public static int GetLevel(string Source, string Destination)
{
Differ DiffMaker = new Differ();
SideBySideDiffBuilder SideBySideDiffer = new SideBySideDiffBuilder(DiffMaker);
SideBySideDiffModel SideBySideDiffResult = SideBySideDiffer.BuildDiffModel(Source, Destination);
return GetLevel(SideBySideDiffResult, Source, Destination);
}
public static void Diff(this string expected, string actual, string message = null)
{
var d = new Differ();
var inlineBuilder = new InlineDiffBuilder(d);
var result = inlineBuilder.BuildDiffModel(expected, actual);
var hasChanges = result.Lines.Any(l => l.Type != ChangeType.Unchanged);
if (!hasChanges) return;
var diff = result.Lines.Aggregate(new StringBuilder().AppendLine(message), (sb, line) =>
{
if (line.Type == ChangeType.Inserted)
sb.Append("+ ");
else if (line.Type == ChangeType.Deleted)
sb.Append("- ");
else
sb.Append(" ");
sb.AppendLine(line.Text);
return sb;
}, sb => sb.ToString());
diff += "\r\n C# approximation of actual: \r\n new ";
var approx = Regex.Replace(actual, @"^(?=.*:.*)[^:]+:", (s) => s
.Value.Replace("\"", "")
.Replace(":", " =")
, RegexOptions.Multiline)
.Replace(" = {", " = new {")
.Replace(" = [", " = new [] {")
;
approx = Regex.Replace(approx, @"^\s*\],?.*$", s => s.Value.Replace("]", "}"), RegexOptions.Multiline);
diff += approx + ";";
throw new Exception(diff);
}
/// <summary>
/// measure differential between two files
/// </summary>
public static DiffCounter Count(
string originalFile, string modifiedFile)
{
var original = File.ReadAllText(@originalFile);
var modified = File.ReadAllText(@modifiedFile);
var d = new Differ();
var counter = new DiffCounter();
var side = new SideBySideDiffBuilder(d);
var result = side.BuildDiffModel(original, modified);
// added, modified, and unmodified at modified file
foreach (var line in result.NewText.Lines) {
if (line.Type == ChangeType.Inserted) {
counter.AddedCount++;
}
if (line.Type == ChangeType.Modified) {
counter.ModifiedCount++;
}
if (line.Type == ChangeType.Unchanged) {
counter.EqualCount++;
}
}
// deleted from original file
foreach (var line in result.OldText.Lines) {
if (line.Type == ChangeType.Deleted) {
counter.DeletedCount++;
}
}
return counter;
}
public void DisplayDiff(string filename, string fullpath, string author, string old, string updated)
{
grid.RowDefinitions.Clear();
var rd = new RowDefinition { Height = new GridLength(1, GridUnitType.Star) };
grid.RowDefinitions.Add(rd);
// Remove the line number blocks and such. actionsThem is the last item in the XAML
int x = grid.Children.IndexOf(message);
grid.Children.RemoveRange(x + 1, grid.Children.Count - x);
message.Visibility = Visibility.Collapsed;
if (filename.EndsWith(".docx") || filename.EndsWith(".doc")) {
// Word document. So let the user open the doc in Word
message.Visibility = Visibility.Visible;
message.Text = "This is a Word document. Please save it to view its contents.";
message.Inlines.Add(" You can also ");
var fakeUri = new Uri("http://asdf.com");
var link = new Hyperlink(new Run("view the changes")) { NavigateUri = fakeUri };
link.RequestNavigate += (s, e) => CompareInWord(old, updated, filename, Path.GetDirectoryName(fullpath), author);
message.Inlines.Add(link);
message.Inlines.Add(" in Word.");
} else if (SentenceFilter.IsBinary(old) || SentenceFilter.IsBinary(updated)) {
message.Visibility = Visibility.Visible;
message.Text = "This file is in binary. Please save it to view its contents.";
} else {
// Compute the diff, break it into blocks
if (old == null) old = "";
if (updated == null) updated = "";
var d = new Differ();
var dr = d.CreateLineDiffs(old, updated, false);
int curBlock = 0, numBlocks = dr.DiffBlocks.Count;
List<LineBlock> lineBlocks = new List<LineBlock>();
for (int i = 0; i <= dr.PiecesOld.Length; i++) {
while (curBlock < numBlocks && dr.DiffBlocks[curBlock].DeleteStartA < i) {
curBlock++;
}
if (curBlock < numBlocks && dr.DiffBlocks[curBlock].DeleteStartA == i) {
var db = dr.DiffBlocks[curBlock];
if (db.DeleteCountA > 0) {
lineBlocks.Add(new LineBlock(Util.ArraySlice(dr.PiecesOld, db.DeleteStartA, db.DeleteCountA), BlockType.ChangeDelete));
}
if (db.InsertCountB > 0) {
lineBlocks.Add(new LineBlock(Util.ArraySlice(dr.PiecesNew, db.InsertStartB, db.InsertCountB), BlockType.ChangeAdd));
}
i += db.DeleteCountA;
curBlock++;
}
if (i < dr.PiecesOld.Length) {
lineBlocks.Add(new LineBlock(Util.ArraySlice(dr.PiecesOld, i, 1)));
}
}
// Draw the actual blocks.
DrawLineBlocks(lineBlocks);
}
}
public static string GetFormattedDiff(string oldText, string newText)
{
var differ = new Differ();
var diff = GetDiff(differ, oldText, newText);
return diff.Lines.Any(x => x.Type != ChangeType.Unchanged)
? FormatDiff(diff)
: string.Empty;
}
/// <summary>
/// Make a diff between two strings
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public static DiffResult Diff(string a, string b)
{
var differ = new Differ();
//var result = differ.CreateCharacterDiffs(a, b, false, true);
var result = differ.CreateWordDiffs(a, b, true, true, new char[]{',',' ','\''});
return result;
}
internal static string[] DoSideBySideDiff(string SourceText, string DestinationText)
{
string[] Result = new string[3];
Differ DiffMaker = new Differ();
SideBySideDiffBuilder SideBySideDiffer = new SideBySideDiffBuilder(DiffMaker);
SideBySideDiffModel SideBySideDiffResult = SideBySideDiffer.BuildDiffModel(SourceText, DestinationText);
int DiffLevel = IronDiffer.GetLevel(SideBySideDiffResult, SourceText, DestinationText);
Result[0] = FullDiff(SideBySideDiffResult.OldText.Lines);
Result[1] = FullDiff(SideBySideDiffResult.NewText.Lines);
Result[2] = DiffLevel.ToString();
return Result;
}
public static void Do(string upc1, string upc2)
{
Product product1 = DataAccess.GetProduct("794552240051");
Product product2 = DataAccess.GetProduct("794552240358");
Differ differ = new Differ();
ISideBySideDiffBuilder diffBuilder = new SideBySideDiffBuilder2(differ);
PrintToConsole(product1, diffBuilder, product2);
//PrintToHtml(product1, diffBuilder, product2);
}
private void DetectChunkChanges(byte[] previousChunkData, byte[] chunkData, string name, string label, string display)
{
bool debugChunkFiles = true;
DiffType InvestigatePluginPresetFileFormatDiffType = DiffType.Binary;
// do a binary comparison between what changed before and after this method was called
// if the chunk is not empty, try to detect what has changed
if (chunkData != null && chunkData.Length > 0) {
int chunkLength = chunkData.Length;
// binary comparison to find out where the chunk has changed
if (previousChunkData != null && previousChunkData.Length > 0) {
if (debugChunkFiles) {
BinaryFile.ByteArrayToFile("Preset Chunk Data - previousChunkData.dat", previousChunkData);
BinaryFile.ByteArrayToFile("Preset Chunk Data - chunkData.dat", chunkData);
}
if (InvestigatePluginPresetFileFormatDiffType == DiffType.Binary) {
SimpleBinaryDiff.Diff diff = SimpleBinaryDiff.GetDiff(previousChunkData, chunkData);
if (diff != null) {
System.Diagnostics.Debug.WriteLine("BinDiff: {0}", diff);
// store each of the chunk differences in a list
foreach (SimpleBinaryDiff.DiffPoint point in diff.Points) {
this.InvestigatedPluginPresetFileFormatList.Add(
new InvestigatedPluginPresetFileFormat(point.Index, point.NewValue, name, label, display));
}
}
} else if (InvestigatePluginPresetFileFormatDiffType == DiffType.Text) {
// assume we are dealing with text and not binary data
var d = new Differ();
string OldText = BinaryFile.ByteArrayToString(previousChunkData);
string NewText = BinaryFile.ByteArrayToString(chunkData);
DiffResult res = d.CreateWordDiffs(OldText, NewText, true, true, new[] {' ', '\r', '\n'});
//DiffResult res = d.CreateCharacterDiffs(OldText, NewText, true, true);
List<UnidiffEntry> diffList = UnidiffSeqFormater.GenerateWithLineNumbers(res);
var queryTextDiffs = from dl in diffList
where dl.Type == UnidiffType.Insert
select dl;
foreach (var e in queryTextDiffs) {
string text = e.Text;
text = text.Replace("\n", "");
if (text != "") {
System.Diagnostics.Debug.WriteLine(String.Format("TextDiff: {0} {1}", e.Index, text));
this.InvestigatedPluginPresetFileFormatList.Add(
new InvestigatedPluginPresetFileFormat(e.Index, 0, name, label, display, text));
}
}
}
}
}
}
public async Task<ActionResult> CompareBlobs(Errorable<BlobID.Partial> epida, Errorable<BlobID.Partial> epidb)
{
if (epida.HasErrors || epidb.HasErrors) return Json(new { errors = (epida.Errors + epidb.Errors).ToJSON() }, JsonRequestBehavior.AllowGet);
// Resolve the partial IDs:
var eids = await cms.blrepo.ResolvePartialIDs(epida.Value, epidb.Value);
if (eids[0].HasErrors || eids[1].HasErrors) return Json(new { errors = (eids[0].Errors + eids[1].Errors).ToJSON() }, JsonRequestBehavior.AllowGet);
BlobID idA = eids[0].Value;
BlobID idB = eids[1].Value;
// Get the Blobs:
var ebls = await cms.blrepo.GetBlobs(idA, idB);
if (ebls[0].HasErrors || ebls[1].HasErrors) return Json(new { errors = (ebls[0].Errors + ebls[1].Errors).ToJSON() }, JsonRequestBehavior.AllowGet);
IStreamedBlob blA = ebls[0].Value, blB = ebls[1].Value;
// Stream in both blobs' contents to string values:
var etextA = await blA.ReadStreamAsync<string>(async st => { using (var sr = new StreamReader(st, Encoding.UTF8)) return (Errorable<string>)await sr.ReadToEndAsync(); });
if (etextA.HasErrors) return ErrorJson(etextA);
var etextB = await blB.ReadStreamAsync<string>(async st => { using (var sr = new StreamReader(st, Encoding.UTF8)) return (Errorable<string>)await sr.ReadToEndAsync(); });
if (etextB.HasErrors) return ErrorJson(etextB);
// TODO: update to a better diff engine that supports merging...
// Create a diff engine:
IDiffer differ = new Differ();
ISideBySideDiffBuilder builder = new SideBySideDiffBuilder(differ);
// Run the diff engine to get the output model:
// NOTE: I would prefer it to read in via a Stream but perhaps that is not possible given the algorithm implemented.
var sxs = builder.BuildDiffModel(etextA.Value, etextB.Value);
// Return the result as JSON:
return Json(sxs.ToJSON(), JsonRequestBehavior.AllowGet);
}
private void ProcessBlockDiff(LineBlock oldLineBlock, LineBlock newLineBlock, bool modifyOld = true)
{
// Do block-by-block diffs inside LineBlocks.
var oldBlocks = new List<Block>();
var newBlocks = new List<Block>();
foreach (var line in oldLineBlock.lines) {
oldBlocks.AddRange(line.blocks);
}
foreach (var line in newLineBlock.lines) {
newBlocks.AddRange(line.blocks);
}
var d = new Differ();
DiffResult diff = d.CreateLineDiffs(String.Join("\n", oldBlocks.Select(x => x.ToString()).ToArray()),
String.Join("\n", newBlocks.Select(x => x.ToString()).ToArray()), false);
foreach (DiffBlock dblock in diff.DiffBlocks) {
if (modifyOld) {
for (int i = 0; i < dblock.DeleteCountA && dblock.DeleteStartA + i < oldBlocks.Count; i++) {
oldBlocks[i + dblock.DeleteStartA].type = BlockType.ChangeDelete;
}
}
for (int i = 0; i < dblock.InsertCountB && dblock.InsertStartB + i < newBlocks.Count; i++) {
newBlocks[i + dblock.InsertStartB].type = BlockType.ChangeAdd;
}
}
}
public static SideBySideDiffModel GetDiff(string Source, string Destination)
{
Differ DiffMaker = new Differ();
SideBySideDiffBuilder SideBySideDiffer = new SideBySideDiffBuilder(DiffMaker);
return SideBySideDiffer.BuildDiffModel(Source, Destination);
}
/// <inheritdoc />
public void SetParameterAutomated(int index, float value)
{
RaisePluginCalled("SetParameterAutomated(" + index + ", " + value + ")");
// This chunk of code handles investigation of a preset format in order to be able to
// reverse engineer where the different changes to the parameters are stored within the preset file.
string name = PluginContext.PluginCommandStub.GetParameterName(index);
string label = PluginContext.PluginCommandStub.GetParameterLabel(index);
string display = PluginContext.PluginCommandStub.GetParameterDisplay(index);
if ("".Equals(display)) display = "" + value;
Debug.WriteLine(string.Format("SetParameterAutomated. Name: {0}, Label: {1}, Value: {2}", name, label, display));
if (DoInvestigatePluginPresetFileFormat) {
// read in the preset chunk and
// do a binary comparison between what changed before and after this method was called
byte[] chunkData = PluginContext.PluginCommandStub.GetChunk(true);
// if we are tracking a specific number of bytes from the chunk, store those
if (DoTrackPluginPresetFileFormat) {
if (TrackPluginPresetFilePosition > -1 && TrackPluginPresetFileNumberOfBytes > 0) {
var trackedChunkData = new byte[TrackPluginPresetFileNumberOfBytes];
Array.Copy(chunkData, TrackPluginPresetFilePosition, trackedChunkData, 0, TrackPluginPresetFileNumberOfBytes);
TrackPluginPresetFileBytes = trackedChunkData;
}
}
// if the chunk is not empty, try to detect what has changed
if (chunkData != null && chunkData.Length > 0) {
int chunkLength = chunkData.Length;
// TODO: DELETE THIS
/*
string wavesPluginName = WavesPreset.GetPluginName(chunkData);
if (wavesPluginName != null) {
switch (wavesPluginName) {
case "SSLChannel":
WavesSSLChannel sslChannel = new WavesSSLChannel();
sslChannel.ReadChunkData(chunkData);
sslChannel.Write("sslchannel-output.txt");
break;
case "SSLComp":
WavesSSLComp sslComp = new WavesSSLComp();
sslComp.ReadChunkData(chunkData);
sslComp.Write("sslcomp-output.txt");
break;
case "PuigChild":
break;
}
}
*/
// binary comparison to find out where the chunk has changed
if (previousChunkData != null && previousChunkData.Length > 0) {
if (debugChunkFiles) {
BinaryFile.ByteArrayToFile("Preset Chunk Data - previousChunkData.dat", previousChunkData);
BinaryFile.ByteArrayToFile("Preset Chunk Data - chunkData.dat", chunkData);
}
if (InvestigatePluginPresetFileFormatDiffType == DiffType.Binary) {
SimpleBinaryDiff.Diff diff = SimpleBinaryDiff.GetDiff(previousChunkData, chunkData);
if (diff != null) {
Debug.WriteLine(string.Format("BinDiff: {0}", diff));
// store each of the chunk differences in a list
foreach (SimpleBinaryDiff.DiffPoint point in diff.Points) {
this.InvestigatedPluginPresetFileFormatList.Add(
new InvestigatedPluginPresetFileFormat(point.Index, point.NewValue, name, label, display));
}
}
} else if (InvestigatePluginPresetFileFormatDiffType == DiffType.Text) {
// assume we are dealing with text and not binary data
var d = new Differ();
string OldText = BinaryFile.ByteArrayToString(previousChunkData);
string NewText = BinaryFile.ByteArrayToString(chunkData);
DiffResult res = d.CreateWordDiffs(OldText, NewText, true, true, new[] {' ', '\r', '\n'});
//DiffResult res = d.CreateCharacterDiffs(OldText, NewText, true, true);
List<UnidiffEntry> diffList = UnidiffSeqFormater.GenerateWithLineNumbers(res);
var queryTextDiffs = from dl in diffList
where dl.Type == UnidiffType.Insert
select dl;
foreach (var e in queryTextDiffs) {
string text = e.Text;
text = text.Replace("\n", "");
if (text != "") {
System.Diagnostics.Debug.WriteLine(String.Format("TextDiff: {0} {1}", e.Index, text));
this.InvestigatedPluginPresetFileFormatList.Add(
new InvestigatedPluginPresetFileFormat(e.Index, 0, name, label, display, text));
}
}
}
}
previousChunkData = chunkData;
}
}
}
/// <summary>
/// Lê o csv e retorna uma lista com as rodadas
/// </summary>
/// <param name="instanceFile"></param>
/// <param name="biblioteca"></param>
/// <param name="dirGa"></param>
private static List<RodadaMapper> RecuperarRodadasDoGaNoCsv(FileInfo instanceFile, DirectoryInfo biblioteca, DirectoryInfo dirGa)
{
if (!File.Exists(biblioteca.GetFiles().First().FullName))
{
Console.WriteLine("Deveria existir o arquivo original da biblioteca aqui. | {0}", dirGa.FullName);
Environment.Exit(-1);
}
//Ler as rodadas
var rodadas = new List<RodadaMapper>();
using (var csv = new TextFieldParser(instanceFile.FullName))
{
csv.ReadLine();
csv.ReadLine();
csv.TextFieldType = FieldType.Delimited;
csv.SetDelimiters(",");
csv.HasFieldsEnclosedInQuotes = true;
//Conta das linhas do original
var totalLinhas = ContarLinhas(biblioteca.GetFiles().First().FullName);
//Conta Tokens do Original
var totalchars = GetNumOfCharsInFile(biblioteca.GetFiles().First().FullName);
//Texto do Original
var textoOriginal = File.ReadAllText(biblioteca.GetFiles().First().FullName);
while (!csv.EndOfData)
{
string[] currentRow = csv.ReadFields();
string bestFile = Path.GetFileName(currentRow[1]);
int totalLinhasBest = 0;
int totalcharsBest = 0;
string tempoOriginal = "00:00:00,000";
string fitOrignal = "00000";
string tempoFinalComUnload = "";
string fitFinal = "";
DiffPaneModel resultadoComparacao = null;
//Tempo e fit originais
tempoOriginal = RecuperarTempoMedioeFitOriginal(biblioteca, dirGa, currentRow[0], out fitOrignal);
var fileList = dirGa.GetFiles(bestFile, SearchOption.AllDirectories);
//Se o arquivo melhorado existe, conta as linhas e os caracteres do mesmo
if (fileList.Any())
{
totalLinhasBest = ContarLinhas(fileList.First().FullName);
totalcharsBest = GetNumOfCharsInFile(fileList.First().FullName);
tempoFinalComUnload = currentRow[4];
fitFinal = currentRow[3];
var textoMelhor = File.ReadAllText(fileList.First().FullName);
var d = new Differ();
var builder = new InlineDiffBuilder(d);
resultadoComparacao = builder.BuildDiffModel(textoOriginal, textoMelhor);
}
else
{
//Não houve melhor
totalLinhasBest = totalLinhas;
totalcharsBest = totalchars;
tempoFinalComUnload = tempoOriginal;
fitFinal = fitOrignal;
}
rodadas.Add(new RodadaMapper()
{
Algoritmo = dirGa.Name,
Biblioteca = biblioteca.Name,
Rodada = currentRow[0],
Individuo = currentRow[1],
Operacao = currentRow[2],
Fitness = fitOrignal,
FitnessFinal = fitFinal,
TempoOriginalComUnload = tempoOriginal,
TempoFinalComUnload = tempoFinalComUnload,
Testes = currentRow[5],
LocOriginal = totalLinhas,
LocFinal = totalLinhasBest,
CaracteresOriginal = totalchars,
CaracteresFinal = totalcharsBest,
Diferencas = resultadoComparacao
});
}
}
return rodadas;
}
private void MakeDiffPangoMarkup()
{
var d = new Differ ();
var differ = new SideBySideFullDiffBuilder(d);
var diffRes = differ.BuildDiffModel(OldValue, NewValue);
OldPangoText = PangoRender.RenderDiffLines (diffRes.OldText);
NewPangoText = PangoRender.RenderDiffLines (diffRes.NewText);
isPangoMade = true;
}
// 创建展示两个 OPAC 记录差异的 HTML 字符串
// parameters:
// strNewText 如果为 ""，表示内容全部被删除，依然会输出对照格式；如果为 null，表示只输出左边的部分
// return:
// -1 出错
// 0 成功。两边相等
// 1 两边不相等
public static int DiffOpacHtml(
string strOldText,
string strNewText,
out string strHtml,
out string strError)
{
strError = "";
strHtml = "";
if (string.IsNullOrEmpty(strOldText) == true && string.IsNullOrEmpty(strNewText) == true)
return 0;
var marc_differ = new Differ();
var marc_builder = new SideBySideDiffBuilder(marc_differ);
var marc_diff_result = marc_builder.BuildDiffModel(strOldText,
strNewText == null? "" : strNewText);
Debug.Assert(marc_diff_result.OldText.Lines.Count == marc_diff_result.NewText.Lines.Count, "");
/*
public enum ChangeType
{
Unchanged,
Deleted,
Inserted,
Imaginary,
Modified
}
* */
bool bChanged = false;
StringBuilder strResult = new StringBuilder("\r\n<table class='marc'>", 4096);
for (int index = 0; index < marc_diff_result.NewText.Lines.Count; index++)
{
var newline = marc_diff_result.NewText.Lines[index];
var oldline = marc_diff_result.OldText.Lines[index];
if (string.IsNullOrEmpty(newline.Text) == true
&& string.IsNullOrEmpty(oldline.Text) == true)
continue;
if (oldline.Type != ChangeType.Unchanged
|| newline.Type != ChangeType.Unchanged)
bChanged = true;
string strLineClass = "datafield";
if (strNewText == null)
{
strResult.Append("\r\n<tr class='" + strLineClass + "'>");
// 创建一个字段的 HTML 局部 三个 <td>
strResult.Append(BuildOpacFieldHtml(ChangeType.Unchanged, oldline.Text));
strResult.Append("\r\n</tr>");
continue;
}
strResult.Append("\r\n<tr class='" + strLineClass + "'>");
// 创建一个字段的 HTML 局部 三个 <td>
strResult.Append(BuildOpacFieldHtml(oldline.Type, oldline.Text));
strResult.Append(SEP);
strResult.Append(BuildOpacFieldHtml(newline.Type, newline.Text));
strResult.Append("\r\n</tr>");
}
strResult.Append("</table>");
strHtml = strResult.ToString();
if (bChanged == false)
return 0;
return 1;
}
static string DiffXml(
int nLevel,
string strOldFragmentXml,
XmlNodeType old_nodetype,
string strNewFragmentXml,
XmlNodeType new_nodetype)
{
if (string.IsNullOrEmpty(strOldFragmentXml) == true && string.IsNullOrEmpty(strNewFragmentXml) == true)
return "";
if (old_nodetype != XmlNodeType.Element || new_nodetype != XmlNodeType.Element)
{
if (old_nodetype == XmlNodeType.Element)
strOldFragmentXml = GetIndentXml(strOldFragmentXml);
if (new_nodetype == XmlNodeType.Element)
strNewFragmentXml = GetIndentXml(strNewFragmentXml);
return GetPlanTextDiffHtml(
nLevel,
strOldFragmentXml,
strNewFragmentXml);
}
string strOldChildren = "";
string strOldBegin = "";
string strOldEnd = "";
List<XmlNode> old_childnodes = null;
string strOldElementName = "";
GetComparableXmlString(strOldFragmentXml,
out strOldChildren,
out old_childnodes,
out strOldElementName,
out strOldBegin,
out strOldEnd);
string strNewChildren = "";
string strNewBegin = "";
string strNewEnd = "";
List<XmlNode> new_childnodes = null;
string strNewElementName = "";
GetComparableXmlString(strNewFragmentXml,
out strNewChildren,
out new_childnodes,
out strNewElementName,
out strNewBegin,
out strNewEnd);
bool bSpecialCompare = false; // 是否属于特殊情况： 根元素名不相同，但仍需要比较下级
if (strOldElementName != strNewElementName
&& nLevel == 0)
bSpecialCompare = true;
if (strOldElementName != strNewElementName && bSpecialCompare == false)
{
// 元素名不一样了并且不是根级别，就没有必要做细节比较了
// 意思是说如果是根级别，即便根元素名不一样，也要比较其下级
if (old_nodetype == XmlNodeType.Element)
strOldFragmentXml = GetIndentXml(strOldFragmentXml);
if (new_nodetype == XmlNodeType.Element)
strNewFragmentXml = GetIndentXml(strNewFragmentXml);
return GetPlanTextDiffHtml(
nLevel,
strOldFragmentXml,
strNewFragmentXml);
}
string strLineClass = "datafield";
StringBuilder strResult = new StringBuilder(4096);
if (nLevel > 0 || bSpecialCompare == true)
{
ChangeType begin_type = ChangeType.Unchanged;
if (strOldBegin != strNewBegin)
begin_type = ChangeType.Modified;
// Begin
strResult.Append("\r\n<tr class='" + strLineClass + "'>");
strResult.Append(BuildFragmentFieldHtml(nLevel, begin_type, strOldBegin));
strResult.Append(SEP);
strResult.Append(BuildFragmentFieldHtml(nLevel, begin_type, strNewBegin));
strResult.Append("\r\n</tr>");
}
// return "\r\n<td class='content' colspan='3'></td>";
if (string.IsNullOrEmpty(strOldChildren) == false || string.IsNullOrEmpty(strNewChildren) == false)
{
var xml_differ = new Differ();
var xml_builder = new SideBySideDiffBuilder(xml_differ);
var xml_diff_result = xml_builder.BuildDiffModel(strOldChildren, strNewChildren);
Debug.Assert(xml_diff_result.OldText.Lines.Count == xml_diff_result.NewText.Lines.Count, "");
int old_index = 0;
int new_index = 0;
for (int index = 0; index < xml_diff_result.NewText.Lines.Count; index++)
{
var newline = xml_diff_result.NewText.Lines[index];
var oldline = xml_diff_result.OldText.Lines[index];
XmlNode new_node = null;
if (newline.Type != ChangeType.Imaginary)
new_node = new_childnodes[new_index++];
XmlNode old_node = null;
if (oldline.Type != ChangeType.Imaginary)
old_node = old_childnodes[old_index++];
if (newline.Type == ChangeType.Modified)
{
strResult.Append(DiffXml(nLevel + 1,
oldline.Text,
old_node.NodeType,
newline.Text,
new_node.NodeType));
continue;
}
string strOldText = "";
if (old_node != null && old_node.NodeType == XmlNodeType.Element)
strOldText = GetIndentXml(oldline.Text);
else
strOldText = oldline.Text;
string strNewText = "";
if (new_node != null && new_node.NodeType == XmlNodeType.Element)
strNewText = GetIndentXml(newline.Text);
else
strNewText = newline.Text;
strResult.Append("\r\n<tr class='" + strLineClass + "'>");
// 创建一个 XML 字段的 HTML 局部 三个 <td>
strResult.Append(BuildFragmentFieldHtml(nLevel + 1, oldline.Type, strOldText));
strResult.Append(SEP);
strResult.Append(BuildFragmentFieldHtml(nLevel + 1, newline.Type, strNewText));
strResult.Append("\r\n</tr>");
}
}
if (nLevel > 0 || bSpecialCompare == true)
{
ChangeType end_type = ChangeType.Unchanged;
if (strOldEnd != strNewEnd)
end_type = ChangeType.Modified;
// End
strResult.Append("\r\n<tr class='" + strLineClass + "'>");
strResult.Append(BuildFragmentFieldHtml(nLevel, end_type, strOldEnd));
strResult.Append(SEP);
strResult.Append(BuildFragmentFieldHtml(nLevel, end_type, strNewEnd));
strResult.Append("\r\n</tr>");
}
return strResult.ToString();
}
private void ProcessDiff(string original, string myVersion, string newVersion)
{
// Do a line-by-line diff, marking changed line groups.
// Also, find intersecting diffs and mark them as conflicted changes for resolution.
var d = new Differ();
var diffs = new DiffResult[2] {
d.CreateLineDiffs(original, myVersion ?? "", false),
d.CreateLineDiffs(original, newVersion ?? "", false)
};
string[][] newPieces = new string[2][];
newPieces[0] = diffs[0].PiecesNew;
newPieces[1] = diffs[1].PiecesNew;
if (myVersion == "") newPieces[0] = new string[] { "" };
if (newVersion == "") newPieces[1] = new string[] { "" };
var dblocks = new List<Tuple<DiffBlock, int>>();
for (int side = 0; side < 2; side++) {
foreach (var block in diffs[side].DiffBlocks) {
DiffBlock actualBlock = block;
if (diffs[side].PiecesNew.Length == 0 && block.InsertCountB == 0 && block.InsertStartB == 0) {
actualBlock = new DiffBlock(block.DeleteStartA, block.DeleteCountA, 0, 1);
}
dblocks.Add(new Tuple<DiffBlock, int>(actualBlock, side));
}
}
dblocks.Sort((a, b) => a.Item1.DeleteStartA.CompareTo(b.Item1.DeleteStartA));
content = new List<LineBlock>[2];
for (int i = 0; i < 2; i++) {
content[i] = new List<LineBlock>();
}
conflictOrigBlocks = new List<LineBlock>();
string[] origLines = diffs[0].PiecesOld;
int nextOriginalLine = 0;
for (int i = 0; i < dblocks.Count; ) {
DiffBlock block = dblocks[i].Item1;
int owner = dblocks[i].Item2;
// Add unchanged (original) lines.
if (block.DeleteStartA > nextOriginalLine) {
foreach (var lineBlocks in content) {
lineBlocks.Add(new LineBlock(Util.ArraySlice(origLines, nextOriginalLine, block.DeleteStartA - nextOriginalLine)));
}
nextOriginalLine = block.DeleteStartA;
}
int rangeStart = block.DeleteStartA;
int rangeEnd = rangeStart + block.DeleteCountA;
int j = i;
// If this change intersects any other changes, then merge them together to form a block.
while (j < dblocks.Count && dblocks[j].Item1.DeleteStartA <= rangeEnd) {
rangeEnd = Math.Max(rangeEnd, dblocks[j].Item1.DeleteStartA + dblocks[j].Item1.DeleteCountA);
j++;
}
if (j == i + 1) {
// A regular change.
var oldBlock = new LineBlock(Util.ArraySlice(diffs[owner].PiecesOld, block.DeleteStartA, block.DeleteCountA), BlockType.ChangeDelete);
var newBlock = new LineBlock(Util.ArraySlice(newPieces[owner], block.InsertStartB, block.InsertCountB), BlockType.ChangeAdd);
if (block.DeleteCountA != 0 && block.InsertCountB != 0) {
oldBlock.type = BlockType.Conflict;
newBlock.type = BlockType.Conflict;
} else if (block.DeleteCountA == 0) {
oldBlock.type = BlockType.Blank;
} else if (block.InsertCountB == 0) {
newBlock.type = BlockType.Blank;
} // can't both be empty!
ProcessBlockDiff(oldBlock, newBlock);
content[owner].Add(newBlock);
content[1 - owner].Add(oldBlock);
conflictOrigBlocks.Add(owner == 0 ? newBlock : oldBlock);
} else {
// Create a change block.
for (int side = 0; side < 2; side++) {
int curOriginalLine = rangeStart;
var conflictBlock = new LineBlock();
var origBlock = new LineBlock();
conflictBlock.type = BlockType.Conflict;
for (int k = i; k < j; k++) {
DiffBlock subBlock = dblocks[k].Item1;
if (dblocks[k].Item2 != side) continue;
if (subBlock.DeleteStartA > curOriginalLine) {
conflictBlock.AddLines(Util.ArraySlice(origLines, curOriginalLine, subBlock.DeleteStartA - curOriginalLine));
}
curOriginalLine = subBlock.DeleteStartA + subBlock.DeleteCountA;
var oldBlock = new LineBlock(Util.ArraySlice(diffs[side].PiecesOld, subBlock.DeleteStartA, subBlock.DeleteCountA), BlockType.ChangeDelete);
var newBlock = new LineBlock(Util.ArraySlice(newPieces[side], subBlock.InsertStartB, subBlock.InsertCountB), BlockType.ChangeAdd);
ProcessBlockDiff(oldBlock, newBlock, false);
origBlock.Append(oldBlock);
conflictBlock.Append(newBlock);
}
if (rangeEnd > curOriginalLine) {
conflictBlock.AddLines(Util.ArraySlice(origLines, curOriginalLine, rangeEnd - curOriginalLine));
}
if (conflictBlock.lines.Count == 0) {
conflictBlock.type = BlockType.ChangeDelete;
}
content[side].Add(conflictBlock);
if (side == 0) {
conflictOrigBlocks.Add(origBlock);
}
}
int last = content[0].Count - 1;
if (content[0][last].ToString() == content[1][last].ToString()) {
// Not actually a conflict if they're both the same change.
if (content[0][last].lines.Count == 0) {
// If both are deleted, just show nothing.
content[0].RemoveAt(last);
content[1].RemoveAt(last);
} else {
// Make them normal blocks.
content[0][last] = new LineBlock(content[0][last].lines.Select(x => x.ToString()).ToArray());
content[1][last] = new LineBlock(content[1][last].lines.Select(x => x.ToString()).ToArray());
}
conflictOrigBlocks.RemoveAt(conflictOrigBlocks.Count - 1);
}
}
nextOriginalLine = rangeEnd;
i = j;
}
// Add any remaining unchanged lines.
if (origLines.Length > nextOriginalLine) {
foreach (var lineBlocks in content) {
lineBlocks.Add(new LineBlock(Util.ArraySlice(origLines, nextOriginalLine, origLines.Length - nextOriginalLine)));
}
}
origBlocks = new LineBlock[2][];
origBlocks[0] = new LineBlock[content[0].Count];
origBlocks[1] = new LineBlock[content[1].Count];
content[0].CopyTo(origBlocks[0]);
content[1].CopyTo(origBlocks[1]);
}
// 创建展示两个 MARC 记录差异的 HTML 字符串
// return:
// -1 出错
// 0 成功
public static int DiffHtml(
string strOldTitle,
string strOldMarc,
string strOldFragmentXml,
string strOldImageFragment,
string strNewTitle,
string strNewMarc,
string strNewFragmentXml,
string strNewImageFragment,
out string strHtml,
out string strError)
{
strError = "";
strHtml = "";
// int nRet = 0;
if (string.IsNullOrEmpty(strOldMarc) == true && string.IsNullOrEmpty(strNewMarc) == true)
return 0;
string strOldHeader = "";
string strNewHeader = "";
string strOldBody = "";
string strNewBody = "";
SplitMarc(strOldMarc,
out strOldHeader,
out strOldBody);
SplitMarc(strNewMarc,
out strNewHeader,
out strNewBody);
if (strOldHeader.Length < 24)
strOldHeader = strOldHeader.PadRight(24, '?');
if (strNewHeader.Length < 24)
strNewHeader = strNewHeader.PadRight(24, '?');
var marc_differ = new MarcDiffer();
var marc_builder = new MarcDiffBuilder(marc_differ);
var marc_diff_result = marc_builder.BuildDiffModel(strOldBody, strNewBody);
Debug.Assert(marc_diff_result.OldText.Lines.Count == marc_diff_result.NewText.Lines.Count, "");
/*
public enum ChangeType
{
Unchanged,
Deleted,
Inserted,
Imaginary,
Modified
}
* */
StringBuilder strResult = new StringBuilder("\r\n<table class='marc'>", 4096);
if (string.IsNullOrEmpty(strOldTitle) == false
|| string.IsNullOrEmpty(strNewTitle) == false)
{
string strLineClass = "header";
strResult.Append("\r\n<tr class='" + strLineClass + "'>");
strResult.Append(BuildHeaderHtml(false, strOldTitle));
strResult.Append(SEP);
strResult.Append(BuildHeaderHtml(false, strNewTitle));
strResult.Append("\r\n</tr>");
}
{
string strLineClass = "header";
bool bModified = strOldHeader != strNewHeader;
strResult.Append("\r\n<tr class='" + strLineClass + "'>");
strResult.Append(BuildHeaderHtml(bModified, strOldHeader));
strResult.Append(SEP);
strResult.Append(BuildHeaderHtml(bModified, strNewHeader));
strResult.Append("\r\n</tr>");
}
if (string.IsNullOrEmpty(strOldImageFragment) == false
|| string.IsNullOrEmpty(strNewImageFragment) == false)
{
string strLineClass = "header";
strResult.Append("\r\n<tr class='" + strLineClass + "'>");
strResult.Append(GetImageHtml(strOldImageFragment));
strResult.Append(SEP);
strResult.Append(GetImageHtml(strNewImageFragment));
strResult.Append("\r\n</tr>");
}
for (int index = 0; index < marc_diff_result.NewText.Lines.Count; index++)
{
var newline = marc_diff_result.NewText.Lines[index];
var oldline = marc_diff_result.OldText.Lines[index];
if (string.IsNullOrEmpty(newline.Text) == true
&& string.IsNullOrEmpty(oldline.Text) == true)
continue;
string strLineClass = "datafield";
strResult.Append("\r\n<tr class='" + strLineClass + "'>");
// 创建一个字段的 HTML 局部 三个 <td>
strResult.Append(BuildFieldHtml( oldline.Type, oldline.Text));
strResult.Append(SEP);
strResult.Append(BuildFieldHtml(newline.Type, newline.Text));
strResult.Append("\r\n</tr>");
#if NO
if (newline.Type == ChangeType.Unchanged)
{
}
else if (newline.Type == ChangeType.Inserted)
{
}
else if (newline.Type == ChangeType.Modified)
{
}
else if (oldline.Type == ChangeType.Deleted)
{
}
#endif
}
#if NO
if (string.IsNullOrEmpty(strOldFragmentXml) == false || string.IsNullOrEmpty(strNewFragmentXml) == false)
{
var xml_differ = new Differ();
var xml_builder = new SideBySideDiffBuilder(xml_differ);
var xml_diff_result = xml_builder.BuildDiffModel(GetComparableXmlString(strOldFragmentXml), GetComparableXmlString(strNewFragmentXml));
Debug.Assert(xml_diff_result.OldText.Lines.Count == xml_diff_result.NewText.Lines.Count, "");
for (int index = 0; index < xml_diff_result.NewText.Lines.Count; index++)
{
var newline = xml_diff_result.NewText.Lines[index];
var oldline = xml_diff_result.OldText.Lines[index];
string strLineClass = "datafield";
if (newline.Type == ChangeType.Modified)
{
}
strResult.Append("\r\n<tr class='" + strLineClass + "'>");
// 创建一个 XML 字段的 HTML 局部 三个 <td>
strResult.Append(BuildFragmentFieldHtml(oldline.Type, oldline.Text));
strResult.Append(SEP);
strResult.Append(BuildFragmentFieldHtml(newline.Type, newline.Text));
strResult.Append("\r\n</tr>");
}
}
#endif
if (string.IsNullOrEmpty(strOldFragmentXml) == false || string.IsNullOrEmpty(strNewFragmentXml) == false)
{
string strLineClass = "sepline";
strResult.Append("\r\n<tr class='" + strLineClass + "'>");
strResult.Append("<td class='sepline' colspan='3'> </td>");
strResult.Append("<td class='cross'> </td>");
strResult.Append("<td class='sepline' colspan='3'> </td>");
strResult.Append("\r\n</tr>");
}
strResult.Append(DiffXml(
0,
strOldFragmentXml,
XmlNodeType.Element,
strNewFragmentXml,
XmlNodeType.Element));
strResult.Append("</table>");
strHtml = strResult.ToString();
return 0;
}