mirror of
https://git.wownero.com/wownero/wownero.git
synced 2024-08-15 01:03:23 +00:00
Merge pull request #336
ea58576
Add missing file - i18n.cpp (moneromooo-monero)
This commit is contained in:
commit
b4849310dc
1 changed files with 297 additions and 0 deletions
297
src/common/i18n.cpp
Normal file
297
src/common/i18n.cpp
Normal file
|
@ -0,0 +1,297 @@
|
|||
// Copyright (c) 2014-2015, The Monero Project
|
||||
//
|
||||
// All rights reserved.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification, are
|
||||
// permitted provided that the following conditions are met:
|
||||
//
|
||||
// 1. Redistributions of source code must retain the above copyright notice, this list of
|
||||
// conditions and the following disclaimer.
|
||||
//
|
||||
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
|
||||
// of conditions and the following disclaimer in the documentation and/or other
|
||||
// materials provided with the distribution.
|
||||
//
|
||||
// 3. Neither the name of the copyright holder nor the names of its contributors may be
|
||||
// used to endorse or promote products derived from this software without specific
|
||||
// prior written permission.
|
||||
//
|
||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
|
||||
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
||||
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
||||
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <ctype.h>
|
||||
#include <string>
|
||||
#include <map>
|
||||
#include "include_base_utils.h"
|
||||
#include "file_io_utils.h"
|
||||
#include "common/util.h"
|
||||
#include "common/i18n.h"
|
||||
|
||||
static const unsigned char qm_magic[16] = {0x3c, 0xb8, 0x64, 0x18, 0xca, 0xef, 0x9c, 0x95, 0xcd, 0x21, 0x1c, 0xbf, 0x60, 0xa1, 0xbd, 0xdd};
|
||||
|
||||
static std::map<std::string,std::string> i18n_entries;
|
||||
|
||||
/* Logging isn't initialized yet when this is run */
|
||||
/* add std::flush, because std::endl doesn't seem to flush, contrary to expected */
|
||||
// #define i18n_log(x) do { std::cout << __FILE__ << ":" << __LINE__ << ": " << x << std::endl; std::cout << std::flush; } while(0)
|
||||
#define i18n_log(x) ((void)0)
|
||||
|
||||
static std::string get_language()
|
||||
{
|
||||
const char *e;
|
||||
|
||||
e = getenv("LANG");
|
||||
i18n_log("LANG=" << e);
|
||||
if (!e || !*e) {
|
||||
e = getenv("LC_ALL");
|
||||
i18n_log("LC_ALL=" << e);
|
||||
}
|
||||
if (!e || !*e)
|
||||
e = "en";
|
||||
|
||||
std::string language = e;
|
||||
std::transform(language.begin(), language.end(), language.begin(), tolower);
|
||||
return language;
|
||||
}
|
||||
|
||||
static uint32_t be32(const unsigned char *data)
|
||||
{
|
||||
return (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
|
||||
}
|
||||
|
||||
static std::string utf16(const unsigned char *data, uint32_t len)
|
||||
{
|
||||
std::string s;
|
||||
while (len >= 2) {
|
||||
uint32_t code = (data[0] << 8) | data[1];
|
||||
data += 2;
|
||||
len -= 2;
|
||||
if (code >= 0xd800 && code <= 0xdbfff && len >= 2) {
|
||||
uint32_t next = (data[0] << 8) | data[1];
|
||||
if (next >= 0xdc00 && next <= 0xdfff) {
|
||||
code = (code << 10) + next - 0x35dfc00;
|
||||
data += 2;
|
||||
len -= 2;
|
||||
}
|
||||
}
|
||||
if (code <= 0x7f) {
|
||||
s += (char)code;
|
||||
}
|
||||
else if (code <= 0x7ff) {
|
||||
s += 0xc0 | (code >> 6);
|
||||
s += 0x80 | (code & 0x3f);
|
||||
}
|
||||
else if (code <= 0xffff) {
|
||||
s += 0xe0 | (code >> 12);
|
||||
s += 0x80 | ((code >> 6) & 0x3f);
|
||||
s += 0x80 | (code & 0x3f);
|
||||
}
|
||||
else {
|
||||
s += 0xf0 | (code >> 18);
|
||||
s += 0x80 | ((code >> 12) & 0x3f);
|
||||
s += 0x80 | ((code >> 6) & 0x3f);
|
||||
s += 0x80 | (code & 0x3f);
|
||||
}
|
||||
}
|
||||
return s;
|
||||
}
|
||||
|
||||
static std::string utf8(const unsigned char *data, uint32_t len)
|
||||
{
|
||||
/* assume well formedness */
|
||||
return std::string((const char *)data,len);
|
||||
}
|
||||
|
||||
int i18n_set_language(const char *directory, const char *base)
|
||||
{
|
||||
std::string language, filename, contents;
|
||||
const unsigned char *data;
|
||||
size_t datalen;
|
||||
size_t idx;
|
||||
unsigned char chunk_type;
|
||||
uint32_t chunk_size;
|
||||
uint32_t num_messages = (uint32_t)-1;
|
||||
uint32_t messages_idx = (uint32_t)-1;
|
||||
uint32_t offsets_idx = (uint32_t)-1;
|
||||
std::string translation, source, context;
|
||||
|
||||
i18n_log("i18n_set_language(" << directory << "," << base << ")");
|
||||
if (!directory || !base)
|
||||
return -1;
|
||||
|
||||
language = get_language();
|
||||
filename = std::string(directory) + "/" + base + "_" + language + ".qm";
|
||||
i18n_log("Loading translations for language " << language);
|
||||
|
||||
boost::system::error_code ignored_ec;
|
||||
if (!boost::filesystem::exists(filename, ignored_ec)) {
|
||||
i18n_log("Translations file not found: " << filename);
|
||||
const char *underscore = strchr(language.c_str(), '_');
|
||||
if (underscore) {
|
||||
std::string fallback_language = std::string(language, 0, underscore - language.c_str());
|
||||
filename = std::string(directory) + "/" + base + "_" + fallback_language + ".qm";
|
||||
i18n_log("Not found, loading translations for language " << fallback_language);
|
||||
if (!boost::filesystem::exists(filename, ignored_ec)) {
|
||||
i18n_log("Translations file not found: " << filename);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (!epee::file_io_utils::load_file_to_string(filename, contents)) {
|
||||
i18n_log("Failed to load translations file: " << filename);
|
||||
return -1;
|
||||
}
|
||||
|
||||
data = (const unsigned char*)contents.c_str();
|
||||
datalen = contents.size();
|
||||
idx = 0;
|
||||
i18n_log("Translations file size: " << datalen);
|
||||
|
||||
/* Format of the QM file (AFAICT):
|
||||
* 16 bytes magic
|
||||
* chunk list: N instances of chunks:
|
||||
* 1 byte: chunk type (0x42: offsets, 0x69: messages)
|
||||
* 4 bytes: chunk length, big endian
|
||||
* D bytes: "chunk length" bytes of data
|
||||
*
|
||||
* 0x42 chunk: N instances of subchunks:
|
||||
* 1 byte: subchunk type
|
||||
* 0x01: end, no data
|
||||
* 0x02: unsupported
|
||||
* 0x03: translation
|
||||
* 4 bytes: string length, big endian
|
||||
* N bytes: string data, UTF-16 (or UCS2-BE ?)
|
||||
* 0x04: unsupported
|
||||
* 0x05: obsolete, unsupported
|
||||
* 0x06: source text
|
||||
* 0x07: context
|
||||
* 0x08: obsolete, unsupported
|
||||
* other: unsupported
|
||||
* 4 bytes: subchunk length, big endian - except for 0x01, which has none
|
||||
* S bytes: "chunk length" bytes of data
|
||||
* 0x69 chunk:
|
||||
* string data indexed by the 0x42 chunk data
|
||||
*/
|
||||
if (datalen < sizeof(qm_magic) || memcmp(data, qm_magic, sizeof(qm_magic))) {
|
||||
i18n_log("Bad translations file format: " << filename);
|
||||
return -1;
|
||||
}
|
||||
idx += sizeof(qm_magic);
|
||||
|
||||
while (idx < datalen) {
|
||||
if (idx + 5 > datalen) {
|
||||
i18n_log("Bad translations file format: " << filename);
|
||||
return -1;
|
||||
}
|
||||
chunk_type = data[idx++];
|
||||
chunk_size = be32(data+idx);
|
||||
idx += 4;
|
||||
|
||||
i18n_log("Found " << chunk_type << " of " << chunk_size << " bytes");
|
||||
if (chunk_size >= datalen || idx > datalen - chunk_size) {
|
||||
i18n_log("Bad translations file format: " << filename);
|
||||
return -1;
|
||||
}
|
||||
|
||||
switch (chunk_type) {
|
||||
case 0x42:
|
||||
i18n_log("Found offsets at " << idx);
|
||||
/* two 32 bit integers, and possible padding */
|
||||
offsets_idx = idx;
|
||||
num_messages = chunk_size / 8;
|
||||
break;
|
||||
case 0x69:
|
||||
i18n_log("Found messages at " << idx);
|
||||
messages_idx = idx;
|
||||
break;
|
||||
default:
|
||||
i18n_log("Found unsupported chunk type: " << chunk_type);
|
||||
break;
|
||||
}
|
||||
|
||||
idx += chunk_size;
|
||||
}
|
||||
|
||||
if (offsets_idx == (uint32_t)-1) {
|
||||
i18n_log("No offsets chunk found");
|
||||
return -1;
|
||||
}
|
||||
if (messages_idx == (uint32_t)-1) {
|
||||
i18n_log("No messages chunk found");
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (uint32_t m = 0; m < num_messages; ++m) {
|
||||
be32(data+offsets_idx+m*8); // unused
|
||||
idx = be32(data+offsets_idx+m*8+4);
|
||||
idx += messages_idx;
|
||||
|
||||
if (idx > datalen || idx + 1 > datalen) {
|
||||
i18n_log("Bad translations file format: " << filename);
|
||||
return -1;
|
||||
}
|
||||
|
||||
while (1) {
|
||||
if (idx + 5 > datalen) {
|
||||
i18n_log("Bad translations file format: " << filename);
|
||||
return -1;
|
||||
}
|
||||
chunk_type = data[idx++];
|
||||
chunk_size = 0;
|
||||
if (chunk_type == 0x01) {
|
||||
i18n_entries[context + std::string("",1) + source] = translation;
|
||||
context = std::string();
|
||||
source = std::string();
|
||||
translation = std::string();
|
||||
break;
|
||||
}
|
||||
|
||||
chunk_size = be32(data+idx);
|
||||
idx += 4;
|
||||
i18n_log("Found " << chunk_type << " of " << chunk_size << " bytes");
|
||||
if (chunk_size >= datalen || idx > datalen - chunk_size) {
|
||||
i18n_log("Bad translations file format: " << filename);
|
||||
return -1;
|
||||
}
|
||||
switch (chunk_type) {
|
||||
case 0x03: // translation, UTF-16
|
||||
translation = utf16(data+idx, chunk_size);
|
||||
i18n_log("Found translation: " << translation);
|
||||
break;
|
||||
case 0x06: // source, UTF-8
|
||||
source = utf8(data+idx, chunk_size);
|
||||
i18n_log("Found source: " << source);
|
||||
break;
|
||||
case 0x07: // context, UTF-8
|
||||
context = utf8(data+idx, chunk_size);
|
||||
i18n_log("Found context: " << context);
|
||||
break;
|
||||
}
|
||||
idx += chunk_size;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* The entries is constant by that time */
|
||||
const char *i18n_translate(const char *s, const std::string &context)
|
||||
{
|
||||
const std::string key = context + std::string("", 1) + s;
|
||||
std::map<std::string,std::string>::const_iterator i = i18n_entries.find(key);
|
||||
if (i == i18n_entries.end())
|
||||
return s;
|
||||
return (*i).second.c_str();
|
||||
}
|
||||
|
||||
|
Loading…
Reference in a new issue