summaryrefslogtreecommitdiff
path: root/editor/pot_generator.cpp
blob: 4d9efefbd3db6656594124b6affa1bcaf3125e2b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
/*************************************************************************/
/*  pot_generator.cpp                                                    */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#include "pot_generator.h"

#include "core/config/project_settings.h"
#include "core/error/error_macros.h"
#include "editor_translation_parser.h"
#include "plugins/packed_scene_translation_parser_plugin.h"

POTGenerator *POTGenerator::singleton = nullptr;

#ifdef DEBUG_POT
void POTGenerator::_print_all_translation_strings() {
	for (OrderedHashMap<String, Vector<POTGenerator::MsgidData>>::Element E = all_translation_strings.front(); E; E = E.next()) {
		Vector<MsgidData> v_md = all_translation_strings[E.key()];
		for (int i = 0; i < v_md.size(); i++) {
			print_line("++++++");
			print_line("msgid: " + E.key());
			print_line("context: " + v_md[i].ctx);
			print_line("msgid_plural: " + v_md[i].plural);
			for (Set<String>::Element *E = v_md[i].locations.front(); E; E = E->next()) {
				print_line("location: " + E->get());
			}
		}
	}
}
#endif

void POTGenerator::generate_pot(const String &p_file) {
	if (!ProjectSettings::get_singleton()->has_setting("internationalization/locale/translations_pot_files")) {
		WARN_PRINT("No files selected for POT generation.");
		return;
	}

	// Clear all_translation_strings of the previous round.
	all_translation_strings.clear();

	Vector<String> files = ProjectSettings::get_singleton()->get("internationalization/locale/translations_pot_files");

	// Collect all translatable strings according to files order in "POT Generation" setting.
	for (int i = 0; i < files.size(); i++) {
		Vector<String> msgids;
		Vector<Vector<String>> msgids_context_plural;
		String file_path = files[i];
		String file_extension = file_path.get_extension();

		if (EditorTranslationParser::get_singleton()->can_parse(file_extension)) {
			EditorTranslationParser::get_singleton()->get_parser(file_extension)->parse_file(file_path, &msgids, &msgids_context_plural);
		} else {
			ERR_PRINT("Unrecognized file extension " + file_extension + " in generate_pot()");
			return;
		}

		for (int j = 0; j < msgids_context_plural.size(); j++) {
			Vector<String> entry = msgids_context_plural[j];
			_add_new_msgid(entry[0], entry[1], entry[2], file_path);
		}
		for (int j = 0; j < msgids.size(); j++) {
			_add_new_msgid(msgids[j], "", "", file_path);
		}
	}

	_write_to_pot(p_file);
}

void POTGenerator::_write_to_pot(const String &p_file) {
	Error err;
	FileAccess *file = FileAccess::open(p_file, FileAccess::WRITE, &err);
	if (err != OK) {
		ERR_PRINT("Failed to open " + p_file);
		return;
	}

	String project_name = ProjectSettings::get_singleton()->get("application/config/name");
	Vector<String> files = ProjectSettings::get_singleton()->get("internationalization/locale/translations_pot_files");
	String extracted_files = "";
	for (int i = 0; i < files.size(); i++) {
		extracted_files += "# " + files[i] + "\n";
	}
	const String header =
			"# LANGUAGE translation for " + project_name + " for the following files:\n" + extracted_files +
			"#\n"
			"# FIRST AUTHOR < EMAIL @ADDRESS>, YEAR.\n"
			"#\n"
			"#, fuzzy\n"
			"msgid \"\"\n"
			"msgstr \"\"\n"
			"\"Project-Id-Version: " +
			project_name + "\\n\"\n"
						   "\"MIME-Version: 1.0\\n\"\n"
						   "\"Content-Type: text/plain; charset=UTF-8\\n\"\n"
						   "\"Content-Transfer-Encoding: 8-bit\\n\"\n";

	file->store_string(header);

	for (OrderedHashMap<String, Vector<MsgidData>>::Element E_pair = all_translation_strings.front(); E_pair; E_pair = E_pair.next()) {
		String msgid = E_pair.key();
		Vector<MsgidData> v_msgid_data = E_pair.value();
		for (int i = 0; i < v_msgid_data.size(); i++) {
			String context = v_msgid_data[i].ctx;
			String plural = v_msgid_data[i].plural;
			const Set<String> &locations = v_msgid_data[i].locations;

			// Put the blank line at the start, to avoid a double at the end when closing the file.
			file->store_line("");

			// Write file locations.
			for (Set<String>::Element *E = locations.front(); E; E = E->next()) {
				file->store_line("#: " + E->get().trim_prefix("res://"));
			}

			// Write context.
			if (!context.is_empty()) {
				file->store_line("msgctxt \"" + context + "\"");
			}

			// Write msgid.
			_write_msgid(file, msgid, false);

			// Write msgid_plural.
			if (!plural.is_empty()) {
				_write_msgid(file, plural, true);
				file->store_line("msgstr[0] \"\"");
				file->store_line("msgstr[1] \"\"");
			} else {
				file->store_line("msgstr \"\"");
			}
		}
	}

	file->close();
}

void POTGenerator::_write_msgid(FileAccess *r_file, const String &p_id, bool p_plural) {
	// Split \\n and \n.
	Vector<String> temp = p_id.split("\\n");
	Vector<String> msg_lines;
	for (int i = 0; i < temp.size(); i++) {
		msg_lines.append_array(temp[i].split("\n"));
		if (i < temp.size() - 1) {
			// Add \n.
			msg_lines.set(msg_lines.size() - 1, msg_lines[msg_lines.size() - 1] + "\\n");
		}
	}

	if (p_plural) {
		r_file->store_string("msgid_plural ");
	} else {
		r_file->store_string("msgid ");
	}

	for (int i = 0; i < msg_lines.size(); i++) {
		r_file->store_line("\"" + msg_lines[i] + "\"");
	}
}

void POTGenerator::_add_new_msgid(const String &p_msgid, const String &p_context, const String &p_plural, const String &p_location) {
	// Insert new location if msgid under same context exists already.
	if (all_translation_strings.has(p_msgid)) {
		Vector<MsgidData> &v_mdata = all_translation_strings[p_msgid];
		for (int i = 0; i < v_mdata.size(); i++) {
			if (v_mdata[i].ctx == p_context) {
				if (!v_mdata[i].plural.is_empty() && !p_plural.is_empty() && v_mdata[i].plural != p_plural) {
					WARN_PRINT("Redefinition of plural message (msgid_plural), under the same message (msgid) and context (msgctxt)");
				}
				v_mdata.write[i].locations.insert(p_location);
				return;
			}
		}
	}

	// Add a new entry of msgid, context, plural and location - context and plural might be empty if the inserted msgid doesn't associated
	// context or plurals.
	MsgidData mdata;
	mdata.ctx = p_context;
	mdata.plural = p_plural;
	mdata.locations.insert(p_location);
	all_translation_strings[p_msgid].push_back(mdata);
}

POTGenerator *POTGenerator::get_singleton() {
	if (!singleton) {
		singleton = memnew(POTGenerator);
	}
	return singleton;
}

POTGenerator::POTGenerator() {
}

POTGenerator::~POTGenerator() {
	memdelete(singleton);
	singleton = nullptr;
}