Method LoadData

fdbclient/include/fdbclient/SimpleIni.h:1250–1319

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) {
	SI_CONVERTER converter(m_bStoreIsUtf8);

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

	// consume the UTF-8 BOM if it exists
	if (m_bStoreIsUtf8 && a_uDataLen >= 3) {
		if (memcmp(a_pData, SI_UTF8_SIGNATURE, 3) == 0) {
			a_pData += 3;
			a_uDataLen -= 3;
		}
	}

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

	// allocate memory for the data, ensure that there is a NULL
	// terminator wherever the converted data ends
	SI_CHAR* pData = new 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;

	// We copy the strings if we are loading data into this class when we
	// already have stored some.
	bool bCopyStrings = (m_pData != NULL);

	// find a file comment if it exists, this is a comment that starts at the
	// beginning of the file and continues until the first blank line.
	SI_Error rc = FindFileComment(pWork, bCopyStrings);
	if (rc < 0)
		return rc;

	// add every entry in the file to the data table
	while (FindEntry(pWork, pSection, pItem, pVal, pComment)) {
		rc = AddEntry(pSection, pItem, pVal, pComment, false, bCopyStrings);
		if (rc < 0)
			return rc;