| Zeile 5 | Zeile 5 |
|---|
* This class renders the diff in classic diff format. It is intended that
* this class be customized via inheritance, to obtain fancier outputs.
*
|
* This class renders the diff in classic diff format. It is intended that
* this class be customized via inheritance, to obtain fancier outputs.
*
|
* $Horde: framework/Text_Diff/Diff/Renderer.php,v 1.5.10.10 2008/01/04 10:37:27 jan Exp $
*
* Copyright 2004-2008 The Horde Project (http://www.horde.org/)
| * Copyright 2004-2011 Horde LLC (http://www.horde.org/)
|
*
* See the enclosed file COPYING for license information (LGPL). If you did
|
*
* See the enclosed file COPYING for license information (LGPL). If you did
|
* not receive this file, see http://opensource.org/licenses/lgpl-license.php.
| * not receive this file, see http://www.horde.org/licenses/lgpl21.
|
*
* @package Text_Diff
*/
|
*
* @package Text_Diff
*/
|
class Text_Diff_Renderer {
| |
|
|
| | // Disallow direct access to this file for security reasons
if(!defined("IN_MYBB"))
{
die("Direct initialization of this file is not allowed.<br /><br />Please make sure IN_MYBB is defined.");
}
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.
*/
|
/**
* 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.
*/
|
var $_leading_context_lines = 0;
| protected $_leading_context_lines = 0;
|
/**
* Number of trailing context "lines" to preserve.
|
/**
* Number of trailing context "lines" to preserve.
|
| Zeile 30 | Zeile 35 |
|---|
* This should be left at zero for this class, but subclasses may want to
* set this to other values.
*/
|
* This should be left at zero for this class, but subclasses may want to
* set this to other values.
*/
|
var $_trailing_context_lines = 0;
| protected $_trailing_context_lines = 0;
|
/**
* Constructor.
*/
|
/**
* Constructor.
*/
|
function Text_Diff_Renderer($params = array())
| public function __construct($params = array())
|
{
foreach ($params as $param => $value) {
$v = '_' . $param;
| {
foreach ($params as $param => $value) {
$v = '_' . $param;
|
| Zeile 50 | Zeile 55 |
|---|
*
* @return array All parameters of this renderer object.
*/
|
*
* @return array All parameters of this renderer object.
*/
|
function getParams()
| public function getParams()
|
{
$params = array();
foreach (get_object_vars($this) as $k => $v) {
| {
$params = array();
foreach (get_object_vars($this) as $k => $v) {
|
| Zeile 65 | Zeile 70 |
|---|
/**
* Renders a diff.
*
|
/**
* Renders a diff.
*
|
* @param Text_Diff $diff A Text_Diff object.
| * @param Horde_Text_Diff $diff A Horde_Text_Diff object.
|
*
* @return string The formatted output.
*/
|
*
* @return string The formatted output.
*/
|
function render($diff)
| public function render($diff)
|
{
$xi = $yi = 1;
$block = false;
| {
$xi = $yi = 1;
$block = false;
|
| Zeile 85 | Zeile 90 |
|---|
/* If these are unchanged (copied) lines, and we want to keep
* leading or trailing context lines, extract them from the copy
* block. */
|
/* If these are unchanged (copied) lines, and we want to keep
* leading or trailing context lines, extract them from the copy
* block. */
|
if (is_a($edit, 'Text_Diff_Op_copy')) {
| 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
| /* Do we have any diff blocks yet? */
if (is_array($block)) {
/* How many lines to keep as context from the copy
|
| Zeile 100 | Zeile 105 |
|---|
/* Create a new block with as many lines as we need
* for the trailing context. */
$context = array_slice($edit->orig, 0, $ntrail);
|
/* Create a new block with as many lines as we need
* for the trailing context. */
$context = array_slice($edit->orig, 0, $ntrail);
|
$block[] = &new Text_Diff_Op_copy($context);
| $block[] = new Horde_Text_Diff_Op_Copy($context);
|
}
/* @todo */
$output .= $this->_block($x0, $ntrail + $xi - $x0,
| }
/* @todo */
$output .= $this->_block($x0, $ntrail + $xi - $x0,
|
| Zeile 120 | Zeile 125 |
|---|
$y0 = $yi - count($context);
$block = array();
if ($context) {
|
$y0 = $yi - count($context);
$block = array();
if ($context) {
|
$block[] = &new Text_Diff_Op_copy($context);
| $block[] = new Horde_Text_Diff_Op_Copy($context);
|
}
}
$block[] = $edit;
| }
}
$block[] = $edit;
|
| Zeile 141 | Zeile 146 |
|---|
}
return $output . $this->_endDiff();
|
}
return $output . $this->_endDiff();
|
}
function _block($xbeg, $xlen, $ybeg, $ylen, &$edits)
{
| }
protected function _block($xbeg, $xlen, $ybeg, $ylen, &$edits)
{
|
$output = $this->_startBlock($this->_blockHeader($xbeg, $xlen, $ybeg, $ylen));
foreach ($edits as $edit) {
|
$output = $this->_startBlock($this->_blockHeader($xbeg, $xlen, $ybeg, $ylen));
foreach ($edits as $edit) {
|
switch (strtolower(get_class($edit))) {
case 'text_diff_op_copy':
| switch (get_class($edit)) {
case 'Horde_Text_Diff_Op_Copy':
|
$output .= $this->_context($edit->orig);
|
$output .= $this->_context($edit->orig);
|
break;
| break;
|
|
|
case 'text_diff_op_add':
| case 'Horde_Text_Diff_Op_Add':
|
$output .= $this->_added($edit->final);
|
$output .= $this->_added($edit->final);
|
break;
| break;
|
|
|
case 'text_diff_op_delete':
| case 'Horde_Text_Diff_Op_Delete':
|
$output .= $this->_deleted($edit->orig);
|
$output .= $this->_deleted($edit->orig);
|
break;
| break;
|
|
|
case 'text_diff_op_change':
| case 'Horde_Text_Diff_Op_Change':
|
$output .= $this->_changed($edit->orig, $edit->final);
break;
}
| $output .= $this->_changed($edit->orig, $edit->final);
break;
}
|
| Zeile 170 | Zeile 175 |
|---|
return $output . $this->_endBlock();
}
|
return $output . $this->_endBlock();
}
|
function _startDiff()
{
return '';
}
function _endDiff()
{
return '';
}
function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
| protected function _startDiff()
{
return '';
}
protected function _endDiff()
{
return '';
}
protected function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
|
{
if ($xlen > 1) {
$xbeg .= ',' . ($xbeg + $xlen - 1);
| {
if ($xlen > 1) {
$xbeg .= ',' . ($xbeg + $xlen - 1);
|
| Zeile 195 | Zeile 200 |
|---|
} elseif (!$xlen) {
$xbeg--;
}
|
} elseif (!$xlen) {
$xbeg--;
}
|
|
|
return $xbeg . ($xlen ? ($ylen ? 'c' : 'd') : 'a') . $ybeg;
}
|
return $xbeg . ($xlen ? ($ylen ? 'c' : 'd') : 'a') . $ybeg;
}
|
function _startBlock($header)
| protected function _startBlock($header)
|
{
return $header . "\n";
|
{
return $header . "\n";
|
}
| }
|
|
|
function _endBlock()
| protected function _endBlock()
|
{
return '';
}
|
{
return '';
}
|
function _lines($lines, $prefix = ' ')
{
return $prefix . implode("\n$prefix", $lines) . "\n";
}
function _context($lines)
| protected function _lines($lines, $prefix = ' ')
{
return $prefix . implode("\n$prefix", $lines) . "\n";
}
protected function _context($lines)
|
{
return $this->_lines($lines, ' ');
|
{
return $this->_lines($lines, ' ');
|
}
| }
|
|
|
function _added($lines)
| protected function _added($lines)
|
{
return $this->_lines($lines, '> ');
}
|
{
return $this->_lines($lines, '> ');
}
|
function _deleted($lines)
{
return $this->_lines($lines, '< ');
}
function _changed($orig, $final)
| protected function _deleted($lines)
{
return $this->_lines($lines, '< ');
}
protected function _changed($orig, $final)
|
{
return $this->_deleted($orig) . "---\n" . $this->_added($final);
}
|
{
return $this->_deleted($orig) . "---\n" . $this->_added($final);
}
|
| |
}
| }
|