99 lines
1.9 KiB
Go
99 lines
1.9 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]bool{
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".arm": true,
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".as": true,
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".sh": true,
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".cs": true,
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".cpp": true,
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".c": true,
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".css": true,
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".cmake": true,
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".bat": true,
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".dart": true,
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".patch": true,
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".elixir": true,
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".erlang": true,
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".go": true,
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".html": true,
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".xml": true,
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".hs": true,
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".ini": true,
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".json": true,
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".java": true,
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".js": true,
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".less": true,
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".lua": true,
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".php": true,
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".py": true,
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".rb": true,
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".scss": true,
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".sql": true,
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".scala": true,
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".swift": true,
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".ts": true,
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".vb": true,
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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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)
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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 highlightExts[ext] {
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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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