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Make the rewrap algorithm re-useable for rewrapping of HistoryBuf as well

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Kovid Goyal
2016-11-20 22:22:39 +05:30
parent 776224378d
commit 5dccb91996
3 changed files with 106 additions and 47 deletions
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31
kitty/history.c
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@@ -163,8 +163,37 @@ PyTypeObject HistoryBuf_Type = {
};
INIT_TYPE(HistoryBuf)
// }}}
HistoryBuf *alloc_historybuf(unsigned int lines, unsigned int columns) {
return (HistoryBuf*)new(&HistoryBuf_Type, Py_BuildValue("II", lines, columns), NULL);
}
// }}}
#define BufType HistoryBuf
#define map_src_index(y) ((src->start_of_data + y) % src->ynum)
#define init_src_line(src_y) init_line(src, map_src_index(src_y), src->line);
#define is_src_line_continued(src_y) (map_src_index(src_y) < src->ynum - 1 ? *(start_of(src, map_src_index(src_y + 1))) : false)
#define next_dest_line(cont) historybuf_push(dest); dest->line->continued = cont;
#define first_dest_line next_dest_line(false);
#include "rewrap.h"
void historybuf_rewrap(HistoryBuf *self, HistoryBuf *other) {
// Fast path
if (other->xnum == self->xnum && other->ynum == self->ynum) {
Py_BEGIN_ALLOW_THREADS;
memcpy(other->buf, self->buf, CELL_SIZE_H * self->xnum * self->ynum);
other->count = self->count; other->start_of_data = self->start_of_data;
Py_END_ALLOW_THREADS;
return;
}
other->count = 0; other->start_of_data = 0;
if (self->count > 0) rewrap_inner(self, other, self->count, NULL);
}