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(); }
std::string DomNode::select_string(const DomString &xpath_expression) const { DomNode node = select_node(xpath_expression); if (node.is_element()) return node.to_element().get_text(); else return node.get_node_value(); }
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(); }
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; }
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; }
std::vector<DomNode> DomDocument::load( IODevice &input, bool eat_whitespace, DomNode insert_point) { clear_all(); XMLTokenizer tokenizer(input); tokenizer.set_eat_whitespace(eat_whitespace); if (insert_point.is_element() == false) insert_point = *this; std::vector<DomNode> node_stack; node_stack.push_back(insert_point); std::vector<DomNode> result; try { XMLToken cur_token; tokenizer.next(&cur_token); while (cur_token.type != XMLToken::NULL_TOKEN) { switch (cur_token.type) { case XMLToken::TEXT_TOKEN: node_stack.back().append_child(create_text_node(cur_token.value)); if (node_stack.back() == insert_point) result.push_back(node_stack.back().get_last_child()); break; case XMLToken::CDATA_SECTION_TOKEN: node_stack.back().append_child(create_cdata_section(cur_token.value)); if (node_stack.back() == insert_point) result.push_back(node_stack.back().get_last_child()); break; case XMLToken::ELEMENT_TOKEN: if (cur_token.variant != XMLToken::END) { DomString namespace_uri = DomDocument_Impl::find_namespace_uri(cur_token.name, cur_token, node_stack.back()); DomElement element = create_element_ns(namespace_uri, cur_token.name); node_stack.back().append_child(element); if (node_stack.back() == insert_point) result.push_back(node_stack.back().get_last_child()); int size = (int)cur_token.attributes.size(); for (int i = 0; i < size; i++) { XMLToken::Attribute &attribute = cur_token.attributes[i]; DomString attribute_namespace_uri = DomDocument_Impl::find_namespace_uri(attribute.first, cur_token, node_stack.back()); element.set_attribute_ns( attribute_namespace_uri, attribute.first, attribute.second); } if (cur_token.variant == XMLToken::BEGIN) node_stack.push_back(element); } else { node_stack.pop_back(); if (node_stack.empty()) throw Exception("Malformed XML tree!"); } break; case XMLToken::NULL_TOKEN: break; case XMLToken::ENTITY_REFERENCE_TOKEN: break; case XMLToken::ENTITY_TOKEN: break; case XMLToken::COMMENT_TOKEN: node_stack.back().append_child(create_comment(cur_token.value)); if (node_stack.back() == insert_point) result.push_back(node_stack.back().get_last_child()); break; case XMLToken::DOCUMENT_TYPE_TOKEN: break; case XMLToken::NOTATION_TOKEN: break; case XMLToken::PROCESSING_INSTRUCTION_TOKEN: node_stack.back().append_child(create_processing_instruction(cur_token.name, cur_token.value)); if (node_stack.back() == insert_point) result.push_back(node_stack.back().get_last_child()); break; } tokenizer.next(&cur_token); } } catch (const Exception& e) { for (auto & elem : result) { insert_point.remove_child(elem); } throw; } return result; }
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]; }