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vendor/github.com/awalterschulze/gographviz/gographviz.go

@@ -0,0 +1,58 @@
+//Copyright 2013 GoGraphviz Authors
+//
+//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 gographviz provides parsing for the DOT grammar into
+//an abstract syntax tree representing a graph,
+//analysis of the abstract syntax tree into a more usable structure,
+//and writing back of this structure into the DOT format.
+package gographviz
+
+import (
+	"github.com/awalterschulze/gographviz/ast"
+	"github.com/awalterschulze/gographviz/internal/parser"
+)
+
+var _ Interface = NewGraph()
+
+//Interface allows you to parse the graph into your own structure.
+type Interface interface {
+	SetStrict(strict bool) error
+	SetDir(directed bool) error
+	SetName(name string) error
+	AddPortEdge(src, srcPort, dst, dstPort string, directed bool, attrs map[string]string) error
+	AddEdge(src, dst string, directed bool, attrs map[string]string) error
+	AddNode(parentGraph string, name string, attrs map[string]string) error
+	AddAttr(parentGraph string, field, value string) error
+	AddSubGraph(parentGraph string, name string, attrs map[string]string) error
+	String() string
+}
+
+//Parse parses the buffer into a abstract syntax tree representing the graph.
+func Parse(buf []byte) (*ast.Graph, error) {
+	return parser.ParseBytes(buf)
+}
+
+//ParseString parses the buffer into a abstract syntax tree representing the graph.
+func ParseString(buf string) (*ast.Graph, error) {
+	return parser.ParseBytes([]byte(buf))
+}
+
+//Read parses and creates a new Graph from the data.
+func Read(buf []byte) (*Graph, error) {
+	st, err := Parse(buf)
+	if err != nil {
+		return nil, err
+	}
+	return NewAnalysedGraph(st)
+}