/*
- * $XFree86: xc/lib/fontconfig/src/fcstr.c,v 1.2 2002/02/15 06:01:28 keithp Exp $
+ * $XFree86: xc/lib/fontconfig/src/fcstr.c,v 1.10 2002/08/31 22:17:32 keithp Exp $
*
* Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
*
if (c1 != c2)
break;
}
- return (int) c2 - (int) c1;
+ return (int) c1 - (int) c2;
}
int
-FcUtf8ToUcs4 (FcChar8 *src_orig,
- FcChar32 *dst,
- int len)
+FcStrCmpIgnoreBlanksAndCase (const FcChar8 *s1, const FcChar8 *s2)
{
- FcChar8 *src = src_orig;
- FcChar8 s;
- int extra;
- FcChar32 result;
+ FcChar8 c1, c2;
+
+ for (;;)
+ {
+ do
+ c1 = *s1++;
+ while (c1 == ' ');
+ do
+ c2 = *s2++;
+ while (c2 == ' ');
+ if (!c1 || !c2)
+ break;
+ c1 = FcToLower (c1);
+ c2 = FcToLower (c2);
+ if (c1 != c2)
+ break;
+ }
+ return (int) c1 - (int) c2;
+}
+
+int
+FcStrCmp (const FcChar8 *s1, const FcChar8 *s2)
+{
+ FcChar8 c1, c2;
+
+ if (s1 == s2)
+ return 0;
+ for (;;)
+ {
+ c1 = *s1++;
+ c2 = *s2++;
+ if (!c1 || !c2)
+ break;
+ if (c1 != c2)
+ break;
+ }
+ return (int) c1 - (int) c2;
+}
+
+int
+FcUtf8ToUcs4 (const FcChar8 *src_orig,
+ FcChar32 *dst,
+ int len)
+{
+ const FcChar8 *src = src_orig;
+ FcChar8 s;
+ int extra;
+ FcChar32 result;
if (len == 0)
return 0;
}
FcBool
-FcUtf8Len (FcChar8 *string,
- int len,
- int *nchar,
- int *wchar)
+FcUtf8Len (const FcChar8 *string,
+ int len,
+ int *nchar,
+ int *wchar)
{
int n;
int clen;
return FcTrue;
}
+int
+FcUcs4ToUtf8 (FcChar32 ucs4,
+ FcChar8 dest[FC_UTF8_MAX_LEN])
+{
+ int bits;
+ FcChar8 *d = dest;
+
+ if (ucs4 < 0x80) { *d++= ucs4; bits= -6; }
+ else if (ucs4 < 0x800) { *d++= ((ucs4 >> 6) & 0x1F) | 0xC0; bits= 0; }
+ else if (ucs4 < 0x10000) { *d++= ((ucs4 >> 12) & 0x0F) | 0xE0; bits= 6; }
+ else if (ucs4 < 0x200000) { *d++= ((ucs4 >> 18) & 0x07) | 0xF0; bits= 12; }
+ else if (ucs4 < 0x4000000) { *d++= ((ucs4 >> 24) & 0x03) | 0xF8; bits= 18; }
+ else if (ucs4 < 0x80000000) { *d++= ((ucs4 >> 30) & 0x01) | 0xFC; bits= 24; }
+ else return 0;
+
+ for ( ; bits >= 0; bits-= 6) {
+ *d++= ((ucs4 >> bits) & 0x3F) | 0x80;
+ }
+ return d - dest;
+}
+
+#define GetUtf16(src,endian) \
+ ((FcChar16) ((src)[endian == FcEndianBig ? 0 : 1] << 8) | \
+ (FcChar16) ((src)[endian == FcEndianBig ? 1 : 0]))
+
+int
+FcUtf16ToUcs4 (const FcChar8 *src_orig,
+ FcEndian endian,
+ FcChar32 *dst,
+ int len) /* in bytes */
+{
+ const FcChar8 *src = src_orig;
+ FcChar16 a, b;
+ FcChar32 result;
+
+ if (len < 2)
+ return 0;
+
+ a = GetUtf16 (src, endian); src += 2; len -= 2;
+
+ /*
+ * Check for surrogate
+ */
+ if ((a & 0xfc00) == 0xd800)
+ {
+ if (len < 2)
+ return 0;
+ b = GetUtf16 (src, endian); src += 2; len -= 2;
+ /*
+ * Check for invalid surrogate sequence
+ */
+ if ((b & 0xfc00) != 0xdc00)
+ return 0;
+ result = ((((FcChar32) a & 0x3ff) << 10) |
+ ((FcChar32) b & 0x3ff)) + 0x10000;
+ }
+ else
+ result = a;
+ *dst = result;
+ return src - src_orig;
+}
+
+FcBool
+FcUtf16Len (const FcChar8 *string,
+ FcEndian endian,
+ int len, /* in bytes */
+ int *nchar,
+ int *wchar)
+{
+ int n;
+ int clen;
+ FcChar32 c;
+ FcChar32 max;
+
+ n = 0;
+ max = 0;
+ while (len)
+ {
+ clen = FcUtf16ToUcs4 (string, endian, &c, len);
+ if (clen <= 0) /* malformed UTF8 string */
+ return FcFalse;
+ if (c > max)
+ max = c;
+ string += clen;
+ len -= clen;
+ n++;
+ }
+ *nchar = n;
+ if (max >= 0x10000)
+ *wchar = 4;
+ else if (max > 0x100)
+ *wchar = 2;
+ else
+ *wchar = 1;
+ return FcTrue;
+}
+
void
FcStrBufInit (FcStrBuf *buf, FcChar8 *init, int size)
{
{
if (buf->allocated)
{
+ FcMemFree (FC_MEM_STRBUF, buf->size);
free (buf->buf);
FcStrBufInit (buf, 0, 0);
}
ret = malloc (buf->len + 1);
if (ret)
{
+ FcMemAlloc (FC_MEM_STRING, buf->len + 1);
memcpy (ret, buf->buf, buf->len);
ret[buf->len] = '\0';
}
buf->failed = FcTrue;
return FcFalse;
}
+ if (buf->size)
+ FcMemFree (FC_MEM_STRBUF, buf->size);
+ FcMemAlloc (FC_MEM_STRBUF, size);
buf->size = size;
buf->buf = new;
}
return FcTrue;
}
+FcChar8 *
+FcStrCopyFilename (const FcChar8 *s)
+{
+ FcChar8 *new;
+
+ if (*s == '~')
+ {
+ FcChar8 *home = (FcChar8 *) getenv ("HOME");
+ int size = strlen ((char *) home) + strlen ((char *) s);
+ if (!home)
+ return 0;
+ new = (FcChar8 *) malloc (size);
+ if (!new)
+ return 0;
+ FcMemAlloc (FC_MEM_STRING, size);
+ strcpy ((char *) new, (char *) home);
+ strcat ((char *) new, (char *) s + 1);
+ }
+ else
+ {
+ int size = strlen ((char *) s) + 1;
+ new = (FcChar8 *) malloc (size);
+ if (!new)
+ return 0;
+ FcMemAlloc (FC_MEM_STRING, size);
+ strcpy ((char *) new, (const char *) s);
+ }
+ return new;
+}
+
+FcChar8 *
+FcStrDirname (const FcChar8 *file)
+{
+ FcChar8 *slash;
+ FcChar8 *dir;
+
+ slash = (FcChar8 *) strrchr ((char *) file, '/');
+ if (!slash)
+ return FcStrCopy ((FcChar8 *) ".");
+ dir = malloc ((slash - file) + 1);
+ if (!dir)
+ return 0;
+ FcMemAlloc (FC_MEM_STRING, (slash - file) + 1);
+ strncpy ((char *) dir, (const char *) file, slash - file);
+ dir[slash - file] = '\0';
+ return dir;
+}
+
+FcChar8 *
+FcStrBasename (const FcChar8 *file)
+{
+ FcChar8 *slash;
+
+ slash = (FcChar8 *) strrchr ((char *) file, '/');
+ if (!slash)
+ return FcStrCopy (file);
+ return FcStrCopy (slash + 1);
+}
+
+FcStrSet *
+FcStrSetCreate (void)
+{
+ FcStrSet *set = malloc (sizeof (FcStrSet));
+ if (!set)
+ return 0;
+ FcMemAlloc (FC_MEM_STRSET, sizeof (FcStrSet));
+ set->ref = 1;
+ set->num = 0;
+ set->size = 0;
+ set->strs = 0;
+ return set;
+}
+
+static FcBool
+_FcStrSetAppend (FcStrSet *set, FcChar8 *s)
+{
+ if (FcStrSetMember (set, s))
+ {
+ FcStrFree (s);
+ return FcTrue;
+ }
+ if (set->num == set->size)
+ {
+ FcChar8 **strs = malloc ((set->size + 2) * sizeof (FcChar8 *));
+
+ if (!strs)
+ return FcFalse;
+ FcMemAlloc (FC_MEM_STRSET, (set->size + 2) * sizeof (FcChar8 *));
+ set->size = set->size + 1;
+ if (set->num)
+ memcpy (strs, set->strs, set->num * sizeof (FcChar8 *));
+ if (set->strs)
+ free (set->strs);
+ set->strs = strs;
+ }
+ set->strs[set->num++] = s;
+ set->strs[set->num] = 0;
+ return FcTrue;
+}
+
+FcBool
+FcStrSetMember (FcStrSet *set, const FcChar8 *s)
+{
+ int i;
+
+ for (i = 0; i < set->num; i++)
+ if (!FcStrCmp (set->strs[i], s))
+ return FcTrue;
+ return FcFalse;
+}
+
+FcBool
+FcStrSetEqual (FcStrSet *sa, FcStrSet *sb)
+{
+ int i;
+ if (sa->num != sb->num)
+ return FcFalse;
+ for (i = 0; i < sa->num; i++)
+ if (!FcStrSetMember (sb, sa->strs[i]))
+ return FcFalse;
+ return FcTrue;
+}
+
+FcBool
+FcStrSetAdd (FcStrSet *set, const FcChar8 *s)
+{
+ FcChar8 *new = FcStrCopy (s);
+ if (!new)
+ return FcFalse;
+ if (!_FcStrSetAppend (set, new))
+ {
+ FcStrFree (new);
+ return FcFalse;
+ }
+ return FcTrue;
+}
+
+FcBool
+FcStrSetAddFilename (FcStrSet *set, const FcChar8 *s)
+{
+ FcChar8 *new = FcStrCopyFilename (s);
+ if (!new)
+ return FcFalse;
+ if (!_FcStrSetAppend (set, new))
+ {
+ FcStrFree (new);
+ return FcFalse;
+ }
+ return FcTrue;
+}
+
+FcBool
+FcStrSetDel (FcStrSet *set, const FcChar8 *s)
+{
+ int i;
+
+ for (i = 0; i < set->num; i++)
+ if (!FcStrCmp (set->strs[i], s))
+ {
+ FcStrFree (set->strs[i]);
+ /*
+ * copy remaining string pointers and trailing
+ * NULL
+ */
+ memmove (&set->strs[i], &set->strs[i+1],
+ (set->num - i) * sizeof (FcChar8 *));
+ set->num--;
+ return FcTrue;
+ }
+ return FcFalse;
+}
+
+void
+FcStrSetDestroy (FcStrSet *set)
+{
+ if (--set->ref == 0)
+ {
+ int i;
+
+ for (i = 0; i < set->num; i++)
+ FcStrFree (set->strs[i]);
+ FcMemFree (FC_MEM_STRSET, (set->size) * sizeof (FcChar8 *));
+ if (set->strs)
+ free (set->strs);
+ FcMemFree (FC_MEM_STRSET, sizeof (FcStrSet));
+ free (set);
+ }
+}
+
+FcStrList *
+FcStrListCreate (FcStrSet *set)
+{
+ FcStrList *list;
+
+ list = malloc (sizeof (FcStrList));
+ if (!list)
+ return 0;
+ FcMemAlloc (FC_MEM_STRLIST, sizeof (FcStrList));
+ list->set = set;
+ set->ref++;
+ list->n = 0;
+ return list;
+}
+
+FcChar8 *
+FcStrListNext (FcStrList *list)
+{
+ if (list->n >= list->set->num)
+ return 0;
+ return list->set->strs[list->n++];
+}
+
+void
+FcStrListDone (FcStrList *list)
+{
+ FcStrSetDestroy (list->set);
+ FcMemFree (FC_MEM_STRLIST, sizeof (FcStrList));
+ free (list);
+}
git.wh0rd.org / fontconfig.git / blobdiff