示例#1
0
文件: fccfg.c 项目: Fur1ok/fontconfig
static FcValueList *
FcConfigMatchValueList (FcPattern	*p,
			FcTest		*t,
			FcValueList	*values)
{
    FcValueList	    *ret = 0;
    FcExpr	    *e = t->expr;
    FcValue	    value;
    FcValueList	    *v;
    
    while (e)
    {
	/* Compute the value of the match expression */
	if (e->op == FcOpComma)
	{
	    value = FcConfigEvaluate (p, e->u.tree.left);
	    e = e->u.tree.right;
	}
	else
	{
	    value = FcConfigEvaluate (p, e);
	    e = 0;
	}

	for (v = values; v; v = FcValueListNext(v))
	{
	    /* Compare the pattern value to the match expression value */
	    if (FcConfigCompareValue (&v->value, t->op, &value))
	    {
		if (!ret)
		    ret = v;
	    }
	    else
	    {
		if (t->qual == FcQualAll)
		{
		    ret = 0;
		    break;
		}
	    }
	}
	FcValueDestroy (value);
    }
    return ret;
}
示例#2
0
文件: xftpat.c 项目: aosm/X11
void
XftValueDestroy (XftValue v)
{
    FcValueDestroy (v);
}
示例#3
0
文件: fccfg.c 项目: Fur1ok/fontconfig
static FcValue
FcConfigEvaluate (FcPattern *p, FcExpr *e)
{
    FcValue	v, vl, vr;
    FcResult	r;
    FcMatrix	*m;
    FcChar8     *str;
    
    switch (e->op) {
    case FcOpInteger:
	v.type = FcTypeInteger;
	v.u.i = e->u.ival;
	break;
    case FcOpDouble:
	v.type = FcTypeDouble;
	v.u.d = e->u.dval;
	break;
    case FcOpString:
	v.type = FcTypeString;
	v.u.s = e->u.sval;
	v = FcValueSave (v);
	break;
    case FcOpMatrix:
	v.type = FcTypeMatrix;
	v.u.m = e->u.mval;
	v = FcValueSave (v);
	break;
    case FcOpCharSet:
	v.type = FcTypeCharSet;
	v.u.c = e->u.cval;
	v = FcValueSave (v);
	break;
    case FcOpBool:
	v.type = FcTypeBool;
	v.u.b = e->u.bval;
	break;
    case FcOpField:
	r = FcPatternObjectGet (p, e->u.object, 0, &v);
	if (r != FcResultMatch)
	    v.type = FcTypeVoid;
	v = FcValueSave (v);
	break;
    case FcOpConst:
	if (FcNameConstant (e->u.constant, &v.u.i))
	    v.type = FcTypeInteger;
	else
	    v.type = FcTypeVoid;
	break;
    case FcOpQuest:
	vl = FcConfigEvaluate (p, e->u.tree.left);
	if (vl.type == FcTypeBool)
	{
	    if (vl.u.b)
		v = FcConfigEvaluate (p, e->u.tree.right->u.tree.left);
	    else
		v = FcConfigEvaluate (p, e->u.tree.right->u.tree.right);
	}
	else
	    v.type = FcTypeVoid;
	FcValueDestroy (vl);
	break;
    case FcOpEqual:
    case FcOpNotEqual:
    case FcOpLess:
    case FcOpLessEqual:
    case FcOpMore:
    case FcOpMoreEqual:
    case FcOpContains:
    case FcOpNotContains:
    case FcOpListing:
	vl = FcConfigEvaluate (p, e->u.tree.left);
	vr = FcConfigEvaluate (p, e->u.tree.right);
	v.type = FcTypeBool;
	v.u.b = FcConfigCompareValue (&vl, e->op, &vr);
	FcValueDestroy (vl);
	FcValueDestroy (vr);
	break;	
    case FcOpOr:
    case FcOpAnd:
    case FcOpPlus:
    case FcOpMinus:
    case FcOpTimes:
    case FcOpDivide:
	vl = FcConfigEvaluate (p, e->u.tree.left);
	vr = FcConfigEvaluate (p, e->u.tree.right);
	vl = FcConfigPromote (vl, vr);
	vr = FcConfigPromote (vr, vl);
	if (vl.type == vr.type)
	{
	    switch (vl.type) {
	    case FcTypeDouble:
		switch (e->op) {
		case FcOpPlus:	   
		    v.type = FcTypeDouble;
		    v.u.d = vl.u.d + vr.u.d; 
		    break;
		case FcOpMinus:
		    v.type = FcTypeDouble;
		    v.u.d = vl.u.d - vr.u.d; 
		    break;
		case FcOpTimes:
		    v.type = FcTypeDouble;
		    v.u.d = vl.u.d * vr.u.d; 
		    break;
		case FcOpDivide:
		    v.type = FcTypeDouble;
		    v.u.d = vl.u.d / vr.u.d; 
		    break;
		default:
		    v.type = FcTypeVoid; 
		    break;
		}
		if (v.type == FcTypeDouble &&
		    v.u.d == (double) (int) v.u.d)
		{
		    v.type = FcTypeInteger;
		    v.u.i = (int) v.u.d;
		}
		break;
	    case FcTypeBool:
		switch (e->op) {
		case FcOpOr:
		    v.type = FcTypeBool;
		    v.u.b = vl.u.b || vr.u.b;
		    break;
		case FcOpAnd:
		    v.type = FcTypeBool;
		    v.u.b = vl.u.b && vr.u.b;
		    break;
		default:
		    v.type = FcTypeVoid; 
		    break;
		}
		break;
	    case FcTypeString:
		switch (e->op) {
		case FcOpPlus:
		    v.type = FcTypeString;
		    str = FcStrPlus (vl.u.s, vr.u.s);
		    v.u.s = FcStrStaticName (str);
		    FcStrFree (str);
			 
		    if (!v.u.s)
			v.type = FcTypeVoid;
		    break;
		default:
		    v.type = FcTypeVoid;
		    break;
		}
		break;
	    case FcTypeMatrix:
		switch (e->op) {
		case FcOpTimes:
		    v.type = FcTypeMatrix;
		    m = malloc (sizeof (FcMatrix));
		    if (m)
		    {
			FcMemAlloc (FC_MEM_MATRIX, sizeof (FcMatrix));
			FcMatrixMultiply (m, vl.u.m, vr.u.m);
			v.u.m = m;
		    }
		    else
		    {
			v.type = FcTypeVoid;
		    }
		    break;
		default:
		    v.type = FcTypeVoid;
		    break;
		}
		break;
	    default:
		v.type = FcTypeVoid;
		break;
	    }
	}
	else
	    v.type = FcTypeVoid;
	FcValueDestroy (vl);
	FcValueDestroy (vr);
	break;
    case FcOpNot:
	vl = FcConfigEvaluate (p, e->u.tree.left);
	switch (vl.type) {
	case FcTypeBool:
	    v.type = FcTypeBool;
	    v.u.b = !vl.u.b;
	    break;
	default:
	    v.type = FcTypeVoid;
	    break;
	}
	FcValueDestroy (vl);
	break;
    case FcOpFloor:
	vl = FcConfigEvaluate (p, e->u.tree.left);
	switch (vl.type) {
	case FcTypeInteger:
	    v = vl;
	    break;
	case FcTypeDouble:
	    v.type = FcTypeInteger;
	    v.u.i = FcDoubleFloor (vl.u.d);
	    break;
	default:
	    v.type = FcTypeVoid;
	    break;
	}
	FcValueDestroy (vl);
	break;
    case FcOpCeil:
	vl = FcConfigEvaluate (p, e->u.tree.left);
	switch (vl.type) {
	case FcTypeInteger:
	    v = vl;
	    break;
	case FcTypeDouble:
	    v.type = FcTypeInteger;
	    v.u.i = FcDoubleCeil (vl.u.d);
	    break;
	default:
	    v.type = FcTypeVoid;
	    break;
	}
	FcValueDestroy (vl);
	break;
    case FcOpRound:
	vl = FcConfigEvaluate (p, e->u.tree.left);
	switch (vl.type) {
	case FcTypeInteger:
	    v = vl;
	    break;
	case FcTypeDouble:
	    v.type = FcTypeInteger;
	    v.u.i = FcDoubleRound (vl.u.d);
	    break;
	default:
	    v.type = FcTypeVoid;
	    break;
	}
	FcValueDestroy (vl);
	break;
    case FcOpTrunc:
	vl = FcConfigEvaluate (p, e->u.tree.left);
	switch (vl.type) {
	case FcTypeInteger:
	    v = vl;
	    break;
	case FcTypeDouble:
	    v.type = FcTypeInteger;
	    v.u.i = FcDoubleTrunc (vl.u.d);
	    break;
	default:
	    v.type = FcTypeVoid;
	    break;
	}
	FcValueDestroy (vl);
	break;
    default:
	v.type = FcTypeVoid;
	break;
    }
    return v;
}
示例#4
0
FcPattern *
FcNameParse (const FcChar8 *name)
{
    FcChar8		*save;
    FcPattern		*pat;
    double		d;
    FcChar8		*e;
    FcChar8		delim;
    FcValue		v;
    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);
			if (!FcPatternAdd (pat, t->object, v, FcTrue))
			{
			    FcValueDestroy (v);
			    goto bail2;
			}
			FcValueDestroy (v);
		    }
		    if (delim != ',')
			break;
		}
	    }
	    else
	    {
		if ((c = FcNameGetConstant (save)))
		{
		    t = FcNameGetObjectType ((char *) c->object);
		    switch ((int) 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;
}