diff options
Diffstat (limited to 'fontconfig/src/fcname.c')
-rw-r--r-- | fontconfig/src/fcname.c | 1804 |
1 files changed, 902 insertions, 902 deletions
diff --git a/fontconfig/src/fcname.c b/fontconfig/src/fcname.c index 98b50b457..d77eff6f7 100644 --- a/fontconfig/src/fcname.c +++ b/fontconfig/src/fcname.c @@ -1,902 +1,902 @@ -/*
- * fontconfig/src/fcname.c
- *
- * 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 the author(s) not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. The authors make no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE AUTHOR(S) 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 "fcint.h"
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-
-/*
- * Please do not change this list, it is used to initialize the object
- * list in this order to match the FC_foo_OBJECT constants. Those
- * constants are written into cache files.
- */
-
-static const FcObjectType _FcBaseObjectTypes[] = {
- { FC_FAMILY, FcTypeString, }, /* 1 */
- { 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_ANTIALIAS, FcTypeBool, },
- { FC_HINT_STYLE, FcTypeInteger, },
- { FC_HINTING, FcTypeBool, },
- { FC_VERTICAL_LAYOUT, FcTypeBool, },
- { FC_AUTOHINT, FcTypeBool, },
- { FC_GLOBAL_ADVANCE, FcTypeBool, },
- { 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_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 },
- { FC_DECORATIVE, FcTypeBool },
- { FC_LCD_FILTER, FcTypeInteger }, /* 41 */
-};
-
-#define NUM_OBJECT_TYPES (sizeof _FcBaseObjectTypes / sizeof _FcBaseObjectTypes[0])
-
-typedef struct _FcObjectTypeList FcObjectTypeList;
-
-struct _FcObjectTypeList {
- const FcObjectTypeList *next;
- const FcObjectType *types;
- int ntypes;
-};
-
-static const FcObjectTypeList _FcBaseObjectTypesList = {
- 0,
- _FcBaseObjectTypes,
- NUM_OBJECT_TYPES,
-};
-
-static const FcObjectTypeList *_FcObjectTypes = &_FcBaseObjectTypesList;
-
-#define OBJECT_HASH_SIZE 31
-
-typedef struct _FcObjectBucket {
- struct _FcObjectBucket *next;
- FcChar32 hash;
- FcObject id;
-} FcObjectBucket;
-
-static FcObjectBucket *FcObjectBuckets[OBJECT_HASH_SIZE];
-
-static FcObjectType *FcObjects = (FcObjectType *) _FcBaseObjectTypes;
-static int FcObjectsNumber = NUM_OBJECT_TYPES;
-static int FcObjectsSize = 0;
-static FcBool FcObjectsInited;
-
-static FcObjectType *
-FcObjectInsert (const char *name, FcType type)
-{
- FcObjectType *o;
- if (FcObjectsNumber >= FcObjectsSize)
- {
- int newsize = FcObjectsNumber * 2;
- FcObjectType *newobjects;
-
- if (FcObjectsSize)
- newobjects = realloc (FcObjects, newsize * sizeof (FcObjectType));
- else
- {
- newobjects = malloc (newsize * sizeof (FcObjectType));
- if (newobjects)
- memcpy (newobjects, FcObjects,
- FcObjectsNumber * sizeof (FcObjectType));
- }
- if (!newobjects)
- return NULL;
- FcObjects = newobjects;
- FcObjectsSize = newsize;
- }
- o = &FcObjects[FcObjectsNumber];
- o->object = name;
- o->type = type;
- ++FcObjectsNumber;
- return o;
-}
-
-static FcObject
-FcObjectId (FcObjectType *o)
-{
- return o - FcObjects + 1;
-}
-
-static FcObjectType *
-FcObjectFindByName (const char *object, FcBool insert)
-{
- FcChar32 hash = FcStringHash ((const FcChar8 *) object);
- FcObjectBucket **p;
- FcObjectBucket *b;
- FcObjectType *o;
-
- if (!FcObjectsInited)
- FcObjectInit ();
- for (p = &FcObjectBuckets[hash%OBJECT_HASH_SIZE]; (b = *p); p = &(b->next))
- {
- o = FcObjects + b->id - 1;
- if (b->hash == hash && !strcmp (object, (o->object)))
- return o;
- }
- if (!insert)
- return NULL;
- /*
- * Hook it into the hash chain
- */
- b = malloc (sizeof(FcObjectBucket));
- if (!b)
- return NULL;
- object = (const char *) FcStrCopy ((FcChar8 *) object);
- if (!object) {
- free (b);
- return NULL;
- }
- o = FcObjectInsert (object, -1);
- b->next = NULL;
- b->hash = hash;
- b->id = FcObjectId (o);
- *p = b;
- return o;
-}
-
-static FcObjectType *
-FcObjectFindById (FcObject object)
-{
- if (1 <= object && object <= FcObjectsNumber)
- return FcObjects + object - 1;
- return NULL;
-}
-
-static FcBool
-FcObjectHashInsert (const FcObjectType *object, FcBool copy)
-{
- FcChar32 hash = FcStringHash ((const FcChar8 *) object->object);
- FcObjectBucket **p;
- FcObjectBucket *b;
- FcObjectType *o;
-
- if (!FcObjectsInited)
- FcObjectInit ();
- for (p = &FcObjectBuckets[hash%OBJECT_HASH_SIZE]; (b = *p); p = &(b->next))
- {
- o = FcObjects + b->id - 1;
- if (b->hash == hash && !strcmp (object->object, o->object))
- return FcFalse;
- }
- /*
- * Hook it into the hash chain
- */
- b = malloc (sizeof(FcObjectBucket));
- if (!b)
- return FcFalse;
- if (copy)
- {
- o = FcObjectInsert (object->object, object->type);
- if (!o)
- {
- free (b);
- return FcFalse;
- }
- }
- else
- o = (FcObjectType *) object;
- b->next = NULL;
- b->hash = hash;
- b->id = FcObjectId (o);
- *p = b;
- return FcTrue;
-}
-
-static void
-FcObjectHashRemove (const FcObjectType *object, FcBool cleanobj)
-{
- FcChar32 hash = FcStringHash ((const FcChar8 *) object->object);
- FcObjectBucket **p;
- FcObjectBucket *b;
- FcObjectType *o;
-
- if (!FcObjectsInited)
- FcObjectInit ();
- for (p = &FcObjectBuckets[hash%OBJECT_HASH_SIZE]; (b = *p); p = &(b->next))
- {
- o = FcObjects + b->id - 1;
- if (b->hash == hash && !strcmp (object->object, o->object))
- {
- *p = b->next;
- free (b);
- if (cleanobj)
- {
- /* Clean up object array */
- o->object = NULL;
- o->type = -1;
- while (FcObjects[FcObjectsNumber-1].object == NULL)
- --FcObjectsNumber;
- }
- break;
- }
- }
-}
-
-FcBool
-FcNameRegisterObjectTypes (const FcObjectType *types, int ntypes)
-{
- int i;
-
- for (i = 0; i < ntypes; i++)
- if (!FcObjectHashInsert (&types[i], FcTrue))
- return FcFalse;
- return FcTrue;
-}
-
-FcBool
-FcNameUnregisterObjectTypes (const FcObjectType *types, int ntypes)
-{
- int i;
-
- for (i = 0; i < ntypes; i++)
- FcObjectHashRemove (&types[i], FcTrue);
- return FcTrue;
-}
-
-const FcObjectType *
-FcNameGetObjectType (const char *object)
-{
- return FcObjectFindByName (object, FcFalse);
-}
-
-FcBool
-FcObjectValidType (FcObject object, FcType type)
-{
- FcObjectType *t = FcObjectFindById (object);
-
- if (t) {
- switch (t->type) {
- case -1:
- return FcTrue;
- case FcTypeDouble:
- case FcTypeInteger:
- if (type == FcTypeDouble || type == FcTypeInteger)
- return FcTrue;
- break;
- case FcTypeLangSet:
- if (type == FcTypeLangSet || type == FcTypeString)
- return FcTrue;
- break;
- default:
- if (type == t->type)
- return FcTrue;
- break;
- }
- return FcFalse;
- }
- return FcTrue;
-}
-
-FcObject
-FcObjectFromName (const char * name)
-{
- FcObjectType *o = FcObjectFindByName (name, FcTrue);
-
- if (o)
- return FcObjectId (o);
- return 0;
-}
-
-FcObjectSet *
-FcObjectGetSet (void)
-{
- int i;
- FcObjectSet *os = NULL;
-
-
- os = FcObjectSetCreate ();
- for (i = 0; i < FcObjectsNumber; i++)
- FcObjectSetAdd (os, FcObjects[i].object);
-
- return os;
-}
-
-FcBool
-FcObjectInit (void)
-{
- int i;
-
- if (FcObjectsInited)
- return FcTrue;
-
- FcObjectsInited = FcTrue;
- for (i = 0; i < NUM_OBJECT_TYPES; i++)
- if (!FcObjectHashInsert (&_FcBaseObjectTypes[i], FcFalse))
- return FcFalse;
- return FcTrue;
-}
-
-void
-FcObjectFini (void)
-{
- int i;
- FcObjectBucket *b, *next;
-
- for (i = 0; i < OBJECT_HASH_SIZE; i++)
- {
- for (b = FcObjectBuckets[i]; b; b = next)
- {
- next = b->next;
- free (b);
- }
- FcObjectBuckets[i] = 0;
- }
- for (i = 0; i < FcObjectsNumber; i++)
- if (FcObjects[i].type == -1)
- free ((void*) FcObjects[i].object);
- if (FcObjects != _FcBaseObjectTypes)
- free (FcObjects);
- FcObjects = (FcObjectType *) _FcBaseObjectTypes;
- FcObjectsNumber = NUM_OBJECT_TYPES;
- FcObjectsSize = 0;
- FcObjectsInited = FcFalse;
-}
-
-const char *
-FcObjectName (FcObject object)
-{
- FcObjectType *o = FcObjectFindById (object);
-
- if (o)
- return o->object;
- return NULL;
-}
-
-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 *) "heavy", "weight", FC_WEIGHT_HEAVY, },
-
- { (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 },
-
- { (FcChar8 *) "antialias", "antialias", FcTrue },
- { (FcChar8 *) "hinting", "hinting", FcTrue },
- { (FcChar8 *) "verticallayout", "verticallayout", FcTrue },
- { (FcChar8 *) "autohint", "autohint", FcTrue },
- { (FcChar8 *) "globaladvance", "globaladvance", FcTrue },
- { (FcChar8 *) "outline", "outline", FcTrue },
- { (FcChar8 *) "scalable", "scalable", FcTrue },
- { (FcChar8 *) "minspace", "minspace", FcTrue },
- { (FcChar8 *) "embolden", "embolden", FcTrue },
- { (FcChar8 *) "embeddedbitmap", "embeddedbitmap", FcTrue },
- { (FcChar8 *) "decorative", "decorative", FcTrue },
- { (FcChar8 *) "lcdnone", "lcdfilter", FC_LCD_NONE },
- { (FcChar8 *) "lcddefault", "lcdfilter", FC_LCD_DEFAULT },
- { (FcChar8 *) "lcdlight", "lcdfilter", FC_LCD_LIGHT },
- { (FcChar8 *) "lcdlegacy", "lcdfilter", FC_LCD_LEGACY },
-};
-
-#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);
- if (!v.u.s)
- v.type = FcTypeVoid;
- 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);
- if (!v.u.c)
- v.type = FcTypeVoid;
- break;
- case FcTypeLangSet:
- v.u.l = FcNameParseLangSet (string);
- if (!v.u.l)
- v.type = FcTypeVoid;
- 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)
- {
- 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)))
- {
- t = FcNameGetObjectType ((char *) c->object);
- switch (t->type) {
- case FcTypeInteger:
- case FcTypeDouble:
- if (!FcPatternAddInteger (pat, c->object, c->value))
- goto bail2;
- break;
- case FcTypeBool:
- if (!FcPatternAddBool (pat, c->object, c->value))
- goto bail2;
- break;
- default:
- break;
- }
- }
- }
- }
- }
-
- 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;
-}
-
-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;
-}
-
-FcBool
-FcNameUnparseValueList (FcStrBuf *buf,
- FcValueListPtr v,
- FcChar8 *escape)
-{
- while (v)
- {
- if (!FcNameUnparseValue (buf, &v->value, escape))
- return FcFalse;
- if ((v = FcValueListNext(v)) != NULL)
- 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 = FcPatternObjectFindElt (pat, FC_FAMILY_OBJECT);
- if (e)
- {
- if (!FcNameUnparseValueList (&buf, FcPatternEltValues(e), escape ? (FcChar8 *) FC_ESCAPE_FIXED : 0))
- goto bail0;
- }
- e = FcPatternObjectFindElt (pat, FC_SIZE_OBJECT);
- if (e)
- {
- if (!FcNameUnparseString (&buf, (FcChar8 *) "-", 0))
- goto bail0;
- if (!FcNameUnparseValueList (&buf, FcPatternEltValues(e), 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))
- continue;
-
- e = FcPatternObjectFindElt (pat, FcObjectFromName (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, FcPatternEltValues(e), escape ?
- (FcChar8 *) FC_ESCAPE_VARIABLE : 0))
- goto bail0;
- }
- }
- }
- return FcStrBufDone (&buf);
-bail0:
- FcStrBufDestroy (&buf);
- return 0;
-}
-#define __fcname__
-#include "fcaliastail.h"
-#undef __fcname__
+/* + * fontconfig/src/fcname.c + * + * 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 the author(s) not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. The authors make no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE AUTHOR(S) 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 "fcint.h" +#include <ctype.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> + +/* + * Please do not change this list, it is used to initialize the object + * list in this order to match the FC_foo_OBJECT constants. Those + * constants are written into cache files. + */ + +static const FcObjectType _FcBaseObjectTypes[] = { + { FC_FAMILY, FcTypeString, }, /* 1 */ + { 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_ANTIALIAS, FcTypeBool, }, + { FC_HINT_STYLE, FcTypeInteger, }, + { FC_HINTING, FcTypeBool, }, + { FC_VERTICAL_LAYOUT, FcTypeBool, }, + { FC_AUTOHINT, FcTypeBool, }, + { FC_GLOBAL_ADVANCE, FcTypeBool, }, + { 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_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 }, + { FC_DECORATIVE, FcTypeBool }, + { FC_LCD_FILTER, FcTypeInteger }, /* 41 */ +}; + +#define NUM_OBJECT_TYPES (sizeof _FcBaseObjectTypes / sizeof _FcBaseObjectTypes[0]) + +typedef struct _FcObjectTypeList FcObjectTypeList; + +struct _FcObjectTypeList { + const FcObjectTypeList *next; + const FcObjectType *types; + int ntypes; +}; + +static const FcObjectTypeList _FcBaseObjectTypesList = { + 0, + _FcBaseObjectTypes, + NUM_OBJECT_TYPES, +}; + +static const FcObjectTypeList *_FcObjectTypes = &_FcBaseObjectTypesList; + +#define OBJECT_HASH_SIZE 31 + +typedef struct _FcObjectBucket { + struct _FcObjectBucket *next; + FcChar32 hash; + FcObject id; +} FcObjectBucket; + +static FcObjectBucket *FcObjectBuckets[OBJECT_HASH_SIZE]; + +static FcObjectType *FcObjects = (FcObjectType *) _FcBaseObjectTypes; +static int FcObjectsNumber = NUM_OBJECT_TYPES; +static int FcObjectsSize = 0; +static FcBool FcObjectsInited; + +static FcObjectType * +FcObjectInsert (const char *name, FcType type) +{ + FcObjectType *o; + if (FcObjectsNumber >= FcObjectsSize) + { + int newsize = FcObjectsNumber * 2; + FcObjectType *newobjects; + + if (FcObjectsSize) + newobjects = realloc (FcObjects, newsize * sizeof (FcObjectType)); + else + { + newobjects = malloc (newsize * sizeof (FcObjectType)); + if (newobjects) + memcpy (newobjects, FcObjects, + FcObjectsNumber * sizeof (FcObjectType)); + } + if (!newobjects) + return NULL; + FcObjects = newobjects; + FcObjectsSize = newsize; + } + o = &FcObjects[FcObjectsNumber]; + o->object = name; + o->type = type; + ++FcObjectsNumber; + return o; +} + +static FcObject +FcObjectId (FcObjectType *o) +{ + return o - FcObjects + 1; +} + +static FcObjectType * +FcObjectFindByName (const char *object, FcBool insert) +{ + FcChar32 hash = FcStringHash ((const FcChar8 *) object); + FcObjectBucket **p; + FcObjectBucket *b; + FcObjectType *o; + + if (!FcObjectsInited) + FcObjectInit (); + for (p = &FcObjectBuckets[hash%OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) + { + o = FcObjects + b->id - 1; + if (b->hash == hash && !strcmp (object, (o->object))) + return o; + } + if (!insert) + return NULL; + /* + * Hook it into the hash chain + */ + b = malloc (sizeof(FcObjectBucket)); + if (!b) + return NULL; + object = (const char *) FcStrCopy ((FcChar8 *) object); + if (!object) { + free (b); + return NULL; + } + o = FcObjectInsert (object, -1); + b->next = NULL; + b->hash = hash; + b->id = FcObjectId (o); + *p = b; + return o; +} + +static FcObjectType * +FcObjectFindById (FcObject object) +{ + if (1 <= object && object <= FcObjectsNumber) + return FcObjects + object - 1; + return NULL; +} + +static FcBool +FcObjectHashInsert (const FcObjectType *object, FcBool copy) +{ + FcChar32 hash = FcStringHash ((const FcChar8 *) object->object); + FcObjectBucket **p; + FcObjectBucket *b; + FcObjectType *o; + + if (!FcObjectsInited) + FcObjectInit (); + for (p = &FcObjectBuckets[hash%OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) + { + o = FcObjects + b->id - 1; + if (b->hash == hash && !strcmp (object->object, o->object)) + return FcFalse; + } + /* + * Hook it into the hash chain + */ + b = malloc (sizeof(FcObjectBucket)); + if (!b) + return FcFalse; + if (copy) + { + o = FcObjectInsert (object->object, object->type); + if (!o) + { + free (b); + return FcFalse; + } + } + else + o = (FcObjectType *) object; + b->next = NULL; + b->hash = hash; + b->id = FcObjectId (o); + *p = b; + return FcTrue; +} + +static void +FcObjectHashRemove (const FcObjectType *object, FcBool cleanobj) +{ + FcChar32 hash = FcStringHash ((const FcChar8 *) object->object); + FcObjectBucket **p; + FcObjectBucket *b; + FcObjectType *o; + + if (!FcObjectsInited) + FcObjectInit (); + for (p = &FcObjectBuckets[hash%OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) + { + o = FcObjects + b->id - 1; + if (b->hash == hash && !strcmp (object->object, o->object)) + { + *p = b->next; + free (b); + if (cleanobj) + { + /* Clean up object array */ + o->object = NULL; + o->type = -1; + while (FcObjects[FcObjectsNumber-1].object == NULL) + --FcObjectsNumber; + } + break; + } + } +} + +FcBool +FcNameRegisterObjectTypes (const FcObjectType *types, int ntypes) +{ + int i; + + for (i = 0; i < ntypes; i++) + if (!FcObjectHashInsert (&types[i], FcTrue)) + return FcFalse; + return FcTrue; +} + +FcBool +FcNameUnregisterObjectTypes (const FcObjectType *types, int ntypes) +{ + int i; + + for (i = 0; i < ntypes; i++) + FcObjectHashRemove (&types[i], FcTrue); + return FcTrue; +} + +const FcObjectType * +FcNameGetObjectType (const char *object) +{ + return FcObjectFindByName (object, FcFalse); +} + +FcBool +FcObjectValidType (FcObject object, FcType type) +{ + FcObjectType *t = FcObjectFindById (object); + + if (t) { + switch (t->type) { + case -1: + return FcTrue; + case FcTypeDouble: + case FcTypeInteger: + if (type == FcTypeDouble || type == FcTypeInteger) + return FcTrue; + break; + case FcTypeLangSet: + if (type == FcTypeLangSet || type == FcTypeString) + return FcTrue; + break; + default: + if (type == t->type) + return FcTrue; + break; + } + return FcFalse; + } + return FcTrue; +} + +FcObject +FcObjectFromName (const char * name) +{ + FcObjectType *o = FcObjectFindByName (name, FcTrue); + + if (o) + return FcObjectId (o); + return 0; +} + +FcObjectSet * +FcObjectGetSet (void) +{ + int i; + FcObjectSet *os = NULL; + + + os = FcObjectSetCreate (); + for (i = 0; i < FcObjectsNumber; i++) + FcObjectSetAdd (os, FcObjects[i].object); + + return os; +} + +FcBool +FcObjectInit (void) +{ + int i; + + if (FcObjectsInited) + return FcTrue; + + FcObjectsInited = FcTrue; + for (i = 0; i < NUM_OBJECT_TYPES; i++) + if (!FcObjectHashInsert (&_FcBaseObjectTypes[i], FcFalse)) + return FcFalse; + return FcTrue; +} + +void +FcObjectFini (void) +{ + int i; + FcObjectBucket *b, *next; + + for (i = 0; i < OBJECT_HASH_SIZE; i++) + { + for (b = FcObjectBuckets[i]; b; b = next) + { + next = b->next; + free (b); + } + FcObjectBuckets[i] = 0; + } + for (i = 0; i < FcObjectsNumber; i++) + if (FcObjects[i].type == -1) + free ((void*) FcObjects[i].object); + if (FcObjects != _FcBaseObjectTypes) + free (FcObjects); + FcObjects = (FcObjectType *) _FcBaseObjectTypes; + FcObjectsNumber = NUM_OBJECT_TYPES; + FcObjectsSize = 0; + FcObjectsInited = FcFalse; +} + +const char * +FcObjectName (FcObject object) +{ + FcObjectType *o = FcObjectFindById (object); + + if (o) + return o->object; + return NULL; +} + +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 *) "heavy", "weight", FC_WEIGHT_HEAVY, }, + + { (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 }, + + { (FcChar8 *) "antialias", "antialias", FcTrue }, + { (FcChar8 *) "hinting", "hinting", FcTrue }, + { (FcChar8 *) "verticallayout", "verticallayout", FcTrue }, + { (FcChar8 *) "autohint", "autohint", FcTrue }, + { (FcChar8 *) "globaladvance", "globaladvance", FcTrue }, + { (FcChar8 *) "outline", "outline", FcTrue }, + { (FcChar8 *) "scalable", "scalable", FcTrue }, + { (FcChar8 *) "minspace", "minspace", FcTrue }, + { (FcChar8 *) "embolden", "embolden", FcTrue }, + { (FcChar8 *) "embeddedbitmap", "embeddedbitmap", FcTrue }, + { (FcChar8 *) "decorative", "decorative", FcTrue }, + { (FcChar8 *) "lcdnone", "lcdfilter", FC_LCD_NONE }, + { (FcChar8 *) "lcddefault", "lcdfilter", FC_LCD_DEFAULT }, + { (FcChar8 *) "lcdlight", "lcdfilter", FC_LCD_LIGHT }, + { (FcChar8 *) "lcdlegacy", "lcdfilter", FC_LCD_LEGACY }, +}; + +#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); + if (!v.u.s) + v.type = FcTypeVoid; + 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); + if (!v.u.c) + v.type = FcTypeVoid; + break; + case FcTypeLangSet: + v.u.l = FcNameParseLangSet (string); + if (!v.u.l) + v.type = FcTypeVoid; + 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) + { + 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))) + { + t = FcNameGetObjectType ((char *) c->object); + switch (t->type) { + case FcTypeInteger: + case FcTypeDouble: + if (!FcPatternAddInteger (pat, c->object, c->value)) + goto bail2; + break; + case FcTypeBool: + if (!FcPatternAddBool (pat, c->object, c->value)) + goto bail2; + break; + default: + break; + } + } + } + } + } + + 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; +} + +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; +} + +FcBool +FcNameUnparseValueList (FcStrBuf *buf, + FcValueListPtr v, + FcChar8 *escape) +{ + while (v) + { + if (!FcNameUnparseValue (buf, &v->value, escape)) + return FcFalse; + if ((v = FcValueListNext(v)) != NULL) + 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 = FcPatternObjectFindElt (pat, FC_FAMILY_OBJECT); + if (e) + { + if (!FcNameUnparseValueList (&buf, FcPatternEltValues(e), escape ? (FcChar8 *) FC_ESCAPE_FIXED : 0)) + goto bail0; + } + e = FcPatternObjectFindElt (pat, FC_SIZE_OBJECT); + if (e) + { + if (!FcNameUnparseString (&buf, (FcChar8 *) "-", 0)) + goto bail0; + if (!FcNameUnparseValueList (&buf, FcPatternEltValues(e), 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)) + continue; + + e = FcPatternObjectFindElt (pat, FcObjectFromName (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, FcPatternEltValues(e), escape ? + (FcChar8 *) FC_ESCAPE_VARIABLE : 0)) + goto bail0; + } + } + } + return FcStrBufDone (&buf); +bail0: + FcStrBufDestroy (&buf); + return 0; +} +#define __fcname__ +#include "fcaliastail.h" +#undef __fcname__ |