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add --tag-from-json

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This commit is contained in:
nu774 2013-02-15 22:26:17 +09:00
parent 721d977f59
commit cbb23cdbd8
9 changed files with 1241 additions and 191 deletions
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4
MSVC/fdkaac.vcxproj
View File

@ -100,6 +100,8 @@ copy ..\fdk-aac\libSYS\include\machine_type.h include\fdk-aac\ </Command>
<ClCompile Include="..\src\lpcm.c" /> <ClCompile Include="..\src\lpcm.c" />
<ClCompile Include="..\src\m4af.c" /> <ClCompile Include="..\src\m4af.c" />
<ClCompile Include="..\src\main.c" /> <ClCompile Include="..\src\main.c" />
<ClCompile Include="..\src\metadata.c" />
<ClCompile Include="..\src\parson.c" />
<ClCompile Include="..\src\progress.c" /> <ClCompile Include="..\src\progress.c" />
<ClCompile Include="..\src\wav_reader.c" /> <ClCompile Include="..\src\wav_reader.c" />
</ItemGroup> </ItemGroup>
@ -110,6 +112,8 @@ copy ..\fdk-aac\libSYS\include\machine_type.h include\fdk-aac\ </Command>
<ClInclude Include="..\src\lpcm.h" /> <ClInclude Include="..\src\lpcm.h" />
<ClInclude Include="..\src\m4af.h" /> <ClInclude Include="..\src\m4af.h" />
<ClInclude Include="..\src\m4af_endian.h" /> <ClInclude Include="..\src\m4af_endian.h" />
<ClInclude Include="..\src\metadata.h" />
<ClInclude Include="..\src\parson.h" />
<ClInclude Include="..\src\progress.h" /> <ClInclude Include="..\src\progress.h" />
<ClInclude Include="..\src\wav_reader.h" /> <ClInclude Include="..\src\wav_reader.h" />
</ItemGroup> </ItemGroup>

2
Makefile.am
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@ -8,6 +8,8 @@ fdkaac_SOURCES = \
src/lpcm.c \ src/lpcm.c \
src/m4af.c \ src/m4af.c \
src/main.c \ src/main.c \
src/metadata.c \
src/parson.c \
src/progress.c \ src/progress.c \
src/wav_reader.c src/wav_reader.c

50
README
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@ -50,3 +50,53 @@ Therefore, only use UTF-8 (without BOM) when setting text tags by this option.
On the other hand, --tag / --long-tag (and other command line arguments) are On the other hand, --tag / --long-tag (and other command line arguments) are
converted from locale character encoding to UTF-8 on Posix environment. converted from locale character encoding to UTF-8 on Posix environment.
On Windows, command line arguments are always treated as Unicode. On Windows, command line arguments are always treated as Unicode.
Tagging using JSON
------------------
With --tag-from-json, fdkaac can read JSON file and set tags from it.
By default, tags are assumed to be in the root object(dictionary) like this:
{
"title": "No Expectations",
"artist": "The Rolling Stones",
"album": "Beggars Banquet",
"track": 2
}
In this case, you can simply specify the filename like:
--tag-from-json=/path/to/json
If the object containing tags is placed somewhere else, you can optionally
specify the path of the object with dotted notation.
{
"format" : {
"filename" : "Middle Curse.flac",
"nb_streams" : 1,
"format_name" : "flac",
"format_long_name" : "raw FLAC",
"start_time" : "N/A",
"duration" : "216.146667",
"size" : "11851007.000000",
"bit_rate" : "438628.000000",
"tags" : {
"ALBUM" : "Scary World Theory",
"ARTIST" : "Lali Puna",
"DATE" : "2001",
"DISCID" : "9208CC0A",
"TITLE" : "Middle Curse",
"TRACKTOTAL" : "10",
"track" : "2"
}
}
}
In this example, tags are placed under the object "format.tags".
("format" is a child of the root, and "tags" is a child of the "format").
In this case, you can say:
--tag-from-json=/path/to/json?format.tags
For your information, ffprobe of ffmpeg project (or avprobe of libav) can
output media information/metadata in json format like this.
Note that not all tags can be read/written this way.

221
src/main.c
View File

@ -38,6 +38,7 @@
#include "m4af.h" #include "m4af.h"
#include "progress.h" #include "progress.h"
#include "version.h" #include "version.h"
#include "metadata.h"
#define PROGNAME "fdkaac" #define PROGNAME "fdkaac"
@ -181,17 +182,18 @@ PROGNAME " %s\n"
" --tag-from-file <fcc>:<filename>\n" " --tag-from-file <fcc>:<filename>\n"
" Same as above, but value is read from file.\n" " Same as above, but value is read from file.\n"
" --long-tag <name>:<value> Set arbitrary tag as iTunes custom metadata.\n" " --long-tag <name>:<value> Set arbitrary tag as iTunes custom metadata.\n"
" --tag-from-json <filename[?dot_notation]>\n"
" Read tags from JSON. By default, tags are\n"
" assumed to be direct children of the root\n"
" object(dictionary).\n"
" Optionally, position of the dictionary\n"
" that contains tags can be specified with\n"
" dotted notation.\n"
" Example:\n"
" --tag-from-json /path/to/json?format.tags\n"
, fdkaac_version); , fdkaac_version);
} }
typedef struct aacenc_tag_entry_t {
uint32_t tag;
const char *name;
const char *data;
uint32_t data_size;
int is_file_name;
} aacenc_tag_entry_t;
typedef struct aacenc_param_ex_t { typedef struct aacenc_param_ex_t {
AACENC_PARAMS AACENC_PARAMS
@ -205,33 +207,10 @@ typedef struct aacenc_param_ex_t {
unsigned raw_rate; unsigned raw_rate;
const char *raw_format; const char *raw_format;
aacenc_tag_entry_t *tag_table; aacenc_tag_param_t tags;
unsigned tag_count;
unsigned tag_table_capacity;
} aacenc_param_ex_t;
static char *json_filename;
void param_add_itmf_entry(aacenc_param_ex_t *params, uint32_t tag, } aacenc_param_ex_t;
const char *key, const char *value, uint32_t size,
int is_file_name)
{
aacenc_tag_entry_t *entry;
if (params->tag_count == params->tag_table_capacity) {
unsigned newsize = params->tag_table_capacity;
newsize = newsize ? newsize * 2 : 1;
params->tag_table =
realloc(params->tag_table, newsize * sizeof(aacenc_tag_entry_t));
params->tag_table_capacity = newsize;
}
entry = params->tag_table + params->tag_count;
entry->tag = tag;
if (tag == M4AF_FOURCC('-','-','-','-'))
entry->name = key;
entry->data = value;
entry->data_size = size;
entry->is_file_name = is_file_name;
params->tag_count++;
}
static static
int parse_options(int argc, char **argv, aacenc_param_ex_t *params) int parse_options(int argc, char **argv, aacenc_param_ex_t *params)
@ -245,6 +224,7 @@ int parse_options(int argc, char **argv, aacenc_param_ex_t *params)
#define OPT_SHORT_TAG M4AF_FOURCC('s','t','a','g') #define OPT_SHORT_TAG M4AF_FOURCC('s','t','a','g')
#define OPT_SHORT_TAG_FILE M4AF_FOURCC('s','t','g','f') #define OPT_SHORT_TAG_FILE M4AF_FOURCC('s','t','g','f')
#define OPT_LONG_TAG M4AF_FOURCC('l','t','a','g') #define OPT_LONG_TAG M4AF_FOURCC('l','t','a','g')
#define OPT_TAG_FROM_JSON M4AF_FOURCC('t','f','j','s')
static struct option long_options[] = { static struct option long_options[] = {
{ "help", no_argument, 0, 'h' }, { "help", no_argument, 0, 'h' },
@ -282,6 +262,7 @@ int parse_options(int argc, char **argv, aacenc_param_ex_t *params)
{ "tag", required_argument, 0, OPT_SHORT_TAG }, { "tag", required_argument, 0, OPT_SHORT_TAG },
{ "tag-from-file", required_argument, 0, OPT_SHORT_TAG_FILE }, { "tag-from-file", required_argument, 0, OPT_SHORT_TAG_FILE },
{ "long-tag", required_argument, 0, OPT_LONG_TAG }, { "long-tag", required_argument, 0, OPT_LONG_TAG },
{ "tag-from-json", required_argument, 0, OPT_TAG_FROM_JSON },
{ 0, 0, 0, 0 }, { 0, 0, 0, 0 },
}; };
params->afterburner = 1; params->afterburner = 1;
@ -395,7 +376,8 @@ int parse_options(int argc, char **argv, aacenc_param_ex_t *params)
case M4AF_TAG_TRACK: case M4AF_TAG_TRACK:
case M4AF_TAG_DISK: case M4AF_TAG_DISK:
case M4AF_TAG_TEMPO: case M4AF_TAG_TEMPO:
param_add_itmf_entry(params, ch, 0, optarg, strlen(optarg), 0); aacenc_param_add_itmf_entry(&params->tags, ch, 0, optarg,
strlen(optarg), 0);
break; break;
case OPT_SHORT_TAG: case OPT_SHORT_TAG:
case OPT_SHORT_TAG_FILE: case OPT_SHORT_TAG_FILE:
@ -428,10 +410,14 @@ int parse_options(int argc, char **argv, aacenc_param_ex_t *params)
for (; *optarg; ++optarg) for (; *optarg; ++optarg)
fcc = ((fcc << 8) | (*optarg & 0xff)); fcc = ((fcc << 8) | (*optarg & 0xff));
} }
param_add_itmf_entry(params, fcc, optarg, val, strlen(val), aacenc_param_add_itmf_entry(&params->tags, fcc, optarg,
ch == OPT_SHORT_TAG_FILE); val, strlen(val),
ch == OPT_SHORT_TAG_FILE);
} }
break; break;
case OPT_TAG_FROM_JSON:
params->json_filename = optarg;
break;
default: default:
return usage(), -1; return usage(), -1;
} }
@ -538,155 +524,6 @@ END:
return rc; return rc;
} }
static
char *load_tag_from_file(const char *path, uint32_t *data_size)
{
FILE *fp = 0;
char *data = 0;
int64_t size;
if ((fp = aacenc_fopen(path, "rb")) == NULL) {
aacenc_fprintf(stderr, "WARNING: %s: %s\n", path, strerror(errno));
goto END;
}
fseeko(fp, 0, SEEK_END);
size = ftello(fp);
if (size > 5*1024*1024) {
aacenc_fprintf(stderr, "WARNING: %s: size too large\n", path);
goto END;
}
fseeko(fp, 0, SEEK_SET);
data = malloc(size + 1);
if (data) fread(data, 1, size, fp);
data[size] = 0;
*data_size = (uint32_t)size;
END:
if (fp) fclose(fp);
return data;
}
static
void put_tag_entry(m4af_ctx_t *m4af, const aacenc_tag_entry_t *tag)
{
unsigned m, n = 0;
const char *data = tag->data;
uint32_t data_size = tag->data_size;
char *file_contents = 0;
if (tag->is_file_name) {
data = file_contents = load_tag_from_file(tag->data, &data_size);
if (!data) return;
}
switch (tag->tag) {
case M4AF_TAG_TRACK:
if (sscanf(data, "%u/%u", &m, &n) >= 1)
m4af_add_itmf_track_tag(m4af, m, n);
break;
case M4AF_TAG_DISK:
if (sscanf(data, "%u/%u", &m, &n) >= 1)
m4af_add_itmf_disk_tag(m4af, m, n);
break;
case M4AF_TAG_GENRE_ID3:
if (sscanf(data, "%u", &n) == 1)
m4af_add_itmf_genre_tag(m4af, n);
break;
case M4AF_TAG_TEMPO:
if (sscanf(data, "%u", &n) == 1)
m4af_add_itmf_int16_tag(m4af, tag->tag, n);
break;
case M4AF_TAG_COMPILATION:
case M4AF_FOURCC('a','k','I','D'):
case M4AF_FOURCC('h','d','v','d'):
case M4AF_FOURCC('p','c','s','t'):
case M4AF_FOURCC('p','g','a','p'):
case M4AF_FOURCC('r','t','n','g'):
case M4AF_FOURCC('s','t','i','k'):
if (sscanf(data, "%u", &n) == 1)
m4af_add_itmf_int8_tag(m4af, tag->tag, n);
break;
case M4AF_FOURCC('a','t','I','D'):
case M4AF_FOURCC('c','m','I','D'):
case M4AF_FOURCC('c','n','I','D'):
case M4AF_FOURCC('g','e','I','D'):
case M4AF_FOURCC('s','f','I','D'):
case M4AF_FOURCC('t','v','s','n'):
case M4AF_FOURCC('t','v','s','s'):
if (sscanf(data, "%u", &n) == 1)
m4af_add_itmf_int32_tag(m4af, tag->tag, n);
break;
case M4AF_FOURCC('p','l','I','D'):
{
int64_t qn;
if (sscanf(data, "%" SCNd64, &qn) == 1)
m4af_add_itmf_int64_tag(m4af, tag->tag, qn);
break;
}
case M4AF_TAG_ARTWORK:
{
int data_type = 0;
if (!memcmp(data, "GIF", 3))
data_type = M4AF_GIF;
else if (!memcmp(data, "\xff\xd8\xff", 3))
data_type = M4AF_JPEG;
else if (!memcmp(data, "\x89PNG", 4))
data_type = M4AF_PNG;
if (data_type)
m4af_add_itmf_short_tag(m4af, tag->tag, data_type,
data, data_size);
break;
}
case M4AF_FOURCC('-','-','-','-'):
{
char *u8 = aacenc_to_utf8(data);
m4af_add_itmf_long_tag(m4af, tag->name, u8);
free(u8);
break;
}
case M4AF_TAG_TITLE:
case M4AF_TAG_ARTIST:
case M4AF_TAG_ALBUM:
case M4AF_TAG_GENRE:
case M4AF_TAG_DATE:
case M4AF_TAG_COMPOSER:
case M4AF_TAG_GROUPING:
case M4AF_TAG_COMMENT:
case M4AF_TAG_LYRICS:
case M4AF_TAG_TOOL:
case M4AF_TAG_ALBUM_ARTIST:
case M4AF_TAG_DESCRIPTION:
case M4AF_TAG_LONG_DESCRIPTION:
case M4AF_TAG_COPYRIGHT:
case M4AF_FOURCC('a','p','I','D'):
case M4AF_FOURCC('c','a','t','g'):
case M4AF_FOURCC('k','e','y','w'):
case M4AF_FOURCC('p','u','r','d'):
case M4AF_FOURCC('p','u','r','l'):
case M4AF_FOURCC('s','o','a','a'):
case M4AF_FOURCC('s','o','a','l'):
case M4AF_FOURCC('s','o','a','r'):
case M4AF_FOURCC('s','o','c','o'):
case M4AF_FOURCC('s','o','n','m'):
case M4AF_FOURCC('s','o','s','n'):
case M4AF_FOURCC('t','v','e','n'):
case M4AF_FOURCC('t','v','n','n'):
case M4AF_FOURCC('t','v','s','h'):
case M4AF_FOURCC('x','i','d',' '):
case M4AF_FOURCC('\xa9','e','n','c'):
case M4AF_FOURCC('\xa9','s','t','3'):
{
char *u8 = aacenc_to_utf8(data);
m4af_add_itmf_string_tag(m4af, tag->tag, u8);
free(u8);
break;
}
default:
fprintf(stderr, "WARNING: unknown/unsupported tag: %c%c%c%c\n",
tag->tag >> 24, (tag->tag >> 16) & 0xff,
(tag->tag >> 8) & 0xff, tag->tag & 0xff);
}
if (file_contents) free(file_contents);
}
static static
void put_tool_tag(m4af_ctx_t *m4af, const aacenc_param_ex_t *params, void put_tool_tag(m4af_ctx_t *m4af, const aacenc_param_ex_t *params,
HANDLE_AACENCODER encoder) HANDLE_AACENCODER encoder)
@ -720,9 +557,13 @@ int finalize_m4a(m4af_ctx_t *m4af, const aacenc_param_ex_t *params,
HANDLE_AACENCODER encoder) HANDLE_AACENCODER encoder)
{ {
unsigned i; unsigned i;
aacenc_tag_entry_t *tag = params->tag_table; aacenc_tag_entry_t *tag = params->tags.tag_table;
for (i = 0; i < params->tag_count; ++i, ++tag)
put_tag_entry(m4af, tag); if (params->json_filename)
aacenc_put_tags_from_json(m4af, params->json_filename);
for (i = 0; i < params->tags.tag_count; ++i, ++tag)
aacenc_put_tag_entry(m4af, tag);
put_tool_tag(m4af, params, encoder); put_tool_tag(m4af, params, encoder);
@ -901,7 +742,7 @@ END:
if (ofp) fclose(ofp); if (ofp) fclose(ofp);
if (encoder) aacEncClose(&encoder); if (encoder) aacEncClose(&encoder);
if (output_filename) free(output_filename); if (output_filename) free(output_filename);
if (params.tag_table) free(params.tag_table); if (params.tags.tag_table) free(params.tags.tag_table);
return result; return result;
} }

378
src/metadata.c Normal file
View File

@ -0,0 +1,378 @@
#if HAVE_CONFIG_H
# include "config.h"
#endif
#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_INTTYPES_H
# include <inttypes.h>
#elif defined(_MSC_VER)
# define SCNd64 "I64d"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include "m4af.h"
#include "metadata.h"
#include "compat.h"
#include "parson.h"
typedef struct tag_key_mapping_t {
const char *name;
uint32_t fcc;
} tag_key_mapping_t;
enum {
TAG_TOTAL_DISCS = 1,
TAG_TOTAL_TRACKS = 2
};
static tag_key_mapping_t tag_mapping_table[] = {
{ "album", M4AF_TAG_ALBUM },
{ "albumartist", M4AF_TAG_ALBUM_ARTIST },
{ "albumartistsort", M4AF_FOURCC('s','o','a','a') },
{ "albumartistsortorder", M4AF_FOURCC('s','o','a','a') },
{ "albumsort", M4AF_FOURCC('s','o','a','l') },
{ "albumsortorder", M4AF_FOURCC('s','o','a','l') },
{ "artist", M4AF_TAG_ARTIST },
{ "artistsort", M4AF_FOURCC('s','o','a','r') },
{ "artistsortorder", M4AF_FOURCC('s','o','a','r') },
{ "band", M4AF_TAG_ALBUM_ARTIST },
{ "bpm", M4AF_TAG_TEMPO },
{ "comment", M4AF_TAG_COMMENT },
{ "compilation", M4AF_TAG_COMPILATION },
{ "composer", M4AF_TAG_COMPOSER },
{ "composersort", M4AF_FOURCC('s','o','c','o') },
{ "composersortorder", M4AF_FOURCC('s','o','c','o') },
{ "contentgroup", M4AF_TAG_GROUPING },
{ "copyright", M4AF_TAG_COPYRIGHT },
{ "date", M4AF_TAG_DATE },
{ "disc", M4AF_TAG_DISK },
{ "disctotal", TAG_TOTAL_DISCS },
{ "discnumber", M4AF_TAG_DISK },
{ "genre", M4AF_TAG_GENRE },
{ "grouping", M4AF_TAG_GROUPING },
{ "itunescompilation", M4AF_TAG_COMPILATION },
{ "lyrics", M4AF_TAG_LYRICS },
{ "title", M4AF_TAG_TITLE },
{ "titlesort", M4AF_FOURCC('s','o','n','m') },
{ "titlesortorder", M4AF_FOURCC('s','o','n','m') },
{ "totaldiscs", TAG_TOTAL_DISCS },
{ "totaltracks", TAG_TOTAL_TRACKS },
{ "track", M4AF_TAG_TRACK },
{ "tracknumber", M4AF_TAG_TRACK },
{ "tracktotal", TAG_TOTAL_TRACKS },
{ "unsyncedlyrics", M4AF_TAG_LYRICS },
{ "year", M4AF_TAG_DATE },
};
static
int tag_key_comparator(const void *k, const void *v)
{
return strcmp((const char *)k, ((tag_key_mapping_t*)v)->name);
}
static
uint32_t get_tag_fcc_from_name(const char *name)
{
char *name_p = 0, *p;
const tag_key_mapping_t *ent;
name_p = malloc(strlen(name) + 1);
for (p = name_p; *name; ++name) {
unsigned char c = *name;
if (c != ' ' && c != '-' && c != '_')
*p++ = tolower(c);
}
*p = 0;
ent = bsearch(name_p, tag_mapping_table,
sizeof(tag_mapping_table) / sizeof(tag_mapping_table[0]),
sizeof(tag_mapping_table[0]),
tag_key_comparator);
free(name_p);
return ent ? ent->fcc : 0;
}
char *aacenc_load_tag_from_file(const char *path, uint32_t *data_size)
{
FILE *fp = 0;
char *data = 0;
int64_t size;
if ((fp = aacenc_fopen(path, "rb")) == NULL) {
aacenc_fprintf(stderr, "WARNING: %s: %s\n", path, strerror(errno));
goto END;
}
fseeko(fp, 0, SEEK_END);
size = ftello(fp);
if (size > 5*1024*1024) {
aacenc_fprintf(stderr, "WARNING: %s: size too large\n", path);
goto END;
}
fseeko(fp, 0, SEEK_SET);
data = malloc(size + 1);
if (data) fread(data, 1, size, fp);
data[size] = 0;
*data_size = (uint32_t)size;
END:
if (fp) fclose(fp);
return data;
}
void aacenc_param_add_itmf_entry(aacenc_tag_param_t *params, uint32_t tag,
const char *key, const char *value,
uint32_t size, int is_file_name)
{
aacenc_tag_entry_t *entry;
if (!is_file_name && !size)
return;
if (params->tag_count == params->tag_table_capacity) {
unsigned newsize = params->tag_table_capacity;
newsize = newsize ? newsize * 2 : 1;
params->tag_table =
realloc(params->tag_table, newsize * sizeof(aacenc_tag_entry_t));
params->tag_table_capacity = newsize;
}
entry = params->tag_table + params->tag_count;
entry->tag = tag;
if (tag == M4AF_FOURCC('-','-','-','-'))
entry->name = key;
entry->data = value;
entry->data_size = size;
entry->is_file_name = is_file_name;
params->tag_count++;
}
static
void tag_put_number_pair(m4af_ctx_t *m4af, uint32_t fcc,
const char *snumber, const char *stotal)
{
unsigned number = 0, total = 0;
char buf[128];
aacenc_tag_entry_t entry = { 0 };
if (snumber) sscanf(snumber, "%u", &number);
if (stotal) sscanf(stotal, "%u", &total);
if (number) {
if (total) sprintf(buf, "%u/%u", number, total);
else sprintf(buf, "%u", number);
entry.tag = fcc;
entry.data = buf;
entry.data_size = strlen(buf);
aacenc_put_tag_entry(m4af, &entry);
}
}
void aacenc_put_tags_from_json(m4af_ctx_t *m4af, const char *json_filename)
{
char *data = 0;
JSON_Value *json = 0;
JSON_Object *root;
size_t i, nelts;
uint32_t data_size;
char *json_dot_path;
char *filename = 0;
char *disc = 0;
char *track = 0;
char *total_discs = 0;
char *total_tracks = 0;
aacenc_tag_entry_t entry = { 0 };
filename = strdup(json_filename);
if ((json_dot_path = strchr(filename, '?')) != 0)
*json_dot_path++ = '\0';
if (!(data = aacenc_load_tag_from_file(filename, &data_size)))
goto DONE;
if (!(json = json_parse_string(data))) {
aacenc_fprintf(stderr, "WARNING: failed to parse JSON\n");
goto DONE;
}
root = json_value_get_object(json);
if (json_dot_path) {
if (!(root = json_object_dotget_object(root, json_dot_path))) {
aacenc_fprintf(stderr, "WARNING: %s not found in JSON\n",
json_dot_path);
goto DONE;
}
}
nelts = json_object_get_count(root);
for (i = 0; i < nelts; ++i) {
char buf[256];
const char *key = 0;
const char *val = 0;
uint32_t fcc = 0;
JSON_Value_Type type;
key = json_object_get_name(root, i);
type = json_value_get_type(json_object_get_value(root, key));
if (type == JSONString)
val = json_object_get_string(root, key);
else if (type == JSONNumber) {
double num = json_object_get_number(root, key);
sprintf(buf, "%g", num);
val = buf;
} else if (type == JSONBoolean) {
int n = json_object_get_boolean(root, key);
sprintf(buf, "%d", n);
val = buf;
}
fcc = get_tag_fcc_from_name(key);
if (!val || !fcc)
continue;
switch (fcc) {
case TAG_TOTAL_DISCS:
total_discs = strdup(val); break;
case TAG_TOTAL_TRACKS:
total_tracks = strdup(val); break;
case M4AF_TAG_DISK:
disc = strdup(val); break;
case M4AF_TAG_TRACK:
track = strdup(val); break;
default:
{
entry.tag = fcc;
entry.data = val;
entry.data_size = strlen(val);
aacenc_put_tag_entry(m4af, &entry);
}
}
}
tag_put_number_pair(m4af, M4AF_TAG_TRACK, track, total_tracks);
tag_put_number_pair(m4af, M4AF_TAG_DISK, disc, total_discs);
DONE:
if (track) free(track);
if (disc) free(disc);
if (total_tracks) free(total_tracks);
if (total_discs) free(total_discs);
if (data) free(data);
if (filename) free(filename);
if (json) json_value_free(json);
}
void aacenc_put_tag_entry(m4af_ctx_t *m4af, const aacenc_tag_entry_t *tag)
{
unsigned m, n = 0;
const char *data = tag->data;
uint32_t data_size = tag->data_size;
char *file_contents = 0;
if (tag->is_file_name) {
data = file_contents = aacenc_load_tag_from_file(tag->data, &data_size);
if (!data) return;
}
switch (tag->tag) {
case M4AF_TAG_TRACK:
if (sscanf(data, "%u/%u", &m, &n) >= 1)
m4af_add_itmf_track_tag(m4af, m, n);
break;
case M4AF_TAG_DISK:
if (sscanf(data, "%u/%u", &m, &n) >= 1)
m4af_add_itmf_disk_tag(m4af, m, n);
break;
case M4AF_TAG_GENRE_ID3:
if (sscanf(data, "%u", &n) == 1)
m4af_add_itmf_genre_tag(m4af, n);
break;
case M4AF_TAG_TEMPO:
if (sscanf(data, "%u", &n) == 1)
m4af_add_itmf_int16_tag(m4af, tag->tag, n);
break;
case M4AF_TAG_COMPILATION:
case M4AF_FOURCC('a','k','I','D'):
case M4AF_FOURCC('h','d','v','d'):
case M4AF_FOURCC('p','c','s','t'):
case M4AF_FOURCC('p','g','a','p'):
case M4AF_FOURCC('r','t','n','g'):
case M4AF_FOURCC('s','t','i','k'):
if (sscanf(data, "%u", &n) == 1)
m4af_add_itmf_int8_tag(m4af, tag->tag, n);
break;
case M4AF_FOURCC('a','t','I','D'):
case M4AF_FOURCC('c','m','I','D'):
case M4AF_FOURCC('c','n','I','D'):
case M4AF_FOURCC('g','e','I','D'):
case M4AF_FOURCC('s','f','I','D'):
case M4AF_FOURCC('t','v','s','n'):
case M4AF_FOURCC('t','v','s','s'):
if (sscanf(data, "%u", &n) == 1)
m4af_add_itmf_int32_tag(m4af, tag->tag, n);
break;
case M4AF_FOURCC('p','l','I','D'):
{
int64_t qn;
if (sscanf(data, "%" SCNd64, &qn) == 1)
m4af_add_itmf_int64_tag(m4af, tag->tag, qn);
break;
}
case M4AF_TAG_ARTWORK:
{
int data_type = 0;
if (!memcmp(data, "GIF", 3))
data_type = M4AF_GIF;
else if (!memcmp(data, "\xff\xd8\xff", 3))
data_type = M4AF_JPEG;
else if (!memcmp(data, "\x89PNG", 4))
data_type = M4AF_PNG;
if (data_type)
m4af_add_itmf_short_tag(m4af, tag->tag, data_type,
data, data_size);
break;
}
case M4AF_FOURCC('-','-','-','-'):
{
char *u8 = aacenc_to_utf8(data);
m4af_add_itmf_long_tag(m4af, tag->name, u8);
free(u8);
break;
}
case M4AF_TAG_TITLE:
case M4AF_TAG_ARTIST:
case M4AF_TAG_ALBUM:
case M4AF_TAG_GENRE:
case M4AF_TAG_DATE:
case M4AF_TAG_COMPOSER:
case M4AF_TAG_GROUPING:
case M4AF_TAG_COMMENT:
case M4AF_TAG_LYRICS:
case M4AF_TAG_TOOL:
case M4AF_TAG_ALBUM_ARTIST:
case M4AF_TAG_DESCRIPTION:
case M4AF_TAG_LONG_DESCRIPTION:
case M4AF_TAG_COPYRIGHT:
case M4AF_FOURCC('a','p','I','D'):
case M4AF_FOURCC('c','a','t','g'):
case M4AF_FOURCC('k','e','y','w'):
case M4AF_FOURCC('p','u','r','d'):
case M4AF_FOURCC('p','u','r','l'):
case M4AF_FOURCC('s','o','a','a'):
case M4AF_FOURCC('s','o','a','l'):
case M4AF_FOURCC('s','o','a','r'):
case M4AF_FOURCC('s','o','c','o'):
case M4AF_FOURCC('s','o','n','m'):
case M4AF_FOURCC('s','o','s','n'):
case M4AF_FOURCC('t','v','e','n'):
case M4AF_FOURCC('t','v','n','n'):
case M4AF_FOURCC('t','v','s','h'):
case M4AF_FOURCC('x','i','d',' '):
case M4AF_FOURCC('\xa9','e','n','c'):
case M4AF_FOURCC('\xa9','s','t','3'):
{
char *u8 = aacenc_to_utf8(data);
m4af_add_itmf_string_tag(m4af, tag->tag, u8);
free(u8);
break;
}
default:
fprintf(stderr, "WARNING: unknown/unsupported tag: %c%c%c%c\n",
tag->tag >> 24, (tag->tag >> 16) & 0xff,
(tag->tag >> 8) & 0xff, tag->tag & 0xff);
}
if (file_contents) free(file_contents);
}

28
src/metadata.h Normal file
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#ifndef METADATA_H
#define METADATA_H
typedef struct aacenc_tag_entry_t {
uint32_t tag;
const char *name;
const char *data;
uint32_t data_size;
int is_file_name;
} aacenc_tag_entry_t;
typedef struct aacenc_tag_param_t {
aacenc_tag_entry_t *tag_table;
unsigned tag_count;
unsigned tag_table_capacity;
} aacenc_tag_param_t;
char *aacenc_load_tag_from_file(const char *path, uint32_t *data_size);
void aacenc_param_add_itmf_entry(aacenc_tag_param_t *params, uint32_t tag,
const char *key, const char *value,
uint32_t size, int is_file_name);
void aacenc_put_tags_from_json(m4af_ctx_t *m4af, const char *json_filename);
void aacenc_put_tag_entry(m4af_ctx_t *m4af, const aacenc_tag_entry_t *tag);
#endif

647
src/parson.c Normal file
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/*
Parson ( http://kgabis.github.com/parson/ )
Copyright (c) 2012 Krzysztof Gabis
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#include "parson.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#define ERROR 0
#define SUCCESS 1
#define STARTING_CAPACITY 15
#define ARRAY_MAX_CAPACITY 122880 /* 15*(2^13) */
#define OBJECT_MAX_CAPACITY 960 /* 15*(2^6) */
#define MAX_NESTING 19
#define sizeof_token(a) (sizeof(a) - 1)
#define skip_char(str) ((*str)++)
#define skip_whitespaces(str) while (isspace(**string)) { skip_char(string); }
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define parson_malloc(a) malloc(a)
#define parson_free(a) free((void*)a)
#define parson_realloc(a, b) realloc(a, b)
/* Type definitions */
typedef union json_value_value {
const char *string;
double number;
JSON_Object *object;
JSON_Array *array;
int boolean;
int null;
} JSON_Value_Value;
struct json_value_t {
JSON_Value_Type type;
JSON_Value_Value value;
};
struct json_object_t {
const char **names;
JSON_Value **values;
size_t count;
size_t capacity;
};
struct json_array_t {
JSON_Value **items;
size_t count;
size_t capacity;
};
/* Various */
static int try_realloc(void **ptr, size_t new_size);
static char * parson_strndup(const char *string, size_t n);
static int is_utf(const unsigned char *string);
static int is_decimal(const char *string, size_t length);
/* JSON Object */
static JSON_Object * json_object_init(void);
static int json_object_add(JSON_Object *object, const char *name, JSON_Value *value);
static int json_object_resize(JSON_Object *object, size_t capacity);
static JSON_Value * json_object_nget_value(const JSON_Object *object, const char *name, size_t n);
static void json_object_free(JSON_Object *object);
/* JSON Array */
static JSON_Array * json_array_init(void);
static int json_array_add(JSON_Array *array, JSON_Value *value);
static int json_array_resize(JSON_Array *array, size_t capacity);
static void json_array_free(JSON_Array *array);
/* JSON Value */
static JSON_Value * json_value_init_object(void);
static JSON_Value * json_value_init_array(void);
static JSON_Value * json_value_init_string(const char *string);
static JSON_Value * json_value_init_number(double number);
static JSON_Value * json_value_init_boolean(int boolean);
static JSON_Value * json_value_init_null(void);
/* Parser */
static void skip_quotes(const char **string);
static const char * get_processed_string(const char **string);
static JSON_Value * parse_object_value(const char **string, size_t nesting);
static JSON_Value * parse_array_value(const char **string, size_t nesting);
static JSON_Value * parse_string_value(const char **string);
static JSON_Value * parse_boolean_value(const char **string);
static JSON_Value * parse_number_value(const char **string);
static JSON_Value * parse_null_value(const char **string);
static JSON_Value * parse_value(const char **string, size_t nesting);
/* Various */
static int try_realloc(void **ptr, size_t new_size) {
void *reallocated_ptr = parson_realloc(*ptr, new_size);
if (!reallocated_ptr) { return ERROR; }
*ptr = reallocated_ptr;
return SUCCESS;
}
static char * parson_strndup(const char *string, size_t n) {
char *output_string = (char*)parson_malloc(n + 1);
if (!output_string) { return NULL; }
output_string[n] = '\0';
strncpy(output_string, string, n);
return output_string;
}
static int is_utf(const unsigned char *s) {
return isxdigit(s[0]) && isxdigit(s[1]) && isxdigit(s[2]) && isxdigit(s[3]);
}
static int is_decimal(const char *string, size_t length) {
if (length > 1 && string[0] == '0' && string[1] != '.') { return 0; }
if (length > 2 && !strncmp(string, "-0", 2) && string[2] != '.') { return 0; }
while (length--) { if (strchr("xX", string[length])) { return 0; } }
return 1;
}
/* JSON Object */
static JSON_Object * json_object_init(void) {
JSON_Object *new_obj = (JSON_Object*)parson_malloc(sizeof(JSON_Object));
if (!new_obj) { return NULL; }
new_obj->names = (const char**)NULL;
new_obj->values = (JSON_Value**)NULL;
new_obj->capacity = 0;
new_obj->count = 0;
return new_obj;
}
static int json_object_add(JSON_Object *object, const char *name, JSON_Value *value) {
size_t index;
if (object->count >= object->capacity) {
size_t new_capacity = MAX(object->capacity * 2, STARTING_CAPACITY);
if (new_capacity > OBJECT_MAX_CAPACITY) { return ERROR; }
if (json_object_resize(object, new_capacity) == ERROR) { return ERROR; }
}
if (json_object_get_value(object, name) != NULL) { return ERROR; }
index = object->count;
object->names[index] = parson_strndup(name, strlen(name));
if (!object->names[index]) { return ERROR; }
object->values[index] = value;
object->count++;
return SUCCESS;
}
static int json_object_resize(JSON_Object *object, size_t capacity) {
if (try_realloc((void**)&object->names, capacity * sizeof(char*)) == ERROR) { return ERROR; }
if (try_realloc((void**)&object->values, capacity * sizeof(JSON_Value*)) == ERROR) { return ERROR; }
object->capacity = capacity;
return SUCCESS;
}
static JSON_Value * json_object_nget_value(const JSON_Object *object, const char *name, size_t n) {
size_t i, name_length;
for (i = 0; i < json_object_get_count(object); i++) {
name_length = strlen(object->names[i]);
if (name_length != n) { continue; }
if (strncmp(object->names[i], name, n) == 0) { return object->values[i]; }
}
return NULL;
}
static void json_object_free(JSON_Object *object) {
while(object->count--) {
parson_free(object->names[object->count]);
json_value_free(object->values[object->count]);
}
parson_free(object->names);
parson_free(object->values);
parson_free(object);
}
/* JSON Array */
static JSON_Array * json_array_init(void) {
JSON_Array *new_array = (JSON_Array*)parson_malloc(sizeof(JSON_Array));
if (!new_array) { return NULL; }
new_array->items = (JSON_Value**)NULL;
new_array->capacity = 0;
new_array->count = 0;
return new_array;
}
static int json_array_add(JSON_Array *array, JSON_Value *value) {
if (array->count >= array->capacity) {
size_t new_capacity = MAX(array->capacity * 2, STARTING_CAPACITY);
if (new_capacity > ARRAY_MAX_CAPACITY) { return ERROR; }
if (!json_array_resize(array, new_capacity)) { return ERROR; }
}
array->items[array->count] = value;
array->count++;
return SUCCESS;
}
static int json_array_resize(JSON_Array *array, size_t capacity) {
if (try_realloc((void**)&array->items, capacity * sizeof(JSON_Value*)) == ERROR) { return ERROR; }
array->capacity = capacity;
return SUCCESS;
}
static void json_array_free(JSON_Array *array) {
while (array->count--) { json_value_free(array->items[array->count]); }
parson_free(array->items);
parson_free(array);
}
/* JSON Value */
static JSON_Value * json_value_init_object(void) {
JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
if (!new_value) { return NULL; }
new_value->type = JSONObject;
new_value->value.object = json_object_init();
if (!new_value->value.object) { parson_free(new_value); return NULL; }
return new_value;
}
static JSON_Value * json_value_init_array(void) {
JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
if (!new_value) { return NULL; }
new_value->type = JSONArray;
new_value->value.array = json_array_init();
if (!new_value->value.array) { parson_free(new_value); return NULL; }
return new_value;
}
static JSON_Value * json_value_init_string(const char *string) {
JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
if (!new_value) { return NULL; }
new_value->type = JSONString;
new_value->value.string = string;
return new_value;
}
static JSON_Value * json_value_init_number(double number) {
JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
if (!new_value) { return NULL; }
new_value->type = JSONNumber;
new_value->value.number = number;
return new_value;
}
static JSON_Value * json_value_init_boolean(int boolean) {
JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
if (!new_value) { return NULL; }
new_value->type = JSONBoolean;
new_value->value.boolean = boolean;
return new_value;
}
static JSON_Value * json_value_init_null(void) {
JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
if (!new_value) { return NULL; }
new_value->type = JSONNull;
return new_value;
}
/* Parser */
static void skip_quotes(const char **string) {
skip_char(string);
while (**string != '\"') {
if (**string == '\0') { return; }
if (**string == '\\') { skip_char(string); if (**string == '\0') { return; }}
skip_char(string);
}
skip_char(string);
}
/* Returns contents of a string inside double quotes and parses escaped
characters inside.
Example: "\u006Corem ipsum" -> lorem ipsum */
static const char * get_processed_string(const char **string) {
const char *string_start = *string;
char *output, *processed_ptr, *unprocessed_ptr, current_char;
unsigned int utf_val;
skip_quotes(string);
if (**string == '\0') { return NULL; }
output = parson_strndup(string_start + 1, *string - string_start - 2);
if (!output) { return NULL; }
processed_ptr = unprocessed_ptr = output;
while (*unprocessed_ptr) {
current_char = *unprocessed_ptr;
if (current_char == '\\') {
unprocessed_ptr++;
current_char = *unprocessed_ptr;
switch (current_char) {
case '\"': case '\\': case '/': break;
case 'b': current_char = '\b'; break;
case 'f': current_char = '\f'; break;
case 'n': current_char = '\n'; break;
case 'r': current_char = '\r'; break;
case 't': current_char = '\t'; break;
case 'u':
unprocessed_ptr++;
if (!is_utf((const unsigned char*)unprocessed_ptr) ||
sscanf(unprocessed_ptr, "%4x", &utf_val) == EOF) {
parson_free(output); return NULL;
}
if (utf_val < 0x80) {
current_char = utf_val;
} else if (utf_val < 0x800) {
*processed_ptr++ = (utf_val >> 6) | 0xC0;
current_char = ((utf_val | 0x80) & 0xBF);
} else {
*processed_ptr++ = (utf_val >> 12) | 0xE0;
*processed_ptr++ = (((utf_val >> 6) | 0x80) & 0xBF);
current_char = ((utf_val | 0x80) & 0xBF);
}
unprocessed_ptr += 3;
break;
default:
parson_free(output);
return NULL;
break;
}
} else if ((unsigned char)current_char < 0x20) { /* 0x00-0x19 are invalid characters for json string (http://www.ietf.org/rfc/rfc4627.txt) */
parson_free(output);
return NULL;
}
*processed_ptr = current_char;
processed_ptr++;
unprocessed_ptr++;
}
*processed_ptr = '\0';
if (try_realloc((void**)&output, strlen(output) + 1) == ERROR) { return NULL; }
return output;
}
static JSON_Value * parse_value(const char **string, size_t nesting) {
if (nesting > MAX_NESTING) { return NULL; }
skip_whitespaces(string);
switch (**string) {
case '{':
return parse_object_value(string, nesting + 1);
case '[':
return parse_array_value(string, nesting + 1);
case '\"':
return parse_string_value(string);
case 'f': case 't':
return parse_boolean_value(string);
case '-':
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
return parse_number_value(string);
case 'n':
return parse_null_value(string);
default:
return NULL;
}
}
static JSON_Value * parse_object_value(const char **string, size_t nesting) {
JSON_Value *output_value = json_value_init_object(), *new_value = NULL;
JSON_Object *output_object = json_value_get_object(output_value);
const char *new_key = NULL;
if (!output_value) { return NULL; }
skip_char(string);
skip_whitespaces(string);
if (**string == '}') { skip_char(string); return output_value; } /* empty object */
while (**string != '\0') {
new_key = get_processed_string(string);
skip_whitespaces(string);
if (!new_key || **string != ':') {
json_value_free(output_value);
return NULL;
}
skip_char(string);
new_value = parse_value(string, nesting);
if (!new_value) {
parson_free(new_key);
json_value_free(output_value);
return NULL;
}
if(!json_object_add(output_object, new_key, new_value)) {
parson_free(new_key);
parson_free(new_value);
json_value_free(output_value);
return NULL;
}
parson_free(new_key);
skip_whitespaces(string);
if (**string != ',') { break; }
skip_char(string);
skip_whitespaces(string);
}
skip_whitespaces(string);
if (**string != '}' || /* Trim object after parsing is over */
json_object_resize(output_object, json_object_get_count(output_object)) == ERROR) {
json_value_free(output_value);
return NULL;
}
skip_char(string);
return output_value;
}
static JSON_Value * parse_array_value(const char **string, size_t nesting) {
JSON_Value *output_value = json_value_init_array(), *new_array_value = NULL;
JSON_Array *output_array = json_value_get_array(output_value);
if (!output_value) { return NULL; }
skip_char(string);
skip_whitespaces(string);
if (**string == ']') { /* empty array */
skip_char(string);
return output_value;
}
while (**string != '\0') {
new_array_value = parse_value(string, nesting);
if (!new_array_value) {
json_value_free(output_value);
return NULL;
}
if(json_array_add(output_array, new_array_value) == ERROR) {
parson_free(new_array_value);
json_value_free(output_value);
return NULL;
}
skip_whitespaces(string);
if (**string != ',') { break; }
skip_char(string);
skip_whitespaces(string);
}
skip_whitespaces(string);
if (**string != ']' || /* Trim array after parsing is over */
json_array_resize(output_array, json_array_get_count(output_array)) == ERROR) {
json_value_free(output_value);
return NULL;
}
skip_char(string);
return output_value;
}
static JSON_Value * parse_string_value(const char **string) {
const char *new_string = get_processed_string(string);
if (!new_string) { return NULL; }
return json_value_init_string(new_string);
}
static JSON_Value * parse_boolean_value(const char **string) {
size_t true_token_size = sizeof_token("true");
size_t false_token_size = sizeof_token("false");
if (strncmp("true", *string, true_token_size) == 0) {
*string += true_token_size;
return json_value_init_boolean(1);
} else if (strncmp("false", *string, false_token_size) == 0) {
*string += false_token_size;
return json_value_init_boolean(0);
}
return NULL;
}
static JSON_Value * parse_number_value(const char **string) {
char *end;
double number = strtod(*string, &end);
JSON_Value *output_value;
if (is_decimal(*string, end - *string)) {
*string = end;
output_value = json_value_init_number(number);
} else {
output_value = NULL;
}
return output_value;
}
static JSON_Value * parse_null_value(const char **string) {
size_t token_size = sizeof_token("null");
if (strncmp("null", *string, token_size) == 0) {
*string += token_size;
return json_value_init_null();
}
return NULL;
}
/* Parser API */
JSON_Value * json_parse_file(const char *filename) {
FILE *fp = fopen(filename, "r");
size_t file_size;
char *file_contents;
JSON_Value *output_value;
if (!fp) { return NULL; }
fseek(fp, 0L, SEEK_END);
file_size = ftell(fp);
rewind(fp);
file_contents = (char*)parson_malloc(sizeof(char) * (file_size + 1));
if (!file_contents) { fclose(fp); return NULL; }
fread(file_contents, file_size, 1, fp);
fclose(fp);
file_contents[file_size] = '\0';
output_value = json_parse_string(file_contents);
parson_free(file_contents);
return output_value;
}
JSON_Value * json_parse_string(const char *string) {
if (!string || (*string != '{' && *string != '[')) { return NULL; }
return parse_value((const char**)&string, 0);
}
/* JSON Object API */
JSON_Value * json_object_get_value(const JSON_Object *object, const char *name) {
return json_object_nget_value(object, name, strlen(name));
}
const char * json_object_get_string(const JSON_Object *object, const char *name) {
return json_value_get_string(json_object_get_value(object, name));
}
double json_object_get_number(const JSON_Object *object, const char *name) {
return json_value_get_number(json_object_get_value(object, name));
}
JSON_Object * json_object_get_object(const JSON_Object *object, const char *name) {
return json_value_get_object(json_object_get_value(object, name));
}
JSON_Array * json_object_get_array(const JSON_Object *object, const char *name) {
return json_value_get_array(json_object_get_value(object, name));
}
int json_object_get_boolean(const JSON_Object *object, const char *name) {
return json_value_get_boolean(json_object_get_value(object, name));
}
JSON_Value * json_object_dotget_value(const JSON_Object *object, const char *name) {
const char *dot_position = strchr(name, '.');
if (!dot_position) { return json_object_get_value(object, name); }
object = json_value_get_object(json_object_nget_value(object, name, dot_position - name));
return json_object_dotget_value(object, dot_position + 1);
}
const char * json_object_dotget_string(const JSON_Object *object, const char *name) {
return json_value_get_string(json_object_dotget_value(object, name));
}
double json_object_dotget_number(const JSON_Object *object, const char *name) {
return json_value_get_number(json_object_dotget_value(object, name));
}
JSON_Object * json_object_dotget_object(const JSON_Object *object, const char *name) {
return json_value_get_object(json_object_dotget_value(object, name));
}
JSON_Array * json_object_dotget_array(const JSON_Object *object, const char *name) {
return json_value_get_array(json_object_dotget_value(object, name));
}
int json_object_dotget_boolean(const JSON_Object *object, const char *name) {
return json_value_get_boolean(json_object_dotget_value(object, name));
}
size_t json_object_get_count(const JSON_Object *object) {
return object ? object->count : 0;
}
const char * json_object_get_name(const JSON_Object *object, size_t index) {
if (index >= json_object_get_count(object)) { return NULL; }
return object->names[index];
}
/* JSON Array API */
JSON_Value * json_array_get_value(const JSON_Array *array, size_t index) {
if (index >= json_array_get_count(array)) { return NULL; }
return array->items[index];
}
const char * json_array_get_string(const JSON_Array *array, size_t index) {
return json_value_get_string(json_array_get_value(array, index));
}
double json_array_get_number(const JSON_Array *array, size_t index) {
return json_value_get_number(json_array_get_value(array, index));
}
JSON_Object * json_array_get_object(const JSON_Array *array, size_t index) {
return json_value_get_object(json_array_get_value(array, index));
}
JSON_Array * json_array_get_array(const JSON_Array *array, size_t index) {
return json_value_get_array(json_array_get_value(array, index));
}
int json_array_get_boolean(const JSON_Array *array, size_t index) {
return json_value_get_boolean(json_array_get_value(array, index));
}
size_t json_array_get_count(const JSON_Array *array) {
return array ? array->count : 0;
}
/* JSON Value API */
JSON_Value_Type json_value_get_type(const JSON_Value *value) {
return value ? value->type : JSONError;
}
JSON_Object * json_value_get_object(const JSON_Value *value) {
return json_value_get_type(value) == JSONObject ? value->value.object : NULL;
}
JSON_Array * json_value_get_array(const JSON_Value *value) {
return json_value_get_type(value) == JSONArray ? value->value.array : NULL;
}
const char * json_value_get_string(const JSON_Value *value) {
return json_value_get_type(value) == JSONString ? value->value.string : NULL;
}
double json_value_get_number(const JSON_Value *value) {
return json_value_get_type(value) == JSONNumber ? value->value.number : 0;
}
int json_value_get_boolean(const JSON_Value *value) {
return json_value_get_type(value) == JSONBoolean ? value->value.boolean : -1;
}
void json_value_free(JSON_Value *value) {
switch (json_value_get_type(value)) {
case JSONObject:
json_object_free(value->value.object);
break;
case JSONString:
if (value->value.string) { parson_free(value->value.string); }
break;
case JSONArray:
json_array_free(value->value.array);
break;
default:
break;
}
parson_free(value);
}

100
src/parson.h Normal file
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@ -0,0 +1,100 @@
/*
Parson ( http://kgabis.github.com/parson/ )
Copyright (c) 2012 Krzysztof Gabis
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#ifndef parson_parson_h
#define parson_parson_h
#ifdef __cplusplus
extern "C"
{
#endif
#include <stddef.h> /* size_t */
/* Types and enums */
typedef struct json_object_t JSON_Object;
typedef struct json_array_t JSON_Array;
typedef struct json_value_t JSON_Value;
typedef enum json_value_type {
JSONError = 0,
JSONNull = 1,
JSONString = 2,
JSONNumber = 3,
JSONObject = 4,
JSONArray = 5,
JSONBoolean = 6
} JSON_Value_Type;
/* Parses first JSON value in a file, returns NULL in case of error */
JSON_Value * json_parse_file(const char *filename);
/* Parses first JSON value in a string, returns NULL in case of error */
JSON_Value * json_parse_string(const char *string);
/* JSON Object */
JSON_Value * json_object_get_value (const JSON_Object *object, const char *name);
const char * json_object_get_string (const JSON_Object *object, const char *name);
JSON_Object * json_object_get_object (const JSON_Object *object, const char *name);
JSON_Array * json_object_get_array (const JSON_Object *object, const char *name);
double json_object_get_number (const JSON_Object *object, const char *name);
int json_object_get_boolean(const JSON_Object *object, const char *name);
/* dotget functions enable addressing values with dot notation in nested objects,
just like in structs or c++/java/c# objects (e.g. objectA.objectB.value).
Because valid names in JSON can contain dots, some values may be inaccessible
this way. */
JSON_Value * json_object_dotget_value (const JSON_Object *object, const char *name);
const char * json_object_dotget_string (const JSON_Object *object, const char *name);
JSON_Object * json_object_dotget_object (const JSON_Object *object, const char *name);
JSON_Array * json_object_dotget_array (const JSON_Object *object, const char *name);
double json_object_dotget_number (const JSON_Object *object, const char *name);
int json_object_dotget_boolean(const JSON_Object *object, const char *name);
/* Functions to get available names */
size_t json_object_get_count(const JSON_Object *object);
const char * json_object_get_name (const JSON_Object *object, size_t index);
/* JSON Array */
JSON_Value * json_array_get_value (const JSON_Array *array, size_t index);
const char * json_array_get_string (const JSON_Array *array, size_t index);
JSON_Object * json_array_get_object (const JSON_Array *array, size_t index);
JSON_Array * json_array_get_array (const JSON_Array *array, size_t index);
double json_array_get_number (const JSON_Array *array, size_t index);
int json_array_get_boolean(const JSON_Array *array, size_t index);
size_t json_array_get_count (const JSON_Array *array);
/* JSON Value */
JSON_Value_Type json_value_get_type (const JSON_Value *value);
JSON_Object * json_value_get_object (const JSON_Value *value);
JSON_Array * json_value_get_array (const JSON_Value *value);
const char * json_value_get_string (const JSON_Value *value);
double json_value_get_number (const JSON_Value *value);
int json_value_get_boolean(const JSON_Value *value);
void json_value_free (JSON_Value *value);
#ifdef __cplusplus
}
#endif
#endif

2
version.h
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@ -1,4 +1,4 @@
#ifndef VERSION_H #ifndef VERSION_H
#define VERSION_H #define VERSION_H
const char *fdkaac_version = "0.1.6"; const char *fdkaac_version = "0.1.7";
#endif #endif