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53 lines
1.4 KiB
53 lines
1.4 KiB
// Copyright 2023 The Gitea Authors. All rights reserved. |
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// SPDX-License-Identifier: MIT |
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package asciicast |
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import ( |
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"fmt" |
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"io" |
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"net/url" |
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"code.gitea.io/gitea/modules/markup" |
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"code.gitea.io/gitea/modules/setting" |
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) |
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func init() { |
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markup.RegisterRenderer(Renderer{}) |
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} |
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// Renderer implements markup.Renderer for asciicast files. |
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// See https://github.com/asciinema/asciinema/blob/develop/doc/asciicast-v2.md |
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type Renderer struct{} |
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// Name implements markup.Renderer |
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func (Renderer) Name() string { |
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return "asciicast" |
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} |
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// Extensions implements markup.Renderer |
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func (Renderer) Extensions() []string { |
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return []string{".cast"} |
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} |
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const ( |
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playerClassName = "asciinema-player-container" |
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playerSrcAttr = "data-asciinema-player-src" |
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) |
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// SanitizerRules implements markup.Renderer |
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func (Renderer) SanitizerRules() []setting.MarkupSanitizerRule { |
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return []setting.MarkupSanitizerRule{{Element: "div", AllowAttr: playerSrcAttr}} |
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} |
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// Render implements markup.Renderer |
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func (Renderer) Render(ctx *markup.RenderContext, _ io.Reader, output io.Writer) error { |
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rawURL := fmt.Sprintf("%s/%s/%s/raw/%s/%s", |
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setting.AppSubURL, |
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url.PathEscape(ctx.RenderOptions.Metas["user"]), |
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url.PathEscape(ctx.RenderOptions.Metas["repo"]), |
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ctx.RenderOptions.Metas["RefTypeNameSubURL"], |
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url.PathEscape(ctx.RenderOptions.RelativePath), |
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) |
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return ctx.RenderInternal.FormatWithSafeAttrs(output, `<div class="%s" %s="%s"></div>`, playerClassName, playerSrcAttr, rawURL) |
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}
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