bool TranslationManager::openTranslationsFile(const FSNode &node, File &inFile, int depth) {
if (!node.exists() || !node.isReadable() || !node.isDirectory())
return false;
// Check if we can find the file in this directory
// Since File::open(FSNode) makes all the needed tests, it is not really
// necessary to make them here. But it avoid printing warnings.
FSNode fileNode = node.getChild("translations.dat");
if (fileNode.exists() && fileNode.isReadable() && !fileNode.isDirectory()) {
if (inFile.open(fileNode)) {
if (checkHeader(inFile))
return true;
inFile.close();
}
}
// Check if we exceeded the given recursion depth
if (depth - 1 == -1)
return false;
// Otherwise look for it in sub-directories
FSList fileList;
if (!node.getChildren(fileList, FSNode::kListDirectoriesOnly))
return false;
for (FSList::iterator i = fileList.begin(); i != fileList.end(); ++i) {
if (openTranslationsFile(*i, inFile, depth == -1 ? - 1 : depth - 1))
return true;
}
// Not found in this directory or its sub-directories
return false;
}
void TranslationManager::loadLanguageDat(int index) {
_currentTranslationMessages.clear();
_currentCharset.clear();
// Sanity check
if (index < 0 || index >= (int)_langs.size()) {
if (index != -1)
warning("Invalid language index %d passed to TranslationManager::loadLanguageDat", index);
return;
}
File in;
if (!openTranslationsFile(in))
return;
if (!checkHeader(in))
return;
char buf[1024];
int len;
// Get number of translations
int nbTranslations = in.readUint16BE();
if (nbTranslations != (int)_langs.size()) {
warning("The 'translations.dat' file has changed since starting ScummVM. GUI translation will not be available");
return;
}
// Get size of blocks to skip.
int skipSize = 0;
for (int i = 0; i < index + 2; ++i)
skipSize += in.readUint16BE();
// We also need to skip the remaining block sizes
skipSize += 2 * (nbTranslations - index);
// Seek to start of block we want to read
in.seek(skipSize, SEEK_CUR);
// Read number of translated messages
int nbMessages = in.readUint16BE();
_currentTranslationMessages.resize(nbMessages);
// Read charset
len = in.readUint16BE();
in.read(buf, len);
_currentCharset = String(buf, len - 1);
// Read messages
for (int i = 0; i < nbMessages; ++i) {
_currentTranslationMessages[i].msgid = in.readUint16BE();
len = in.readUint16BE();
in.read(buf, len);
_currentTranslationMessages[i].msgstr = String(buf, len - 1);
len = in.readUint16BE();
if (len > 0) {
in.read(buf, len);
_currentTranslationMessages[i].msgctxt = String(buf, len - 1);
}
}
}
void TranslationManager::loadTranslationsInfoDat() {
File in;
if (!openTranslationsFile(in)) {
warning("You are missing a valid 'translations.dat' file. GUI translation will not be available");
return;
}
char buf[256];
int len;
// Get number of translations
int nbTranslations = in.readUint16BE();
// Get number of codepages
int nbCodepages = in.readUint16BE();
// Determine where the codepages start
_charmapStart = 0;
for (int i = 0; i < nbTranslations + 3; ++i)
_charmapStart += in.readUint16BE();
_charmapStart += in.pos();
// Read list of languages
_langs.resize(nbTranslations);
_langNames.resize(nbTranslations);
for (int i = 0; i < nbTranslations; ++i) {
len = in.readUint16BE();
in.read(buf, len);
_langs[i] = String(buf, len - 1);
len = in.readUint16BE();
in.read(buf, len);
_langNames[i] = String(buf, len - 1);
}
// Read list of codepages
_charmaps.resize(nbCodepages);
for (int i = 0; i < nbCodepages; ++i) {
len = in.readUint16BE();
in.read(buf, len);
_charmaps[i] = String(buf, len - 1);
}
// Read messages
int numMessages = in.readUint16BE();
_messageIds.resize(numMessages);
for (int i = 0; i < numMessages; ++i) {
len = in.readUint16BE();
String msg;
while (len > 0) {
in.read(buf, len > 256 ? 256 : len);
msg += String(buf, len > 256 ? 256 : len - 1);
len -= 256;
}
_messageIds[i] = msg;
}
}
bool TranslationManager::openTranslationsFile(File& inFile) {
// First try to open it directly (i.e. using the SearchMan).
if (inFile.open("translations.dat"))
return true;
// Then look in the Themepath if we can find the file.
if (ConfMan.hasKey("themepath"))
return openTranslationsFile(FSNode(ConfMan.get("themepath")), inFile);
return false;
}
bool TranslationManager::openTranslationsFile(File &inFile) {
// First look in the Themepath if we can find the file.
if (ConfMan.hasKey("themepath") && openTranslationsFile(FSNode(ConfMan.get("themepath")), inFile))
return true;
// Then try to open it using the SearchMan.
ArchiveMemberList fileList;
SearchMan.listMatchingMembers(fileList, "translations.dat");
for (ArchiveMemberList::iterator it = fileList.begin(); it != fileList.end(); ++it) {
SeekableReadStream *stream = it->get()->createReadStream();
if (stream && inFile.open(stream, it->get()->getName())) {
if (checkHeader(inFile))
return true;
inFile.close();
}
}
return false;
}
void TranslationManager::loadTranslationsInfoDat() {
File in;
if (!openTranslationsFile(in)) {
warning("You are missing the 'translations.dat' file. GUI translation will not be available");
return;
}
if (!checkHeader(in))
return;
char buf[256];
int len;
// Get number of translations
int nbTranslations = in.readUint16BE();
// Skip all the block sizes
for (int i = 0; i < nbTranslations + 2; ++i)
in.readUint16BE();
// Read list of languages
_langs.resize(nbTranslations);
_langNames.resize(nbTranslations);
for (int i = 0; i < nbTranslations; ++i) {
len = in.readUint16BE();
in.read(buf, len);
_langs[i] = String(buf, len - 1);
len = in.readUint16BE();
in.read(buf, len);
_langNames[i] = String(buf, len - 1);
}
// Read messages
int numMessages = in.readUint16BE();
_messageIds.resize(numMessages);
for (int i = 0; i < numMessages; ++i) {
len = in.readUint16BE();
in.read(buf, len);
_messageIds[i] = String(buf, len - 1);
}
}
void TranslationManager::loadLanguageDat(int index) {
_currentTranslationMessages.clear();
_currentCharset.clear();
// Sanity check
if (index < 0 || index >= (int)_langs.size()) {
if (index != -1)
warning("Invalid language index %d passed to TranslationManager::loadLanguageDat", index);
return;
}
File in;
if (!openTranslationsFile(in))
return;
char buf[1024];
int len;
// Get number of translations
int nbTranslations = in.readUint16BE();
if (nbTranslations != (int)_langs.size()) {
warning("The 'translations.dat' file has changed since starting ResidualVM. GUI translation will not be available");
return;
}
// Get the number of codepages
int nbCodepages = in.readUint16BE();
if (nbCodepages != (int)_charmaps.size()) {
warning("The 'translations.dat' file has changed since starting ResidualVM. GUI translation will not be available");
return;
}
// Get size of blocks to skip.
int skipSize = 0;
for (int i = 0; i < index + 3; ++i)
skipSize += in.readUint16BE();
// We also need to skip the remaining block sizes
skipSize += 2 * (nbTranslations - index);
// Seek to start of block we want to read
in.seek(skipSize, SEEK_CUR);
// Read number of translated messages
int nbMessages = in.readUint16BE();
_currentTranslationMessages.resize(nbMessages);
// Read charset
len = in.readUint16BE();
in.read(buf, len);
_currentCharset = String(buf, len - 1);
// Read messages
for (int i = 0; i < nbMessages; ++i) {
_currentTranslationMessages[i].msgid = in.readUint16BE();
len = in.readUint16BE();
String msg;
while (len > 0) {
in.read(buf, len > 256 ? 256 : len);
msg += String(buf, len > 256 ? 256 : len - 1);
len -= 256;
}
_currentTranslationMessages[i].msgstr = msg;
len = in.readUint16BE();
if (len > 0) {
in.read(buf, len);
_currentTranslationMessages[i].msgctxt = String(buf, len - 1);
}
}
// Find the charset
int charmapNum = -1;
for (uint i = 0; i < _charmaps.size(); ++i) {
if (_charmaps[i].equalsIgnoreCase(_currentCharset)) {
charmapNum = i;
break;
}
}
// Setup the new charset mapping
if (charmapNum == -1) {
delete[] _charmap;
_charmap = nullptr;
} else {
if (!_charmap)
_charmap = new uint32[256];
in.seek(_charmapStart + charmapNum * 256 * 4, SEEK_SET);
for (int i = 0; i < 256; ++i)
_charmap[i] = in.readUint32BE();
}
}
