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Recover inline comments which are "adjusted" off the end of a diff
Summary: See PHI1834. Currently, the inline adjustment engine can sometime "adjust" an inline off the end of a diff. If it does, we lay it out on an invalid display line here and never render it. Instead, make sure that layout never puts a comment on an invalid line, so the UI is robust against questionable decisions by the adjustment engine: no adjustment should be able to accidentally discard an inline. Test Plan: - Created a two diff revision, where Diffs 1 and 2 have "alphabet.txt" with A-Z on one line each. The file is unchanged across diffs; some other file is changed. - Added a comment to lines P-Z of Diff 1. - Before: comment is adjusted out of range on Diff 2 and not shown in the UI. - After: comment is still adjusted out of range internally, but now corrected into the display range and shown. Differential Revision: https://secure.phabricator.com/D21435
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1 changed files with 21 additions and 5 deletions
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@ -1053,14 +1053,30 @@ final class DifferentialChangesetParser extends Phobject {
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$this->comments = id(new PHUIDiffInlineThreader())
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->reorderAndThreadCommments($this->comments);
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$old_max_display = 1;
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foreach ($this->old as $old) {
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if (isset($old['line'])) {
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$old_max_display = $old['line'];
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}
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}
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$new_max_display = 1;
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foreach ($this->new as $new) {
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if (isset($new['line'])) {
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$new_max_display = $new['line'];
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}
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}
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foreach ($this->comments as $comment) {
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$final = $comment->getLineNumber() +
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$comment->getLineLength();
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$final = max(1, $final);
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$display_line = $comment->getLineNumber() + $comment->getLineLength();
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$display_line = max(1, $display_line);
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if ($this->isCommentOnRightSideWhenDisplayed($comment)) {
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$new_comments[$final][] = $comment;
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$display_line = min($new_max_display, $display_line);
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$new_comments[$display_line][] = $comment;
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} else {
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$old_comments[$final][] = $comment;
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$display_line = min($old_max_display, $display_line);
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$old_comments[$display_line][] = $comment;
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}
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}
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}
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