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authorlonkaars <l.leblansch@gmail.com>2021-06-06 21:55:22 +0200
committerlonkaars <l.leblansch@gmail.com>2021-06-06 21:55:22 +0200
commitff2f0b6268f48e5041e420c937af3edf740ba872 (patch)
tree54ced241dcb1ea64ef47bb1559322abd70e646cd
parentbd7d8e4354ce1d92446cfc32bc9b5d0aee0f546f (diff)
playlist copy/base path and extension change working
-rw-r--r--musicopy.c100
1 files changed, 86 insertions, 14 deletions
diff --git a/musicopy.c b/musicopy.c
index eaf699e..5706e5f 100644
--- a/musicopy.c
+++ b/musicopy.c
@@ -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;
}