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Unified Diff: base/win/registry.h

Issue 1446363003: Deleted OS_WIN and all Windows specific files from base. (Closed) Base URL: https://github.com/domokit/mojo.git@base_tests
Patch Set: Created 5 years, 1 month ago
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Index: base/win/registry.h
diff --git a/base/win/registry.h b/base/win/registry.h
deleted file mode 100644
index c3e015b3bf0e59636e26b9a5a58b4b147df729b1..0000000000000000000000000000000000000000
--- a/base/win/registry.h
+++ /dev/null
@@ -1,259 +0,0 @@
-// Copyright (c) 2012 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_WIN_REGISTRY_H_
-#define BASE_WIN_REGISTRY_H_
-
-#include <windows.h>
-#include <string>
-#include <vector>
-
-#include "base/base_export.h"
-#include "base/basictypes.h"
-#include "base/stl_util.h"
-#include "base/win/object_watcher.h"
-#include "base/win/scoped_handle.h"
-
-namespace base {
-namespace win {
-
-// Utility class to read, write and manipulate the Windows Registry.
-// Registry vocabulary primer: a "key" is like a folder, in which there
-// are "values", which are <name, data> pairs, with an associated data type.
-//
-// Note:
-// ReadValue family of functions guarantee that the return arguments
-// are not touched in case of failure.
-class BASE_EXPORT RegKey {
- public:
- // Called from the MessageLoop when the key changes.
- typedef base::Callback<void()> ChangeCallback;
-
- RegKey();
- explicit RegKey(HKEY key);
- RegKey(HKEY rootkey, const wchar_t* subkey, REGSAM access);
- ~RegKey();
-
- LONG Create(HKEY rootkey, const wchar_t* subkey, REGSAM access);
-
- LONG CreateWithDisposition(HKEY rootkey, const wchar_t* subkey,
- DWORD* disposition, REGSAM access);
-
- // Creates a subkey or open it if it already exists.
- LONG CreateKey(const wchar_t* name, REGSAM access);
-
- // Opens an existing reg key.
- LONG Open(HKEY rootkey, const wchar_t* subkey, REGSAM access);
-
- // Opens an existing reg key, given the relative key name.
- LONG OpenKey(const wchar_t* relative_key_name, REGSAM access);
-
- // Closes this reg key.
- void Close();
-
- // Replaces the handle of the registry key and takes ownership of the handle.
- void Set(HKEY key);
-
- // Transfers ownership away from this object.
- HKEY Take();
-
- // Returns false if this key does not have the specified value, or if an error
- // occurrs while attempting to access it.
- bool HasValue(const wchar_t* value_name) const;
-
- // Returns the number of values for this key, or 0 if the number cannot be
- // determined.
- DWORD GetValueCount() const;
-
- // Determine the nth value's name.
- LONG GetValueNameAt(int index, std::wstring* name) const;
-
- // True while the key is valid.
- bool Valid() const { return key_ != NULL; }
-
- // Kill a key and everything that live below it; please be careful when using
- // it.
- LONG DeleteKey(const wchar_t* name);
-
- // Deletes an empty subkey. If the subkey has subkeys or values then this
- // will fail.
- LONG DeleteEmptyKey(const wchar_t* name);
-
- // Deletes a single value within the key.
- LONG DeleteValue(const wchar_t* name);
-
- // Getters:
-
- // Returns an int32 value. If |name| is NULL or empty, returns the default
- // value, if any.
- LONG ReadValueDW(const wchar_t* name, DWORD* out_value) const;
-
- // Returns an int64 value. If |name| is NULL or empty, returns the default
- // value, if any.
- LONG ReadInt64(const wchar_t* name, int64* out_value) const;
-
- // Returns a string value. If |name| is NULL or empty, returns the default
- // value, if any.
- LONG ReadValue(const wchar_t* name, std::wstring* out_value) const;
-
- // Reads a REG_MULTI_SZ registry field into a vector of strings. Clears
- // |values| initially and adds further strings to the list. Returns
- // ERROR_CANTREAD if type is not REG_MULTI_SZ.
- LONG ReadValues(const wchar_t* name, std::vector<std::wstring>* values);
-
- // Returns raw data. If |name| is NULL or empty, returns the default
- // value, if any.
- LONG ReadValue(const wchar_t* name,
- void* data,
- DWORD* dsize,
- DWORD* dtype) const;
-
- // Setters:
-
- // Sets an int32 value.
- LONG WriteValue(const wchar_t* name, DWORD in_value);
-
- // Sets a string value.
- LONG WriteValue(const wchar_t* name, const wchar_t* in_value);
-
- // Sets raw data, including type.
- LONG WriteValue(const wchar_t* name,
- const void* data,
- DWORD dsize,
- DWORD dtype);
-
- // Starts watching the key to see if any of its values have changed.
- // The key must have been opened with the KEY_NOTIFY access privilege.
- // Returns true on success.
- // To stop watching, delete this RegKey object. To continue watching the
- // object after the callback is invoked, call StartWatching again.
- bool StartWatching(const ChangeCallback& callback);
-
- HKEY Handle() const { return key_; }
-
- private:
- class Watcher;
-
- // Calls RegDeleteKeyEx on supported platforms, alternatively falls back to
- // RegDeleteKey.
- static LONG RegDeleteKeyExWrapper(HKEY hKey,
- const wchar_t* lpSubKey,
- REGSAM samDesired,
- DWORD Reserved);
-
- // Recursively deletes a key and all of its subkeys.
- static LONG RegDelRecurse(HKEY root_key,
- const std::wstring& name,
- REGSAM access);
-
- HKEY key_; // The registry key being iterated.
- REGSAM wow64access_;
- scoped_ptr<Watcher> key_watcher_;
-
- DISALLOW_COPY_AND_ASSIGN(RegKey);
-};
-
-// Iterates the entries found in a particular folder on the registry.
-class BASE_EXPORT RegistryValueIterator {
- public:
- // Construct a Registry Value Iterator with default WOW64 access.
- RegistryValueIterator(HKEY root_key, const wchar_t* folder_key);
-
- // Construct a Registry Key Iterator with specific WOW64 access, one of
- // KEY_WOW64_32KEY or KEY_WOW64_64KEY, or 0.
- // Note: |wow64access| should be the same access used to open |root_key|
- // previously, or a predefined key (e.g. HKEY_LOCAL_MACHINE).
- // See http://msdn.microsoft.com/en-us/library/windows/desktop/aa384129.aspx.
- RegistryValueIterator(HKEY root_key,
- const wchar_t* folder_key,
- REGSAM wow64access);
-
- ~RegistryValueIterator();
-
- DWORD ValueCount() const;
-
- // True while the iterator is valid.
- bool Valid() const;
-
- // Advances to the next registry entry.
- void operator++();
-
- const wchar_t* Name() const { return name_.c_str(); }
- const wchar_t* Value() const { return vector_as_array(&value_); }
- // ValueSize() is in bytes.
- DWORD ValueSize() const { return value_size_; }
- DWORD Type() const { return type_; }
-
- int Index() const { return index_; }
-
- private:
- // Read in the current values.
- bool Read();
-
- void Initialize(HKEY root_key, const wchar_t* folder_key, REGSAM wow64access);
-
- // The registry key being iterated.
- HKEY key_;
-
- // Current index of the iteration.
- int index_;
-
- // Current values.
- std::wstring name_;
- std::vector<wchar_t> value_;
- DWORD value_size_;
- DWORD type_;
-
- DISALLOW_COPY_AND_ASSIGN(RegistryValueIterator);
-};
-
-class BASE_EXPORT RegistryKeyIterator {
- public:
- // Construct a Registry Key Iterator with default WOW64 access.
- RegistryKeyIterator(HKEY root_key, const wchar_t* folder_key);
-
- // Construct a Registry Value Iterator with specific WOW64 access, one of
- // KEY_WOW64_32KEY or KEY_WOW64_64KEY, or 0.
- // Note: |wow64access| should be the same access used to open |root_key|
- // previously, or a predefined key (e.g. HKEY_LOCAL_MACHINE).
- // See http://msdn.microsoft.com/en-us/library/windows/desktop/aa384129.aspx.
- RegistryKeyIterator(HKEY root_key,
- const wchar_t* folder_key,
- REGSAM wow64access);
-
- ~RegistryKeyIterator();
-
- DWORD SubkeyCount() const;
-
- // True while the iterator is valid.
- bool Valid() const;
-
- // Advances to the next entry in the folder.
- void operator++();
-
- const wchar_t* Name() const { return name_; }
-
- int Index() const { return index_; }
-
- private:
- // Read in the current values.
- bool Read();
-
- void Initialize(HKEY root_key, const wchar_t* folder_key, REGSAM wow64access);
-
- // The registry key being iterated.
- HKEY key_;
-
- // Current index of the iteration.
- int index_;
-
- wchar_t name_[MAX_PATH];
-
- DISALLOW_COPY_AND_ASSIGN(RegistryKeyIterator);
-};
-
-} // namespace win
-} // namespace base
-
-#endif // BASE_WIN_REGISTRY_H_
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