hugo diagrams 代码
文件路径：/tpl/diagrams/diagrams.go
/ Copyright 2022 The Hugo Authors. All rights reserved.
/
/ 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 diagrams
import (
"bytes"
"html/template"
"io"
"strings"
"github.com/bep/goat"
"github.com/gohugoio/hugo/deps"
"github.com/spf13/cast"
)
type SVGDiagram interface {
/ Wrapped returns the diagram as an SVG, including the <svg> container.
Wrapped() template.HTML
/ Inner returns the inner markup of the SVG.
/ This allows for the <svg> container to be created manually.
Inner() template.HTML
/ Width returns the width of the SVG.
Width() int
/ Height returns the height of the SVG.
Height() int
}
type goatDiagram struct {
d goat.SVG
}
func (d goatDiagram) Inner() template.HTML {
return template.HTML(d.d.Body)
}
func (d goatDiagram) Wrapped() template.HTML {
return template.HTML(d.d.String())
}
func (d goatDiagram) Width() int {
return d.d.Width
}
func (d goatDiagram) Height() int {
return d.d.Height
}
type Diagrams struct {
d *deps.Deps
}
func (d *Diagrams) Goat(v any) SVGDiagram {
var r io.Reader
switch vv := v.(type) {
case io.Reader:
r = vv
case []byte:
r = bytes.NewReader(vv)
default:
r = strings.NewReader(cast.ToString(v))
}
return goatDiagram{
d: goat.BuildSVG(r),
}
}