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<?php
/**
* A special page for retrieving selected rows of any wiki page that contains
* data in CSV format
*/
class EDGetData extends SpecialPage {
/**
* Constructor
*/
function __construct() {
parent::__construct( 'GetData' );
}
function execute( $query ) {
global $wgRequest, $wgOut;
$wgOut->disable();
$this->setHeaders();
$page_name = $query;
$title = Title::newFromText( $page_name );
if ( is_null( $title ) ) {
return;
}
if ( ! $title->userCan( 'read' ) ) {
return;
}
$wikiPage = WikiPage::factory( $title );
$page_text = ContentHandler::getContentText( $wikiPage->getContent() );
// Remove <noinclude> sections and <includeonly> tags from text
$page_text = StringUtils::delimiterReplace( '<noinclude>', '</noinclude>', '', $page_text );
$page_text = strtr( $page_text, array( '<includeonly>' => '', '</includeonly>' => '' ) );
$orig_lines = explode( "\n", $page_text );
// ignore lines that are either blank or start with a semicolon
$page_lines = array();
foreach ( $orig_lines as $i => $line ) {
if ( $line != '' && $line[0] != ';' ) {
$page_lines[] = $line;
}
}
$headers = EDUtils::getValuesFromCSVLine( $page_lines[0] );
$queried_headers = array();
foreach ( $wgRequest->getValues() as $key => $value ) {
foreach ( $headers as $header_index => $header_value ) {
$header_value = str_replace( ' ', '_', $header_value );
if ( $key == $header_value ) {
$queried_headers[$header_index] = $value;
}
}
}
// include header in output
$text = $page_lines[0];
foreach ( $page_lines as $i => $line ) {
if ( $i == 0 ) continue;
$row_values = EDUtils::getValuesFromCSVLine( $line );
$found_match = true;
foreach ( $queried_headers as $i => $query_value ) {
$single_value = str_replace( ' ', '_', $row_values[$i] );
if ( $single_value != $query_value ) {
$found_match = false;
}
}
if ( $found_match ) {
if ( $text != '' ) $text .= "\n";
$text .= $line;
}
}
print $text;
}
protected function getGroupName() {
return 'pagetools';
}
}
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