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allow writing of user-specified <meta.../> tags to document header

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This commit is contained in:
Ben Morrison 2019-04-23 16:42:39 -04:00
parent f3ccc8fc06
commit 269dc6e00d
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GPG Key ID: 8F192E4720BB0DAC
1 changed files with 17 additions and 0 deletions
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17
html.go
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@ -82,6 +82,13 @@ type Html struct {
title string // document title
css string // optional css file url (used with HTML_COMPLETE_PAGE)
// The optional 'meta' map holds additional meta tags to
// place into the final document's header.
// Format:
// key: name="author"
// val: foo barrington
meta map[string]string
parameters HtmlRendererParameters
// table of contents data
@ -131,6 +138,8 @@ func HtmlRendererWithParameters(flags int, title string,
css: css,
parameters: renderParameters,
meta: make(map[string]string),
headerCount: 0,
currentLevel: 0,
toc: new(bytes.Buffer),
@ -685,6 +694,14 @@ func (options *Html) DocumentHeader(out *bytes.Buffer) {
out.WriteString(" <meta charset=\"utf-8\"")
out.WriteString(ending)
out.WriteString(">\n")
// plug the user-specified <meta.../> tags
if options.meta != nil {
for k, v := range options.meta {
out.WriteString(" <meta " + k + " content=\"" + v + "\"")
out.WriteString(ending)
out.WriteString(">\n")
}
}
if options.css != "" {
out.WriteString(" <link rel=\"stylesheet\" type=\"text/css\" href=\"")
attrEscape(out, []byte(options.css))