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DifferentialChangesetRenderer.php
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			<?php

			abstract class DifferentialChangesetRenderer extends Phobject {

			private $user;
			private $changeset;
			private $renderingReference;
			private $renderPropertyChangeHeader;
			private $isTopLevel;
			private $isUndershield;
			private $hunkStartLines;
			private $oldLines;
			private $newLines;
			private $oldComments;
			private $newComments;
			private $oldChangesetID;
			private $newChangesetID;
			private $oldAttachesToNewFile;
			private $newAttachesToNewFile;
			private $highlightOld = array();
			private $highlightNew = array();
			private $codeCoverage;
			private $handles;
			private $markupEngine;
			private $oldRender;
			private $newRender;
			private $originalOld;
			private $originalNew;
			private $gaps;
			private $mask;
			private $depths;
			private $originalCharacterEncoding;
			private $showEditAndReplyLinks;
			private $canMarkDone;
			private $objectOwnerPHID;
			private $highlightingDisabled;

			private $oldFile = false;
			private $newFile = false;

			abstract public function getRendererKey();

			public function setShowEditAndReplyLinks($bool) {
			$this->showEditAndReplyLinks = $bool;
			return $this;
			}

			public function getShowEditAndReplyLinks() {
			return $this->showEditAndReplyLinks;
			}

			public function setHighlightingDisabled($highlighting_disabled) {
			$this->highlightingDisabled = $highlighting_disabled;
			return $this;
			}

			public function getHighlightingDisabled() {
			return $this->highlightingDisabled;
			}

			public function setOriginalCharacterEncoding($original_character_encoding) {
			$this->originalCharacterEncoding = $original_character_encoding;
			return $this;
			}

			public function getOriginalCharacterEncoding() {
			return $this->originalCharacterEncoding;
			}

			public function setIsUndershield($is_undershield) {
			$this->isUndershield = $is_undershield;
			return $this;
			}

			public function getIsUndershield() {
			return $this->isUndershield;
			}

			public function setDepths($depths) {
			$this->depths = $depths;
			return $this;
			}
			protected function getDepths() {
			return $this->depths;
			}

			public function setMask($mask) {
			$this->mask = $mask;
			return $this;
			}
			protected function getMask() {
			return $this->mask;
			}

			public function setGaps($gaps) {
			$this->gaps = $gaps;
			return $this;
			}
			protected function getGaps() {
			return $this->gaps;
			}

			public function attachOldFile(PhabricatorFile $old = null) {
			$this->oldFile = $old;
			return $this;
			}

			public function getOldFile() {
			if ($this->oldFile === false) {
			throw new PhabricatorDataNotAttachedException($this);
			}
			return $this->oldFile;
			}

			public function hasOldFile() {
			return (bool)$this->oldFile;
			}

			public function attachNewFile(PhabricatorFile $new = null) {
			$this->newFile = $new;
			return $this;
			}

			public function getNewFile() {
			if ($this->newFile === false) {
			throw new PhabricatorDataNotAttachedException($this);
			}
			return $this->newFile;
			}

			public function hasNewFile() {
			return (bool)$this->newFile;
			}

			public function setOriginalNew($original_new) {
			$this->originalNew = $original_new;
			return $this;
			}
			protected function getOriginalNew() {
			return $this->originalNew;
			}

			public function setOriginalOld($original_old) {
			$this->originalOld = $original_old;
			return $this;
			}
			protected function getOriginalOld() {
			return $this->originalOld;
			}

			public function setNewRender($new_render) {
			$this->newRender = $new_render;
			return $this;
			}
			protected function getNewRender() {
			return $this->newRender;
			}

			public function setOldRender($old_render) {
			$this->oldRender = $old_render;
			return $this;
			}
			protected function getOldRender() {
			return $this->oldRender;
			}

			public function setMarkupEngine(PhabricatorMarkupEngine $markup_engine) {
			$this->markupEngine = $markup_engine;
			return $this;
			}
			public function getMarkupEngine() {
			return $this->markupEngine;
			}

			public function setHandles(array $handles) {
			assert_instances_of($handles, 'PhabricatorObjectHandle');
			$this->handles = $handles;
			return $this;
			}
			protected function getHandles() {
			return $this->handles;
			}

			public function setCodeCoverage($code_coverage) {
			$this->codeCoverage = $code_coverage;
			return $this;
			}
			protected function getCodeCoverage() {
			return $this->codeCoverage;
			}

			public function setHighlightNew($highlight_new) {
			$this->highlightNew = $highlight_new;
			return $this;
			}
			protected function getHighlightNew() {
			return $this->highlightNew;
			}

			public function setHighlightOld($highlight_old) {
			$this->highlightOld = $highlight_old;
			return $this;
			}
			protected function getHighlightOld() {
			return $this->highlightOld;
			}

			public function setNewAttachesToNewFile($attaches) {
			$this->newAttachesToNewFile = $attaches;
			return $this;
			}
			protected function getNewAttachesToNewFile() {
			return $this->newAttachesToNewFile;
			}

			public function setOldAttachesToNewFile($attaches) {
			$this->oldAttachesToNewFile = $attaches;
			return $this;
			}
			protected function getOldAttachesToNewFile() {
			return $this->oldAttachesToNewFile;
			}

			public function setNewChangesetID($new_changeset_id) {
			$this->newChangesetID = $new_changeset_id;
			return $this;
			}
			protected function getNewChangesetID() {
			return $this->newChangesetID;
			}

			public function setOldChangesetID($old_changeset_id) {
			$this->oldChangesetID = $old_changeset_id;
			return $this;
			}
			protected function getOldChangesetID() {
			return $this->oldChangesetID;
			}

			public function setNewComments(array $new_comments) {
			foreach ($new_comments as $line_number => $comments) {
			assert_instances_of($comments, 'PhabricatorInlineCommentInterface');
			}
			$this->newComments = $new_comments;
			return $this;
			}
			protected function getNewComments() {
			return $this->newComments;
			}

			public function setOldComments(array $old_comments) {
			foreach ($old_comments as $line_number => $comments) {
			assert_instances_of($comments, 'PhabricatorInlineCommentInterface');
			}
			$this->oldComments = $old_comments;
			return $this;
			}
			protected function getOldComments() {
			return $this->oldComments;
			}

			public function setNewLines(array $new_lines) {
			$this->newLines = $new_lines;
			return $this;
			}
			protected function getNewLines() {
			return $this->newLines;
			}

			public function setOldLines(array $old_lines) {
			$this->oldLines = $old_lines;
			return $this;
			}
			protected function getOldLines() {
			return $this->oldLines;
			}

			public function setHunkStartLines(array $hunk_start_lines) {
			$this->hunkStartLines = $hunk_start_lines;
			return $this;
			}

			protected function getHunkStartLines() {
			return $this->hunkStartLines;
			}

			public function setUser(PhabricatorUser $user) {
			$this->user = $user;
			return $this;
			}
			protected function getUser() {
			return $this->user;
			}

			public function setChangeset(DifferentialChangeset $changeset) {
			$this->changeset = $changeset;
			return $this;
			}
			protected function getChangeset() {
			return $this->changeset;
			}

			public function setRenderingReference($rendering_reference) {
			$this->renderingReference = $rendering_reference;
			return $this;
			}
			protected function getRenderingReference() {
			return $this->renderingReference;
			}

			public function setRenderPropertyChangeHeader($should_render) {
			$this->renderPropertyChangeHeader = $should_render;
			return $this;
			}

			private function shouldRenderPropertyChangeHeader() {
			return $this->renderPropertyChangeHeader;
			}

			public function setIsTopLevel($is) {
			$this->isTopLevel = $is;
			return $this;
			}

			private function getIsTopLevel() {
			return $this->isTopLevel;
			}

			public function setCanMarkDone($can_mark_done) {
			$this->canMarkDone = $can_mark_done;
			return $this;
			}

			public function getCanMarkDone() {
			return $this->canMarkDone;
			}

			public function setObjectOwnerPHID($phid) {
			$this->objectOwnerPHID = $phid;
			return $this;
			}

			public function getObjectOwnerPHID() {
			return $this->objectOwnerPHID;
			}

			final public function renderChangesetTable($content) {
			$props = null;
			if ($this->shouldRenderPropertyChangeHeader()) {
			$props = $this->renderPropertyChangeHeader();
			}

			$notice = null;
			if ($this->getIsTopLevel()) {
			$force = (!$content && !$props);
			$notice = $this->renderChangeTypeHeader($force);
			}

			$undershield = null;
			if ($this->getIsUndershield()) {
			$undershield = $this->renderUndershieldHeader();
			}

			$result = $notice.$props.$undershield.$content;

			// TODO: Let the user customize their tab width / display style.
			// TODO: We should possibly post-process "\r" as well.
			// TODO: Both these steps should happen earlier.
			$result = str_replace("\t", ' ', $result);

			return phutil_safe_html($result);
			}

			abstract public function isOneUpRenderer();
			abstract public function renderTextChange(
			$range_start,
			$range_len,
			$rows);
			abstract public function renderFileChange(
			$old = null,
			$new = null,
			$id = 0,
			$vs = 0);

			abstract protected function renderChangeTypeHeader($force);
			abstract protected function renderUndershieldHeader();

			protected function didRenderChangesetTableContents($contents) {
			return $contents;
			}

			/**
			* Render a "shield" over the diff, with a message like "This file is
			* generated and does not need to be reviewed." or "This file was completely
			* deleted." This UI element hides unimportant text so the reviewer doesn't
			* need to scroll past it.
			*
			* The shield includes a link to view the underlying content. This link
			* may force certain rendering modes when the link is clicked:
			*
			* - `"default"`: Render the diff normally, as though it was not
			* shielded. This is the default and appropriate if the underlying
			* diff is a normal change, but was hidden for reasons of not being
			* important (e.g., generated code).
			* - `"text"`: Force the text to be shown. This is probably only relevant
			* when a file is not changed.
			* - `"whitespace"`: Force the text to be shown, and the diff to be
			* rendered with all whitespace shown. This is probably only relevant
			* when a file is changed only by altering whitespace.
			* - `"none"`: Don't show the link (e.g., text not available).
			*
			* @param string Message explaining why the diff is hidden.
			* @param string\|null Force mode, see above.
			* @return string Shield markup.
			*/
			abstract public function renderShield($message, $force = 'default');

			abstract protected function renderPropertyChangeHeader();

			protected function buildPrimitives($range_start, $range_len) {
			$primitives = array();

			$hunk_starts = $this->getHunkStartLines();

			$mask = $this->getMask();
			$gaps = $this->getGaps();

			$old = $this->getOldLines();
			$new = $this->getNewLines();
			$old_render = $this->getOldRender();
			$new_render = $this->getNewRender();
			$old_comments = $this->getOldComments();
			$new_comments = $this->getNewComments();

			$size = count($old);
			for ($ii = $range_start; $ii < $range_start + $range_len; $ii++) {
			if (empty($mask[$ii])) {
			list($top, $len) = array_pop($gaps);
			$primitives[] = array(
			'type' => 'context',
			'top' => $top,
			'len' => $len,
			);

			$ii += ($len - 1);
			continue;
			}

			$ospec = array(
			'type' => 'old',
			'htype' => null,
			'cursor' => $ii,
			'line' => null,
			'oline' => null,
			'render' => null,
			);

			$nspec = array(
			'type' => 'new',
			'htype' => null,
			'cursor' => $ii,
			'line' => null,
			'oline' => null,
			'render' => null,
			'copy' => null,
			'coverage' => null,
			);

			if (isset($old[$ii])) {
			$ospec['line'] = (int)$old[$ii]['line'];
			$nspec['oline'] = (int)$old[$ii]['line'];
			$ospec['htype'] = $old[$ii]['type'];
			if (isset($old_render[$ii])) {
			$ospec['render'] = $old_render[$ii];
			}
			}

			if (isset($new[$ii])) {
			$nspec['line'] = (int)$new[$ii]['line'];
			$ospec['oline'] = (int)$new[$ii]['line'];
			$nspec['htype'] = $new[$ii]['type'];
			if (isset($new_render[$ii])) {
			$nspec['render'] = $new_render[$ii];
			}
			}

			if (isset($hunk_starts[$ospec['line']])) {
			$primitives[] = array(
			'type' => 'no-context',
			);
			}

			$primitives[] = $ospec;
			$primitives[] = $nspec;

			if ($ospec['line'] !== null && isset($old_comments[$ospec['line']])) {
			foreach ($old_comments[$ospec['line']] as $comment) {
			$primitives[] = array(
			'type' => 'inline',
			'comment' => $comment,
			'right' => false,
			);
			}
			}

			if ($nspec['line'] !== null && isset($new_comments[$nspec['line']])) {
			foreach ($new_comments[$nspec['line']] as $comment) {
			$primitives[] = array(
			'type' => 'inline',
			'comment' => $comment,
			'right' => true,
			);
			}
			}

			if ($hunk_starts && ($ii == $size - 1)) {
			$primitives[] = array(
			'type' => 'no-context',
			);
			}
			}

			if ($this->isOneUpRenderer()) {
			$primitives = $this->processPrimitivesForOneUp($primitives);
			}

			return $primitives;
			}

			private function processPrimitivesForOneUp(array $primitives) {
			// Primitives come out of buildPrimitives() in two-up format, because it
			// is the most general, flexible format. To put them into one-up format,
			// we need to filter and reorder them. In particular:
			//
			// - We discard unchanged lines in the old file; in one-up format, we
			// render them only once.
			// - We group contiguous blocks of old-modified and new-modified lines, so
			// they render in "block of old, block of new" order instead of
			// alternating old and new lines.

			$out = array();

			$old_buf = array();
			$new_buf = array();
			foreach ($primitives as $primitive) {
			$type = $primitive['type'];

			if ($type == 'old') {
			if (!$primitive['htype']) {
			// This is a line which appears in both the old file and the new
			// file, or the spacer corresponding to a line added in the new file.
			// Ignore it when rendering a one-up diff.
			continue;
			}
			$old_buf[] = $primitive;
			} else if ($type == 'new') {
			if ($primitive['line'] === null) {
			// This is an empty spacer corresponding to a line removed from the
			// old file. Ignore it when rendering a one-up diff.
			continue;
			}
			if (!$primitive['htype']) {
			// If this line is the same in both versions of the file, put it in
			// the old line buffer. This makes sure inlines on old, unchanged
			// lines end up in the right place.

			// First, we need to flush the line buffers if they're not empty.
			if ($old_buf) {
			$out[] = $old_buf;
			$old_buf = array();
			}
			if ($new_buf) {
			$out[] = $new_buf;
			$new_buf = array();
			}
			$old_buf[] = $primitive;
			} else {
			$new_buf[] = $primitive;
			}
			} else if ($type == 'context' \|\| $type == 'no-context') {
			$out[] = $old_buf;
			$out[] = $new_buf;
			$old_buf = array();
			$new_buf = array();
			$out[] = array($primitive);
			} else if ($type == 'inline') {

			// If this inline is on the left side, put it after the old lines.
			if (!$primitive['right']) {
			$out[] = $old_buf;
			$out[] = array($primitive);
			$old_buf = array();
			} else {
			$out[] = $old_buf;
			$out[] = $new_buf;
			$out[] = array($primitive);
			$old_buf = array();
			$new_buf = array();
			}

			} else {
			throw new Exception(pht("Unknown primitive type '%s'!", $primitive));
			}
			}

			$out[] = $old_buf;
			$out[] = $new_buf;
			$out = array_mergev($out);

			return $out;
			}

			protected function getChangesetProperties($changeset) {
			$old = $changeset->getOldProperties();
			$new = $changeset->getNewProperties();

			// When adding files, don't show the uninteresting 644 filemode change.
			if ($changeset->getChangeType() == DifferentialChangeType::TYPE_ADD &&
			$new == array('unix:filemode' => '100644')) {
			unset($new['unix:filemode']);
			}

			// Likewise when removing files.
			if ($changeset->getChangeType() == DifferentialChangeType::TYPE_DELETE &&
			$old == array('unix:filemode' => '100644')) {
			unset($old['unix:filemode']);
			}

			$metadata = $changeset->getMetadata();

			if ($this->hasOldFile()) {
			$file = $this->getOldFile();
			if ($file->getImageWidth()) {
			$dimensions = $file->getImageWidth().'x'.$file->getImageHeight();
			$old['file:dimensions'] = $dimensions;
			}
			$old['file:mimetype'] = $file->getMimeType();
			$old['file:size'] = phutil_format_bytes($file->getByteSize());
			} else {
			$old['file:mimetype'] = idx($metadata, 'old:file:mime-type');
			$size = idx($metadata, 'old:file:size');
			if ($size !== null) {
			$old['file:size'] = phutil_format_bytes($size);
			}
			}

			if ($this->hasNewFile()) {
			$file = $this->getNewFile();
			if ($file->getImageWidth()) {
			$dimensions = $file->getImageWidth().'x'.$file->getImageHeight();
			$new['file:dimensions'] = $dimensions;
			}
			$new['file:mimetype'] = $file->getMimeType();
			$new['file:size'] = phutil_format_bytes($file->getByteSize());
			} else {
			$new['file:mimetype'] = idx($metadata, 'new:file:mime-type');
			$size = idx($metadata, 'new:file:size');
			if ($size !== null) {
			$new['file:size'] = phutil_format_bytes($size);
			}
			}

			return array($old, $new);
			}

			public function renderUndoTemplates() {
			$views = array(
			'l' => id(new PHUIDiffInlineCommentUndoView())->setIsOnRight(false),
			'r' => id(new PHUIDiffInlineCommentUndoView())->setIsOnRight(true),
			);

			foreach ($views as $key => $view) {
			$scaffold = $this->getRowScaffoldForInline($view);
			$views[$key] = id(new PHUIDiffInlineCommentTableScaffold())
			->addRowScaffold($scaffold);
			}

			return $views;
			}

			}

phab/src/applications/differential/render/DifferentialChangesetRenderer.php0378094d414bfeature/testing

DifferentialChangesetRenderer.phpView Options

phab/src/applications/differential/render/DifferentialChangesetRenderer.php
0378094d414bfeature/testing

DifferentialChangesetRenderer.php
View Options