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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* This is a utility for create the translations.dat file from all the po files.
* The generated files is used by ScummVM to propose translation of its GUI.
*/
#include "cp_parser.h"
#include <fstream>
#include <stdio.h>
Codepage::Codepage(const std::string &name, const uint32 *mapping) : _name(name) {
if (!mapping) {
// Default to a ISO-8859-1 mapping
for (unsigned int i = 0; i < 256; ++i)
_mapping[i] = i;
} else {
for (unsigned int i = 0; i < 256; ++i)
_mapping[i] = *mapping++;
}
}
Codepage *parseCodepageMapping(const std::string &filename) {
size_t start = filename.find_last_of("/\\");
if (start == std::string::npos)
start = 0;
else
++start;
// Strip off the filename extension
const size_t pos = filename.find_last_of('.');
const std::string charset(filename.substr(start, pos != std::string::npos ? (pos - start) : std::string::npos));
std::ifstream in(filename.c_str());
if (!in) {
fprintf(stderr, "ERROR: Could not open file \"%s\"!\n", filename.c_str());
return 0;
}
uint32 mapping[256];
int processedMappings = 0;
std::string line;
while (processedMappings < 256) {
std::getline(in, line);
if (in.eof())
break;
if (in.fail()) {
fprintf(stderr, "ERROR: Reading from file \"%s\" failed!\n", filename.c_str());
return 0;
}
// In case the line starts with a "#" it is a comment. We also ignore
// empty lines.
if (line.empty() || line[0] == '#')
continue;
// Read the unicode number, we thereby ignore everything else on the line
int unicode, required;
const int parsed = sscanf(line.c_str(), "%d %d", &unicode, &required);
if (parsed < 1 || parsed > 2) {
fprintf(stderr, "ERROR: Line \"%s\" is malformed!\n", filename.c_str());
return 0;
}
// In case no required integer was given, we assume the character is
// required
if (parsed == 1)
required = 1;
// -1 means default mapping
if (unicode == -1)
unicode = processedMappings;
uint32 unicodeValue = unicode;
if (required)
unicodeValue |= 0x80000000;
mapping[processedMappings++] = (uint32)unicodeValue;
}
// Check whether all character encodings are mapped, if not error out
if (processedMappings != 256) {
fprintf(stderr, "ERROR: File \"%s\" does not contain mappings for exactly 256 characters!\n", filename.c_str());
return 0;
}
// Return the codepage
return new Codepage(charset, mapping);
}
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