From 674d627f8832d565efd290b7d1473471c884ddfb Mon Sep 17 00:00:00 2001
From: wxiaoguang
Date: Wed, 3 Apr 2024 01:48:27 +0800
Subject: [PATCH] Render embedded code preview by permlink in markdown (#30234)
The permlink in markdown will be rendered as a code preview block, like GitHub
Co-authored-by: silverwind
---
modules/charset/escape_test.go | 6 +-
modules/csv/csv_test.go | 4 +-
modules/indexer/code/search.go | 16 +--
modules/markup/html.go | 1 +
modules/markup/html_codepreview.go | 92 ++++++++++++++
modules/markup/html_codepreview_test.go | 34 +++++
modules/markup/renderer.go | 3 +
modules/markup/sanitizer.go | 15 +++
modules/translation/mock.go | 18 ++-
options/locale/locale_en-US.ini | 2 +
routers/web/repo/search.go | 2 +-
routers/web/repo/wiki_test.go | 2 +-
services/contexttest/context_tests.go | 1 +
services/markup/main_test.go | 2 +-
services/markup/processorhelper.go | 2 +
.../markup/processorhelper_codepreview.go | 117 ++++++++++++++++++
.../processorhelper_codepreview_test.go | 83 +++++++++++++
templates/base/markup_codepreview.tmpl | 25 ++++
web_src/css/base.css | 5 +-
web_src/css/index.css | 1 +
web_src/css/markup/codepreview.css | 36 ++++++
web_src/css/markup/content.css | 4 +-
22 files changed, 450 insertions(+), 21 deletions(-)
create mode 100644 modules/markup/html_codepreview.go
create mode 100644 modules/markup/html_codepreview_test.go
create mode 100644 services/markup/processorhelper_codepreview.go
create mode 100644 services/markup/processorhelper_codepreview_test.go
create mode 100644 templates/base/markup_codepreview.tmpl
create mode 100644 web_src/css/markup/codepreview.css
diff --git a/modules/charset/escape_test.go b/modules/charset/escape_test.go
index a353ced63169f..9d796a0c1832e 100644
--- a/modules/charset/escape_test.go
+++ b/modules/charset/escape_test.go
@@ -4,6 +4,7 @@
package charset
import (
+ "regexp"
"strings"
"testing"
@@ -156,13 +157,16 @@ func TestEscapeControlReader(t *testing.T) {
tests = append(tests, test)
}
+ re := regexp.MustCompile(`repo.ambiguous_character:\d+,\d+`) // simplify the output for the tests, remove the translation variants
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
output := &strings.Builder{}
status, err := EscapeControlReader(strings.NewReader(tt.text), output, &translation.MockLocale{})
assert.NoError(t, err)
assert.Equal(t, tt.status, *status)
- assert.Equal(t, tt.result, output.String())
+ outStr := output.String()
+ outStr = re.ReplaceAllString(outStr, "repo.ambiguous_character")
+ assert.Equal(t, tt.result, outStr)
})
}
}
diff --git a/modules/csv/csv_test.go b/modules/csv/csv_test.go
index f6e782a5a460d..3ddb47acbbe77 100644
--- a/modules/csv/csv_test.go
+++ b/modules/csv/csv_test.go
@@ -561,14 +561,14 @@ func TestFormatError(t *testing.T) {
err: &csv.ParseError{
Err: csv.ErrFieldCount,
},
- expectedMessage: "repo.error.csv.invalid_field_count",
+ expectedMessage: "repo.error.csv.invalid_field_count:0",
expectsError: false,
},
{
err: &csv.ParseError{
Err: csv.ErrBareQuote,
},
- expectedMessage: "repo.error.csv.unexpected",
+ expectedMessage: "repo.error.csv.unexpected:0,0",
expectsError: false,
},
{
diff --git a/modules/indexer/code/search.go b/modules/indexer/code/search.go
index 5f35e8073b6cb..74c957dde65e4 100644
--- a/modules/indexer/code/search.go
+++ b/modules/indexer/code/search.go
@@ -22,7 +22,7 @@ type Result struct {
UpdatedUnix timeutil.TimeStamp
Language string
Color string
- Lines []ResultLine
+ Lines []*ResultLine
}
type ResultLine struct {
@@ -70,16 +70,18 @@ func writeStrings(buf *bytes.Buffer, strs ...string) error {
return nil
}
-func HighlightSearchResultCode(filename string, lineNums []int, code string) []ResultLine {
+func HighlightSearchResultCode(filename, language string, lineNums []int, code string) []*ResultLine {
// we should highlight the whole code block first, otherwise it doesn't work well with multiple line highlighting
- hl, _ := highlight.Code(filename, "", code)
+ hl, _ := highlight.Code(filename, language, code)
highlightedLines := strings.Split(string(hl), "\n")
// The lineNums outputted by highlight.Code might not match the original lineNums, because "highlight" removes the last `\n`
- lines := make([]ResultLine, min(len(highlightedLines), len(lineNums)))
+ lines := make([]*ResultLine, min(len(highlightedLines), len(lineNums)))
for i := 0; i < len(lines); i++ {
- lines[i].Num = lineNums[i]
- lines[i].FormattedContent = template.HTML(highlightedLines[i])
+ lines[i] = &ResultLine{
+ Num: lineNums[i],
+ FormattedContent: template.HTML(highlightedLines[i]),
+ }
}
return lines
}
@@ -122,7 +124,7 @@ func searchResult(result *internal.SearchResult, startIndex, endIndex int) (*Res
UpdatedUnix: result.UpdatedUnix,
Language: result.Language,
Color: result.Color,
- Lines: HighlightSearchResultCode(result.Filename, lineNums, formattedLinesBuffer.String()),
+ Lines: HighlightSearchResultCode(result.Filename, result.Language, lineNums, formattedLinesBuffer.String()),
}, nil
}
diff --git a/modules/markup/html.go b/modules/markup/html.go
index 21bd6206e0eb7..56aa1cb49cf9c 100644
--- a/modules/markup/html.go
+++ b/modules/markup/html.go
@@ -171,6 +171,7 @@ type processor func(ctx *RenderContext, node *html.Node)
var defaultProcessors = []processor{
fullIssuePatternProcessor,
comparePatternProcessor,
+ codePreviewPatternProcessor,
fullHashPatternProcessor,
shortLinkProcessor,
linkProcessor,
diff --git a/modules/markup/html_codepreview.go b/modules/markup/html_codepreview.go
new file mode 100644
index 0000000000000..d9da24ea34495
--- /dev/null
+++ b/modules/markup/html_codepreview.go
@@ -0,0 +1,92 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package markup
+
+import (
+ "html/template"
+ "net/url"
+ "regexp"
+ "strconv"
+ "strings"
+
+ "code.gitea.io/gitea/modules/httplib"
+ "code.gitea.io/gitea/modules/log"
+
+ "golang.org/x/net/html"
+)
+
+// codePreviewPattern matches "http://domain/.../{owner}/{repo}/src/commit/{commit}/{filepath}#L10-L20"
+var codePreviewPattern = regexp.MustCompile(`https?://\S+/([^\s/]+)/([^\s/]+)/src/commit/([0-9a-f]{7,64})(/\S+)#(L\d+(-L\d+)?)`)
+
+type RenderCodePreviewOptions struct {
+ FullURL string
+ OwnerName string
+ RepoName string
+ CommitID string
+ FilePath string
+
+ LineStart, LineStop int
+}
+
+func renderCodeBlock(ctx *RenderContext, node *html.Node) (urlPosStart, urlPosStop int, htm template.HTML, err error) {
+ m := codePreviewPattern.FindStringSubmatchIndex(node.Data)
+ if m == nil {
+ return 0, 0, "", nil
+ }
+
+ opts := RenderCodePreviewOptions{
+ FullURL: node.Data[m[0]:m[1]],
+ OwnerName: node.Data[m[2]:m[3]],
+ RepoName: node.Data[m[4]:m[5]],
+ CommitID: node.Data[m[6]:m[7]],
+ FilePath: node.Data[m[8]:m[9]],
+ }
+ if !httplib.IsCurrentGiteaSiteURL(opts.FullURL) {
+ return 0, 0, "", nil
+ }
+ u, err := url.Parse(opts.FilePath)
+ if err != nil {
+ return 0, 0, "", err
+ }
+ opts.FilePath = strings.TrimPrefix(u.Path, "/")
+
+ lineStartStr, lineStopStr, _ := strings.Cut(node.Data[m[10]:m[11]], "-")
+ lineStart, _ := strconv.Atoi(strings.TrimPrefix(lineStartStr, "L"))
+ lineStop, _ := strconv.Atoi(strings.TrimPrefix(lineStopStr, "L"))
+ opts.LineStart, opts.LineStop = lineStart, lineStop
+ h, err := DefaultProcessorHelper.RenderRepoFileCodePreview(ctx.Ctx, opts)
+ return m[0], m[1], h, err
+}
+
+func codePreviewPatternProcessor(ctx *RenderContext, node *html.Node) {
+ for node != nil {
+ if node.Type != html.TextNode {
+ node = node.NextSibling
+ continue
+ }
+ urlPosStart, urlPosEnd, h, err := renderCodeBlock(ctx, node)
+ if err != nil || h == "" {
+ if err != nil {
+ log.Error("Unable to render code preview: %v", err)
+ }
+ node = node.NextSibling
+ continue
+ }
+ next := node.NextSibling
+ textBefore := node.Data[:urlPosStart]
+ textAfter := node.Data[urlPosEnd:]
+ // "textBefore" could be empty if there is only a URL in the text node, then an empty node (p, or li) will be left here.
+ // However, the empty node can't be simply removed, because:
+ // 1. the following processors will still try to access it (need to double-check undefined behaviors)
+ // 2. the new node is inserted as "{TextBefore}
{TextAfter}
" (the parent could also be "li")
+ // then it is resolved as: "{TextBefore}
{TextAfter}
",
+ // so unless it could correctly replace the parent "p/li" node, it is very difficult to eliminate the "TextBefore" empty node.
+ node.Data = textBefore
+ node.Parent.InsertBefore(&html.Node{Type: html.RawNode, Data: string(h)}, next)
+ if textAfter != "" {
+ node.Parent.InsertBefore(&html.Node{Type: html.TextNode, Data: textAfter}, next)
+ }
+ node = next
+ }
+}
diff --git a/modules/markup/html_codepreview_test.go b/modules/markup/html_codepreview_test.go
new file mode 100644
index 0000000000000..d33630d0401b4
--- /dev/null
+++ b/modules/markup/html_codepreview_test.go
@@ -0,0 +1,34 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package markup_test
+
+import (
+ "context"
+ "html/template"
+ "strings"
+ "testing"
+
+ "code.gitea.io/gitea/modules/git"
+ "code.gitea.io/gitea/modules/markup"
+
+ "github.com/stretchr/testify/assert"
+)
+
+func TestRenderCodePreview(t *testing.T) {
+ markup.Init(&markup.ProcessorHelper{
+ RenderRepoFileCodePreview: func(ctx context.Context, opts markup.RenderCodePreviewOptions) (template.HTML, error) {
+ return "code preview
", nil
+ },
+ })
+ test := func(input, expected string) {
+ buffer, err := markup.RenderString(&markup.RenderContext{
+ Ctx: git.DefaultContext,
+ Type: "markdown",
+ }, input)
+ assert.NoError(t, err)
+ assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
+ }
+ test("http://localhost:3000/owner/repo/src/commit/0123456789/foo/bar.md#L10-L20", "code preview
")
+ test("http://other/owner/repo/src/commit/0123456789/foo/bar.md#L10-L20", `http://other/owner/repo/src/commit/0123456789/foo/bar.md#L10-L20
`)
+}
diff --git a/modules/markup/renderer.go b/modules/markup/renderer.go
index 0f0bf557403e4..005fcc278b973 100644
--- a/modules/markup/renderer.go
+++ b/modules/markup/renderer.go
@@ -8,6 +8,7 @@ import (
"context"
"errors"
"fmt"
+ "html/template"
"io"
"net/url"
"path/filepath"
@@ -33,6 +34,8 @@ type ProcessorHelper struct {
IsUsernameMentionable func(ctx context.Context, username string) bool
ElementDir string // the direction of the elements, eg: "ltr", "rtl", "auto", default to no direction attribute
+
+ RenderRepoFileCodePreview func(ctx context.Context, options RenderCodePreviewOptions) (template.HTML, error)
}
var DefaultProcessorHelper ProcessorHelper
diff --git a/modules/markup/sanitizer.go b/modules/markup/sanitizer.go
index 79a2ba0dfb8d2..77fbdf4520fc6 100644
--- a/modules/markup/sanitizer.go
+++ b/modules/markup/sanitizer.go
@@ -60,6 +60,21 @@ func createDefaultPolicy() *bluemonday.Policy {
// For JS code copy and Mermaid loading state
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^code-block( is-loading)?$`)).OnElements("pre")
+ // For code preview
+ policy.AllowAttrs("class").Matching(regexp.MustCompile(`^code-preview-[-\w]+( file-content)?$`)).Globally()
+ policy.AllowAttrs("class").Matching(regexp.MustCompile(`^lines-num$`)).OnElements("td")
+ policy.AllowAttrs("data-line-number").OnElements("span")
+ policy.AllowAttrs("class").Matching(regexp.MustCompile(`^lines-code chroma$`)).OnElements("td")
+ policy.AllowAttrs("class").Matching(regexp.MustCompile(`^code-inner$`)).OnElements("code")
+
+ // For code preview (unicode escape)
+ policy.AllowAttrs("class").Matching(regexp.MustCompile(`^file-view( unicode-escaped)?$`)).OnElements("table")
+ policy.AllowAttrs("class").Matching(regexp.MustCompile(`^lines-escape$`)).OnElements("td")
+ policy.AllowAttrs("class").Matching(regexp.MustCompile(`^toggle-escape-button btn interact-bg$`)).OnElements("a") // don't use button, button might submit a form
+ policy.AllowAttrs("class").Matching(regexp.MustCompile(`^(ambiguous-code-point|escaped-code-point|broken-code-point)$`)).OnElements("span")
+ policy.AllowAttrs("class").Matching(regexp.MustCompile(`^char$`)).OnElements("span")
+ policy.AllowAttrs("data-tooltip-content", "data-escaped").OnElements("span")
+
// For color preview
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^color-preview$`)).OnElements("span")
diff --git a/modules/translation/mock.go b/modules/translation/mock.go
index 18fbc1044add5..f457271ea5478 100644
--- a/modules/translation/mock.go
+++ b/modules/translation/mock.go
@@ -6,6 +6,7 @@ package translation
import (
"fmt"
"html/template"
+ "strings"
)
// MockLocale provides a mocked locale without any translations
@@ -19,18 +20,25 @@ func (l MockLocale) Language() string {
return "en"
}
-func (l MockLocale) TrString(s string, _ ...any) string {
- return s
+func (l MockLocale) TrString(s string, args ...any) string {
+ return sprintAny(s, args...)
}
-func (l MockLocale) Tr(s string, a ...any) template.HTML {
- return template.HTML(s)
+func (l MockLocale) Tr(s string, args ...any) template.HTML {
+ return template.HTML(sprintAny(s, args...))
}
func (l MockLocale) TrN(cnt any, key1, keyN string, args ...any) template.HTML {
- return template.HTML(key1)
+ return template.HTML(sprintAny(key1, args...))
}
func (l MockLocale) PrettyNumber(v any) string {
return fmt.Sprint(v)
}
+
+func sprintAny(s string, args ...any) string {
+ if len(args) == 0 {
+ return s
+ }
+ return s + ":" + fmt.Sprintf(strings.Repeat(",%v", len(args))[1:], args...)
+}
diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 9787f4f2782ff..2f2ab2b1352eb 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -1233,6 +1233,8 @@ file_view_rendered = View Rendered
file_view_raw = View Raw
file_permalink = Permalink
file_too_large = The file is too large to be shown.
+code_preview_line_from_to = Lines %[1]d to %[2]d in %[3]s
+code_preview_line_in = Line %[1]d in %[2]s
invisible_runes_header = `This file contains invisible Unicode characters`
invisible_runes_description = `This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.`
ambiguous_runes_header = `This file contains ambiguous Unicode characters`
diff --git a/routers/web/repo/search.go b/routers/web/repo/search.go
index 9d65427b8f348..46f0208453585 100644
--- a/routers/web/repo/search.go
+++ b/routers/web/repo/search.go
@@ -81,7 +81,7 @@ func Search(ctx *context.Context) {
// UpdatedUnix: not supported yet
// Language: not supported yet
// Color: not supported yet
- Lines: code_indexer.HighlightSearchResultCode(r.Filename, r.LineNumbers, strings.Join(r.LineCodes, "\n")),
+ Lines: code_indexer.HighlightSearchResultCode(r.Filename, "", r.LineNumbers, strings.Join(r.LineCodes, "\n")),
})
}
}
diff --git a/routers/web/repo/wiki_test.go b/routers/web/repo/wiki_test.go
index 52e216e6a0ac2..8b5207f9d9503 100644
--- a/routers/web/repo/wiki_test.go
+++ b/routers/web/repo/wiki_test.go
@@ -145,7 +145,7 @@ func TestNewWikiPost_ReservedName(t *testing.T) {
})
NewWikiPost(ctx)
assert.EqualValues(t, http.StatusOK, ctx.Resp.Status())
- assert.EqualValues(t, ctx.Tr("repo.wiki.reserved_page"), ctx.Flash.ErrorMsg)
+ assert.EqualValues(t, ctx.Tr("repo.wiki.reserved_page", "_edit"), ctx.Flash.ErrorMsg)
assertWikiNotExists(t, ctx.Repo.Repository, "_edit")
}
diff --git a/services/contexttest/context_tests.go b/services/contexttest/context_tests.go
index d3e6de7efe4f9..3064c56590d45 100644
--- a/services/contexttest/context_tests.go
+++ b/services/contexttest/context_tests.go
@@ -63,6 +63,7 @@ func MockContext(t *testing.T, reqPath string, opts ...MockContextOption) (*cont
base.Locale = &translation.MockLocale{}
ctx := context.NewWebContext(base, opt.Render, nil)
+ ctx.AppendContextValue(context.WebContextKey, ctx)
ctx.PageData = map[string]any{}
ctx.Data["PageStartTime"] = time.Now()
chiCtx := chi.NewRouteContext()
diff --git a/services/markup/main_test.go b/services/markup/main_test.go
index 89fe3e7e3461a..5553ebc058948 100644
--- a/services/markup/main_test.go
+++ b/services/markup/main_test.go
@@ -11,6 +11,6 @@ import (
func TestMain(m *testing.M) {
unittest.MainTest(m, &unittest.TestOptions{
- FixtureFiles: []string{"user.yml"},
+ FixtureFiles: []string{"user.yml", "repository.yml", "access.yml", "repo_unit.yml"},
})
}
diff --git a/services/markup/processorhelper.go b/services/markup/processorhelper.go
index a4378678a08b5..68487fb8dbb57 100644
--- a/services/markup/processorhelper.go
+++ b/services/markup/processorhelper.go
@@ -14,6 +14,8 @@ import (
func ProcessorHelper() *markup.ProcessorHelper {
return &markup.ProcessorHelper{
ElementDir: "auto", // set dir="auto" for necessary (eg: , , etc) tags
+
+ RenderRepoFileCodePreview: renderRepoFileCodePreview,
IsUsernameMentionable: func(ctx context.Context, username string) bool {
mentionedUser, err := user.GetUserByName(ctx, username)
if err != nil {
diff --git a/services/markup/processorhelper_codepreview.go b/services/markup/processorhelper_codepreview.go
new file mode 100644
index 0000000000000..ef95046128d08
--- /dev/null
+++ b/services/markup/processorhelper_codepreview.go
@@ -0,0 +1,117 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package markup
+
+import (
+ "bufio"
+ "context"
+ "fmt"
+ "html/template"
+ "strings"
+
+ "code.gitea.io/gitea/models/perm/access"
+ "code.gitea.io/gitea/models/repo"
+ "code.gitea.io/gitea/models/unit"
+ "code.gitea.io/gitea/modules/charset"
+ "code.gitea.io/gitea/modules/gitrepo"
+ "code.gitea.io/gitea/modules/indexer/code"
+ "code.gitea.io/gitea/modules/markup"
+ "code.gitea.io/gitea/modules/setting"
+ gitea_context "code.gitea.io/gitea/services/context"
+ "code.gitea.io/gitea/services/repository/files"
+)
+
+func renderRepoFileCodePreview(ctx context.Context, opts markup.RenderCodePreviewOptions) (template.HTML, error) {
+ opts.LineStop = max(opts.LineStop, opts.LineStart)
+ lineCount := opts.LineStop - opts.LineStart + 1
+ if lineCount <= 0 || lineCount > 140 /* GitHub at most show 140 lines */ {
+ lineCount = 10
+ opts.LineStop = opts.LineStart + lineCount
+ }
+
+ dbRepo, err := repo.GetRepositoryByOwnerAndName(ctx, opts.OwnerName, opts.RepoName)
+ if err != nil {
+ return "", err
+ }
+
+ webCtx, ok := ctx.Value(gitea_context.WebContextKey).(*gitea_context.Context)
+ if !ok {
+ return "", fmt.Errorf("context is not a web context")
+ }
+ doer := webCtx.Doer
+
+ perms, err := access.GetUserRepoPermission(ctx, dbRepo, doer)
+ if err != nil {
+ return "", err
+ }
+ if !perms.CanRead(unit.TypeCode) {
+ return "", fmt.Errorf("no permission")
+ }
+
+ gitRepo, err := gitrepo.OpenRepository(ctx, dbRepo)
+ if err != nil {
+ return "", err
+ }
+ defer gitRepo.Close()
+
+ commit, err := gitRepo.GetCommit(opts.CommitID)
+ if err != nil {
+ return "", err
+ }
+
+ language, _ := files.TryGetContentLanguage(gitRepo, opts.CommitID, opts.FilePath)
+ blob, err := commit.GetBlobByPath(opts.FilePath)
+ if err != nil {
+ return "", err
+ }
+
+ if blob.Size() > setting.UI.MaxDisplayFileSize {
+ return "", fmt.Errorf("file is too large")
+ }
+
+ dataRc, err := blob.DataAsync()
+ if err != nil {
+ return "", err
+ }
+ defer dataRc.Close()
+
+ reader := bufio.NewReader(dataRc)
+ for i := 1; i < opts.LineStart; i++ {
+ if _, err = reader.ReadBytes('\n'); err != nil {
+ return "", err
+ }
+ }
+
+ lineNums := make([]int, 0, lineCount)
+ lineCodes := make([]string, 0, lineCount)
+ for i := opts.LineStart; i <= opts.LineStop; i++ {
+ if line, err := reader.ReadString('\n'); err != nil && line == "" {
+ break
+ } else {
+ lineNums = append(lineNums, i)
+ lineCodes = append(lineCodes, line)
+ }
+ }
+ realLineStop := max(opts.LineStart, opts.LineStart+len(lineNums)-1)
+ highlightLines := code.HighlightSearchResultCode(opts.FilePath, language, lineNums, strings.Join(lineCodes, ""))
+
+ escapeStatus := &charset.EscapeStatus{}
+ lineEscapeStatus := make([]*charset.EscapeStatus, len(highlightLines))
+ for i, hl := range highlightLines {
+ lineEscapeStatus[i], hl.FormattedContent = charset.EscapeControlHTML(hl.FormattedContent, webCtx.Base.Locale, charset.RuneNBSP)
+ escapeStatus = escapeStatus.Or(lineEscapeStatus[i])
+ }
+
+ return webCtx.RenderToHTML("base/markup_codepreview", map[string]any{
+ "FullURL": opts.FullURL,
+ "FilePath": opts.FilePath,
+ "LineStart": opts.LineStart,
+ "LineStop": realLineStop,
+ "RepoLink": dbRepo.Link(),
+ "CommitID": opts.CommitID,
+ "HighlightLines": highlightLines,
+ "EscapeStatus": escapeStatus,
+ "LineEscapeStatus": lineEscapeStatus,
+ })
+}
diff --git a/services/markup/processorhelper_codepreview_test.go b/services/markup/processorhelper_codepreview_test.go
new file mode 100644
index 0000000000000..01db792925e30
--- /dev/null
+++ b/services/markup/processorhelper_codepreview_test.go
@@ -0,0 +1,83 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package markup
+
+import (
+ "testing"
+
+ "code.gitea.io/gitea/models/unittest"
+ "code.gitea.io/gitea/modules/markup"
+ "code.gitea.io/gitea/modules/templates"
+ "code.gitea.io/gitea/services/contexttest"
+
+ "github.com/stretchr/testify/assert"
+)
+
+func TestProcessorHelperCodePreview(t *testing.T) {
+ assert.NoError(t, unittest.PrepareTestDatabase())
+
+ ctx, _ := contexttest.MockContext(t, "/", contexttest.MockContextOption{Render: templates.HTMLRenderer()})
+ htm, err := renderRepoFileCodePreview(ctx, markup.RenderCodePreviewOptions{
+ FullURL: "http://full",
+ OwnerName: "user2",
+ RepoName: "repo1",
+ CommitID: "65f1bf27bc3bf70f64657658635e66094edbcb4d",
+ FilePath: "/README.md",
+ LineStart: 1,
+ LineStop: 2,
+ })
+ assert.NoError(t, err)
+ assert.Equal(t, `
+`, string(htm))
+
+ ctx, _ = contexttest.MockContext(t, "/", contexttest.MockContextOption{Render: templates.HTMLRenderer()})
+ htm, err = renderRepoFileCodePreview(ctx, markup.RenderCodePreviewOptions{
+ FullURL: "http://full",
+ OwnerName: "user2",
+ RepoName: "repo1",
+ CommitID: "65f1bf27bc3bf70f64657658635e66094edbcb4d",
+ FilePath: "/README.md",
+ LineStart: 1,
+ })
+ assert.NoError(t, err)
+ assert.Equal(t, `
+`, string(htm))
+
+ ctx, _ = contexttest.MockContext(t, "/", contexttest.MockContextOption{Render: templates.HTMLRenderer()})
+ _, err = renderRepoFileCodePreview(ctx, markup.RenderCodePreviewOptions{
+ FullURL: "http://full",
+ OwnerName: "user15",
+ RepoName: "big_test_private_1",
+ CommitID: "65f1bf27bc3bf70f64657658635e66094edbcb4d",
+ FilePath: "/README.md",
+ LineStart: 1,
+ LineStop: 10,
+ })
+ assert.ErrorContains(t, err, "no permission")
+}
diff --git a/templates/base/markup_codepreview.tmpl b/templates/base/markup_codepreview.tmpl
new file mode 100644
index 0000000000000..c65ab284065c7
--- /dev/null
+++ b/templates/base/markup_codepreview.tmpl
@@ -0,0 +1,25 @@
+
+
+
+
+ {{- range $idx, $line := .HighlightLines -}}
+
+ |
+ {{- if $.EscapeStatus.Escaped -}}
+ {{- $lineEscapeStatus := index $.LineEscapeStatus $idx -}}
+ {{if $lineEscapeStatus.Escaped}}{{end}} |
+ {{- end}}
+ {{$line.FormattedContent}} |
+
+ {{- end -}}
+
+
+
diff --git a/web_src/css/base.css b/web_src/css/base.css
index 96c90ee692ec4..05ddba3223bb5 100644
--- a/web_src/css/base.css
+++ b/web_src/css/base.css
@@ -1186,10 +1186,13 @@ overflow-menu .ui.label {
content: attr(data-line-number);
line-height: 20px !important;
padding: 0 10px;
- cursor: pointer;
display: block;
}
+.code-view .lines-num span::after {
+ cursor: pointer;
+}
+
.lines-type-marker {
vertical-align: top;
}
diff --git a/web_src/css/index.css b/web_src/css/index.css
index 40b1d3c8811d3..7be8065dc780e 100644
--- a/web_src/css/index.css
+++ b/web_src/css/index.css
@@ -41,6 +41,7 @@
@import "./markup/content.css";
@import "./markup/codecopy.css";
+@import "./markup/codepreview.css";
@import "./markup/asciicast.css";
@import "./chroma/base.css";
diff --git a/web_src/css/markup/codepreview.css b/web_src/css/markup/codepreview.css
new file mode 100644
index 0000000000000..92195449939e3
--- /dev/null
+++ b/web_src/css/markup/codepreview.css
@@ -0,0 +1,36 @@
+.markup .code-preview-container {
+ border: 1px solid var(--color-secondary);
+ border-radius: var(--border-radius);
+ margin: 0.25em 0;
+}
+
+.markup .code-preview-container .code-preview-header {
+ border-bottom: 1px solid var(--color-secondary);
+ padding: 0.5em;
+ font-size: 12px;
+}
+
+.markup .code-preview-container table {
+ width: 100%;
+ max-height: 100px;
+ overflow-y: auto;
+ margin: 0; /* override ".markup table {margin}" */
+}
+
+/* workaround to hide empty p before container - more details are in "html_codepreview.go" */
+.markup p:empty:has(+ .code-preview-container) {
+ display: none;
+}
+
+/* override the polluted styles from the content.css: ".markup table ..." */
+.markup .code-preview-container table tr {
+ border: 0 !important;
+}
+.markup .code-preview-container table th,
+.markup .code-preview-container table td {
+ border: 0 !important;
+ padding: 0 0 0 5px !important;
+}
+.markup .code-preview-container table tr:nth-child(2n) {
+ background: none !important;
+}
diff --git a/web_src/css/markup/content.css b/web_src/css/markup/content.css
index 5eeef078a505b..376d3030c7351 100644
--- a/web_src/css/markup/content.css
+++ b/web_src/css/markup/content.css
@@ -382,7 +382,7 @@
text-align: center;
}
-.markup span.align-center span img
+.markup span.align-center span img,
.markup span.align-center span video {
margin: 0 auto;
text-align: center;
@@ -432,7 +432,7 @@
text-align: right;
}
-.markup code,
+.markup code:not(.code-inner),
.markup tt {
padding: 0.2em 0.4em;
margin: 0;