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Add $insertions_count and $deletions_count. #9

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Add $insertions_count and $deletions_count. #9

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16 changes: 16 additions & 0 deletions finediff.php
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Original file line number Diff line number Diff line change
Expand Up @@ -214,6 +214,8 @@ class FineDiff {
*/
public function __construct($from_text = '', $to_text = '', $granularityStack = null) {
// setup stack for generic text documents by default
$this->insertions_count = 0;
$this->deletions_count = 0;
$this->granularityStack = $granularityStack ? $granularityStack : FineDiff::$characterGranularity;
$this->edits = array();
$this->from_text = $from_text;
Expand Down Expand Up @@ -407,8 +409,22 @@ private function _processGranularity($from_segment, $to_segment) {
/* $fragment_edit instanceof FineDiffCopyOp */
/* $fragment_edit instanceof FineDiffDeleteOp */
/* $fragment_edit instanceof FineDiffInsertOp */
/* $fragment_edit instanceof fineDiffReplaceOp */
$this->edits[] = $this->last_edit = $fragment_edit;
$this->from_offset += $fragment_edit->getFromLen();
// increase insertion count
if ( $fragment_edit instanceof fineDiffInsertOp ) {
$this->insertions_count++;
}
// increase deletion count
else if ( $fragment_edit instanceof fineDiffDeleteOp ) {
$this->deletions_count++;
}
// increase insertion and deletion count
else if ( $fragment_edit instanceof fineDiffReplaceOp ) {
$this->insertions_count++;
$this->deletions_count++;
}
}
}
$this->stackpointer--;
Expand Down