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DifferentialChangesetTwoUpRenderer.php
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Created
Tue, Jun 4, 08:20

DifferentialChangesetTwoUpRenderer.php
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<?php
final class DifferentialChangesetTwoUpRenderer
extends DifferentialChangesetHTMLRenderer {
public function isOneUpRenderer() {
return false;
}
public function renderTextChange(
$range_start,
$range_len,
$rows) {
$hunk_starts = $this->getHunkStartLines();
$context_not_available = null;
if ($hunk_starts) {
$context_not_available = javelin_tag(
'tr',
array(
'sigil' => 'context-target',
),
phutil_tag(
'td',
array(
'colspan' => 6,
'class' => 'show-more'
),
pht('Context not available.')));
}
$html = array();
$old_lines = $this->getOldLines();
$new_lines = $this->getNewLines();
$gaps = $this->getGaps();
$reference = $this->getRenderingReference();
$left_id = $this->getOldChangesetID();
$right_id = $this->getNewChangesetID();
// "N" stands for 'new' and means the comment should attach to the new file
// when stored, i.e. DifferentialInlineComment->setIsNewFile().
// "O" stands for 'old' and means the comment should attach to the old file.
$left_char = $this->getOldAttachesToNewFile()
? 'N'
: 'O';
$right_char = $this->getNewAttachesToNewFile()
? 'N'
: 'O';
$changeset = $this->getChangeset();
$copy_lines = idx($changeset->getMetadata(), 'copy:lines', array());
$highlight_old = $this->getHighlightOld();
$highlight_new = $this->getHighlightNew();
$old_render = $this->getOldRender();
$new_render = $this->getNewRender();
$original_left = $this->getOriginalOld();
$original_right = $this->getOriginalNew();
$depths = $this->getDepths();
$mask = $this->getMask();
for ($ii = $range_start; $ii < $range_start + $range_len; $ii++) {
if (empty($mask[$ii])) {
// If we aren't going to show this line, we've just entered a gap.
// Pop information about the next gap off the $gaps stack and render
// an appropriate "Show more context" element. This branch eventually
// increments $ii by the entire size of the gap and then continues
// the loop.
$gap = array_pop($gaps);
$top = $gap[0];
$len = $gap[1];
$end = $top + $len - 20;
$contents = array();
if ($len > 40) {
$is_first_block = false;
if ($ii == 0) {
$is_first_block = true;
}
$contents[] = javelin_tag(
'a',
array(
'href' => '#',
'mustcapture' => true,
'sigil' => 'show-more',
'meta' => array(
'ref' => $reference,
'range' => "{$top}-{$len}/{$top}-20",
),
),
$is_first_block
? pht('Show First 20 Lines')
: pht("\xE2\x96\xB2 Show 20 Lines"));
}
$contents[] = javelin_tag(
'a',
array(
'href' => '#',
'mustcapture' => true,
'sigil' => 'show-more',
'meta' => array(
'type' => 'all',
'ref' => $reference,
'range' => "{$top}-{$len}/{$top}-{$len}",
),
),
pht('Show All %d Lines', $len));
$is_last_block = false;
if ($ii + $len >= $rows) {
$is_last_block = true;
}
if ($len > 40) {
$contents[] = javelin_tag(
'a',
array(
'href' => '#',
'mustcapture' => true,
'sigil' => 'show-more',
'meta' => array(
'ref' => $reference,
'range' => "{$top}-{$len}/{$end}-20",
),
),
$is_last_block
? pht('Show Last 20 Lines')
: pht("\xE2\x96\xBC Show 20 Lines"));
}
$context = null;
$context_line = null;
if (!$is_last_block && $depths[$ii + $len]) {
for ($l = $ii + $len - 1; $l >= $ii; $l--) {
$line = $new_lines[$l]['text'];
if ($depths[$l] < $depths[$ii + $len] && trim($line) != '') {
$context = $new_render[$l];
$context_line = $new_lines[$l]['line'];
break;
}
}
}
$container = javelin_tag(
'tr',
array(
'sigil' => 'context-target',
),
array(
phutil_tag(
'td',
array(
'colspan' => 2,
'class' => 'show-more',
),
phutil_implode_html(
" \xE2\x80\xA2 ", // Bullet
$contents)),
phutil_tag(
'th',
array(
'class' => 'show-context-line',
),
$context_line ? (int)$context_line : null),
phutil_tag(
'td',
array(
'colspan' => 3,
'class' => 'show-context',
),
// TODO: [HTML] Escaping model here isn't ideal.
phutil_safe_html($context)),
));
$html[] = $container;
$ii += ($len - 1);
continue;
}
$o_num = null;
$o_classes = '';
$o_text = null;
if (isset($old_lines[$ii])) {
$o_num = $old_lines[$ii]['line'];
$o_text = isset($old_render[$ii]) ? $old_render[$ii] : null;
if ($old_lines[$ii]['type']) {
if ($old_lines[$ii]['type'] == '\\') {
$o_text = $old_lines[$ii]['text'];
$o_class = 'comment';
} else if ($original_left && !isset($highlight_old[$o_num])) {
$o_class = 'old-rebase';
} else if (empty($new_lines[$ii])) {
$o_class = 'old old-full';
} else {
$o_class = 'old';
}
$o_classes = $o_class;
}
}
$n_copy = hsprintf('<td class="copy" />');
$n_cov = null;
$n_colspan = 2;
$n_classes = '';
$n_num = null;
$n_text = null;
if (isset($new_lines[$ii])) {
$n_num = $new_lines[$ii]['line'];
$n_text = isset($new_render[$ii]) ? $new_render[$ii] : null;
$coverage = $this->getCodeCoverage();
if ($coverage !== null) {
if (empty($coverage[$n_num - 1])) {
$cov_class = 'N';
} else {
$cov_class = $coverage[$n_num - 1];
}
$cov_class = 'cov-'.$cov_class;
$n_cov = phutil_tag('td', array('class' => "cov {$cov_class}"));
$n_colspan--;
}
if ($new_lines[$ii]['type']) {
if ($new_lines[$ii]['type'] == '\\') {
$n_text = $new_lines[$ii]['text'];
$n_class = 'comment';
} else if ($original_right && !isset($highlight_new[$n_num])) {
$n_class = 'new-rebase';
} else if (empty($old_lines[$ii])) {
$n_class = 'new new-full';
} else {
$n_class = 'new';
}
$n_classes = $n_class;
if ($new_lines[$ii]['type'] == '\\' || !isset($copy_lines[$n_num])) {
$n_copy = phutil_tag('td', array('class' => "copy {$n_class}"));
} else {
list($orig_file, $orig_line, $orig_type) = $copy_lines[$n_num];
$title = ($orig_type == '-' ? 'Moved' : 'Copied').' from ';
if ($orig_file == '') {
$title .= "line {$orig_line}";
} else {
$title .=
basename($orig_file).
":{$orig_line} in dir ".
dirname('/'.$orig_file);
}
$class = ($orig_type == '-' ? 'new-move' : 'new-copy');
$n_copy = javelin_tag(
'td',
array(
'meta' => array(
'msg' => $title,
),
'class' => 'copy '.$class,
),
'');
}
}
}
if (isset($hunk_starts[$o_num])) {
$html[] = $context_not_available;
}
if ($o_num && $left_id) {
$o_id = 'C'.$left_id.$left_char.'L'.$o_num;
} else {
$o_id = null;
}
if ($n_num && $right_id) {
$n_id = 'C'.$right_id.$right_char.'L'.$n_num;
} else {
$n_id = null;
}
// NOTE: This is a unicode zero-width space, which we use as a hint when
// intercepting 'copy' events to make sure sensible text ends up on the
// clipboard. See the 'phabricator-oncopy' behavior.
$zero_space = "\xE2\x80\x8B";
// NOTE: The Javascript is sensitive to whitespace changes in this
// block!
$html[] = phutil_tag('tr', array(), array(
phutil_tag('th', array('id' => $o_id), $o_num),
phutil_tag('td', array('class' => $o_classes), $o_text),
phutil_tag('th', array('id' => $n_id), $n_num),
$n_copy,
phutil_tag(
'td',
array('class' => $n_classes, 'colspan' => $n_colspan),
array(
phutil_tag('span', array('class' => 'zwsp'), $zero_space),
$n_text
)),
$n_cov,
));
if ($context_not_available && ($ii == $rows - 1)) {
$html[] = $context_not_available;
}
$old_comments = $this->getOldComments();
$new_comments = $this->getNewComments();
if ($o_num && isset($old_comments[$o_num])) {
foreach ($old_comments[$o_num] as $comment) {
$comment_html = $this->renderInlineComment($comment,
$on_right = false);
$new = '';
if ($n_num && isset($new_comments[$n_num])) {
foreach ($new_comments[$n_num] as $key => $new_comment) {
if ($comment->isCompatible($new_comment)) {
$new = $this->renderInlineComment($new_comment,
$on_right = true);
unset($new_comments[$n_num][$key]);
}
}
}
$html[] = phutil_tag('tr', array('class' => 'inline'), array(
phutil_tag('th', array()),
phutil_tag('td', array(), $comment_html),
phutil_tag('th', array()),
phutil_tag('td', array('colspan' => 3), $new),
));
}
}
if ($n_num && isset($new_comments[$n_num])) {
foreach ($new_comments[$n_num] as $comment) {
$comment_html = $this->renderInlineComment($comment,
$on_right = true);
$html[] = phutil_tag('tr', array('class' => 'inline'), array(
phutil_tag('th', array()),
phutil_tag('td', array()),
phutil_tag('th', array()),
phutil_tag(
'td',
array('colspan' => 3),
$comment_html),
));
}
}
}
return $this->wrapChangeInTable(phutil_implode_html('', $html));
}
public function renderFileChange($old_file = null,
$new_file = null,
$id = 0,
$vs = 0) {
$old = null;
if ($old_file) {
$old = phutil_tag(
'div',
array(
'class' => 'differential-image-stage'
),
phutil_tag(
'img',
array(
'src' => $old_file->getBestURI(),
)));
}
$new = null;
if ($new_file) {
$new = phutil_tag(
'div',
array(
'class' => 'differential-image-stage'
),
phutil_tag(
'img',
array(
'src' => $new_file->getBestURI(),
)));
}
$html_old = array();
$html_new = array();
foreach ($this->getOldComments() as $on_line => $comment_group) {
foreach ($comment_group as $comment) {
$comment_html = $this->renderInlineComment($comment, $on_right = false);
$html_old[] = phutil_tag('tr', array('class' => 'inline'), array(
phutil_tag('th', array()),
phutil_tag('td', array(), $comment_html),
phutil_tag('th', array()),
phutil_tag('td', array('colspan' => 3)),
));
}
}
foreach ($this->getNewComments() as $lin_line => $comment_group) {
foreach ($comment_group as $comment) {
$comment_html = $this->renderInlineComment($comment, $on_right = true);
$html_new[] = phutil_tag('tr', array('class' => 'inline'), array(
phutil_tag('th', array()),
phutil_tag('td', array()),
phutil_tag('th', array()),
phutil_tag(
'td',
array('colspan' => 3),
$comment_html),
));
}
}
if (!$old) {
$th_old = phutil_tag('th', array());
} else {
$th_old = phutil_tag('th', array('id' => "C{$vs}OL1"), 1);
}
if (!$new) {
$th_new = phutil_tag('th', array());
} else {
$th_new = phutil_tag('th', array('id' => "C{$id}OL1"), 1);
}
$output = hsprintf(
'<tr class="differential-image-diff">'.
'%s'.
'<td class="differential-old-image">%s</td>'.
'%s'.
'<td class="differential-new-image" colspan="3">%s</td>'.
'</tr>'.
'%s'.
'%s',
$th_old,
$old,
$th_new,
$new,
phutil_implode_html('', $html_old),
phutil_implode_html('', $html_new));
$output = $this->wrapChangeInTable($output);
return $this->renderChangesetTable($output);
}
}

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