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Ensure empty lines are copiable and final new line too (#16678)
* Ensure empty lines are copiable and final new line too When files are highlighted the newline character needs to be added in a whitespace compliant mode. Also ensure the final empty newline is rendered. Fix #16434 * Add test and ensure spans closed Signed-off-by: Andrew Thornton <art27@cantab.net>
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2 changed files with 116 additions and 0 deletions
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@ -166,6 +166,11 @@ func File(numLines int, fileName string, code []byte) map[int]string {
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}
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htmlw.Flush()
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finalNewLine := false
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if len(code) > 0 {
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finalNewLine = code[len(code)-1] == '\n'
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}
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m := make(map[int]string, numLines)
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for k, v := range strings.SplitN(htmlbuf.String(), "\n", numLines) {
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line := k + 1
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@ -173,9 +178,17 @@ func File(numLines int, fileName string, code []byte) map[int]string {
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//need to keep lines that are only \n so copy/paste works properly in browser
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if content == "" {
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content = "\n"
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} else if content == `</span><span class="w">` {
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content += "\n</span>"
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}
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content = strings.TrimSuffix(content, `<span class="w">`)
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content = strings.TrimPrefix(content, `</span>`)
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m[line] = content
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}
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if finalNewLine {
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m[numLines+1] = "<span class=\"w\">\n</span>"
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}
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return m
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}
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103
modules/highlight/highlight_test.go
Normal file
103
modules/highlight/highlight_test.go
Normal file
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@ -0,0 +1,103 @@
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// Copyright 2021 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 highlight
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import (
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"reflect"
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"testing"
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"code.gitea.io/gitea/modules/setting"
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"gopkg.in/ini.v1"
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)
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func TestFile(t *testing.T) {
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setting.Cfg = ini.Empty()
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tests := []struct {
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name string
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numLines int
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fileName string
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code string
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want map[int]string
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}{
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{
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name: ".drone.yml",
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numLines: 12,
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fileName: ".drone.yml",
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code: `kind: pipeline
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name: default
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steps:
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- name: test
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image: golang:1.13
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environment:
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GOPROXY: https://goproxy.cn
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commands:
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- go get -u
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- go build -v
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- go test -v -race -coverprofile=coverage.txt -covermode=atomic
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`,
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want: map[int]string{
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1: `<span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l">pipeline</span>`,
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2: `<span class="w"></span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">default</span>`,
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3: `<span class="w">
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</span>`,
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4: `<span class="w"></span><span class="nt">steps</span><span class="p">:</span>`,
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5: `<span class="w"></span>- <span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">test</span>`,
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6: `<span class="w"> </span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l">golang:1.13</span>`,
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7: `<span class="w"> </span><span class="nt">environment</span><span class="p">:</span>`,
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8: `<span class="w"></span><span class="w"> </span><span class="nt">GOPROXY</span><span class="p">:</span><span class="w"> </span><span class="l">https://goproxy.cn</span>`,
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9: `<span class="w"> </span><span class="nt">commands</span><span class="p">:</span>`,
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10: `<span class="w"></span><span class="w"> </span>- <span class="l">go get -u</span>`,
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11: `<span class="w"> </span>- <span class="l">go build -v</span>`,
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12: `<span class="w"> </span>- <span class="l">go test -v -race -coverprofile=coverage.txt -covermode=atomic</span><span class="w">
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</span>`,
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13: `<span class="w">
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</span>`,
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},
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},
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{
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name: ".drone.yml - trailing space",
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numLines: 13,
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fileName: ".drone.yml",
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code: `kind: pipeline
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name: default ` + `
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steps:
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- name: test
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image: golang:1.13
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environment:
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GOPROXY: https://goproxy.cn
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commands:
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- go get -u
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- go build -v
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- go test -v -race -coverprofile=coverage.txt -covermode=atomic
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`,
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want: map[int]string{
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1: `<span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l">pipeline</span>`,
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2: `<span class="w"></span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">default </span>`,
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3: `<span class="w">
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</span>`,
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4: `<span class="w"></span><span class="nt">steps</span><span class="p">:</span>`,
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5: `<span class="w"></span>- <span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">test</span>`,
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6: `<span class="w"> </span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l">golang:1.13</span>`,
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7: `<span class="w"> </span><span class="nt">environment</span><span class="p">:</span>`,
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8: `<span class="w"></span><span class="w"> </span><span class="nt">GOPROXY</span><span class="p">:</span><span class="w"> </span><span class="l">https://goproxy.cn</span>`,
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9: `<span class="w"> </span><span class="nt">commands</span><span class="p">:</span>`,
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10: `<span class="w"></span><span class="w"> </span>- <span class="l">go get -u</span>`,
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11: `<span class="w"> </span>- <span class="l">go build -v</span>`,
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12: `<span class="w"> </span>- <span class="l">go test -v -race -coverprofile=coverage.txt -covermode=atomic</span>`,
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13: `<span class="w"> </span>`,
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := File(tt.numLines, tt.fileName, []byte(tt.code)); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("File() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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