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/*************************************************************************/
/* translation_loader_po.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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 "translation_loader_po.h"
#include "core/os/file_access.h"
#include "core/translation.h"
RES TranslationLoaderPO::load_translation(FileAccess *f, Error *r_error) {
enum Status {
STATUS_NONE,
STATUS_READING_ID,
STATUS_READING_STRING,
};
Status status = STATUS_NONE;
String msg_id;
String msg_str;
String config;
if (r_error)
*r_error = ERR_FILE_CORRUPT;
Ref<Translation> translation = Ref<Translation>(memnew(Translation));
int line = 1;
bool skip_this = false;
bool skip_next = false;
bool is_eof = false;
const String path = f->get_path();
while (!is_eof) {
String l = f->get_line().strip_edges();
is_eof = f->eof_reached();
// If we reached last line and it's not a content line, break, otherwise let processing that last loop
if (is_eof && l.empty()) {
if (status == STATUS_READING_ID) {
memdelete(f);
ERR_FAIL_V_MSG(RES(), "Unexpected EOF while reading 'msgid' at: " + path + ":" + itos(line));
} else {
break;
}
}
if (l.begins_with("msgid")) {
if (status == STATUS_READING_ID) {
memdelete(f);
ERR_FAIL_V_MSG(RES(), "Unexpected 'msgid', was expecting 'msgstr' while parsing: " + path + ":" + itos(line));
}
if (msg_id != "") {
if (!skip_this)
translation->add_message(msg_id, msg_str);
} else if (config == "")
config = msg_str;
l = l.substr(5, l.length()).strip_edges();
status = STATUS_READING_ID;
msg_id = "";
msg_str = "";
skip_this = skip_next;
skip_next = false;
}
if (l.begins_with("msgstr")) {
if (status != STATUS_READING_ID) {
memdelete(f);
ERR_FAIL_V_MSG(RES(), "Unexpected 'msgstr', was expecting 'msgid' while parsing: " + path + ":" + itos(line));
}
l = l.substr(6, l.length()).strip_edges();
status = STATUS_READING_STRING;
}
if (l == "" || l.begins_with("#")) {
if (l.find("fuzzy") != -1) {
skip_next = true;
}
line++;
continue; //nothing to read or comment
}
if (!l.begins_with("\"") || status == STATUS_NONE) {
memdelete(f);
ERR_FAIL_V_MSG(RES(), "Invalid line '" + l + "' while parsing: " + path + ":" + itos(line));
}
l = l.substr(1, l.length());
//find final quote
int end_pos = -1;
for (int i = 0; i < l.length(); i++) {
if (l[i] == '"' && (i == 0 || l[i - 1] != '\\')) {
end_pos = i;
break;
}
}
if (end_pos == -1) {
memdelete(f);
ERR_FAIL_V_MSG(RES(), "Expected '\"' at end of message while parsing: " + path + ":" + itos(line));
}
l = l.substr(0, end_pos);
l = l.c_unescape();
if (status == STATUS_READING_ID)
msg_id += l;
else
msg_str += l;
line++;
}
memdelete(f);
if (status == STATUS_READING_STRING) {
if (msg_id != "") {
if (!skip_this)
translation->add_message(msg_id, msg_str);
} else if (config == "")
config = msg_str;
}
ERR_FAIL_COND_V_MSG(config == "", RES(), "No config found in file: " + path + ".");
Vector<String> configs = config.split("\n");
for (int i = 0; i < configs.size(); i++) {
String c = configs[i].strip_edges();
int p = c.find(":");
if (p == -1)
continue;
String prop = c.substr(0, p).strip_edges();
String value = c.substr(p + 1, c.length()).strip_edges();
if (prop == "X-Language" || prop == "Language") {
translation->set_locale(value);
}
}
if (r_error)
*r_error = OK;
return translation;
}
RES TranslationLoaderPO::load(const String &p_path, const String &p_original_path, Error *r_error) {
if (r_error)
*r_error = ERR_CANT_OPEN;
FileAccess *f = FileAccess::open(p_path, FileAccess::READ);
ERR_FAIL_COND_V_MSG(!f, RES(), "Cannot open file '" + p_path + "'.");
return load_translation(f, r_error);
}
void TranslationLoaderPO::get_recognized_extensions(List<String> *p_extensions) const {
p_extensions->push_back("po");
}
bool TranslationLoaderPO::handles_type(const String &p_type) const {
return (p_type == "Translation");
}
String TranslationLoaderPO::get_resource_type(const String &p_path) const {
if (p_path.get_extension().to_lower() == "po")
return "Translation";
return "";
}
TranslationLoaderPO::TranslationLoaderPO() {
}
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