From 6989f12a81529f617be367d2ec0b8ac11b90adee Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sun, 21 Mar 2021 12:29:47 -0400
Subject: map: Parse <map> children

---
(limited to 'src/map.c')

diff --git a/src/map.c b/src/map.c
index 9028354..123491b 100644
--- a/src/map.c
+++ b/src/map.c
@@ -35,6 +35,7 @@ struct db_map {
 	Uint8 bg_r;
 	Uint8 bg_g;
 	Uint8 bg_b;
+	int   fr;
 };
 
 static char *
@@ -84,8 +85,153 @@ _db_tmx_invalid_start(void *pv, const char *name,
 }
 
 static void XMLCALL
+_db_tmx_property_end(void *pv, const char *name)
+{
+	XML_Parser p;
+
+	db_dbg("      </%s> (property)", name);
+
+	p = (XML_Parser) pv;
+
+	if (db_xml_check_tag(name, "property")) {
+		db_xml_node_pop(p);
+	} else {
+		db_xml_unexpected_end_tag(p, name, "property");
+	}
+}
+
+static void XMLCALL
+_db_tmx_property_start(void *pv, const char *name, const char **attr)
+{
+	XML_Parser     p;
+	struct db_map *map;
+	char          *p_name;
+	char          *p_type;
+
+	db_dbg("      <%s> (property)", name);
+
+	p = (XML_Parser) pv;
+	map = db_xml_node_peek(p);
+
+	if (db_xml_check_tag(name, "property")) {
+		db_xml_get_string_attr(p, attr, "name", &p_name, 1);
+		db_xml_get_string_attr(p, attr, "type", &p_type, 1);
+		if (strcmp(p_name, "framerate") == 0) {
+			if (strcmp(p_type, "int") != 0) {
+				db_err("Framerate must be an integer");
+				free(p_name);
+				free(p_type);
+				XML_StopParser(p, XML_FALSE);
+				return;
+			}
+			db_xml_get_int_attr(p, attr, "value", &map->fr,  1);
+			db_dbg("          Framerate: %d", map->fr);
+		} else {
+			db_dbg("Skipping unknown property \"%s\"", p_name);
+		}
+		free(p_name);
+		free(p_type);
+		db_xml_node_push(p, map, _db_tmx_invalid_start,
+				_db_tmx_property_end, NULL);
+	} else {
+		db_xml_unexpected_start_tag(p, name, "property");
+	}
+}
+
+static void XMLCALL
+_db_tmx_properties_end(void *pv, const char *name)
+{
+	XML_Parser p;
+
+	db_dbg("    </%s> (properties)", name);
+
+	p = (XML_Parser) pv;
+
+	if (db_xml_check_tag(name, "properties")) {
+		db_xml_node_pop(p);
+	} else {
+		db_xml_unexpected_end_tag(p, name, "properties");
+	}
+}
+
+static void XMLCALL
+_db_tmx_tileset_end(void *pv, const char *name)
+{
+	XML_Parser p;
+
+	db_dbg("    </%s> (tileset)", name);
+
+	p = (XML_Parser) pv;
+
+	if (db_xml_check_tag(name, "tileset")) {
+		db_xml_node_pop(p);
+	} else {
+		db_xml_unexpected_end_tag(p, name, "tileset");
+	}
+}
+
+static void XMLCALL
+_db_tmx_layer_end(void *pv, const char *name)
+{
+	XML_Parser p;
+
+	db_dbg("    </%s> (layer)", name);
+
+	p = (XML_Parser) pv;
+
+	if (db_xml_check_tag(name, "layer")) {
+		db_xml_node_pop(p);
+	} else {
+		db_xml_unexpected_end_tag(p, name, "layer");
+	}
+}
+
+static void XMLCALL
+_db_tmx_objectgroup_end(void *pv, const char *name)
+{
+	XML_Parser p;
+
+	db_dbg("    </%s> (objectgroup)", name);
+
+	p = (XML_Parser) pv;
+
+	if (db_xml_check_tag(name, "objectgroup")) {
+		db_xml_node_pop(p);
+	} else {
+		db_xml_unexpected_end_tag(p, name, "objectgroup");
+	}
+}
+
+static void XMLCALL
 _db_tmx_map_el_start(void *pv, const char *name, const char **attr)
 {
+	XML_Parser     p;
+	struct db_map *map;
+
+	db_dbg("    <%s> (map child)", name);
+
+	p = (XML_Parser) pv;
+	map = db_xml_node_peek(p);
+
+	if (db_xml_check_tag(name, "properties")) {
+		db_xml_node_push(p, map, _db_tmx_property_start,
+				_db_tmx_properties_end, NULL);
+	} else if (db_xml_check_tag(name, "tileset")) {
+		/* TODO: attr */
+		db_xml_node_push(p, map, _db_tmx_invalid_start,
+				_db_tmx_tileset_end, NULL);
+	} else if (db_xml_check_tag(name, "layer")) {
+		/* TODO: data */
+		db_xml_node_push(p, map, _db_tmx_invalid_start,
+				_db_tmx_layer_end, NULL);
+	} else if (db_xml_check_tag(name, "objectgroup")) {
+		/* TODO: object */
+		db_xml_node_push(p, map, _db_tmx_invalid_start,
+				_db_tmx_objectgroup_end, NULL);
+	} else {
+		db_xml_unexpected_start_tag(p, name,
+				"properties, tileset, layer, or objectgroup");
+	}
 }
 
 static void XMLCALL
@@ -150,8 +296,8 @@ _db_tmx_map_start(void *pv, const char *name, const char **attr)
 			XML_StopParser(p, XML_FALSE);
 			return;
 		}
-		db_dbg("Map size:  %dx%d px", map->w,  map->h);
-		db_dbg("Tile size: %dx%d px", map->tw, map->th);
+		db_dbg("      Map size:  %dx%d px", map->w,  map->h);
+		db_dbg("      Tile size: %dx%d px", map->tw, map->th);
 		/* Get and check background color */
 		db_xml_get_string_attr(p, attr, "backgroundcolor",
 				&backgroundcolor, 1);
@@ -164,7 +310,7 @@ _db_tmx_map_start(void *pv, const char *name, const char **attr)
 		map->bg_r = bg_r;
 		map->bg_g = bg_g;
 		map->bg_b = bg_b;
-		db_dbg("Map background color: (0x%02x, 0x%02x, 0x%02x)",
+		db_dbg("      Background color: (0x%02x, 0x%02x, 0x%02x)",
 				map->bg_r, map->bg_g, map->bg_b);
 		db_xml_node_push(p, map, _db_tmx_map_el_start,
 				_db_tmx_map_end, NULL);
--
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