forgejo/templates/repo/view_file.tmpl

<div id="file-content" class="{{TabSizeClass .Editorconfig .FileName}}">
	<h4 class="ui top attached header" id="{{if .ReadmeExist}}repo-readme{{else}}repo-read-file{{end}}">
		{{if .ReadmeExist}}
			<i class="book icon ui left"></i>
			{{if .ReadmeInList}}
				<strong>{{.FileName}}</strong>
			{{else}}
				<strong>{{.FileName}}</strong> <span class="text grey normal">{{FileSize .FileSize}}</span>
			{{end}}
		{{else}}
			<i class="file text outline icon ui left"></i>
			<strong>{{.FileName}}</strong> <span class="text grey normal">{{FileSize .FileSize}}</span>
		{{end}}
		{{if not .ReadmeInList}}
			<div class="ui right">
				<div class="ui small grey basic buttons">
					{{if not .IsViewCommit}}
						<a class="ui button" href="{{.RepoLink}}/src/{{.CommitID}}/{{EscapePound .TreeName}}">{{.i18n.Tr "repo.file_permalink"}}</a>
					{{end}}
					<a class="ui button" href="{{.RepoLink}}/commits/{{EscapePound .BranchName}}/{{EscapePound .TreeName}}">{{.i18n.Tr "repo.file_history"}}</a>
					<a class="ui button" href="{{EscapePound .FileLink}}">{{.i18n.Tr "repo.file_raw"}}</a>
				</div>
			</div>
		{{end}}
	</h4>
	<div class="ui attached table segment">
		<div class="file-view {{if .ReadmeExist}}markdown{{else if .IsFileText}}code-view{{end}} has-emoji">
			{{if .ReadmeExist}}
				{{if .FileContent}}{{.FileContent | Str2html}}{{end}}
			{{else if not .IsFileText}}
				<div class="view-raw ui center">
					{{if .IsImageFile}}
						<img src="{{EscapePound .FileLink}}">
					{{else if .IsPDFFile}}
						<iframe width="100%" height="600px" src="{{AppSubUrl}}/plugins/pdfjs-1.4.20/web/viewer.html?file={{EscapePound .FileLink}}"></iframe>
					{{else}}
						<a href="{{EscapePound .FileLink}}" rel="nofollow" class="btn btn-gray btn-radius">{{.i18n.Tr "repo.file_view_raw"}}</a>
					{{end}}
				</div>
			{{else if .FileSize}}
				<table>
					<tbody>
						<tr>
						{{if .IsFileTooLarge}}
							<td><strong>{{.i18n.Tr "repo.file_too_large"}}</strong></td>
						{{else}}
							<td class="lines-num">{{.LineNums}}</td>
							<td class="lines-code"><pre><code class="{{.HighlightClass}}"><ol class="linenums">{{.FileContent}}</ol></code></pre></td>
						{{end}}
						</tr>
					</tbody>
				</table>
			{{end}}
		</div>
	</div>
</div>