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/* Copyright 2007, 2008 Peter Klausler. See COPYING for license. */
#include "all.h"
static struct buffer **clip_buffer;
static unsigned clip_buffers;
void clip_init(unsigned reg)
{
if (reg < clip_buffers)
buffer_delete(clip_buffer[reg], 0, ~(size_t)0);
}
size_t clip(unsigned reg, struct view *view, position_t offset,
size_t bytes, Boolean_t append)
{
char *raw;
if (reg >= clip_buffers) {
clip_buffer = reallocate(clip_buffer,
(reg+1) * sizeof *clip_buffer);
memset(clip_buffer + clip_buffers, 0,
(reg + 1 - clip_buffers) * sizeof *clip_buffer);
clip_buffers = reg + 1;
}
if (!clip_buffer[reg])
clip_buffer[reg] = buffer_create(NULL);
bytes = view_raw(view, &raw, offset, bytes);
return buffer_insert(clip_buffer[reg], raw,
append ? buffer_bytes(clip_buffer[reg]) : 0,
bytes);
}
size_t clip_paste(struct view *view, position_t offset, unsigned reg)
{
char *raw;
size_t bytes;
if (reg >= clip_buffers)
return 0;
bytes = buffer_raw(clip_buffer[reg], &raw, 0,
buffer_bytes(clip_buffer[reg]));
return view_insert(view, raw, offset, bytes);
}
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