+ }
+ if (!expect_char (c, ']'))
+ return FcFalse;
+ }
+
+ if (consume_char (c, '='))
+ add_elt_name = FcTrue;
+
+ /* modifiers */
+ else_string = NULL;
+ if (consume_char (c, ':'))
+ {
+ FcChar8 *orig;
+ /* divert the c->word for now */
+ orig = c->word;
+ c->word = c->word + strlen ((const char *) c->word) + 1;
+ /* for now we just support 'default value' */
+ if (!expect_char (c, '-') ||
+ !read_chars (c, '|'))
+ {
+ c->word = orig;
+ return FcFalse;
+ }
+ else_string = c->word;
+ c->word = orig;
+ }
+
+ e = FcPatternObjectFindElt (pat,
+ FcObjectFromName ((const char *) c->word));
+ if (e || else_string)
+ {
+ FcValueListPtr l = NULL;
+
+ if (add_colon)
+ FcStrBufChar (buf, ':');
+ if (add_elt_name)
+ {
+ FcStrBufString (buf, c->word);
+ FcStrBufChar (buf, '=');
+ }
+
+ if (e)
+ l = FcPatternEltValues(e);
+
+ if (idx != -1)
+ {
+ while (l && idx > 0)
+ {
+ l = FcValueListNext(l);
+ idx--;
+ }
+ if (l && idx == 0)
+ {
+ if (!FcNameUnparseValue (buf, &l->value, '\0'))
+ return FcFalse;
+ }
+ else goto notfound;
+ }
+ else if (l)
+ {
+ FcNameUnparseValueList (buf, l, '\0');
+ }
+ else
+ {
+ notfound:
+ if (else_string)
+ FcStrBufString (buf, else_string);
+ }
+ }
+
+ return FcTrue;
+}
+
+static FcBool
+cescape (FcFormatContext *c,
+ const FcChar8 *str,
+ FcStrBuf *buf)
+{
+ /* XXX escape \n etc? */
+
+ while(*str)
+ {
+ switch (*str)
+ {
+ case '\\':
+ case '"':
+ FcStrBufChar (buf, '\\');
+ break;
+ }
+ FcStrBufChar (buf, *str++);
+ }
+ return FcTrue;
+}
+
+static FcBool
+shescape (FcFormatContext *c,
+ const FcChar8 *str,
+ FcStrBuf *buf)
+{
+ FcStrBufChar (buf, '\'');
+ while(*str)
+ {
+ if (*str == '\'')
+ FcStrBufString (buf, (const FcChar8 *) "'\\''");
+ else
+ FcStrBufChar (buf, *str);
+ str++;
+ }
+ FcStrBufChar (buf, '\'');
+ return FcTrue;
+}
+
+static FcBool
+xmlescape (FcFormatContext *c,
+ const FcChar8 *str,
+ FcStrBuf *buf)
+{
+ /* XXX escape \n etc? */
+
+ while(*str)
+ {
+ switch (*str)
+ {
+ case '&': FcStrBufString (buf, (const FcChar8 *) "&"); break;
+ case '<': FcStrBufString (buf, (const FcChar8 *) "<"); break;
+ case '>': FcStrBufString (buf, (const FcChar8 *) ">"); break;
+ default: FcStrBufChar (buf, *str); break;
+ }
+ str++;
+ }
+ return FcTrue;
+}
+
+static FcBool
+delete_chars (FcFormatContext *c,
+ const FcChar8 *str,
+ FcStrBuf *buf)
+{
+ /* XXX not UTF-8 aware */
+
+ if (!expect_char (c, '(') ||
+ !read_chars (c, ')') ||
+ !expect_char (c, ')'))
+ return FcFalse;
+
+ while(*str)
+ {
+ FcChar8 *p;
+
+ p = (FcChar8 *) strpbrk ((const char *) str, (const char *) c->word);
+ if (p)
+ {
+ FcStrBufData (buf, str, p - str);
+ str = p + 1;
+ }
+ else
+ {
+ FcStrBufString (buf, str);
+ break;
+ }
+
+ }
+
+ return FcTrue;
+}
+
+static FcBool
+escape_chars (FcFormatContext *c,
+ const FcChar8 *str,
+ FcStrBuf *buf)
+{
+ /* XXX not UTF-8 aware */
+
+ if (!expect_char (c, '(') ||
+ !read_chars (c, ')') ||
+ !expect_char (c, ')'))
+ return FcFalse;
+
+ while(*str)
+ {
+ FcChar8 *p;
+
+ p = (FcChar8 *) strpbrk ((const char *) str, (const char *) c->word);
+ if (p)
+ {
+ FcStrBufData (buf, str, p - str);
+ FcStrBufChar (buf, c->word[0]);
+ FcStrBufChar (buf, *p);
+ str = p + 1;
+ }
+ else
+ {
+ FcStrBufString (buf, str);
+ break;
+ }
+
+ }
+
+ return FcTrue;
+}
+
+static FcBool
+translate_chars (FcFormatContext *c,
+ const FcChar8 *str,
+ FcStrBuf *buf)
+{
+ char *from, *to, repeat;
+ int from_len, to_len;
+
+ /* XXX not UTF-8 aware */
+
+ if (!expect_char (c, '(') ||
+ !read_chars (c, ',') ||
+ !expect_char (c, ','))
+ return FcFalse;
+
+ from = (char *) c->word;
+ from_len = strlen (from);
+ to = from + from_len + 1;
+
+ /* hack: we temporarily divert c->word */
+ c->word = (FcChar8 *) to;
+ if (!read_chars (c, ')'))
+ {
+ c->word = (FcChar8 *) from;
+ return FcFalse;
+ }
+ c->word = (FcChar8 *) from;
+
+ to_len = strlen (to);
+ repeat = to[to_len - 1];
+
+ if (!expect_char (c, ')'))
+ return FcFalse;
+
+ while(*str)
+ {
+ FcChar8 *p;