Fix unquoted languages in YAML front matter

Fixes #156.
valentjn · Feb 12, 2023 · 55f37e4 · 55f37e4
1 parent 046d733
commit 55f37e4
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Showing 3 changed files with 7 additions and 2 deletions.
diff --git a/changelog.xml b/changelog.xml
@@ -34,6 +34,9 @@
       <action type="fix" issue="#134">
         Fix false positives when using siunitx (LaTeX)
       </action>
+      <action type="fix" issue="#156">
+        Fix unquoted languages in YAML front matter not parsed correctly
+      </action>
       <action type="fix" issue="#178" due-to="Stanley F (@sfo)">
         Fix plural dummy in German languages
       </action>

diff --git a/src/main/kotlin/org/bsplines/ltexls/parsing/markdown/MarkdownFragmentizer.kt b/src/main/kotlin/org/bsplines/ltexls/parsing/markdown/MarkdownFragmentizer.kt
@@ -52,8 +52,8 @@ class MarkdownFragmentizer(codeLanguageId: String) : CodeFragmentizer(codeLangua
 
   companion object {
     private val YAML_FRONT_MATTER_REGEX = Regex(
-      "\\A---[ \t]*$.*?^lang:[ \t]+(?:\"(.+)\"|'(.+)'|(.+))$.*?^---[ \t]*$",
-      setOf(RegexOption.MULTILINE, RegexOption.DOT_MATCHES_ALL),
+      "\\A---[ \t]*$(?s).*?(?-s)^lang:[ \t]+(?:\"(.+)\"|'(.+)'|(.+))$(?s).*?(?-s)^---[ \t]*$",
+      RegexOption.MULTILINE,
     )
 
     private val COMMENT_REGEX = Regex(

diff --git a/src/test/kotlin/org/bsplines/ltexls/parsing/markdown/MarkdownFragmentizerTest.kt b/src/test/kotlin/org/bsplines/ltexls/parsing/markdown/MarkdownFragmentizerTest.kt
@@ -47,6 +47,7 @@ class MarkdownFragmentizerTest {
       """
       ---
       lang: 'de-DE'
+      abc: def
       ---
 
       This is a test.
@@ -61,6 +62,7 @@ class MarkdownFragmentizerTest {
       """
       ---
       lang: de-DE
+      abc: def
       ---
 
       This is a test.