From 6e1bcc0e1a6ced10ae7732a5bae5ceca2d5afa98 Mon Sep 17 00:00:00 2001
From: Guilherme Victal <guilhermevictal em gmail ponto com>
Date: Sun, 24 Jan 2016 16:57:01 -0200
Subject: [PATCH] Overdue date syntax highlight

---
 .gitmodules      |  3 +++
 python/dateregex |  1 +
 python/todo.py   | 25 +++++++++++++++++++++++++
 syntax/todo.vim  |  1 +
 4 files changed, 30 insertions(+)
 create mode 100644 .gitmodules
 create mode 160000 python/dateregex
 create mode 100644 python/todo.py

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..448d7bf
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "python/dateregex"]
+	path = python/dateregex
+	url = git@github.com:victal/dateregex.git
diff --git a/python/dateregex b/python/dateregex
new file mode 160000
index 0000000..7db2e6c
--- /dev/null
+++ b/python/dateregex
@@ -0,0 +1 @@
+Subproject commit 7db2e6ca018b579e5964566d0aa6dad4f97cea9d
diff --git a/python/todo.py b/python/todo.py
new file mode 100644
index 0000000..c6251b2
--- /dev/null
+++ b/python/todo.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+import vim
+import os
+import sys
+from datetime import date
+
+dateregex_dir = os.path.join(vim.eval('s:script_dir'), 'dateregex')
+if os.path.isdir(dateregex_dir):
+    sys.path.insert(0, dateregex_dir)
+
+def add_due_date_syntax_highlight():
+    try: 
+        from dateregex import regex_date_before
+    except ImportError:
+        print("dateregex module not found. Overdue dates won't be highlighted")
+        return 
+
+    regex = regex_date_before(date.today())
+    regex = r'(^|<)due:%s(>|$)' % regex
+
+    vim.command("syntax match OverDueDate '\\v%s'" % regex)
+    vim.command("highlight  default  link  OverDueDate       Error")
+
+add_due_date_syntax_highlight()
diff --git a/syntax/todo.vim b/syntax/todo.vim
index eed08c8..4b48bc2 100644
--- a/syntax/todo.vim
+++ b/syntax/todo.vim
@@ -52,6 +52,7 @@ highlight  default  link  TodoContext    Special
 
 if has('python')
     let b:curdir = expand('<sfile>:p:h')
+    let s:script_dir = b:curdir . "/../python/"
     execute "pyfile " . b:curdir . "/../python/todo.py"
 else
     echom "Your version of vim has no python support. Overdue dates won't be highlighted"