godot/core/io/translation_loader_po.cpp
2014-02-09 22:10:30 -03:00

202 lines
5.4 KiB
C++

/*************************************************************************/
/* translation_loader_po.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "os/file_access.h"
#include "translation.h"
RES TranslationLoaderPO::load(const String &p_path,const String& p_original_path) {
FileAccess *f=FileAccess::open(p_path,FileAccess::READ);
ERR_FAIL_COND_V(!f,RES());
String l = f->get_line();
enum Status {
STATUS_NONE,
STATUS_READING_ID,
STATUS_READING_STRING,
};
Status status=STATUS_NONE;
String msg_id;
String msg_str;
String config;
Ref<Translation> translation = Ref<Translation>( memnew( Translation ));
int line = 1;
while(true) {
String l = f->get_line();
if (f->eof_reached()) {
if ( status == STATUS_READING_STRING) {
if (msg_id!="")
translation->add_message(msg_id,msg_str);
else if (config=="")
config=msg_str;
break;
} else if ( status==STATUS_NONE)
break;
memdelete(f);
ERR_EXPLAIN(p_path+":"+itos(line)+" Unexpected EOF while reading 'msgid' at file: ");
ERR_FAIL_V(RES());
}
l=l.strip_edges();
if (l.begins_with("msgid")) {
if (status==STATUS_READING_ID) {
memdelete(f);
ERR_EXPLAIN(p_path+":"+itos(line)+" nexpected 'msgid', was expecting 'msgstr' while parsing: ");
ERR_FAIL_V(RES());
}
if (msg_id!="")
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="";
}
if (l.begins_with("msgstr")) {
if (status!=STATUS_READING_ID) {
memdelete(f);
ERR_EXPLAIN(p_path+":"+itos(line)+" Unexpected 'msgstr', was expecting 'msgid' while parsing: ");
ERR_FAIL_V(RES());
}
l=l.substr(6,l.length()).strip_edges();
status=STATUS_READING_STRING;
}
if (l=="" || l.begins_with("#")) {
line++;
continue; //nothing to read or comment
}
if (!l.begins_with("\"") || status==STATUS_NONE) {
//not a string? failure!
ERR_EXPLAIN(p_path+":"+itos(line)+" Invalid line '"+l+"' while parsing: ");
ERR_FAIL_V(RES());
}
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) {
ERR_EXPLAIN(p_path+":"+itos(line)+" Expected '\"' at end of message while parsing file: ");
ERR_FAIL_V(RES());
}
l=l.substr(0,end_pos);
l=l.c_unescape();
if (status==STATUS_READING_ID)
msg_id+=l;
else
msg_str+=l;
line++;
}
f->close();
memdelete(f);
if (config=="") {
ERR_EXPLAIN("No config found in file: "+p_path);
ERR_FAIL_V(RES());
}
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") {
translation->set_locale(value);
}
}
return translation;
}
void TranslationLoaderPO::get_recognized_extensions(List<String> *p_extensions) const{
p_extensions->push_back("po");
//p_extensions->push_back("mo"); //mo in the future...
}
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.extension().to_lower()=="po")
return "Translation";
return "";
}
TranslationLoaderPO::TranslationLoaderPO()
{
}