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WIP: Bibliography with Pandoc #4800

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d03711b
Generate a bibliography with Pandoc.
bilke May 30, 2018
a70e6dc
Pass frontmatter to external helper.
bilke May 30, 2018
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30 changes: 22 additions & 8 deletions helpers/content.go
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Original file line number Diff line number Diff line change
Expand Up @@ -455,13 +455,15 @@ func ExtractTOC(content []byte) (newcontent []byte, toc []byte) {
// for a given content rendering.
// By creating you must set the Config, otherwise it will panic.
type RenderingContext struct {
Content []byte
PageFmt string
DocumentID string
DocumentName string
Config *BlackFriday
RenderTOC bool
Cfg config.Provider
Frontmatter map[string]interface{}
FrontmatterRaw []byte
Content []byte
PageFmt string
DocumentID string
DocumentName string
Config *BlackFriday
RenderTOC bool
Cfg config.Provider
}

// RenderBytes renders a []byte.
Expand Down Expand Up @@ -715,7 +717,18 @@ func getPandocContent(ctx *RenderingContext) []byte {
" Leaving pandoc content unrendered.")
return ctx.Content
}

jww.INFO.Println("Rendering", ctx.DocumentName, "with", path, "...")
args := []string{"--mathjax"}

pathCiteproc, errCiteproc := exec.LookPath("pandoc-citeproc")
if errCiteproc == nil {
if bib, ok := ctx.Frontmatter["bibliography"].(string); ok {
args = append(args, "--filter", "pandoc-citeproc")
jww.INFO.Println("Rendering bibliography", bib, "with", pathCiteproc, "...")
}
}

return externallyRenderContent(ctx, path, args)
}

Expand All @@ -727,7 +740,8 @@ func orgRender(ctx *RenderingContext, c ContentSpec) []byte {
}

func externallyRenderContent(ctx *RenderingContext, path string, args []string) []byte {
content := ctx.Content
content := ctx.FrontmatterRaw
content = append(content, ctx.Content...)
cleanContent := bytes.Replace(content, SummaryDivider, []byte(""), 1)

cmd := exec.Command(path, args...)
Expand Down
4 changes: 3 additions & 1 deletion hugolib/page.go
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Original file line number Diff line number Diff line change
Expand Up @@ -877,7 +877,9 @@ func (p *Page) setAutoSummary() error {

func (p *Page) renderContent(content []byte) []byte {
return p.s.ContentSpec.RenderBytes(&helpers.RenderingContext{
Content: content, RenderTOC: true, PageFmt: p.Markup,
Frontmatter: p.params,
FrontmatterRaw: p.frontmatter,
Content: content, RenderTOC: true, PageFmt: p.Markup,
Cfg: p.Language(),
DocumentID: p.UniqueID(), DocumentName: p.Path(),
Config: p.getRenderingConfig()})
Expand Down