From 44bb01a49679bfbcdf1f10f088de6766fbaf8c13 Mon Sep 17 00:00:00 2001
From: George Melikov <mail@gmelikov.ru>
Date: Tue, 2 Jun 2020 21:13:06 +0300
Subject: [PATCH] Add man_pages.py generator script

Signed-off-by: George Melikov <mail@gmelikov.ru>
---
 scripts/man_pages.py | 143 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100755 scripts/man_pages.py

diff --git a/scripts/man_pages.py b/scripts/man_pages.py
new file mode 100755
index 0000000..ea94c53
--- /dev/null
+++ b/scripts/man_pages.py
@@ -0,0 +1,143 @@
+#!/usr/bin/env python3
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+#
+# Copyright 2020 George Melikov <mail@gmelikov.ru>
+#
+# 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.
+
+import argparse
+import os
+import subprocess
+
+
+man_sections = {
+    '1': 'User Commands',
+    '2': 'System Calls',
+    '3': 'C Library Functions',
+    '4': 'Devices and Special Files',
+    '5': 'File Formats and Conventions',
+    '6': 'Games',
+    '7': 'Miscellaneous',
+    '8': 'System Administration Commands',
+}
+
+man_section_dir = 'man'
+man_section_name = 'Man Pages'
+
+build_dir = '_build/man'
+
+
+def run(in_dir, out_dir):
+    pages = {num: [] for num in man_sections}
+    for subdir, dirs, _ in os.walk(in_dir):
+        for section in dirs:
+            section_num = section.replace('man', '')
+            section_suffix = '.' + section_num
+            if section_num not in man_sections:
+                continue
+            out_section_dir = os.path.join(out_dir, build_dir, section)
+            os.makedirs(out_section_dir, exist_ok=True)
+            for page in os.listdir(os.path.join(subdir, section)):
+                if not page.endswith(section_suffix):
+                    continue
+                print(page)
+                pages[section_num].append(page)
+                page_file = os.path.join(out_section_dir, page + '.html')
+                with open(page_file, "w") as f:
+                    subprocess.run(
+                        ['mandoc', '-T', 'html', '-O', 'fragment',
+                         os.path.join(subdir, section, page)], stdout=f,
+                        check=True)
+        break
+
+    man_path = os.path.join(out_dir, man_section_dir)
+    os.makedirs(man_path, exist_ok=True)
+    with open(os.path.join(man_path, 'index.rst'), "w") as f:
+        f.write(
+            """
+.. THIS FILE IS AUTOGENERATED, DO NOT EDIT!
+
+{name}
+{name_sub}
+.. toctree::
+    :maxdepth: 1
+    :glob:
+
+    */index
+            """.format(name=man_section_name,
+                       name_sub="=" * len(man_section_name))
+        )
+
+    for section_num, section_pages in pages.items():
+        if not section_pages:
+            continue
+        rst_dir = os.path.join(out_dir, man_section_dir, section_num)
+        os.makedirs(rst_dir, exist_ok=True)
+        section_name = man_sections[section_num]
+        section_name_with_num = '{name} ({num})'.format(
+            name=section_name, num=section_num)
+        with open(os.path.join(rst_dir, 'index.rst'), "w") as f:
+            f.write(
+                """
+.. THIS FILE IS AUTOGENERATED, DO NOT EDIT!
+
+{name}
+{name_sub}
+.. toctree::
+    :maxdepth: 1
+    :glob:
+
+    *
+                """.format(name=section_name_with_num,
+                           name_sub="=" * len(section_name_with_num))
+            )
+        for page in section_pages:
+            with open(os.path.join(rst_dir, page + '.rst'), "w") as f:
+                f.write(
+                    """
+.. THIS FILE IS AUTOGENERATED, DO NOT EDIT!
+
+{name}
+{name_sub}
+.. raw:: html
+
+   <div class="man_container">
+
+.. raw:: html
+   :file: ../../{build_dir}/man{section_num}/{name}.html
+
+.. raw:: html
+
+   </div>
+                    """.format(name=page,
+                               build_dir=build_dir,
+                               section_num=section_num,
+                               name_sub="=" * len(page))
+                )
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('man_dir',
+                        help='Man pages dir')
+    parser.add_argument('out_dir',
+                        help='Sphinx docs dir')
+    args = parser.parse_args()
+
+    run(args.man_dir, args.out_dir)
+
+
+if __name__ == '__main__':
+    main()