104 lines
2 KiB
Go
104 lines
2 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package highlight
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import (
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"path"
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"strings"
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"code.gitea.io/gitea/modules/setting"
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)
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var (
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// File name should ignore highlight.
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ignoreFileNames = map[string]bool{
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"license": true,
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"copying": true,
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}
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// File names that are representing highlight classes.
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highlightFileNames = map[string]bool{
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"dockerfile": true,
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"makefile": true,
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}
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// Extensions that are same as highlight classes.
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highlightExts = map[string]struct{}{
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".arm": {},
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".as": {},
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".sh": {},
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".cs": {},
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".cpp": {},
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".c": {},
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".css": {},
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".cmake": {},
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".bat": {},
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".dart": {},
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".patch": {},
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".erl": {},
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".go": {},
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".html": {},
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".xml": {},
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".hs": {},
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".ini": {},
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".json": {},
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".java": {},
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".js": {},
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".less": {},
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".lua": {},
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".php": {},
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".py": {},
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".rb": {},
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".scss": {},
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".sql": {},
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".scala": {},
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".swift": {},
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".ts": {},
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".vb": {},
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".yml": {},
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".yaml": {},
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}
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// Extensions that are not same as highlight classes.
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highlightMapping = map[string]string{
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".txt": "nohighlight",
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".escript": "erlang",
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".ex": "elixir",
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".exs": "elixir",
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}
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)
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// NewContext loads highlight map
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func NewContext() {
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keys := setting.Cfg.Section("highlight.mapping").Keys()
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for i := range keys {
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highlightMapping[keys[i].Name()] = keys[i].Value()
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}
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}
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// FileNameToHighlightClass returns the best match for highlight class name
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// based on the rule of highlight.js.
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func FileNameToHighlightClass(fname string) string {
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fname = strings.ToLower(fname)
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if ignoreFileNames[fname] {
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return "nohighlight"
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}
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if highlightFileNames[fname] {
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return fname
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}
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ext := path.Ext(fname)
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if _, ok := highlightExts[ext]; ok {
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return ext[1:]
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}
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name, ok := highlightMapping[ext]
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if ok {
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return name
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}
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return ""
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}
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