pcrama/cliphtml.cs

## cliphtml.cs
/* Compiling this needs a reference to the PresentationCore dll:
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" "/reference:c:\windows\Microsoft.NET\Framework\v4.0.30319\WPF\PresentationCore.dll" "/out:cliphtml.exe" cliphtml.cs
 */
using System;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows; // Needed to access the clipboard.

namespace SetClipBoardToHtml
{
    /// <summary>
    /// Set clipboard to HTML data (as rich/formatted text), assuming UTF8 input.
    /// </summary>
    class SetClipBoardToHtml
    {
        public static readonly Encoding AssumedInputEncoding = Encoding.UTF8;

        [STAThread]
        static void Main(string[] args)
        {
            string input = "";
            string sourceName = "temp.htm"; // will be overridden if HTML source is a file
            if (args.Length == 0
                || (args.Length == 1 && args[0] == "-"))
            {
                Console.InputEncoding = AssumedInputEncoding;
                input = Console.In.ReadToEnd();
            }
            else if (args.Any(IsHelpArgument))
            {
                usage();
            }
            else if (args.Length == 1)
            {
                // Read from file
                sourceName = args[0];
                using (StreamReader streamReader = new StreamReader(sourceName, AssumedInputEncoding))
                {
                    input = streamReader.ReadToEnd();
                }
            }
            else if ((args.Length > 1) && (args[0] == "-t"))
            {
                // Assemble from command line args
                for (int i = 1; i < args.Length; ++i)
                {
                    input += ((1 == i) ? "" : " ") + args[i];
                }
            }
            else
            {
                usage();
            }
            if ((null != input) && ("" != input)) {
                Clipboard.SetText(BuildContent(input, sourceName),
                                  TextDataFormat.Html);
                Clipboard.Flush();
            }
        }

        /* Clipboard content needs to contain some meta-data, see
           https://blogs.msdn.microsoft.com/jmstall/2007/01/21/copying-html-on-the-clipboard/
           Version:0.9
           StartHTML:00000185
           EndHTML:00000260
           StartFragment:00000219
           EndFragment:00000224
           SourceURL:https://msdn.microsoft.com/en-us/library/system.windows.forms.clipboard.aspx
           <html><body>
           <!--StartFragment-->abcde<!--EndFragment-->
           </body>
           </html>
         */
        static string BuildContent(string fragment, string sourceName)
        {
            string[] HEADERS = {
                "Version:0.9\r\nStartHTML:",
                "\r\nEndHTML:",
                "\r\nStartFragment:",
                "\r\nEndFragment:",
            };
            const int VAL_LEN = 8;
            string MIDDLE = String.Format(
                "\r\nSourceURL:{0}\r\n<html><body>\r\n<!--StartFragment-->",
                sourceName);
            const string TRAILER = "<!--EndFragment-->\r\n</body>\r\n</html>";
            int header_len = 0;
            for (int i = 0; i < HEADERS.Length; ++i) {
                header_len += HEADERS[i].Length + VAL_LEN;
            }
            int START_FRAGMENT = header_len + MIDDLE.Length;
            int END_FRAGMENT = START_FRAGMENT + fragment.Length;
            int TOTAL_LEN = END_FRAGMENT + TRAILER.Length;
            int[] VALUES = { header_len, TOTAL_LEN, START_FRAGMENT, END_FRAGMENT };
            string FMT_HEAD = "{0}{1:" + String.Format("{0}", VAL_LEN) + "}";
            string result = "";
            for (int i = 0; i < VALUES.Length; ++i) {
                result += String.Format(FMT_HEAD, HEADERS[i], VALUES[i]);
            }
            result += String.Format(FMT_HEAD, HEADERS[VALUES.Length - 1], "temp.htm");
            result += MIDDLE + fragment + TRAILER;
            return result;
        }

        static bool IsHelpArgument(string arg)
        {
            return string.Equals(arg, "-h", StringComparison.InvariantCultureIgnoreCase)
                || string.Equals(arg, "--help", StringComparison.InvariantCultureIgnoreCase)
                || string.Equals(arg, "/?", StringComparison.InvariantCultureIgnoreCase)
                || string.Equals(arg, "-?", StringComparison.InvariantCultureIgnoreCase);
        }

        static void usage()
        {
            Console.WriteLine(
                "cliphtml filename ==> file content to clipboard (as HTML, rich text)\n" +
                "cliphtml -t ... ==> Command line to clipboard\n" +
                "cliphtml [-] ==> standard input to clipboard\n" +
                "cliphtml [-h|--help|-?|/?] ==> this help text"
            );
        }
    }
}
	/* Compiling this needs a reference to the PresentationCore dll:
	"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" "/reference:c:\windows\Microsoft.NET\Framework\v4.0.30319\WPF\PresentationCore.dll" "/out:cliphtml.exe" cliphtml.cs
	*/
	using System;
	using System.IO;
	using System.Linq;
	using System.Text;
	using System.Windows; // Needed to access the clipboard.

	namespace SetClipBoardToHtml
	{
	/// <summary>
	/// Set clipboard to HTML data (as rich/formatted text), assuming UTF8 input.
	/// </summary>
	class SetClipBoardToHtml
	{
	public static readonly Encoding AssumedInputEncoding = Encoding.UTF8;

	[STAThread]
	static void Main(string[] args)
	{
	string input = "";
	string sourceName = "temp.htm"; // will be overridden if HTML source is a file
	if (args.Length == 0
	\|\| (args.Length == 1 && args[0] == "-"))
	{
	Console.InputEncoding = AssumedInputEncoding;
	input = Console.In.ReadToEnd();
	}
	else if (args.Any(IsHelpArgument))
	{
	usage();
	}
	else if (args.Length == 1)
	{
	// Read from file
	sourceName = args[0];
	using (StreamReader streamReader = new StreamReader(sourceName, AssumedInputEncoding))
	{
	input = streamReader.ReadToEnd();
	}
	}
	else if ((args.Length > 1) && (args[0] == "-t"))
	{
	// Assemble from command line args
	for (int i = 1; i < args.Length; ++i)
	{
	input += ((1 == i) ? "" : " ") + args[i];
	}
	}
	else
	{
	usage();
	}
	if ((null != input) && ("" != input)) {
	Clipboard.SetText(BuildContent(input, sourceName),
	TextDataFormat.Html);
	Clipboard.Flush();
	}
	}

	/* Clipboard content needs to contain some meta-data, see
	https://blogs.msdn.microsoft.com/jmstall/2007/01/21/copying-html-on-the-clipboard/
	Version:0.9
	StartHTML:00000185
	EndHTML:00000260
	StartFragment:00000219
	EndFragment:00000224
	SourceURL:https://msdn.microsoft.com/en-us/library/system.windows.forms.clipboard.aspx
	<html><body>
	<!--StartFragment-->abcde<!--EndFragment-->
	</body>
	</html>
	*/
	static string BuildContent(string fragment, string sourceName)
	{
	string[] HEADERS = {
	"Version:0.9\r\nStartHTML:",
	"\r\nEndHTML:",
	"\r\nStartFragment:",
	"\r\nEndFragment:",
	};
	const int VAL_LEN = 8;
	string MIDDLE = String.Format(
	"\r\nSourceURL:{0}\r\n<html><body>\r\n<!--StartFragment-->",
	sourceName);
	const string TRAILER = "<!--EndFragment-->\r\n</body>\r\n</html>";
	int header_len = 0;
	for (int i = 0; i < HEADERS.Length; ++i) {
	header_len += HEADERS[i].Length + VAL_LEN;
	}
	int START_FRAGMENT = header_len + MIDDLE.Length;
	int END_FRAGMENT = START_FRAGMENT + fragment.Length;
	int TOTAL_LEN = END_FRAGMENT + TRAILER.Length;
	int[] VALUES = { header_len, TOTAL_LEN, START_FRAGMENT, END_FRAGMENT };
	string FMT_HEAD = "{0}{1:" + String.Format("{0}", VAL_LEN) + "}";
	string result = "";
	for (int i = 0; i < VALUES.Length; ++i) {
	result += String.Format(FMT_HEAD, HEADERS[i], VALUES[i]);
	}
	result += String.Format(FMT_HEAD, HEADERS[VALUES.Length - 1], "temp.htm");
	result += MIDDLE + fragment + TRAILER;
	return result;
	}

	static bool IsHelpArgument(string arg)
	{
	return string.Equals(arg, "-h", StringComparison.InvariantCultureIgnoreCase)
	\|\| string.Equals(arg, "--help", StringComparison.InvariantCultureIgnoreCase)
	\|\| string.Equals(arg, "/?", StringComparison.InvariantCultureIgnoreCase)
	\|\| string.Equals(arg, "-?", StringComparison.InvariantCultureIgnoreCase);
	}

	static void usage()
	{
	Console.WriteLine(
	"cliphtml filename ==> file content to clipboard (as HTML, rich text)\n" +
	"cliphtml -t ... ==> Command line to clipboard\n" +
	"cliphtml [-] ==> standard input to clipboard\n" +
	"cliphtml [-h\|--help\|-?\|/?] ==> this help text"
	);
	}
	}
	}