1 files changed, 250 insertions, 0 deletions
diff --git a/www/wiki/extensions/Translate/tag/TPParse.php b/www/wiki/extensions/Translate/tag/TPParse.php
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+++ b/www/wiki/extensions/Translate/tag/TPParse.php
@@ -0,0 +1,250 @@
+<?php
+/**
+ * Helper code for TranslatablePage.
+ *
+ * @file
+ * @author Niklas Laxström
+ * @copyright Copyright © 2009-2013 Niklas Laxström
+ * @license GPL-2.0-or-later
+ */
+
+/**
+ * This class represents the results of parsed source page, that is, the
+ * extracted sections and a template.
+ *
+ * @ingroup PageTranslation
+ */
+class TPParse {
+	/** @var Title Title of the page. */
+	protected $title;
+
+	/** @var TPSection[] Parsed sections indexed with placeholder.
+	 * @todo Encapsulate
+	 */
+	public $sections = [];
+	/** @var string Page source with content replaced with placeholders.
+	 * @todo Encapsulate
+	 */
+	public $template = null;
+	/**
+	 * @var null|array Sections saved in the database. array( string => TPSection, ... )
+	 */
+	protected $dbSections = null;
+
+	/// Constructor
+	public function __construct( Title $title ) {
+		$this->title = $title;
+	}
+
+	/**
+	 * Returns the number of sections in this page.
+	 * @return int
+	 */
+	public function countSections() {
+		return count( $this->sections );
+	}
+
+	/**
+	 * Returns the page template where translatable content is replaced with
+	 * placeholders.
+	 * @return string
+	 */
+	public function getTemplate() {
+		return $this->template;
+	}
+
+	/**
+	 * Returns the page template where the ugly placeholders are replaced with
+	 * section markers. Sections which previously had no number will get one
+	 * assigned now.
+	 * @return string
+	 */
+	public function getTemplatePretty() {
+		$text = $this->template;
+		$sections = $this->getSectionsForSave();
+		foreach ( $sections as $ph => $s ) {
+			$text = str_replace( $ph, "<!--T:{$s->id}-->", $text );
+		}
+
+		return $text;
+	}
+
+	/**
+	 * Gets the sections and assigns section id for new sections
+	 * @param int $highest The largest used integer id (Since 2012-08-02)
+	 * @return TPSection[] array( string => TPSection, ... )
+	 */
+	public function getSectionsForSave( $highest = 0 ) {
+		$this->loadFromDatabase();
+
+		$sections = $this->sections;
+		foreach ( array_keys( $this->dbSections ) as $key ) {
+			$highest = max( $highest, (int)$key );
+		}
+
+		foreach ( $sections as $_ ) {
+			$highest = max( $highest, (int)$_->id );
+		}
+
+		foreach ( $sections as $s ) {
+			$s->type = 'old';
+
+			if ( $s->id === -1 ) {
+				$s->type = 'new';
+				$s->id = ++$highest;
+			} else {
+				if ( isset( $this->dbSections[$s->id] ) ) {
+					$storedText = $this->dbSections[$s->id]->text;
+					if ( $s->text !== $storedText ) {
+						$s->type = 'changed';
+						$s->oldText = $storedText;
+					}
+				}
+			}
+		}
+
+		return $sections;
+	}
+
+	/**
+	 * Returns list of deleted sections.
+	 * @return TPSection[] List of sections indexed by id. array( string => TPsection, ... )
+	 */
+	public function getDeletedSections() {
+		$sections = $this->getSectionsForSave();
+		$deleted = $this->dbSections;
+
+		foreach ( $sections as $s ) {
+			if ( isset( $deleted[$s->id] ) ) {
+				unset( $deleted[$s->id] );
+			}
+		}
+
+		return $deleted;
+	}
+
+	/**
+	 * Load section saved in the database. Populates dbSections.
+	 */
+	protected function loadFromDatabase() {
+		if ( $this->dbSections !== null ) {
+			return;
+		}
+
+		$this->dbSections = [];
+
+		$db = TranslateUtils::getSafeReadDB();
+		$tables = 'translate_sections';
+		$vars = [ 'trs_key', 'trs_text' ];
+		$conds = [ 'trs_page' => $this->title->getArticleID() ];
+
+		$res = $db->select( $tables, $vars, $conds, __METHOD__ );
+		foreach ( $res as $r ) {
+			$section = new TPSection;
+			$section->id = $r->trs_key;
+			$section->text = $r->trs_text;
+			$section->type = 'db';
+			$this->dbSections[$r->trs_key] = $section;
+		}
+	}
+
+	/**
+	 * Returns the source page with translation section mark-up added.
+	 *
+	 * @return string Wikitext.
+	 */
+	public function getSourcePageText() {
+		$text = $this->template;
+
+		foreach ( $this->sections as $ph => $s ) {
+			$text = str_replace( $ph, $s->getMarkedText(), $text );
+		}
+
+		return $text;
+	}
+
+	/**
+	 * Returns translation page with all possible translations replaced in, ugly
+	 * translation tags removed and outdated translation marked with a class
+	 * mw-translate-fuzzy.
+	 *
+	 * @param MessageCollection $collection Collection that holds translated messages.
+	 * @param bool $showOutdated Whether to show outdated sections, wrapped in a HTML class.
+	 * @return string Whole page as wikitext.
+	 */
+	public function getTranslationPageText( $collection, $showOutdated = false ) {
+		$text = $this->template; // The source
+
+		// For finding the messages
+		$prefix = $this->title->getPrefixedDBkey() . '/';
+
+		if ( $collection instanceof MessageCollection ) {
+			$collection->loadTranslations();
+			if ( $showOutdated ) {
+				$collection->filter( 'hastranslation', false );
+			} else {
+				$collection->filter( 'translated', false );
+			}
+		}
+
+		foreach ( $this->sections as $ph => $s ) {
+			$sectiontext = null;
+
+			if ( isset( $collection[$prefix . $s->id] ) ) {
+				/** @var TMessage $msg */
+				$msg = $collection[$prefix . $s->id];
+				/** @var string|null */
+				$sectiontext = $msg->translation();
+
+				// If translation is fuzzy, $sectiontext must be a string
+				if ( $msg->hasTag( 'fuzzy' ) ) {
+					// We do not ever want to show explicit fuzzy marks in the rendered pages
+					$sectiontext = str_replace( TRANSLATE_FUZZY, '', $sectiontext );
+
+					if ( $s->isInline() ) {
+						$sectiontext = "<span class=\"mw-translate-fuzzy\">$sectiontext</span>";
+					} else {
+						// We add new lines around the text to avoid disturbing any mark-up that
+						// has special handling on line start, such as lists.
+						$sectiontext = "<div class=\"mw-translate-fuzzy\">\n$sectiontext\n</div>";
+					}
+				}
+			}
+
+			// Use the original text if no translation is available.
+
+			// For the source language, this will actually be the source, which
+			// contains variable declarations (tvar) instead of variables ($1).
+			// The getTextWithVariables will convert declarations to normal variables
+			// for us so that the variable substitutions below will also work
+			// for the source language.
+			if ( $sectiontext === null || $sectiontext === $s->getText() ) {
+				$sectiontext = $s->getTextWithVariables();
+			}
+
+			// Substitute variables into section text and substitute text into document
+			$sectiontext = strtr( $sectiontext, $s->getVariables() );
+			$text = str_replace( $ph, $sectiontext, $text );
+		}
+
+		$nph = [];
+		$text = TranslatablePage::armourNowiki( $nph, $text );
+
+		// Remove translation markup from the template to produce final text
+		$cb = [ __CLASS__, 'replaceTagCb' ];
+		$text = preg_replace_callback( '~(<translate>)(.*)(</translate>)~sU', $cb, $text );
+		$text = TranslatablePage::unArmourNowiki( $nph, $text );
+
+		return $text;
+	}
+
+	/**
+	 * Chops of trailing or preceeding whitespace intelligently to avoid
+	 * build up of unintented whitespace.
+	 * @param string[] $matches
+	 * @return string
+	 */
+	protected static function replaceTagCb( $matches ) {
+		return preg_replace( '~^\n|\n\z~', '', $matches[2] );
+	}
+}