fontconfig/test/test-conf.c

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2018-05-11 14:39:50 +02:00
/*
* fontconfig/test/test-conf.c
*
* Copyright © 2000 Keith Packard
* Copyright © 2018 Akira TAGOH
*
* 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 <stdio.h>
#include <string.h>
#include <fontconfig/fontconfig.h>
#include <json.h>
struct _FcConfig {
FcStrSet *configDirs; /* directories to scan for fonts */
FcStrSet *fontDirs;
FcStrSet *cacheDirs;
FcStrSet *configFiles; /* config files loaded */
void *subst[FcMatchKindEnd];
int maxObjects; /* maximum number of tests in all substs */
FcStrSet *acceptGlobs;
FcStrSet *rejectGlobs;
FcFontSet *acceptPatterns;
FcFontSet *rejectPatterns;
FcFontSet *fonts[FcSetApplication + 1];
};
static FcPattern *
build_pattern (json_object *obj)
{
json_object_iter iter;
FcPattern *pat = FcPatternCreate ();
json_object_object_foreachC (obj, iter)
{
FcValue v;
if (json_object_get_type (iter.val) == json_type_boolean)
{
v.type = FcTypeBool;
v.u.b = json_object_get_boolean (iter.val);
}
else if (json_object_get_type (iter.val) == json_type_double)
{
v.type = FcTypeDouble;
v.u.d = json_object_get_double (iter.val);
}
else if (json_object_get_type (iter.val) == json_type_int)
{
v.type = FcTypeInteger;
v.u.i = json_object_get_int (iter.val);
}
else if (json_object_get_type (iter.val) == json_type_string)
{
v.type = FcTypeString;
v.u.s = json_object_get_string (iter.val);
}
else if (json_object_get_type (iter.val) == json_type_null)
{
v.type = FcTypeVoid;
}
else
{
fprintf (stderr, "W: unexpected object to build a pattern: (%s %s)", iter.key, json_type_to_name (json_object_get_type (iter.val)));
continue;
}
FcPatternAdd (pat, iter.key, v, FcTrue);
}
return pat;
}
static FcBool
build_fonts (FcConfig *config, json_object *root)
{
json_object *fonts;
FcFontSet *fs;
int i, n;
if (!json_object_object_get_ex (root, "fonts", &fonts) ||
json_object_get_type (fonts) != json_type_array)
{
fprintf (stderr, "W: No fonts defined\n");
return FcFalse;
}
fs = FcFontSetCreate ();
n = json_object_array_length (fonts);
for (i = 0; i < n; i++)
{
json_object *obj = json_object_array_get_idx (fonts, i);
FcPattern *pat;
if (json_object_get_type (obj) != json_type_object)
continue;
pat = build_pattern (obj);
FcFontSetAdd (fs, pat);
}
/* FcConfigSetFonts (config, fs, FcSetSystem); */
if (config->fonts[FcSetSystem])
FcFontSetDestroy (config->fonts[FcSetSystem]);
config->fonts[FcSetSystem] = fs;
return FcTrue;
}
static FcBool
run_test (FcConfig *config, json_object *root)
{
json_object *tests;
FcFontSet *fs;
int i, n, fail = 0;
if (!json_object_object_get_ex (root, "tests", &tests) ||
json_object_get_type (tests) != json_type_array)
{
fprintf (stderr, "W: No test cases defined\n");
return FcFalse;
}
fs = FcFontSetCreate ();
n = json_object_array_length (tests);
for (i = 0; i < n; i++)
{
json_object *obj = json_object_array_get_idx (tests, i);
json_object_iter iter;
FcPattern *query, *result;
const char *method;
if (json_object_get_type (obj) != json_type_object)
continue;
json_object_object_foreachC (obj, iter)
{
if (strcmp (iter.key, "method") == 0)
{
if (json_object_get_type (iter.val) != json_type_string)
{
fprintf (stderr, "W: invalid type of method: (%s)\n", json_type_to_name (json_object_get_type (iter.val)));
continue;
}
method = json_object_get_string (iter.val);
}
else if (strcmp (iter.key, "query") == 0)
{
if (json_object_get_type (iter.val) != json_type_object)
{
fprintf (stderr, "W: invalid type of query: (%s)\n", json_type_to_name (json_object_get_type (iter.val)));
continue;
}
query = build_pattern (iter.val);
}
else if (strcmp (iter.key, "result") == 0)
{
if (json_object_get_type (iter.val) != json_type_object)
{
fprintf (stderr, "W: invalid type of result: (%s)\n", json_type_to_name (json_object_get_type (iter.val)));
continue;
}
result = build_pattern (iter.val);
}
else
{
fprintf (stderr, "W: unknown object: %s\n", iter.key);
}
}
if (strcmp (method, "match") == 0)
{
FcPattern *match;
FcResult res;
FcConfigSubstitute (config, query, FcMatchPattern);
FcDefaultSubstitute (query);
match = FcFontMatch (config, query, &res);
if (match)
{
FcPatternIter iter;
int x, vc;
FcPatternIterStart (result, &iter);
do
{
vc = FcPatternIterValueCount (result, &iter);
for (x = 0; x < vc; x++)
{
FcValue vr, vm;
if (FcPatternIterGetValue (result, &iter, x, &vr, NULL) != FcResultMatch)
{
fprintf (stderr, "E: unable to obtain a value from the expected result\n");
fail++;
goto bail;
}
if (FcPatternGet (match, FcPatternIterGetObject (result, &iter), x, &vm) != FcResultMatch)
{
vm.type = FcTypeVoid;
}
if (!FcValueEqual (vm, vr))
{
printf ("E: failed to compare %s:\n", FcPatternIterGetObject (result, &iter));
printf (" actual result:");
FcValuePrint (vm);
printf ("\n expected result:");
FcValuePrint (vr);
printf ("\n");
fail++;
goto bail;
}
}
} while (FcPatternIterNext (result, &iter));
bail:;
}
else
{
fprintf (stderr, "E: no match\n");
fail++;
}
}
else
{
fprintf (stderr, "W: unknown testing method: %s\n", method);
}
}
return fail == 0;
}
static FcBool
run_scenario (FcConfig *config, char *file)
{
FcBool ret = FcTrue;
json_object *root, *scenario;
root = json_object_from_file (file);
if (!root)
{
fprintf (stderr, "E: Unable to read the file: %s\n", file);
return FcFalse;
}
if (!build_fonts (config, root))
{
ret = FcFalse;
goto bail1;
}
if (!run_test (config, root))
{
ret = FcFalse;
goto bail1;
}
bail1:
json_object_put (root);
return ret;
}
static FcBool
load_config (FcConfig *config, char *file)
{
FILE *fp;
long len;
char *buf = NULL;
FcBool ret = FcTrue;
if ((fp = fopen(file, "rb")) == NULL)
return FcFalse;
fseek (fp, 0L, SEEK_END);
len = ftell (fp);
fseek (fp, 0L, SEEK_SET);
buf = malloc (sizeof (char) * (len + 1));
if (!buf)
{
ret = FcFalse;
goto bail1;
}
fread (buf, (size_t)len, sizeof (char), fp);
buf[len] = 0;
ret = FcConfigParseAndLoadFromMemory (config, buf, FcTrue);
bail1:
fclose (fp);
if (buf)
free (buf);
return ret;
}
int
main (int argc, char **argv)
{
FcConfig *config;
int retval = 0;
if (argc < 3)
{
fprintf(stderr, "Usage: %s <conf file> <test scenario>\n", argv[0]);
return 1;
}
config = FcConfigCreate ();
if (!load_config (config, argv[1]))
{
fprintf(stderr, "E: Failed to load config\n");
retval = 1;
goto bail1;
}
if (!run_scenario (config, argv[2]))
{
retval = 1;
goto bail1;
}
bail1:
FcConfigDestroy (config);
return retval;
}