/* RetroArch - A frontend for libretro. * Copyright (C) 2010-2014 - Hans-Kristian Arntzen * Copyright (C) 2011-2017 - Daniel De Matteis * Copyright (C) 2016-2019 - Brad Parker * * RetroArch is free software: you can redistribute it and/or modify it under the terms * of the GNU General Public License as published by the Free Software Found- * ation, either version 3 of the License, or (at your option) any later version. * * RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with RetroArch. * If not, see . */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "playlist.h" #include "verbosity.h" #include "configuration.h" #include "file_path_special.h" #ifndef PLAYLIST_ENTRIES #define PLAYLIST_ENTRIES 6 #endif struct content_playlist { bool modified; size_t size; size_t cap; char *conf_path; struct playlist_entry *entries; }; typedef struct { JSON_Parser parser; JSON_Writer writer; RFILE *file; playlist_t *playlist; struct playlist_entry *current_entry; unsigned array_depth; unsigned object_depth; char **current_entry_val; int *current_entry_int_val; unsigned *current_entry_uint_val; struct string_list **current_entry_string_list_val; char *current_meta_string; char *current_items_string; bool in_items; bool in_subsystem_roms; } JSONContext; static playlist_t *playlist_cached = NULL; typedef int (playlist_sort_fun_t)( const struct playlist_entry *a, const struct playlist_entry *b); uint32_t playlist_get_size(playlist_t *playlist) { if (!playlist) return 0; return (uint32_t)playlist->size; } char *playlist_get_conf_path(playlist_t *playlist) { if (!playlist) return NULL; return playlist->conf_path; } /** * playlist_get_index: * @playlist : Playlist handle. * @idx : Index of playlist entry. * @path : Path of playlist entry. * @core_path : Core path of playlist entry. * @core_name : Core name of playlist entry. * * Gets values of playlist index: **/ void playlist_get_index(playlist_t *playlist, size_t idx, const struct playlist_entry **entry) { if (!playlist || !entry) return; *entry = &playlist->entries[idx]; } void playlist_get_runtime_index(playlist_t *playlist, size_t idx, const char **path, const char **core_path, unsigned *runtime_hours, unsigned *runtime_minutes, unsigned *runtime_seconds, unsigned *last_played_year, unsigned *last_played_month, unsigned *last_played_day, unsigned *last_played_hour, unsigned *last_played_minute, unsigned *last_played_second) { if (!playlist) return; if (path) *path = playlist->entries[idx].path; if (core_path) *core_path = playlist->entries[idx].core_path; if (runtime_hours) *runtime_hours = playlist->entries[idx].runtime_hours; if (runtime_minutes) *runtime_minutes = playlist->entries[idx].runtime_minutes; if (runtime_seconds) *runtime_seconds = playlist->entries[idx].runtime_seconds; if (last_played_year) *last_played_year = playlist->entries[idx].last_played_year; if (last_played_month) *last_played_month = playlist->entries[idx].last_played_month; if (last_played_day) *last_played_day = playlist->entries[idx].last_played_day; if (last_played_hour) *last_played_hour = playlist->entries[idx].last_played_hour; if (last_played_minute) *last_played_minute = playlist->entries[idx].last_played_minute; if (last_played_second) *last_played_second = playlist->entries[idx].last_played_second; } /** * playlist_delete_index: * @playlist : Playlist handle. * @idx : Index of playlist entry. * * Delete the entry at the index: **/ void playlist_delete_index(playlist_t *playlist, size_t idx) { if (!playlist) return; playlist->size = playlist->size - 1; memmove(playlist->entries + idx, playlist->entries + idx + 1, (playlist->size - idx) * sizeof(struct playlist_entry)); playlist->modified = true; } void playlist_get_index_by_path(playlist_t *playlist, const char *search_path, const struct playlist_entry **entry) { size_t i; if (!playlist || !entry) return; for (i = 0; i < playlist->size; i++) { if (!string_is_equal(playlist->entries[i].path, search_path)) continue; *entry = &playlist->entries[i]; break; } } bool playlist_entry_exists(playlist_t *playlist, const char *path, const char *crc32) { size_t i; if (!playlist) return false; for (i = 0; i < playlist->size; i++) if (string_is_equal(playlist->entries[i].path, path)) return true; return false; } /** * playlist_free_entry: * @entry : Playlist entry handle. * * Frees playlist entry. **/ static void playlist_free_entry(struct playlist_entry *entry) { if (!entry) return; if (entry->path != NULL) free(entry->path); if (entry->label != NULL) free(entry->label); if (entry->core_path != NULL) free(entry->core_path); if (entry->core_name != NULL) free(entry->core_name); if (entry->db_name != NULL) free(entry->db_name); if (entry->crc32 != NULL) free(entry->crc32); if (entry->subsystem_ident != NULL) free(entry->subsystem_ident); if (entry->subsystem_name != NULL) free(entry->subsystem_name); if (entry->subsystem_roms != NULL) string_list_free(entry->subsystem_roms); entry->path = NULL; entry->label = NULL; entry->core_path = NULL; entry->core_name = NULL; entry->db_name = NULL; entry->crc32 = NULL; entry->subsystem_ident = NULL; entry->subsystem_name = NULL; entry->subsystem_roms = NULL; entry->runtime_hours = 0; entry->runtime_minutes = 0; entry->runtime_seconds = 0; entry->last_played_year = 0; entry->last_played_month = 0; entry->last_played_day = 0; entry->last_played_hour = 0; entry->last_played_minute = 0; entry->last_played_second = 0; } void playlist_update(playlist_t *playlist, size_t idx, const struct playlist_entry *update_entry) { struct playlist_entry *entry = NULL; if (!playlist || idx > playlist->size) return; entry = &playlist->entries[idx]; if (update_entry->path && (update_entry->path != entry->path)) { if (entry->path != NULL) free(entry->path); entry->path = strdup(update_entry->path); playlist->modified = true; } if (update_entry->label && (update_entry->label != entry->label)) { if (entry->label != NULL) free(entry->label); entry->label = strdup(update_entry->label); playlist->modified = true; } if (update_entry->core_path && (update_entry->core_path != entry->core_path)) { if (entry->core_path != NULL) free(entry->core_path); entry->core_path = NULL; entry->core_path = strdup(update_entry->core_path); playlist->modified = true; } if (update_entry->core_name && (update_entry->core_name != entry->core_name)) { if (entry->core_name != NULL) free(entry->core_name); entry->core_name = strdup(update_entry->core_name); playlist->modified = true; } if (update_entry->db_name && (update_entry->db_name != entry->db_name)) { if (entry->db_name != NULL) free(entry->db_name); entry->db_name = strdup(update_entry->db_name); playlist->modified = true; } if (update_entry->crc32 && (update_entry->crc32 != entry->crc32)) { if (entry->crc32 != NULL) free(entry->crc32); entry->crc32 = strdup(update_entry->crc32); playlist->modified = true; } } void playlist_update_runtime(playlist_t *playlist, size_t idx, const char *path, const char *core_path, unsigned runtime_hours, unsigned runtime_minutes, unsigned runtime_seconds, unsigned last_played_year, unsigned last_played_month, unsigned last_played_day, unsigned last_played_hour, unsigned last_played_minute, unsigned last_played_second, bool register_update) { struct playlist_entry *entry = NULL; if (!playlist || idx > playlist->size) return; entry = &playlist->entries[idx]; if (path && (path != entry->path)) { if (entry->path != NULL) free(entry->path); entry->path = strdup(path); playlist->modified = playlist->modified || register_update; } if (core_path && (core_path != entry->core_path)) { if (entry->core_path != NULL) free(entry->core_path); entry->core_path = NULL; entry->core_path = strdup(core_path); playlist->modified = playlist->modified || register_update; } if (runtime_hours != entry->runtime_hours) { entry->runtime_hours = runtime_hours; playlist->modified = playlist->modified || register_update; } if (runtime_minutes != entry->runtime_minutes) { entry->runtime_minutes = runtime_minutes; playlist->modified = playlist->modified || register_update; } if (runtime_seconds != entry->runtime_seconds) { entry->runtime_seconds = runtime_seconds; playlist->modified = playlist->modified || register_update; } if (last_played_year != entry->last_played_year) { entry->last_played_year = last_played_year; playlist->modified = playlist->modified || register_update; } if (last_played_month != entry->last_played_month) { entry->last_played_month = last_played_month; playlist->modified = playlist->modified || register_update; } if (last_played_day != entry->last_played_day) { entry->last_played_day = last_played_day; playlist->modified = playlist->modified || register_update; } if (last_played_hour != entry->last_played_hour) { entry->last_played_hour = last_played_hour; playlist->modified = playlist->modified || register_update; } if (last_played_minute != entry->last_played_minute) { entry->last_played_minute = last_played_minute; playlist->modified = playlist->modified || register_update; } if (last_played_second != entry->last_played_second) { entry->last_played_second = last_played_second; playlist->modified = playlist->modified || register_update; } } bool playlist_push_runtime(playlist_t *playlist, const char *path, const char *core_path, unsigned runtime_hours, unsigned runtime_minutes, unsigned runtime_seconds, unsigned last_played_year, unsigned last_played_month, unsigned last_played_day, unsigned last_played_hour, unsigned last_played_minute, unsigned last_played_second) { size_t i; bool core_path_empty = string_is_empty(core_path); if (core_path_empty) { RARCH_ERR("cannot push NULL or empty core name into the playlist.\n"); return false; } if (string_is_empty(path)) path = NULL; if (!playlist) return false; for (i = 0; i < playlist->size; i++) { struct playlist_entry tmp; bool equal_path; equal_path = (!path && !playlist->entries[i].path) || (path && playlist->entries[i].path && #ifdef _WIN32 /*prevent duplicates on case-insensitive operating systems*/ string_is_equal_noncase(path,playlist->entries[i].path) #else string_is_equal(path,playlist->entries[i].path) #endif ); /* Core name can have changed while still being the same core. * Differentiate based on the core path only. */ if (!equal_path) continue; if (!string_is_equal(playlist->entries[i].core_path, core_path)) continue; /* If top entry, we don't want to push a new entry since * the top and the entry to be pushed are the same. */ if (i == 0) return false; /* Seen it before, bump to top. */ tmp = playlist->entries[i]; memmove(playlist->entries + 1, playlist->entries, i * sizeof(struct playlist_entry)); playlist->entries[0] = tmp; goto success; } if (playlist->size == playlist->cap) { struct playlist_entry *entry = &playlist->entries[playlist->cap - 1]; if (entry) playlist_free_entry(entry); playlist->size--; } if (playlist->entries) { memmove(playlist->entries + 1, playlist->entries, (playlist->cap - 1) * sizeof(struct playlist_entry)); playlist->entries[0].path = NULL; playlist->entries[0].core_path = NULL; if (!string_is_empty(path)) playlist->entries[0].path = strdup(path); if (!string_is_empty(core_path)) playlist->entries[0].core_path = strdup(core_path); playlist->entries[0].runtime_hours = runtime_hours; playlist->entries[0].runtime_minutes = runtime_minutes; playlist->entries[0].runtime_seconds = runtime_seconds; playlist->entries[0].last_played_year = last_played_year; playlist->entries[0].last_played_month = last_played_month; playlist->entries[0].last_played_day = last_played_day; playlist->entries[0].last_played_hour = last_played_hour; playlist->entries[0].last_played_minute = last_played_minute; playlist->entries[0].last_played_second = last_played_second; } playlist->size++; success: playlist->modified = true; return true; } /** * playlist_push: * @playlist : Playlist handle. * * Push entry to top of playlist. **/ bool playlist_push(playlist_t *playlist, const struct playlist_entry *entry) { size_t i; bool core_path_empty = string_is_empty(entry->core_path); bool core_name_empty = string_is_empty(entry->core_name); const char *core_name = entry->core_name; const char *path = entry->path; if (core_path_empty || core_name_empty) { if (core_name_empty && !core_path_empty) { static char base_path[255] = {0}; fill_pathname_base_noext(base_path, entry->core_path, sizeof(base_path)); core_name = base_path; } if (core_path_empty || core_name_empty) { RARCH_ERR("cannot push NULL or empty core name into the playlist.\n"); return false; } } if (string_is_empty(path)) path = NULL; if (!playlist) return false; for (i = 0; i < playlist->size; i++) { struct playlist_entry tmp; bool equal_path; equal_path = (!path && !playlist->entries[i].path) || (path && playlist->entries[i].path && #ifdef _WIN32 /*prevent duplicates on case-insensitive operating systems*/ string_is_equal_noncase(path, playlist->entries[i].path) #else string_is_equal(path, playlist->entries[i].path) #endif ); /* Core name can have changed while still being the same core. * Differentiate based on the core path only. */ if (!equal_path) continue; if (!string_is_equal(playlist->entries[i].core_path, entry->core_path)) continue; if ( !string_is_empty(entry->subsystem_ident) && !string_is_empty(playlist->entries[i].subsystem_ident) && !string_is_equal(playlist->entries[i].subsystem_ident, entry->subsystem_ident)) continue; if ( string_is_empty(entry->subsystem_ident) && !string_is_empty(playlist->entries[i].subsystem_ident)) continue; if ( !string_is_empty(entry->subsystem_ident) && string_is_empty(playlist->entries[i].subsystem_ident)) continue; if ( !string_is_empty(entry->subsystem_name) && !string_is_empty(playlist->entries[i].subsystem_name) && !string_is_equal(playlist->entries[i].subsystem_name, entry->subsystem_name)) continue; if ( string_is_empty(entry->subsystem_name) && !string_is_empty(playlist->entries[i].subsystem_name)) continue; if ( !string_is_empty(entry->subsystem_name) && string_is_empty(playlist->entries[i].subsystem_name)) continue; if (entry->subsystem_roms) { unsigned j; const struct string_list *roms = playlist->entries[i].subsystem_roms; bool unequal = false; if (entry->subsystem_roms->size != roms->size) continue; for (j = 0; j < entry->subsystem_roms->size; j++) { if (!string_is_equal(entry->subsystem_roms->elems[j].data, roms->elems[j].data)) { unequal = true; break; } } if (unequal) continue; } /* If top entry, we don't want to push a new entry since * the top and the entry to be pushed are the same. */ if (i == 0) return false; /* Seen it before, bump to top. */ tmp = playlist->entries[i]; memmove(playlist->entries + 1, playlist->entries, i * sizeof(struct playlist_entry)); playlist->entries[0] = tmp; goto success; } if (playlist->size == playlist->cap) { struct playlist_entry *entry = &playlist->entries[playlist->cap - 1]; if (entry) playlist_free_entry(entry); playlist->size--; } if (playlist->entries) { memmove(playlist->entries + 1, playlist->entries, (playlist->cap - 1) * sizeof(struct playlist_entry)); playlist->entries[0].path = NULL; playlist->entries[0].label = NULL; playlist->entries[0].core_path = NULL; playlist->entries[0].core_name = NULL; playlist->entries[0].db_name = NULL; playlist->entries[0].crc32 = NULL; playlist->entries[0].subsystem_ident = NULL; playlist->entries[0].subsystem_name = NULL; playlist->entries[0].subsystem_roms = NULL; playlist->entries[0].runtime_hours = 0; playlist->entries[0].runtime_minutes = 0; playlist->entries[0].runtime_seconds = 0; playlist->entries[0].last_played_year = 0; playlist->entries[0].last_played_month = 0; playlist->entries[0].last_played_day = 0; playlist->entries[0].last_played_hour = 0; playlist->entries[0].last_played_minute = 0; playlist->entries[0].last_played_second = 0; if (!string_is_empty(entry->path)) playlist->entries[0].path = strdup(entry->path); if (!string_is_empty(entry->label)) playlist->entries[0].label = strdup(entry->label); if (!string_is_empty(entry->core_path)) playlist->entries[0].core_path = strdup(entry->core_path); if (!string_is_empty(core_name)) playlist->entries[0].core_name = strdup(core_name); if (!string_is_empty(entry->db_name)) playlist->entries[0].db_name = strdup(entry->db_name); if (!string_is_empty(entry->crc32)) playlist->entries[0].crc32 = strdup(entry->crc32); if (!string_is_empty(entry->subsystem_ident)) playlist->entries[0].subsystem_ident = strdup(entry->subsystem_ident); if (!string_is_empty(entry->subsystem_name)) playlist->entries[0].subsystem_name = strdup(entry->subsystem_name); if (entry->subsystem_roms) { union string_list_elem_attr attributes = {0}; playlist->entries[0].subsystem_roms = string_list_new(); for (i = 0; i < entry->subsystem_roms->size; i++) string_list_append(playlist->entries[0].subsystem_roms, entry->subsystem_roms->elems[i].data, attributes); } } playlist->size++; success: playlist->modified = true; return true; } static JSON_Writer_HandlerResult JSONOutputHandler(JSON_Writer writer, const char *pBytes, size_t length) { JSONContext *context = (JSONContext*)JSON_Writer_GetUserData(writer); (void)writer; /* unused */ return filestream_write(context->file, pBytes, length) == length ? JSON_Writer_Continue : JSON_Writer_Abort; } static void JSONLogError(JSONContext *pCtx) { if (pCtx->parser && JSON_Parser_GetError(pCtx->parser) != JSON_Error_AbortedByHandler) { JSON_Error error = JSON_Parser_GetError(pCtx->parser); JSON_Location errorLocation = { 0, 0, 0 }; (void)JSON_Parser_GetErrorLocation(pCtx->parser, &errorLocation); RARCH_WARN("Error: Invalid JSON at line %d, column %d (input byte %d) - %s.\n", (int)errorLocation.line + 1, (int)errorLocation.column + 1, (int)errorLocation.byte, JSON_ErrorString(error)); } else if (pCtx->writer && JSON_Writer_GetError(pCtx->writer) != JSON_Error_AbortedByHandler) { RARCH_WARN("Error: could not write output - %s.\n", JSON_ErrorString(JSON_Writer_GetError(pCtx->writer))); } } void playlist_write_runtime_file(playlist_t *playlist) { size_t i; RFILE *file = NULL; JSONContext context = {0}; if (!playlist || !playlist->modified) return; file = filestream_open(playlist->conf_path, RETRO_VFS_FILE_ACCESS_WRITE, RETRO_VFS_FILE_ACCESS_HINT_NONE); if (!file) { RARCH_ERR("Failed to write to playlist file: %s\n", playlist->conf_path); return; } context.writer = JSON_Writer_Create(NULL); context.file = file; if (!context.writer) { RARCH_ERR("Failed to create JSON writer\n"); goto end; } JSON_Writer_SetOutputEncoding(context.writer, JSON_UTF8); JSON_Writer_SetOutputHandler(context.writer, &JSONOutputHandler); JSON_Writer_SetUserData(context.writer, &context); JSON_Writer_WriteStartObject(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 2); JSON_Writer_WriteString(context.writer, "version", strlen("version"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteString(context.writer, "1.0", strlen("1.0"), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 2); JSON_Writer_WriteString(context.writer, "items", strlen("items"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteStartArray(context.writer); JSON_Writer_WriteNewLine(context.writer); for (i = 0; i < playlist->size; i++) { JSON_Writer_WriteSpace(context.writer, 4); JSON_Writer_WriteStartObject(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "path", strlen("path"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteString(context.writer, playlist->entries[i].path ? playlist->entries[i].path : "", playlist->entries[i].path ? strlen(playlist->entries[i].path) : 0, JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "core_path", strlen("core_path"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteString(context.writer, playlist->entries[i].core_path, strlen(playlist->entries[i].core_path), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); { char tmp[32] = {0}; snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].runtime_hours); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "runtime_hours", strlen("runtime_hours"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); memset(tmp, 0, sizeof(tmp)); snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].runtime_minutes); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "runtime_minutes", strlen("runtime_minutes"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); memset(tmp, 0, sizeof(tmp)); snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].runtime_seconds); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "runtime_seconds", strlen("runtime_seconds"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); memset(tmp, 0, sizeof(tmp)); snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].last_played_year); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "last_played_year", strlen("last_played_year"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); memset(tmp, 0, sizeof(tmp)); snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].last_played_month); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "last_played_month", strlen("last_played_month"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); memset(tmp, 0, sizeof(tmp)); snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].last_played_day); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "last_played_day", strlen("last_played_day"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); memset(tmp, 0, sizeof(tmp)); snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].last_played_hour); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "last_played_hour", strlen("last_played_hour"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); memset(tmp, 0, sizeof(tmp)); snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].last_played_minute); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "last_played_minute", strlen("last_played_minute"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); memset(tmp, 0, sizeof(tmp)); snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].last_played_second); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "last_played_second", strlen("last_played_second"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8); JSON_Writer_WriteNewLine(context.writer); } JSON_Writer_WriteSpace(context.writer, 4); JSON_Writer_WriteEndObject(context.writer); if (i < playlist->size - 1) JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); } JSON_Writer_WriteSpace(context.writer, 2); JSON_Writer_WriteEndArray(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteEndObject(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_Free(context.writer); playlist->modified = false; RARCH_LOG("Written to playlist file: %s\n", playlist->conf_path); end: filestream_close(file); } void playlist_write_file(playlist_t *playlist) { size_t i; RFILE *file = NULL; settings_t *settings = config_get_ptr(); if (!playlist || !playlist->modified) return; file = filestream_open(playlist->conf_path, RETRO_VFS_FILE_ACCESS_WRITE, RETRO_VFS_FILE_ACCESS_HINT_NONE); if (!file) { RARCH_ERR("Failed to write to playlist file: %s\n", playlist->conf_path); return; } if (settings->bools.playlist_use_old_format) { for (i = 0; i < playlist->size; i++) filestream_printf(file, "%s\n%s\n%s\n%s\n%s\n%s\n", playlist->entries[i].path ? playlist->entries[i].path : "", playlist->entries[i].label ? playlist->entries[i].label : "", playlist->entries[i].core_path, playlist->entries[i].core_name, playlist->entries[i].crc32 ? playlist->entries[i].crc32 : "", playlist->entries[i].db_name ? playlist->entries[i].db_name : "" ); } else { JSONContext context = {0}; context.writer = JSON_Writer_Create(NULL); context.file = file; if (!context.writer) { RARCH_ERR("Failed to create JSON writer\n"); goto end; } JSON_Writer_SetOutputEncoding(context.writer, JSON_UTF8); JSON_Writer_SetOutputHandler(context.writer, &JSONOutputHandler); JSON_Writer_SetUserData(context.writer, &context); JSON_Writer_WriteStartObject(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 2); JSON_Writer_WriteString(context.writer, "version", strlen("version"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteString(context.writer, "1.0", strlen("1.0"), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 2); JSON_Writer_WriteString(context.writer, "items", strlen("items"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteStartArray(context.writer); JSON_Writer_WriteNewLine(context.writer); for (i = 0; i < playlist->size; i++) { JSON_Writer_WriteSpace(context.writer, 4); JSON_Writer_WriteStartObject(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "path", strlen("path"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteString(context.writer, playlist->entries[i].path ? playlist->entries[i].path : "", playlist->entries[i].path ? strlen(playlist->entries[i].path) : 0, JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "label", strlen("label"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteString(context.writer, playlist->entries[i].label ? playlist->entries[i].label : "", playlist->entries[i].label ? strlen(playlist->entries[i].label) : 0, JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "core_path", strlen("core_path"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteString(context.writer, playlist->entries[i].core_path, strlen(playlist->entries[i].core_path), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "core_name", strlen("core_name"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteString(context.writer, playlist->entries[i].core_name, strlen(playlist->entries[i].core_name), JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "crc32", strlen("crc32"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteString(context.writer, playlist->entries[i].crc32 ? playlist->entries[i].crc32 : "", playlist->entries[i].crc32 ? strlen(playlist->entries[i].crc32) : 0, JSON_UTF8); JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "db_name", strlen("db_name"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteString(context.writer, playlist->entries[i].db_name ? playlist->entries[i].db_name : "", playlist->entries[i].db_name ? strlen(playlist->entries[i].db_name) : 0, JSON_UTF8); if (!string_is_empty(playlist->entries[i].subsystem_ident)) { JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "subsystem_ident", strlen("subsystem_ident"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteString(context.writer, playlist->entries[i].subsystem_ident ? playlist->entries[i].subsystem_ident : "", playlist->entries[i].subsystem_ident ? strlen(playlist->entries[i].subsystem_ident) : 0, JSON_UTF8); } if (!string_is_empty(playlist->entries[i].subsystem_name)) { JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "subsystem_name", strlen("subsystem_name"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteString(context.writer, playlist->entries[i].subsystem_name ? playlist->entries[i].subsystem_name : "", playlist->entries[i].subsystem_name ? strlen(playlist->entries[i].subsystem_name) : 0, JSON_UTF8); } if (playlist->entries[i].subsystem_roms && playlist->entries[i].subsystem_roms->size > 0) { unsigned j; JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteString(context.writer, "subsystem_roms", strlen("subsystem_roms"), JSON_UTF8); JSON_Writer_WriteColon(context.writer); JSON_Writer_WriteSpace(context.writer, 1); JSON_Writer_WriteStartArray(context.writer); JSON_Writer_WriteNewLine(context.writer); for (j = 0; j < playlist->entries[i].subsystem_roms->size; j++) { const struct string_list *roms = playlist->entries[i].subsystem_roms; JSON_Writer_WriteSpace(context.writer, 8); JSON_Writer_WriteString(context.writer, !string_is_empty(roms->elems[j].data) ? roms->elems[j].data : "", !string_is_empty(roms->elems[j].data) ? strlen(roms->elems[j].data) : 0, JSON_UTF8); if (j < playlist->entries[i].subsystem_roms->size - 1) { JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); } } JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 6); JSON_Writer_WriteEndArray(context.writer); } JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteSpace(context.writer, 4); JSON_Writer_WriteEndObject(context.writer); if (i < playlist->size - 1) JSON_Writer_WriteComma(context.writer); JSON_Writer_WriteNewLine(context.writer); } JSON_Writer_WriteSpace(context.writer, 2); JSON_Writer_WriteEndArray(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_WriteEndObject(context.writer); JSON_Writer_WriteNewLine(context.writer); JSON_Writer_Free(context.writer); } playlist->modified = false; RARCH_LOG("Written to playlist file: %s\n", playlist->conf_path); end: filestream_close(file); } /** * playlist_free: * @playlist : Playlist handle. * * Frees playlist handle. */ void playlist_free(playlist_t *playlist) { size_t i; if (!playlist) return; if (playlist->conf_path != NULL) free(playlist->conf_path); playlist->conf_path = NULL; for (i = 0; i < playlist->size; i++) { struct playlist_entry *entry = &playlist->entries[i]; if (entry) playlist_free_entry(entry); } free(playlist->entries); playlist->entries = NULL; free(playlist); } /** * playlist_clear: * @playlist : Playlist handle. * * Clears all playlist entries in playlist. **/ void playlist_clear(playlist_t *playlist) { size_t i; if (!playlist) return; for (i = 0; i < playlist->size; i++) { struct playlist_entry *entry = &playlist->entries[i]; if (entry) playlist_free_entry(entry); } playlist->size = 0; } /** * playlist_size: * @playlist : Playlist handle. * * Gets size of playlist. * Returns: size of playlist. **/ size_t playlist_size(playlist_t *playlist) { if (!playlist) return 0; return playlist->size; } static JSON_Parser_HandlerResult JSONStartArrayHandler(JSON_Parser parser) { JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser); pCtx->array_depth++; if (pCtx->object_depth == 1) { if (string_is_equal(pCtx->current_meta_string, "items") && pCtx->array_depth == 1) pCtx->in_items = true; } else if (pCtx->object_depth == 2) { if (pCtx->array_depth == 2) if (string_is_equal(pCtx->current_items_string, "subsystem_roms")) pCtx->in_subsystem_roms = true; } return JSON_Parser_Continue; } static JSON_Parser_HandlerResult JSONEndArrayHandler(JSON_Parser parser) { JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser); retro_assert(pCtx->array_depth > 0); pCtx->array_depth--; if (pCtx->object_depth == 1) { if (pCtx->in_items && string_is_equal(pCtx->current_meta_string, "items") && pCtx->array_depth == 0) { free(pCtx->current_meta_string); pCtx->current_meta_string = NULL; pCtx->in_items = false; if (pCtx->current_items_string) { free(pCtx->current_items_string); pCtx->current_items_string = NULL; } } } else if (pCtx->object_depth == 2) { if (pCtx->in_subsystem_roms && string_is_equal(pCtx->current_items_string, "subsystem_roms") && pCtx->array_depth == 1) { pCtx->in_subsystem_roms = false; } } return JSON_Parser_Continue; } static JSON_Parser_HandlerResult JSONStartObjectHandler(JSON_Parser parser) { JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser); pCtx->object_depth++; if (pCtx->in_items && pCtx->object_depth == 2) { if (pCtx->array_depth == 1) { if (pCtx->playlist->size < pCtx->playlist->cap) pCtx->current_entry = &pCtx->playlist->entries[pCtx->playlist->size]; else /* hit max item limit */ return JSON_Parser_Abort; } } return JSON_Parser_Continue; } static JSON_Parser_HandlerResult JSONEndObjectHandler(JSON_Parser parser) { JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser); if (pCtx->in_items && pCtx->object_depth == 2) { if (pCtx->array_depth == 1) pCtx->playlist->size++; } retro_assert(pCtx->object_depth > 0); pCtx->object_depth--; return JSON_Parser_Continue; } static JSON_Parser_HandlerResult JSONStringHandler(JSON_Parser parser, char *pValue, size_t length, JSON_StringAttributes attributes) { JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser); (void)attributes; /* unused */ if (pCtx->in_items && pCtx->in_subsystem_roms && pCtx->object_depth == 2 && pCtx->array_depth == 2) { if (pCtx->current_entry_string_list_val && length && !string_is_empty(pValue)) { union string_list_elem_attr attr = {0}; if (!*pCtx->current_entry_string_list_val) *pCtx->current_entry_string_list_val = string_list_new(); string_list_append(*pCtx->current_entry_string_list_val, pValue, attr); } } else if (pCtx->in_items && pCtx->object_depth == 2) { if (pCtx->array_depth == 1) { if (pCtx->current_entry_val && length && !string_is_empty(pValue)) { if (*pCtx->current_entry_val) free(*pCtx->current_entry_val); *pCtx->current_entry_val = strdup(pValue); } else { /* must be a value for an unknown member we aren't tracking, skip it */ } } } else if (pCtx->object_depth == 1) { if (pCtx->array_depth == 0) { if (pCtx->current_meta_string && length && !string_is_empty(pValue)) { /* handle any top-level playlist metadata here */ /*RARCH_LOG("found meta: %s = %s\n", pCtx->current_meta_string, pValue);*/ free(pCtx->current_meta_string); pCtx->current_meta_string = NULL; } } } pCtx->current_entry_val = NULL; return JSON_Parser_Continue; } static JSON_Parser_HandlerResult JSONNumberHandler(JSON_Parser parser, char *pValue, size_t length, JSON_StringAttributes attributes) { JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser); (void)attributes; /* unused */ if (pCtx->in_items && pCtx->object_depth == 2) { if (pCtx->array_depth == 1) { if (pCtx->current_entry_int_val && length && !string_is_empty(pValue)) *pCtx->current_entry_int_val = (int)strtoul(pValue, NULL, 10); else if (pCtx->current_entry_uint_val && length && !string_is_empty(pValue)) *pCtx->current_entry_uint_val = (unsigned)strtoul(pValue, NULL, 10); else { /* must be a value for an unknown member we aren't tracking, skip it */ } } } else if (pCtx->object_depth == 1) { if (pCtx->array_depth == 0) { if (pCtx->current_meta_string && length && !string_is_empty(pValue)) { /* handle any top-level playlist metadata here */ /*RARCH_LOG("found meta: %s = %s\n", pCtx->current_meta_string, pValue);*/ free(pCtx->current_meta_string); pCtx->current_meta_string = NULL; } } } pCtx->current_entry_int_val = NULL; pCtx->current_entry_uint_val = NULL; return JSON_Parser_Continue; } static JSON_Parser_HandlerResult JSONObjectMemberHandler(JSON_Parser parser, char *pValue, size_t length, JSON_StringAttributes attributes) { JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser); (void)attributes; /* unused */ if (pCtx->in_items && pCtx->object_depth == 2) { if (pCtx->array_depth == 1) { if (pCtx->current_entry_val) { /* something went wrong */ RARCH_WARN("JSON parsing failed at line %d.\n", __LINE__); return JSON_Parser_Abort; } if (length) { if (!string_is_empty(pValue)) { if (!string_is_empty(pCtx->current_items_string)) free(pCtx->current_items_string); pCtx->current_items_string = strdup(pValue); } if (string_is_equal(pValue, "path")) pCtx->current_entry_val = &pCtx->current_entry->path; else if (string_is_equal(pValue, "label")) pCtx->current_entry_val = &pCtx->current_entry->label; else if (string_is_equal(pValue, "core_path")) pCtx->current_entry_val = &pCtx->current_entry->core_path; else if (string_is_equal(pValue, "core_name")) pCtx->current_entry_val = &pCtx->current_entry->core_name; else if (string_is_equal(pValue, "crc32")) pCtx->current_entry_val = &pCtx->current_entry->crc32; else if (string_is_equal(pValue, "db_name")) pCtx->current_entry_val = &pCtx->current_entry->db_name; else if (string_is_equal(pValue, "subsystem_ident")) pCtx->current_entry_val = &pCtx->current_entry->subsystem_ident; else if (string_is_equal(pValue, "subsystem_name")) pCtx->current_entry_val = &pCtx->current_entry->subsystem_name; else if (string_is_equal(pValue, "subsystem_roms")) pCtx->current_entry_string_list_val = &pCtx->current_entry->subsystem_roms; else if (string_is_equal(pValue, "runtime_hours")) pCtx->current_entry_uint_val = &pCtx->current_entry->runtime_hours; else if (string_is_equal(pValue, "runtime_minutes")) pCtx->current_entry_uint_val = &pCtx->current_entry->runtime_minutes; else if (string_is_equal(pValue, "runtime_seconds")) pCtx->current_entry_uint_val = &pCtx->current_entry->runtime_seconds; else if (string_is_equal(pValue, "last_played_year")) pCtx->current_entry_uint_val = &pCtx->current_entry->last_played_year; else if (string_is_equal(pValue, "last_played_month")) pCtx->current_entry_uint_val = &pCtx->current_entry->last_played_month; else if (string_is_equal(pValue, "last_played_day")) pCtx->current_entry_uint_val = &pCtx->current_entry->last_played_day; else if (string_is_equal(pValue, "last_played_hour")) pCtx->current_entry_uint_val = &pCtx->current_entry->last_played_hour; else if (string_is_equal(pValue, "last_played_minute")) pCtx->current_entry_uint_val = &pCtx->current_entry->last_played_minute; else if (string_is_equal(pValue, "last_played_second")) pCtx->current_entry_uint_val = &pCtx->current_entry->last_played_second; else { /* ignore unknown members */ } } } } else if (pCtx->object_depth == 1) { if (pCtx->array_depth == 0) { if (length) { if (pCtx->current_meta_string) free(pCtx->current_meta_string); pCtx->current_meta_string = strdup(pValue); } } } return JSON_Parser_Continue; } static bool playlist_read_file( playlist_t *playlist, const char *path) { unsigned i; bool new_format = true; RFILE *file = filestream_open(path, RETRO_VFS_FILE_ACCESS_READ, RETRO_VFS_FILE_ACCESS_HINT_NONE); /* If playlist file does not exist, * create an empty playlist instead. */ if (!file) return true; /* Detect format of playlist */ { char buf[16] = {0}; int64_t bytes_read = filestream_read(file, buf, 15); /* Empty playlist file */ if (bytes_read == 0) { filestream_close(file); return true; } filestream_seek(file, 0, SEEK_SET); if (bytes_read == 15) { if (string_is_equal(buf, "{\n \"version\": ")) { /* new playlist format detected */ /*RARCH_LOG("New playlist format detected.\n");*/ new_format = true; } else { /* old playlist format detected */ /*RARCH_LOG("Old playlist format detected.\n");*/ new_format = false; } } else { /* corrupt playlist? */ RARCH_ERR("Could not detect playlist format.\n"); } } if (new_format) { JSONContext context = {0}; context.parser = JSON_Parser_Create(NULL); context.file = file; context.playlist = playlist; if (!context.parser) { RARCH_ERR("Failed to create JSON parser\n"); goto end; } #if 0 JSON_Parser_SetTrackObjectMembers(context.parser, JSON_True); #endif JSON_Parser_SetAllowBOM(context.parser, JSON_True); JSON_Parser_SetAllowComments(context.parser, JSON_True); JSON_Parser_SetAllowSpecialNumbers(context.parser, JSON_True); JSON_Parser_SetAllowHexNumbers(context.parser, JSON_True); JSON_Parser_SetAllowUnescapedControlCharacters(context.parser, JSON_True); JSON_Parser_SetReplaceInvalidEncodingSequences(context.parser, JSON_True); #if 0 JSON_Parser_SetNullHandler(context.parser, &JSONNullHandler); JSON_Parser_SetBooleanHandler(context.parser, &JSONBooleanHandler); JSON_Parser_SetSpecialNumberHandler(context.parser, &JSONSpecialNumberHandler); JSON_Parser_SetArrayItemHandler(context.parser, &JSONArrayItemHandler); #endif JSON_Parser_SetNumberHandler(context.parser, &JSONNumberHandler); JSON_Parser_SetStringHandler(context.parser, &JSONStringHandler); JSON_Parser_SetStartObjectHandler(context.parser, &JSONStartObjectHandler); JSON_Parser_SetEndObjectHandler(context.parser, &JSONEndObjectHandler); JSON_Parser_SetObjectMemberHandler(context.parser, &JSONObjectMemberHandler); JSON_Parser_SetStartArrayHandler(context.parser, &JSONStartArrayHandler); JSON_Parser_SetEndArrayHandler(context.parser, &JSONEndArrayHandler); JSON_Parser_SetUserData(context.parser, &context); while (!filestream_eof(file)) { char chunk[4096] = {0}; int64_t length = filestream_read(file, chunk, sizeof(chunk)); if (!length && !filestream_eof(file)) { RARCH_WARN("Could not read JSON input.\n"); JSON_Parser_Free(context.parser); goto end; } if (!JSON_Parser_Parse(context.parser, chunk, length, JSON_False)) { RARCH_WARN("Error parsing chunk:\n---snip---\n%s\n---snip---\n", chunk); JSONLogError(&context); JSON_Parser_Free(context.parser); goto end; } } if (!JSON_Parser_Parse(context.parser, NULL, 0, JSON_True)) { RARCH_WARN("Error parsing JSON.\n"); JSONLogError(&context); JSON_Parser_Free(context.parser); goto end; } JSON_Parser_Free(context.parser); if (context.current_meta_string) free(context.current_meta_string); if (context.current_items_string) free(context.current_items_string); } else { char buf[PLAYLIST_ENTRIES][1024] = {{0}}; for (i = 0; i < PLAYLIST_ENTRIES; i++) buf[i][0] = '\0'; for (playlist->size = 0; playlist->size < playlist->cap; ) { unsigned i; struct playlist_entry *entry = NULL; for (i = 0; i < PLAYLIST_ENTRIES; i++) { char *last = NULL; *buf[i] = '\0'; if (!filestream_gets(file, buf[i], sizeof(buf[i]))) goto end; /* Read playlist entry and terminate string with NUL character * regardless of Windows or Unix line endings */ if ((last = strrchr(buf[i], '\r'))) *last = '\0'; else if ((last = strrchr(buf[i], '\n'))) *last = '\0'; } entry = &playlist->entries[playlist->size]; if (!*buf[2] || !*buf[3]) continue; if (*buf[0]) entry->path = strdup(buf[0]); if (*buf[1]) entry->label = strdup(buf[1]); entry->core_path = strdup(buf[2]); entry->core_name = strdup(buf[3]); if (*buf[4]) entry->crc32 = strdup(buf[4]); if (*buf[5]) entry->db_name = strdup(buf[5]); playlist->size++; } } end: filestream_close(file); return true; } void playlist_free_cached(void) { playlist_free(playlist_cached); playlist_cached = NULL; } playlist_t *playlist_get_cached(void) { if (playlist_cached) return playlist_cached; return NULL; } bool playlist_init_cached(const char *path, size_t size) { playlist_t *playlist = playlist_init(path, size); if (!playlist) return false; playlist_cached = playlist; return true; } /** * playlist_init: * @path : Path to playlist contents file. * @size : Maximum capacity of playlist size. * * Creates and initializes a playlist. * * Returns: handle to new playlist if successful, otherwise NULL **/ playlist_t *playlist_init(const char *path, size_t size) { struct playlist_entry *entries = NULL; playlist_t *playlist = (playlist_t*)malloc(sizeof(*playlist)); if (!playlist) return NULL; entries = (struct playlist_entry*)calloc(size, sizeof(*entries)); if (!entries) { free(playlist); return NULL; } playlist->modified = false; playlist->size = 0; playlist->cap = size; playlist->conf_path = strdup(path); playlist->entries = entries; playlist_read_file(playlist, path); return playlist; } static int playlist_qsort_func(const struct playlist_entry *a, const struct playlist_entry *b) { char *a_str = NULL; char *b_str = NULL; char *a_fallback_label = NULL; char *b_fallback_label = NULL; int ret = 0; if (!a || !b) goto end; a_str = a->label; b_str = b->label; /* It is quite possible for playlist labels * to be blank. If that is the case, have to use * filename as a fallback (this is slow, but we * have no other option...) */ if (string_is_empty(a_str)) { if (string_is_empty(a->path)) goto end; a_fallback_label = (char*)calloc(PATH_MAX_LENGTH, sizeof(char)); if (!a_fallback_label) goto end; fill_short_pathname_representation(a_fallback_label, a->path, PATH_MAX_LENGTH * sizeof(char)); if (string_is_empty(a_fallback_label)) goto end; a_str = a_fallback_label; } if (string_is_empty(b_str)) { if (string_is_empty(b->path)) goto end; b_fallback_label = (char*)calloc(PATH_MAX_LENGTH, sizeof(char)); if (!b_fallback_label) goto end; fill_short_pathname_representation(b_fallback_label, b->path, PATH_MAX_LENGTH * sizeof(char)); if (string_is_empty(b_fallback_label)) goto end; b_str = b_fallback_label; } ret = strcasecmp(a_str, b_str); end: a_str = NULL; b_str = NULL; if (a_fallback_label) { free(a_fallback_label); a_fallback_label = NULL; } if (b_fallback_label) { free(b_fallback_label); b_fallback_label = NULL; } return ret; } void playlist_qsort(playlist_t *playlist) { qsort(playlist->entries, playlist->size, sizeof(struct playlist_entry), (int (*)(const void *, const void *))playlist_qsort_func); } void command_playlist_push_write( playlist_t *playlist, const struct playlist_entry *entry) { if (!playlist) return; if (playlist_push( playlist, entry )) playlist_write_file(playlist); } void command_playlist_update_write( playlist_t *plist, size_t idx, const struct playlist_entry *entry) { playlist_t *playlist = plist ? plist : playlist_get_cached(); if (!playlist) return; playlist_update( playlist, idx, entry); playlist_write_file(playlist); } bool playlist_index_is_valid(playlist_t *playlist, size_t idx, const char *path, const char *core_path) { if (!playlist) return false; if (idx >= playlist->size) return false; return string_is_equal(playlist->entries[idx].path, path) && string_is_equal(path_basename(playlist->entries[idx].core_path), path_basename(core_path)); } void playlist_get_crc32(playlist_t *playlist, size_t idx, const char **crc32) { if (!playlist) return; if (crc32) *crc32 = playlist->entries[idx].crc32; } void playlist_get_db_name(playlist_t *playlist, size_t idx, const char **db_name) { if (!playlist) return; if (db_name) { if (!string_is_empty(playlist->entries[idx].db_name)) *db_name = playlist->entries[idx].db_name; else { const char *conf_path_basename = path_basename(playlist->conf_path); /* Only use file basename if this is a 'collection' playlist * (i.e. ignore history/favourites) */ if (!string_is_empty(conf_path_basename) && !string_is_equal(conf_path_basename, file_path_str(FILE_PATH_CONTENT_FAVORITES)) && !string_is_equal(conf_path_basename, file_path_str(FILE_PATH_CONTENT_HISTORY)) && !string_is_equal(conf_path_basename, file_path_str(FILE_PATH_CONTENT_IMAGE_HISTORY)) && !string_is_equal(conf_path_basename, file_path_str(FILE_PATH_CONTENT_MUSIC_HISTORY)) && !string_is_equal(conf_path_basename, file_path_str(FILE_PATH_CONTENT_VIDEO_HISTORY))) *db_name = conf_path_basename; } } }