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	1. Add the color on the link to the referenced file, which is the more likely thing the user wants to click 2. Use monospace font on the SHA 3. Tweak text colors 4. Change SHA link to go to the commit instead of the repo root with commit filter set 5. Added the repo name to the file link text 6. Fix broken line numbering rendering
		
			
				
	
	
		
			121 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2024 The Gitea Authors. All rights reserved.
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| // SPDX-License-Identifier: MIT
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| 
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| package markup
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| 
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| import (
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| 	"bufio"
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| 	"context"
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| 	"errors"
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| 	"html/template"
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| 	"strings"
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| 
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| 	"code.gitea.io/gitea/models/perm/access"
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| 	"code.gitea.io/gitea/models/repo"
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| 	"code.gitea.io/gitea/models/unit"
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| 	"code.gitea.io/gitea/modules/charset"
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| 	"code.gitea.io/gitea/modules/git/languagestats"
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| 	"code.gitea.io/gitea/modules/gitrepo"
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| 	"code.gitea.io/gitea/modules/indexer/code"
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| 	"code.gitea.io/gitea/modules/markup"
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| 	"code.gitea.io/gitea/modules/setting"
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| 	"code.gitea.io/gitea/modules/util"
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| 	gitea_context "code.gitea.io/gitea/services/context"
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| )
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| 
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| func renderRepoFileCodePreview(ctx context.Context, opts markup.RenderCodePreviewOptions) (template.HTML, error) {
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| 	opts.LineStop = max(opts.LineStop, opts.LineStart)
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| 	lineCount := opts.LineStop - opts.LineStart + 1
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| 	if lineCount <= 0 || lineCount > 140 /* GitHub at most show 140 lines */ {
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| 		lineCount = 10
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| 		opts.LineStop = opts.LineStart + lineCount
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| 	}
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| 
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| 	dbRepo, err := repo.GetRepositoryByOwnerAndName(ctx, opts.OwnerName, opts.RepoName)
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| 	if err != nil {
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| 		return "", err
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| 	}
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| 
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| 	webCtx := gitea_context.GetWebContext(ctx)
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| 	if webCtx == nil {
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| 		return "", errors.New("context is not a web context")
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| 	}
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| 	doer := webCtx.Doer
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| 
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| 	perms, err := access.GetUserRepoPermission(ctx, dbRepo, doer)
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| 	if err != nil {
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| 		return "", err
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| 	}
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| 	if !perms.CanRead(unit.TypeCode) {
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| 		return "", util.ErrPermissionDenied
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| 	}
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| 
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| 	gitRepo, err := gitrepo.OpenRepository(ctx, dbRepo)
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| 	if err != nil {
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| 		return "", err
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| 	}
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| 	defer gitRepo.Close()
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| 
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| 	commit, err := gitRepo.GetCommit(opts.CommitID)
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| 	if err != nil {
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| 		return "", err
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| 	}
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| 
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| 	language, _ := languagestats.GetFileLanguage(ctx, gitRepo, opts.CommitID, opts.FilePath)
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| 	blob, err := commit.GetBlobByPath(opts.FilePath)
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| 	if err != nil {
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| 		return "", err
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| 	}
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| 
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| 	if blob.Size() > setting.UI.MaxDisplayFileSize {
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| 		return "", errors.New("file is too large")
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| 	}
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| 
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| 	dataRc, err := blob.DataAsync()
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| 	if err != nil {
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| 		return "", err
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| 	}
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| 	defer dataRc.Close()
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| 
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| 	reader := bufio.NewReader(dataRc)
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| 	for i := 1; i < opts.LineStart; i++ {
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| 		if _, err = reader.ReadBytes('\n'); err != nil {
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| 			return "", err
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| 		}
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| 	}
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| 
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| 	lineNums := make([]int, 0, lineCount)
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| 	lineCodes := make([]string, 0, lineCount)
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| 	for i := opts.LineStart; i <= opts.LineStop; i++ {
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| 		line, err := reader.ReadString('\n')
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| 		if err != nil && line == "" {
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| 			break
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| 		}
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| 
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| 		lineNums = append(lineNums, i)
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| 		lineCodes = append(lineCodes, line)
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| 	}
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| 	realLineStop := max(opts.LineStart, opts.LineStart+len(lineNums)-1)
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| 	highlightLines := code.HighlightSearchResultCode(opts.FilePath, language, lineNums, strings.Join(lineCodes, ""))
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| 
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| 	escapeStatus := &charset.EscapeStatus{}
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| 	lineEscapeStatus := make([]*charset.EscapeStatus, len(highlightLines))
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| 	for i, hl := range highlightLines {
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| 		lineEscapeStatus[i], hl.FormattedContent = charset.EscapeControlHTML(hl.FormattedContent, webCtx.Base.Locale, charset.RuneNBSP)
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| 		escapeStatus = escapeStatus.Or(lineEscapeStatus[i])
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| 	}
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| 
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| 	return webCtx.RenderToHTML("base/markup_codepreview", map[string]any{
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| 		"FullURL":          opts.FullURL,
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| 		"FilePath":         opts.FilePath,
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| 		"LineStart":        opts.LineStart,
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| 		"LineStop":         realLineStop,
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| 		"RepoName":         opts.RepoName,
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| 		"RepoLink":         dbRepo.Link(),
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| 		"CommitID":         opts.CommitID,
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| 		"HighlightLines":   highlightLines,
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| 		"EscapeStatus":     escapeStatus,
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| 		"LineEscapeStatus": lineEscapeStatus,
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| 	})
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| }
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