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Revert "My first commit of codes"

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This reverts commit a6e5a69348.
This commit is contained in:
sujitprasad
2015-05-01 13:27:00 +05:30
parent 6f37d10de3
commit 16ea6e1984
8487 changed files with 0 additions and 1317246 deletions
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33
vendor/sebastian/diff/src/LCS/LongestCommonSubsequence.php vendored
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@@ -1,33 +0,0 @@
<?php
/*
* This file is part of the Diff package.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\Diff\LCS;
/**
* Interface for implementations of longest common subsequence calculation.
*
* @package Diff
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @author Kore Nordmann <mail@kore-nordmann.de>
* @copyright Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.github.com/sebastianbergmann/diff
*/
interface LongestCommonSubsequence
{
/**
* Calculates the longest common subsequence of two arrays.
*
* @param array $from
* @param array $to
* @return array
*/
public function calculate(array $from, array $to);
}

98
vendor/sebastian/diff/src/LCS/MemoryEfficientLongestCommonSubsequenceImplementation.php vendored
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@@ -1,98 +0,0 @@
<?php
/*
* This file is part of the Diff package.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\Diff\LCS;
/**
* Memory-efficient implementation of longest common subsequence calculation.
*
* @package Diff
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @author Denes Lados <lados.denes@gmail.com>
* @copyright Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.github.com/sebastianbergmann/diff
*/
class MemoryEfficientImplementation implements LongestCommonSubsequence
{
/**
* Calculates the longest common subsequence of two arrays.
*
* @param array $from
* @param array $to
* @return array
*/
public function calculate(array $from, array $to)
{
$cFrom = count($from);
$cTo = count($to);
if ($cFrom == 0) {
return array();
} elseif ($cFrom == 1) {
if (in_array($from[0], $to)) {
return array($from[0]);
} else {
return array();
}
} else {
$i = intval($cFrom / 2);
$fromStart = array_slice($from, 0, $i);
$fromEnd = array_slice($from, $i);
$llB = $this->length($fromStart, $to);
$llE = $this->length(array_reverse($fromEnd), array_reverse($to));
$jMax = 0;
$max = 0;
for ($j = 0; $j <= $cTo; $j++) {
$m = $llB[$j] + $llE[$cTo - $j];
if ($m >= $max) {
$max = $m;
$jMax = $j;
}
}
$toStart = array_slice($to, 0, $jMax);
$toEnd = array_slice($to, $jMax);
return array_merge(
$this->calculate($fromStart, $toStart),
$this->calculate($fromEnd, $toEnd)
);
}
}
/**
* @param array $from
* @param array $to
* @return array
*/
private function length(array $from, array $to)
{
$current = array_fill(0, count($to) + 1, 0);
$cFrom = count($from);
$cTo = count($to);
for ($i = 0; $i < $cFrom; $i++) {
$prev = $current;
for ($j = 0; $j < $cTo; $j++) {
if ($from[$i] == $to[$j]) {
$current[$j + 1] = $prev[$j] + 1;
} else {
$current[$j + 1] = max($current[$j], $prev[$j + 1]);
}
}
}
return $current;
}
}

79
vendor/sebastian/diff/src/LCS/TimeEfficientLongestCommonSubsequenceImplementation.php vendored
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@@ -1,79 +0,0 @@
<?php
/*
* This file is part of the Diff package.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\Diff\LCS;
/**
* Time-efficient implementation of longest common subsequence calculation.
*
* @package Diff
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @author Kore Nordmann <mail@kore-nordmann.de>
* @copyright Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.github.com/sebastianbergmann/diff
*/
class TimeEfficientImplementation implements LongestCommonSubsequence
{
/**
* Calculates the longest common subsequence of two arrays.
*
* @param array $from
* @param array $to
* @return array
*/
public function calculate(array $from, array $to)
{
$common = array();
$fromLength = count($from);
$toLength = count($to);
$width = $fromLength + 1;
$matrix = new \SplFixedArray($width * ($toLength + 1));
for ($i = 0; $i <= $fromLength; ++$i) {
$matrix[$i] = 0;
}
for ($j = 0; $j <= $toLength; ++$j) {
$matrix[$j * $width] = 0;
}
for ($i = 1; $i <= $fromLength; ++$i) {
for ($j = 1; $j <= $toLength; ++$j) {
$o = ($j * $width) + $i;
$matrix[$o] = max(
$matrix[$o - 1],
$matrix[$o - $width],
$from[$i - 1] === $to[$j - 1] ? $matrix[$o - $width - 1] + 1 : 0
);
}
}
$i = $fromLength;
$j = $toLength;
while ($i > 0 && $j > 0) {
if ($from[$i-1] === $to[$j-1]) {
$common[] = $from[$i-1];
--$i;
--$j;
} else {
$o = ($j * $width) + $i;
if ($matrix[$o - $width] > $matrix[$o - 1]) {
--$j;
} else {
--$i;
}
}
}
return array_reverse($common);
}
}