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graph_output.go
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graph_output.go
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// Copyright (C) 2018 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package graph_visualization
import (
"bytes"
"fmt"
)
func (g *graph) writeEdgesInDotFormat(output *bytes.Buffer) {
nodes := g.getSortedNodes()
for _, currentNode := range nodes {
inNeighbours := g.getSortedNeighbours(currentNode.inNeighbourIdToEdgeId)
for _, neighbour := range inNeighbours {
fmt.Fprintf(output, "%d -> %d;\n", neighbour.id, currentNode.id)
}
}
}
func (g *graph) writeNodesInDotFormat(output *bytes.Buffer) {
nodes := g.getSortedNodes()
for _, currentNode := range nodes {
fmt.Fprintf(output, "%d[label=%s];\n", currentNode.id, currentNode.label.GetCommandName())
}
}
func (g *graph) getGraphInDotFormat() []byte {
var output bytes.Buffer
output.WriteString("digraph g {\n")
g.writeNodesInDotFormat(&output)
g.writeEdgesInDotFormat(&output)
output.WriteString("}\n")
return output.Bytes()
}
func (g *graph) getGraphInPbtxtFormat() []byte {
nodes := g.getSortedNodes()
var output bytes.Buffer
for _, currentNode := range nodes {
output.WriteString("node {\n")
output.WriteString("name: \"" + currentNode.label.GetLabelAsAString() + "\"\n")
fmt.Fprintf(&output, "op: \"%s%d\"\n", currentNode.label.GetCommandName(), currentNode.label.GetCommandId())
neighbours := g.getSortedNeighbours(currentNode.inNeighbourIdToEdgeId)
for _, neighbour := range neighbours {
output.WriteString("input: \"" + neighbour.label.GetLabelAsAString() + "\"\n")
}
if currentNode.color != "" {
output.WriteString("device: \"" + currentNode.color + "\"\n")
}
output.WriteString("attr {\n")
output.WriteString("key: \"" + currentNode.attributes + "\"\n")
output.WriteString("}\n")
output.WriteString("}\n")
}
return output.Bytes()
}