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GapBuffer takes separate buffer_size and size parameters

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This commit is contained in:
Josh Holtrop 2016-11-01 22:49:35 -04:00
parent 0cbc36c5ff
commit 1c62e41b26
3 changed files with 8 additions and 4 deletions
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1
src/core/Buffer.cc
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@ -57,6 +57,7 @@ bool Buffer::load_from_file(const char * filename)
size_t loaded_size;
text_loader.load_buffer(buffer, file_size, &loaded_size);
m_gap_buffer = std::make_shared<GapBuffer>(buffer, buffer_size, loaded_size);
m_eol_at_eof = text_loader.get_eol_at_eof();
return true;

8
src/core/GapBuffer.cc
View File

@ -4,16 +4,18 @@
GapBuffer::GapBuffer()
{
m_buffer = (uint8_t *)System::alloc_pages(1u);
m_size = System::page_size;
m_buffer_size = System::page_size;
m_size = 0u;
}
GapBuffer::GapBuffer(uint8_t * buffer, size_t size)
GapBuffer::GapBuffer(uint8_t * buffer, size_t buffer_size, size_t size)
{
m_buffer = buffer;
m_buffer_size = buffer_size;
m_size = size;
}
GapBuffer::~GapBuffer()
{
System::free_pages(m_buffer, m_size >> System::page_size_log);
System::free_pages(m_buffer, m_buffer_size >> System::page_size_log);
}

3
src/core/GapBuffer.h
View File

@ -8,11 +8,12 @@ class GapBuffer
{
public:
GapBuffer();
GapBuffer(uint8_t * buffer, size_t size);
GapBuffer(uint8_t * buffer, size_t buffer_size, size_t size);
~GapBuffer();
protected:
uint8_t * m_buffer;
size_t m_buffer_size;
size_t m_size;
};