/// <summary>
/// Compare two blocks of characters against each other.
/// </summary>
/// <param name="poAlpha">First block of characters.</param>
/// <param name="poBeta">Second block of characters.</param>
public override void Compare(Block poAlpha1, Block poBeta1)
{
Sections.OnAddSection += new Sections.AddSectionHandler(Sections_OnAddSection);
BlockOfCharacters poAlpha = (BlockOfCharacters)poAlpha1;
BlockOfCharacters poBeta = (BlockOfCharacters)poBeta1;
this.MinElements = this.MinChars;
Analyse(1, poAlpha, 1, poBeta);
//Add missing alpha segments.
SegmentComparer oSegAComparer = new SegmentComparer();
oSegAComparer.ComparisonMethod = SegmentComparer.ComparisonType.AlphaPosition;
AddMissingSegments("A1", oSegAComparer, mcSegA, poAlpha);
//Add missing beta segments.
SegmentComparer oSegBComparer = new SegmentComparer();
oSegBComparer.ComparisonMethod = SegmentComparer.ComparisonType.BetaPosition;
AddMissingSegments("B1", oSegBComparer, mcSegB, poBeta);
//Check if user has chosen to cancel run.
if (Interrupt.Reason == "Cancel")
{
return;
}
//Merge into report.
long nCountA = 0;
long nCountB = 0;
string sMatchIndent = string.Empty;
string sInsertIndent = string.Empty;
SegmentOfCharacters oSegA = new SegmentOfCharacters();
SegmentOfCharacters oSegB = new SegmentOfCharacters();
oSegA.Type = "X1";
oSegA.Data = new BlockOfCharacters();
oSegB.Type = "Z1";
oSegB.Data = new BlockOfCharacters();
SectionOfCharacters oSection = new SectionOfCharacters();
while (nCountA < mcSegA.Count || nCountB < mcSegB.Count)
{
if (nCountA < mcSegA.Count)
{
oSegA = (SegmentOfCharacters)mcSegA[(int)nCountA];
}
if (nCountB < mcSegB.Count)
{
oSegB = (SegmentOfCharacters)mcSegB[(int)nCountB];
}
if (oSegA.Type.Substring(0, 1) == "M" && oSegB.Type.Substring(0, 1) == "M")
{
if (!oSegA.Data.IsEmpty)
{
oSection = new SectionOfCharacters();
oSection.Type = oSegA.Type;
oSection.Position = oSegA.PositionA;
oSection.PositionA = oSegA.PositionA;
oSection.PositionB = oSegB.PositionB;
oSection.Size = oSegA.Size;
oSection.Data = oSegA.Data;
oSection.Indentation = sInsertIndent;
Sections.Add(oSection);
oSegA.Display(sInsertIndent);
sMatchIndent = oSegA.Indent;
sInsertIndent = oSegA.Indent;
}
nCountA++;
nCountB++;
}
else if (oSegA.Type.Substring(0, 1) == "M" && oSegB.Type.Substring(0, 1) != "M")
{
if (!oSegB.Data.IsEmpty)
{
oSection = new SectionOfCharacters();
oSection.Type = oSegB.Type;
oSection.Position = oSegB.PositionB;
oSection.PositionA = oSegA.PositionA;
oSection.PositionB = oSegB.PositionB;
oSection.Size = oSegB.Size;
oSection.Data = oSegB.Data;
oSection.Indentation = sMatchIndent;
Sections.Add(oSection);
oSegB.Display(sMatchIndent);
}
nCountB++;
}
else if (oSegA.Type.Substring(0, 1) != "M" && oSegB.Type.Substring(0, 1) == "M")
{
if (!oSegA.Data.IsEmpty)
{
oSection = new SectionOfCharacters();
oSection.Type = oSegA.Type;
oSection.Position = oSegA.PositionA;
oSection.PositionA = oSegA.PositionA;
oSection.PositionB = oSegB.PositionB;
oSection.Size = oSegA.Size;
oSection.Data = oSegA.Data;
oSection.Indentation = sMatchIndent;
Sections.Add(oSection);
oSegA.Display(sMatchIndent);
sInsertIndent = oSegA.Indent;
}
nCountA++;
}
else if (oSegA.Type.Substring(0, 1) != "M" && oSegB.Type.Substring(0, 1) != "M")
{
if (oSegA.PositionA < oSegB.PositionB)
{
if (!oSegA.Data.IsEmpty)
{
oSection = new SectionOfCharacters();
oSection.Type = oSegA.Type;
oSection.Position = oSegA.PositionA;
oSection.PositionA = oSegA.PositionA;
oSection.PositionB = oSegB.PositionB;
oSection.Size = oSegA.Size;
oSection.Data = oSegA.Data;
oSection.Indentation = sMatchIndent;
Sections.Add(oSection);
oSegA.Display(sMatchIndent);
sInsertIndent = oSegA.Indent;
}
if (!oSegB.Data.IsEmpty)
{
oSection = new SectionOfCharacters();
oSection.Type = oSegB.Type;
oSection.Position = oSegB.PositionB;
oSection.PositionA = oSegA.PositionA;
oSection.PositionB = oSegB.PositionB;
oSection.Size = oSegB.Size;
oSection.Data = oSegB.Data;
oSection.Indentation = sMatchIndent;
Sections.Add(oSection);
oSegB.Display(sMatchIndent);
}
}
else
{
if (!oSegB.Data.IsEmpty)
{
oSection = new SectionOfCharacters();
oSection.Type = oSegB.Type;
oSection.Position = oSegB.PositionB;
oSection.PositionA = oSegA.PositionA;
oSection.PositionB = oSegB.PositionB;
oSection.Size = oSegB.Size;
oSection.Data = oSegB.Data;
oSection.Indentation = sMatchIndent;
Sections.Add(oSection);
oSegB.Display(sMatchIndent);
}
if (!oSegA.Data.IsEmpty)
{
oSection = new SectionOfCharacters();
oSection.Type = oSegA.Type;
oSection.Position = oSegA.PositionA;
oSection.PositionA = oSegA.PositionA;
oSection.PositionB = oSegB.PositionB;
oSection.Size = oSegA.Size;
oSection.Data = oSegA.Data;
oSection.Indentation = sMatchIndent;
Sections.Add(oSection);
oSegA.Display(sMatchIndent);
sInsertIndent = oSegA.Indent;
}
}
nCountA++;
nCountB++;
}
}
}
/// <summary>
/// Build comparisons list.
/// </summary>
private void BuildComparisons()
{
mcComparisons = new List <Comparison>();
for (int nCount = 0; nCount < Sections.Count; nCount++)
{
Section oSection = (Section)Sections[nCount];
if (oSection is SectionOfLines)
{
SectionOfLines oSectionOfLines = (SectionOfLines)oSection;
BlockOfLines moBlock = (BlockOfLines)oSectionOfLines.Data;
if (oSectionOfLines.Type.Substring(0, 1) == "M")
{
for (long nIndex = 0; nIndex < moBlock.Elements.Length; nIndex++)
{
long position = oSectionOfLines.PositionA + nIndex;
string sData = moBlock.Elements[nIndex].ToDisplay();
Comparison oComparison = new Comparison(Comparison.GranularityEnum.Line, Comparison.MatchEnum.Match, position, sData, position, sData);
mcComparisons.Add(oComparison);
}
}
else if (oSectionOfLines.Type.Substring(0, 1) == "A")
{
for (long nIndex = 0; nIndex < moBlock.Elements.Length; nIndex++)
{
long position = oSectionOfLines.PositionA + nIndex;
string sData = moBlock.Elements[nIndex].ToDisplay();
Comparison oComparison = new Comparison(Comparison.GranularityEnum.Line, Comparison.MatchEnum.InsertNew, position, sData, -1, string.Empty);
mcComparisons.Add(oComparison);
}
}
else if (oSectionOfLines.Type.Substring(0, 1) == "B")
{
for (long nIndex = 0; nIndex < moBlock.Elements.Length; nIndex++)
{
long position = oSectionOfLines.PositionB + nIndex;
string sData = moBlock.Elements[nIndex].ToDisplay();
Comparison oComparison = new Comparison(Comparison.GranularityEnum.Line, Comparison.MatchEnum.DeleteOld, -1, string.Empty, position, sData);
mcComparisons.Add(oComparison);
}
}
}
if (oSection is SectionOfCharacters)
{
SectionOfCharacters oSectionOfCharacters = (SectionOfCharacters)oSection;
BlockOfCharacters moBlock = (BlockOfCharacters)oSectionOfCharacters.Data;
if (oSectionOfCharacters.Type.Substring(0, 1) == "M")
{
for (long nIndex = 0; nIndex < moBlock.Elements.Length; nIndex++)
{
long position = oSectionOfCharacters.PositionA + nIndex;
string sData = moBlock.Elements[nIndex].ToDisplay();
Comparison oComparison = new Comparison(Comparison.GranularityEnum.Character, Comparison.MatchEnum.Match, position, sData, position, sData);
mcComparisons.Add(oComparison);
}
}
else if (oSectionOfCharacters.Type.Substring(0, 1) == "A")
{
for (long nIndex = 0; nIndex < moBlock.Elements.Length; nIndex++)
{
long position = oSectionOfCharacters.PositionA + nIndex;
string sData = moBlock.Elements[nIndex].ToDisplay();
Comparison oComparison = new Comparison(Comparison.GranularityEnum.Character, Comparison.MatchEnum.InsertNew, position, sData, -1, string.Empty);
mcComparisons.Add(oComparison);
}
}
else if (oSectionOfCharacters.Type.Substring(0, 1) == "B")
{
for (long nIndex = 0; nIndex < moBlock.Elements.Length; nIndex++)
{
long position = oSectionOfCharacters.PositionB + nIndex;
string sData = moBlock.Elements[nIndex].ToDisplay();
Comparison oComparison = new Comparison(Comparison.GranularityEnum.Character, Comparison.MatchEnum.DeleteOld, -1, string.Empty, position, sData);
mcComparisons.Add(oComparison);
}
}
}
}
}