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# Copyright 2001 - 2016 Ludek Smid [http://www.ospace.net/] |
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# |
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# This file is part of Pygame.UI. |
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# |
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# Pygame.UI is free software; you can redistribute it and/or modify |
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# it under the terms of the Lesser GNU General Public License as published by |
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# the Free Software Foundation; either version 2.1 of the License, or |
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# (at your option) any later version. |
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# |
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# Pygame.UI is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# Lesser GNU General Public License for more details. |
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# |
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# You should have received a copy of the Lesser GNU General Public License |
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# along with Pygame.UI; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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# |
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delimiters = [" ", ".", "-", "(", ")", "{", "}", "[", "]", ",", ":",\ |
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";", "/", "\\", "\"", "<", ">", "?", "!", "+", "*", "&",\ |
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"^", "@", "#", "$", "%", "^", "=", "|", "~"] |
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def splitter(text, delims = None): |
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"""Splits given string into parts separated by more delimiters. |
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delims parameter is list of delimiter characters. Function returns |
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tuple containg word, starting postion of word and ending position |
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of word. Given word can be taken from text as text[start:end]. |
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Example: |
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text = "This is line" |
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result = "" |
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for word in splitter(text, [" "]): |
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result = result + text[word[1]:word[2]] + " " |
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print result |
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result = "" |
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for word in splitter(text, [" "]): |
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result = result + word[0] + " " |
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print result |
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""" |
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#stores result |
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result = [] |
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#if delimiter is not specified, use defaults |
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if delims == None: |
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delims = delimiters |
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#starting with empty word |
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word = "" |
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#starting position of word |
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start = 0 |
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#traverse string by chars |
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for i in range(len(text)): |
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#test, if char is delimiter |
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if text[i] in delims: |
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#is delimiter, so add new word (non empty) to result |
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if len(word) > 0: |
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result.append((word, start, i)) |
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#start new word |
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word = "" |
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#skip delimiter |
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start = i + 1 |
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else: |
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#char is not delimiter, so append it to word |
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word = word + text[i] |
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#append last word to result |
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if len(word) > 0: |
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#handle end of text with no delimiter |
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if start + len(word) == len(text): |
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#word end beyond end of text |
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i = i + 1 |
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result.append((word, start, i)) |
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return result |
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