Code refactor: add generic Cycles XML node read and write functions.
Differential Revision: https://developer.blender.org/D2016
This commit is contained in:
parent
ec51175f1f
commit
226dc75e77
@ -7,12 +7,14 @@ set(INC
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set(SRC
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node.cpp
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node_type.cpp
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node_xml.cpp
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)
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set(SRC_HEADERS
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node.h
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node_enum.h
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node_type.h
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node_xml.h
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)
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include_directories(${INC})
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444
intern/cycles/graph/node_xml.cpp
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444
intern/cycles/graph/node_xml.cpp
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@ -0,0 +1,444 @@
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/*
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* Copyright 2011-2016 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "node_xml.h"
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#include "util_foreach.h"
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#include "util_string.h"
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#include "util_transform.h"
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CCL_NAMESPACE_BEGIN
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static bool xml_read_boolean(const char *value)
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{
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return string_iequals(value, "true") || (atoi(value) != 0);
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}
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static const char *xml_write_boolean(bool value)
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{
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return (value) ? "true" : "false";
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}
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template<int VECTOR_SIZE, typename T>
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static void xml_read_float_array(T& value, pugi::xml_attribute attr)
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{
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vector<string> tokens;
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string_split(tokens, attr.value());
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if(tokens.size() % VECTOR_SIZE != 0) {
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return;
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}
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value.resize(tokens.size() / VECTOR_SIZE);
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for(size_t i = 0; i < value.size(); i++) {
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float *value_float = (float*)&value[i];
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for(size_t j = 0; j < VECTOR_SIZE; j++)
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value_float[j] = (float)atof(tokens[i * VECTOR_SIZE + j].c_str());
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}
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}
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void xml_read_node(XMLReader& reader, Node *node, pugi::xml_node xml_node)
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{
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pugi::xml_attribute name_attr = xml_node.attribute("name");
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if(name_attr) {
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node->name = ustring(name_attr.value());
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}
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foreach(const NodeType::SocketMap::value_type& it, node->type->inputs) {
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const SocketType& socket = it.second;
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if(socket.type == SocketType::CLOSURE || socket.type == SocketType::UNDEFINED) {
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continue;
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}
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if(socket.flags & SocketType::INTERNAL) {
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continue;
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}
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pugi::xml_attribute attr = xml_node.attribute(socket.name.c_str());
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if(!attr) {
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continue;
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}
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switch(socket.type)
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{
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case SocketType::BOOLEAN:
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{
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node->set(socket, xml_read_boolean(attr.value()));
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break;
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}
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case SocketType::BOOLEAN_ARRAY:
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{
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vector<string> tokens;
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string_split(tokens, attr.value());
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array<bool> value;
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value.resize(tokens.size());
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for(size_t i = 0; i < value.size(); i++)
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value[i] = xml_read_boolean(tokens[i].c_str());
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node->set(socket, value);
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break;
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}
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case SocketType::FLOAT:
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{
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node->set(socket, (float)atof(attr.value()));
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break;
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}
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case SocketType::FLOAT_ARRAY:
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{
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array<float> value;
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xml_read_float_array<1>(value, attr);
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node->set(socket, value);
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break;
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}
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case SocketType::INT:
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{
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node->set(socket, (int)atoi(attr.value()));
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break;
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}
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case SocketType::INT_ARRAY:
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{
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vector<string> tokens;
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string_split(tokens, attr.value());
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array<int> value;
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value.resize(tokens.size());
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for(size_t i = 0; i < value.size(); i++)
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value[i] = (int)atoi(attr.value());
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node->set(socket, value);
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break;
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}
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case SocketType::COLOR:
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case SocketType::VECTOR:
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case SocketType::POINT:
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case SocketType::NORMAL:
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{
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array<float> value;
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xml_read_float_array<3>(value, attr);
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if(value.size() == 1) {
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node->set(socket, value[0]);
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}
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break;
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}
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case SocketType::COLOR_ARRAY:
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case SocketType::VECTOR_ARRAY:
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case SocketType::POINT_ARRAY:
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case SocketType::NORMAL_ARRAY:
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{
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array<float3> value;
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xml_read_float_array<3>(value, attr);
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node->set(socket, value);
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break;
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}
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case SocketType::POINT2:
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{
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array<float2> value;
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xml_read_float_array<2>(value, attr);
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if(value.size() == 1) {
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node->set(socket, value[0]);
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}
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break;
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}
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case SocketType::POINT2_ARRAY:
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{
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array<float2> value;
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xml_read_float_array<2>(value, attr);
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node->set(socket, value);
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break;
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}
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case SocketType::STRING:
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case SocketType::ENUM:
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{
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node->set(socket, attr.value());
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break;
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}
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case SocketType::STRING_ARRAY:
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{
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vector<string> tokens;
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string_split(tokens, attr.value());
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array<ustring> value;
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value.resize(tokens.size());
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for(size_t i = 0; i < value.size(); i++)
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value[i] = ustring(tokens[i]);
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node->set(socket, value);
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break;
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}
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case SocketType::TRANSFORM:
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{
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array<Transform> value;
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xml_read_float_array<16>(value, attr);
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if(value.size() == 1) {
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node->set(socket, value[0]);
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}
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break;
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}
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case SocketType::TRANSFORM_ARRAY:
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{
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array<Transform> value;
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xml_read_float_array<16>(value, attr);
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node->set(socket, value);
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break;
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}
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case SocketType::NODE:
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{
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ustring value(attr.value());
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map<ustring, Node*>::iterator it = reader.node_map.find(value);
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if(it != reader.node_map.end())
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{
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Node *value_node = it->second;
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if(value_node->type == *(socket.node_type))
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node->set(socket, it->second);
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}
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break;
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}
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case SocketType::NODE_ARRAY:
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{
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vector<string> tokens;
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string_split(tokens, attr.value());
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array<Node*> value;
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value.resize(tokens.size());
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for(size_t i = 0; i < value.size(); i++)
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{
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map<ustring, Node*>::iterator it = reader.node_map.find(ustring(tokens[i]));
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if(it != reader.node_map.end())
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{
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Node *value_node = it->second;
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value[i] = (value_node->type == *(socket.node_type)) ? value_node : NULL;
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}
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else
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{
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value[i] = NULL;
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}
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}
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node->set(socket, value);
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break;
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}
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case SocketType::CLOSURE:
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case SocketType::UNDEFINED:
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break;
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}
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}
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if(node->name)
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reader.node_map[node->name] = node;
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}
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pugi::xml_node xml_write_node(Node *node, pugi::xml_node xml_root)
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{
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pugi::xml_node xml_node = xml_root.append_child(node->type->name.c_str());
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xml_node.append_attribute("name") = node->name.c_str();
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foreach(const NodeType::SocketMap::value_type& it, node->type->inputs) {
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const SocketType& socket = it.second;
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if(socket.type == SocketType::CLOSURE || socket.type == SocketType::UNDEFINED) {
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continue;
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}
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if(socket.flags & SocketType::INTERNAL) {
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continue;
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}
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if(node->has_default_value(socket)) {
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continue;
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}
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pugi::xml_attribute attr = xml_node.append_attribute(socket.name.c_str());
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switch(socket.type)
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{
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case SocketType::BOOLEAN:
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{
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attr = xml_write_boolean(node->get_bool(socket));
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break;
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}
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case SocketType::BOOLEAN_ARRAY:
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{
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std::stringstream ss;
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const array<bool>& value = node->get_bool_array(socket);
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for(size_t i = 0; i < value.size(); i++) {
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ss << xml_write_boolean(value[i]);
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if(i != value.size() - 1)
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ss << " ";
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}
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attr = ss.str().c_str();
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break;
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}
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case SocketType::FLOAT:
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{
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attr = node->get_float(socket);
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break;
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}
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case SocketType::FLOAT_ARRAY:
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{
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std::stringstream ss;
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const array<float>& value = node->get_float_array(socket);
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for(size_t i = 0; i < value.size(); i++) {
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ss << value[i];
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if(i != value.size() - 1) {
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ss << " ";
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}
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}
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attr = ss.str().c_str();
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break;
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}
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case SocketType::INT:
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{
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attr = node->get_int(socket);
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break;
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}
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case SocketType::INT_ARRAY:
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{
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std::stringstream ss;
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const array<int>& value = node->get_int_array(socket);
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for(size_t i = 0; i < value.size(); i++) {
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ss << value[i];
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if(i != value.size() - 1) {
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ss << " ";
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}
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}
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attr = ss.str().c_str();
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break;
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}
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case SocketType::COLOR:
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case SocketType::VECTOR:
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case SocketType::POINT:
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case SocketType::NORMAL:
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{
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float3 value = node->get_float3(socket);
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attr = string_printf("%g %g %g", value.x, value.y, value.z).c_str();
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break;
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}
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case SocketType::COLOR_ARRAY:
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case SocketType::VECTOR_ARRAY:
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case SocketType::POINT_ARRAY:
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case SocketType::NORMAL_ARRAY:
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{
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std::stringstream ss;
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const array<float3>& value = node->get_float3_array(socket);
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for(size_t i = 0; i < value.size(); i++) {
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ss << string_printf("%g %g %g", value[i].x, value[i].y, value[i].z);
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if(i != value.size() - 1) {
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ss << " ";
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}
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}
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attr = ss.str().c_str();
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break;
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}
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case SocketType::POINT2:
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{
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float2 value = node->get_float2(socket);
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attr = string_printf("%g %g", value.x, value.y).c_str();
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break;
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}
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case SocketType::POINT2_ARRAY:
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{
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std::stringstream ss;
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const array<float2>& value = node->get_float2_array(socket);
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for(size_t i = 0; i < value.size(); i++) {
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ss << string_printf("%g %g", value[i].x, value[i].y);
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if(i != value.size() - 1) {
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ss << " ";
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}
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}
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attr = ss.str().c_str();
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break;
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}
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case SocketType::STRING:
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case SocketType::ENUM:
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{
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attr = node->get_string(socket).c_str();
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break;
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}
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case SocketType::STRING_ARRAY:
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{
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std::stringstream ss;
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const array<ustring>& value = node->get_string_array(socket);
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for(size_t i = 0; i < value.size(); i++) {
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ss << value[i];
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if(i != value.size() - 1) {
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ss << " ";
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}
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}
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attr = ss.str().c_str();
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break;
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}
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case SocketType::TRANSFORM:
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{
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Transform tfm = node->get_transform(socket);
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std::stringstream ss;
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for(int i = 0; i < 4; i++) {
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ss << string_printf("%g %g %g %g", tfm[i][0], tfm[i][1], tfm[i][2], tfm[i][3]);
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if(i != 3) {
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ss << " ";
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}
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}
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attr = ss.str().c_str();
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break;
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}
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case SocketType::TRANSFORM_ARRAY:
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{
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std::stringstream ss;
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const array<Transform>& value = node->get_transform_array(socket);
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for(size_t j = 0; j < value.size(); j++) {
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const Transform& tfm = value[j];
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for(int i = 0; i < 4; i++) {
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ss << string_printf("%g %g %g %g", tfm[i][0], tfm[i][1], tfm[i][2], tfm[i][3]);
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if(j != value.size() - 1 || i != 3) {
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ss << " ";
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}
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}
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}
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attr = ss.str().c_str();
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break;
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}
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case SocketType::NODE:
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{
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Node *value = node->get_node(socket);
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if(value) {
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attr = value->name.c_str();
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}
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break;
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}
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case SocketType::NODE_ARRAY:
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{
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std::stringstream ss;
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const array<Node*>& value = node->get_node_array(socket);
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for(size_t i = 0; i < value.size(); i++) {
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if(value[i]) {
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ss << value[i]->name.c_str();
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}
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if(i != value.size() - 1) {
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ss << " ";
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}
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}
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attr = ss.str().c_str();
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break;
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}
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case SocketType::CLOSURE:
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case SocketType::UNDEFINED:
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break;
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}
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}
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return xml_node;
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}
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CCL_NAMESPACE_END
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35
intern/cycles/graph/node_xml.h
Normal file
35
intern/cycles/graph/node_xml.h
Normal file
@ -0,0 +1,35 @@
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/*
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* Copyright 2011-2016 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
|
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* limitations under the License.
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*/
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#pragma once
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#include "node.h"
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#include "util_map.h"
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#include "util_string.h"
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#include "util_xml.h"
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CCL_NAMESPACE_BEGIN
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|
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struct XMLReader {
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map<ustring, Node*> node_map;
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};
|
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|
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void xml_read_node(XMLReader& reader, Node *node, pugi::xml_node xml_node);
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pugi::xml_node xml_write_node(Node *node, pugi::xml_node xml_root);
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CCL_NAMESPACE_END
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