From d8fd583dfcc1f4abf44d84f320e1ad69a9032fc4 Mon Sep 17 00:00:00 2001
From: Mike Crute <mcrute@gmail.com>
Date: Thu, 4 Feb 2010 21:21:06 -0500
Subject: First pass at a naive parser. Committing for posterity.

---
 kronos/parser.py            | 51 ++++++++++++++++++++++++++++++++++++++++-----
 kronos/tests/test_parser.py | 40 ++++++++++++++++++++++++++---------
 2 files changed, 76 insertions(+), 15 deletions(-)

diff --git a/kronos/parser.py b/kronos/parser.py
index 5f79144..0c39b95 100644
--- a/kronos/parser.py
+++ b/kronos/parser.py
@@ -9,12 +9,53 @@ Activity Parser
 
 class Activity(object):
 
-    activity = "my activity"
-    description = "Some cool stuff!"
-    category = "Home"
+    def __init__(self, activity, description=None, category=None):
+        self.activity = activity
+        self.description = description
+        self.category = category
+
+    def __repr__(self):
+        return "Activity({0!r}, description={1!r}, category={2!r})".format(
+                self.activity, self.description, self.category)
 
 
 class ActivityParser(object):
 
-    def parse(self, text):
-        return Activity()
+    def __init__(self, text):
+        self.text = text
+        self.tokens = text.split(' ')
+
+    def parse(self):
+        activity = Activity(self._parse_activity())
+        activity.description = self._parse_description()
+        activity.category = self._parse_category()
+
+        return activity
+
+    def _parse_activity(self):
+        return self.text.split(',')[0].split('@')[0]
+
+    def _parse_description(self):
+        text = self.text
+
+        if ',' in self.text:
+            text = text.split(',', 1)[1]
+
+        if '@' in text:
+            text = text.split('@', 1)[0]
+
+        if text == self.text:
+            return None
+
+        return text.strip()
+
+    def _parse_category(self):
+        text = self.text
+
+        if '@' in text:
+            text = text.split('@', 1)[1]
+
+        if text == self.text:
+            return None
+
+        return text
diff --git a/kronos/tests/test_parser.py b/kronos/tests/test_parser.py
index 676a471..e7d64a3 100644
--- a/kronos/tests/test_parser.py
+++ b/kronos/tests/test_parser.py
@@ -12,27 +12,47 @@ from nose.tools import assert_equals
 from kronos.parser import ActivityParser
 
 
-class TestWhenParsingBasicFormat(object):
+def parse_text(text):
+    return ActivityParser(text).parse()
 
-    def setup(self):
-        test_input = "my activity, Some cool stuff!@Home"
-        self.results = ActivityParser().parse(test_input)
+class TestWhenParsingBasicFormat(object):
 
     def test_should_get_activity(self):
-        assert_equals(self.results.activity, "my activity")
+        results = parse_text("my activity, Some cool stuff!@Home")
+        assert_equals(results.activity, "my activity")
+
+        results = parse_text("my activity")
+        assert_equals(results.activity, "my activity")
+
+        results = parse_text("my activity@Home")
+        assert_equals(results.activity, "my activity")
 
     def test_should_get_description(self):
-        assert_equals(self.results.description, "Some cool stuff!")
+        results = parse_text("my activity, Some cool stuff!@Home")
+        assert_equals(results.description, "Some cool stuff!")
+
+        results = parse_text("my activity, Some cool stuff!")
+        assert_equals(results.description, "Some cool stuff!")
+
+        results = parse_text("my activity")
+        assert_equals(results.description, None)
 
     def test_should_get_category(self):
-        assert_equals(self.results.category, "Home")
+        results = parse_text("my activity, Some cool stuff!@Home")
+        assert_equals(results.category, "Home")
+
+        results = parse_text("my activity, Some cool stuff!")
+        assert_equals(results.category, None)
+
+        results = parse_text("my activity@Home")
+        assert_equals(results.category, "Home")
 
 
 class TestWhenParsingWithTags(object):
 
     def setup(self):
         test_input = "my activity, Some cool stuff!@Home #tag1 #tag2"
-        self.results = ActivityParser().parse(test_input)
+        self.results = ActivityParser(test_input).parse()
 
     def test_should_get_tags(self):
         pass
@@ -41,7 +61,7 @@ class TestWhenParsingWithTags(object):
 class TestWhenParsingWithTimeOffset(object):
 
     def _parse_text(self, text):
-        return ActivityParser().parse(text)
+        return ActivityParser(text).parse()
 
     def test_should_understand_minutes(self):
         test_input = "my activity, Some cool stuff!@Home 10m"
@@ -59,7 +79,7 @@ class TestWhenParsingWithTimeOffset(object):
 class TestWhenParsingWithAbsoluteTime(object):
 
     def _parse_text(self, text):
-        return ActivityParser().parse(text)
+        return ActivityParser(text).parse()
 
     def test_should_understand_military_time(self):
         test_input = "my activity, Some cool stuff!@Home 11:30-14:40"
-- 
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