59 lines
2.0 KiB
Go
59 lines
2.0 KiB
Go
//Copyright 2013 GoGraphviz Authors
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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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//Package gographviz provides parsing for the DOT grammar into
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//an abstract syntax tree representing a graph,
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//analysis of the abstract syntax tree into a more usable structure,
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//and writing back of this structure into the DOT format.
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package gographviz
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import (
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"github.com/awalterschulze/gographviz/ast"
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"github.com/awalterschulze/gographviz/internal/parser"
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)
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var _ Interface = NewGraph()
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//Interface allows you to parse the graph into your own structure.
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type Interface interface {
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SetStrict(strict bool) error
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SetDir(directed bool) error
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SetName(name string) error
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AddPortEdge(src, srcPort, dst, dstPort string, directed bool, attrs map[string]string) error
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AddEdge(src, dst string, directed bool, attrs map[string]string) error
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AddNode(parentGraph string, name string, attrs map[string]string) error
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AddAttr(parentGraph string, field, value string) error
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AddSubGraph(parentGraph string, name string, attrs map[string]string) error
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String() string
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}
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//Parse parses the buffer into a abstract syntax tree representing the graph.
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func Parse(buf []byte) (*ast.Graph, error) {
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return parser.ParseBytes(buf)
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}
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//ParseString parses the buffer into a abstract syntax tree representing the graph.
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func ParseString(buf string) (*ast.Graph, error) {
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return parser.ParseBytes([]byte(buf))
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}
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//Read parses and creates a new Graph from the data.
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func Read(buf []byte) (*Graph, error) {
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st, err := Parse(buf)
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if err != nil {
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return nil, err
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}
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return NewAnalysedGraph(st)
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}
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