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# -*- coding: utf-8 -*-
###########################################################################
# OCRFeeder - The complete OCR suite
# Copyright (C) 2009 Joaquim Rocha
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY 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/>.
###########################################################################
import os.path
class ArgsRetriever:
def __init__(self, args_list, command_prefix = '--', discard_first_arg = True):
self.args_list = args_list
self.command_prefix = command_prefix
if discard_first_arg:
del self.args_list[0]
def getParams(self, command, failure_action = None):
args = list(self.args_list)
command_index = self.getCommandIndex(command)
if command_index == -1:
return failure_action or []
if command_index == len(args) - 1:
return []
args = args[command_index + 1:]
next_command = self.getNextCommand(args)
if next_command == -1:
return args
return args[:next_command]
def getNextCommand(self, args_list):
i = 0
for arg in args_list:
if arg.startswith(self.command_prefix):
return i
i += 1
return -1
def getCommandIndex(self, command):
command = command.strip(self.command_prefix)
i = 0
for arg in self.args_list:
if arg == self.command_prefix + command:
return i
i += 1
return -1
def hasCommand(self, command):
return self.getCommandIndex(command) != -1
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