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/*
* Copyright 2004-2007 Timo Hirvonen
*/
#include "comment.h"
#include "xmalloc.h"
#include "utils.h"
#include <string.h>
struct keyval *comments_dup(const struct keyval *comments)
{
struct keyval *c;
int i;
for (i = 0; comments[i].key; i++)
; /* nothing */
c = xnew(struct keyval, i + 1);
for (i = 0; comments[i].key; i++) {
c[i].key = xstrdup(comments[i].key);
c[i].val = xstrdup(comments[i].val);
}
c[i].key = NULL;
c[i].val = NULL;
return c;
}
void comments_free(struct keyval *comments)
{
int i;
for (i = 0; comments[i].key; i++) {
free(comments[i].key);
free(comments[i].val);
}
free(comments);
}
const char *comments_get_val(const struct keyval *comments, const char *key)
{
int i;
for (i = 0; comments[i].key; i++) {
if (strcasecmp(comments[i].key, key) == 0)
return comments[i].val;
}
return NULL;
}
const char *comments_get_albumartist(const struct keyval *comments)
{
const char *val = comments_get_val(comments, "albumartist");
if (!val)
val = comments_get_val(comments, "artist");
return val;
}
int comments_get_int(const struct keyval *comments, const char *key)
{
const char *val;
long int ival;
val = comments_get_val(comments, key);
if (val == NULL)
return -1;
if (str_to_int(val, &ival) == -1)
return -1;
return ival;
}
/* Return date as an integer in the form YYYYMMDD, for sorting purposes.
* This function is not year 10000 compliant. */
int comments_get_date(const struct keyval *comments, const char *key)
{
const char *val;
char *endptr;
int year, month, day;
long int ival;
val = comments_get_val(comments, key);
if (val == NULL)
return -1;
year = strtol(val, &endptr, 10);
/* Looking for a four-digit number */
if (year < 1000 || year > 9999)
return -1;
ival = year * 10000;
if (*endptr == '-' || *endptr == ' ' || *endptr == '/') {
month = strtol(endptr+1, &endptr, 10);
if (month < 1 || month > 12)
return ival;
ival += month * 100;
}
if (*endptr == '-' || *endptr == ' ' || *endptr == '/') {
day = strtol(endptr+1, &endptr, 10);
if (day < 1 || day > 31)
return ival;
ival += day;
}
return ival;
}
static const char *interesting[] = {
"artist", "album", "title", "tracknumber", "discnumber", "genre",
"date", "compilation", "albumartist", "artistsort", "albumartistsort",
"replaygain_track_gain",
"replaygain_track_peak",
"replaygain_album_gain",
"replaygain_album_peak",
NULL
};
static struct {
const char *old;
const char *new;
} key_map[] = {
{ "album_artist", "albumartist" },
{ "album artist", "albumartist" },
{ "disc", "discnumber" },
{ "track", "tracknumber" },
{ NULL, NULL }
};
static const char *fix_key(const char *key)
{
int i;
for (i = 0; interesting[i]; i++) {
if (!strcasecmp(key, interesting[i]))
return interesting[i];
}
for (i = 0; key_map[i].old; i++) {
if (!strcasecmp(key, key_map[i].old))
return key_map[i].new;
}
return NULL;
}
int comments_add(struct growing_keyvals *c, const char *key, char *val)
{
int i, n = c->count + 1;
key = fix_key(key);
if (!key) {
free(val);
return 0;
}
if (!strcmp(key, "tracknumber") || !strcmp(key, "discnumber")) {
char *slash = strchr(val, '/');
if (slash)
*slash = 0;
}
/* don't add duplicates. can't use comments_get_val() */
for (i = 0; i < c->count; i++) {
if (!strcasecmp(key, c->comments[i].key) && !strcmp(val, c->comments[i].val)) {
free(val);
return 0;
}
}
if (n > c->alloc) {
n = (n + 3) & ~3;
c->comments = xrenew(struct keyval, c->comments, n);
c->alloc = n;
}
c->comments[c->count].key = xstrdup(key);
c->comments[c->count].val = val;
c->count++;
return 1;
}
int comments_add_const(struct growing_keyvals *c, const char *key, const char *val)
{
return comments_add(c, key, xstrdup(val));
}
void comments_terminate(struct growing_keyvals *c)
{
int alloc = c->count + 1;
if (alloc > c->alloc) {
c->comments = xrenew(struct keyval, c->comments, alloc);
c->alloc = alloc;
}
c->comments[c->count].key = NULL;
c->comments[c->count].val = NULL;
}
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