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89 lines
2.3 KiB
C#
89 lines
2.3 KiB
C#
// Gst.GLib.Argv.cs : Argv marshaling class
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//
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// Author: Mike Kestner <mkestner@novell.com>
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//
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// Copyright (c) 2004 Novell, Inc.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of version 2 of the Lesser GNU General
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// Public License as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this program; if not, write to the
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// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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// Boston, MA 02111-1307, USA.
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namespace Gst.GLib {
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using System;
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using System.Runtime.InteropServices;
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public class Argv {
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IntPtr[] arg_ptrs;
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IntPtr handle;
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bool add_progname = false;
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[DllImport ("libglib-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr g_malloc(IntPtr size);
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[DllImport ("libglib-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern void g_free (IntPtr mem);
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~Argv ()
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{
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foreach (IntPtr arg in arg_ptrs)
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g_free (arg);
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g_free (handle);
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}
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public Argv (string[] args) : this (args, false) {}
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public Argv (string[] args, bool add_program_name)
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{
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add_progname = add_program_name;
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if (add_progname) {
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string[] full = new string [args.Length + 1];
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full [0] = System.Environment.GetCommandLineArgs ()[0];
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args.CopyTo (full, 1);
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args = full;
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}
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arg_ptrs = new IntPtr [args.Length];
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for (int i = 0; i < args.Length; i++)
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arg_ptrs [i] = Marshaller.StringToPtrGStrdup (args[i]);
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handle = g_malloc (new IntPtr (IntPtr.Size * args.Length));
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for (int i = 0; i < args.Length; i++)
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Marshal.WriteIntPtr (handle, i * IntPtr.Size, arg_ptrs [i]);
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}
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public IntPtr Handle {
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get {
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return handle;
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}
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}
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public string[] GetArgs (int argc)
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{
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int count = add_progname ? argc - 1 : argc;
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int idx = add_progname ? 1 : 0;
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string[] result = new string [count];
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for (int i = 0; i < count; i++, idx++)
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result [i] = Marshaller.Utf8PtrToString (Marshal.ReadIntPtr (handle, idx * IntPtr.Size));
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return result;
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}
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}
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}
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