You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
122 lines
3.4 KiB
122 lines
3.4 KiB
/** \file test-parse.c |
|
* \brief Completely parse all files given on the command line. |
|
* |
|
* Copyright (C) 2007 Hans Ulrich Niedermann <gp@n-dimensional.de> |
|
* |
|
* This library is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2 of the License, or (at your option) any later version. |
|
* |
|
* This library is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with this library; if not, write to the |
|
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
|
* Boston, MA 02110-1301 USA. |
|
* |
|
*/ |
|
|
|
#include "libexif/exif-data.h" |
|
#include "libexif/exif-system.h" |
|
|
|
#include <string.h> |
|
#include <stdio.h> |
|
#include <stdlib.h> |
|
|
|
|
|
/** Callback function handling an ExifEntry. */ |
|
void content_foreach_func(ExifEntry *entry, void *callback_data); |
|
void content_foreach_func(ExifEntry *entry, void *UNUSED(callback_data)) |
|
{ |
|
char buf[2000]; |
|
exif_entry_get_value(entry, buf, sizeof(buf)); |
|
printf(" Entry %p: %s (%s)\n" |
|
" Size, Comps: %d, %d\n" |
|
" Value: %s\n", |
|
entry, |
|
exif_tag_get_name(entry->tag), |
|
exif_format_get_name(entry->format), |
|
entry->size, |
|
(int)(entry->components), |
|
exif_entry_get_value(entry, buf, sizeof(buf))); |
|
} |
|
|
|
|
|
/** Callback function handling an ExifContent (corresponds 1:1 to an IFD). */ |
|
void data_foreach_func(ExifContent *content, void *callback_data); |
|
void data_foreach_func(ExifContent *content, void *callback_data) |
|
{ |
|
printf(" Content %p: ifd=%d\n", content, exif_content_get_ifd(content)); |
|
exif_content_foreach_entry(content, content_foreach_func, callback_data); |
|
} |
|
|
|
|
|
/** Run EXIF parsing test on the given file. */ |
|
void test_parse(const char *filename, void *callback_data); |
|
void test_parse(const char *filename, void *callback_data) |
|
{ |
|
ExifData *d; |
|
printf("File %s\n", filename); |
|
|
|
d = exif_data_new_from_file(filename); |
|
exif_data_foreach_content(d, data_foreach_func, callback_data); |
|
exif_data_unref(d); |
|
} |
|
|
|
|
|
/** Callback function prototype for string parsing. */ |
|
typedef void (*test_parse_func) (const char *filename, void *callback_data); |
|
|
|
|
|
/** Split string at whitespace and call callback with each substring. */ |
|
void split_ws_string(const char *string, test_parse_func func, void *callback_data); |
|
void split_ws_string(const char *string, test_parse_func func, void *callback_data) |
|
{ |
|
const char *start = string; |
|
const char *p = start; |
|
for (;;) { |
|
if (*p == ' ' || *p == '\t' || *p == '\n' || *p == '\r' || *p == '\0' ) { |
|
size_t len = p-start; |
|
if (len > 0) { |
|
/* emulate strndup */ |
|
char *str = malloc(1+len); |
|
if (str) { |
|
memcpy(str, start, len); |
|
str[len] = '\0'; |
|
func(str, callback_data); |
|
free(str); |
|
start = p+1; |
|
} |
|
} else { |
|
start = p+1; |
|
} |
|
} |
|
if (*p == '\0') { |
|
break; |
|
} |
|
p++; |
|
} |
|
} |
|
|
|
|
|
/** Main program. */ |
|
int main(const int argc, const char *argv[]) |
|
{ |
|
int i; |
|
void *callback_data = NULL; |
|
|
|
const char *envar = getenv("TEST_IMAGES"); |
|
if (envar) { |
|
split_ws_string(envar, test_parse, callback_data); |
|
} |
|
|
|
for (i=1; i<argc; i++) { |
|
test_parse(argv[i], callback_data); |
|
} |
|
|
|
return 0; |
|
}
|
|
|