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//
// CoreFoundation.cs
//
// Author:
// Michael Hutchinson <mhutchinson@novell.com>
// Miguel de Icaza
//
// Copyright (c) 2009 Novell, Inc. (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Runtime.InteropServices;
namespace MonoDevelop.MacInterop
{
internal static class CoreFoundation
{
const string CFLib = "/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation";
const string LSLib = "/System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices";
[DllImport (CFLib)]
static extern IntPtr CFStringCreateWithCString (IntPtr alloc, string str, int encoding);
public static IntPtr CreateString (string s)
{
// The magic value is "kCFStringENcodingUTF8"
return CFStringCreateWithCString (IntPtr.Zero, s, 0x08000100);
}
[DllImport (CFLib, EntryPoint="CFRelease")]
public static extern void Release (IntPtr cfRef);
struct CFRange {
public IntPtr Location, Length;
public CFRange (int l, int len)
{
Location = (IntPtr)l;
Length = (IntPtr)len;
}
}
[DllImport (CFLib, CharSet=CharSet.Unicode)]
extern static int CFStringGetLength (IntPtr handle);
[DllImport (CFLib, CharSet=CharSet.Unicode)]
extern static IntPtr CFStringGetCharactersPtr (IntPtr handle);
[DllImport (CFLib, CharSet=CharSet.Unicode)]
extern static IntPtr CFStringGetCharacters (IntPtr handle, CFRange range, IntPtr buffer);
public static string FetchString (IntPtr handle)
{
if (handle == IntPtr.Zero)
return null;
string str;
int l = CFStringGetLength (handle);
IntPtr u = CFStringGetCharactersPtr (handle);
IntPtr buffer = IntPtr.Zero;
if (u == IntPtr.Zero){
CFRange r = new CFRange (0, l);
buffer = Marshal.AllocCoTaskMem (l * 2);
CFStringGetCharacters (handle, r, buffer);
u = buffer;
}
unsafe {
str = new string ((char *) u, 0, l);
}
if (buffer != IntPtr.Zero)
Marshal.FreeCoTaskMem (buffer);
return str;
}
public static string FSRefToString (ref FSRef fsref)
{
IntPtr url = IntPtr.Zero;
IntPtr str = IntPtr.Zero;
try {
url = CFURLCreateFromFSRef (IntPtr.Zero, ref fsref);
if (url == IntPtr.Zero)
return null;
str = CFURLCopyFileSystemPath (url, CFUrlPathStyle.Posix);
if (str == IntPtr.Zero)
return null;
return FetchString (str);
} finally {
if (url != IntPtr.Zero)
Release (url);
if (str != IntPtr.Zero)
Release (str);
}
}
[DllImport (CFLib)]
extern static IntPtr CFURLCreateFromFSRef (IntPtr allocator, ref FSRef fsref);
[DllImport (CFLib)]
extern static IntPtr CFURLCopyFileSystemPath (IntPtr urlRef, CFUrlPathStyle pathStyle);
enum CFUrlPathStyle
{
Posix = 0,
Hfs = 1,
Windows = 2
};
[DllImport (CFLib)]
extern static IntPtr CFURLCreateWithFileSystemPath (IntPtr allocator, IntPtr filePathString,
CFUrlPathStyle pathStyle, bool isDirectory);
[DllImport (LSLib)]
extern static IntPtr LSCopyApplicationURLsForURL (IntPtr urlRef, LSRolesMask roleMask); //CFArrayRef
[DllImport (LSLib)]
extern static int LSGetApplicationForURL (IntPtr url, LSRolesMask roleMask, IntPtr fsRefZero,
ref IntPtr appUrl);
[DllImport (CFLib)]
extern static int CFArrayGetCount (IntPtr theArray);
[DllImport (CFLib)]
extern static IntPtr CFArrayGetValueAtIndex (IntPtr theArray, int idx);
[Flags]
public enum LSRolesMask : uint
{
None = 0x00000001,
Viewer = 0x00000002,
Editor = 0x00000004,
Shell = 0x00000008,
All = 0xFFFFFFFF
}
public static IntPtr CreatePathUrl (string path)
{
IntPtr str = IntPtr.Zero;
IntPtr url = IntPtr.Zero;
try {
str = CreateString (path);
if (str == IntPtr.Zero)
throw new Exception ("CreateString failed");
url = CFURLCreateWithFileSystemPath (IntPtr.Zero, str, CFUrlPathStyle.Posix, false);
if (url == IntPtr.Zero)
throw new Exception ("CFURLCreateWithFileSystemPath failed");
return url;
} finally {
if (str != IntPtr.Zero)
Release (str);
}
}
public static string UrlToPath (IntPtr url)
{
IntPtr str = IntPtr.Zero;
try {
str = CFURLCopyFileSystemPath (url, CFUrlPathStyle.Posix);
return str == IntPtr.Zero? null : FetchString (str);
} finally {
if (str != IntPtr.Zero)
Release (str);
}
}
public static string GetApplicationUrl (string filePath, LSRolesMask roles)
{
IntPtr url = IntPtr.Zero;
try {
url = CreatePathUrl (filePath);
IntPtr appUrl = IntPtr.Zero;
if (LSGetApplicationForURL (url, roles, IntPtr.Zero, ref appUrl) == 0 && appUrl != IntPtr.Zero)
return UrlToPath (appUrl);
return null;
} finally {
if (url != IntPtr.Zero)
Release (url);
}
}
public static string[] GetApplicationUrls (string filePath, LSRolesMask roles)
{
IntPtr url = IntPtr.Zero;
IntPtr arr = IntPtr.Zero;
try {
url = CreatePathUrl (filePath);
arr = LSCopyApplicationURLsForURL (url, roles);
if (arr == IntPtr.Zero)
return new string[0];
int count = CFArrayGetCount (arr);
string[] values = new string [count];
for (int i = 0; i < values.Length; i++ ) {
var u = CFArrayGetValueAtIndex (arr, i);
if (u != IntPtr.Zero)
values[i] = UrlToPath (u);
}
return values;
} finally {
if (url != IntPtr.Zero)
Release (url);
if (arr != IntPtr.Zero)
Release (arr);
}
}
}
}
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