static FcBool
FcLangContains (const FcChar8 *super, const FcChar8 *sub)
{
FcChar8 c1, c2;
for (;;)
{
c1 = *super++;
c2 = *sub++;
c1 = FcToLower (c1);
c2 = FcToLower (c2);
if (c1 != c2)
{
/* see if super has a country while sub is mising one */
if (c1 == '-' && c2 == '\0')
return FcTrue;
/* see if sub has a country while super is mising one */
if (c1 == '\0' && c2 == '-')
return FcTrue;
return FcFalse;
}
else if (!c1)
return FcTrue;
}
}
FcLangResult
FcLangCompare (const FcChar8 *s1, const FcChar8 *s2)
{
FcChar8 c1, c2;
FcLangResult result = FcLangDifferentLang;
for (;;)
{
c1 = *s1++;
c2 = *s2++;
c1 = FcToLower (c1);
c2 = FcToLower (c2);
if (c1 != c2)
{
if (FcLangEnd (c1) && FcLangEnd (c2))
result = FcLangDifferentTerritory;
return result;
}
else if (!c1)
return FcLangEqual;
else if (c1 == '-')
result = FcLangDifferentTerritory;
}
}
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 double
FcCompareFamily (FcValue *v1, FcValue *v2)
{
/* rely on the guarantee in FcPatternObjectAddWithBinding that
* families are always FcTypeString. */
const FcChar8* v1_string = FcValueString(v1);
const FcChar8* v2_string = FcValueString(v2);
if (FcToLower(*v1_string) != FcToLower(*v2_string) &&
*v1_string != ' ' && *v2_string != ' ')
return 1.0;
return (double) FcStrCmpIgnoreBlanksAndCase (v1_string, v2_string) != 0;
}
static FcBool
FcCompareValueList (const char *object,
FcValueList *v1orig, /* pattern */
FcValueList *v2orig, /* target */
FcValue *bestValue,
double *value,
FcResult *result)
{
FcValueList *v1, *v2;
double v, best, bestStrong, bestWeak;
int i;
int j;
/*
* Locate the possible matching entry by examining the
* first few characters in object
*/
i = -1;
switch (FcToLower (object[0])) {
case 'f':
switch (FcToLower (object[1])) {
case 'o':
switch (FcToLower (object[2])) {
case 'u':
i = MATCH_FOUNDRY; break;
case 'n':
i = MATCH_FONTVERSION; break;
}
break;
case 'a':
i = MATCH_FAMILY; break;
}
break;
case 'c':
i = MATCH_CHARSET; break;
case 'a':
i = MATCH_ANTIALIAS; break;
case 'l':
i = MATCH_LANG; break;
case 's':
switch (FcToLower (object[1])) {
case 'p':
i = MATCH_SPACING; break;
case 't':
i = MATCH_STYLE; break;
case 'l':
i = MATCH_SLANT; break;
}
break;
case 'p':
i = MATCH_PIXEL_SIZE; break;
case 'w':
switch (FcToLower (object[1])) {
case 'i':
i = MATCH_WIDTH; break;
case 'e':
i = MATCH_WEIGHT; break;
}
break;
case 'r':
i = MATCH_RASTERIZER; break;
case 'o':
i = MATCH_OUTLINE; break;
}
if (i == -1 ||
FcStrCmpIgnoreCase ((FcChar8 *) _FcMatchers[i].object,
(FcChar8 *) object) != 0)
{
if (bestValue)
*bestValue = v2orig->value;
return FcTrue;
}
#if 0
for (i = 0; i < NUM_MATCHER; i++)
{
if (!FcStrCmpIgnoreCase ((FcChar8 *) _FcMatchers[i].object,
(FcChar8 *) object))
break;
}
if (i == NUM_MATCHER)
{
if (bestValue)
*bestValue = v2orig->value;
return FcTrue;
}
#endif
best = 1e99;
bestStrong = 1e99;
bestWeak = 1e99;
j = 0;
for (v1 = v1orig; v1; v1 = v1->next)
{
for (v2 = v2orig; v2; v2 = v2->next)
{
v = (*_FcMatchers[i].compare) (_FcMatchers[i].object,
v1->value,
v2->value);
if (v < 0)
{
*result = FcResultTypeMismatch;
return FcFalse;
}
if (FcDebug () & FC_DBG_MATCHV)
printf (" v %g j %d ", v, j);
v = v * 100 + j;
if (v < best)
{
if (bestValue)
*bestValue = v2->value;
best = v;
}
if (v1->binding == FcValueBindingStrong)
{
if (v < bestStrong)
bestStrong = v;
}
else
{
if (v < bestWeak)
bestWeak = v;
}
}
j++;
}
if (FcDebug () & FC_DBG_MATCHV)
{
printf (" %s: %g ", object, best);
FcValueListPrint (v1orig);
printf (", ");
FcValueListPrint (v2orig);
printf ("\n");
}
if (value)
{
int weak = _FcMatchers[i].weak;
int strong = _FcMatchers[i].strong;
if (weak == strong)
value[strong] += best;
else
{
value[weak] += bestWeak;
value[strong] += bestStrong;
}
}
return FcTrue;
}