mirror of
https://github.com/go-gitea/gitea.git
synced 2024-11-30 12:14:51 +01:00
fd76f090a2
* markup: microoptimise for many short filenames in directory Move strings.ToLower() after the early-return length check. This is a safe operation in all cases and should slightly improve directory listing performance when a directory contains many thousands of files with short filenames. * markup: expand test cases for IsReadmeFile()
85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package markup
|
|
|
|
import (
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
// Parser defines an interface for parsering markup file to HTML
|
|
type Parser interface {
|
|
Name() string // markup format name
|
|
Extensions() []string
|
|
Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte
|
|
}
|
|
|
|
var (
|
|
parsers = make(map[string]Parser)
|
|
)
|
|
|
|
// RegisterParser registers a new markup file parser
|
|
func RegisterParser(parser Parser) {
|
|
for _, ext := range parser.Extensions() {
|
|
parsers[strings.ToLower(ext)] = parser
|
|
}
|
|
}
|
|
|
|
// Render renders markup file to HTML with all specific handling stuff.
|
|
func Render(filename string, rawBytes []byte, urlPrefix string, metas map[string]string) []byte {
|
|
return render(filename, rawBytes, urlPrefix, metas, false)
|
|
}
|
|
|
|
func render(filename string, rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
|
|
extension := strings.ToLower(filepath.Ext(filename))
|
|
if parser, ok := parsers[extension]; ok {
|
|
return parser.Render(rawBytes, urlPrefix, metas, isWiki)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// RenderString renders Markdown to HTML with special links and returns string type.
|
|
func RenderString(filename string, raw, urlPrefix string, metas map[string]string) string {
|
|
return string(render(filename, []byte(raw), urlPrefix, metas, false))
|
|
}
|
|
|
|
// RenderWiki renders markdown wiki page to HTML and return HTML string
|
|
func RenderWiki(filename string, rawBytes []byte, urlPrefix string, metas map[string]string) string {
|
|
return string(render(filename, rawBytes, urlPrefix, metas, true))
|
|
}
|
|
|
|
// Type returns if markup format via the filename
|
|
func Type(filename string) string {
|
|
extension := strings.ToLower(filepath.Ext(filename))
|
|
if parser, ok := parsers[extension]; ok {
|
|
return parser.Name()
|
|
}
|
|
return ""
|
|
}
|
|
|
|
// ReadmeFileType reports whether name looks like a README file
|
|
// based on its name and find the parser via its ext name
|
|
func ReadmeFileType(name string) (string, bool) {
|
|
if IsReadmeFile(name) {
|
|
return Type(name), true
|
|
}
|
|
return "", false
|
|
}
|
|
|
|
// IsReadmeFile reports whether name looks like a README file
|
|
// based on its name.
|
|
func IsReadmeFile(name string) bool {
|
|
if len(name) < 6 {
|
|
return false
|
|
}
|
|
|
|
name = strings.ToLower(name)
|
|
if len(name) == 6 {
|
|
return name == "readme"
|
|
}
|
|
return name[:7] == "readme."
|
|
}
|
|
|