1 /*
2 This file is part of darktable,
3 Copyright (C) 2013-2020 darktable developers.
4
5 darktable is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
9
10 darktable is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with darktable. If not, see <http://www.gnu.org/licenses/>.
17 */
18 #ifdef HAVE_CONFIG_H
19 #include "config.h"
20 #endif
21 #include "common/darktable.h"
22 #include "common/file_location.h"
23 #include "lua/configuration.h"
24 #include "lua/lua.h"
25
check_version(lua_State * L)26 static int check_version(lua_State *L)
27 {
28 const char *module_name = "<unnamed module>";
29 if(!lua_isnil(L,1)) module_name = luaL_checkstring(L, 1);
30 gboolean valid = false;
31 for(int i = 2; i <= lua_gettop(L); i++)
32 {
33 lua_pushinteger(L, 1);
34 lua_gettable(L, i);
35 int major = luaL_checkinteger(L, -1);
36 lua_pop(L, 1);
37
38 lua_pushinteger(L, 2);
39 lua_gettable(L, i);
40 int minor = luaL_checkinteger(L, -1);
41 lua_pop(L, 1);
42
43 /*
44 patch number is not needed to check for compatibility
45 but let's take the good habits
46 lua_pushinteger(L,3);
47 lua_gettable(L,i);
48 int patch= luaL_checkinteger(L,-1);
49 lua_pop(L,1);
50 */
51 if(major == LUA_API_VERSION_MAJOR && minor <= LUA_API_VERSION_MINOR)
52 {
53 valid = true;
54 }
55 }
56 if(valid)
57 {
58 // nothing
59 }
60 else if(strlen(LUA_API_VERSION_SUFFIX) == 0)
61 {
62 luaL_error(L, "Module %s is not compatible with API %d.%d.%d", module_name, LUA_API_VERSION_MAJOR,
63 LUA_API_VERSION_MINOR, LUA_API_VERSION_PATCH);
64 }
65 else
66 {
67 dt_print(DT_DEBUG_LUA, "LUA ERROR Module %s is not compatible with API %d.%d.%d-%s\n", module_name,
68 LUA_API_VERSION_MAJOR, LUA_API_VERSION_MINOR, LUA_API_VERSION_PATCH, LUA_API_VERSION_SUFFIX);
69 }
70 return 0;
71 }
72
73
74 typedef enum
75 {
76 os_windows,
77 os_macos,
78 os_linux,
79 os_unix
80 } lua_os_type;
81 #if defined(_WIN32)
82 static const lua_os_type cur_os = os_windows;
83 #elif defined(__MACH__) || defined(__APPLE__)
84 static const lua_os_type cur_os = os_macos;
85 #elif defined(__linux__)
86 static const lua_os_type cur_os = os_linux;
87 #else
88 static const lua_os_type cur_os = os_unix;
89 #endif
90
dt_lua_init_configuration(lua_State * L)91 int dt_lua_init_configuration(lua_State *L)
92 {
93 char tmp_path[PATH_MAX] = { 0 };
94
95 dt_lua_push_darktable_lib(L);
96
97 dt_lua_goto_subtable(L, "configuration");
98 // build the table containing the configuration info
99
100 lua_pushstring(L, "tmp_dir");
101 dt_loc_get_tmp_dir(tmp_path, sizeof(tmp_path));
102 lua_pushstring(L, tmp_path);
103 lua_settable(L, -3);
104
105 lua_pushstring(L, "config_dir");
106 dt_loc_get_user_config_dir(tmp_path, sizeof(tmp_path));
107 lua_pushstring(L, tmp_path);
108 lua_settable(L, -3);
109
110 lua_pushstring(L, "cache_dir");
111 dt_loc_get_user_cache_dir(tmp_path, sizeof(tmp_path));
112 lua_pushstring(L, tmp_path);
113 lua_settable(L, -3);
114
115 lua_pushstring(L, "version");
116 lua_pushstring(L, darktable_package_version);
117 lua_settable(L, -3);
118
119 lua_pushstring(L, "verbose");
120 lua_pushboolean(L, darktable.unmuted & DT_DEBUG_LUA);
121 lua_settable(L, -3);
122
123 lua_pushstring(L, "has_gui");
124 lua_pushboolean(L, darktable.gui != NULL);
125 lua_settable(L, -3);
126
127 lua_pushstring(L, "api_version_major");
128 lua_pushinteger(L, LUA_API_VERSION_MAJOR);
129 lua_settable(L, -3);
130
131 lua_pushstring(L, "api_version_minor");
132 lua_pushinteger(L, LUA_API_VERSION_MINOR);
133 lua_settable(L, -3);
134
135 lua_pushstring(L, "api_version_patch");
136 lua_pushinteger(L, LUA_API_VERSION_PATCH);
137 lua_settable(L, -3);
138
139 lua_pushstring(L, "api_version_suffix");
140 lua_pushstring(L, LUA_API_VERSION_SUFFIX);
141 lua_settable(L, -3);
142
143 lua_pushstring(L, "api_version_string");
144 if(LUA_API_VERSION_SUFFIX[0] == '\0')
145 {
146 lua_pushfstring(L, "%d.%d.%d", LUA_API_VERSION_MAJOR, LUA_API_VERSION_MINOR, LUA_API_VERSION_PATCH);
147 }
148 else
149 {
150 lua_pushfstring(L, "%d.%d.%d-%s", LUA_API_VERSION_MAJOR, LUA_API_VERSION_MINOR, LUA_API_VERSION_PATCH,
151 LUA_API_VERSION_SUFFIX);
152 }
153 lua_settable(L, -3);
154
155 lua_pushstring(L, "check_version");
156 lua_pushcfunction(L, check_version);
157 lua_settable(L, -3);
158
159 luaA_enum(L, lua_os_type);
160 luaA_enum_value_name(L, lua_os_type, os_windows, "windows");
161 luaA_enum_value_name(L, lua_os_type, os_macos, "macos");
162 luaA_enum_value_name(L, lua_os_type, os_linux, "linux");
163 luaA_enum_value_name(L, lua_os_type, os_unix, "unix");
164 lua_pushstring(L, "running_os");
165 luaA_push(L, lua_os_type, &cur_os);
166 lua_settable(L, -3);
167
168 lua_pop(L, 1); // remove the configuration table from the stack
169 return 0;
170 }
171
172
173
174 // modelines: These editor modelines have been set for all relevant files by tools/update_modelines.sh
175 // vim: shiftwidth=2 expandtab tabstop=2 cindent
176 // kate: tab-indents: off; indent-width 2; replace-tabs on; indent-mode cstyle; remove-trailing-spaces modified;
177