[fontconfig.git] / src / fcname.c

/*
 * $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"

static const FcObjectType _FcBaseObjectTypes[] = {
    { 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_RENDER,	FcTypeBool, },*/
    { 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 },
};

#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;

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;
    _FcObjectTypes = l;
    return FcTrue;
}

FcBool
FcNameUnregisterObjectTypes (const FcObjectType *types, int ntypes)
{
    const FcObjectTypeList	*l, **prev;

    for (prev = &_FcObjectTypes; 
	 (l = *prev); 
	 prev = (const FcObjectTypeList **) &(l->next))
    {
	if (l->types == types && l->ntypes == ntypes)
	{
	    *prev = l->next;
	    FcMemFree (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList));
	    free ((void *) l);
	    return FcTrue;
	}
    }
    return FcFalse;
}

const FcObjectType *
FcNameGetObjectType (const char *object)
{
    int			    i;
    const FcObjectTypeList  *l;
    const FcObjectType	    *t;
    
    for (l = _FcObjectTypes; l; l = l->next)
    {
	for (i = 0; i < l->ntypes; i++)
	{
	    t = &l->types[i];
	    if (!strcmp (object, t->object))
		return t;
	}
    }
    return 0;
}

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 (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 = 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)
		    {
			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	v,
		    FcChar8	*escape)
{
    FcChar8	temp[1024];
    
    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,
			FcValueList	*v,
			FcChar8		*escape)
{
    while (v)
    {
	if (!FcNameUnparseValue (buf, v->value, escape))
	    return FcFalse;
	if ((v = v->next))
	    if (!FcNameUnparseString (buf, (FcChar8 *) ",", 0))
		return FcFalse;
    }
    return FcTrue;
}

#define FC_ESCAPE_FIXED    "\\-:,"
#define FC_ESCAPE_VARIABLE "\\=_:,"

FcChar8 *
FcNameUnparse (FcPattern *pat)
{
    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, (FcChar8 *) FC_ESCAPE_FIXED))
	    goto bail0;
    }
    e = FcPatternFindElt (pat, FC_SIZE);
    if (e)
    {
	if (!FcNameUnparseString (&buf, (FcChar8 *) "-", 0))
	    goto bail0;
	if (!FcNameUnparseValueList (&buf, e->values, (FcChar8 *) FC_ESCAPE_FIXED))
	    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, (FcChar8 *) FC_ESCAPE_VARIABLE))
		    goto bail0;
		if (!FcNameUnparseString (&buf, (FcChar8 *) "=", 0))
		    goto bail0;
		if (!FcNameUnparseValueList (&buf, e->values, 
					     (FcChar8 *) FC_ESCAPE_VARIABLE))
		    goto bail0;
	    }
	}
    }
    return FcStrBufDone (&buf);
bail0:
    FcStrBufDestroy (&buf);
    return 0;
}
Commit	Line	Data
24330d27	1	/*
94421e40	2	* $RCSId: xc/lib/fontconfig/src/fcname.c,v 1.15 2002/09/26 00:17:28 keithp Exp $
24330d27	3	*
46b51147	4	* Copyright © 2000 Keith Packard
24330d27 KP	5	*
	6	* Permission to use, copy, modify, distribute, and sell this software and its
	7	* documentation for any purpose is hereby granted without fee, provided that
	8	* the above copyright notice appear in all copies and that both that
	9	* copyright notice and this permission notice appear in supporting
	10	* documentation, and that the name of Keith Packard not be used in
	11	* advertising or publicity pertaining to distribution of the software without
	12	* specific, written prior permission. Keith Packard makes no
	13	* representations about the suitability of this software for any purpose. It
	14	* is provided "as is" without express or implied warranty.
	15	*
	16	* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
	17	* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
	18	* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
	19	* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
	20	* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
	21	* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
	22	* PERFORMANCE OF THIS SOFTWARE.
	23	*/
	24
	25	#include <ctype.h>
	26	#include <stdlib.h>
	27	#include <string.h>
	28	#include <stdio.h>
	29	#include "fcint.h"
	30
	31	static const FcObjectType _FcBaseObjectTypes[] = {
	32	{ FC_FAMILY, FcTypeString, },
4f27c1c0	33	{ FC_FAMILYLANG, FcTypeString, },
24330d27	34	{ FC_STYLE, FcTypeString, },
4f27c1c0 KP	35	{ FC_STYLELANG, FcTypeString, },
	36	{ FC_FULLNAME, FcTypeString, },
	37	{ FC_FULLNAMELANG, FcTypeString, },
24330d27 KP	38	{ FC_SLANT, FcTypeInteger, },
24330d27 KP	39	{ FC_WEIGHT, FcTypeInteger, },
81fa16c3	40	{ FC_WIDTH, FcTypeInteger, },
24330d27	41	{ FC_SIZE, FcTypeDouble, },
2a41214a	42	{ FC_ASPECT, FcTypeDouble, },
24330d27 KP	43	{ FC_PIXEL_SIZE, FcTypeDouble, },
	44	{ FC_SPACING, FcTypeInteger, },
	45	{ FC_FOUNDRY, FcTypeString, },
	46	/* { FC_CORE, FcTypeBool, }, */
	47	{ FC_ANTIALIAS, FcTypeBool, },
f077d662	48	{ FC_HINT_STYLE, FcTypeInteger, },
4c003605 KP	49	{ FC_HINTING, FcTypeBool, },
	50	{ FC_VERTICAL_LAYOUT, FcTypeBool, },
	51	{ FC_AUTOHINT, FcTypeBool, },
	52	{ FC_GLOBAL_ADVANCE, FcTypeBool, },
24330d27 KP	53	/* { FC_XLFD, FcTypeString, }, */
	54	{ FC_FILE, FcTypeString, },
	55	{ FC_INDEX, FcTypeInteger, },
	56	{ FC_RASTERIZER, FcTypeString, },
	57	{ FC_OUTLINE, FcTypeBool, },
	58	{ FC_SCALABLE, FcTypeBool, },
4c003605	59	{ FC_DPI, FcTypeDouble },
24330d27 KP	60	{ FC_RGBA, FcTypeInteger, },
	61	{ FC_SCALE, FcTypeDouble, },
	62	/* { FC_RENDER, FcTypeBool, },*/
	63	{ FC_MINSPACE, FcTypeBool, },
	64	{ FC_CHAR_WIDTH, FcTypeInteger },
	65	{ FC_CHAR_HEIGHT, FcTypeInteger },
	66	{ FC_MATRIX, FcTypeMatrix },
	67	{ FC_CHARSET, FcTypeCharSet },
d8d73958	68	{ FC_LANG, FcTypeLangSet },
a342e87d	69	{ FC_FONTVERSION, FcTypeInteger },
dbf68dd5	70	{ FC_CAPABILITY, FcTypeString },
537e3d23	71	{ FC_FONTFORMAT, FcTypeString },
24330d27 KP	72	};
	73
	74	#define NUM_OBJECT_TYPES (sizeof _FcBaseObjectTypes / sizeof _FcBaseObjectTypes[0])
	75
	76	typedef struct _FcObjectTypeList FcObjectTypeList;
	77
	78	struct _FcObjectTypeList {
	79	const FcObjectTypeList *next;
	80	const FcObjectType *types;
	81	int ntypes;
	82	};
	83
	84	static const FcObjectTypeList _FcBaseObjectTypesList = {
	85	0,
	86	_FcBaseObjectTypes,
	87	NUM_OBJECT_TYPES
	88	};
	89
	90	static const FcObjectTypeList *_FcObjectTypes = &_FcBaseObjectTypesList;
	91
	92	FcBool
	93	FcNameRegisterObjectTypes (const FcObjectType *types, int ntypes)
	94	{
	95	FcObjectTypeList *l;
	96
	97	l = (FcObjectTypeList *) malloc (sizeof (FcObjectTypeList));
	98	if (!l)
	99	return FcFalse;
9dac3c59	100	FcMemAlloc (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList));
24330d27 KP	101	l->types = types;
	102	l->ntypes = ntypes;
	103	l->next = _FcObjectTypes;
	104	_FcObjectTypes = l;
	105	return FcTrue;
	106	}
	107
	108	FcBool
	109	FcNameUnregisterObjectTypes (const FcObjectType *types, int ntypes)
	110	{
	111	const FcObjectTypeList l, *prev;
	112
	113	for (prev = &_FcObjectTypes;
	114	(l = *prev);
	115	prev = (const FcObjectTypeList **) &(l->next))
	116	{
	117	if (l->types == types && l->ntypes == ntypes)
	118	{
	119	*prev = l->next;
9dac3c59	120	FcMemFree (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList));
24330d27 KP	121	free ((void *) l);
	122	return FcTrue;
	123	}
	124	}
	125	return FcFalse;
	126	}
	127
	128	const FcObjectType *
	129	FcNameGetObjectType (const char *object)
	130	{
	131	int i;
	132	const FcObjectTypeList *l;
	133	const FcObjectType *t;
	134
	135	for (l = _FcObjectTypes; l; l = l->next)
	136	{
	137	for (i = 0; i < l->ntypes; i++)
	138	{
	139	t = &l->types[i];
bc9469ba	140	if (!strcmp (object, t->object))
24330d27 KP	141	return t;
	142	}
	143	}
	144	return 0;
	145	}
	146
	147	static const FcConstant _FcBaseConstants[] = {
81fa16c3 KP	148	{ (FcChar8 *) "thin", "weight", FC_WEIGHT_THIN, },
	149	{ (FcChar8 *) "extralight", "weight", FC_WEIGHT_EXTRALIGHT, },
	150	{ (FcChar8 *) "ultralight", "weight", FC_WEIGHT_EXTRALIGHT, },
ccb3e93b	151	{ (FcChar8 *) "light", "weight", FC_WEIGHT_LIGHT, },
1f71c4d8	152	{ (FcChar8 *) "book", "weight", FC_WEIGHT_BOOK, },
81fa16c3	153	{ (FcChar8 *) "regular", "weight", FC_WEIGHT_REGULAR, },
ccb3e93b KP	154	{ (FcChar8 *) "medium", "weight", FC_WEIGHT_MEDIUM, },
ccb3e93b KP	155	{ (FcChar8 *) "demibold", "weight", FC_WEIGHT_DEMIBOLD, },
81fa16c3	156	{ (FcChar8 *) "semibold", "weight", FC_WEIGHT_DEMIBOLD, },
ccb3e93b	157	{ (FcChar8 *) "bold", "weight", FC_WEIGHT_BOLD, },
81fa16c3 KP	158	{ (FcChar8 *) "extrabold", "weight", FC_WEIGHT_EXTRABOLD, },
81fa16c3 KP	159	{ (FcChar8 *) "ultrabold", "weight", FC_WEIGHT_EXTRABOLD, },
ccb3e93b KP	160	{ (FcChar8 *) "black", "weight", FC_WEIGHT_BLACK, },
	161
	162	{ (FcChar8 *) "roman", "slant", FC_SLANT_ROMAN, },
	163	{ (FcChar8 *) "italic", "slant", FC_SLANT_ITALIC, },
	164	{ (FcChar8 *) "oblique", "slant", FC_SLANT_OBLIQUE, },
	165
81fa16c3 KP	166	{ (FcChar8 *) "ultracondensed", "width", FC_WIDTH_ULTRACONDENSED },
	167	{ (FcChar8 *) "extracondensed", "width", FC_WIDTH_EXTRACONDENSED },
	168	{ (FcChar8 *) "condensed", "width", FC_WIDTH_CONDENSED },
	169	{ (FcChar8 *) "semicondensed", "width", FC_WIDTH_SEMICONDENSED },
	170	{ (FcChar8 *) "normal", "width", FC_WIDTH_NORMAL },
	171	{ (FcChar8 *) "semiexpanded", "width", FC_WIDTH_SEMIEXPANDED },
	172	{ (FcChar8 *) "expanded", "width", FC_WIDTH_EXPANDED },
	173	{ (FcChar8 *) "extraexpanded", "width", FC_WIDTH_EXTRAEXPANDED },
	174	{ (FcChar8 *) "ultraexpanded", "width", FC_WIDTH_ULTRAEXPANDED },
	175
ccb3e93b	176	{ (FcChar8 *) "proportional", "spacing", FC_PROPORTIONAL, },
a05d257f	177	{ (FcChar8 *) "dual", "spacing", FC_DUAL, },
ccb3e93b KP	178	{ (FcChar8 *) "mono", "spacing", FC_MONO, },
	179	{ (FcChar8 *) "charcell", "spacing", FC_CHARCELL, },
	180
1852d490	181	{ (FcChar8 *) "unknown", "rgba", FC_RGBA_UNKNOWN },
ccb3e93b KP	182	{ (FcChar8 *) "rgb", "rgba", FC_RGBA_RGB, },
	183	{ (FcChar8 *) "bgr", "rgba", FC_RGBA_BGR, },
	184	{ (FcChar8 *) "vrgb", "rgba", FC_RGBA_VRGB },
	185	{ (FcChar8 *) "vbgr", "rgba", FC_RGBA_VBGR },
1852d490	186	{ (FcChar8 *) "none", "rgba", FC_RGBA_NONE },
f077d662 OT	187
	188	{ (FcChar8 *) "hintnone", "hintstyle", FC_HINT_NONE },
	189	{ (FcChar8 *) "hintslight", "hintstyle", FC_HINT_SLIGHT },
	190	{ (FcChar8 *) "hintmedium", "hintstyle", FC_HINT_MEDIUM },
	191	{ (FcChar8 *) "hintfull", "hintstyle", FC_HINT_FULL },
24330d27 KP	192	};
	193
	194	#define NUM_FC_CONSTANTS (sizeof _FcBaseConstants/sizeof _FcBaseConstants[0])
	195
	196	typedef struct _FcConstantList FcConstantList;
	197
	198	struct _FcConstantList {
	199	const FcConstantList *next;
	200	const FcConstant *consts;
	201	int nconsts;
	202	};
	203
	204	static const FcConstantList _FcBaseConstantList = {
	205	0,
	206	_FcBaseConstants,
	207	NUM_FC_CONSTANTS
	208	};
	209
	210	static const FcConstantList *_FcConstants = &_FcBaseConstantList;
	211
	212	FcBool
	213	FcNameRegisterConstants (const FcConstant *consts, int nconsts)
	214	{
	215	FcConstantList *l;
	216
	217	l = (FcConstantList *) malloc (sizeof (FcConstantList));
	218	if (!l)
	219	return FcFalse;
9dac3c59	220	FcMemAlloc (FC_MEM_CONSTANT, sizeof (FcConstantList));
24330d27 KP	221	l->consts = consts;
	222	l->nconsts = nconsts;
	223	l->next = _FcConstants;
	224	_FcConstants = l;
	225	return FcTrue;
	226	}
	227
	228	FcBool
	229	FcNameUnregisterConstants (const FcConstant *consts, int nconsts)
	230	{
	231	const FcConstantList l, *prev;
	232
	233	for (prev = &_FcConstants;
	234	(l = *prev);
	235	prev = (const FcConstantList **) &(l->next))
	236	{
	237	if (l->consts == consts && l->nconsts == nconsts)
	238	{
	239	*prev = l->next;
9dac3c59	240	FcMemFree (FC_MEM_CONSTANT, sizeof (FcConstantList));
24330d27 KP	241	free ((void *) l);
	242	return FcTrue;
	243	}
	244	}
	245	return FcFalse;
	246	}
	247
	248	const FcConstant *
ccb3e93b	249	FcNameGetConstant (FcChar8 *string)
24330d27 KP	250	{
	251	const FcConstantList *l;
	252	int i;
94421e40	253
24330d27 KP	254	for (l = _FcConstants; l; l = l->next)
	255	{
	256	for (i = 0; i < l->nconsts; i++)
	257	if (!FcStrCmpIgnoreCase (string, l->consts[i].name))
	258	return &l->consts[i];
	259	}
	260	return 0;
	261	}
	262
	263	FcBool
ccb3e93b	264	FcNameConstant (FcChar8 string, int result)
24330d27 KP	265	{
	266	const FcConstant *c;
	267
	268	if ((c = FcNameGetConstant(string)))
	269	{
	270	*result = c->value;
	271	return FcTrue;
	272	}
	273	return FcFalse;
	274	}
	275
	276	FcBool
ccb3e93b	277	FcNameBool (FcChar8 v, FcBool result)
24330d27 KP	278	{
	279	char c0, c1;
	280
	281	c0 = *v;
94421e40	282	c0 = FcToLower (c0);
24330d27 KP	283	if (c0 == 't' \|\| c0 == 'y' \|\| c0 == '1')
	284	{
	285	*result = FcTrue;
	286	return FcTrue;
	287	}
	288	if (c0 == 'f' \|\| c0 == 'n' \|\| c0 == '0')
	289	{
	290	*result = FcFalse;
	291	return FcTrue;
	292	}
	293	if (c0 == 'o')
	294	{
	295	c1 = v[1];
94421e40	296	c1 = FcToLower (c1);
24330d27 KP	297	if (c1 == 'n')
	298	{
	299	*result = FcTrue;
	300	return FcTrue;
	301	}
	302	if (c1 == 'f')
	303	{
	304	*result = FcFalse;
	305	return FcTrue;
	306	}
	307	}
	308	return FcFalse;
	309	}
	310
	311	static FcValue
ccb3e93b	312	FcNameConvert (FcType type, FcChar8 string, FcMatrix m)
24330d27 KP	313	{
	314	FcValue v;
	315
	316	v.type = type;
	317	switch (v.type) {
	318	case FcTypeInteger:
	319	if (!FcNameConstant (string, &v.u.i))
ccb3e93b	320	v.u.i = atoi ((char *) string);
24330d27 KP	321	break;
	322	case FcTypeString:
	323	v.u.s = string;
	324	break;
	325	case FcTypeBool:
	326	if (!FcNameBool (string, &v.u.b))
	327	v.u.b = FcFalse;
	328	break;
	329	case FcTypeDouble:
ccb3e93b	330	v.u.d = strtod ((char *) string, 0);
24330d27 KP	331	break;
	332	case FcTypeMatrix:
	333	v.u.m = m;
ccb3e93b	334	sscanf ((char *) string, "%lg %lg %lg %lg", &m->xx, &m->xy, &m->yx, &m->yy);
24330d27 KP	335	break;
	336	case FcTypeCharSet:
	337	v.u.c = FcNameParseCharSet (string);
	338	break;
d8d73958 KP	339	case FcTypeLangSet:
	340	v.u.l = FcNameParseLangSet (string);
	341	break;
24330d27 KP	342	default:
	343	break;
	344	}
	345	return v;
	346	}
	347
ccb3e93b KP	348	static const FcChar8 *
ccb3e93b KP	349	FcNameFindNext (const FcChar8 cur, const char delim, FcChar8 save, FcChar8 last)
24330d27	350	{
ccb3e93b	351	FcChar8 c;
24330d27 KP	352
	353	while ((c = *cur))
	354	{
	355	if (c == '\\')
	356	{
	357	++cur;
	358	if (!(c = *cur))
	359	break;
	360	}
	361	else if (strchr (delim, c))
	362	break;
	363	++cur;
	364	*save++ = c;
	365	}
	366	*save = 0;
	367	last = cur;
	368	if (*cur)
	369	cur++;
	370	return cur;
	371	}
	372
	373	FcPattern *
ccb3e93b	374	FcNameParse (const FcChar8 *name)
24330d27	375	{
ccb3e93b	376	FcChar8 *save;
24330d27 KP	377	FcPattern *pat;
24330d27 KP	378	double d;
ccb3e93b KP	379	FcChar8 *e;
ccb3e93b KP	380	FcChar8 delim;
24330d27 KP	381	FcValue v;
	382	FcMatrix m;
	383	const FcObjectType *t;
	384	const FcConstant *c;
	385
9dac3c59	386	/* freed below */
ccb3e93b	387	save = malloc (strlen ((char *) name) + 1);
24330d27 KP	388	if (!save)
	389	goto bail0;
	390	pat = FcPatternCreate ();
	391	if (!pat)
	392	goto bail1;
	393
	394	for (;;)
	395	{
	396	name = FcNameFindNext (name, "-,:", save, &delim);
	397	if (save[0])
	398	{
	399	if (!FcPatternAddString (pat, FC_FAMILY, save))
	400	goto bail2;
	401	}
	402	if (delim != ',')
	403	break;
	404	}
	405	if (delim == '-')
	406	{
	407	for (;;)
	408	{
	409	name = FcNameFindNext (name, "-,:", save, &delim);
ccb3e93b	410	d = strtod ((char ) save, (char *) &e);
24330d27 KP	411	if (e != save)
	412	{
	413	if (!FcPatternAddDouble (pat, FC_SIZE, d))
	414	goto bail2;
	415	}
	416	if (delim != ',')
	417	break;
	418	}
	419	}
	420	while (delim == ':')
	421	{
	422	name = FcNameFindNext (name, "=_:", save, &delim);
	423	if (save[0])
	424	{
	425	if (delim == '=' \|\| delim == '_')
	426	{
ccb3e93b	427	t = FcNameGetObjectType ((char *) save);
24330d27 KP	428	for (;;)
	429	{
	430	name = FcNameFindNext (name, ":,", save, &delim);
c552f59b	431	if (t)
24330d27 KP	432	{
	433	v = FcNameConvert (t->type, save, &m);
	434	if (!FcPatternAdd (pat, t->object, v, FcTrue))
	435	{
d8d73958 KP	436	switch (v.type) {
d8d73958 KP	437	case FcTypeCharSet:
24330d27	438	FcCharSetDestroy ((FcCharSet *) v.u.c);
d8d73958 KP	439	break;
	440	case FcTypeLangSet:
	441	FcLangSetDestroy ((FcLangSet *) v.u.l);
	442	break;
	443	default:
	444	break;
	445	}
24330d27 KP	446	goto bail2;
24330d27 KP	447	}
d8d73958 KP	448	switch (v.type) {
d8d73958 KP	449	case FcTypeCharSet:
24330d27	450	FcCharSetDestroy ((FcCharSet *) v.u.c);
d8d73958 KP	451	break;
	452	case FcTypeLangSet:
	453	FcLangSetDestroy ((FcLangSet *) v.u.l);
	454	break;
	455	default:
	456	break;
	457	}
24330d27 KP	458	}
	459	if (delim != ',')
	460	break;
	461	}
	462	}
	463	else
	464	{
	465	if ((c = FcNameGetConstant (save)))
	466	{
	467	if (!FcPatternAddInteger (pat, c->object, c->value))
	468	goto bail2;
	469	}
	470	}
	471	}
	472	}
	473
	474	free (save);
	475	return pat;
	476
	477	bail2:
	478	FcPatternDestroy (pat);
	479	bail1:
	480	free (save);
	481	bail0:
	482	return 0;
	483	}
24330d27	484	static FcBool
c2e7c611	485	FcNameUnparseString (FcStrBuf *buf,
24330d27 KP	486	const FcChar8 *string,
	487	const FcChar8 *escape)
	488	{
	489	FcChar8 c;
	490	while ((c = *string++))
	491	{
	492	if (escape && strchr ((char *) escape, (char) c))
	493	{
c2e7c611	494	if (!FcStrBufChar (buf, escape[0]))
24330d27 KP	495	return FcFalse;
24330d27 KP	496	}
c2e7c611	497	if (!FcStrBufChar (buf, c))
24330d27 KP	498	return FcFalse;
	499	}
	500	return FcTrue;
	501	}
	502
	503	static FcBool
c2e7c611	504	FcNameUnparseValue (FcStrBuf *buf,
24330d27 KP	505	FcValue v,
	506	FcChar8 *escape)
	507	{
	508	FcChar8 temp[1024];
	509
	510	switch (v.type) {
	511	case FcTypeVoid:
	512	return FcTrue;
	513	case FcTypeInteger:
	514	sprintf ((char *) temp, "%d", v.u.i);
	515	return FcNameUnparseString (buf, temp, 0);
	516	case FcTypeDouble:
	517	sprintf ((char *) temp, "%g", v.u.d);
	518	return FcNameUnparseString (buf, temp, 0);
	519	case FcTypeString:
	520	return FcNameUnparseString (buf, v.u.s, escape);
	521	case FcTypeBool:
ccb3e93b	522	return FcNameUnparseString (buf, v.u.b ? (FcChar8 ) "True" : (FcChar8 ) "False", 0);
24330d27 KP	523	case FcTypeMatrix:
	524	sprintf ((char *) temp, "%g %g %g %g",
	525	v.u.m->xx, v.u.m->xy, v.u.m->yx, v.u.m->yy);
	526	return FcNameUnparseString (buf, temp, 0);
	527	case FcTypeCharSet:
	528	return FcNameUnparseCharSet (buf, v.u.c);
d8d73958 KP	529	case FcTypeLangSet:
d8d73958 KP	530	return FcNameUnparseLangSet (buf, v.u.l);
88c747e2 KP	531	case FcTypeFTFace:
88c747e2 KP	532	return FcTrue;
24330d27 KP	533	}
	534	return FcFalse;
	535	}
	536
	537	static FcBool
c2e7c611	538	FcNameUnparseValueList (FcStrBuf *buf,
24330d27	539	FcValueList *v,
ccb3e93b	540	FcChar8 *escape)
24330d27 KP	541	{
	542	while (v)
	543	{
	544	if (!FcNameUnparseValue (buf, v->value, escape))
	545	return FcFalse;
	546	if ((v = v->next))
ccb3e93b	547	if (!FcNameUnparseString (buf, (FcChar8 *) ",", 0))
24330d27 KP	548	return FcFalse;
	549	}
	550	return FcTrue;
	551	}
	552
	553	#define FC_ESCAPE_FIXED "\\-:,"
	554	#define FC_ESCAPE_VARIABLE "\\=_:,"
	555
	556	FcChar8 *
	557	FcNameUnparse (FcPattern *pat)
	558	{
c2e7c611	559	FcStrBuf buf;
24330d27 KP	560	FcChar8 buf_static[8192];
	561	int i;
	562	FcPatternElt *e;
	563	const FcObjectTypeList *l;
	564	const FcObjectType *o;
	565
c2e7c611	566	FcStrBufInit (&buf, buf_static, sizeof (buf_static));
e9be9cd1	567	e = FcPatternFindElt (pat, FC_FAMILY);
24330d27 KP	568	if (e)
24330d27 KP	569	{
ccb3e93b	570	if (!FcNameUnparseValueList (&buf, e->values, (FcChar8 *) FC_ESCAPE_FIXED))
24330d27 KP	571	goto bail0;
24330d27 KP	572	}
e9be9cd1	573	e = FcPatternFindElt (pat, FC_SIZE);
24330d27 KP	574	if (e)
24330d27 KP	575	{
ccb3e93b	576	if (!FcNameUnparseString (&buf, (FcChar8 *) "-", 0))
24330d27	577	goto bail0;
ccb3e93b	578	if (!FcNameUnparseValueList (&buf, e->values, (FcChar8 *) FC_ESCAPE_FIXED))
24330d27 KP	579	goto bail0;
	580	}
	581	for (l = _FcObjectTypes; l; l = l->next)
	582	{
	583	for (i = 0; i < l->ntypes; i++)
	584	{
	585	o = &l->types[i];
	586	if (!strcmp (o->object, FC_FAMILY) \|\|
	587	!strcmp (o->object, FC_SIZE) \|\|
	588	!strcmp (o->object, FC_FILE))
	589	continue;
	590
e9be9cd1	591	e = FcPatternFindElt (pat, o->object);
24330d27 KP	592	if (e)
24330d27 KP	593	{
ccb3e93b	594	if (!FcNameUnparseString (&buf, (FcChar8 *) ":", 0))
24330d27	595	goto bail0;
ccb3e93b	596	if (!FcNameUnparseString (&buf, (FcChar8 ) o->object, (FcChar8 ) FC_ESCAPE_VARIABLE))
24330d27	597	goto bail0;
ccb3e93b	598	if (!FcNameUnparseString (&buf, (FcChar8 *) "=", 0))
24330d27 KP	599	goto bail0;
24330d27 KP	600	if (!FcNameUnparseValueList (&buf, e->values,
ccb3e93b	601	(FcChar8 *) FC_ESCAPE_VARIABLE))
24330d27 KP	602	goto bail0;
	603	}
	604	}
	605	}
c2e7c611	606	return FcStrBufDone (&buf);
24330d27	607	bail0:
c2e7c611	608	FcStrBufDestroy (&buf);
24330d27 KP	609	return 0;
24330d27 KP	610	}