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fontconfig/src/fcname.c

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/*
* $RCSId: xc/lib/fontconfig/src/fcname.c,v 1.15 2002/09/26 00:17:28 keithp Exp $
*
* Copyright © 2000 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "fcint.h"
/* Please do not revoke any of these bindings. */
/* The __DUMMY__ object enables callers to distinguish the error return
* of FcObjectToPtrLookup from FC_FAMILY's FcObjectPtr, which would
* otherwise be 0. */
static const FcObjectType _FcBaseObjectTypes[] = {
{ "__DUMMY__", FcTypeVoid, },
{ FC_FAMILY, FcTypeString, },
{ FC_FAMILYLANG, FcTypeString, },
{ FC_STYLE, FcTypeString, },
{ FC_STYLELANG, FcTypeString, },
{ FC_FULLNAME, FcTypeString, },
{ FC_FULLNAMELANG, FcTypeString, },
{ FC_SLANT, FcTypeInteger, },
{ FC_WEIGHT, FcTypeInteger, },
{ FC_WIDTH, FcTypeInteger, },
{ FC_SIZE, FcTypeDouble, },
{ FC_ASPECT, FcTypeDouble, },
{ FC_PIXEL_SIZE, FcTypeDouble, },
{ FC_SPACING, FcTypeInteger, },
{ FC_FOUNDRY, FcTypeString, },
/* { FC_CORE, FcTypeBool, }, */
{ FC_ANTIALIAS, FcTypeBool, },
{ FC_HINT_STYLE, FcTypeInteger, },
{ FC_HINTING, FcTypeBool, },
{ FC_VERTICAL_LAYOUT, FcTypeBool, },
{ FC_AUTOHINT, FcTypeBool, },
{ FC_GLOBAL_ADVANCE, FcTypeBool, },
/* { FC_XLFD, FcTypeString, }, */
{ FC_FILE, FcTypeString, },
{ FC_INDEX, FcTypeInteger, },
{ FC_RASTERIZER, FcTypeString, },
{ FC_OUTLINE, FcTypeBool, },
{ FC_SCALABLE, FcTypeBool, },
{ FC_DPI, FcTypeDouble },
{ FC_RGBA, FcTypeInteger, },
{ FC_SCALE, FcTypeDouble, },
{ FC_MINSPACE, FcTypeBool, },
/* { FC_RENDER, FcTypeBool, },*/
{ FC_CHAR_WIDTH, FcTypeInteger },
{ FC_CHAR_HEIGHT, FcTypeInteger },
{ FC_MATRIX, FcTypeMatrix },
{ FC_CHARSET, FcTypeCharSet },
{ FC_LANG, FcTypeLangSet },
{ FC_FONTVERSION, FcTypeInteger },
{ FC_CAPABILITY, FcTypeString },
{ FC_FONTFORMAT, FcTypeString },
{ FC_EMBOLDEN, FcTypeBool },
{ FC_EMBEDDED_BITMAP, FcTypeBool },
};
#define NUM_OBJECT_TYPES (sizeof _FcBaseObjectTypes / sizeof _FcBaseObjectTypes[0])
static FcObjectType * _FcUserObjectNames = 0;
static int user_obj_alloc = 0;
static int next_basic_offset = NUM_OBJECT_TYPES;
typedef struct _FcObjectTypeList FcObjectTypeList;
struct _FcObjectTypeList {
const FcObjectTypeList *next;
const FcObjectType *types;
int ntypes;
int basic_offset;
};
static const FcObjectTypeList _FcBaseObjectTypesList = {
0,
_FcBaseObjectTypes,
NUM_OBJECT_TYPES,
0
};
static const FcObjectTypeList *_FcObjectTypes = &_FcBaseObjectTypesList;
FcBool
FcNameRegisterObjectTypes (const FcObjectType *types, int ntypes)
{
FcObjectTypeList *l;
l = (FcObjectTypeList *) malloc (sizeof (FcObjectTypeList));
if (!l)
return FcFalse;
FcMemAlloc (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList));
l->types = types;
l->ntypes = ntypes;
l->next = _FcObjectTypes;
l->basic_offset = next_basic_offset;
next_basic_offset += ntypes;
_FcObjectTypes = l;
return FcTrue;
}
static FcBool
FcNameUnregisterObjectTypesFree (const FcObjectType *types, int ntypes,
FcBool do_free)
{
const FcObjectTypeList *l, **prev;
for (prev = &_FcObjectTypes;
(l = *prev);
prev = (const FcObjectTypeList **) &(l->next))
{
if (l->types == types && l->ntypes == ntypes)
{
*prev = l->next;
if (do_free) {
FcMemFree (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList));
free ((void *) l);
}
return FcTrue;
}
}
return FcFalse;
}
FcBool
FcNameUnregisterObjectTypes (const FcObjectType *types, int ntypes)
{
return FcNameUnregisterObjectTypesFree (types, ntypes, FcTrue);
}
const FcObjectType *
FcNameGetObjectType (const char *object)
{
int i;
const FcObjectTypeList *l;
const FcObjectType *t;
for (l = _FcObjectTypes; l; l = l->next)
{
if (l == (FcObjectTypeList*)_FcUserObjectNames)
continue;
for (i = 0; i < l->ntypes; i++)
{
t = &l->types[i];
if (!strcmp (object, t->object))
return t;
}
}
return 0;
}
#define OBJECT_HASH_SIZE 31
struct objectBucket {
struct objectBucket *next;
FcChar32 hash;
int id;
};
static struct objectBucket *FcObjectBuckets[OBJECT_HASH_SIZE];
/* Design constraint: biggest_known_ntypes must never change
* after any call to FcNameRegisterObjectTypes. */
static const FcObjectType *biggest_known_types = _FcBaseObjectTypes;
static FcBool allocated_biggest_known_types;
static int biggest_known_ntypes = NUM_OBJECT_TYPES;
static int biggest_known_count = 0;
static char * biggest_ptr;
static FcObjectPtr
FcObjectToPtrLookup (const char * object)
{
FcObjectPtr i = 0, n;
const FcObjectTypeList *l;
FcObjectType *t = _FcUserObjectNames;
for (l = _FcObjectTypes; l; l = l->next)
{
for (i = 0; i < l->ntypes; i++)
{
t = (FcObjectType *)&l->types[i];
if (!strcmp (object, t->object))
{
if (l == (FcObjectTypeList*)_FcUserObjectNames)
return -i;
else
return l->basic_offset + i;
}
}
}
/* We didn't match. Look for the application's FcObjectTypeList
* and replace it in-place. */
for (l = _FcObjectTypes; l; l = l->next)
{
if (l->types == _FcUserObjectNames)
break;
}
if (!_FcUserObjectNames ||
(l && l->types == _FcUserObjectNames && user_obj_alloc < l->ntypes))
{
int nt = user_obj_alloc + 4;
FcObjectType * t = realloc (_FcUserObjectNames,
nt * sizeof (FcObjectType));
if (!t)
return 0;
_FcUserObjectNames = t;
user_obj_alloc = nt;
}
if (l && l->types == _FcUserObjectNames)
{
n = l->ntypes;
FcNameUnregisterObjectTypesFree (l->types, l->ntypes, FcFalse);
}
else
n = 0;
FcNameRegisterObjectTypes (_FcUserObjectNames, n+1);
for (l = _FcObjectTypes; l; l = l->next)
{
if (l->types == _FcUserObjectNames)
{
t = (FcObjectType *)l->types;
break;
}
}
if (!t)
return 0;
t[n].object = object;
t[n].type = FcTypeVoid;
return -n;
}
FcObjectPtr
FcObjectToPtr (const char * name)
{
FcChar32 hash = FcStringHash ((const FcChar8 *) name);
struct objectBucket **p;
struct objectBucket *b;
int size;
for (p = &FcObjectBuckets[hash % OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)
)
if (b->hash == hash && !strcmp (name, (char *) (b + 1)))
return b->id;
size = sizeof (struct objectBucket) + strlen (name) + 1;
/* workaround glibc bug which reads strlen in groups of 4 */
b = malloc (size + sizeof (int));
FcMemAlloc (FC_MEM_STATICSTR, size + sizeof(int));
if (!b)
return 0;
b->next = 0;
b->hash = hash;
b->id = FcObjectToPtrLookup (name);
strcpy ((char *) (b + 1), name);
*p = b;
return b->id;
}
void
FcObjectStaticNameFini (void)
{
int i, size;
struct objectBucket *b, *next;
char *name;
for (i = 0; i < OBJECT_HASH_SIZE; i++)
{
for (b = FcObjectBuckets[i]; b; b = next)
{
next = b->next;
name = (char *) (b + 1);
size = sizeof (struct objectBucket) + strlen (name) + 1;
FcMemFree (FC_MEM_STATICSTR, size);
free (b);
}
FcObjectBuckets[i] = 0;
}
}
const char *
FcObjectPtrU (FcObjectPtr si)
{
const FcObjectTypeList *l;
int i, j;
if (si > 0)
{
if (si < biggest_known_ntypes)
return biggest_known_types[si].object;
j = 0;
for (l = _FcObjectTypes; l; l = l->next)
for (i = 0; i < l->ntypes; i++, j++)
if (j == si)
return l->types[i].object;
}
return _FcUserObjectNames[-si].object;
}
int
FcObjectNeededBytes ()
{
int num = 0, i;
for (i = 0; i < biggest_known_ntypes; i++)
{
const char * t = biggest_known_types[i].object;
num = num + strlen(t) + 1;
}
biggest_known_count = num;
return num + sizeof(int);
}
int
FcObjectNeededBytesAlign (void)
{
return __alignof__ (int) + __alignof__ (char);
}
void *
FcObjectDistributeBytes (FcCache * metadata, void * block_ptr)
{
block_ptr = ALIGN (block_ptr, int);
*(int *)block_ptr = biggest_known_ntypes;
block_ptr = (int *) block_ptr + 1;
block_ptr = ALIGN (block_ptr, char);
biggest_ptr = block_ptr;
block_ptr = (char *) block_ptr + biggest_known_count;
return block_ptr;
}
void
FcObjectSerialize ()
{
int i;
for (i = 0; i < biggest_known_ntypes; i++)
{
const char * t = biggest_known_types[i].object;
strcpy (biggest_ptr, t);
biggest_ptr = biggest_ptr + strlen(t) + 1;
}
}
void *
FcObjectUnserialize (FcCache * metadata, void *block_ptr)
{
int new_biggest;
new_biggest = *(int *)block_ptr;
block_ptr = ALIGN (block_ptr, int);
block_ptr = (int *) block_ptr + 1;
if (biggest_known_ntypes < new_biggest)
{
int i;
char * bp = (char *)block_ptr;
FcObjectType * bn;
FcObjectTypeList * bnl;
bn = malloc (sizeof (const FcObjectType) * (new_biggest + 1));
if (!bn)
return 0;
bnl = malloc (sizeof (FcObjectTypeList));
if (!bnl)
{
free (bn);
return 0;
}
for (i = 0; i < new_biggest; i++)
{
const FcObjectType * t = FcNameGetObjectType(bp);
if (t)
bn[i].type = t->type;
else
bn[i].type = FcTypeVoid;
bn[i].object = bp;
bp = bp + strlen(bp) + 1;
}
FcNameUnregisterObjectTypesFree (biggest_known_types, biggest_known_ntypes, FcFalse);
if (allocated_biggest_known_types)
{
free ((FcObjectTypeList *)biggest_known_types);
}
else
allocated_biggest_known_types = FcTrue;
FcNameRegisterObjectTypes (bn, new_biggest);
biggest_known_ntypes = new_biggest;
biggest_known_types = (const FcObjectType *)bn;
}
block_ptr = ALIGN (block_ptr, char);
block_ptr = (char *) block_ptr + biggest_known_count;
return block_ptr;
}
static const FcConstant _FcBaseConstants[] = {
{ (FcChar8 *) "thin", "weight", FC_WEIGHT_THIN, },
{ (FcChar8 *) "extralight", "weight", FC_WEIGHT_EXTRALIGHT, },
{ (FcChar8 *) "ultralight", "weight", FC_WEIGHT_EXTRALIGHT, },
{ (FcChar8 *) "light", "weight", FC_WEIGHT_LIGHT, },
{ (FcChar8 *) "book", "weight", FC_WEIGHT_BOOK, },
{ (FcChar8 *) "regular", "weight", FC_WEIGHT_REGULAR, },
{ (FcChar8 *) "medium", "weight", FC_WEIGHT_MEDIUM, },
{ (FcChar8 *) "demibold", "weight", FC_WEIGHT_DEMIBOLD, },
{ (FcChar8 *) "semibold", "weight", FC_WEIGHT_DEMIBOLD, },
{ (FcChar8 *) "bold", "weight", FC_WEIGHT_BOLD, },
{ (FcChar8 *) "extrabold", "weight", FC_WEIGHT_EXTRABOLD, },
{ (FcChar8 *) "ultrabold", "weight", FC_WEIGHT_EXTRABOLD, },
{ (FcChar8 *) "black", "weight", FC_WEIGHT_BLACK, },
{ (FcChar8 *) "roman", "slant", FC_SLANT_ROMAN, },
{ (FcChar8 *) "italic", "slant", FC_SLANT_ITALIC, },
{ (FcChar8 *) "oblique", "slant", FC_SLANT_OBLIQUE, },
{ (FcChar8 *) "ultracondensed", "width", FC_WIDTH_ULTRACONDENSED },
{ (FcChar8 *) "extracondensed", "width", FC_WIDTH_EXTRACONDENSED },
{ (FcChar8 *) "condensed", "width", FC_WIDTH_CONDENSED },
{ (FcChar8 *) "semicondensed", "width", FC_WIDTH_SEMICONDENSED },
{ (FcChar8 *) "normal", "width", FC_WIDTH_NORMAL },
{ (FcChar8 *) "semiexpanded", "width", FC_WIDTH_SEMIEXPANDED },
{ (FcChar8 *) "expanded", "width", FC_WIDTH_EXPANDED },
{ (FcChar8 *) "extraexpanded", "width", FC_WIDTH_EXTRAEXPANDED },
{ (FcChar8 *) "ultraexpanded", "width", FC_WIDTH_ULTRAEXPANDED },
{ (FcChar8 *) "proportional", "spacing", FC_PROPORTIONAL, },
{ (FcChar8 *) "dual", "spacing", FC_DUAL, },
{ (FcChar8 *) "mono", "spacing", FC_MONO, },
{ (FcChar8 *) "charcell", "spacing", FC_CHARCELL, },
{ (FcChar8 *) "unknown", "rgba", FC_RGBA_UNKNOWN },
{ (FcChar8 *) "rgb", "rgba", FC_RGBA_RGB, },
{ (FcChar8 *) "bgr", "rgba", FC_RGBA_BGR, },
{ (FcChar8 *) "vrgb", "rgba", FC_RGBA_VRGB },
{ (FcChar8 *) "vbgr", "rgba", FC_RGBA_VBGR },
{ (FcChar8 *) "none", "rgba", FC_RGBA_NONE },
{ (FcChar8 *) "hintnone", "hintstyle", FC_HINT_NONE },
{ (FcChar8 *) "hintslight", "hintstyle", FC_HINT_SLIGHT },
{ (FcChar8 *) "hintmedium", "hintstyle", FC_HINT_MEDIUM },
{ (FcChar8 *) "hintfull", "hintstyle", FC_HINT_FULL },
};
#define NUM_FC_CONSTANTS (sizeof _FcBaseConstants/sizeof _FcBaseConstants[0])
typedef struct _FcConstantList FcConstantList;
struct _FcConstantList {
const FcConstantList *next;
const FcConstant *consts;
int nconsts;
};
static const FcConstantList _FcBaseConstantList = {
0,
_FcBaseConstants,
NUM_FC_CONSTANTS
};
static const FcConstantList *_FcConstants = &_FcBaseConstantList;
FcBool
FcNameRegisterConstants (const FcConstant *consts, int nconsts)
{
FcConstantList *l;
l = (FcConstantList *) malloc (sizeof (FcConstantList));
if (!l)
return FcFalse;
FcMemAlloc (FC_MEM_CONSTANT, sizeof (FcConstantList));
l->consts = consts;
l->nconsts = nconsts;
l->next = _FcConstants;
_FcConstants = l;
return FcTrue;
}
FcBool
FcNameUnregisterConstants (const FcConstant *consts, int nconsts)
{
const FcConstantList *l, **prev;
for (prev = &_FcConstants;
(l = *prev);
prev = (const FcConstantList **) &(l->next))
{
if (l->consts == consts && l->nconsts == nconsts)
{
*prev = l->next;
FcMemFree (FC_MEM_CONSTANT, sizeof (FcConstantList));
free ((void *) l);
return FcTrue;
}
}
return FcFalse;
}
const FcConstant *
FcNameGetConstant (FcChar8 *string)
{
const FcConstantList *l;
int i;
for (l = _FcConstants; l; l = l->next)
{
for (i = 0; i < l->nconsts; i++)
if (!FcStrCmpIgnoreCase (string, l->consts[i].name))
return &l->consts[i];
}
return 0;
}
FcBool
FcNameConstant (FcChar8 *string, int *result)
{
const FcConstant *c;
if ((c = FcNameGetConstant(string)))
{
*result = c->value;
return FcTrue;
}
return FcFalse;
}
FcBool
FcNameBool (const FcChar8 *v, FcBool *result)
{
char c0, c1;
c0 = *v;
c0 = FcToLower (c0);
if (c0 == 't' || c0 == 'y' || c0 == '1')
{
*result = FcTrue;
return FcTrue;
}
if (c0 == 'f' || c0 == 'n' || c0 == '0')
{
*result = FcFalse;
return FcTrue;
}
if (c0 == 'o')
{
c1 = v[1];
c1 = FcToLower (c1);
if (c1 == 'n')
{
*result = FcTrue;
return FcTrue;
}
if (c1 == 'f')
{
*result = FcFalse;
return FcTrue;
}
}
return FcFalse;
}
static FcValue
FcNameConvert (FcType type, FcChar8 *string, FcMatrix *m)
{
FcValue v;
v.type = type;
switch (v.type) {
case FcTypeInteger:
if (!FcNameConstant (string, &v.u.i))
v.u.i = atoi ((char *) string);
break;
case FcTypeString:
v.u.s = FcStrStaticName(string);
break;
case FcTypeBool:
if (!FcNameBool (string, &v.u.b))
v.u.b = FcFalse;
break;
case FcTypeDouble:
v.u.d = strtod ((char *) string, 0);
break;
case FcTypeMatrix:
v.u.m = m;
sscanf ((char *) string, "%lg %lg %lg %lg", &m->xx, &m->xy, &m->yx, &m->yy);
break;
case FcTypeCharSet:
v.u.c = FcNameParseCharSet (string);
break;
case FcTypeLangSet:
v.u.l = FcNameParseLangSet (string);
break;
default:
break;
}
return v;
}
static const FcChar8 *
FcNameFindNext (const FcChar8 *cur, const char *delim, FcChar8 *save, FcChar8 *last)
{
FcChar8 c;
while ((c = *cur))
{
if (c == '\\')
{
++cur;
if (!(c = *cur))
break;
}
else if (strchr (delim, c))
break;
++cur;
*save++ = c;
}
*save = 0;
*last = *cur;
if (*cur)
cur++;
return cur;
}
FcPattern *
FcNameParse (const FcChar8 *name)
{
FcChar8 *save;
FcPattern *pat;
double d;
FcChar8 *e;
FcChar8 delim;
FcValue v;
FcMatrix m;
const FcObjectType *t;
const FcConstant *c;
/* freed below */
save = malloc (strlen ((char *) name) + 1);
if (!save)
goto bail0;
pat = FcPatternCreate ();
if (!pat)
goto bail1;
for (;;)
{
name = FcNameFindNext (name, "-,:", save, &delim);
if (save[0])
{
if (!FcPatternAddString (pat, FC_FAMILY, save))
goto bail2;
}
if (delim != ',')
break;
}
if (delim == '-')
{
for (;;)
{
name = FcNameFindNext (name, "-,:", save, &delim);
d = strtod ((char *) save, (char **) &e);
if (e != save)
{
if (!FcPatternAddDouble (pat, FC_SIZE, d))
goto bail2;
}
if (delim != ',')
break;
}
}
while (delim == ':')
{
name = FcNameFindNext (name, "=_:", save, &delim);
if (save[0])
{
if (delim == '=' || delim == '_')
{
t = FcNameGetObjectType ((char *) save);
for (;;)
{
name = FcNameFindNext (name, ":,", save, &delim);
if (t && strcmp (t->object, _FcBaseObjectTypes[0].object))
{
v = FcNameConvert (t->type, save, &m);
if (!FcPatternAdd (pat, t->object, v, FcTrue))
{
switch (v.type) {
case FcTypeCharSet:
FcCharSetDestroy ((FcCharSet *) v.u.c);
break;
case FcTypeLangSet:
FcLangSetDestroy ((FcLangSet *) v.u.l);
break;
default:
break;
}
goto bail2;
}
switch (v.type) {
case FcTypeCharSet:
FcCharSetDestroy ((FcCharSet *) v.u.c);
break;
case FcTypeLangSet:
FcLangSetDestroy ((FcLangSet *) v.u.l);
break;
default:
break;
}
}
if (delim != ',')
break;
}
}
else
{
if ((c = FcNameGetConstant (save)))
{
if (!FcPatternAddInteger (pat, c->object, c->value))
goto bail2;
}
}
}
}
free (save);
return pat;
bail2:
FcPatternDestroy (pat);
bail1:
free (save);
bail0:
return 0;
}
static FcBool
FcNameUnparseString (FcStrBuf *buf,
const FcChar8 *string,
const FcChar8 *escape)
{
FcChar8 c;
while ((c = *string++))
{
if (escape && strchr ((char *) escape, (char) c))
{
if (!FcStrBufChar (buf, escape[0]))
return FcFalse;
}
if (!FcStrBufChar (buf, c))
return FcFalse;
}
return FcTrue;
}
static FcBool
FcNameUnparseValue (FcStrBuf *buf,
FcValue *v0,
FcChar8 *escape)
{
FcChar8 temp[1024];
FcValue v = FcValueCanonicalize(v0);
switch (v.type) {
case FcTypeVoid:
return FcTrue;
case FcTypeInteger:
sprintf ((char *) temp, "%d", v.u.i);
return FcNameUnparseString (buf, temp, 0);
case FcTypeDouble:
sprintf ((char *) temp, "%g", v.u.d);
return FcNameUnparseString (buf, temp, 0);
case FcTypeString:
return FcNameUnparseString (buf, v.u.s, escape);
case FcTypeBool:
return FcNameUnparseString (buf, v.u.b ? (FcChar8 *) "True" : (FcChar8 *) "False", 0);
case FcTypeMatrix:
sprintf ((char *) temp, "%g %g %g %g",
v.u.m->xx, v.u.m->xy, v.u.m->yx, v.u.m->yy);
return FcNameUnparseString (buf, temp, 0);
case FcTypeCharSet:
return FcNameUnparseCharSet (buf, v.u.c);
case FcTypeLangSet:
return FcNameUnparseLangSet (buf, v.u.l);
case FcTypeFTFace:
return FcTrue;
}
return FcFalse;
}
static FcBool
FcNameUnparseValueList (FcStrBuf *buf,
FcValueListPtr v,
FcChar8 *escape)
{
while (FcValueListPtrU(v))
{
if (!FcNameUnparseValue (buf, &FcValueListPtrU(v)->value, escape))
return FcFalse;
if (FcValueListPtrU(v = FcValueListPtrU(v)->next))
if (!FcNameUnparseString (buf, (FcChar8 *) ",", 0))
return FcFalse;
}
return FcTrue;
}
#define FC_ESCAPE_FIXED "\\-:,"
#define FC_ESCAPE_VARIABLE "\\=_:,"
FcChar8 *
FcNameUnparse (FcPattern *pat)
{
return FcNameUnparseEscaped (pat, FcTrue);
}
FcChar8 *
FcNameUnparseEscaped (FcPattern *pat, FcBool escape)
{
FcStrBuf buf;
FcChar8 buf_static[8192];
int i;
FcPatternElt *e;
const FcObjectTypeList *l;
const FcObjectType *o;
FcStrBufInit (&buf, buf_static, sizeof (buf_static));
e = FcPatternFindElt (pat, FC_FAMILY);
if (e)
{
if (!FcNameUnparseValueList (&buf, e->values, escape ? (FcChar8 *) FC_ESCAPE_FIXED : 0))
goto bail0;
}
e = FcPatternFindElt (pat, FC_SIZE);
if (e)
{
if (!FcNameUnparseString (&buf, (FcChar8 *) "-", 0))
goto bail0;
if (!FcNameUnparseValueList (&buf, e->values, escape ? (FcChar8 *) FC_ESCAPE_FIXED : 0))
goto bail0;
}
for (l = _FcObjectTypes; l; l = l->next)
{
for (i = 0; i < l->ntypes; i++)
{
o = &l->types[i];
if (!strcmp (o->object, FC_FAMILY) ||
!strcmp (o->object, FC_SIZE) ||
!strcmp (o->object, FC_FILE))
continue;
e = FcPatternFindElt (pat, o->object);
if (e)
{
if (!FcNameUnparseString (&buf, (FcChar8 *) ":", 0))
goto bail0;
if (!FcNameUnparseString (&buf, (FcChar8 *) o->object, escape ? (FcChar8 *) FC_ESCAPE_VARIABLE : 0))
goto bail0;
if (!FcNameUnparseString (&buf, (FcChar8 *) "=", 0))
goto bail0;
if (!FcNameUnparseValueList (&buf, e->values, escape ?
(FcChar8 *) FC_ESCAPE_VARIABLE : 0))
goto bail0;
}
}
}
return FcStrBufDone (&buf);
bail0:
FcStrBufDestroy (&buf);
return 0;
}
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