Initial import.

1 files changed, 91 insertions, 0 deletions

diff --git a/chromium/base/native_library.h b/chromium/base/native_library.h
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+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef BASE_NATIVE_LIBRARY_H_
+#define BASE_NATIVE_LIBRARY_H_
+
+// This file defines a cross-platform "NativeLibrary" type which represents
+// a loadable module.
+
+#include "base/base_export.h"
+#include "build/build_config.h"
+
+#if defined(OS_WIN)
+#include <windows.h>
+#elif defined(OS_MACOSX)
+#import <CoreFoundation/CoreFoundation.h>
+#endif  // OS_*
+
+#include "base/strings/string16.h"
+
+// Macro useful for writing cross-platform function pointers.
+#if defined(OS_WIN) && !defined(CDECL)
+#define CDECL __cdecl
+#else
+#define CDECL
+#endif
+
+namespace base {
+
+class FilePath;
+
+#if defined(OS_WIN)
+typedef HMODULE NativeLibrary;
+#elif defined(OS_MACOSX)
+enum NativeLibraryType {
+  BUNDLE,
+  DYNAMIC_LIB
+};
+enum NativeLibraryObjCStatus {
+  OBJC_UNKNOWN,
+  OBJC_PRESENT,
+  OBJC_NOT_PRESENT,
+};
+struct NativeLibraryStruct {
+  NativeLibraryType type;
+  CFBundleRefNum bundle_resource_ref;
+  NativeLibraryObjCStatus objc_status;
+  union {
+    CFBundleRef bundle;
+    void* dylib;
+  };
+};
+typedef NativeLibraryStruct* NativeLibrary;
+#elif defined(OS_POSIX)
+typedef void* NativeLibrary;
+#endif  // OS_*
+
+// Loads a native library from disk.  Release it with UnloadNativeLibrary when
+// you're done.  Returns NULL on failure.
+// If |err| is not NULL, it may be filled in with an error message on
+// error.
+BASE_EXPORT NativeLibrary LoadNativeLibrary(const FilePath& library_path,
+                                            std::string* error);
+
+#if defined(OS_WIN)
+// Loads a native library from disk.  Release it with UnloadNativeLibrary when
+// you're done.
+// This function retrieves the LoadLibrary function exported from kernel32.dll
+// and calls it instead of directly calling the LoadLibrary function via the
+// import table.
+BASE_EXPORT NativeLibrary LoadNativeLibraryDynamically(
+    const FilePath& library_path);
+#endif  // OS_WIN
+
+// Unloads a native library.
+BASE_EXPORT void UnloadNativeLibrary(NativeLibrary library);
+
+// Gets a function pointer from a native library.
+BASE_EXPORT void* GetFunctionPointerFromNativeLibrary(NativeLibrary library,
+                                                      const char* name);
+
+// Returns the full platform specific name for a native library.
+// For example:
+// "mylib" returns "mylib.dll" on Windows, "libmylib.so" on Linux,
+// "mylib.dylib" on Mac.
+BASE_EXPORT string16 GetNativeLibraryName(const string16& name);
+
+}  // namespace base
+
+#endif  // BASE_NATIVE_LIBRARY_H_