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# -*- Mode: Python; coding: utf-8; indent-tabs-mode: nil; tab-width: 4 -*-
### BEGIN LICENSE
# Copyright (C) 2012 ximilian <ximilian@gmail.com>
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
# PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
### END LICENSE
import re
class Task(object):
""" A class for task object """
id = -1
priority = ""
data = ""
creation_date = ""
completion_date = ""
project = 0
context = 0
keyword = 0
raw = ""
status = "beg"
OPEN_BRACKET = "("
CLOSE_BRACKET = ")"
COMPLETED = "x"
PROJECT = "+"
CONTEXT = "@"
KEYWORD = "#"
REGEX_DATE = re.compile('[0-9]{4}(-[0-9]{2}){2}')
def __init__(self, line):
Task.id += 1
self.id = Task.id
self.project = set()
self.context = set()
self.keyword = set()
self.raw = line
self.Parse()
self.data = self.data.strip()
if self.data == "":
self.id = -1
Task.id -=1
def __repr__(self):
return "Task(id=%r, priority=%r, data=%r, creation_date=%r, completion_date=%r, project=%r, context=%r, keyword=%r)" % \
(self.id, self.priority, self.data, \
repr(self.creation_date), repr(self.completion_date),
self.project, self.context, self.keyword)
def __str__(self):
return 'id: ' + str(self.id) + '\n' \
'pri: ' + self.priority + '\n' \
'date: ' + self.creation_date + " _ " + self.completion_date + '\n' \
'+: ' + str(self.project) + '\n' \
'@: ' + str(self.context) + '\n' \
'#: ' + str(self.keyword) + '\n' \
'[' + self.data + ']' + '\n'
def Parse(self, begin=0):
if not begin < self.raw.__len__():
return
while (self.raw[begin] == ' '):
begin += 1
if self.status == "beg":
begin = self.ParsePriority(0)
begin = self.ParseCompleted(begin)
elif self.status == "sdate":
[self.creation_date, begin] = self.ParseDate(begin)
self.status = ""
elif self.status == "edate":
[self.completion_date, begin] = self.ParseDate(begin)
self.status = "sdate"
elif self.raw[begin] == Task.PROJECT:
self.ParseToList(begin+1, self.project)
begin = self.ParseDataWord(begin)
elif self.raw[begin] == Task.CONTEXT:
self.ParseToList(begin+1, self.context)
begin = self.ParseDataWord(begin)
elif self.raw[begin] == Task.KEYWORD:
self.ParseToList(begin+1, self.keyword)
begin = self.ParseDataWord(begin)
else:
begin = self.ParseDataWord(begin)
self.Parse(begin)
def ParsePriority(self, begin):
self.status = "sdate"
if self.raw[begin] == Task.OPEN_BRACKET and self.raw[begin+2] == Task.CLOSE_BRACKET:
self.priority = self.raw[1]
return begin+3
self.priority = "-"
return begin
def ParseCompleted(self, begin):
if self.raw[begin] == Task.COMPLETED and self.raw[begin+1] == ' ':
self.priority = Task.COMPLETED
self.status = "edate"
return begin+2
return begin
def ParseDate(self, begin):
[word, end] = self.ParseWord(self.raw, begin)
if not Task.REGEX_DATE.match(word):
end = begin
word = ""
return [word, end]
def ParseToList(self, begin, working_list):
[elem, end] = self.ParseWord(self.raw, begin)
if not elem == "":
working_list.add(elem)
return end
def ParseDataWord(self, begin):
[word, end] = self.ParseWord(self.raw, begin)
self.data += " " + word
return end
def ParseWord(self, text, begin):
end = begin
try:
end = text.index(" ", begin)
except (ValueError):
end = text.__len__()
word = text[begin:end]
return [word, end]
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