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move GapBuffer::copy_to() implementation out of header file

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This commit is contained in:
Josh Holtrop 2017-01-14 16:54:53 -05:00
parent f7e077d8ef
commit 0ab26dea2f
2 changed files with 23 additions and 21 deletions
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22
src/core/GapBuffer.cc
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@ -91,3 +91,25 @@ void GapBuffer::move_gap(size_t position)
m_gap_position = position; m_gap_position = position;
} }
} }
void GapBuffer::copy_to(size_t source_position, size_t length, GapBuffer & other, size_t destination_position)
{
if ((source_position < m_size) &&
(length > 0u) &&
((source_position + length) <= m_size))
{
if ((m_gap_position <= source_position) ||
(m_gap_position >= (source_position + length)))
{
/* The gap is before or after the range of data to copy. */
other.insert(destination_position, address(source_position), length);
}
else
{
/* The gap is in the middle of the range of data to copy. */
size_t pre_gap_size = m_gap_position - source_position;
other.insert(destination_position, address(source_position), pre_gap_size);
other.insert(destination_position + pre_gap_size, address(source_position + pre_gap_size), length - pre_gap_size);
}
}
}

22
src/core/GapBuffer.h
View File

@ -111,27 +111,7 @@ public:
* @param destination_position * @param destination_position
* Position in the destination GapBuffer to copy the data to. * Position in the destination GapBuffer to copy the data to.
*/ */
void copy_to(size_t source_position, size_t length, GapBuffer & other, size_t destination_position) void copy_to(size_t source_position, size_t length, GapBuffer & other, size_t destination_position);
{
if ((source_position < m_size) &&
(length > 0u) &&
((source_position + length) <= m_size))
{
if ((m_gap_position <= source_position) ||
(m_gap_position >= (source_position + length)))
{
/* The gap is before or after the range of data to copy. */
other.insert(destination_position, address(source_position), length);
}
else
{
/* The gap is in the middle of the range of data to copy. */
size_t pre_gap_size = m_gap_position - source_position;
other.insert(destination_position, address(source_position), pre_gap_size);
other.insert(destination_position + pre_gap_size, address(source_position + pre_gap_size), length - pre_gap_size);
}
}
}
protected: protected:
/** Address of the allocated memory buffer. */ /** Address of the allocated memory buffer. */