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	Implements request #14320 The rendering of CSV files does match the diff style. * Moved CSV logic into base package. * Added method to create a tabular diff. * Added CSV compare context. * Added CSV diff template. * Use new table style in CSV markup. * Added file size limit for CSV rendering. * Display CSV parser errors in diff. * Lazy read single file. * Lazy read rows for full diff. * Added unit tests for various CSV changes.
		
			
				
	
	
		
			91 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			91 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2018 The Gitea Authors. All rights reserved.
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| // Use of this source code is governed by a MIT-style
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| // license that can be found in the LICENSE file.
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| 
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| package markup
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| 
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| import (
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| 	"bytes"
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| 	"html"
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| 	"io"
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| 	"strconv"
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| 
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| 	"code.gitea.io/gitea/modules/csv"
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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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| 
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| func init() {
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| 	markup.RegisterParser(Parser{})
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| }
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| 
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| // Parser implements markup.Parser for csv files
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| type Parser struct {
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| }
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| 
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| // Name implements markup.Parser
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| func (Parser) Name() string {
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| 	return "csv"
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| }
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| 
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| // Extensions implements markup.Parser
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| func (Parser) Extensions() []string {
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| 	return []string{".csv", ".tsv"}
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| }
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| 
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| // Render implements markup.Parser
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| func (Parser) Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
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| 	var tmpBlock bytes.Buffer
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| 
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| 	if setting.UI.CSV.MaxFileSize != 0 && setting.UI.CSV.MaxFileSize < int64(len(rawBytes)) {
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| 		tmpBlock.WriteString("<pre>")
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| 		tmpBlock.WriteString(html.EscapeString(string(rawBytes)))
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| 		tmpBlock.WriteString("</pre>")
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| 		return tmpBlock.Bytes()
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| 	}
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| 
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| 	rd := csv.CreateReaderAndGuessDelimiter(rawBytes)
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| 
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| 	writeField := func(element, class, field string) {
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| 		tmpBlock.WriteString("<")
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| 		tmpBlock.WriteString(element)
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| 		if len(class) > 0 {
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| 			tmpBlock.WriteString(" class=\"")
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| 			tmpBlock.WriteString(class)
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| 			tmpBlock.WriteString("\"")
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| 		}
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| 		tmpBlock.WriteString(">")
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| 		tmpBlock.WriteString(html.EscapeString(field))
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| 		tmpBlock.WriteString("</")
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| 		tmpBlock.WriteString(element)
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| 		tmpBlock.WriteString(">")
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| 	}
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| 
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| 	tmpBlock.WriteString(`<table class="data-table">`)
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| 	row := 1
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| 	for {
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| 		fields, err := rd.Read()
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| 		if err == io.EOF {
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| 			break
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| 		}
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| 		if err != nil {
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| 			continue
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| 		}
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| 		tmpBlock.WriteString("<tr>")
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| 		element := "td"
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| 		if row == 1 {
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| 			element = "th"
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| 		}
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| 		writeField(element, "line-num", strconv.Itoa(row))
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| 		for _, field := range fields {
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| 			writeField(element, "", field)
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| 		}
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| 		tmpBlock.WriteString("</tr>")
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| 
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| 		row++
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| 	}
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| 	tmpBlock.WriteString("</table>")
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| 
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| 	return tmpBlock.Bytes()
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| }
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