tge/engine/i18n/lang.cc
2017-04-17 06:17:10 -06:00

421 lines
8.6 KiB
C++
Executable File

//-----------------------------------------------------------------------------
// Torque Game Engine
// Copyright (C) GarageGames.com, Inc.
//-----------------------------------------------------------------------------
#include "platform/platform.h"
#include "core/stream.h"
#include "core/fileStream.h"
#include "core/resManager.h"
#include "console/console.h"
#include "console/consoleInternal.h"
#include "console/ast.h"
#include "console/compiler.h"
#include "util/safeDelete.h"
#include "i18n/lang.h"
//////////////////////////////////////////////////////////////////////////
// LangFile Class
//////////////////////////////////////////////////////////////////////////
LangFile::LangFile(const UTF8 *langName /* = NULL */)
{
if(langName)
{
mLangName = new UTF8 [dStrlen(langName) + 1];
dStrcpy(mLangName, langName);
}
else
mLangName = NULL;
mLangFile = NULL;
}
LangFile::~LangFile()
{
// [tom, 3/1/2005] Note: If this is freed in FreeTable() then when the file
// is loaded, the language name will be blitzed.
// Programming after 36 hours without sleep != good.
SAFE_DELETE(mLangName);
SAFE_DELETE(mLangFile);
freeTable();
}
void LangFile::freeTable()
{
U32 i;
for(i = 0;i < mStringTable.size();i++)
{
if(mStringTable[i])
delete [] mStringTable[i];
}
mStringTable.clear();
}
bool LangFile::load(const UTF8 *filename)
{
Stream *pS;
bool bRet = false;
if(pS = ResourceManager->openStream((const char*)filename))
{
bRet = load(pS);
ResourceManager->closeStream(pS);
}
return bRet;
}
bool LangFile::load(Stream *s)
{
freeTable();
while(s->getStatus() != Stream::EOS)
{
char buf[256];
s->readString(buf);
addString((const UTF8*)buf);
}
return true;
}
bool LangFile::save(const UTF8 *filename)
{
FileStream fs;
bool bRet = false;
if(!isLoaded())
return false;
if(ResourceManager->openFileForWrite(fs, (const char*)filename))
{
bRet = save(&fs);
fs.close();
}
return bRet;
}
bool LangFile::save(Stream *s)
{
if(!isLoaded())
return false;
U32 i;
for(i = 0;i < mStringTable.size();i++)
{
s->writeString((char*)mStringTable[i]);
}
return true;
}
const UTF8 * LangFile::getString(U32 id)
{
if(id == LANG_INVALID_ID || id >= mStringTable.size())
return NULL;
return mStringTable[id];
}
U32 LangFile::addString(const UTF8 *str)
{
UTF8 *newstr = new UTF8 [dStrlen(str) + 1];
dStrcpy(newstr, str);
mStringTable.push_back(newstr);
return mStringTable.size() - 1;
}
void LangFile::setString(U32 id, const UTF8 *str)
{
if(id >= mStringTable.size())
mStringTable.setSize(id+1);
UTF8 *newstr = new UTF8 [dStrlen(str) + 1];
dStrcpy(newstr, str);
mStringTable[id] = newstr;
}
void LangFile::setLangName(const UTF8 *newName)
{
if(mLangName)
delete [] mLangName;
mLangName = new UTF8 [dStrlen(newName) + 1];
dStrcpy(mLangName, newName);
}
void LangFile::setLangFile(const UTF8 *langFile)
{
if(mLangFile)
delete [] mLangFile;
mLangFile = new UTF8 [dStrlen(langFile) + 1];
dStrcpy(mLangFile, langFile);
}
bool LangFile::activateLanguage()
{
if(isLoaded())
return true;
if(mLangFile)
{
return load(mLangFile);
}
return false;
}
void LangFile::deactivateLanguage()
{
if(mLangFile && isLoaded())
freeTable();
}
//////////////////////////////////////////////////////////////////////////
// LangTable Class
//////////////////////////////////////////////////////////////////////////
IMPLEMENT_CONOBJECT(LangTable);
LangTable::LangTable() : mDefaultLang(-1), mCurrentLang(-1)
{
}
LangTable::~LangTable()
{
S32 i;
for(i = 0;i < mLangTable.size();i++)
{
if(mLangTable[i])
delete mLangTable[i];
}
mLangTable.clear();
}
S32 LangTable::addLanguage(LangFile *lang, const UTF8 *name /* = NULL */)
{
if(name)
lang->setLangName(name);
mLangTable.push_back(lang);
if(mDefaultLang == -1)
setDefaultLanguage(mLangTable.size() - 1);
if(mCurrentLang == -1)
setCurrentLanguage(mLangTable.size() - 1);
return mLangTable.size() - 1;
}
S32 LangTable::addLanguage(const UTF8 *filename, const UTF8 *name /* = NULL */)
{
LangFile *pLang;
S32 ret = -1;
if(pLang = new LangFile(name))
{
if(bool(ResourceManager->find((const char*)filename)))
{
pLang->setLangFile(filename);
if((ret = addLanguage(pLang)) >= 0)
return ret;
}
delete pLang;
}
return -1;
}
const UTF8 *LangTable::getString(const U32 id) const
{
const UTF8 *s = NULL;
if(mCurrentLang >= 0)
s = mLangTable[mCurrentLang]->getString(id);
if(s == NULL && mDefaultLang >= 0 && mDefaultLang != mCurrentLang)
s = mLangTable[mDefaultLang]->getString(id);
return s;
}
const U32 LangTable::getStringLength(const U32 id) const
{
const UTF8 *s = getString(id);
if(s)
return dStrlen(s);
return 0;
}
void LangTable::setDefaultLanguage(S32 langid)
{
if(langid >= 0 && langid < mLangTable.size())
{
if(mLangTable[langid]->activateLanguage())
{
if(mDefaultLang >= 0)
mLangTable[mDefaultLang]->deactivateLanguage();
mDefaultLang = langid;
}
}
}
void LangTable::setCurrentLanguage(S32 langid)
{
if(langid >= 0 && langid < mLangTable.size())
{
if(mLangTable[langid]->activateLanguage())
{
Con::printf("Language %s [%s] activated.", mLangTable[langid]->getLangName(), mLangTable[langid]->getLangFile());
if(mCurrentLang >= 0 && mCurrentLang != mDefaultLang)
{
mLangTable[mCurrentLang]->deactivateLanguage();
Con::printf("Language %s [%s] deactivated.", mLangTable[mCurrentLang]->getLangName(), mLangTable[mCurrentLang]->getLangFile());
}
mCurrentLang = langid;
}
}
}
//////////////////////////////////////////////////////////////////////////
// LangTable Console Methods
//////////////////////////////////////////////////////////////////////////
ConsoleMethod(LangTable, addLanguage, S32, 3, 4, "(string filename, [string languageName])")
{
UTF8 scriptFilenameBuffer[1024];
Con::expandScriptFilename((char*)scriptFilenameBuffer, sizeof(scriptFilenameBuffer), argv[2]);
return object->addLanguage(scriptFilenameBuffer, argc == 4 ? (const UTF8*)argv[3] : NULL);
}
ConsoleMethod(LangTable, getString, const char *, 3, 3, "(string filename)")
{
char *ret;
const char *str;
if(str = (const char*)object->getString(dAtoi(argv[2])))
{
ret = Con::getReturnBuffer(dStrlen(str) + 1);
dStrcpy(ret, str);
return ret;
}
return "";
}
ConsoleMethod(LangTable, setDefaultLanguage, void, 3, 3, "(int language)")
{
object->setDefaultLanguage(dAtoi(argv[2]));
}
ConsoleMethod(LangTable, setCurrentLanguage, void, 3, 3, "(int language)")
{
object->setCurrentLanguage(dAtoi(argv[2]));
}
ConsoleMethod(LangTable, getCurrentLanguage, S32, 2, 2, "()")
{
return object->getCurrentLanguage();
}
ConsoleMethod(LangTable, getLangName, const char *, 3, 3, "(int language)")
{
char *ret;
const char *str;
if(str = (const char*)object->getLangName(dAtoi(argv[2])))
{
ret = Con::getReturnBuffer(dStrlen(str) + 1);
dStrcpy(ret, str);
return ret;
}
return "";
}
ConsoleMethod(LangTable, getNumLang, S32, 2, 2, "()")
{
return object->getNumLang();
}
//////////////////////////////////////////////////////////////////////////
// Support Functions
//////////////////////////////////////////////////////////////////////////
UTF8 *sanitiseVarName(const UTF8 *varName, UTF8 *buffer, U32 bufsize)
{
if(! varName || bufsize < 10) // [tom, 3/3/2005] bufsize check gives room to be lazy below
{
*buffer = 0;
return NULL;
}
dStrcpy(buffer, (const UTF8*)"I18N::");
UTF8 *dptr = buffer + 6;
const UTF8 *sptr = varName;
while(*sptr)
{
if(dIsalnum(*sptr))
*dptr++ = *sptr++;
else
{
if(*(dptr - 1) != '_')
*dptr++ = '_';
sptr++;
}
if((dptr - buffer) >= (bufsize - 1))
break;
}
*dptr = 0;
return buffer;
}
UTF8 *getCurrentModVarName(UTF8 *buffer, U32 bufsize)
{
char varName[256];
StringTableEntry cbName = CodeBlock::getCurrentCodeBlockName();
const UTF8 *slash = (const UTF8*)dStrchr(cbName, '/');
if (slash == NULL)
{
Con::errorf("Illegal CodeBlock path detected in sanitiseVarName() (no mod directory): %s", cbName);
return NULL;
}
dStrncpy(varName, cbName, slash - (const UTF8*)cbName);
varName[slash - (const UTF8*)cbName] = 0;
return sanitiseVarName((UTF8*)varName, buffer, bufsize);
}
const LangTable *getCurrentModLangTable()
{
UTF8 saneVarName[256];
if(getCurrentModVarName(saneVarName, sizeof(saneVarName)))
{
const LangTable *lt = dynamic_cast<LangTable *>(Sim::findObject(Con::getIntVariable((const char*)saneVarName)));
return lt;
}
return NULL;
}
const LangTable *getModLangTable(const UTF8 *mod)
{
UTF8 saneVarName[256];
if(sanitiseVarName(mod, saneVarName, sizeof(saneVarName)))
{
const LangTable *lt = dynamic_cast<LangTable *>(Sim::findObject(Con::getIntVariable((const char*)saneVarName)));
return lt;
}
return NULL;
}