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https://codeberg.org/forgejo/forgejo.git
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0c6137617f
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.
90 lines
2 KiB
Go
90 lines
2 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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package markup
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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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"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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func init() {
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markup.RegisterParser(Parser{})
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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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// 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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// 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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// 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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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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rd := csv.CreateReaderAndGuessDelimiter(rawBytes)
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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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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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row++
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}
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tmpBlock.WriteString("</table>")
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return tmpBlock.Bytes()
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}
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