parser/pageparser: Fix Org Mode summary delimiter assignment

Closes #13152

diff --git a/parser/pageparser/pagelexer_intro.go b/parser/pageparser/pagelexer_intro.go
index 925c61c9e58e7b8e645b1da02d5afaa952c862fd..334d9a79c1597e213534359e2ab227188986edad 100644 (file)
--- a/parser/pageparser/pagelexer_intro.go
+++ b/parser/pageparser/pagelexer_intro.go
@@ -91,14 +91,14 @@ func lexFrontMatterOrgMode(l *pageLexer) stateFunc {
                #+DESCRIPTION: Just another golang parser for org content!
        */
 
-       l.summaryDivider = summaryDividerOrg
-
        l.backup()
 
        if !l.hasPrefix(delimOrg) {
                return lexMainSection
        }
 
+       l.summaryDivider = summaryDividerOrg
+
        // Read lines until we no longer see a #+ prefix
 LOOP:
        for {

diff --git a/parser/pageparser/pagelexer_intro_test.go b/parser/pageparser/pagelexer_intro_test.go
new file mode 100644 (file)
index 0000000..c074e6f
--- /dev/null
+++ b/parser/pageparser/pagelexer_intro_test.go
@@ -0,0 +1,46 @@
+// Copyright 2024 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package pageparser
+
+import (
+       "testing"
+
+       qt "github.com/frankban/quicktest"
+)
+
+func Test_lexIntroSection(t *testing.T) {
+       t.Parallel()
+       c := qt.New(t)
+       for i, tt := range []struct {
+               input                string
+               expectItemType       ItemType
+               expectSummaryDivider []byte
+       }{
+               {"{\"title\": \"JSON\"}\n", TypeFrontMatterJSON, summaryDivider},
+               {"#+TITLE: ORG\n", TypeFrontMatterORG, summaryDividerOrg},
+               {"+++\ntitle = \"TOML\"\n+++\n", TypeFrontMatterTOML, summaryDivider},
+               {"---\ntitle: YAML\n---\n", TypeFrontMatterYAML, summaryDivider},
+               // Issue 13152
+               {"# ATX Header Level 1\n", tText, summaryDivider},
+       } {
+               errMsg := qt.Commentf("[%d] %v", i, tt.input)
+
+               l := newPageLexer([]byte(tt.input), lexIntroSection, Config{})
+               l.run()
+
+               c.Assert(l.items[0].Type, qt.Equals, tt.expectItemType, errMsg)
+               c.Assert(l.summaryDivider, qt.DeepEquals, tt.expectSummaryDivider, errMsg)
+
+       }
+}