65 lines
1.4 KiB
PHP
65 lines
1.4 KiB
PHP
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<?php
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/**
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* Copyright 2007-2012 Horde LLC (http://www.horde.org/)
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*
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* See the enclosed file COPYING for license information (LGPL). If you did
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* not receive this file, see http://www.horde.org/licenses/lgpl21.
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*
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* @package Text_Diff
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* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
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*/
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class Horde_Text_Diff_ThreeWay_BlockBuilder
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{
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public function __construct()
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{
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$this->_init();
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}
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public function input($lines)
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{
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if ($lines) {
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$this->_append($this->orig, $lines);
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}
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}
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public function out1($lines)
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{
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if ($lines) {
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$this->_append($this->final1, $lines);
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}
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}
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public function out2($lines)
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{
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if ($lines) {
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$this->_append($this->final2, $lines);
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}
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}
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public function isEmpty()
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{
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return !$this->orig && !$this->final1 && !$this->final2;
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}
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public function finish()
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{
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if ($this->isEmpty()) {
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return false;
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} else {
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$edit = new Horde_Text_Diff_ThreeWay_Op_Base($this->orig, $this->final1, $this->final2);
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$this->_init();
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return $edit;
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}
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}
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protected function _init()
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{
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$this->orig = $this->final1 = $this->final2 = array();
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}
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protected function _append(&$array, $lines)
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{
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array_splice($array, sizeof($array), 0, $lines);
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}
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}
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