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| author | tjpcc <tjp@ctrl-c.club> | 2023-01-17 16:41:04 -0700 |
|---|---|---|
| committer | tjpcc <tjp@ctrl-c.club> | 2023-01-17 16:41:04 -0700 |
| commit | 6586db782ea6dcb5f2eb191a690ec7e7df51161f (patch) | |
| tree | 36158a53a6d8aad9f5a873c6c43d598ce5647b97 /gemtext/htmlconv/convert.go | |
| parent | 2ef530daa47b301a40c1ee93cd43b8f36fc68c0b (diff) | |
Updates
* update README
* move "gemtext" to within "gemini"
Diffstat (limited to 'gemtext/htmlconv/convert.go')
| -rw-r--r-- | gemtext/htmlconv/convert.go | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/gemtext/htmlconv/convert.go b/gemtext/htmlconv/convert.go deleted file mode 100644 index c703211..0000000 --- a/gemtext/htmlconv/convert.go +++ /dev/null @@ -1,86 +0,0 @@ -package htmlconv - -import ( - "html/template" - "io" - - "tildegit.org/tjp/gus/gemtext" - "tildegit.org/tjp/gus/gemtext/internal" -) - -// Convert writes markdown to a writer from the provided gemtext document. -// -// Templates can be provided to override the output for different line types. -// The templates supported are: -// - "header" is called before any lines and is passed the full Document. -// - "footer" is called after the lines and is passed the full Document. -// - "textline" is called once per line of text and is passed a gemtext.TextLine. -// - "linkline" is called once per link line and is passed an object which wraps -// a gemtext.LinkLine but also supports a ValidatedURL() method returning a -// string which html/template will always allow as href attributes. -// - "preformattedtextlines" is called once for a block of preformatted text and is -// passed a slice of gemtext.PreformattedTextLines. -// - "heading1line" is called once per h1 line and is passed a gemtext.Heading1Line. -// - "heading2line" is called once per h2 line and is passed a gemtext.Heading2Line. -// - "heading3line" is called once per h3 line and is passed a gemtext.Heading3Line. -// - "listitemlines" is called once for a block of contiguous list item lines and -// is passed a slice of gemtext.ListItemLines. -// - "quoteline" is passed once per blockquote line and is passed a gemtext.QuoteLine. -// -// There exist default implementations of each of these templates, so the "overrides" -// argument can be nil. -func Convert(wr io.Writer, doc gemtext.Document, overrides *template.Template) error { - if err := internal.ValidateLinks(doc); err != nil { - return err - } - - tmpl, err := baseTmpl.Clone() - if err != nil { - return err - } - - tmpl, err = internal.AddHTMLTemplates(tmpl, overrides) - if err != nil { - return err - } - - for _, item := range internal.RenderItems(doc) { - if err := tmpl.ExecuteTemplate(wr, item.Template, item.Object); err != nil { - return err - } - } - - return nil -} - -var baseTmpl = template.Must(template.New("htmlconv").Parse(` -{{ define "header" }}<html><body>{{ end }} -{{ define "textline" }}{{ if ne .String "\n" }}<p>{{ . }}</p>{{ end }}{{ end }} -{{ define "linkline" -}} - <p>=> <a href="{{ .ValidatedURL }}">{{ if eq .Label "" -}} - {{ .URL }} - {{- else -}} - {{ .Label }} - {{- end -}} - </a></p> -{{- end }} -{{ define "preformattedtextlines" -}} - <pre> - {{- range . -}} - {{ . }} - {{- end -}} - </pre> -{{- end }} -{{ define "heading1line" }}<h1>{{ .Body }}</h1>{{ end }} -{{ define "heading2line" }}<h2>{{ .Body }}</h2>{{ end }} -{{ define "heading3line" }}<h3>{{ .Body }}</h3>{{ end }} -{{ define "listitemlines" -}} - <ul> - {{- range . -}} - <li>{{ .Body }}</li> - {{- end -}} - </ul> -{{- end }} -{{ define "quoteline" }}<blockquote>{{ .Body }}</blockquote>{{ end }} -{{ define "footer" }}</body></html>{{ end }} -`)) |