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// Copyright 2018 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package markup
import (
"bytes"
"html"
"io"
"strconv"
"code.gitea.io/gitea/modules/csv"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
)
func init() {
markup.RegisterParser(Parser{})
}
// Parser implements markup.Parser for csv files
type Parser struct {
}
// Name implements markup.Parser
func (Parser) Name() string {
return "csv"
}
// NeedPostProcess implements markup.Parser
func (Parser) NeedPostProcess() bool { return false }
// Extensions implements markup.Parser
func (Parser) Extensions() []string {
return []string{".csv", ".tsv"}
}
// Render implements markup.Parser
func (Parser) Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
var tmpBlock bytes.Buffer
if setting.UI.CSV.MaxFileSize != 0 && setting.UI.CSV.MaxFileSize < int64(len(rawBytes)) {
tmpBlock.WriteString("<pre>")
tmpBlock.WriteString(html.EscapeString(string(rawBytes)))
tmpBlock.WriteString("</pre>")
return tmpBlock.Bytes()
}
rd := csv.CreateReaderAndGuessDelimiter(rawBytes)
writeField := func(element, class, field string) {
tmpBlock.WriteString("<")
tmpBlock.WriteString(element)
if len(class) > 0 {
tmpBlock.WriteString(" class=\"")
tmpBlock.WriteString(class)
tmpBlock.WriteString("\"")
}
tmpBlock.WriteString(">")
tmpBlock.WriteString(html.EscapeString(field))
tmpBlock.WriteString("</")
tmpBlock.WriteString(element)
tmpBlock.WriteString(">")
}
tmpBlock.WriteString(`<table class="data-table">`)
row := 1
for {
fields, err := rd.Read()
if err == io.EOF {
break
}
if err != nil {
continue
}
tmpBlock.WriteString("<tr>")
element := "td"
if row == 1 {
element = "th"
}
writeField(element, "line-num", strconv.Itoa(row))
for _, field := range fields {
writeField(element, "", field)
}
tmpBlock.WriteString("</tr>")
row++
}
tmpBlock.WriteString("</table>")
return tmpBlock.Bytes()
}
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