function _changed($orig, $closing)
{
$diff = new WordLevelDiff($orig, $closing);
$del = $diff->orig();
$add = $diff->_final();
while ($line = array_shift($del)) {
$aline = array_shift($add);
$this->changedLine($line, $aline);
$this->originalLineNum++;
$this->finalLineNum++;
}
$this->_added($add);
// If any leftovers
}
function _changed($orig, $closing)
{
wfProfileIn(__METHOD__);
$diff = new WordLevelDiff($orig, $closing);
$del = $diff->orig();
$add = $diff->closing();
# Notice that WordLevelDiff returns HTML-escaped output.
# Hence, we will be calling addedLine/deletedLine without HTML-escaping.
while ($line = array_shift($del)) {
$aline = array_shift($add);
echo '<tr>' . $this->deletedLine($line) . $this->addedLine($aline) . "</tr>\n";
}
foreach ($add as $line) {
# If any leftovers
echo '<tr>' . $this->emptyLine() . $this->addedLine($line) . "</tr>\n";
}
wfProfileOut(__METHOD__);
}
/**
* Compares to revisions of the page
*
* @param int $a_left Nr of first revision
* @param int $a_right Nr of second revision
*/
function compareVersion($a_left, $a_right)
{
// get page objects
include_once "./Services/COPage/classes/class.ilPageObjectFactory.php";
$l_page = ilPageObjectFactory::getInstance($this->getParentType(), $this->getId(), $a_left);
$r_page = ilPageObjectFactory::getInstance($this->getParentType(), $this->getId(), $a_right);
$l_hashes = $l_page->getPageContentsHashes();
$r_hashes = $r_page->getPageContentsHashes();
// determine all deleted and changed page elements
foreach ($l_hashes as $pc_id => $h) {
if (!isset($r_hashes[$pc_id])) {
$l_hashes[$pc_id]["change"] = "Deleted";
} else {
if ($l_hashes[$pc_id]["hash"] != $r_hashes[$pc_id]["hash"]) {
$l_hashes[$pc_id]["change"] = "Modified";
$r_hashes[$pc_id]["change"] = "Modified";
include_once "./Services/COPage/mediawikidiff/class.WordLevelDiff.php";
// if modified element is a paragraph, highlight changes
if ($l_hashes[$pc_id]["content"] != "" && $r_hashes[$pc_id]["content"] != "") {
$new_left = str_replace("\n", "<br />", $l_hashes[$pc_id]["content"]);
$new_right = str_replace("\n", "<br />", $r_hashes[$pc_id]["content"]);
$wldiff = new WordLevelDiff(array($new_left), array($new_right));
$new_left = $wldiff->orig();
$new_right = $wldiff->closing();
$l_page->setParagraphContent($l_hashes[$pc_id]["hier_id"], $new_left[0]);
$r_page->setParagraphContent($l_hashes[$pc_id]["hier_id"], $new_right[0]);
}
}
}
}
// determine all new paragraphs
foreach ($r_hashes as $pc_id => $h) {
if (!isset($l_hashes[$pc_id])) {
$r_hashes[$pc_id]["change"] = "New";
}
}
$l_page->addChangeDivClasses($l_hashes);
$r_page->addChangeDivClasses($r_hashes);
return array("l_page" => $l_page, "r_page" => $r_page, "l_changes" => $l_hashes, "r_changes" => $r_hashes);
}
function _changed($orig, $final)
{
$diff = new WordLevelDiff($orig, $final);
$this->_lines($diff->orig(), 'original', '-');
$this->_lines($diff->_final(), 'final', '+');
}
public function _changed($orig, $closing)
{
$diff = new WordLevelDiff($orig, $closing);
$del = $diff->orig();
$add = $diff->closing();
while ($line = array_shift($del)) {
$aline = array_shift($add);
print '<tr>' . $this->deletedLine($line) . $this->addedLine($aline) . "</tr>\n";
}
$this->_added($add);
# If any leftovers
}
function _changed($orig, $final)
{
$diff = new WordLevelDiff($orig, $final);
$div = '<div class="difftext">';
foreach ($diff->orig() as $line) {
$div .= "\n" . '<div class="original"><tt class="prefix">-</tt>' . $line . '</div>';
}
$this->result .= $div . "</div>\n";
$div = '<div class="difftext">';
foreach ($diff->_final() as $line) {
$div .= "\n" . '<div class="final"><tt class="prefix">+</tt>' . $line . '</div>';
}
$this->result .= $div . "</div>\n";
}
function _changed($orig, $closing)
{
$diff = new WordLevelDiff($orig, $closing);
$del = $diff->orig();
$add = $diff->closing();
// Notice that WordLevelDiff returns HTML-escaped output.
// Hence, we will be calling addedLine/deletedLine without HTML-escaping.
while ($line = array_shift($del)) {
$aline = array_shift($add);
$this->rows[] = array_merge($this->deletedLine($line), isset($aline) ? $this->addedLine($aline) : $this->emptyLine());
}
foreach ($add as $line) {
// If any leftovers
$this->rows[] = array_merge($this->emptyLine(), $this->addedLine($line));
}
}
/**
* Writes the two sets of lines to the output buffer, each enclosed in <tr>.
*
* @param string[] $orig
* @param string[] $closing
*/
protected function changed($orig, $closing)
{
$diff = new WordLevelDiff($orig, $closing);
$del = $diff->orig();
$add = $diff->closing();
# Notice that WordLevelDiff returns HTML-escaped output.
# Hence, we will be calling addedLine/deletedLine without HTML-escaping.
$ndel = count($del);
$nadd = count($add);
$n = max($ndel, $nadd);
for ($i = 0; $i < $n; $i++) {
$delLine = $i < $ndel ? $this->deletedLine($del[$i]) : $this->emptyLine();
$addLine = $i < $nadd ? $this->addedLine($add[$i]) : $this->emptyLine();
$this->writeOutput("<tr>{$delLine}{$addLine}</tr>\n");
}
}
function _changed($orig, $closing)
{
$diff = new WordLevelDiff($orig, $closing);
$del = $diff->orig();
$add = $diff->_final();
while ($line = array_shift($del)) {
$aline = array_shift($add);
if ($this->type == 'sidebyside') {
print '<tbody class="mod"><tr>' . $this->deletedLine($line, 'l') . $this->addedLine($aline, 'r') . "</tr></tbody>\n";
} else {
print '<tbody class="mod"><tr>' . $this->deletedLine($line, 'l') . "</tr></tbody>\n";
}
}
$this->_added($add);
// If any leftovers
}
/**
* Writes the two sets of lines to the output buffer, each enclosed in <tr>.
*
* @param string[] $orig
* @param string[] $closing
*/
protected function changed($orig, $closing)
{
$diff = new WordLevelDiff($orig, $closing);
$del = $diff->orig();
$add = $diff->closing();
# Notice that WordLevelDiff returns HTML-escaped output.
# Hence, we will be calling addedLine/deletedLine without HTML-escaping.
$line = array_shift($del);
while ($line) {
$aline = array_shift($add);
$this->writeOutput('<tr>' . $this->deletedLine($line) . $this->addedLine($aline) . "</tr>\n");
$line = array_shift($del);
}
foreach ($add as $line) {
# If any leftovers
$this->writeOutput('<tr>' . $this->emptyLine() . $this->addedLine($line) . "</tr>\n");
}
}
function smart_diff($diff)
{
global $DBInfo;
include_once "lib/difflib.php";
$diff = str_replace("<", "<", $diff);
$lines = explode("\n", $diff);
#unset($lines[0]); unset($lines[1]);
#print "<pre>";
#print_r( $lines);
#print "</pre>";
$tags = array("", "", "", "");
$news = array();
$dels = array();
$omarker = 0;
$orig = array();
$new = array();
foreach ($lines as $line) {
$marker = $line[0];
$line = substr($line, 1);
if ($marker == '@' and preg_match('/^@\\s\\-(\\d+)(?:,\\d+)?\\s\\+(\\d+)(?:,\\d+)?\\s@@/', $line, $mat)) {
$lp = $mat[2];
$lm = $mat[1];
} else {
if ($marker == '-') {
$omarker = 1;
$orig[] = $line;
continue;
} else {
if ($marker == '+') {
$omarker = 2;
$new[] = $line;
continue;
} else {
if ($marker == "\\") {
continue;
} else {
if ($omarker) {
$count = sizeof($new);
$ocount = sizeof($orig);
$omarker = 0;
$buf = '';
$result = new WordLevelDiff($orig, $new, $DBInfo->charset);
# rearrange output.
foreach ($result->all($tags) as $ll) {
$buf .= $ll . "\n";
}
$buf = substr($buf, 0, -1);
// drop last added "\n"
$orig = array();
$new = array();
if ($count != 0) {
$news[$lp - 1] = $buf;
for ($i = 0; $i < $count - 1; $i++) {
$news[$lp + $i] = null;
}
#for ($i=$count-1;$i>0;$i--) $news[$lp+$i-1]=null;
} else {
if ($ocount != 0) {
$dels[$lp - 1] = $buf;
for ($i = 0; $i < $ocount - 1; $i++) {
$dels[$lp + $i] = null;
}
}
}
if ($marker == ' ') {
$lp += $count + 1;
$lm += $ocount + 1;
}
} else {
if ($marker == ' ' and !$omarker) {
$lp++;
$lm++;
}
}
}
}
}
}
}
#print "<pre style='color:black;background-color:#93FF93'>";
#print_r($news);
#print "</pre>";
#print "<pre style='color:black;background-color:#FF9797'>";
#print_r($dels);
#print "</pre>";
return array($news, $dels);
}