bool DomNode::operator ==(const DomNode &other) const { if (is_null() || other.is_null()) return is_null() == other.is_null(); else return impl->node_index == other.impl->node_index; }
DomElement DomElement::get_next_sibling_element() const { DomNode node = get_next_sibling(); while (!node.is_null() && !node.is_element()) node = node.get_next_sibling(); return node.to_element(); }
void TexturePacker::process_resource(Canvas &canvas, Resource &item_resource, std::vector<Subtexture> &packed_sub_textures, std::map<Texture, std::string> &generated_texture_filenames, int &generated_texture_index, const std::string &image_pathname ) { // Found a sprite resource, lets modify its content! Resource resource = item_resource; // Iterate through all nodes, and remove all previous image tags DomElement &element = resource.get_element(); DomNode cur = element.get_first_child(); while (!cur.is_null()) { DomNode next = cur.get_next_sibling(); DomNode::NodeType nodeType = (DomNode::NodeType)cur.get_node_type(); // Only remove the <image> tag, as we want to keep the other sprite attributes if (cur.get_node_name() == "image") element.remove_child(cur); cur = next; } // Add new image tag to resource DOM std::vector<Subtexture>::size_type index, size; size = packed_sub_textures.size(); for(index = 0; index < size; ++index) { Subtexture subtexture = packed_sub_textures[index]; // Try to find out if we already have created a texture-on-disk for this subtexture std::string texture_filename; Texture2D texture = subtexture.get_texture(); std::map<Texture, std::string>::iterator it; it = generated_texture_filenames.find(texture); if(it == generated_texture_filenames.end()) { // Texture not found, generate a filename and dump texture to disk texture_filename = string_format("texture%1.png", ++generated_texture_index); PNGProvider::save(texture.get_pixeldata(canvas), image_pathname + texture_filename); generated_texture_filenames[texture] = texture_filename; } else { // Previously dumped textures, lets reuse the filename texture_filename = (*it).second; } // Add <grid> DOM element DomElement new_grid_element = element.get_owner_document().create_element("grid"); new_grid_element.set_attribute("pos", string_format("%1,%2", subtexture.get_geometry().left + last_border_size, subtexture.get_geometry().top + last_border_size)); new_grid_element.set_attribute("size", string_format("%1,%2", subtexture.get_geometry().get_width()- last_border_size*2, subtexture.get_geometry().get_height()- last_border_size*2)); // Add <image> DOM element DomElement new_image_element = element.get_owner_document().create_element("image"); new_image_element.set_attribute("file", texture_filename); new_image_element.append_child(new_grid_element); // Add <image> element under <sprite> element element.append_child(new_image_element); } }
DomNode DomNode::named_item(const DomString &name) const { DomNode node = get_first_child(); while (node.is_null() == false) { if (node.get_node_name() == name) return node; node = node.get_next_sibling(); } return DomNode(); }
DomNodeList DomNode::get_child_nodes() const { DomNodeList list; DomNode node = get_first_child(); while (!node.is_null()) { list.add_item(node); node = node.get_next_sibling(); } return list; }
DomElement DomDocument::get_document_element() { DomNode cur = get_first_child(); while (!cur.is_null()) { if (cur.is_element()) return cur.to_element(); cur = cur.get_next_sibling(); } return DomElement(); }
DomNode DomNode::named_item_ns( const DomString &namespace_uri, const DomString &local_name) const { DomNode node = get_first_child(); while (node.is_null() == false) { if (node.get_namespace_uri() == namespace_uri && node.get_local_name() == local_name) return node; node = node.get_next_sibling(); } return DomNode(); }
std::string DomElement::get_text() const { std::string str; if (has_child_nodes() == false) return str; DomNode cur = get_first_child(); while (!cur.is_null()) { if (cur.is_text() || cur.is_cdata_section()) str.append(cur.get_node_value()); if (cur.is_element()) str.append(cur.to_element().get_text()); cur = cur.get_next_sibling(); } return str; }
void XMLResourceDocument::destroy_resource(const std::string &resource_id) { std::map<std::string, XMLResourceNode>::iterator it; it = impl->resources.find(resource_id); if (it == impl->resources.end()) return; DomNode cur = it->second.get_element(); impl->resources.erase(it); DomNode parent = cur.get_parent_node(); while (!parent.is_null()) { parent.remove_child(cur); if (parent.has_child_nodes()) break; cur = parent; parent = parent.get_parent_node(); } }
ProgramObject ProgramObject::load( GraphicContext &gc, const std::string &resource_id, const XMLResourceDocument &resources) { ProgramObject program_object(gc); XMLResourceNode resource = resources.get_resource(resource_id); DomNode node = resource.get_element().get_first_child(); while (!node.is_null()) { if (node.is_element()) { DomElement element = node.to_element(); if (element.get_tag_name() == "shader") { ShaderObject shader = ShaderObject::load(gc, element.get_attribute("name"), resources); program_object.attach(shader); } else if (element.get_tag_name() == "bind-attribute") { program_object.bind_attribute_location( StringHelp::text_to_int(element.get_attribute("index")), element.get_attribute("name")); } } node = node.get_next_sibling(); } if (!resource.get_element().get_attribute("shader").empty()) { ShaderObject shader = ShaderObject::load(gc, resource.get_element().get_attribute("shader"), resources); program_object.attach(shader); } if (resource.get_element().get_attribute("link", "true") == "true") if(!program_object.link()) throw Exception(string_format("Unable to link program object: %1", program_object.get_info_log())); return program_object; }
ResourceItem *TexturePacker::load_resource(Canvas &canvas, std::string &resource_id, Resource &resource, ResourceManager &resources) { ResourceItem *item = 0; try { std::string type = resource.get_type(); if(type == "sprite") { item = load_sprite(canvas, resource_id, resource, resources); } else if(type == "image") { item = load_image(canvas, resource_id, resource, resources); } else { throw Exception(string_format("Resourcetype %1 is not supported", type)); } } catch(Exception ex) { item = new NotSupportedResourceItem(resource, ex.message); } // Find resource path by traversing parents DomElement &dom_element = resource.get_element(); DomNode parent = dom_element.get_parent_node(); while (!parent.is_null()) { DomElement parent_element = parent.to_element(); std::string parent_name = parent_element.get_attribute("name"); if(parent_name.length() > 0) item->resource_path = string_format("%1/%2", parent_name, item->resource_path); parent = parent.get_parent_node(); } return item; }
DomNode DomDocument::import_node(const DomNode &node, bool deep) { DomNode imported_node; switch (node.get_node_type()) { case NULL_NODE: return imported_node; case ELEMENT_NODE: imported_node = create_element_ns(node.get_namespace_uri(), node.get_node_name()); break; case ATTRIBUTE_NODE: imported_node = create_attribute_ns(node.get_namespace_uri(), node.get_node_name()); imported_node.set_node_value(node.get_node_value()); break; case TEXT_NODE: imported_node = create_text_node(node.get_node_value()); break; case CDATA_SECTION_NODE: imported_node = create_cdata_section(node.get_node_value()); break; case ENTITY_REFERENCE_NODE: imported_node = create_entity_reference(node.get_node_name()); break; case ENTITY_NODE: return imported_node; case PROCESSING_INSTRUCTION_NODE: imported_node = create_processing_instruction(node.to_processing_instruction().get_target(), node.to_processing_instruction().get_data()); break; case COMMENT_NODE: imported_node = create_comment(node.get_node_value()); break; case DOCUMENT_NODE: imported_node = create_document_fragment(); break; case DOCUMENT_TYPE_NODE: return imported_node; case DOCUMENT_FRAGMENT_NODE: imported_node = create_document_fragment(); break; case NOTATION_NODE: return imported_node; } if (node.is_element()) { DomElement import_element = imported_node.to_element(); DomNamedNodeMap node_attributes = node.get_attributes(); int size = node_attributes.get_length(); for (int index = 0; index < size; index++) { DomNode attr = node_attributes.item(index); import_element.set_attribute_node_ns(import_node(attr, deep).to_attr()); } } if (deep) { DomNode cur = node.get_first_child(); while (!cur.is_null()) { imported_node.append_child(import_node(cur, true)); cur = cur.get_next_sibling(); } } return imported_node; }
XMLResourceNode XMLResourceDocument::create_resource(const std::string &resource_id, const std::string &type) { if (resource_exists(resource_id)) throw Exception(string_format("Resource %1 already exists", resource_id)); std::vector<std::string> path_elements = PathHelp::split_basepath(resource_id); std::string name = PathHelp::get_filename(resource_id); // Walk tree as deep as we can get: DomNode parent = impl->document.get_document_element(); DomNode cur = parent.get_first_child(); auto path_it = path_elements.begin(); while (!cur.is_null() && path_it != path_elements.end()) { if (cur.is_element() && cur.get_namespace_uri() == impl->ns_resources && cur.get_local_name() == "section") { DomElement element = cur.to_element(); std::string name = element.get_attribute_ns(impl->ns_resources, "name"); if (name == *path_it) { ++path_it; parent = cur; cur = cur.get_first_child(); continue; } } cur = cur.get_next_sibling(); } // Create any missing parent nodes: std::string prefix = parent.get_prefix(); while (path_it != path_elements.end()) { DomElement section; if (prefix.empty()) { section = impl->document.create_element_ns( impl->ns_resources, (*path_it) ); } else { section = impl->document.create_element_ns( impl->ns_resources,(prefix + ":" + *path_it)); } parent.append_child(section); parent = section; ++path_it; } // Create node: DomElement resource_node; if (prefix.empty()) { resource_node = impl->document.create_element_ns( impl->ns_resources, (type)); } else { resource_node = impl->document.create_element_ns( impl->ns_resources,(prefix + ":" + type)); } resource_node.set_attribute_ns( impl->ns_resources, prefix.empty() ? "name" : (prefix + ":name"), name); parent.append_child(resource_node); // Create resource: impl->resources[resource_id] = XMLResourceNode(resource_node, *this); return impl->resources[resource_id]; }