Method LoadData

3rdparty/simpleini/include/SimpleIni.h:1500–1583

template<class SI_CHAR, class SI_STRLESS, class SI_CONVERTER>
SI_Error
CSimpleIniTempl<SI_CHAR,SI_STRLESS,SI_CONVERTER>::LoadData(
    const char *    a_pData,
    size_t          a_uDataLen
    )
{
    if (!a_pData) {
        return SI_OK;
    }
    
    // if the UTF-8 BOM exists, consume it and set mode to unicode, if we have
    // already loaded data and try to change mode half-way through then this will
    // be ignored and we will assert in debug versions
    if (a_uDataLen >= 3 && memcmp(a_pData, SI_UTF8_SIGNATURE, 3) == 0) {
        a_pData    += 3;
        a_uDataLen -= 3;
        SI_ASSERT(m_bStoreIsUtf8 || !m_pData); // we don't expect mixed mode data
        SetUnicode();
    }

    if (a_uDataLen == 0) {
        return SI_OK;
    }

    // determine the length of the converted data
    SI_CONVERTER converter(m_bStoreIsUtf8);
    size_t uLen = converter.SizeFromStore(a_pData, a_uDataLen);
    if (uLen == (size_t)(-1)) {
        return SI_FAIL;
    }

    // check converted data size is within supported limits (SI_MAX_FILE_SIZE)
    if (uLen >= (SI_MAX_FILE_SIZE / sizeof(SI_CHAR))) {
        return SI_FILE;
    }

    // allocate memory for the data, ensure that there is a NULL
    // terminator wherever the converted data ends
    SI_CHAR * pData = new(std::nothrow) SI_CHAR[uLen + 1];
    if (!pData) {
        return SI_NOMEM;
    }
    memset(pData, 0, sizeof(SI_CHAR) * (uLen + 1));

    // convert the data
    if (!converter.ConvertFromStore(a_pData, a_uDataLen, pData, uLen)) {
        delete[] pData;
        return SI_FAIL;
    }

    // parse it
    const static SI_CHAR empty = 0;
    SI_CHAR * pWork = pData;
    const SI_CHAR * pSection = &empty;
    const SI_CHAR * pItem = NULL;
    const SI_CHAR * pVal = NULL;
    const SI_CHAR * pComment = NULL;