This class renders the diff in classic "unified diff" format.
Copyright 2004-2016 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.
/**
* Generates a diff of the contributed code to the original
*
* @param string $parentCode
* @param string $currentCode
*
* @return string
*/
public function generateDiff($parentCode, $currentCode)
{
$diff = new \Horde_Text_Diff('auto', array(explode(PHP_EOL, $parentCode), explode(PHP_EOL, $currentCode)));
$renderer = new \Horde_Text_Diff_Renderer_Unified();
return $renderer->render($diff);
}
/**
* Update the package.xml file for this component.
*
* @param string $action The action to perform. Either "update", "diff",
* or "print".
* @param array $options Options for this operation.
*
* @return NULL
*/
public function updatePackageXml($action, $options)
{
if (!file_exists($this->getPackageXmlPath())) {
$this->getFactory()->createPackageFile($this->_directory);
}
$package_xml = $this->getPackageXml();
/* Skip updating if this is a PECL package. */
if (!$package_xml->findNode('/p:package/p:providesextension')) {
$package_xml->updateContents($this->getFactory()->createContentList($this->_directory), $options);
}
switch ($action) {
case 'print':
return (string) $package_xml;
case 'diff':
$new = (string) $package_xml;
$old = file_get_contents($this->getPackageXmlPath());
$renderer = new Horde_Text_Diff_Renderer_Unified();
return $renderer->render(new Horde_Text_Diff('auto', array(explode("\n", $old), explode("\n", $new))));
default:
file_put_contents($this->getPackageXmlPath(), (string) $package_xml);
if (!empty($options['commit'])) {
$options['commit']->add($this->getPackageXmlPath(), $this->_directory);
}
return true;
}
}
public function testPearBug6251()
{
/* too much trailing context */
$oldtext = <<<EOT
Original Text
ss
ttt
EOT;
$newtext = <<<EOT
Modified Text
ss
ttt
EOT;
$patch = "@@ -1,5 +1,5 @@\n \n-Original Text\n+Modified Text\n \n \n \n";
$test = array(explode("\n", $oldtext), explode("\n", $newtext));
$diff = new Horde_Text_Diff('Native', $test);
$renderer = new Horde_Text_Diff_Renderer_Unified(array('leading_context_lines' => 3, 'trailing_context_lines' => 3));
$this->assertEquals($patch, $renderer->render($diff));
}
