docs: kdoc_output: use a method to emit the .TH header

All man emit functions need to add a .TH header. Move the code
to a common function, as we'll be addressing some issues at
the common code.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <2e55fcfe8724fde08a78635a1a3f8b449a6adf82.1772810752.git.mchehab+huawei@kernel.org>

diff --git a/tools/lib/python/kdoc/kdoc_output.py b/tools/lib/python/kdoc/kdoc_output.py
index 4210b91dde5f15c85889f584e351a78837951af8..fb6b90c54c8a29690d0bf3c213066d934ce50e4c 100644 (file)
--- a/tools/lib/python/kdoc/kdoc_output.py
+++ b/tools/lib/python/kdoc/kdoc_output.py
@@ -607,7 +607,20 @@ class ManFormat(OutputFormat):
         "%m %d %Y",
     ]
 
-    def __init__(self, modulename):
+    def emit_th(self, name, modulename = None, manual=None):
+        """Emit a title header line."""
+        name = name.strip()
+
+        if not manual:
+            manual = self.manual
+
+        if not modulename:
+            modulename = self.modulename
+
+        self.data += f'.TH "{modulename}" {self.section} "{name}" '
+        self.data += f'"{self.date}" "{manual}" LINUX\n'
+
+    def __init__(self, modulename, section="9", manual="API Manual"):
         """
         Creates class variables.
 
@@ -616,7 +629,11 @@ class ManFormat(OutputFormat):
         """
 
         super().__init__()
+
         self.modulename = modulename
+        self.section = section
+        self.manual = manual
+
         self.symbols = []
 
         dt = None
@@ -632,7 +649,7 @@ class ManFormat(OutputFormat):
         if not dt:
             dt = datetime.now()
 
-        self.man_date = dt.strftime("%B %Y")
+        self.date = dt.strftime("%B %Y")
 
     def arg_name(self, args, name):
         """
@@ -724,7 +741,7 @@ class ManFormat(OutputFormat):
 
         out_name = self.arg_name(args, name)
 
-        self.data += f'.TH "{self.modulename}" 9 "{out_name}" "{self.man_date}" "API Manual" LINUX' + "\n"
+        self.emit_th(out_name)
 
         for section, text in args.sections.items():
             self.data += f'.SH "{section}"' + "\n"
@@ -734,7 +751,8 @@ class ManFormat(OutputFormat):
 
         out_name = self.arg_name(args, name)
 
-        self.data += f'.TH "{name}" 9 "{out_name}" "{self.man_date}" "Kernel Hacker\'s Manual" LINUX' + "\n"
+        self.emit_th(out_name, modulename = name,
+                     manual="Kernel Hacker\'s Manual")
 
         self.data += ".SH NAME\n"
         self.data += f"{name} \\- {args['purpose']}\n"
@@ -780,7 +798,7 @@ class ManFormat(OutputFormat):
     def out_enum(self, fname, name, args):
         out_name = self.arg_name(args, name)
 
-        self.data += f'.TH "{self.modulename}" 9 "{out_name}" "{self.man_date}" "API Manual" LINUX' + "\n"
+        self.emit_th(out_name)
 
         self.data += ".SH NAME\n"
         self.data += f"enum {name} \\- {args['purpose']}\n"
@@ -813,7 +831,7 @@ class ManFormat(OutputFormat):
         out_name = self.arg_name(args, name)
         full_proto = args.other_stuff["full_proto"]
 
-        self.data += f'.TH "{self.modulename}" 9 "{out_name}" "{self.man_date}" "API Manual" LINUX' + "\n"
+        self.emit_th(out_name)
 
         self.data += ".SH NAME\n"
         self.data += f"{name} \\- {args['purpose']}\n"
@@ -834,7 +852,7 @@ class ManFormat(OutputFormat):
         purpose = args.get('purpose')
         out_name = self.arg_name(args, name)
 
-        self.data += f'.TH "{module}" 9 "{out_name}" "{self.man_date}" "API Manual" LINUX' + "\n"
+        self.emit_th(out_name)
 
         self.data += ".SH NAME\n"
         self.data += f"typedef {name} \\- {purpose}\n"
@@ -849,7 +867,7 @@ class ManFormat(OutputFormat):
         definition = args.get('definition')
         out_name = self.arg_name(args, name)
 
-        self.data += f'.TH "{module}" 9 "{out_name}" "{self.man_date}" "API Manual" LINUX' + "\n"
+        self.emit_th(out_name)
 
         self.data += ".SH NAME\n"
         self.data += f"{args.type} {name} \\- {purpose}\n"