/
docs.go
70 lines (61 loc) · 2.19 KB
/
docs.go
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// Copyright 2014 The Cayley 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 http
import (
"fmt"
"net/http"
"strings"
"github.com/gobuffalo/packr/v2"
"github.com/julienschmidt/httprouter"
"github.com/russross/blackfriday"
)
const markdownCSS = "/static/css/docs.css"
var docsBox = packr.New("Docs", "../../docs")
func markdownWithCSS(input []byte, title string) []byte {
// set up the HTML renderer
htmlFlags := 0
htmlFlags |= blackfriday.HTML_USE_XHTML
htmlFlags |= blackfriday.HTML_USE_SMARTYPANTS
htmlFlags |= blackfriday.HTML_SMARTYPANTS_FRACTIONS
htmlFlags |= blackfriday.HTML_SMARTYPANTS_LATEX_DASHES
htmlFlags |= blackfriday.HTML_COMPLETE_PAGE
renderer := blackfriday.HtmlRenderer(htmlFlags, title, markdownCSS)
// set up the parser
extensions := 0
//extensions |= blackfriday.EXTENSION_NO_INTRA_EMPHASIS
extensions |= blackfriday.EXTENSION_TABLES
extensions |= blackfriday.EXTENSION_FENCED_CODE
extensions |= blackfriday.EXTENSION_AUTOLINK
extensions |= blackfriday.EXTENSION_STRIKETHROUGH
//extensions |= blackfriday.EXTENSION_SPACE_HEADERS
extensions |= blackfriday.EXTENSION_HEADER_IDS
extensions |= blackfriday.EXTENSION_LAX_HTML_BLOCKS
return blackfriday.Markdown(input, renderer, extensions)
}
func serveDocPage(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
docpage := params.ByName("docpage")
if docpage == "" {
docpage = "Index"
}
if !strings.HasSuffix(docpage, ".md") {
docpage += ".md"
}
data, err := docsBox.Find(docpage)
if err != nil {
http.Error(w, err.Error(), http.StatusNoContent)
return
}
output := markdownWithCSS(data, fmt.Sprintf("Cayley Docs - %s", docpage))
fmt.Fprint(w, string(output))
}