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<?php |
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/** |
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* Copyright (c) 2008-2011 Andreas Heigl<[email protected]> |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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* |
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* @category Hyphenation |
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* @package Org_Heigl_Hyphenator |
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* @subpackage Tokenizer |
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* @author Andreas Heigl <[email protected]> |
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* @copyright 2008-2011 Andreas Heigl<[email protected]> |
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* @license http://www.opensource.org/licenses/mit-license.php MIT-License |
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* @version 2.0.1 |
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* @link http://github.com/heiglandreas/Hyphenator |
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* @since 11.11.2011 |
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*/ |
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namespace Org\Heigl\Hyphenator\Tokenizer; |
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/** |
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* Use Whitespace to split any input into tokens |
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* |
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* @category Hyphenation |
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* @package Org_Heigl_Hyphenator |
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* @subpackage Tokenizer |
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* @author Andreas Heigl <[email protected]> |
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* @copyright 2008-2011 Andreas Heigl<[email protected]> |
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* @license http://www.opensource.org/licenses/mit-license.php MIT-License |
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* @version 2.0.1 |
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* @link http://github.com/heiglandreas/Hyphenator |
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* @since 04.11.2011 |
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*/ |
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class WhitespaceTokenizer implements Tokenizer |
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{ |
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/** |
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* @var string[] |
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*/ |
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protected $whitespaces = array( |
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'\s', // white space |
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"\xE2\x80\xAF", // non-breaking thin white space |
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"\xC2\xA0", // non-breaking space |
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); |
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/** |
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* Split the given input into tokens using whitespace as splitter |
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* |
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* The input can be a string or a tokenRegistry. If the input is a |
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* TokenRegistry, each item will be tokenized. |
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* |
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* @param string|TokenRegistry $input The |
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* input to be tokenized |
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* |
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* @return TokenRegistry |
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*/ |
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View Code Duplication |
public function run($input) |
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{ |
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if ($input instanceof TokenRegistry) { |
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// Tokenize a TokenRegistry |
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foreach ($input as $token) { |
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if (! $token instanceof WordToken) { |
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continue; |
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} |
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$newTokens = $this->tokenize($token->get()); |
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if ($newTokens == array($token)) { |
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continue; |
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} |
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$input->replace($token, $newTokens); |
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} |
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return $input ; |
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} |
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// Tokenize a simple string. |
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$array = $this->tokenize($input); |
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$registry = new TokenRegistry(); |
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foreach ($array as $item) { |
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$registry->add($item); |
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} |
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return $registry; |
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} |
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/** |
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* Split the given string into tokens using whitespace. |
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* |
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* Each whitespace is placed in a WhitespaceToken and everything else is |
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* placed in a WordToken-Object |
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* |
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* @param string $input The String to tokenize |
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* |
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* @return Token[] |
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*/ |
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View Code Duplication |
private function tokenize($input) |
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{ |
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$tokens = array(); |
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$splits = preg_split("/([".implode("", $this->whitespaces)."]+)/u", $input, -1, PREG_SPLIT_DELIM_CAPTURE); |
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foreach ($splits as $split) { |
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if ($split === '') { |
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$tokens[] = new EmptyToken($split); |
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continue; |
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} |
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if (preg_match("/^[".implode("", $this->whitespaces)."]+$/um", $split)) { |
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$tokens[] = new WhitespaceToken($split); |
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continue; |
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} |
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$tokens[] = new WordToken($split); |
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} |
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return $tokens; |
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} |
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} |
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heiglandreas /
Org_Heigl_Hyphenator
