diff options
Diffstat (limited to 'vis-lua.c')
| -rw-r--r-- | vis-lua.c | 38 |
1 files changed, 38 insertions, 0 deletions
@@ -595,6 +595,43 @@ static int files_iter(lua_State *L) { } /*** + * Create an iterator over all mark names. + * @function mark_names + * @return the new iterator + * @usage + * local marks = vis.win.file.marks; + * for mark in vis:mark_names() do + * local pos = marks[mark] + * if pos then + * -- do something with mark pos + * end + * end + */ +static int mark_names_iter(lua_State *L); +static int mark_names(lua_State *L) { + enum VisMark *handle = lua_newuserdata(L, sizeof *handle); + *handle = 0; + lua_pushcclosure(L, mark_names_iter, 1); + return 1; +} + +static int mark_names_iter(lua_State *L) { + char mark = '\0'; + enum VisMark *handle = lua_touserdata(L, lua_upvalueindex(1)); + if (*handle < LENGTH(vis_marks)) + mark = vis_marks[*handle].name; + else if (VIS_MARK_a <= *handle && *handle <= VIS_MARK_z) + mark = 'a' + *handle - VIS_MARK_a; + if (mark) { + char name[2] = { mark, '\0' }; + lua_pushstring(L, name); + (*handle)++; + return 1; + } + return 0; +} + +/*** * Execute a `:`-command. * @function command * @tparam string command the command to execute @@ -984,6 +1021,7 @@ static int vis_index(lua_State *L) { static const struct luaL_Reg vis_lua[] = { { "files", files }, { "windows", windows }, + { "mark_names", mark_names }, { "command", command }, { "info", info }, { "message", message }, |