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lua: support getting UTF-32 and UTF-16 sizes of replaced text

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This commit is contained in:
Björn Linse
2019-08-04 12:22:22 +02:00
parent b0e26199ec
commit c0993ed343
10 changed files with 192 additions and 30 deletions
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16
src/nvim/buffer_updates.c
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@@ -26,6 +26,9 @@ bool buf_updates_register(buf_T *buf, uint64_t channel_id,
if (channel_id == LUA_INTERNAL_CALL) {
kv_push(buf->update_callbacks, cb);
if (cb.utf_sizes) {
buf->update_need_codepoints = true;
}
return true;
}
@@ -169,7 +172,9 @@ void buf_updates_send_changes(buf_T *buf,
int64_t num_removed,
bool send_tick)
{
size_t deleted_bytes = ml_flush_deleted_bytes(buf);
size_t deleted_codepoints, deleted_codeunits;
size_t deleted_bytes = ml_flush_deleted_bytes(buf, &deleted_codepoints,
&deleted_codeunits);
if (!buf_updates_active(buf)) {
return;
@@ -233,8 +238,8 @@ void buf_updates_send_changes(buf_T *buf,
bool keep = true;
if (cb.on_lines != LUA_NOREF) {
Array args = ARRAY_DICT_INIT;
Object items[6];
args.size = 6;
Object items[8];
args.size = 6; // may be increased to 8 below
args.items = items;
// the first argument is always the buffer handle
@@ -254,6 +259,11 @@ void buf_updates_send_changes(buf_T *buf,
// byte count of previous contents
args.items[5] = INTEGER_OBJ((Integer)deleted_bytes);
if (cb.utf_sizes) {
args.size = 8;
args.items[6] = INTEGER_OBJ((Integer)deleted_codepoints);
args.items[7] = INTEGER_OBJ((Integer)deleted_codeunits);
}
textlock++;
Object res = executor_exec_lua_cb(cb.on_lines, "lines", args, true);
textlock--;