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Diffstat (limited to 'src/ld-lua.c')
-rw-r--r--src/ld-lua.c59
1 files changed, 57 insertions, 2 deletions
diff --git a/src/ld-lua.c b/src/ld-lua.c
index 746d2f9..47f2a40 100644
--- a/src/ld-lua.c
+++ b/src/ld-lua.c
@@ -92,6 +92,8 @@ static int ld_lua_logdiag_register (lua_State *L);
static int process_registration (lua_State *L);
static gchar *get_translation (lua_State *L, int index);
static gboolean read_symbol_area (lua_State *L, int index, LdRectangle *area);
+static gboolean read_terminals (lua_State *L, int index,
+ LdPointArray **terminals);
static void push_cairo_object (lua_State *L, LdLuaDrawData *draw_data);
static gdouble get_cairo_scale (cairo_t *cr);
@@ -474,8 +476,8 @@ process_registration (lua_State *L)
if (!read_symbol_area (L, 3, &symbol->priv->area))
return luaL_error (L, "Malformed symbol area array.");
-
- /* TODO: Read and set the terminals. */
+ if (!read_terminals (L, 4, &symbol->priv->terminals))
+ return luaL_error (L, "Malformed terminals array.");
lua_getfield (L, LUA_REGISTRYINDEX, LD_LUA_SYMBOLS_INDEX);
lua_pushlightuserdata (L, symbol);
@@ -561,9 +563,62 @@ read_symbol_area (lua_State *L, int index, LdRectangle *area)
area->width = ABS (x2 - x1);
area->height = ABS (y2 - y1);
+ lua_pop (L, 4);
+ return TRUE;
+}
+
+/*
+ * read_terminals:
+ * @L: A Lua state.
+ * @index: Stack index of the table.
+ * @area: Where the point array will be returned.
+ *
+ * Read symbol terminals from a Lua table.
+ *
+ * Return value: TRUE on success, FALSE on failure.
+ */
+static gboolean
+read_terminals (lua_State *L, int index, LdPointArray **terminals)
+{
+ LdPointArray *points;
+ size_t num_points;
+ unsigned i = 0;
+
+ num_points = lua_objlen (L, index);
+ points = ld_point_array_new (num_points);
+
+ lua_pushnil (L);
+ while (lua_next (L, index) != 0)
+ {
+ g_assert (i < num_points);
+
+ if (!lua_istable (L, -1) || lua_objlen (L, -1) != 2)
+ goto read_terminals_fail;
+
+ lua_rawgeti (L, -1, 1);
+ if (!lua_isnumber (L, -1))
+ goto read_terminals_fail;
+ points->points[i].x = lua_tonumber (L, -1);
+ lua_pop (L, 1);
+
+ lua_rawgeti (L, -1, 2);
+ if (!lua_isnumber (L, -1))
+ goto read_terminals_fail;
+ points->points[i].y = lua_tonumber (L, -1);
+
+ lua_pop (L, 2);
+ i++;
+ }
+ *terminals = points;
return TRUE;
+
+read_terminals_fail:
+ ld_point_array_free (points);
+ *terminals = NULL;
+ return FALSE;
}
+
/* ===== Cairo ============================================================= */
static void