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mirror of https://github.com/go-gitea/gitea.git synced 2025-07-26 11:04:27 -04:00
wxiaoguang 3f9c3e7bc3
Refactor render system ()
There were too many patches to the Render system, it's really difficult
to make further improvements.

This PR clears the legacy problems and fix TODOs.

1. Rename `RenderContext.Type` to `RenderContext.MarkupType` to clarify
its usage.
2. Use `ContentMode` to replace `meta["mode"]` and `IsWiki`, to clarify
the rendering behaviors.
3. Use "wiki" mode instead of "mode=gfm + wiki=true"
4. Merge `renderByType` and `renderByFile`
5. Add more comments

----

The problem of "mode=document": in many cases it is not set, so many
non-comment places use comment's hard line break incorrectly
2024-11-14 05:02:11 +00:00

66 lines
1.6 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package console
import (
"bytes"
"io"
"path/filepath"
"regexp"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
trend "github.com/buildkite/terminal-to-html/v3"
"github.com/go-enry/go-enry/v2"
)
func init() {
markup.RegisterRenderer(Renderer{})
}
// Renderer implements markup.Renderer
type Renderer struct{}
// Name implements markup.Renderer
func (Renderer) Name() string {
return "console"
}
// Extensions implements markup.Renderer
func (Renderer) Extensions() []string {
return []string{".sh-session"}
}
// SanitizerRules implements markup.Renderer
func (Renderer) SanitizerRules() []setting.MarkupSanitizerRule {
return []setting.MarkupSanitizerRule{
{Element: "span", AllowAttr: "class", Regexp: regexp.MustCompile(`^term-((fg[ix]?|bg)\d+|container)$`)},
}
}
// CanRender implements markup.RendererContentDetector
func (Renderer) CanRender(filename string, input io.Reader) bool {
buf, err := io.ReadAll(input)
if err != nil {
return false
}
if enry.GetLanguage(filepath.Base(filename), buf) != enry.OtherLanguage {
return false
}
return bytes.ContainsRune(buf, '\x1b')
}
// Render renders terminal colors to HTML with all specific handling stuff.
func (Renderer) Render(ctx *markup.RenderContext, input io.Reader, output io.Writer) error {
buf, err := io.ReadAll(input)
if err != nil {
return err
}
buf = []byte(trend.Render(buf))
buf = bytes.ReplaceAll(buf, []byte("\n"), []byte(`<br>`))
_, err = output.Write(buf)
return err
}