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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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11
src/nvim/api/buffer.c
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@@ -109,9 +109,11 @@ String buffer_get_line(Buffer buffer, Integer index, Error *err)
/// `nvim_buf_lines_event`. Otherwise, the first notification will be
/// a `nvim_buf_changedtick_event`. Not used for lua callbacks.
/// @param opts Optional parameters.
/// `on_lines`: lua callback received on change.
/// `on_lines`: lua callback received on change.
/// `on_changedtick`: lua callback received on changedtick
/// increment without text change.
/// `utf_sizes`: include UTF-32 and UTF-16 size of
/// the replaced region.
/// See |api-buffer-updates-lua| for more information
/// @param[out] err Error details, if any
/// @return False when updates couldn't be enabled because the buffer isn't
@@ -156,6 +158,12 @@ Boolean nvim_buf_attach(uint64_t channel_id,
}
cb.on_detach = v->data.luaref;
v->data.integer = LUA_NOREF;
} else if (is_lua && strequal("utf_sizes", k.data)) {
if (v->type != kObjectTypeBoolean) {
api_set_error(err, kErrorTypeValidation, "utf_sizes must be boolean");
goto error;
}
cb.utf_sizes = v->data.boolean;
} else {
api_set_error(err, kErrorTypeValidation, "unexpected key: %s", k.data);
goto error;
@@ -1196,6 +1204,7 @@ Dictionary nvim__buf_stats(Buffer buffer, Error *err)
// NB: this should be zero at any time API functions are called,
// this exists to debug issues
PUT(rv, "dirty_bytes", INTEGER_OBJ((Integer)buf->deleted_bytes));
return rv;
}