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+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_DOTGRAPHPRINTER_H__
+#define __ARM_COMPUTE_GRAPH_DOTGRAPHPRINTER_H__
+
+#include "arm_compute/graph/IGraphPrinter.h"
+
+#include "arm_compute/graph/INodeVisitor.h"
+
+#include <string>
+
+namespace arm_compute
+{
+namespace graph
+{
+/** Graph printer visitor. */
+class DotGraphVisitor final : public DefaultNodeVisitor
+{
+public:
+ /** Default Constructor **/
+ DotGraphVisitor() = default;
+ /** Returns the output information of the last visited node
+ *
+ * @return Information of the last visited node
+ */
+ const std::string &info() const;
+
+ // Reveal parent method
+ using DefaultNodeVisitor::visit;
+
+ // Inherited methods overridden
+ void visit(ActivationLayerNode &n) override;
+ void visit(BatchNormalizationLayerNode &n) override;
+ void visit(ConvolutionLayerNode &n) override;
+ void visit(DepthConcatenateLayerNode &n) override;
+ void visit(DepthwiseConvolutionLayerNode &n) override;
+ void visit(EltwiseLayerNode &n) override;
+ void visit(NormalizationLayerNode &n) override;
+ void visit(PoolingLayerNode &n) override;
+ void default_visit() override;
+
+private:
+ std::string _info{};
+};
+
+/** Graph printer interface */
+class DotGraphPrinter final : public IGraphPrinter
+{
+public:
+ // Inherited methods overridden
+ void print(const Graph &g, std::ostream &os) override;
+
+private:
+ /** Print dot graph header
+ *
+ * @param[in] g Graph
+ * @param[out] os Output stream to use
+ */
+ void print_header(const Graph &g, std::ostream &os);
+ /** Print dot graph footer
+ *
+ * @param[in] g Graph
+ * @param[out] os Output stream to use
+ */
+ void print_footer(const Graph &g, std::ostream &os);
+ /** Prints nodes in dot format
+ *
+ * @param[in] g Graph
+ * @param[out] os Output stream to use
+ */
+ void print_nodes(const Graph &g, std::ostream &os);
+ /** Prints edges in dot format
+ *
+ * @param[in] g Graph
+ * @param[out] os Output stream to use
+ */
+ void print_edges(const Graph &g, std::ostream &os);
+
+private:
+ DotGraphVisitor _dot_node_visitor = {};
+};
+} // namespace graph
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GRAPH_DOTGRAPHPRINTER_H__ */