CWE-ou-minkata/Sources/Plasma/PubUtilLib/plResMgr/plLocalization.cpp

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*==LICENSE==*/
#include "HeadSpin.h"
#include "plLocalization.h"


plLocalization::Language plLocalization::fLanguage = plLocalization::kEnglish;

const char* plLocalization::fLangTags[] =
{
    "_eng", // kEnglish
    "_fre", // kFrench
    "_ger", // kGerman
    "_spa", // kSpanish
    "_ita", // kItalian
    "_jpn"  // kJapanese
};
const int kLangTagLen = 4;

// ISO 639, e.g. used in video tracks
std::set<plString> plLocalization::fLangCodes[] =
{
    {"eng", "en"},
    {"fre", "fra", "fr"},
    {"ger", "deu", "de"},
    {"spa", "es"},
    {"ita", "it"},
    {"jpn", "ja"}
};

const char* plLocalization::fLangNames[] =
{
    "English", // kEnglish
    "French",  // kFrench
    "German",  // kGerman
    "Spanish", // kSpanish
    "Italian", // kItalian
    "Japanese" // kJapanese
};

bool plLocalization::fUsesUnicode[] =
{
    false,  // kEnglish
    false,  // kFrench
    false,  // kGerman
    false,  // kSpanish
    false,  // kItalian
    true    // kJapanese
};

plLocalization::encodingTypes plLocalization::fUnicodeEncoding[] =
{
    Enc_Unencoded,  // kEnglish
    Enc_Unencoded,  // kFrench
    Enc_Unencoded,  // kGerman
    Enc_Unencoded,  // kSpanish
    Enc_Unencoded,  // kItalian
    Enc_UTF8,       // kJapanese
};

plFileName plLocalization::IGetLocalized(const plFileName& name, Language lang)
{
    int underscore = name.AsString().FindLast('_');

    if (underscore >= 0)
    {
        plString langTag = name.AsString().Substr(underscore, kLangTagLen);

        if (langTag == fLangTags[kEnglish])
            return name.AsString().Replace(fLangTags[kEnglish], fLangTags[lang]);
    }

    return "";
}

plFileName plLocalization::ExportGetLocalized(const plFileName& name, int lang)
{
    plFileName localizedName = IGetLocalized(name, Language(lang+1));
    if (plFileInfo(localizedName).Exists())
        return localizedName;

    return "";
}

std::string plLocalization::LocalToString(const std::vector<std::string> & localizedText)
{
    std::string retVal = "";
    for (int i=0; i<localizedText.size(); i++)
    {
        if (i > kNumLanguages-1)
            break;
        std::string langHeader = "$";
        std::string langName = GetLanguageName((Language)i);
        langHeader += langName.substr(0,2) + "$";
        retVal += langHeader + localizedText[i];
    }
    return retVal;
}

std::vector<std::string> plLocalization::StringToLocal(const std::string & localizedText)
{
    std::vector<std::string> retVal;
    wchar_t *temp = hsStringToWString(localizedText.c_str());
    std::wstring wLocalizedText = temp;
    delete [] temp;

    std::vector<std::wstring> wStringVector = StringToLocal(wLocalizedText);
    int i;
    for (i=0; i<wStringVector.size(); i++)
    {
        char *local = hsWStringToString(wStringVector[i].c_str());
        std::string val = local;
        delete [] local;
        retVal.push_back(val);
    }

    return retVal;
}

std::vector<std::wstring> plLocalization::StringToLocal(const std::wstring & localizedText)
{
    std::vector<std::wstring> tags;
    std::vector<int> tagLocs;
    std::vector<int> sortedTagLocs;
    std::vector<std::wstring> retVal;
    int i;
    for (i=0; i<kNumLanguages; i++)
    {
        std::wstring tag = L"$";
        std::string temp = GetLanguageName((Language)i);
        wchar_t *wTemp = hsStringToWString(temp.c_str());
        std::wstring langName = wTemp;
        delete [] wTemp;
        
        tag += langName.substr(0,2) + L"$";
        tags.push_back(tag);
        tagLocs.push_back(localizedText.find(tag));
        sortedTagLocs.push_back(i);
        retVal.push_back(L"");
    }
    for (i=0; i<kNumLanguages-1; i++)
    {
        for (int j=i; j<kNumLanguages; j++)
        {
            if (tagLocs[sortedTagLocs[i]] > tagLocs[sortedTagLocs[j]])
                sortedTagLocs[i]^=sortedTagLocs[j]^=sortedTagLocs[i]^=sortedTagLocs[j]; // swap the contents (yes, it works)
        }
    }
    // now sortedTagLocs has the indexes of tagLocs sorted from smallest loc to highest loc
    bool noTags = true;
    for (i=0; i<kNumLanguages; i++)
    {
        int lang = sortedTagLocs[i]; // the language we are extracting
        if (tagLocs[lang] != -1)
        {
            noTags = false; // at least one tag was found in the text
            int startLoc = tagLocs[lang] + tags[lang].length();
            int endLoc;
            if (i+1 == kNumLanguages)
                endLoc = localizedText.length();
            else
                endLoc = tagLocs[sortedTagLocs[i+1]];
            retVal[lang] = localizedText.substr(startLoc,endLoc-startLoc);
        }
    }
    if (noTags)
        retVal[0] = localizedText; // if no tags were in the text, we assume it to be English
    return retVal;
}