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Commit 5f6ff37e by Alexander Makarov
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Gii: use composer instead of including diff library directly

parent 514f121c
Showing with 8 additions and 1747 deletions
framework/composer.json
......@@ -63,10 +63,17 @@
"irc": "irc://irc.freenode.net/yii",
"source": "https://github.com/yiisoft/yii2"
},
"repositories": [
{
"type": "pear",
"url": "http://pear.horde.org"
}
],
"require": {
"php": ">=5.3.7",
"ext-mbstring": "*",
"lib-pcre": "*"
"lib-pcre": "*",
"pear-pear.horde.org/horde_text_diff": "2.0.*"
},
"autoload": {
"psr-0": { "yii\\": "/" }
......
framework/yii/gii/components/TextDiff.php
......@@ -17,7 +17,6 @@ class TextDiff
{
public static function compare($lines1, $lines2)
{
Yii::setAlias('@Horde', '@yii/gii/lib/Horde');
if (is_string($lines1)) {
$lines1 = explode("\n", $lines1);
}
......
framework/yii/gii/lib/Horde/Text/Diff.php deleted 100644 → 0
<?php
/**
* General API for generating and formatting diffs - the differences between
* two sequences of strings.
*
* The original PHP version of this code was written by Geoffrey T. Dairiki
* <dairiki@dairiki.org>, and is used/adapted with his permission.
*
* Copyright 2004 Geoffrey T. Dairiki <dairiki@dairiki.org>
* Copyright 2004-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
*/
class Horde_Text_Diff
{
/**
* Array of changes.
*
* @var array
*/
protected $_edits;
/**
* Computes diffs between sequences of strings.
*
* @param string $engine Name of the diffing engine to use. 'auto'
* will automatically select the best.
* @param array $params Parameters to pass to the diffing engine.
* Normally an array of two arrays, each
* containing the lines from a file.
*/
public function __construct($engine, $params)
{
if ($engine == 'auto') {
$engine = extension_loaded('xdiff') ? 'Xdiff' : 'Native';
} else {
$engine = ucfirst(basename($engine));
}
$class = 'Horde_Text_Diff_Engine_' . $engine;
$diff_engine = new $class();
$this->_edits = call_user_func_array(array($diff_engine, 'diff'), $params);
}
/**
* Returns the array of differences.
*/
public function getDiff()
{
return $this->_edits;
}
/**
* returns the number of new (added) lines in a given diff.
*
* @return integer The number of new lines
*/
public function countAddedLines()
{
$count = 0;
foreach ($this->_edits as $edit) {
if ($edit instanceof Horde_Text_Diff_Op_Add ||
$edit instanceof Horde_Text_Diff_Op_Change) {
$count += $edit->nfinal();
}
}
return $count;
}
/**
* Returns the number of deleted (removed) lines in a given diff.
*
* @return integer The number of deleted lines
*/
public function countDeletedLines()
{
$count = 0;
foreach ($this->_edits as $edit) {
if ($edit instanceof Horde_Text_Diff_Op_Delete ||
$edit instanceof Horde_Text_Diff_Op_Change) {
$count += $edit->norig();
}
}
return $count;
}
/**
* Computes a reversed diff.
*
* Example:
* <code>
* $diff = new Horde_Text_Diff($lines1, $lines2);
* $rev = $diff->reverse();
* </code>
*
* @return Horde_Text_Diff A Diff object representing the inverse of the
* original diff. Note that we purposely don't return a
* reference here, since this essentially is a clone()
* method.
*/
public function reverse()
{
if (version_compare(zend_version(), '2', '>')) {
$rev = clone($this);
} else {
$rev = $this;
}
$rev->_edits = array();
foreach ($this->_edits as $edit) {
$rev->_edits[] = $edit->reverse();
}
return $rev;
}
/**
* Checks for an empty diff.
*
* @return boolean True if two sequences were identical.
*/
public function isEmpty()
{
foreach ($this->_edits as $edit) {
if (!($edit instanceof Horde_Text_Diff_Op_Copy)) {
return false;
}
}
return true;
}
/**
* Computes the length of the Longest Common Subsequence (LCS).
*
* This is mostly for diagnostic purposes.
*
* @return integer The length of the LCS.
*/
public function lcs()
{
$lcs = 0;
foreach ($this->_edits as $edit) {
if ($edit instanceof Horde_Text_Diff_Op_Copy) {
$lcs += count($edit->orig);
}
}
return $lcs;
}
/**
* Gets the original set of lines.
*
* This reconstructs the $from_lines parameter passed to the constructor.
*
* @return array The original sequence of strings.
*/
public function getOriginal()
{
$lines = array();
foreach ($this->_edits as $edit) {
if ($edit->orig) {
array_splice($lines, count($lines), 0, $edit->orig);
}
}
return $lines;
}
/**
* Gets the final set of lines.
*
* This reconstructs the $to_lines parameter passed to the constructor.
*
* @return array The sequence of strings.
*/
public function getFinal()
{
$lines = array();
foreach ($this->_edits as $edit) {
if ($edit->final) {
array_splice($lines, count($lines), 0, $edit->final);
}
}
return $lines;
}
/**
* Removes trailing newlines from a line of text. This is meant to be used
* with array_walk().
*
* @param string $line The line to trim.
* @param integer $key The index of the line in the array. Not used.
*/
static public function trimNewlines(&$line, $key)
{
$line = str_replace(array("\n", "\r"), '', $line);
}
/**
* Checks a diff for validity.
*
* This is here only for debugging purposes.
*/
protected function _check($from_lines, $to_lines)
{
if (serialize($from_lines) != serialize($this->getOriginal())) {
trigger_error("Reconstructed original doesn't match", E_USER_ERROR);
}
if (serialize($to_lines) != serialize($this->getFinal())) {
trigger_error("Reconstructed final doesn't match", E_USER_ERROR);
}
$rev = $this->reverse();
if (serialize($to_lines) != serialize($rev->getOriginal())) {
trigger_error("Reversed original doesn't match", E_USER_ERROR);
}
if (serialize($from_lines) != serialize($rev->getFinal())) {
trigger_error("Reversed final doesn't match", E_USER_ERROR);
}
$prevtype = null;
foreach ($this->_edits as $edit) {
if ($prevtype == get_class($edit)) {
trigger_error("Edit sequence is non-optimal", E_USER_ERROR);
}
$prevtype = get_class($edit);
}
return true;
}
}
framework/yii/gii/lib/Horde/Text/Diff/Engine/Shell.php deleted 100644 → 0
<?php
/**
* Class used internally by Diff to actually compute the diffs.
*
* This class uses the Unix `diff` program via shell_exec to compute the
* differences between the two input arrays.
*
* Copyright 2007-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Milian Wolff <mail@milianw.de>
* @package Text_Diff
*/
class Horde_Text_Diff_Engine_Shell
{
/**
* Path to the diff executable
*
* @var string
*/
protected $_diffCommand = 'diff';
/**
* Returns the array of differences.
*
* @param array $from_lines lines of text from old file
* @param array $to_lines lines of text from new file
*
* @return array all changes made (array with Horde_Text_Diff_Op_* objects)
*/
public function diff($from_lines, $to_lines)
{
array_walk($from_lines, array('Horde_Text_Diff', 'trimNewlines'));
array_walk($to_lines, array('Horde_Text_Diff', 'trimNewlines'));
// Execute gnu diff or similar to get a standard diff file.
$from_file = Horde_Util::getTempFile('Horde_Text_Diff');
$to_file = Horde_Util::getTempFile('Horde_Text_Diff');
$fp = fopen($from_file, 'w');
fwrite($fp, implode("\n", $from_lines));
fclose($fp);
$fp = fopen($to_file, 'w');
fwrite($fp, implode("\n", $to_lines));
fclose($fp);
$diff = shell_exec($this->_diffCommand . ' ' . $from_file . ' ' . $to_file);
unlink($from_file);
unlink($to_file);
if (is_null($diff)) {
// No changes were made
return array(new Horde_Text_Diff_Op_Copy($from_lines));
}
$from_line_no = 1;
$to_line_no = 1;
$edits = array();
// Get changed lines by parsing something like:
// 0a1,2
// 1,2c4,6
// 1,5d6
preg_match_all('#^(\d+)(?:,(\d+))?([adc])(\d+)(?:,(\d+))?$#m', $diff,
$matches, PREG_SET_ORDER);
foreach ($matches as $match) {
if (!isset($match[5])) {
// This paren is not set every time (see regex).
$match[5] = false;
}
if ($match[3] == 'a') {
$from_line_no--;
}
if ($match[3] == 'd') {
$to_line_no--;
}
if ($from_line_no < $match[1] || $to_line_no < $match[4]) {
// copied lines
assert('$match[1] - $from_line_no == $match[4] - $to_line_no');
array_push($edits,
new Horde_Text_Diff_Op_Copy(
$this->_getLines($from_lines, $from_line_no, $match[1] - 1),
$this->_getLines($to_lines, $to_line_no, $match[4] - 1)));
}
switch ($match[3]) {
case 'd':
// deleted lines
array_push($edits,
new Horde_Text_Diff_Op_Delete(
$this->_getLines($from_lines, $from_line_no, $match[2])));
$to_line_no++;
break;
case 'c':
// changed lines
array_push($edits,
new Horde_Text_Diff_Op_Change(
$this->_getLines($from_lines, $from_line_no, $match[2]),
$this->_getLines($to_lines, $to_line_no, $match[5])));
break;
case 'a':
// added lines
array_push($edits,
new Horde_Text_Diff_Op_Add(
$this->_getLines($to_lines, $to_line_no, $match[5])));
$from_line_no++;
break;
}
}
if (!empty($from_lines)) {
// Some lines might still be pending. Add them as copied
array_push($edits,
new Horde_Text_Diff_Op_Copy(
$this->_getLines($from_lines, $from_line_no,
$from_line_no + count($from_lines) - 1),
$this->_getLines($to_lines, $to_line_no,
$to_line_no + count($to_lines) - 1)));
}
return $edits;
}
/**
* Get lines from either the old or new text
*
* @access private
*
* @param array &$text_lines Either $from_lines or $to_lines
* @param int &$line_no Current line number
* @param int $end Optional end line, when we want to chop more
* than one line.
*
* @return array The chopped lines
*/
protected function _getLines(&$text_lines, &$line_no, $end = false)
{
if (!empty($end)) {
$lines = array();
// We can shift even more
while ($line_no <= $end) {
array_push($lines, array_shift($text_lines));
$line_no++;
}
} else {
$lines = array(array_shift($text_lines));
$line_no++;
}
return $lines;
}
}
framework/yii/gii/lib/Horde/Text/Diff/Engine/String.php deleted 100644 → 0
<?php
/**
* Parses unified or context diffs output from eg. the diff utility.
*
* Example:
* <code>
* $patch = file_get_contents('example.patch');
* $diff = new Horde_Text_Diff('string', array($patch));
* $renderer = new Horde_Text_Diff_Renderer_inline();
* echo $renderer->render($diff);
* </code>
*
* Copyright 2005 Örjan Persson <o@42mm.org>
* Copyright 2005-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Örjan Persson <o@42mm.org>
* @package Text_Diff
*/
class Horde_Text_Diff_Engine_String
{
/**
* Parses a unified or context diff.
*
* First param contains the whole diff and the second can be used to force
* a specific diff type. If the second parameter is 'autodetect', the
* diff will be examined to find out which type of diff this is.
*
* @param string $diff The diff content.
* @param string $mode The diff mode of the content in $diff. One of
* 'context', 'unified', or 'autodetect'.
*
* @return array List of all diff operations.
* @throws Horde_Text_Diff_Exception
*/
public function diff($diff, $mode = 'autodetect')
{
// Detect line breaks.
$lnbr = "\n";
if (strpos($diff, "\r\n") !== false) {
$lnbr = "\r\n";
} elseif (strpos($diff, "\r") !== false) {
$lnbr = "\r";
}
// Make sure we have a line break at the EOF.
if (substr($diff, -strlen($lnbr)) != $lnbr) {
$diff .= $lnbr;
}
if ($mode != 'autodetect' && $mode != 'context' && $mode != 'unified') {
throw new Horde_Text_Diff_Exception('Type of diff is unsupported');
}
if ($mode == 'autodetect') {
$context = strpos($diff, '***');
$unified = strpos($diff, '---');
if ($context === $unified) {
throw new Horde_Text_Diff_Exception('Type of diff could not be detected');
} elseif ($context === false || $unified === false) {
$mode = $context !== false ? 'context' : 'unified';
} else {
$mode = $context < $unified ? 'context' : 'unified';
}
}
// Split by new line and remove the diff header, if there is one.
$diff = explode($lnbr, $diff);
if (($mode == 'context' && strpos($diff[0], '***') === 0) ||
($mode == 'unified' && strpos($diff[0], '---') === 0)) {
array_shift($diff);
array_shift($diff);
}
if ($mode == 'context') {
return $this->parseContextDiff($diff);
} else {
return $this->parseUnifiedDiff($diff);
}
}
/**
* Parses an array containing the unified diff.
*
* @param array $diff Array of lines.
*
* @return array List of all diff operations.
*/
public function parseUnifiedDiff($diff)
{
$edits = array();
$end = count($diff) - 1;
for ($i = 0; $i < $end;) {
$diff1 = array();
switch (substr($diff[$i], 0, 1)) {
case ' ':
do {
$diff1[] = substr($diff[$i], 1);
} while (++$i < $end && substr($diff[$i], 0, 1) == ' ');
$edits[] = new Horde_Text_Diff_Op_Copy($diff1);
break;
case '+':
// get all new lines
do {
$diff1[] = substr($diff[$i], 1);
} while (++$i < $end && substr($diff[$i], 0, 1) == '+');
$edits[] = new Horde_Text_Diff_Op_Add($diff1);
break;
case '-':
// get changed or removed lines
$diff2 = array();
do {
$diff1[] = substr($diff[$i], 1);
} while (++$i < $end && substr($diff[$i], 0, 1) == '-');
while ($i < $end && substr($diff[$i], 0, 1) == '+') {
$diff2[] = substr($diff[$i++], 1);
}
if (count($diff2) == 0) {
$edits[] = new Horde_Text_Diff_Op_Delete($diff1);
} else {
$edits[] = new Horde_Text_Diff_Op_Change($diff1, $diff2);
}
break;
default:
$i++;
break;
}
}
return $edits;
}
/**
* Parses an array containing the context diff.
*
* @param array $diff Array of lines.
*
* @return array List of all diff operations.
*/
public function parseContextDiff(&$diff)
{
$edits = array();
$i = $max_i = $j = $max_j = 0;
$end = count($diff) - 1;
while ($i < $end && $j < $end) {
while ($i >= $max_i && $j >= $max_j) {
// Find the boundaries of the diff output of the two files
for ($i = $j;
$i < $end && substr($diff[$i], 0, 3) == '***';
$i++);
for ($max_i = $i;
$max_i < $end && substr($diff[$max_i], 0, 3) != '---';
$max_i++);
for ($j = $max_i;
$j < $end && substr($diff[$j], 0, 3) == '---';
$j++);
for ($max_j = $j;
$max_j < $end && substr($diff[$max_j], 0, 3) != '***';
$max_j++);
}
// find what hasn't been changed
$array = array();
while ($i < $max_i &&
$j < $max_j &&
strcmp($diff[$i], $diff[$j]) == 0) {
$array[] = substr($diff[$i], 2);
$i++;
$j++;
}
while ($i < $max_i && ($max_j-$j) <= 1) {
if ($diff[$i] != '' && substr($diff[$i], 0, 1) != ' ') {
break;
}
$array[] = substr($diff[$i++], 2);
}
while ($j < $max_j && ($max_i-$i) <= 1) {
if ($diff[$j] != '' && substr($diff[$j], 0, 1) != ' ') {
break;
}
$array[] = substr($diff[$j++], 2);
}
if (count($array) > 0) {
$edits[] = new Horde_Text_Diff_Op_Copy($array);
}
if ($i < $max_i) {
$diff1 = array();
switch (substr($diff[$i], 0, 1)) {
case '!':
$diff2 = array();
do {
$diff1[] = substr($diff[$i], 2);
if ($j < $max_j && substr($diff[$j], 0, 1) == '!') {
$diff2[] = substr($diff[$j++], 2);
}
} while (++$i < $max_i && substr($diff[$i], 0, 1) == '!');
$edits[] = new Horde_Text_Diff_Op_Change($diff1, $diff2);
break;
case '+':
do {
$diff1[] = substr($diff[$i], 2);
} while (++$i < $max_i && substr($diff[$i], 0, 1) == '+');
$edits[] = new Horde_Text_Diff_Op_Add($diff1);
break;
case '-':
do {
$diff1[] = substr($diff[$i], 2);
} while (++$i < $max_i && substr($diff[$i], 0, 1) == '-');
$edits[] = new Horde_Text_Diff_Op_Delete($diff1);
break;
}
}
if ($j < $max_j) {
$diff2 = array();
switch (substr($diff[$j], 0, 1)) {
case '+':
do {
$diff2[] = substr($diff[$j++], 2);
} while ($j < $max_j && substr($diff[$j], 0, 1) == '+');
$edits[] = new Horde_Text_Diff_Op_Add($diff2);
break;
case '-':
do {
$diff2[] = substr($diff[$j++], 2);
} while ($j < $max_j && substr($diff[$j], 0, 1) == '-');
$edits[] = new Horde_Text_Diff_Op_Delete($diff2);
break;
}
}
}
return $edits;
}
}
framework/yii/gii/lib/Horde/Text/Diff/Engine/Xdiff.php deleted 100644 → 0
<?php
/**
* Class used internally by Diff to actually compute the diffs.
*
* This class uses the xdiff PECL package (http://pecl.php.net/package/xdiff)
* to compute the differences between the two input arrays.
*
* Copyright 2004-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Jon Parise <jon@horde.org>
* @package Text_Diff
*/
class Horde_Text_Diff_Engine_Xdiff
{
/**
*/
public function diff($from_lines, $to_lines)
{
if (!extension_loaded('xdiff')) {
throw new Horde_Text_Diff_Exception('The xdiff extension is required for this diff engine');
}
array_walk($from_lines, array('Horde_Text_Diff', 'trimNewlines'));
array_walk($to_lines, array('Horde_Text_Diff', 'trimNewlines'));
/* Convert the two input arrays into strings for xdiff processing. */
$from_string = implode("\n", $from_lines);
$to_string = implode("\n", $to_lines);
/* Diff the two strings and convert the result to an array. */
$diff = xdiff_string_diff($from_string, $to_string, count($to_lines));
$diff = explode("\n", $diff);
/* Walk through the diff one line at a time. We build the $edits
* array of diff operations by reading the first character of the
* xdiff output (which is in the "unified diff" format).
*
* Note that we don't have enough information to detect "changed"
* lines using this approach, so we can't add Horde_Text_Diff_Op_Changed
* instances to the $edits array. The result is still perfectly
* valid, albeit a little less descriptive and efficient. */
$edits = array();
foreach ($diff as $line) {
if (!strlen($line)) {
continue;
}
switch ($line[0]) {
case ' ':
$edits[] = new Horde_Text_Diff_Op_Copy(array(substr($line, 1)));
break;
case '+':
$edits[] = new Horde_Text_Diff_Op_Add(array(substr($line, 1)));
break;
case '-':
$edits[] = new Horde_Text_Diff_Op_Delete(array(substr($line, 1)));
break;
}
}
return $edits;
}
}
framework/yii/gii/lib/Horde/Text/Diff/Exception.php deleted 100644 → 0
<?php
/**
* Exception handler for the Text_Diff package.
*
* Copyright 2011-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Jan Schneider <jan@horde.org>
* @category Horde
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Text_Diff
*/
class Horde_Text_Diff_Exception extends Horde_Exception_Wrapped
{
}
framework/yii/gii/lib/Horde/Text/Diff/Mapped.php deleted 100644 → 0
<?php
/**
* Copyright 2007-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
*/
class Horde_Text_Diff_Mapped extends Horde_Text_Diff
{
/**
* Computes a diff between sequences of strings.
*
* This can be used to compute things like case-insensitve diffs, or diffs
* which ignore changes in white-space.
*
* @param array $from_lines An array of strings.
* @param array $to_lines An array of strings.
* @param array $mapped_from_lines This array should have the same size
* number of elements as $from_lines. The
* elements in $mapped_from_lines and
* $mapped_to_lines are what is actually
* compared when computing the diff.
* @param array $mapped_to_lines This array should have the same number
* of elements as $to_lines.
*/
public function __construct($from_lines, $to_lines,
$mapped_from_lines, $mapped_to_lines)
{
assert(count($from_lines) == count($mapped_from_lines));
assert(count($to_lines) == count($mapped_to_lines));
parent::__construct($mapped_from_lines, $mapped_to_lines);
$xi = $yi = 0;
for ($i = 0; $i < count($this->_edits); $i++) {
$orig = &$this->_edits[$i]->orig;
if (is_array($orig)) {
$orig = array_slice($from_lines, $xi, count($orig));
$xi += count($orig);
}
$final = &$this->_edits[$i]->final;
if (is_array($final)) {
$final = array_slice($to_lines, $yi, count($final));
$yi += count($final);
}
}
}
}
framework/yii/gii/lib/Horde/Text/Diff/Op/Add.php deleted 100644 → 0
<?php
/**
* The original PHP version of this code was written by Geoffrey T. Dairiki
* <dairiki@dairiki.org>, and is used/adapted with his permission.
*
* Copyright 2004 Geoffrey T. Dairiki <dairiki@dairiki.org>
* Copyright 2004-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
*/
class Horde_Text_Diff_Op_Add extends Horde_Text_Diff_Op_Base
{
public function __construct($lines)
{
$this->final = $lines;
$this->orig = false;
}
public function reverse()
{
return new Horde_Text_Diff_Op_Delete($this->final);
}
}
framework/yii/gii/lib/Horde/Text/Diff/Op/Base.php deleted 100644 → 0
<?php
/**
* The original PHP version of this code was written by Geoffrey T. Dairiki
* <dairiki@dairiki.org>, and is used/adapted with his permission.
*
* Copyright 2004 Geoffrey T. Dairiki <dairiki@dairiki.org>
* Copyright 2004-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
*/
abstract class Horde_Text_Diff_Op_Base
{
public $orig;
public $final;
abstract public function reverse();
public function norig()
{
return $this->orig ? count($this->orig) : 0;
}
public function nfinal()
{
return $this->final ? count($this->final) : 0;
}
}
framework/yii/gii/lib/Horde/Text/Diff/Op/Change.php deleted 100644 → 0
<?php
/**
* The original PHP version of this code was written by Geoffrey T. Dairiki
* <dairiki@dairiki.org>, and is used/adapted with his permission.
*
* Copyright 2004 Geoffrey T. Dairiki <dairiki@dairiki.org>
* Copyright 2004-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
*/
class Horde_Text_Diff_Op_Change extends Horde_Text_Diff_Op_Base
{
public function __construct($orig, $final)
{
$this->orig = $orig;
$this->final = $final;
}
public function reverse()
{
return new Horde_Text_Diff_Op_Change($this->final, $this->orig);
}
}
framework/yii/gii/lib/Horde/Text/Diff/Op/Copy.php deleted 100644 → 0
<?php
/**
* The original PHP version of this code was written by Geoffrey T. Dairiki
* <dairiki@dairiki.org>, and is used/adapted with his permission.
*
* Copyright 2004 Geoffrey T. Dairiki <dairiki@dairiki.org>
* Copyright 2004-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
*/
class Horde_Text_Diff_Op_Copy extends Horde_Text_Diff_Op_Base
{
public function __construct($orig, $final = false)
{
if (!is_array($final)) {
$final = $orig;
}
$this->orig = $orig;
$this->final = $final;
}
public function reverse()
{
return new Horde_Text_Diff_Op_Copy($this->final, $this->orig);
}
}
framework/yii/gii/lib/Horde/Text/Diff/Op/Delete.php deleted 100644 → 0
<?php
/**
* The original PHP version of this code was written by Geoffrey T. Dairiki
* <dairiki@dairiki.org>, and is used/adapted with his permission.
*
* Copyright 2004 Geoffrey T. Dairiki <dairiki@dairiki.org>
* Copyright 2004-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
*/
class Horde_Text_Diff_Op_Delete extends Horde_Text_Diff_Op_Base
{
public function __construct($lines)
{
$this->orig = $lines;
$this->final = false;
}
public function reverse()
{
return new Horde_Text_Diff_Op_Add($this->orig);
}
}
framework/yii/gii/lib/Horde/Text/Diff/Renderer.php deleted 100644 → 0
<?php
/**
* A class to render Diffs in different formats.
*
* This class renders the diff in classic diff format. It is intended that
* this class be customized via inheritance, to obtain fancier outputs.
*
* Copyright 2004-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
*/
class Horde_Text_Diff_Renderer
{
/**
* Number of leading context "lines" to preserve.
*
* This should be left at zero for this class, but subclasses may want to
* set this to other values.
*/
protected $_leading_context_lines = 0;
/**
* Number of trailing context "lines" to preserve.
*
* This should be left at zero for this class, but subclasses may want to
* set this to other values.
*/
protected $_trailing_context_lines = 0;
/**
* Constructor.
*/
public function __construct($params = array())
{
foreach ($params as $param => $value) {
$v = '_' . $param;
if (isset($this->$v)) {
$this->$v = $value;
}
}
}
/**
* Get any renderer parameters.
*
* @return array All parameters of this renderer object.
*/
public function getParams()
{
$params = array();
foreach (get_object_vars($this) as $k => $v) {
if ($k[0] == '_') {
$params[substr($k, 1)] = $v;
}
}
return $params;
}
/**
* Renders a diff.
*
* @param Horde_Text_Diff $diff A Horde_Text_Diff object.
*
* @return string The formatted output.
*/
public function render($diff)
{
$xi = $yi = 1;
$block = false;
$context = array();
$nlead = $this->_leading_context_lines;
$ntrail = $this->_trailing_context_lines;
$output = $this->_startDiff();
$diffs = $diff->getDiff();
foreach ($diffs as $i => $edit) {
/* If these are unchanged (copied) lines, and we want to keep
* leading or trailing context lines, extract them from the copy
* block. */
if ($edit instanceof Horde_Text_Diff_Op_Copy) {
/* Do we have any diff blocks yet? */
if (is_array($block)) {
/* How many lines to keep as context from the copy
* block. */
$keep = $i == count($diffs) - 1 ? $ntrail : $nlead + $ntrail;
if (count($edit->orig) <= $keep) {
/* We have less lines in the block than we want for
* context => keep the whole block. */
$block[] = $edit;
} else {
if ($ntrail) {
/* Create a new block with as many lines as we need
* for the trailing context. */
$context = array_slice($edit->orig, 0, $ntrail);
$block[] = new Horde_Text_Diff_Op_Copy($context);
}
/* @todo */
$output .= $this->_block($x0, $ntrail + $xi - $x0,
$y0, $ntrail + $yi - $y0,
$block);
$block = false;
}
}
/* Keep the copy block as the context for the next block. */
$context = $edit->orig;
} else {
/* Don't we have any diff blocks yet? */
if (!is_array($block)) {
/* Extract context lines from the preceding copy block. */
$context = array_slice($context, count($context) - $nlead);
$x0 = $xi - count($context);
$y0 = $yi - count($context);
$block = array();
if ($context) {
$block[] = new Horde_Text_Diff_Op_Copy($context);
}
}
$block[] = $edit;
}
if ($edit->orig) {
$xi += count($edit->orig);
}
if ($edit->final) {
$yi += count($edit->final);
}
}
if (is_array($block)) {
$output .= $this->_block($x0, $xi - $x0,
$y0, $yi - $y0,
$block);
}
return $output . $this->_endDiff();
}
protected function _block($xbeg, $xlen, $ybeg, $ylen, &$edits)
{
$output = $this->_startBlock($this->_blockHeader($xbeg, $xlen, $ybeg, $ylen));
foreach ($edits as $edit) {
switch (get_class($edit)) {
case 'Horde_Text_Diff_Op_Copy':
$output .= $this->_context($edit->orig);
break;
case 'Horde_Text_Diff_Op_Add':
$output .= $this->_added($edit->final);
break;
case 'Horde_Text_Diff_Op_Delete':
$output .= $this->_deleted($edit->orig);
break;
case 'Horde_Text_Diff_Op_Change':
$output .= $this->_changed($edit->orig, $edit->final);
break;
}
}
return $output . $this->_endBlock();
}
protected function _startDiff()
{
return '';
}
protected function _endDiff()
{
return '';
}
protected function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
{
if ($xlen > 1) {
$xbeg .= ',' . ($xbeg + $xlen - 1);
}
if ($ylen > 1) {
$ybeg .= ',' . ($ybeg + $ylen - 1);
}
// this matches the GNU Diff behaviour
if ($xlen && !$ylen) {
$ybeg--;
} elseif (!$xlen) {
$xbeg--;
}
return $xbeg . ($xlen ? ($ylen ? 'c' : 'd') : 'a') . $ybeg;
}
protected function _startBlock($header)
{
return $header . "\n";
}
protected function _endBlock()
{
return '';
}
protected function _lines($lines, $prefix = ' ')
{
return $prefix . implode("\n$prefix", $lines) . "\n";
}
protected function _context($lines)
{
return $this->_lines($lines, ' ');
}
protected function _added($lines)
{
return $this->_lines($lines, '> ');
}
protected function _deleted($lines)
{
return $this->_lines($lines, '< ');
}
protected function _changed($orig, $final)
{
return $this->_deleted($orig) . "---\n" . $this->_added($final);
}
}
framework/yii/gii/lib/Horde/Text/Diff/Renderer/Context.php deleted 100644 → 0
<?php
/**
* "Context" diff renderer.
*
* This class renders the diff in classic "context diff" format.
*
* Copyright 2004-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
*/
class Horde_Text_Diff_Renderer_Context extends Horde_Text_Diff_Renderer
{
/**
* Number of leading context "lines" to preserve.
*/
protected $_leading_context_lines = 4;
/**
* Number of trailing context "lines" to preserve.
*/
protected $_trailing_context_lines = 4;
protected $_second_block = '';
protected function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
{
if ($xlen != 1) {
$xbeg .= ',' . $xlen;
}
if ($ylen != 1) {
$ybeg .= ',' . $ylen;
}
$this->_second_block = "--- $ybeg ----\n";
return "***************\n*** $xbeg ****";
}
protected function _endBlock()
{
return $this->_second_block;
}
protected function _context($lines)
{
$this->_second_block .= $this->_lines($lines, ' ');
return $this->_lines($lines, ' ');
}
protected function _added($lines)
{
$this->_second_block .= $this->_lines($lines, '+ ');
return '';
}
protected function _deleted($lines)
{
return $this->_lines($lines, '- ');
}
protected function _changed($orig, $final)
{
$this->_second_block .= $this->_lines($final, '! ');
return $this->_lines($orig, '! ');
}
}
framework/yii/gii/lib/Horde/Text/Diff/Renderer/Inline.php deleted 100644 → 0
<?php
/**
* "Inline" diff renderer.
*
* This class renders diffs in the Wiki-style "inline" format.
*
* Copyright 2004-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Ciprian Popovici
* @package Text_Diff
*/
class Horde_Text_Diff_Renderer_Inline extends Horde_Text_Diff_Renderer
{
/**
* Number of leading context "lines" to preserve.
*
* @var integer
*/
protected $_leading_context_lines = 10000;
/**
* Number of trailing context "lines" to preserve.
*
* @var integer
*/
protected $_trailing_context_lines = 10000;
/**
* Prefix for inserted text.
*
* @var string
*/
protected $_ins_prefix = '<ins>';
/**
* Suffix for inserted text.
*
* @var string
*/
protected $_ins_suffix = '</ins>';
/**
* Prefix for deleted text.
*
* @var string
*/
protected $_del_prefix = '<del>';
/**
* Suffix for deleted text.
*
* @var string
*/
protected $_del_suffix = '</del>';
/**
* Header for each change block.
*
* @var string
*/
protected $_block_header = '';
/**
* Whether to split down to character-level.
*
* @var boolean
*/
protected $_split_characters = false;
/**
* What are we currently splitting on? Used to recurse to show word-level
* or character-level changes.
*
* @var string
*/
protected $_split_level = 'lines';
protected function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
{
return $this->_block_header;
}
protected function _startBlock($header)
{
return $header;
}
protected function _lines($lines, $prefix = ' ', $encode = true)
{
if ($encode) {
array_walk($lines, array(&$this, '_encode'));
}
if ($this->_split_level == 'lines') {
return implode("\n", $lines) . "\n";
} else {
return implode('', $lines);
}
}
protected function _added($lines)
{
array_walk($lines, array(&$this, '_encode'));
$lines[0] = $this->_ins_prefix . $lines[0];
$lines[count($lines) - 1] .= $this->_ins_suffix;
return $this->_lines($lines, ' ', false);
}
protected function _deleted($lines, $words = false)
{
array_walk($lines, array(&$this, '_encode'));
$lines[0] = $this->_del_prefix . $lines[0];
$lines[count($lines) - 1] .= $this->_del_suffix;
return $this->_lines($lines, ' ', false);
}
protected function _changed($orig, $final)
{
/* If we've already split on characters, just display. */
if ($this->_split_level == 'characters') {
return $this->_deleted($orig)
. $this->_added($final);
}
/* If we've already split on words, just display. */
if ($this->_split_level == 'words') {
$prefix = '';
while ($orig[0] !== false && $final[0] !== false &&
substr($orig[0], 0, 1) == ' ' &&
substr($final[0], 0, 1) == ' ') {
$prefix .= substr($orig[0], 0, 1);
$orig[0] = substr($orig[0], 1);
$final[0] = substr($final[0], 1);
}
return $prefix . $this->_deleted($orig) . $this->_added($final);
}
$text1 = implode("\n", $orig);
$text2 = implode("\n", $final);
/* Non-printing newline marker. */
$nl = "\0";
if ($this->_split_characters) {
$diff = new Horde_Text_Diff('native',
array(preg_split('//', $text1),
preg_split('//', $text2)));
} else {
/* We want to split on word boundaries, but we need to preserve
* whitespace as well. Therefore we split on words, but include
* all blocks of whitespace in the wordlist. */
$diff = new Horde_Text_Diff('native',
array($this->_splitOnWords($text1, $nl),
$this->_splitOnWords($text2, $nl)));
}
/* Get the diff in inline format. */
$renderer = new Horde_Text_Diff_Renderer_inline
(array_merge($this->getParams(),
array('split_level' => $this->_split_characters ? 'characters' : 'words')));
/* Run the diff and get the output. */
return str_replace($nl, "\n", $renderer->render($diff)) . "\n";
}
protected function _splitOnWords($string, $newlineEscape = "\n")
{
// Ignore \0; otherwise the while loop will never finish.
$string = str_replace("\0", '', $string);
$words = array();
$length = strlen($string);
$pos = 0;
while ($pos < $length) {
// Eat a word with any preceding whitespace.
$spaces = strspn(substr($string, $pos), " \n");
$nextpos = strcspn(substr($string, $pos + $spaces), " \n");
$words[] = str_replace("\n", $newlineEscape, substr($string, $pos, $spaces + $nextpos));
$pos += $spaces + $nextpos;
}
return $words;
}
protected function _encode(&$string)
{
$string = htmlspecialchars($string);
}
}
framework/yii/gii/lib/Horde/Text/Diff/Renderer/Unified.php deleted 100644 → 0
<?php
/**
* "Unified" diff renderer.
*
* This class renders the diff in classic "unified diff" format.
*
* Copyright 2004-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Ciprian Popovici
* @package Text_Diff
*/
class Horde_Text_Diff_Renderer_Unified extends Horde_Text_Diff_Renderer
{
/**
* Number of leading context "lines" to preserve.
*/
protected $_leading_context_lines = 4;
/**
* Number of trailing context "lines" to preserve.
*/
protected $_trailing_context_lines = 4;
protected function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
{
if ($xlen != 1) {
$xbeg .= ',' . $xlen;
}
if ($ylen != 1) {
$ybeg .= ',' . $ylen;
}
return "@@ -$xbeg +$ybeg @@";
}
protected function _context($lines)
{
return $this->_lines($lines, ' ');
}
protected function _added($lines)
{
return $this->_lines($lines, '+');
}
protected function _deleted($lines)
{
return $this->_lines($lines, '-');
}
protected function _changed($orig, $final)
{
return $this->_deleted($orig) . $this->_added($final);
}
}
framework/yii/gii/lib/Horde/Text/Diff/ThreeWay.php deleted 100644 → 0
<?php
/**
* A class for computing three way merges.
*
* Copyright 2007-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
*/
class Horde_Text_Diff_ThreeWay
{
/**
* Array of changes.
*
* @var array
*/
protected $_edits;
/**
* Conflict counter.
*
* @var integer
*/
protected $_conflictingBlocks = 0;
/**
* Computes diff between 3 sequences of strings.
*
* @param array $orig The original lines to use.
* @param array $final1 The first version to compare to.
* @param array $final2 The second version to compare to.
*/
public function __construct($orig, $final1, $final2)
{
if (extension_loaded('xdiff')) {
$engine = new Horde_Text_Diff_Engine_Xdiff();
} else {
$engine = new Horde_Text_Diff_Engine_Native();
}
$this->_edits = $this->_diff3($engine->diff($orig, $final1),
$engine->diff($orig, $final2));
}
/**
*/
public function mergedOutput($label1 = false, $label2 = false)
{
$lines = array();
foreach ($this->_edits as $edit) {
if ($edit->isConflict()) {
/* FIXME: this should probably be moved somewhere else. */
$lines = array_merge($lines,
array('<<<<<<<' . ($label1 ? ' ' . $label1 : '')),
$edit->final1,
array("======="),
$edit->final2,
array('>>>>>>>' . ($label2 ? ' ' . $label2 : '')));
$this->_conflictingBlocks++;
} else {
$lines = array_merge($lines, $edit->merged());
}
}
return $lines;
}
/**
*/
protected function _diff3($edits1, $edits2)
{
$edits = array();
$bb = new Horde_Text_Diff_ThreeWay_BlockBuilder();
$e1 = current($edits1);
$e2 = current($edits2);
while ($e1 || $e2) {
if ($e1 && $e2 &&
$e1 instanceof Horde_Text_Diff_Op_Copy &&
$e2 instanceof Horde_Text_Diff_Op_Copy) {
/* We have copy blocks from both diffs. This is the (only)
* time we want to emit a diff3 copy block. Flush current
* diff3 diff block, if any. */
if ($edit = $bb->finish()) {
$edits[] = $edit;
}
$ncopy = min($e1->norig(), $e2->norig());
assert($ncopy > 0);
$edits[] = new Horde_Text_Diff_ThreeWay_Op_Copy(array_slice($e1->orig, 0, $ncopy));
if ($e1->norig() > $ncopy) {
array_splice($e1->orig, 0, $ncopy);
array_splice($e1->final, 0, $ncopy);
} else {
$e1 = next($edits1);
}
if ($e2->norig() > $ncopy) {
array_splice($e2->orig, 0, $ncopy);
array_splice($e2->final, 0, $ncopy);
} else {
$e2 = next($edits2);
}
} else {
if ($e1 && $e2) {
if ($e1->orig && $e2->orig) {
$norig = min($e1->norig(), $e2->norig());
$orig = array_splice($e1->orig, 0, $norig);
array_splice($e2->orig, 0, $norig);
$bb->input($orig);
}
if ($e1 instanceof Horde_Text_Diff_Op_Copy) {
$bb->out1(array_splice($e1->final, 0, $norig));
}
if ($e2 instanceof Horde_Text_Diff_Op_Copy) {
$bb->out2(array_splice($e2->final, 0, $norig));
}
}
if ($e1 && ! $e1->orig) {
$bb->out1($e1->final);
$e1 = next($edits1);
}
if ($e2 && ! $e2->orig) {
$bb->out2($e2->final);
$e2 = next($edits2);
}
}
}
if ($edit = $bb->finish()) {
$edits[] = $edit;
}
return $edits;
}
}
framework/yii/gii/lib/Horde/Text/Diff/ThreeWay/BlockBuilder.php deleted 100644 → 0
<?php
/**
* Copyright 2007-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
*/
class Horde_Text_Diff_ThreeWay_BlockBuilder
{
public function __construct()
{
$this->_init();
}
public function input($lines)
{
if ($lines) {
$this->_append($this->orig, $lines);
}
}
public function out1($lines)
{
if ($lines) {
$this->_append($this->final1, $lines);
}
}
public function out2($lines)
{
if ($lines) {
$this->_append($this->final2, $lines);
}
}
public function isEmpty()
{
return !$this->orig && !$this->final1 && !$this->final2;
}
public function finish()
{
if ($this->isEmpty()) {
return false;
} else {
$edit = new Horde_Text_Diff_ThreeWay_Op_Base($this->orig, $this->final1, $this->final2);
$this->_init();
return $edit;
}
}
protected function _init()
{
$this->orig = $this->final1 = $this->final2 = array();
}
protected function _append(&$array, $lines)
{
array_splice($array, sizeof($array), 0, $lines);
}
}
framework/yii/gii/lib/Horde/Text/Diff/ThreeWay/Op/Base.php deleted 100644 → 0
<?php
/**
* Copyright 2007-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
*/
class Horde_Text_Diff_ThreeWay_Op_Base
{
public function __construct($orig = false, $final1 = false, $final2 = false)
{
$this->orig = $orig ? $orig : array();
$this->final1 = $final1 ? $final1 : array();
$this->final2 = $final2 ? $final2 : array();
}
public function merged()
{
if (!isset($this->_merged)) {
if ($this->final1 === $this->final2) {
$this->_merged = &$this->final1;
} elseif ($this->final1 === $this->orig) {
$this->_merged = &$this->final2;
} elseif ($this->final2 === $this->orig) {
$this->_merged = &$this->final1;
} else {
$this->_merged = false;
}
}
return $this->_merged;
}
public function isConflict()
{
return $this->merged() === false;
}
}
framework/yii/gii/lib/Horde/Text/Diff/ThreeWay/Op/Copy.php deleted 100644 → 0
<?php
/**
* Copyright 2007-2012 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
*/
class Horde_Text_Diff_ThreeWay_Op_Copy extends Horde_Text_Diff_ThreeWay_Op_Base
{
public function __construct($lines = false)
{
$this->orig = $lines ? $lines : array();
$this->final1 = &$this->orig;
$this->final2 = &$this->orig;
}
public function merged()
{
return $this->orig;
}
public function isConflict()
{
return false;
}
}
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