Method Clear

src/buffer.cpp:685–711

Clear this buffer. If it was previously not clear, it has been updated. Otherwise it is just reset to default state. A new buffer is always initially cleared.

// Clear this buffer.  If it was previously not clear, it has been updated.
// Otherwise it is just reset to default state.  A new buffer is always initially cleared.
void ZepBuffer::Clear()
{
    // A buffer that is empty is brand new; just make it 0 chars and return
    if (m_workingBuffer.size() <= 1)
    {
        m_workingBuffer.clear();
        m_workingBuffer.push_back(0);
        m_lineEnds.clear();
        m_fileFlags = ZSetFlags(m_fileFlags, FileFlags::TerminatedWithZero);
        m_lineEnds.push_back(End().Index() + 1);
        return;
    }

    // Inform clients we are about to change the buffer
    GetEditor().Broadcast(std::make_shared<BufferMessage>(this, BufferMessageType::PreBufferChange, GlyphIterator(this), End()));

    m_workingBuffer.clear();
    m_workingBuffer.push_back(0);
    m_lineEnds.clear();
    m_fileFlags = ZSetFlags(m_fileFlags, FileFlags::TerminatedWithZero);
    m_lineEnds.push_back(End().Index() + 1);

    {
        MarkUpdate();
        GetEditor().Broadcast(std::make_shared<BufferMessage>(this, BufferMessageType::TextDeleted, GlyphIterator(this), End()));
    }
}

// Replace the buffer with the text
void ZepBuffer::SetText(const std::string& text, bool initFromFile)