing simple tags using '%{elt[idx]}'
* - conditional/filtering/deletion on binding (using '(w)'/'(s)' notation)
* - conditional/filtering/deletion on binding (using '(w)'/'(s)'/'(=)' notation)
*/
static void
@ -203,6 +203,30 @@ read_chars (FcFormatContext *c,
return FcTrue;
}
static FcBool
interpret_builtin (FcFormatContext *c,
FcPattern *pat,
FcStrBuf *buf)
{
if (!expect_char (c, '='))
return FcFalse;
if (!read_word (c))
return FcFalse;
#define BUILTIN(name, func) \
else if (0 == strcmp ((const char *) c->word, name))\
return func (c, pat, buf)
BUILTIN ("unparse", FcNameUnparse);
BUILTIN ("verbose", FcPatternPrint);
BUILTIN2 ("fcmatch", FcStrDirname);
BUILTIN2 ("fclist", FcStrDirname);
BUILTIN2 ("pkgkit", FcStrDirname);
message ("unknown builtin \"%s\"",
c->word);
return FcFalse;
}
static FcBool
interpret_expr (FcFormatContext *c,
FcPattern *pat,
@ -805,6 +829,7 @@ interpret_percent (FcFormatContext *c,
start = buf->len;
switch (*c->format) {
case '=': ret = interpret_builtin (c, pat, buf); break;
case '{': ret = interpret_subexpr (c, pat, buf); break;
case '+': ret = interpret_filter (c, pat, buf); break;
case '-': ret = interpret_delete (c, pat, buf); break;