mirror of
https://github.com/gonum/gonum.git
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b34a300801
This fixes the capitalisation of Gonum where it refers to the project rather than the GitHub organisation or repository. The text of CONTRIBUTORS also is fixed to reflect the reality that contributors may have contributed to other repositories within the project.
65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
// This file is dual licensed under CC0 and The Gonum License.
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//
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// Copyright ©2017 The Gonum Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//
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// Copyright ©2017 Robin Eklind.
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// This file is made available under a Creative Commons CC0 1.0
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// Universal Public Domain Dedication.
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//go:generate ./makeinternal.bash
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package dot
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import (
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"fmt"
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"io"
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"io/ioutil"
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"gonum.org/v1/gonum/graph/formats/dot/ast"
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"gonum.org/v1/gonum/graph/formats/dot/internal/lexer"
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"gonum.org/v1/gonum/graph/formats/dot/internal/parser"
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)
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// ParseFile parses the given Graphviz DOT file into an AST.
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func ParseFile(path string) (*ast.File, error) {
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buf, err := ioutil.ReadFile(path)
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if err != nil {
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return nil, err
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}
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return ParseBytes(buf)
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}
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// Parse parses the given Graphviz DOT file into an AST, reading from r.
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func Parse(r io.Reader) (*ast.File, error) {
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buf, err := ioutil.ReadAll(r)
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if err != nil {
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return nil, err
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}
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return ParseBytes(buf)
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}
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// ParseBytes parses the given Graphviz DOT file into an AST, reading from b.
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func ParseBytes(b []byte) (*ast.File, error) {
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l := lexer.NewLexer(b)
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p := parser.NewParser()
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file, err := p.Parse(l)
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if err != nil {
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return nil, err
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}
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f, ok := file.(*ast.File)
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if !ok {
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return nil, fmt.Errorf("invalid file type; expected *ast.File, got %T", file)
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}
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if err := check(f); err != nil {
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return nil, err
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}
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return f, nil
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}
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// ParseString parses the given Graphviz DOT file into an AST, reading from s.
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func ParseString(s string) (*ast.File, error) {
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return ParseBytes([]byte(s))
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}
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