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<?php
require_once 'phing/Task.php';
/**
* A XML lint task. Checking syntax of one or more XML source file against an XML Schema using the DOM extension.
*
* @author Knut Urdalen <knut.urdalen@gmail.com>
* @package phing.tasks.ext
*/
class XmlLintTask extends Task {
protected $file; // the source file (from xml attribute)
protected $schema; // the schema file (from xml attribute)
protected $filesets = array(); // all fileset objects assigned to this task
/**
* File to be performed syntax check on
* @param PhingFile $file
*/
public function setFile(PhingFile $file) {
$this->file = $file;
}
public function setSchema(PhingFile $schema) {
$this->schema = $schema;
}
/**
* Nested creator, creates a FileSet for this task
*
* @return FileSet The created fileset object
*/
function createFileSet() {
$num = array_push($this->filesets, new FileSet());
return $this->filesets[$num-1];
}
/**
* Execute lint check against PhingFile or a FileSet
*/
public function main() {
if(!isset($this->schema)) {
throw new BuildException("Missing attribute 'schema'");
}
$schema = $this->schema->getPath();
if(!file_exists($schema)) {
throw new BuildException("File not found: ".$schema);
}
if(!isset($this->file) and count($this->filesets) == 0) {
throw new BuildException("Missing either a nested fileset or attribute 'file' set");
}
set_error_handler(array($this, 'errorHandler'));
if($this->file instanceof PhingFile) {
$this->lint($this->file->getPath());
} else { // process filesets
$project = $this->getProject();
foreach($this->filesets as $fs) {
$ds = $fs->getDirectoryScanner($project);
$files = $ds->getIncludedFiles();
$dir = $fs->getDir($this->project)->getPath();
foreach($files as $file) {
$this->lint($dir.DIRECTORY_SEPARATOR.$file);
}
}
}
restore_error_handler();
}
/**
* Performs validation
*
* @param string $file
* @return void
*/
protected function lint($file) {
if(file_exists($file)) {
if(is_readable($file)) {
$dom = new DOMDocument();
$dom->load($file);
if($dom->schemaValidate($this->schema->getPath())) {
$this->log($file.' validated', PROJECT_MSG_INFO);
} else {
$this->log($file.' fails to validate (See messages above)', PROJECT_MSG_ERR);
}
} else {
throw new BuildException('Permission denied: '.$file);
}
} else {
throw new BuildException('File not found: '.$file);
}
}
public function errorHandler($level, $message, $file, $line, $context) {
$matches = array();
preg_match('/^.*\(\): (.*)$/', $message, $matches);
$this->log($matches[1], PROJECT_MSG_ERR);
}
}
?>
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