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GLibrary.cs: introduce IsSupported

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lytico 2021-07-19 19:24:17 +02:00
parent b3fd3f91bf
commit 6b4cf555e0
1 changed files with 79 additions and 63 deletions
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142
Source/Libs/Shared/GLibrary.cs
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@ -5,77 +5,93 @@ using System.Runtime.InteropServices;
class GLibrary
{
[DllImport("kernel32.dll", SetLastError = true)]
private static extern bool SetDllDirectory(string lpPathName);
private static Dictionary<Library, IntPtr> _libraries;
private static Dictionary<string, IntPtr> _customlibraries;
private static Dictionary <Library, string[]> _libraryDefinitions;
[DllImport("kernel32.dll", SetLastError = true)]
private static extern bool SetDllDirectory(string lpPathName);
static GLibrary()
{
_customlibraries = new Dictionary<string, IntPtr>();
_libraries = new Dictionary<Library, IntPtr>();
_libraryDefinitions = new Dictionary<Library, string[]>();
_libraryDefinitions[Library.GLib] = new[] { "libglib-2.0-0.dll", "libglib-2.0.so.0", "libglib-2.0.0.dylib", "glib-2.dll" };
_libraryDefinitions[Library.GObject] = new[] { "libgobject-2.0-0.dll", "libgobject-2.0.so.0", "libgobject-2.0.0.dylib", "gobject-2.dll" };
_libraryDefinitions[Library.Cairo] = new[] { "libcairo-2.dll", "libcairo.so.2", "libcairo.2.dylib", "cairo.dll" };
_libraryDefinitions[Library.Gio] = new[] { "libgio-2.0-0.dll", "libgio-2.0.so.0", "libgio-2.0.0.dylib", "gio-2.dll" };
_libraryDefinitions[Library.Atk] = new[] { "libatk-1.0-0.dll", "libatk-1.0.so.0", "libatk-1.0.0.dylib", "atk-1.dll" };
_libraryDefinitions[Library.Pango] = new[] { "libpango-1.0-0.dll", "libpango-1.0.so.0", "libpango-1.0.0.dylib", "pango-1.dll" };
_libraryDefinitions[Library.Gdk] = new[] { "libgdk-3-0.dll", "libgdk-3.so.0", "libgdk-3.0.dylib", "gdk-3.dll" };
_libraryDefinitions[Library.GdkPixbuf] = new[] { "libgdk_pixbuf-2.0-0.dll", "libgdk_pixbuf-2.0.so.0", "libgdk_pixbuf-2.0.dylib", "gdk_pixbuf-2.dll" };
_libraryDefinitions[Library.Gtk] = new[] { "libgtk-3-0.dll", "libgtk-3.so.0", "libgtk-3.0.dylib", "gtk-3.dll" };
_libraryDefinitions[Library.PangoCairo] = new[] { "libpangocairo-1.0-0.dll", "libpangocairo-1.0.so.0", "libpangocairo-1.0.0.dylib", "pangocairo-1.dll" };
_libraryDefinitions[Library.GtkSource] = new[] { "libgtksourceview-4-0.dll", "libgtksourceview-4.so.0", "libgtksourceview-4.0.dylib", "gtksourceview-4.dll" };
}
private static Dictionary<Library, IntPtr> _libraries;
private static HashSet<Library> _librariesNotFound;
private static Dictionary<string, IntPtr> _customlibraries;
private static Dictionary<Library, string[]> _libraryDefinitions;
public static IntPtr Load(Library library)
{
var ret = IntPtr.Zero;
if (_libraries.TryGetValue(library, out ret))
return ret;
static GLibrary()
{
_customlibraries = new Dictionary<string, IntPtr>();
_librariesNotFound = new HashSet<Library>();
_libraries = new Dictionary<Library, IntPtr>();
_libraryDefinitions = new Dictionary<Library, string[]>();
_libraryDefinitions[Library.GLib] = new[] {"libglib-2.0-0.dll", "libglib-2.0.so.0", "libglib-2.0.0.dylib", "glib-2.dll"};
_libraryDefinitions[Library.GObject] = new[] {"libgobject-2.0-0.dll", "libgobject-2.0.so.0", "libgobject-2.0.0.dylib", "gobject-2.dll"};
_libraryDefinitions[Library.Cairo] = new[] {"libcairo-2.dll", "libcairo.so.2", "libcairo.2.dylib", "cairo.dll"};
_libraryDefinitions[Library.Gio] = new[] {"libgio-2.0-0.dll", "libgio-2.0.so.0", "libgio-2.0.0.dylib", "gio-2.dll"};
_libraryDefinitions[Library.Atk] = new[] {"libatk-1.0-0.dll", "libatk-1.0.so.0", "libatk-1.0.0.dylib", "atk-1.dll"};
_libraryDefinitions[Library.Pango] = new[] {"libpango-1.0-0.dll", "libpango-1.0.so.0", "libpango-1.0.0.dylib", "pango-1.dll"};
_libraryDefinitions[Library.Gdk] = new[] {"libgdk-3-0.dll", "libgdk-3.so.0", "libgdk-3.0.dylib", "gdk-3.dll"};
_libraryDefinitions[Library.GdkPixbuf] = new[] {"libgdk_pixbuf-2.0-0.dll", "libgdk_pixbuf-2.0.so.0", "libgdk_pixbuf-2.0.dylib", "gdk_pixbuf-2.dll"};
_libraryDefinitions[Library.Gtk] = new[] {"libgtk-3-0.dll", "libgtk-3.so.0", "libgtk-3.0.dylib", "gtk-3.dll"};
_libraryDefinitions[Library.PangoCairo] = new[] {"libpangocairo-1.0-0.dll", "libpangocairo-1.0.so.0", "libpangocairo-1.0.0.dylib", "pangocairo-1.dll"};
_libraryDefinitions[Library.GtkSource] = new[] {"libgtksourceview-4-0.dll", "libgtksourceview-4.so.0", "libgtksourceview-4.0.dylib", "gtksourceview-4.dll"};
}
if (FuncLoader.IsWindows)
{
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][0]);
public static IntPtr Load(Library library)
{
if (_libraries.TryGetValue(library, out var ret))
return ret;
if (ret == IntPtr.Zero)
{
SetDllDirectory(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Gtk", "3.24.24"));
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][0]);
}
}
else if (FuncLoader.IsOSX)
{
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][2]);
if (TryGet(library, out ret)) return ret;
if (ret == IntPtr.Zero)
{
ret = FuncLoader.LoadLibrary("/usr/local/lib/" + _libraryDefinitions[library][2]);
}
}
else
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][1]);
var err = library + ": " + string.Join(", ", _libraryDefinitions[library]);
if (ret == IntPtr.Zero)
{
for (int i = 0; i < _libraryDefinitions[library].Length; i++)
{
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][i]);
throw new DllNotFoundException(err);
if (ret != IntPtr.Zero)
break;
}
}
}
if (ret == IntPtr.Zero)
{
var err = library + ": " + string.Join(", ", _libraryDefinitions[library]);
throw new DllNotFoundException(err);
}
public static bool IsSupported(Library library) => TryGet(library, out var __);
static bool TryGet(Library library, out IntPtr ret)
{
ret = IntPtr.Zero;
if (_libraries.TryGetValue(library, out ret)) {
return true;
}
if (_librariesNotFound.Contains(library)) {
return false;
}
if (FuncLoader.IsWindows) {
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][0]);
if (ret == IntPtr.Zero) {
SetDllDirectory(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Gtk", "3.24.24"));
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][0]);
}
} else if (FuncLoader.IsOSX) {
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][2]);
if (ret == IntPtr.Zero) {
ret = FuncLoader.LoadLibrary("/usr/local/lib/" + _libraryDefinitions[library][2]);
}
} else
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][1]);
if (ret == IntPtr.Zero) {
for (var i = 0; i < _libraryDefinitions[library].Length; i++) {
ret = FuncLoader.LoadLibrary(_libraryDefinitions[library][i]);
if (ret != IntPtr.Zero)
break;
}
}
if (ret != IntPtr.Zero) {
_libraries[library] = ret;
} else {
_librariesNotFound.Add(library);
}
return ret != IntPtr.Zero;
}
_libraries[library] = ret;
return ret;
}
}