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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,276 @@ | ||
| <?php | ||
|
|
||
| namespace DataAccounting\Inbox; | ||
|
|
||
| use DiffOp; | ||
|
|
||
| class HTMLDiffFormatter extends \DiffFormatter { | ||
| /** @var int[] */ | ||
| protected $stats = [ 'add' => 0, 'delete' => 0 ]; | ||
| /** @var array */ | ||
| protected $arrayData = []; | ||
| /** @var int */ | ||
| protected $idCounter = 0; | ||
| /** @var string */ | ||
| protected $html = ''; | ||
|
|
||
| /** | ||
| * Parses diff to HTML | ||
| * | ||
| * @param \Diff $diff | ||
| * @param bool $block If true, every line will be its own block | ||
| * @return string | ||
| */ | ||
| public function format( $diff, $block = true ) { | ||
| $this->html = ''; | ||
|
|
||
| $this->html = \Html::openElement( 'div', [ | ||
| 'class' => 'da-diff', | ||
| 'id' => 'da-diff' | ||
| ] ); | ||
|
|
||
| $this->idCounter = 0; | ||
|
|
||
| foreach ( $diff->getEdits() as $edit ) { | ||
| switch ( $edit->getType() ) { | ||
| case 'add': | ||
| if ( $block ) { | ||
| $this->blockAdd( $edit ); | ||
| } else { | ||
| $this->lineByLineAdd( $edit ); | ||
| } | ||
| break; | ||
| case 'delete': | ||
| if ( $block ) { | ||
| $this->blockDelete( $edit ); | ||
| } else { | ||
| $this->lineByLineDelete( $edit ); | ||
| } | ||
| break; | ||
| case 'change': | ||
| [ $orig, $closing ] = $this->conflateChange( $edit ); | ||
| if ( $block ) { | ||
| $this->blockChange( $orig, $closing ); | ||
| } else { | ||
| $this->lineByLineChange( $orig, $closing ); | ||
| } | ||
| break; | ||
| case 'copy': | ||
| // Copy is always rendered as block | ||
| $this->blockCopy( $edit ); | ||
| } | ||
| } | ||
|
|
||
| $this->html .= \Html::closeElement( 'div' ); | ||
| return $this->html; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @return array | ||
| */ | ||
| public function getArrayData() { | ||
| return $this->arrayData; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @return array | ||
| */ | ||
| public function getChangeCount() { | ||
| $changeCount = [ 'add' => 0, 'delete' => 0 ]; | ||
| foreach ( $this->arrayData as $changeId => $change ) { | ||
| if ( $change[ 'type' ] === 'add' ) { | ||
| $changeCount[ 'add' ]++; | ||
| } elseif ( $change[ 'type' ] === 'delete' ) { | ||
| $changeCount[ 'delete' ]++; | ||
| } elseif ( $change[ 'type' ] === 'change' ) { | ||
| $changeCount[ 'add' ]++; | ||
| $changeCount[ 'delete' ]++; | ||
| } | ||
| } | ||
| return $changeCount; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param string $diff | ||
| * @param string $type | ||
| * @param bool|false $counter | ||
| * @return string | ||
| */ | ||
| protected function getDiffHTML( $diff, $type, $counter = true ) { | ||
| $attrs = [ | ||
| 'class' => "da-diff-$type", | ||
| 'data-diff' => $type | ||
| ]; | ||
| if ( $counter ) { | ||
| $attrs['data-diff-id'] = $this->idCounter; | ||
| } | ||
|
|
||
| $html = \Html::openElement( 'p', $attrs ); | ||
| foreach ( explode( "\n", $diff ) as $ln ) { | ||
| if ( empty( $ln ) ) { | ||
| $html .= \Html::element( 'span', [ 'class' => 'empty-line' ], $ln ); | ||
| } else { | ||
| $html .= \Html::element( 'span', [], $ln ); | ||
| } | ||
| } | ||
| $html .= \Html::closeElement( 'p' ); | ||
| return $html; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param \DiffOp $edit | ||
| * @return array | ||
| */ | ||
| protected function conflateChange( \DiffOp $edit ) { | ||
| $orig = $edit->getOrig(); | ||
| $closing = $edit->getClosing(); | ||
|
|
||
| if ( count( $orig ) > count( $closing ) ) { | ||
| return array_reverse( $this->mergeUneven( $closing, $orig ) ); | ||
| } elseif ( count( $closing ) > count( $orig ) ) { | ||
| return $this->mergeUneven( $orig, $closing ); | ||
| } | ||
| return [ $orig, $closing ]; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param array $ar1 | ||
| * @param array $ar2 | ||
| * @return array | ||
| */ | ||
| protected function mergeUneven( $ar1, $ar2 ) { | ||
| $i = 0; | ||
| $res = []; | ||
| while ( $i < count( $ar1 ) - 1 ) { | ||
| $i++; | ||
| $res[] = $ar2[$i]; | ||
| } | ||
| $res[] = implode( "\n", array_diff( $ar2, $res ) ); | ||
| return [ $ar1, $res ]; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param DiffOp $edit | ||
| */ | ||
| protected function blockAdd( $edit ) { | ||
| $closingAll = implode( "\n", $edit->getClosing() ); | ||
| $this->idCounter++; | ||
| $this->html .= $this->getDiffHTML( $closingAll, 'add' ); | ||
| $this->arrayData[ $this->idCounter ] = [ | ||
| 'type' => 'add', | ||
| 'new' => $closingAll | ||
| ]; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param DiffOp $edit | ||
| */ | ||
| protected function lineByLineAdd( $edit ) { | ||
| foreach ( $edit->getClosing() as $line ) { | ||
| $this->idCounter++; | ||
| $this->html .= $this->getDiffHTML( $line, 'add' ); | ||
| $this->arrayData[ $this->idCounter ] = [ | ||
| 'type' => 'add', | ||
| 'new' => $line | ||
| ]; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param DiffOp $edit | ||
| */ | ||
| protected function blockDelete( $edit ) { | ||
| $origAll = implode( "\n", $edit->getOrig() ); | ||
| $this->idCounter++; | ||
| $this->html .= $this->getDiffHTML( $origAll, 'delete' ); | ||
| $this->arrayData[ $this->idCounter ] = [ | ||
| 'type' => 'delete', | ||
| 'old' => $origAll | ||
| ]; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param DiffOp $edit | ||
| */ | ||
| protected function lineByLineDelete( $edit ) { | ||
| foreach ( $edit->getOrig() as $line ) { | ||
| $this->idCounter++; | ||
| $this->html .= $this->getDiffHTML( $line, 'delete' ); | ||
| $this->arrayData[ $this->idCounter ] = [ | ||
| 'type' => 'delete', | ||
| 'old' => $line | ||
| ]; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param array $orig | ||
| * @param array $closing | ||
| */ | ||
| protected function blockChange( $orig, $closing ) { | ||
| $origAll = implode( "\n", $orig ); | ||
| $closingAll = implode( "\n", $closing ); | ||
| $this->idCounter++; | ||
| $this->html .= \Html::openElement( 'div', [ | ||
| 'class' => 'da-diff-change', | ||
| 'data-diff' => 'change', | ||
| 'data-diff-id' => $this->idCounter | ||
| ] ); | ||
| $this->html .= $this->getDiffHTML( $origAll, 'delete', false ); | ||
| $this->html .= $this->getDiffHTML( $closingAll, 'add', false ); | ||
| $this->html .= \Html::closeElement( 'div' ); | ||
| $this->arrayData[ $this->idCounter ] = [ | ||
| 'type' => 'change', | ||
| 'old' => $origAll, | ||
| 'new' => $closingAll | ||
| ]; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param array $orig | ||
| * @param array $closing | ||
| */ | ||
| protected function lineByLineChange( $orig, $closing ) { | ||
| foreach ( $orig as $key => $line ) { | ||
| $this->idCounter++; | ||
| $this->html .= \Html::openElement( 'div', [ | ||
| 'class' => 'da-diff-change', | ||
| 'data-diff' => 'change', | ||
| 'data-diff-id' => $this->idCounter | ||
| ] ); | ||
| $this->html .= $this->getDiffHTML( $line, 'delete', false ); | ||
| $this->html .= $this->getDiffHTML( $closing[$key], 'add', false ); | ||
| $this->html .= \Html::closeElement( 'div' ); | ||
| $this->arrayData[ $this->idCounter ] = [ | ||
| 'type' => 'change', | ||
| 'old' => $line, | ||
| 'new' => $closing[$key] | ||
| ]; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param DiffOp $edit | ||
| */ | ||
| protected function blockCopy( $edit ) { | ||
| $text = implode( "\n", $edit->getOrig() ); | ||
| $this->idCounter++; | ||
| $this->html .= $this->getDiffHTML( $text, 'copy' ); | ||
| $this->arrayData[ $this->idCounter ] = [ | ||
| 'type' => 'copy', | ||
| 'old' => $text | ||
| ]; | ||
| } | ||
| } |
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