--- /dev/null
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "cue.h"
+
+#include "../pico_int.h"
+// #define elprintf(w,f,...) printf(f "\n",##__VA_ARGS__);
+
+#ifdef _MSC_VER
+#define snprintf _snprintf
+#endif
+#ifdef __EPOC32__
+#define snprintf(b,s,...) sprintf(b,##__VA_ARGS__)
+#endif
+
+static char *mystrip(char *str)
+{
+ int i, len;
+
+ len = strlen(str);
+ for (i = 0; i < len; i++)
+ if (str[i] != ' ') break;
+ if (i > 0) memmove(str, str + i, len - i + 1);
+
+ len = strlen(str);
+ for (i = len - 1; i >= 0; i--)
+ if (str[i] != ' ' && str[i] != '\r' && str[i] != '\n') break;
+ str[i+1] = 0;
+
+ return str;
+}
+
+static int get_token(const char *buff, char *dest, int len)
+{
+ const char *p = buff;
+ char sep = ' ';
+ int d = 0, skip = 0;
+
+ while (*p && *p == ' ') {
+ skip++;
+ p++;
+ }
+
+ if (*p == '\"') {
+ sep = '\"';
+ p++;
+ }
+ while (*p && *p != sep && d < len-1)
+ dest[d++] = *p++;
+ dest[d] = 0;
+
+ if (sep == '\"' && *p != sep)
+ elprintf(EL_STATUS, "cue: bad token: \"%s\"", buff);
+
+ return d + skip;
+}
+
+static char *get_ext(char *fname)
+{
+ int len = strlen(fname);
+ return (len >= 3) ? (fname + len - 3) : fname;
+}
+
+
+#define BEGINS(buff,str) (strncmp(buff,str,sizeof(str)-1) == 0)
+
+/* note: tracks[0] is not used */
+cue_data_t *cue_parse(const char *fname)
+{
+ char buff[256], current_file[256], buff2[32], *current_filep;
+ FILE *f, *tmpf;
+ int ret, count = 0, count_alloc = 2, pending_pregap = 0;
+ cue_data_t *data;
+ void *tmp;
+
+ f = fopen(fname, "r");
+ if (f == NULL) return NULL;
+
+ snprintf(current_file, sizeof(current_file), "%s", fname);
+ for (current_filep = current_file + strlen(current_file); current_filep > current_file; current_filep--)
+ if (current_filep[-1] == '/' || current_filep[-1] == '\\') break;
+
+ data = calloc(1, sizeof(*data) + count_alloc * sizeof(cue_track));
+ if (data == NULL) {
+ fclose(f);
+ return NULL;
+ }
+
+ while (!feof(f))
+ {
+ tmp = fgets(buff, sizeof(buff), f);
+ if (tmp == NULL) break;
+
+ mystrip(buff);
+ if (buff[0] == 0) continue;
+ if (BEGINS(buff, "TITLE ") || BEGINS(buff, "PERFORMER ") || BEGINS(buff, "SONGWRITER "))
+ continue; /* who would put those here? Ignore! */
+ else if (BEGINS(buff, "FILE "))
+ {
+ get_token(buff+5, current_filep, sizeof(current_file) - (current_filep - current_file));
+ }
+ else if (BEGINS(buff, "TRACK "))
+ {
+ count++;
+ if (count >= count_alloc) {
+ count_alloc *= 2;
+ tmp = realloc(data, sizeof(*data) + count_alloc * sizeof(cue_track));
+ if (tmp == NULL) { count--; break; }
+ data = tmp;
+ }
+ memset(&data->tracks[count], 0, sizeof(data->tracks[0]));
+ if (count == 1 || strcmp(data->tracks[1].fname, current_file) != 0)
+ {
+ data->tracks[count].fname = strdup(current_file);
+ if (data->tracks[count].fname == NULL) break;
+
+ tmpf = fopen(current_file, "rb");
+ if (tmpf == NULL) {
+ elprintf(EL_STATUS, "cue: bad/missing file: \"%s\"", current_file);
+ count--; break;
+ }
+ fclose(tmpf);
+ }
+ data->tracks[count].pregap = pending_pregap;
+ pending_pregap = 0;
+ // track number
+ ret = get_token(buff+6, buff2, sizeof(buff2));
+ if (count != atoi(buff2))
+ elprintf(EL_STATUS, "cue: track index mismatch: track %i is track %i in cue",
+ count, atoi(buff2));
+ // check type
+ get_token(buff+6+ret, buff2, sizeof(buff2));
+ if (strcmp(buff2, "MODE1/2352") == 0)
+ data->tracks[count].type = CT_BIN;
+ else if (strcmp(buff2, "MODE1/2048") == 0)
+ data->tracks[count].type = CT_ISO;
+ else if (strcmp(buff2, "AUDIO") == 0)
+ {
+ if (data->tracks[count].fname != NULL)
+ {
+ // rely on extension, not type in cue..
+ char *ext = get_ext(data->tracks[count].fname);
+ if (strcasecmp(ext, "mp3") == 0)
+ data->tracks[count].type = CT_MP3;
+ else if (strcasecmp(ext, "wav") == 0)
+ data->tracks[count].type = CT_WAV;
+ else {
+ elprintf(EL_STATUS, "unhandled audio format: \"%s\"",
+ data->tracks[count].fname);
+ }
+ }
+ else
+ {
+ // propagate previous
+ data->tracks[count].type = data->tracks[count-1].type;
+ }
+ }
+ else {
+ elprintf(EL_STATUS, "unhandled track type: \"%s\"", buff2);
+ }
+ }
+ else if (BEGINS(buff, "INDEX "))
+ {
+ int m, s, f;
+ // type
+ ret = get_token(buff+6, buff2, sizeof(buff2));
+ if (atoi(buff2) == 0) continue;
+ if (atoi(buff2) != 1) {
+ elprintf(EL_STATUS, "cue: don't know how to handle: \"%s\"", buff);
+ count--; break;
+ }
+ // offset in file
+ get_token(buff+6+ret, buff2, sizeof(buff2));
+ ret = sscanf(buff2, "%d:%d:%d", &m, &s, &f);
+ if (ret != 3) {
+ elprintf(EL_STATUS, "cue: failed to parse: \"%s\"", buff);
+ count--; break;
+ }
+ data->tracks[count].sector_offset = m*60*75 + s*75 + f;
+ // some strange .cues may need this
+ if (data->tracks[count].fname != NULL && strcmp(data->tracks[count].fname, current_file) != 0)
+ {
+ free(data->tracks[count].fname);
+ data->tracks[count].fname = strdup(current_file);
+ }
+ if (data->tracks[count].fname == NULL && strcmp(data->tracks[1].fname, current_file) != 0)
+ {
+ data->tracks[count].fname = strdup(current_file);
+ }
+ }
+ else if (BEGINS(buff, "PREGAP ") || BEGINS(buff, "POSTGAP "))
+ {
+ int m, s, f;
+ get_token(buff+7, buff2, sizeof(buff2));
+ ret = sscanf(buff2, "%d:%d:%d", &m, &s, &f);
+ if (ret != 3) {
+ elprintf(EL_STATUS, "cue: failed to parse: \"%s\"", buff);
+ continue;
+ }
+ // pregap overrides previous postgap?
+ // by looking at some .cues produced by some programs I've decided that..
+ if (BEGINS(buff, "PREGAP "))
+ data->tracks[count].pregap = m*60*75 + s*75 + f;
+ else
+ pending_pregap = m*60*75 + s*75 + f;
+ }
+ else if (BEGINS(buff, "REM LENGTH ")) // custom "extension"
+ {
+ int m, s, f;
+ get_token(buff+11, buff2, sizeof(buff2));
+ ret = sscanf(buff2, "%d:%d:%d", &m, &s, &f);
+ if (ret != 3) continue;
+ data->tracks[count].sector_xlength = m*60*75 + s*75 + f;
+ }
+ else if (BEGINS(buff, "REM"))
+ continue;
+ else
+ {
+ elprintf(EL_STATUS, "cue: unhandled line: \"%s\"", buff);
+ }
+ }
+
+ if (count < 1 || data->tracks[1].fname == NULL) {
+ // failed..
+ for (; count > 0; count--)
+ if (data->tracks[count].fname != NULL)
+ free(data->tracks[count].fname);
+ free(data);
+ return NULL;
+ }
+
+ data->track_count = count;
+ return data;
+}
+
+
+void cue_destroy(cue_data_t *data)
+{
+ int c;
+
+ if (data == NULL) return;
+
+ for (c = data->track_count; c > 0; c--)
+ if (data->tracks[c].fname != NULL)
+ free(data->tracks[c].fname);
+ free(data);
+}
+
+
+#if 0
+int main(int argc, char *argv[])
+{
+ cue_data_t *data = cue_parse(argv[1]);
+ int c;
+
+ if (data == NULL) return 1;
+
+ for (c = 1; c <= data->track_count; c++)
+ printf("%2i: %i %9i %02i:%02i:%02i %9i %s\n", c, data->tracks[c].type, data->tracks[c].sector_offset,
+ data->tracks[c].sector_offset / (75*60), data->tracks[c].sector_offset / 75 % 60,
+ data->tracks[c].sector_offset % 75, data->tracks[c].pregap, data->tracks[c].fname);
+
+ cue_destroy(data);
+
+ return 0;
+}
+#endif
+
notaz.gp2x.de / picodrive.git / blobdiff