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lua: Add app.fs object with some functions/properties for file names
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commit
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@ -149,6 +149,7 @@ if(ENABLE_SCRIPTING)
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set(scripting_files
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commands/cmd_run_script.cpp
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script/app_command_object.cpp
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script/app_fs_object.cpp
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script/app_object.cpp
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script/brush_class.cpp
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script/cel_class.cpp
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165
src/app/script/app_fs_object.cpp
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165
src/app/script/app_fs_object.cpp
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@ -0,0 +1,165 @@
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// Aseprite
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// Copyright (C) 2019 Igara Studio S.A.
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//
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// This program is distributed under the terms of
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// the End-User License Agreement for Aseprite.
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "app/app.h"
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#include "app/resource_finder.h"
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#include "app/script/luacpp.h"
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#include "base/fs.h"
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namespace app {
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namespace script {
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namespace {
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struct AppFS { };
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int AppFS_pathSeparator(lua_State* L)
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{
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const char sep[2] = { base::path_separator, 0 };
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lua_pushstring(L, sep);
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return 1;
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}
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template<std::string (*Func)(const std::string& path)>
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int AppFS_pathElement(lua_State* L)
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{
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const char* fn = lua_tostring(L, 1);
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if (fn)
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lua_pushstring(L, Func(fn).c_str());
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else
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lua_pushnil(L);
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return 1;
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}
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int AppFS_joinPath(lua_State* L)
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{
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const char* fn = lua_tostring(L, 1);
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if (!fn) {
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lua_pushnil(L);
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return 1;
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}
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std::string result(fn);
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const int n = lua_gettop(L);
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for (int i=2; i<=n; ++i) {
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const char* part = lua_tostring(L, i);
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if (part)
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result = base::join_path(result, part);
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}
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lua_pushstring(L, result.c_str());
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return 1;
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}
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template<std::string (*Func)()>
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int AppFS_get_specialPath(lua_State* L)
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{
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lua_pushstring(L, Func().c_str());
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return 1;
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}
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int AppFS_get_userConfigPath(lua_State* L)
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{
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ResourceFinder rf(false);
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rf.includeUserDir("");
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std::string dir = rf.defaultFilename();
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lua_pushstring(L, dir.c_str());
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return 1;
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}
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int AppFS_isFile(lua_State* L)
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{
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const char* fn = lua_tostring(L, 1);
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if (fn)
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lua_pushboolean(L, base::is_file(fn));
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else
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lua_pushboolean(L, false);
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return 1;
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}
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int AppFS_isDirectory(lua_State* L)
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{
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const char* fn = lua_tostring(L, 1);
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if (fn)
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lua_pushboolean(L, base::is_directory(fn));
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else
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lua_pushboolean(L, false);
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return 1;
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}
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int AppFS_fileSize(lua_State* L)
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{
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const char* fn = lua_tostring(L, 1);
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if (fn)
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lua_pushinteger(L, base::file_size(fn));
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else
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lua_pushnil(L);
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return 1;
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}
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int AppFS_listFiles(lua_State* L)
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{
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const char* path = lua_tostring(L, 1);
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lua_newtable(L);
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if (path) {
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int i = 0;
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for (auto fn : base::list_files(path)) {
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lua_pushstring(L, fn.c_str());
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lua_seti(L, -2, ++i);
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}
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}
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return 1;
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}
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const Property AppFS_properties[] = {
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{ "pathSeparator", AppFS_pathSeparator, nullptr },
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// Special folder names
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{ "currentPath", AppFS_get_specialPath<base::get_current_path>, nullptr },
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{ "appPath", AppFS_get_specialPath<base::get_app_path>, nullptr },
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{ "tempPath", AppFS_get_specialPath<base::get_temp_path>, nullptr },
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{ "userDocsPath", AppFS_get_specialPath<base::get_user_docs_folder>, nullptr },
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{ "userConfigPath", AppFS_get_userConfigPath, nullptr },
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{ nullptr, nullptr, nullptr }
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};
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const luaL_Reg AppFS_methods[] = {
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// Path manipulation
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{ "filePath", AppFS_pathElement<base::get_file_path> },
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{ "fileName", AppFS_pathElement<base::get_file_name> },
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{ "fileExtension", AppFS_pathElement<base::get_file_extension> },
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{ "fileTitle", AppFS_pathElement<base::get_file_title> },
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{ "filePathAndTitle", AppFS_pathElement<base::get_file_title_with_path> },
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{ "normalizePath", AppFS_pathElement<base::normalize_path> },
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{ "joinPath", AppFS_joinPath },
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// File system information
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{ "isFile", AppFS_isFile },
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{ "isDirectory", AppFS_isDirectory },
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{ "fileSize", AppFS_fileSize },
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{ "listFiles", AppFS_listFiles },
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{ nullptr, nullptr }
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};
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} // anonymous namespace
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DEF_MTNAME(AppFS);
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void register_app_fs_object(lua_State* L)
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{
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REG_CLASS(L, AppFS);
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REG_CLASS_PROPERTIES(L, AppFS);
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lua_getglobal(L, "app");
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lua_pushstring(L, "fs");
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push_new<AppFS>(L);
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lua_rawset(L, -3);
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lua_pop(L, 1);
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}
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} // namespace script
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} // namespace app
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@ -135,6 +135,7 @@ int unsupported(lua_State* L)
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void register_app_object(lua_State* L);
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void register_app_pixel_color_object(lua_State* L);
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void register_app_fs_object(lua_State* L);
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void register_app_command_object(lua_State* L);
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void register_app_preferences_object(lua_State* L);
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@ -232,6 +233,7 @@ Engine::Engine()
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// Register global app object
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register_app_object(L);
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register_app_pixel_color_object(L);
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register_app_fs_object(L);
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register_app_command_object(L);
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register_app_preferences_object(L);
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