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-rw-r--r--src/strfsong.c360
1 files changed, 165 insertions, 195 deletions
diff --git a/src/strfsong.c b/src/strfsong.c
index df622a2bb..27eadb236 100644
--- a/src/strfsong.c
+++ b/src/strfsong.c
@@ -34,222 +34,192 @@
#include "support.h"
#include "strfsong.h"
-static gchar *
-skip(gchar * p)
+static gchar *
+skip(gchar * p)
{
- gint stack = 0;
-
- while (*p != '\0') {
- if(*p == '[') stack++;
- if(*p == '#' && p[1] != '\0') {
- /* skip escaped stuff */
- ++p;
- }
- else if(stack) {
- if(*p == ']') stack--;
- }
- else {
- if(*p == '&' || *p == '|' || *p == ']') {
- break;
- }
- }
- ++p;
- }
+ gint stack = 0;
+
+ while (*p != '\0') {
+ if(*p == '[') stack++;
+ if(*p == '#' && p[1] != '\0') {
+ /* skip escaped stuff */
+ ++p;
+ } else if(stack) {
+ if(*p == ']') stack--;
+ } else {
+ if(*p == '&' || *p == '|' || *p == ']') {
+ break;
+ }
+ }
+ ++p;
+ }
- return p;
+ return p;
}
static gsize
-_strfsong(gchar *s,
- gsize max,
- const gchar *format,
- mpd_Song *song,
+_strfsong(gchar *s,
+ gsize max,
+ const gchar *format,
+ mpd_Song *song,
gchar **last)
{
- gchar *p, *end;
- gchar *temp;
- gsize n, length = 0;
- gboolean found = FALSE;
-
- memset(s, 0, max);
- if( song==NULL )
- return 0;
-
- for( p=(gchar *) format; *p != '\0' && length<max; )
- {
- /* OR */
- if (p[0] == '|')
- {
- ++p;
- if(!found)
- {
- memset(s, 0, max);
- length = 0;
- }
- else
- {
- p = skip(p);
- }
- continue;
- }
+ gchar *p, *end;
+ gchar *temp;
+ gsize n, length = 0;
+ gboolean found = FALSE;
+
+ memset(s, 0, max);
+ if( song==NULL )
+ return 0;
+
+ for (p = (gchar *)format; *p != '\0' && length<max;) {
+ /* OR */
+ if (p[0] == '|') {
+ ++p;
+ if(!found) {
+ memset(s, 0, max);
+ length = 0;
+ } else {
+ p = skip(p);
+ }
+ continue;
+ }
- /* AND */
- if (p[0] == '&')
- {
- ++p;
- if(!found)
- {
- p = skip(p);
- }
- else
- {
- found = FALSE;
- }
- continue;
- }
+ /* AND */
+ if (p[0] == '&') {
+ ++p;
+ if(!found) {
+ p = skip(p);
+ } else {
+ found = FALSE;
+ }
+ continue;
+ }
- /* EXPRESSION START */
- if (p[0] == '[')
- {
- temp = g_malloc0(max);
- if( _strfsong(temp, max, p+1, song, &p) >0 )
- {
- g_strlcat(s, temp, max);
- length = strlen(s);
- found = TRUE;
- }
- g_free(temp);
- continue;
- }
+ /* EXPRESSION START */
+ if (p[0] == '[') {
+ temp = g_malloc0(max);
+ if( _strfsong(temp, max, p+1, song, &p) >0 ) {
+ g_strlcat(s, temp, max);
+ length = strlen(s);
+ found = TRUE;
+ }
+ g_free(temp);
+ continue;
+ }
- /* EXPRESSION END */
- if (p[0] == ']')
- {
- if(last) *last = p+1;
- if(!found && length)
- {
- memset(s, 0, max);
- length = 0;
- }
- return length;
- }
+ /* EXPRESSION END */
+ if (p[0] == ']') {
+ if(last) *last = p+1;
+ if(!found && length) {
+ memset(s, 0, max);
+ length = 0;
+ }
+ return length;
+ }
- /* pass-through non-escaped portions of the format string */
- if (p[0] != '#' && p[0] != '%' && length<max)
- {
- s[length++] = *p;
- p++;
- continue;
- }
+ /* pass-through non-escaped portions of the format string */
+ if (p[0] != '#' && p[0] != '%' && length<max) {
+ s[length++] = *p;
+ p++;
+ continue;
+ }
- /* let the escape character escape itself */
- if (p[0] == '#' && p[1] != '\0' && length<max)
- {
- s[length++] = *(p+1);
- p+=2;
- continue;
- }
+ /* let the escape character escape itself */
+ if (p[0] == '#' && p[1] != '\0' && length<max) {
+ s[length++] = *(p+1);
+ p+=2;
+ continue;
+ }
- /* advance past the esc character */
+ /* advance past the esc character */
- /* find the extent of this format specifier (stop at \0, ' ', or esc) */
- temp = NULL;
- end = p+1;
- while(*end >= 'a' && *end <= 'z')
- {
- end++;
- }
- n = end - p + 1;
- if(*end != '%')
- n--;
- else if (strncmp("%file%", p, n) == 0)
- temp = utf8_to_locale(song->file);
- else if (strncmp("%artist%", p, n) == 0)
- temp = song->artist ? utf8_to_locale(song->artist) : NULL;
- else if (strncmp("%title%", p, n) == 0)
- temp = song->title ? utf8_to_locale(song->title) : NULL;
- else if (strncmp("%album%", p, n) == 0)
- temp = song->album ? utf8_to_locale(song->album) : NULL;
- else if (strncmp("%shortalbum%", p, n) == 0)
- {
- temp = song->album ? utf8_to_locale(song->album) : NULL;
- if (temp)
- {
- gchar *temp2 = g_strndup(temp, 25);
- if (strlen(temp) > 25)
- {
- temp2[24] = '.';
- temp2[23] = '.';
- temp2[22] = '.';
+ /* find the extent of this format specifier (stop at \0, ' ', or esc) */
+ temp = NULL;
+ end = p+1;
+ while(*end >= 'a' && *end <= 'z') {
+ end++;
}
- g_free(temp);
- temp = temp2;
- }
- }
- else if (strncmp("%track%", p, n) == 0)
- temp = song->track ? utf8_to_locale(song->track) : NULL;
- else if (strncmp("%name%", p, n) == 0)
- temp = song->name ? utf8_to_locale(song->name) : NULL;
- else if (strncmp("%date%", p, n) == 0)
- temp = song->date ? utf8_to_locale(song->date) : NULL;
- else if (strncmp("%genre%", p, n) == 0)
- temp = song->genre ? utf8_to_locale(song->genre) : NULL;
- else if (strncmp("%shortfile%", p, n) == 0)
- {
- if( strstr(song->file, "://") )
- temp = utf8_to_locale(song->file);
- else
- temp = utf8_to_locale(basename(song->file));
- }
- else if (strncmp("%time%", p, n) == 0)
- {
- if (song->time != MPD_SONG_NO_TIME)
- {
- if (song->time > 3600)
- {
- temp = g_strdup_printf("%d:%02d:%02d",
- song->time / 3600,
- (song->time % 3600) / 60,
- song->time % 60);
+ n = end - p + 1;
+ if(*end != '%')
+ n--;
+ else if (strncmp("%file%", p, n) == 0)
+ temp = utf8_to_locale(song->file);
+ else if (strncmp("%artist%", p, n) == 0)
+ temp = song->artist ? utf8_to_locale(song->artist) : NULL;
+ else if (strncmp("%title%", p, n) == 0)
+ temp = song->title ? utf8_to_locale(song->title) : NULL;
+ else if (strncmp("%album%", p, n) == 0)
+ temp = song->album ? utf8_to_locale(song->album) : NULL;
+ else if (strncmp("%shortalbum%", p, n) == 0) {
+ temp = song->album ? utf8_to_locale(song->album) : NULL;
+ if (temp) {
+ gchar *temp2 = g_strndup(temp, 25);
+ if (strlen(temp) > 25) {
+ temp2[24] = '.';
+ temp2[23] = '.';
+ temp2[22] = '.';
+ }
+ g_free(temp);
+ temp = temp2;
+ }
}
- else
- {
- temp = g_strdup_printf("%d:%02d",
- song->time / 60,
- song->time % 60);
+ else if (strncmp("%track%", p, n) == 0)
+ temp = song->track ? utf8_to_locale(song->track) : NULL;
+ else if (strncmp("%name%", p, n) == 0)
+ temp = song->name ? utf8_to_locale(song->name) : NULL;
+ else if (strncmp("%date%", p, n) == 0)
+ temp = song->date ? utf8_to_locale(song->date) : NULL;
+ else if (strncmp("%genre%", p, n) == 0)
+ temp = song->genre ? utf8_to_locale(song->genre) : NULL;
+ else if (strncmp("%shortfile%", p, n) == 0) {
+ if( strstr(song->file, "://") )
+ temp = utf8_to_locale(song->file);
+ else
+ temp = utf8_to_locale(basename(song->file));
+ } else if (strncmp("%time%", p, n) == 0) {
+ if (song->time != MPD_SONG_NO_TIME) {
+ if (song->time > 3600) {
+ temp = g_strdup_printf("%d:%02d:%02d",
+ song->time / 3600,
+ (song->time % 3600) / 60,
+ song->time % 60);
+ } else {
+ temp = g_strdup_printf("%d:%02d",
+ song->time / 60,
+ song->time % 60);
+ }
+ }
}
- }
- }
-
- if( temp == NULL)
- {
- gsize templen=n;
- /* just pass-through any unknown specifiers (including esc) */
- /* drop a null char in so printf stops at the end of this specifier,
- but put the real character back in (pseudo-const) */
- if( length+templen > max )
- templen = max-length;
- g_strlcat(s, p,max);
- length+=templen;
- }
- else {
- gsize templen = strlen(temp);
- found = TRUE;
- if( length+templen > max )
- templen = max-length;
- g_strlcat(s, temp, max);
- length+=templen;
- g_free(temp);
- }
+ if( temp == NULL) {
+ gsize templen=n;
+ /* just pass-through any unknown specifiers (including esc) */
+ /* drop a null char in so printf stops at the end of this specifier,
+ but put the real character back in (pseudo-const) */
+ if( length+templen > max )
+ templen = max-length;
+ g_strlcat(s, p,max);
+ length+=templen;
+ } else {
+ gsize templen = strlen(temp);
+
+ found = TRUE;
+ if( length+templen > max )
+ templen = max-length;
+ g_strlcat(s, temp, max);
+ length+=templen;
+ g_free(temp);
+ }
- /* advance past the specifier */
- p += n;
- }
+ /* advance past the specifier */
+ p += n;
+ }
- if(last) *last = p;
+ if(last) *last = p;
- return length;
+ return length;
}
gsize
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