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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
#define LIST_ALL_FIELDS(X, _)\
X(xlfd_version, equal) _\
X(foundry, equal) _\
X(family_name, equal) _\
X(weight_name, equal) _\
X(slant, equal) _\
X(setwidth_name, equal) _\
X(add_style_name, equal) _\
X(pixel_size, zero_or_equal) _\
X(point_size, zero_or_equal) _\
X(resolution_x, zero_or_equal) _\
X(resolution_y, zero_or_equal) _\
X(spacing, equal) _\
X(average_width, equal) _\
X(charset_registry, equal) _\
X(charset_encoding, equal) _\
X(charset_subset, equal) /* TODO desc shall match spec if spec is a subset of desc */
static int
equal(const char *desc, const char *spec)
{
size_t i;
if (!spec)
return !desc;
if (spec[0] == '*' && !spec[1])
return 1;
if (!desc)
return 0;
for (; desc[i] && spec[i]; i++)
if (tolower(spec[i]) != tolower(desc[i]) && spec[i] != '?')
return 0;
return desc[i] == spec[i];
}
static int
zero_or_equal(const char *desc, const char *spec)
{
if (desc && desc[0] == '0' && !desc[1])
return 1;
else
return equal(desc, spec);
}
static int
many_equal(const char *desc, const char *spec)
{
if (!spec)
return !desc;
if (!desc)
return 0;
while (*spec && *desc) {
if (spec[0] == '*' && (!spec[1] || spec[1] == '-')) {
spec++;
while (*desc && *desc != '-')
desc++;
} else {
while (*spec && *desc && *spec != '-' && *desc != '-') {
if (tolower(*spec) != tolower(*desc) && *spec != '?')
return 0;
}
}
if (*spec != *desc || (*spec && *spec != '-'))
return 0;
}
return *spec == *desc;
}
int
libfonts_do_decoded_font_descriptions_match(const struct libfonts_font_description *desc,
const struct libfonts_font_description *spec)
{
if (desc->private_font_name || spec->private_font_name)
return many_equal(desc->private_font_name, spec->private_font_name);
#define X(FIELD, FUNC)\
if (!FUNC(desc->FIELD, spec->FIELD))\
return 0
LIST_ALL_FIELDS(X, ;);
#undef X
return many_equal(desc->unrecognised_fields, spec->unrecognised_fields);
}
#else
int
main(void)
{
return 0; /* XXX add test */
}
#endif
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