Method Find

src/buffer.cpp:323–372

}

GlyphIterator ZepBuffer::Find(GlyphIterator start, const uint8_t* pBeginString, const uint8_t* pEndString) const
{
    // Should be a valid start
    assert(start.Valid());
    assert(pBeginString != nullptr);

    if (!start.Valid() && pBeginString)
    {
        return start;
    }

    // Find the end of the test string
    if (pEndString == nullptr)
    {
        pEndString = pBeginString;
        while (*pEndString != 0)
        {
            pEndString++;
        }
    }

    auto itrBuffer = start;
    auto itrEnd = End();
    while (itrBuffer != itrEnd)
    {
        auto itrNext = itrBuffer;

        // Loop the string and match it to the buffer
        auto pCurrent = pBeginString;
        while (pCurrent != pEndString && itrNext != itrEnd)
        {
            if (*pCurrent != itrNext.Char())
            {
                break;
            }
            pCurrent++;
            itrNext++;
        };

        // We successfully got to the end
        if (pCurrent == pEndString)
        {
            return itrBuffer;
        }

        itrBuffer++;
    };

    return GlyphIterator();
}

GlyphIterator ZepBuffer::FindOnLineMotion(GlyphIterator start, const uint8_t* pCh, Direction dir) const
{