DIffer: a reusable C# diffing utility and class library

David Hovel

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30 Apr 20054 min read

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Flexible C# directory tree comparison utility.

differproject.zip
- Differ
  - CodeComments
    - banner.htm
    - banner.jpg
    - CodeCommentReportError.htm
    - commentreport.css
    - darkcorner.jpg
    - DiffCalc
      - CWP0.HTM
      - CWP10.HTM
      - CWP11.HTM
      - CWP12.HTM
      - CWP13.HTM
      - CWP14.HTM
      - CWP15.HTM
      - CWP16.HTM
      - CWP17.HTM
      - CWP18.HTM
      - CWP19.HTM
      - CWP2.HTM
      - CWP20.HTM
      - CWP21.HTM
      - CWP22.HTM
      - CWP23.HTM
      - CWP24.HTM
      - CWP25.HTM
      - CWP26.HTM
      - CWP27.HTM
      - CWP28.HTM
      - CWP29.HTM
      - CWP3.HTM
      - CWP30.HTM
      - CWP31.HTM
      - CWP32.HTM
      - CWP33.HTM
      - CWP34.HTM
      - CWP35.HTM
      - CWP36.HTM
      - CWP37.HTM
      - CWP38.HTM
      - CWP39.HTM
      - CWP4.HTM
      - CWP40.HTM
      - CWP41.HTM
      - CWP42.HTM
      - CWP43.HTM
      - CWP44.HTM
      - CWP45.HTM
      - CWP46.HTM
      - CWP47.HTM
      - CWP48.HTM
      - CWP49.HTM
      - CWP5.HTM
      - CWP50.HTM
      - CWP51.HTM
      - CWP52.HTM
      - CWP53.HTM
      - CWP54.HTM
      - CWP55.HTM
      - CWP56.HTM
      - CWP57.HTM
      - CWP58.HTM
      - CWP59.HTM
      - CWP6.HTM
      - CWP7.HTM
      - CWP8.HTM
      - CWP9.HTM
      - DiffCalc.HTM
    - Differ
      - CWP0.HTM
      - CWP10.HTM
      - CWP100.HTM
      - CWP101.HTM
      - CWP102.HTM
      - CWP103.HTM
      - CWP104.HTM
      - CWP105.HTM
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      - CWP11.HTM
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      - CWP16.HTM
      - CWP160.HTM
      - CWP161.HTM
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      - CWP164.HTM
      - CWP165.HTM
      - CWP166.HTM
      - CWP168.HTM
      - CWP169.HTM
      - CWP170.HTM
      - CWP172.HTM
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      - CWP175.HTM
      - CWP176.HTM
      - CWP177.HTM
      - CWP179.HTM
      - CWP18.HTM
      - CWP180.HTM
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      - CWP182.HTM
      - CWP183.HTM
      - CWP184.HTM
      - CWP185.HTM
      - CWP186.HTM
      - CWP19.HTM
      - CWP2.HTM
      - CWP20.HTM
      - CWP21.HTM
      - CWP22.HTM
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      - CWP24.HTM
      - CWP25.HTM
      - CWP26.HTM
      - CWP27.HTM
      - CWP28.HTM
      - CWP29.HTM
      - CWP3.HTM
      - CWP30.HTM
      - CWP31.HTM
      - CWP32.HTM
      - CWP33.HTM
      - CWP34.HTM
      - CWP35.HTM
      - CWP36.HTM
      - CWP37.HTM
      - CWP38.HTM
      - CWP39.HTM
      - CWP4.HTM
      - CWP40.HTM
      - CWP41.HTM
      - CWP42.HTM
      - CWP43.HTM
      - CWP44.HTM
      - CWP45.HTM
      - CWP46.HTM
      - CWP47.HTM
      - CWP48.HTM
      - CWP49.HTM
      - CWP5.HTM
      - CWP50.HTM
      - CWP51.HTM
      - CWP52.HTM
      - CWP53.HTM
      - CWP54.HTM
      - CWP55.HTM
      - CWP56.HTM
      - CWP57.HTM
      - CWP58.HTM
      - CWP59.HTM
      - CWP6.HTM
      - CWP60.HTM
      - CWP61.HTM
      - CWP62.HTM
      - CWP63.HTM
      - CWP64.HTM
      - CWP65.HTM
      - CWP66.HTM
      - CWP67.HTM
      - CWP68.HTM
      - CWP69.HTM
      - CWP7.HTM
      - CWP70.HTM
      - CWP71.HTM
      - CWP72.HTM
      - CWP73.HTM
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      - CWP76.HTM
      - CWP77.HTM
      - CWP78.HTM
      - CWP79.HTM
      - CWP8.HTM
      - CWP80.HTM
      - CWP81.HTM
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      - CWP86.HTM
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      - CWP9.HTM
      - CWP90.HTM
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      - CWP94.HTM
      - CWP95.HTM
      - CWP96.HTM
      - CWP97.HTM
      - CWP98.HTM
      - CWP99.HTM
      - Differ.HTM
    - DifferenceEngine
      - CWP0.HTM
      - CWP10.HTM
      - CWP100.HTM
      - CWP101.HTM
      - CWP102.HTM
      - CWP11.HTM
      - CWP12.HTM
      - CWP13.HTM
      - CWP14.HTM
      - CWP16.HTM
      - CWP17.HTM
      - CWP18.HTM
      - CWP2.HTM
      - CWP20.HTM
      - CWP21.HTM
      - CWP22.HTM
      - CWP23.HTM
      - CWP24.HTM
      - CWP25.HTM
      - CWP26.HTM
      - CWP27.HTM
      - CWP28.HTM
      - CWP29.HTM
      - CWP3.HTM
      - CWP30.HTM
      - CWP31.HTM
      - CWP32.HTM
      - CWP33.HTM
      - CWP34.HTM
      - CWP35.HTM
      - CWP36.HTM
      - CWP37.HTM
      - CWP38.HTM
      - CWP39.HTM
      - CWP4.HTM
      - CWP40.HTM
      - CWP41.HTM
      - CWP42.HTM
      - CWP43.HTM
      - CWP44.HTM
      - CWP46.HTM
      - CWP47.HTM
      - CWP48.HTM
      - CWP49.HTM
      - CWP5.HTM
      - CWP50.HTM
      - CWP51.HTM
      - CWP52.HTM
      - CWP53.HTM
      - CWP54.HTM
      - CWP55.HTM
      - CWP56.HTM
      - CWP57.HTM
      - CWP58.HTM
      - CWP59.HTM
      - CWP6.HTM
      - CWP60.HTM
      - CWP62.HTM
      - CWP63.HTM
      - CWP64.HTM
      - CWP65.HTM
      - CWP66.HTM
      - CWP67.HTM
      - CWP68.HTM
      - CWP69.HTM
      - CWP7.HTM
      - CWP70.HTM
      - CWP71.HTM
      - CWP72.HTM
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      - CWP94.HTM
      - CWP95.HTM
      - CWP96.HTM
      - CWP97.HTM
      - CWP98.HTM
      - CWP99.HTM
      - DifferenceEngine.HTM
    - gradleft.jpg
    - gradtop.jpg
    - graycorner.jpg
    - minus.jpg
    - plus.jpg
    - Solution_Differ.HTM
    - titletile.jpg
    - vt.js
    - ZipParams
      - CWP0.HTM
      - CWP10.HTM
      - CWP11.HTM
      - CWP13.HTM
      - CWP14.HTM
      - CWP15.HTM
      - CWP16.HTM
      - CWP17.HTM
      - CWP19.HTM
      - CWP2.HTM
      - CWP20.HTM
      - CWP21.HTM
      - CWP22.HTM
      - CWP23.HTM
      - CWP24.HTM
      - CWP25.HTM
      - CWP26.HTM
      - CWP27.HTM
      - CWP28.HTM
      - CWP29.HTM
      - CWP3.HTM
      - CWP30.HTM
      - CWP31.HTM
      - CWP32.HTM
      - CWP33.HTM
      - CWP34.HTM
      - CWP35.HTM
      - CWP36.HTM
      - CWP37.HTM
      - CWP38.HTM
      - CWP39.HTM
      - CWP4.HTM
      - CWP40.HTM
      - CWP41.HTM
      - CWP42.HTM
      - CWP43.HTM
      - CWP44.HTM
      - CWP45.HTM
      - CWP46.HTM
      - CWP47.HTM
      - CWP48.HTM
      - CWP49.HTM
      - CWP5.HTM
      - CWP50.HTM
      - CWP51.HTM
      - CWP52.HTM
      - CWP53.HTM
      - CWP54.HTM
      - CWP55.HTM
      - CWP56.HTM
      - CWP57.HTM
      - CWP58.HTM
      - CWP59.HTM
      - CWP6.HTM
      - CWP60.HTM
      - CWP61.HTM
      - CWP62.HTM
      - CWP63.HTM
      - CWP64.HTM
      - CWP65.HTM
      - CWP66.HTM
      - CWP67.HTM
      - CWP68.HTM
      - CWP69.HTM
      - CWP7.HTM
      - CWP70.HTM
      - CWP8.HTM
      - CWP9.HTM
      - ZipParams.HTM
  - Dest.txt
  - DiffCalc
    - App.ico
    - AssemblyInfo.cs
    - bin
    - BinaryResults.cs
    - BinaryResults.resx
    - DiffCalc.csproj
    - DiffCalc.csproj.user
    - DiffCalc.sln
    - keep
      - DiffTextFile.cs
    - Main.cs
    - Main.resx
    - Results.cs
    - Results.resx
  - Differ.sln
  - Differ
    - App.ico
    - AssemblyInfo.cs
    - bin
    - Differ.csproj
    - Differ.csproj.user
    - DifferCore.cs
    - DifferMain.cs
    - differParams.xml
    - W32Helper.cs
  - DifferenceEngine
    - AssemblyInfo.cs
    - bin
    - BinaryFile.cs
    - CharData.cs
    - DifferenceEngine.csproj
    - DifferenceEngine.csproj.user
    - Engine.cs
    - Structures.cs
    - TextFile.cs
  - source.txt
- ZipParams
  - AssemblyInfo.cs
  - AssemblyInfo.cs.old
  - bin
  - zipparams.cs
  - ZipParams.csproj
  - ZipParams.csproj.user
differdemo.zip
- Differ.exe
- DifferenceEngine.dll
- differParams.xml
- ZipParams.dll

<!-- saved from url=(0007)http:// -->
<HTML>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=UTF-8">
<TITLE>ZipParams.PatternCollection</TITLE>
<LINK REL=STYLESHEET HREF="../CommentReport.css" TYPE="text/css">
</HEAD>
<BODY topmargin=0 rightmargin=0 leftmargin=0 style="background-image: url(../titletile.jpg); background-repeat:repeat-x; background-position: 0 0;" >
<DIV CLASS="PageHeading">ZipParams.PatternCollection Class</DIV>
<DIV CLASS="Description">

Container class for file/directory patterns to ignore in various utilities.
<br>Maintains indepenent collections of:<br>
<br>Directories to ignore
<br>File extensions to ignore
<br>File names to ignore
<br>File content hints (text vs. non-text) for diffing
<br>
Every collection is an ArrayList, and every element is a PatternItem.
Every pattern item specifies its usage (file, directory or extension),
a path or extension string and a flag to indicate if the string is a 
regular expression.
<P>

</DIV>
<IMG src="../GradLeft.jpg" width=7 height=378 alt="" border="0" style="position:absolute; left:10; top:18;z-Index:2">
<IMG src="../GradTop.jpg" width=352 height=7 alt="" border="0" align="top" style="position:absolute; left:10; top:18; z-index:1">
<DIV CLASS="Remarks">
<SPAN CLASS="RemarkHdrX">Access: </SPAN>Public</DIV>
<DIV CLASS="Remarks">
<SPAN CLASS="RemarkHdrX">Base Classes: </SPAN>Object</DIV>
<TABLE CLASS="InfoTable" cellpadding=0 cellspacing=0>
<TR height=20>
<TD width=20>&nbsp;</TD>
<TD valign=top align=left width=9 bgcolor="#cccc66"><IMG SRC="../graycorner.jpg" align=top></TD>
<TD CLASS="TableLightLabel" WIDTH=206>Members</TD>
<TD CLASS="TableLightLabel" >Description</TD>
<TD width=20>&nbsp;</TD>
</TR>
<TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP4.HTM" TARGET="CNTFRAME">alIgnoreDirs</A></TD>
<TD CLASS="TableLightDesc">
Array of directory patterns to ignore
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP5.HTM" TARGET="CNTFRAME">alIgnoreExts</A></TD>
<TD CLASS="TableLightDesc">
Array of extension patterns to ignore
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP6.HTM" TARGET="CNTFRAME">alIgnoreFiles</A></TD>
<TD CLASS="TableLightDesc">
Array of file name patterns to ignore
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP7.HTM" TARGET="CNTFRAME">alExtensionTypes</A></TD>
<TD CLASS="TableLightDesc">
File content patterns by extension
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP8.HTM" TARGET="CNTFRAME">bInSync</A></TD>
<TD CLASS="TableLightDesc">
Are the REs in sync with the collections?
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP9.HTM" TARGET="CNTFRAME">PatternItem</A></TD>
<TD CLASS="TableLightDesc">
Generic class for a file naming pattern
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP50.HTM" TARGET="CNTFRAME">PatternCollection</A></TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP51.HTM" TARGET="CNTFRAME">Default</A></TD>
<TD CLASS="TableLightDesc">
Create a default pattern collection
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP52.HTM" TARGET="CNTFRAME">IgnoredDirectories</A></TD>
<TD CLASS="TableLightDesc">
Array of ignored directories
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP54.HTM" TARGET="CNTFRAME">IgnoredExtensions</A></TD>
<TD CLASS="TableLightDesc">
Array of ignored extensions
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP56.HTM" TARGET="CNTFRAME">IgnoredFiles</A></TD>
<TD CLASS="TableLightDesc">
Array of ignored files
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP58.HTM" TARGET="CNTFRAME">ExtensionTypes</A></TD>
<TD CLASS="TableLightDesc">
Array of content info by extension
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP60.HTM" TARGET="CNTFRAME">AddIgnoreDirectory</A></TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP61.HTM" TARGET="CNTFRAME">AddIgnoreFile</A></TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP62.HTM" TARGET="CNTFRAME">AddIgnoreExtension</A></TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP63.HTM" TARGET="CNTFRAME">AddExtensionType</A></TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP64.HTM" TARGET="CNTFRAME">ExtensionType</A></TD>
<TD CLASS="TableLightDesc">
Given an extension string (with period), return the declared content type of the file
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP65.HTM" TARGET="CNTFRAME">IgnoreExtension</A></TD>
<TD CLASS="TableLightDesc">
Given an extension string (with perioed), return true of such files are to be ignored
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP66.HTM" TARGET="CNTFRAME">IgnoreFile</A></TD>
<TD CLASS="TableLightDesc">
Given a file's path string, return true if the file should be ignored.
First the extension is tested, then the file name string.
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP67.HTM" TARGET="CNTFRAME">IgnoreDirectory</A></TD>
<TD CLASS="TableLightDesc">
Given a relative directory path (e.g., ".\mydir\subdir\subsubdir"),
determine if the directory should be ignored.  If directory match criterion
is a regular expression, the entire string is used; otherwise, only the 
"tail" (lowest directory name) is matched as a string. The directory
string never has a terminating backslash ('\').
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP68.HTM" TARGET="CNTFRAME">Save</A></TD>
<TD CLASS="TableLightDesc">
Save the contents of the parameter set into an XML output file
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP69.HTM" TARGET="CNTFRAME">Load</A></TD>
<TD CLASS="TableLightDesc">
Load an XML parameter file
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR><TR height=20>
<TD width=20>&nbsp;</TD>
<TD CLASS="TableLightDesc">&nbsp;</TD>
<TD CLASS="TableLightDesc"><A HREF="CWP70.HTM" TARGET="CNTFRAME">SyncPatterns</A></TD>
<TD CLASS="TableLightDesc">
Guarantee that changed patterns are recompiled.
<P>
</TD>
<TD width=20>&nbsp;</TD>
</TR></TABLE>
</BODY>
</HTML>

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Written By

David Hovel

Virgin Islands (U.S.)

This member has not yet provided a Biography. Assume it's interesting and varied, and probably something to do with programming.

DIffer: a reusable C# diffing utility and class library

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