From 9ef6c68882d20c31fa3e9a291e260fef50722297 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jure=20=C5=A0orn?= <sornjure@gmail.com>
Date: Fri, 12 Apr 2019 09:18:26 +0200
Subject: [PATCH] Class diagrams

---
 README.md | 36 ++++++++++++++++++------------------
 parse.js  | 52 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 69 insertions(+), 19 deletions(-)

diff --git a/README.md b/README.md
index e042b67..2b81012 100644
--- a/README.md
+++ b/README.md
@@ -1534,28 +1534,28 @@ class MyClass(metaclass=MyMetaClass):
 
 #### Type diagram ('abc' is a str, str is a type, ...):
 ```text
-┏━━━━━━━━━┯━━━━━━━━━━━━━┓
-┃ classes │ metaclasses ┃
-┠─────────┼─────────────┨
-┃ MyClass → MyMetaClass ┃
-┃         │     ↓       ┃
-┃  object ───→ type ←╮  ┃
-┃         │    ↑ ╰───╯  ┃
-┃   str ───────╯        ┃
-┗━━━━━━━━━┷━━━━━━━━━━━━━┛
++---------+-------------+
+| classes | metaclasses |
++---------|-------------|
+| MyClass > MyMetaClass |
+|         |     v       |
+|  object ---> type <+  |
+|         |    ^ +---+  |
+|   str -------+        |
++---------+-------------+
 ```
 
 #### Inheritance diagram (str inherits from object, ...):
 ```text
-┏━━━━━━━━━┯━━━━━━━━━━━━━┓
-┃ classes │ metaclasses ┃
-┠─────────┼─────────────┨
-┃ MyClass │ MyMetaClass ┃
-┃    ↓    │     ↓       ┃
-┃  object ←─── type     ┃
-┃    ↑    │             ┃
-┃   str   │             ┃
-┗━━━━━━━━━┷━━━━━━━━━━━━━┛
++---------+-------------+
+| classes | metaclasses |
++---------|-------------|
+| MyClass | MyMetaClass |
+|    v    |     v       |
+|  object <--- type     |
+|    ^    |             |
+|   str   |             |
++---------+-------------+
 ```
 
 
diff --git a/parse.js b/parse.js
index 9ef0ccb..e0c09e7 100755
--- a/parse.js
+++ b/parse.js
@@ -30,6 +30,50 @@ const TOC =
   '}\n' +
   '</code></pre>\n';
 
+const DIAGRAM_1_A = 
+  '+---------+-------------+\n' +
+  '| classes | metaclasses |\n' +
+  '+---------|-------------|\n' +
+  '| MyClass > MyMetaClass |\n' +
+  '|         |     v       |\n' +
+  '|  object ---> type <+  |\n' +
+  '|         |    ^ +---+  |\n' +
+  '|   str -------+        |\n' +
+  '+---------+-------------+\n';
+
+const DIAGRAM_1_B =
+  '┏━━━━━━━━━┯━━━━━━━━━━━━━┓\n' +
+  '┃ classes │ metaclasses ┃\n' +
+  '┠─────────┼─────────────┨\n' +
+  '┃ MyClass → MyMetaClass ┃\n' +
+  '┃         │     ↓       ┃\n' +
+  '┃  object ───→ type ←╮  ┃\n' +
+  '┃         │    ↑ ╰───╯  ┃\n' +
+  '┃   str ───────╯        ┃\n' +
+  '┗━━━━━━━━━┷━━━━━━━━━━━━━┛\n';
+
+const DIAGRAM_2_A =
+  '+---------+-------------+\n' +
+  '| classes | metaclasses |\n' +
+  '+---------|-------------|\n' +
+  '| MyClass | MyMetaClass |\n' +
+  '|    v    |     v       |\n' +
+  '|  object <--- type     |\n' +
+  '|    ^    |             |\n' +
+  '|   str   |             |\n' +
+  '+---------+-------------+\n';
+
+const DIAGRAM_2_B =
+  '┏━━━━━━━━━┯━━━━━━━━━━━━━┓\n' +
+  '┃ classes │ metaclasses ┃\n' +
+  '┠─────────┼─────────────┨\n' +
+  '┃ MyClass │ MyMetaClass ┃\n' +
+  '┃    ↓    │     ↓       ┃\n' +
+  '┃  object ←─── type     ┃\n' +
+  '┃    ↑    │             ┃\n' +
+  '┃   str   │             ┃\n' +
+  '┗━━━━━━━━━┷━━━━━━━━━━━━━┛\n';
+
 
 function main() {
   const html = getMd();
@@ -50,11 +94,17 @@ function initDom(html) {
 }
 
 function getMd() {
-  const readme = readFile('README.md');
+  var readme = readFile('README.md');
+  readme = switchClassDiagrams(readme);
   const converter = new showdown.Converter();
   return converter.makeHtml(readme);
 }
 
+function switchClassDiagrams(readme) {
+  readme = readme.replace(DIAGRAM_1_A, DIAGRAM_1_B)
+  return readme.replace(DIAGRAM_2_A, DIAGRAM_2_B)
+}
+
 function modifyPage() {
   removeOrigToc();
   addToc();