From 72189b3ec608873052b0c1d8bfb0685972b8269f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@lysator.liu.se>
Date: Thu, 10 Jun 2021 12:36:40 +0200
Subject: Handle deffinition lists at start of entries.

---
 do.py | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 58 insertions(+), 9 deletions(-)

diff --git a/do.py b/do.py
index 71639a4..e898898 100755
--- a/do.py
+++ b/do.py
@@ -10,6 +10,7 @@ import os.path as path
 import email
 from email.policy import default
 from datetime import datetime
+from dateutil import parser as dtparser
 import argparse
 
 path_base = '/'
@@ -229,6 +230,7 @@ output = open(f'doc.{mode}', 'w')
 
 name = pwd.getpwuid(os.getuid()).pw_gecos
 
+
 if mode == 'tex':
     output.write(f'''
     \\documentclass[a4paper]{{article}}
@@ -244,17 +246,9 @@ if mode == 'tex':
     \\usepackage{{fancyhdr}}
     \\usepackage{{hyperref}}
 
-    \\title{{{heading}}}
-    \\date\\today
-    \\author{{{name}}}
-    \\begin{{document}}
-    \\maketitle
-    % \\tableofcontents
     ''')
 
 elif mode == 'txt':
-    d = f'{datetime.now():%Y-%m-%d}'
-    output.write(f'\n{heading.center(40)}\n{d.center(40)}\n')
     sectioncounter = 0
     subsectioncounter = 0
 
@@ -320,9 +314,64 @@ for match in tag_iter:
 
 outstr += page1[pos:]
 
+options = { 'date': '\\today' if mode == 'tex' else f'{datetime.now():%Y-%m-%d}' }
+
+# split the text into paragraph blocks
+lines = outstr.split('\n')
+paragraphs = []
+paragraph = []
+for line in lines:
+    if line == '':
+        if paragraph == []:
+            continue
+        else:
+            paragraphs.append(paragraph)
+            paragraph = []
+    else:
+        paragraph.append(line)
+
+# check the first paragraph for a deffinition list, and parse that
+# into variables
+for i in range(len(paragraphs[0])):
+    line = paragraphs[0][i]
+    if m := re.match('- (\w+)\s*::\s*(.*)', line):
+        if m[1] == 'date':
+            dt = dtparser.parse(m[2])
+            if mode == 'tex':
+                options['date'] = f'{dt:%Y--%m--%d}'
+            else:
+                options['date'] = f'{dt:%Y-%m-%d}'
+
+        else:
+            options[m[1]] = m[2]
+    else:
+        # remove handled lines, keep remaining lines in paragraphs list
+        paragraphs[0] = paragraphs[0][i:]
+        break
+else:
+    # remove first paragraph from paragraphs list
+    paragraphs = paragraphs[1:]
+
+
 if mode == 'tex':
+    output.write(f"""
+    \\title{{{heading}}}
+    \\date{{{options['date']}}}
+    \\author{{{name}}}
+    \\begin{{document}}
+    \\maketitle
+    % \\tableofcontents
+    """)
     output.write('\\begin{verbatim}\n')
-output.write(outstr + '\n')
+elif mode == 'txt':
+    d = options['date']
+    output.write(f'\n{heading.center(40)}\n{d.center(40)}\n')
+
+for paragraph in paragraphs:
+    output.write('\n'.join(paragraph))
+    output.write('\n\n')
+# output.write(outstr + '\n')
+
 if mode == 'tex':
     output.write('\\end{verbatim}\n\\appendix\n')
 
-- 
cgit v1.2.3