caddy/caddyhttp/markdown/process.go at master · domdoescode/caddy · GitHub

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package markdown

import (

"io"

"io/ioutil"

"os"

"github.com/mholt/caddy/caddyhttp/httpserver"

"github.com/mholt/caddy/caddyhttp/markdown/metadata"

"github.com/mholt/caddy/caddyhttp/markdown/summary"

"github.com/russross/blackfriday"

)

// FileInfo represents a file in a particular server context. It wraps the os.FileInfo struct.

type FileInfo struct {

os.FileInfo

ctx httpserver.Context

}

// Summarize returns an abbreviated string representation of the markdown stored in this file.

// wordcount is the number of words returned in the summary.

func (f FileInfo) Summarize(wordcount int) (string, error) {

fp, err := f.ctx.Root.Open(f.Name())

if err != nil {

return "", err

}

defer fp.Close()

buf, err := ioutil.ReadAll(fp)

if err != nil {

return "", err

}

return string(summary.Markdown(buf, wordcount)), nil

}

// Markdown processes the contents of a page in b. It parses the metadata

// (if any) and uses the template (if found).

func (c *Config) Markdown(title string, r io.Reader, dirents []os.FileInfo, ctx httpserver.Context) ([]byte, error) {

body, err := ioutil.ReadAll(r)

if err != nil {

return nil, err

}

parser := metadata.GetParser(body)

markdown := parser.Markdown()

mdata := parser.Metadata()

// process markdown

extns := 0

extns |= blackfriday.EXTENSION_TABLES

extns |= blackfriday.EXTENSION_FENCED_CODE

extns |= blackfriday.EXTENSION_STRIKETHROUGH

extns |= blackfriday.EXTENSION_DEFINITION_LISTS

html := blackfriday.Markdown(markdown, c.Renderer, extns)

// set it as body for template

mdata.Variables["body"] = string(html)

// fixup title

mdata.Variables["title"] = mdata.Title

if mdata.Variables["title"] == "" {

mdata.Variables["title"] = title

}

// massage possible files

files := []FileInfo{}

for _, ent := range dirents {

file := FileInfo{

FileInfo: ent,

ctx: ctx,

}

files = append(files, file)

}

return execTemplate(c, mdata, files, ctx)

}

caddy/caddyhttp/markdown/process.go at master · domdoescode/caddy · GitHub

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