/home/mrjunejune/zenbu: third_party/sqlite3/Replace.cs comparison

comparison third_party/sqlite3/Replace.cs @ 167:589bab390fb4

[ThirdParty] Added sqlite3 to the third_party.

author	MrJuneJune <me@mrjunejune.com>
date	Mon, 19 Jan 2026 16:28:45 -0800
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+:589bab390fb4
+/*
+** 2016 February 26
+**
+** The author disclaims copyright to this source code.  In place of
+** a legal notice, here is a blessing:
+**
+**    May you do good and not evil.
+**    May you find forgiveness for yourself and forgive others.
+**    May you share freely, never taking more than you give.
+**
+*************************************************************************
+** This file contains C# code to perform regular expression replacements
+** using the standard input and output channels.
+*/
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Text.RegularExpressions;
+///////////////////////////////////////////////////////////////////////////////
+#region Assembly Metadata
+[assembly: AssemblyTitle("Replace Tool")]
+[assembly: AssemblyDescription("Replace text using standard input/output.")]
+[assembly: AssemblyCompany("SQLite Development Team")]
+[assembly: AssemblyProduct("SQLite")]
+[assembly: AssemblyCopyright("Public Domain")]
+[assembly: ComVisible(false)]
+[assembly: Guid("95a0513f-8863-48cd-a76f-cb80868cb578")]
+[assembly: AssemblyVersion("1.0.*")]
+#if DEBUG
+[assembly: AssemblyConfiguration("Debug")]
+#else
+[assembly: AssemblyConfiguration("Release")]
+#endif
+#endregion
+///////////////////////////////////////////////////////////////////////////////
+namespace Replace
+{
+/// <summary>
+/// This enumeration is used to represent all the possible exit codes from
+/// this tool.
+/// </summary>
+internal enum ExitCode
+{
+/// <summary>
+/// The file download was a success.
+/// </summary>
+Success = 0,
+/// <summary>
+/// The command line arguments are missing (i.e. null).  Generally,
+/// this should not happen.
+/// </summary>
+MissingArgs = 1,
+/// <summary>
+/// The wrong number of command line arguments was supplied.
+/// </summary>
+WrongNumArgs = 2,
+/// <summary>
+/// The "matchingOnly" flag could not be converted to a value of the
+/// <see cref="Boolean"/> type.
+/// </summary>
+BadMatchingOnlyFlag = 3,
+/// <summary>
+/// An exception was caught in <see cref="Main" />.  Generally, this
+/// should not happen.
+/// </summary>
+Exception = 4
+}
+///////////////////////////////////////////////////////////////////////////
+internal static class Replace
+{
+#region Private Support Methods
+/// <summary>
+/// This method displays an error message to the console and/or
+/// displays the command line usage information for this tool.
+/// </summary>
+/// <param name="message">
+/// The error message to display, if any.
+/// </param>
+/// <param name="usage">
+/// Non-zero to display the command line usage information.
+/// </param>
+private static void Error(
+string message,
+bool usage
+)
+{
+if (message != null)
+Console.WriteLine(message);
+string fileName = Path.GetFileName(
+Process.GetCurrentProcess().MainModule.FileName);
+Console.WriteLine(String.Format(
+"usage: {0} <regExPattern> <regExSubSpec> <matchingOnly>",
+fileName));
+}
+#endregion
+///////////////////////////////////////////////////////////////////////
+#region Program Entry Point
+/// <summary>
+/// This is the entry-point for this tool.  It handles processing the
+/// command line arguments, reading from the standard input channel,
+/// replacing any matching lines of text, and writing to the standard
+/// output channel.
+/// </summary>
+/// <param name="args">
+/// The command line arguments.
+/// </param>
+/// <returns>
+/// Zero upon success; non-zero on failure.  This will be one of the
+/// values from the <see cref="ExitCode" /> enumeration.
+/// </returns>
+private static int Main(
+string[] args
+)
+{
+//
+// NOTE: Sanity check the command line arguments.
+//
+if (args == null)
+{
+Error(null, true);
+return (int)ExitCode.MissingArgs;
+}
+if (args.Length != 3)
+{
+Error(null, true);
+return (int)ExitCode.WrongNumArgs;
+}
+try
+{
+//
+// NOTE: Create a regular expression from the first command
+//       line argument.  Then, grab the replacement string,
+//       which is the second argument.
+//
+Regex regEx = new Regex(args[0]);
+string replacement = args[1];
+//
+// NOTE: Attempt to convert the third argument to a boolean.
+//
+bool matchingOnly;
+if (!bool.TryParse(args[2], out matchingOnly))
+{
+Error(null, true);
+return (int)ExitCode.BadMatchingOnlyFlag;
+}
+//
+// NOTE: Grab the standard input and output channels from the
+//       console.
+//
+TextReader inputTextReader = Console.In;
+TextWriter outputTextWriter = Console.Out;
+//
+// NOTE: Loop until end-of-file is hit on the standard input
+//       stream.
+//
+while (true)
+{
+//
+// NOTE: Read a line from the standard input channel.  If
+//       null is returned here, there is no more input and
+//       we are done.
+//
+string inputLine = inputTextReader.ReadLine();
+if (inputLine == null)
+break;
+//
+// NOTE: Perform regular expression replacements on this
+//       line, if any.  Then, write the modified line to
+//       the standard output channel.
+//
+string outputLine = regEx.Replace(inputLine, replacement);
+if (!matchingOnly || !String.Equals(
+inputLine, outputLine, StringComparison.Ordinal))
+{
+outputTextWriter.WriteLine(outputLine);
+}
+}
+//
+// NOTE: At this point, everything has succeeded.
+//
+return (int)ExitCode.Success;
+}
+catch (Exception e)
+{
+//
+// NOTE: An exception was caught.  Report it via the console
+//       and return failure.
+//
+Error(e.ToString(), false);
+return (int)ExitCode.Exception;
+}
+}
+#endregion
+}
+}

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comparison third_party/sqlite3/Replace.cs @ 167:589bab390fb4