From 422cdce39583b3dbdebb5b7b52b922a598d24ca1 Mon Sep 17 00:00:00 2001
From: Masatake YAMATO <yamato@redhat.com>
Date: Tue, 1 Aug 2023 02:46:40 +0900
Subject: [PATCH] ReStructuredText: skip prefixed whitespaces when parsing
 markup lines

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
---
 .../markup-line-with-spaces.d/args.ctags              |  1 +
 .../markup-line-with-spaces.d/expected.tags           |  4 ++++
 .../markup-line-with-spaces.d/input.rst               | 11 +++++++++++
 parsers/rst.c                                         | 11 ++++++++---
 4 files changed, 24 insertions(+), 3 deletions(-)
 create mode 100644 Units/parser-restructuredtext.r/markup-line-with-spaces.d/args.ctags
 create mode 100644 Units/parser-restructuredtext.r/markup-line-with-spaces.d/expected.tags
 create mode 100644 Units/parser-restructuredtext.r/markup-line-with-spaces.d/input.rst

diff --git a/Units/parser-restructuredtext.r/markup-line-with-spaces.d/args.ctags b/Units/parser-restructuredtext.r/markup-line-with-spaces.d/args.ctags
new file mode 100644
index 0000000000..5ee5f79f70
--- /dev/null
+++ b/Units/parser-restructuredtext.r/markup-line-with-spaces.d/args.ctags
@@ -0,0 +1 @@
+--sort=no
diff --git a/Units/parser-restructuredtext.r/markup-line-with-spaces.d/expected.tags b/Units/parser-restructuredtext.r/markup-line-with-spaces.d/expected.tags
new file mode 100644
index 0000000000..0245e36f23
--- /dev/null
+++ b/Units/parser-restructuredtext.r/markup-line-with-spaces.d/expected.tags
@@ -0,0 +1,4 @@
+OVERVIEW	input.rst	/^  .. [OVERVIEW] `Satellite Overview, Concepts, and Deployment Considerations <https:\/\/access.r/;"	C
+ADMIN	input.rst	/^  .. [ADMIN] `Administering Red Hat Satellite <https:\/\/access.redhat.com\/documentation\/en-us/;"	C
+LOC	input.rst	/^  .. [LOC] `Chapter 6. Managing Locations <https:\/\/access.redhat.com\/documentation\/en-us\/re/;"	C
+USERROLE	input.rst	/^  .. [USERROLE] `Chapter 7. Managing Users and Roles <https:\/\/access.redhat.com\/documentation/;"	C
diff --git a/Units/parser-restructuredtext.r/markup-line-with-spaces.d/input.rst b/Units/parser-restructuredtext.r/markup-line-with-spaces.d/input.rst
new file mode 100644
index 0000000000..61eb60cb7e
--- /dev/null
+++ b/Units/parser-restructuredtext.r/markup-line-with-spaces.d/input.rst
@@ -0,0 +1,11 @@
+* Satellite Overview
+
+  .. [OVERVIEW] `Satellite Overview, Concepts, and Deployment Considerations <https://access.redhat.com/documentation/en-us/red_hat_satellite/6.12/html/satellite_overview_concepts_and_deployment_considerations/index>`_
+
+* Administering Red Hat Satellite
+
+  .. [ADMIN] `Administering Red Hat Satellite <https://access.redhat.com/documentation/en-us/red_hat_satellite/6.12/html/administering_red_hat_satellite/index>`_
+
+  .. [LOC] `Chapter 6. Managing Locations <https://access.redhat.com/documentation/en-us/red_hat_satellite/6.12/html/administering_red_hat_satellite/managing_locations_admin>`_
+
+  .. [USERROLE] `Chapter 7. Managing Users and Roles <https://access.redhat.com/documentation/en-us/red_hat_satellite/6.12/html/administering_red_hat_satellite/managing_users_and_roles_admin#doc-wrapper>`_
diff --git a/parsers/rst.c b/parsers/rst.c
index 43cb7beb1c..dc632f97ea 100644
--- a/parsers/rst.c
+++ b/parsers/rst.c
@@ -219,9 +219,14 @@ static int get_kind(char c, bool overline, struct sectionTracker tracker[])
 
 static const unsigned char *is_markup_line (const unsigned char *line, char reftype)
 {
-	if ((line [0] == '.') && (line [1] == '.') && (line [2] == ' ')
-		&& (line [3] == reftype))
-		return line + 4;
+	unsigned int i = 0;
+
+	while (isspace(line[i]))
+		i++;
+
+	if ((line [i+0] == '.') && (line [i+1] == '.') && (line [i+2] == ' ')
+		&& (line [i+3] == reftype))
+		return line + i + 4;
 	return NULL;
 }