80 lines
1.7 KiB
Go
80 lines
1.7 KiB
Go
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// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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//go:build ignore
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/*
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This tool is used to compare the CSS names in a chroma builtin styles with the Gitea theme CSS names.
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It outputs the difference between the two sets of CSS names, eg:
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```
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CSS names not in builtin:
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.chroma .ln
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----
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Builtin CSS names not in file:
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.chroma .vm
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```
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Developers could use this tool to re-sync the CSS names in the Gitea theme.
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*/
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package main
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import (
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"os"
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"regexp"
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"strings"
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"github.com/alecthomas/chroma/v2"
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)
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func main() {
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if len(os.Args) != 2 {
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println("Usage: chroma-style-diff css-or-less-file")
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os.Exit(1)
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}
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data, err := os.ReadFile(os.Args[1])
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if err != nil {
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println(err.Error())
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os.Exit(1)
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}
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content := string(data)
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// a simple CSS parser to collect CSS names
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content = regexp.MustCompile("//.*\r?\n").ReplaceAllString(content, "\n")
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content = regexp.MustCompile("/\\*.*?\\*/").ReplaceAllString(content, "")
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matches := regexp.MustCompile("\\s*([-.#:\\w\\s]+)\\s*\\{[^}]*}").FindAllStringSubmatch(content, -1)
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cssNames := map[string]bool{}
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for _, matchGroup := range matches {
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cssName := strings.TrimSpace(matchGroup[1])
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cssNames[cssName] = true
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}
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// collect Chroma builtin CSS names
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builtin := map[string]bool{}
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for tokenType, cssName := range chroma.StandardTypes {
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if tokenType > 0 && cssName != "" {
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builtin[".chroma ."+cssName] = true
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}
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}
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// show the diff
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println("CSS names not in builtin:")
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for cssName := range cssNames {
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if !builtin[cssName] {
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println(cssName)
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}
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}
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println("----")
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println("Builtin CSS names not in file:")
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for cssName := range builtin {
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if !cssNames[cssName] {
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println(cssName)
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}
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}
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}
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