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shada: Move '%' handling from shada_write to its own function

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shada_get_buflist finds all the relevant buffers and generates the
kSDItemBufferList ShadaEntry.
This commit is contained in:
James McCoy
2016-12-13 23:25:04 -05:00
parent 8c9cccbcb6
commit 966be42a2b
1 changed files with 51 additions and 38 deletions
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89
src/nvim/shada.c
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@@ -2318,6 +2318,56 @@ static inline ShaDaWriteResult shada_read_when_writing(
return ret;
}
/// Get list of buffers to write to the shada file
///
/// @param[in] removable_bufs Buffers which are ignored
///
/// @return ShadaEntry List of buffers to save, kSDItemBufferList entry.
static ShadaEntry shada_get_buflist(khash_t(bufset) *const removable_bufs)
FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT
{
int max_bufs = get_shada_parameter('%');
size_t buf_count = 0;
#define IGNORE_BUF(buf)\
(buf->b_ffname == NULL || !buf->b_p_bl || bt_quickfix(buf) \
|| in_bufset(removable_bufs, buf)) // NOLINT(whitespace/indent)
FOR_ALL_BUFFERS(buf) {
if (!IGNORE_BUF(buf) && (max_bufs < 0 || buf_count < (size_t)max_bufs)) {
buf_count++;
}
}
ShadaEntry buflist_entry = (ShadaEntry) {
.type = kSDItemBufferList,
.timestamp = os_time(),
.data = {
.buffer_list = {
.size = buf_count,
.buffers = xmalloc(buf_count
* sizeof(*buflist_entry.data.buffer_list.buffers)),
},
},
};
size_t i = 0;
FOR_ALL_BUFFERS(buf) {
if (IGNORE_BUF(buf)) {
continue;
}
if (i >= buf_count) {
break;
}
buflist_entry.data.buffer_list.buffers[i] = (struct buffer_list_buffer) {
.pos = buf->b_last_cursor.mark,
.fname = (char *)buf->b_ffname,
.additional_data = buf->additional_data,
};
i++;
}
#undef IGNORE_BUF
return buflist_entry;
}
/// Write ShaDa file
///
/// @param[in] sd_writer Structure containing file writer definition.
@@ -2424,50 +2474,13 @@ static ShaDaWriteResult shada_write(ShaDaWriteDef *const sd_writer,
// Write buffer list
if (find_shada_parameter('%') != NULL) {
int max_bufs = get_shada_parameter('%');
size_t buf_count = 0;
#define IGNORE_BUF(buf)\
(buf->b_ffname == NULL || !buf->b_p_bl || bt_quickfix(buf) \
|| in_bufset(&removable_bufs, buf))
FOR_ALL_BUFFERS(buf) {
if (!IGNORE_BUF(buf) && (max_bufs < 0 || buf_count < (size_t)max_bufs)) {
buf_count++;
}
}
ShadaEntry buflist_entry = (ShadaEntry) {
.type = kSDItemBufferList,
.timestamp = os_time(),
.data = {
.buffer_list = {
.size = buf_count,
.buffers = xmalloc(buf_count
* sizeof(*buflist_entry.data.buffer_list.buffers)),
},
},
};
size_t i = 0;
FOR_ALL_BUFFERS(buf) {
if (IGNORE_BUF(buf)) {
continue;
}
if (i >= buf_count) {
break;
}
buflist_entry.data.buffer_list.buffers[i] = (struct buffer_list_buffer) {
.pos = buf->b_last_cursor.mark,
.fname = (char *) buf->b_ffname,
.additional_data = buf->additional_data,
};
i++;
}
ShadaEntry buflist_entry = shada_get_buflist(&removable_bufs);
if (shada_pack_entry(packer, buflist_entry, 0) == kSDWriteFailed) {
xfree(buflist_entry.data.buffer_list.buffers);
ret = kSDWriteFailed;
goto shada_write_exit;
}
xfree(buflist_entry.data.buffer_list.buffers);
#undef IGNORE_BUF
}
// Write some of the variables