From d89029ebac04ae0f759008562d5d48bf4534e982 Mon Sep 17 00:00:00 2001 From: zeripath Date: Sun, 15 Aug 2021 04:39:23 +0100 Subject: [PATCH] Ensure empty lines are copiable and final new line too (#16678) (#16692) Backport #16678 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 Signed-off-by: Andrew Thornton --- modules/highlight/highlight.go | 13 ++++ modules/highlight/highlight_test.go | 103 ++++++++++++++++++++++++++++ 2 files changed, 116 insertions(+) create mode 100644 modules/highlight/highlight_test.go diff --git a/modules/highlight/highlight.go b/modules/highlight/highlight.go index 568035fbb7fb0..ed0548578a75e 100644 --- a/modules/highlight/highlight.go +++ b/modules/highlight/highlight.go @@ -166,6 +166,11 @@ func File(numLines int, fileName string, code []byte) map[int]string { } htmlw.Flush() + finalNewLine := false + if len(code) > 0 { + finalNewLine = code[len(code)-1] == '\n' + } + m := make(map[int]string, numLines) for k, v := range strings.SplitN(htmlbuf.String(), "\n", numLines) { line := k + 1 @@ -173,9 +178,17 @@ func File(numLines int, fileName string, code []byte) map[int]string { //need to keep lines that are only \n so copy/paste works properly in browser if content == "" { content = "\n" + } else if content == `` { + content += "\n" } + content = strings.TrimSuffix(content, ``) + content = strings.TrimPrefix(content, ``) m[line] = content } + if finalNewLine { + m[numLines+1] = "\n" + } + return m } diff --git a/modules/highlight/highlight_test.go b/modules/highlight/highlight_test.go new file mode 100644 index 0000000000000..7c5afaa52cc46 --- /dev/null +++ b/modules/highlight/highlight_test.go @@ -0,0 +1,103 @@ +// Copyright 2021 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 highlight + +import ( + "reflect" + "testing" + + "code.gitea.io/gitea/modules/setting" + "gopkg.in/ini.v1" +) + +func TestFile(t *testing.T) { + setting.Cfg = ini.Empty() + tests := []struct { + name string + numLines int + fileName string + code string + want map[int]string + }{ + { + name: ".drone.yml", + numLines: 12, + fileName: ".drone.yml", + code: `kind: pipeline +name: default + +steps: +- name: test + image: golang:1.13 + environment: + GOPROXY: https://goproxy.cn + commands: + - go get -u + - go build -v + - go test -v -race -coverprofile=coverage.txt -covermode=atomic +`, + want: map[int]string{ + 1: `kind: pipeline`, + 2: `name: default`, + 3: ` +`, + 4: `steps:`, + 5: `- name: test`, + 6: ` image: golang:1.13`, + 7: ` environment:`, + 8: ` GOPROXY: https://goproxy.cn`, + 9: ` commands:`, + 10: ` - go get -u`, + 11: ` - go build -v`, + 12: ` - go test -v -race -coverprofile=coverage.txt -covermode=atomic +`, + 13: ` +`, + }, + }, + { + name: ".drone.yml - trailing space", + numLines: 13, + fileName: ".drone.yml", + code: `kind: pipeline +name: default ` + ` + +steps: +- name: test + image: golang:1.13 + environment: + GOPROXY: https://goproxy.cn + commands: + - go get -u + - go build -v + - go test -v -race -coverprofile=coverage.txt -covermode=atomic + `, + want: map[int]string{ + 1: `kind: pipeline`, + 2: `name: default `, + 3: ` +`, + 4: `steps:`, + 5: `- name: test`, + 6: ` image: golang:1.13`, + 7: ` environment:`, + 8: ` GOPROXY: https://goproxy.cn`, + 9: ` commands:`, + 10: ` - go get -u`, + 11: ` - go build -v`, + 12: ` - go test -v -race -coverprofile=coverage.txt -covermode=atomic`, + 13: ` `, + }, + }, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + if got := File(tt.numLines, tt.fileName, []byte(tt.code)); !reflect.DeepEqual(got, tt.want) { + t.Errorf("File() = %v, want %v", got, tt.want) + } + }) + } +}