diff options
Diffstat (limited to 'musicopy.c')
| -rw-r--r-- | musicopy.c | 100 |
1 files changed, 86 insertions, 14 deletions
@@ -25,6 +25,10 @@ int buffer_size = 4096; char* config_section = "default"; bool dry_run = false; +char* playlist_prefix; +char* target_playlist_prefix; +char* change_playlist_extension; + const char *argp_program_version = "0.1.0"; const char *argp_program_bug_address = "https://github.com/lonkaars/musicopy/"; static char doc[] = "a simple utility that copies music and playlists"; @@ -65,6 +69,16 @@ void mkpath(char* file_path, mode_t mode) { } } +void create_folder_for_file(char* file_path) { + if(dry_run) return; + + size_t destfolder_size; + cwk_path_get_dirname(file_path, &destfolder_size); + char* destfolder = (char*) malloc(destfolder_size); + destfolder = strncpy(destfolder, file_path, destfolder_size); + mkpath(destfolder, 0775); +} + void cp(char* source_path, char* dest_path) { if(dry_run) return; @@ -96,6 +110,13 @@ char* substr(const char* src, int from) { return substr; } +// https://stackoverflow.com/questions/4770985/how-to-check-if-a-string-starts-with-another-string-in-c +bool starts_with(const char *pre, const char *str) { + size_t lenpre = strlen(pre), + lenstr = strlen(str); + return lenstr < lenpre ? false : memcmp(pre, str, lenpre) == 0; +} + void append(char*** dest, int* length, char* add) { (*length)++; size_t new_size = *length * sizeof(char*); @@ -108,16 +129,23 @@ void append(char*** dest, int* length, char* add) { *dest = temp; } -static int handler(void* user, const char* section, const char* name, const char* value) { +static int ini_callback(void* user, const char* section, const char* name, const char* value) { if (strcmp(section, config_section) != 0) return 1; - if (0 == strcmp(name, "music_dir")) music_dir = strdup(value); - else if (0 == strcmp(name, "playlist_dir")) playlist_dir = strdup(value); + if (0 == strcmp(name, "music_dir")) music_dir = strdup(value); + else if (0 == strcmp(name, "playlist_dir")) playlist_dir = strdup(value); + else if (0 == strcmp(name, "target_music_dir")) target_music_dir = strdup(value); else if (0 == strcmp(name, "target_playlist_dir")) target_playlist_dir = strdup(value); - else if (0 == strcmp(name, "existing")) existing = strdup(value); - else if (0 == strcmp(name, "include")) append(&include, &include_length, strdup(value)); - else if (0 == strcmp(name, "exclude")) append(&exclude, &exclude_length, strdup(value)); + + else if (0 == strcmp(name, "existing")) existing = strdup(value); + + else if (0 == strcmp(name, "include")) append(&include, &include_length, strdup(value)); + else if (0 == strcmp(name, "exclude")) append(&exclude, &exclude_length, strdup(value)); + + else if (0 == strcmp(name, "playlist_prefix")) playlist_prefix = strdup(value); + else if (0 == strcmp(name, "target_playlist_prefix")) target_playlist_prefix = strdup(value); + else if (0 == strcmp(name, "change_playlist_extension")) change_playlist_extension = strdup(value); return 1; } @@ -144,7 +172,7 @@ void load_config() { target_music_dir = strdup(""); target_playlist_dir = strdup(""); - if (ini_parse(config_path, handler, NULL) < 0) exit_err("Can't load configuration file!"); + if (ini_parse(config_path, ini_callback, NULL) < 0) exit_err("Can't load configuration file!"); } void expandpath(char** path) { @@ -205,12 +233,8 @@ void copy(const char* fullpath) { char* basepath = substr(fullpath, baselen); char* destpath = join_path(target_music_dir, basepath); - size_t destfolder_size; - cwk_path_get_dirname(destpath, &destfolder_size); - char* destfolder = (char*) malloc(destfolder_size); - destfolder = strncpy(destfolder, destpath, destfolder_size); + create_folder_for_file(destpath); - mkpath(destfolder, 0775); char* sourcepath = strdup(fullpath); bool copy = true; @@ -223,7 +247,7 @@ void copy(const char* fullpath) { free(sourcepath); } -int dir_callback(const char* path, const struct stat *sb, int tflag) { +int music_dir_callback(const char* path, const struct stat *sb, int tflag) { if(tflag != FTW_F) return 0; if (include_length > 0) { @@ -244,6 +268,53 @@ int dir_callback(const char* path, const struct stat *sb, int tflag) { return 0; } +int playlist_dir_callback(const char* path, const struct stat *sb, int tflag) { + if(tflag != FTW_F) return 0; + + FILE *source_playlist = fopen(path, "r"); + + fseek(source_playlist, 0, SEEK_END); + long max_length = ftell(source_playlist) / sizeof(char) + 1; + fseek(source_playlist, 0, SEEK_SET); + + char* line = (char*) malloc(max_length * sizeof(char)); + + // change base path to target_playlist_dir + int baselen = strlen(playlist_dir); + char* basepath = substr(path, baselen); + char* destpath = join_path(target_playlist_dir, basepath); + create_folder_for_file(destpath); + + // change file extension + if(change_playlist_extension != NULL) { + size_t new_path_size = ((strlen(destpath) + strlen(change_playlist_extension) + 4) * sizeof(char)); + char* new_path = (char*) malloc(new_path_size); + cwk_path_change_extension(destpath, change_playlist_extension, new_path, new_path_size); + + free(destpath); + destpath = new_path; + } + + FILE *dest_playlist = fopen(destpath, "w"); + + int prefix_len = strlen(playlist_prefix); + while (fgets(line, max_length, source_playlist) != NULL) { + char* original_line = (char*) malloc((strlen(line) + 1) * sizeof(char)); + strcpy(original_line, line); + + if (starts_with(playlist_prefix, line)) + sprintf(line, "%s%s", target_playlist_prefix, &original_line[prefix_len]); + + free(original_line); + fputs(line, dest_playlist); + } + + fclose(source_playlist); + fclose(dest_playlist); + + return 0; +} + int main(int argc, char* argv[]) { argp_parse(&argp, argc, argv, 0, 0, NULL); @@ -258,7 +329,8 @@ int main(int argc, char* argv[]) { fix_include_exclude(&include, include_length); fix_include_exclude(&exclude, exclude_length); - ftw(music_dir, dir_callback, 0); + // ftw(music_dir, music_dir_callback, 0); + ftw(playlist_dir, playlist_dir_callback, 0); return 0; } |