public static CreateDeleteSource ( int sourceIndex, int length ) : |
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sourceIndex | int | |
length | int | |
Результат |
public List <DiffResultSpan> DiffReport() { var retval = new List <DiffResultSpan>(); var dcount = _dest.Count(); var scount = _source.Count(); //Deal with the special case of empty files if (dcount == 0) { if (scount > 0) { retval.Add(DiffResultSpan.CreateDeleteSource(0, scount)); } return(retval); } else { if (scount == 0) { retval.Add(DiffResultSpan.CreateAddDestination(0, dcount)); return(retval); } } _matchList.Sort(); var curDest = 0; var curSource = 0; DiffResultSpan last = null; //Process each match record foreach (var drs in _matchList) { if ((!AddChanges(retval, curDest, drs.DestIndex, curSource, drs.SourceIndex)) && (last != null)) { last.AddLength(drs.Length); } else { retval.Add(drs); } curDest = drs.DestIndex + drs.Length; curSource = drs.SourceIndex + drs.Length; last = drs; } //Process any tail end data AddChanges(retval, curDest, dcount, curSource, scount); return(retval); }
private bool AddChanges( List <DiffResultSpan> report, int curDest, int nextDest, int curSource, int nextSource) { var retval = false; var diffDest = nextDest - curDest; var diffSource = nextSource - curSource; var minDiff = 0; if (diffDest > 0) { if (diffSource > 0) { minDiff = Math.Min(diffDest, diffSource); report.Add(DiffResultSpan.CreateReplace(curDest, curSource, minDiff)); if (diffDest > diffSource) { curDest += minDiff; report.Add(DiffResultSpan.CreateAddDestination(curDest, diffDest - diffSource)); } else { if (diffSource > diffDest) { curSource += minDiff; report.Add(DiffResultSpan.CreateDeleteSource(curSource, diffSource - diffDest)); } } } else { report.Add(DiffResultSpan.CreateAddDestination(curDest, diffDest)); } retval = true; } else { if (diffSource > 0) { report.Add(DiffResultSpan.CreateDeleteSource(curSource, diffSource)); retval = true; } } return(retval); }