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69 lines
2.1 KiB
69 lines
2.1 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#include "Layer.h"
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namespace paddle {
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class PrintLayer : public Layer {
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public:
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explicit PrintLayer(const LayerConfig& config) : Layer(config) {}
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void forward(PassType passType) override {
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Layer::forward(passType);
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std::vector<std::string> vals;
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for (size_t i = 0; i != inputLayers_.size(); ++i) {
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std::ostringstream s;
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getInput(i).printValueString(s, "");
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vals.push_back(s.str());
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}
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size_t pos = 0;
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size_t i = 0;
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std::ostringstream s;
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const std::string& format = config_.user_arg();
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while (true) {
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size_t pos1 = format.find("%s", pos);
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if (pos1 == std::string::npos) break;
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if (i >= vals.size()) {
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break;
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}
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s << format.substr(pos, pos1 - pos) << vals[i];
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pos = pos1 + 2;
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++i;
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}
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if (i != inputLayers_.size()) {
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LOG(ERROR) << "Number of value in the format (" << format
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<< ") is not same as the number of inputs ("
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<< inputLayers_.size() << ") at " << getName();
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}
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s << format.substr(pos);
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const std::string delimiter("\n");
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std::string content = s.str();
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std::string::size_type foundPos = 0;
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std::string::size_type prevPos = 0;
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while ((foundPos = content.find(delimiter, prevPos)) != std::string::npos) {
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LOG(INFO) << content.substr(prevPos, foundPos - prevPos);
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prevPos = foundPos + delimiter.size();
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}
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LOG(INFO) << content.substr(prevPos);
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}
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void backward(const UpdateCallback& callback) override {}
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};
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REGISTER_LAYER(print, PrintLayer);
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} // namespace paddle
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