webrtc/base/win32regkey.h - Issue 2571763002: Delete unused class rtc::RegKey.

Unified Diff: webrtc/base/win32regkey.h

Issue 2571763002: Delete unused class rtc::RegKey. (Closed)

Patch Set: Created 4 years ago

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Index: webrtc/base/win32regkey.h

diff --git a/webrtc/base/win32regkey.h b/webrtc/base/win32regkey.h

deleted file mode 100644

index d5c51b9b066b273293e669ce78c24e28efb98d3b..0000000000000000000000000000000000000000

--- a/webrtc/base/win32regkey.h

+++ /dev/null

@@ -1,339 +0,0 @@

-/*

- *

- * Use of this source code is governed by a BSD-style license

- * that can be found in the LICENSE file in the root of the source

- * tree. An additional intellectual property rights grant can be found

- * in the file PATENTS. All contributing project authors may

- * be found in the AUTHORS file in the root of the source tree.

- */

-// Registry configuration wrappers class

-//

-// Offers static functions for convenient

-// fast access for individual values

-//

-// Also provides a wrapper class for efficient

-// batch operations on values of a given registry key.

-//

-#ifndef WEBRTC_BASE_WIN32REGKEY_H_

-#define WEBRTC_BASE_WIN32REGKEY_H_

-#include <string>

-#include <vector>

-#include "webrtc/base/basictypes.h"

-#include "webrtc/base/constructormagic.h"

-#include "webrtc/base/win32.h"

-namespace rtc {

-// maximum sizes registry key and value names

-const int kMaxKeyNameChars = 255 + 1;

-const int kMaxValueNameChars = 16383 + 1;

-class RegKey {

- public:

- // constructor

- RegKey();

- // destructor

- ~RegKey();

- // create a reg key

- HRESULT Create(HKEY parent_key, const wchar_t* key_name);

- HRESULT Create(HKEY parent_key,

- const wchar_t* key_name,

- wchar_t* reg_class,

- DWORD options,

- REGSAM sam_desired,

- LPSECURITY_ATTRIBUTES lp_sec_attr,

- LPDWORD lp_disposition);

- // open an existing reg key

- HRESULT Open(HKEY parent_key, const wchar_t* key_name);

- HRESULT Open(HKEY parent_key, const wchar_t* key_name, REGSAM sam_desired);

- // close this reg key

- HRESULT Close();

- // check if the key has a specified value

- bool HasValue(const wchar_t* value_name) const;

- // get the number of values for this key

- uint32_t GetValueCount();

- // Called to get the value name for the given value name index

- // Use GetValueCount() to get the total value_name count for this key

- // Returns failure if no key at the specified index

- // If you modify the key while enumerating, the indexes will be out of order.

- // Since the index order is not guaranteed, you need to reset your counting

- // loop.

- // 'type' refers to REG_DWORD, REG_QWORD, etc..

- // 'type' can be NULL if not interested in the value type

- HRESULT GetValueNameAt(int index, std::wstring* value_name, DWORD* type);

- // check if the current key has the specified subkey

- bool HasSubkey(const wchar_t* key_name) const;

- // get the number of subkeys for this key

- uint32_t GetSubkeyCount();

- // Called to get the key name for the given key index

- // Use GetSubkeyCount() to get the total count for this key

- // Returns failure if no key at the specified index

- // If you modify the key while enumerating, the indexes will be out of order.

- // Since the index order is not guaranteed, you need to reset your counting

- // loop.

- HRESULT GetSubkeyNameAt(int index, std::wstring* key_name);

- // SETTERS

- // set an int32_t value - use when reading multiple values from a key

- HRESULT SetValue(const wchar_t* value_name, DWORD value) const;

- // set an int64_t value

- HRESULT SetValue(const wchar_t* value_name, DWORD64 value) const;

- // set a string value

- HRESULT SetValue(const wchar_t* value_name, const wchar_t* value) const;

- // set binary data

- HRESULT SetValue(const wchar_t* value_name,

- const uint8_t* value,

- DWORD byte_count) const;

- // set raw data, including type

- HRESULT SetValue(const wchar_t* value_name,

- const uint8_t* value,

- DWORD byte_count,

- DWORD type) const;

- // GETTERS

- // get an int32_t value

- HRESULT GetValue(const wchar_t* value_name, DWORD* value) const;

- // get an int64_t value

- HRESULT GetValue(const wchar_t* value_name, DWORD64* value) const;

- // get a string value - the caller must free the return buffer

- HRESULT GetValue(const wchar_t* value_name, wchar_t** value) const;

- // get a string value

- HRESULT GetValue(const wchar_t* value_name, std::wstring* value) const;

- // get a std::vector<std::wstring> value from REG_MULTI_SZ type

- HRESULT GetValue(const wchar_t* value_name,

- std::vector<std::wstring>* value) const;

- // get binary data - the caller must free the return buffer

- HRESULT GetValue(const wchar_t* value_name,

- uint8_t** value,

- DWORD* byte_count) const;

- // get raw data, including type - the caller must free the return buffer

- HRESULT GetValue(const wchar_t* value_name,

- uint8_t** value,

- DWORD* byte_count,

- DWORD* type) const;

- // STATIC VERSIONS

- // flush

- static HRESULT FlushKey(const wchar_t* full_key_name);

- // check if a key exists

- static bool HasKey(const wchar_t* full_key_name);

- // check if the key has a specified value

- static bool HasValue(const wchar_t* full_key_name, const wchar_t* value_name);

- // SETTERS

- // STATIC int32_t set

- static HRESULT SetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- DWORD value);

- // STATIC int64_t set

- static HRESULT SetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- DWORD64 value);

- // STATIC float set

- static HRESULT SetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- float value);

- // STATIC double set

- static HRESULT SetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- double value);

- // STATIC string set

- static HRESULT SetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- const wchar_t* value);

- // STATIC binary data set

- static HRESULT SetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- const uint8_t* value,

- DWORD byte_count);

- // STATIC multi-string set

- static HRESULT SetValueMultiSZ(const wchar_t* full_key_name,

- const TCHAR* value_name,

- const uint8_t* value,

- DWORD byte_count);

- // GETTERS

- // STATIC int32_t get

- static HRESULT GetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- DWORD* value);

- // STATIC int64_t get

- //

- // Note: if you are using time64 you should

- // likely use GetLimitedTimeValue (util.h) instead of this method.

- static HRESULT GetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- DWORD64* value);

- // STATIC float get

- static HRESULT GetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- float* value);

- // STATIC double get

- static HRESULT GetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- double* value);

- // STATIC string get

- // Note: the caller must free the return buffer for wchar_t* version

- static HRESULT GetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- wchar_t** value);

- static HRESULT GetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- std::wstring* value);

- // STATIC REG_MULTI_SZ get

- static HRESULT GetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- std::vector<std::wstring>* value);

- // STATIC get binary data - the caller must free the return buffer

- static HRESULT GetValue(const wchar_t* full_key_name,

- const wchar_t* value_name,

- uint8_t** value,

- DWORD* byte_count);

- // Get type of a registry value

- static HRESULT GetValueType(const wchar_t* full_key_name,

- const wchar_t* value_name,

- DWORD* value_type);

- // delete a subkey of the current key (with no subkeys)

- HRESULT DeleteSubKey(const wchar_t* key_name);

- // recursively delete a sub key of the current key (and all its subkeys)

- HRESULT RecurseDeleteSubKey(const wchar_t* key_name);

- // STATIC version of delete key - handles nested keys also

- // delete a key and all its sub-keys recursively

- // Returns S_FALSE if key didn't exist, S_OK if deletion was successful,

- // and failure otherwise.

- static HRESULT DeleteKey(const wchar_t* full_key_name);

- // STATIC version of delete key

- // delete a key recursively or non-recursively

- // Returns S_FALSE if key didn't exist, S_OK if deletion was successful,

- // and failure otherwise.

- static HRESULT DeleteKey(const wchar_t* full_key_name, bool recursive);

- // delete the specified value

- HRESULT DeleteValue(const wchar_t* value_name);

- // STATIC version of delete value

- // Returns S_FALSE if key didn't exist, S_OK if deletion was successful,

- // and failure otherwise.

- static HRESULT DeleteValue(const wchar_t* full_key_name,

- const wchar_t* value_name);

- // Peek inside (use a RegKey as a smart wrapper around a registry handle)

- HKEY key() { return h_key_; }

- // helper function to get the HKEY and the root key from a string

- // modifies the argument in place and returns the key name

- // e.g. HKLM\\Software\\Google\... returns HKLM, "Software\\Google\..."

- // Necessary for the static versions that use the full name of the reg key

- static HKEY GetRootKeyInfo(std::wstring* full_key_name);

- // Returns true if this key name is 'safe' for deletion (doesn't specify a key

- // root)

- static bool SafeKeyNameForDeletion(const wchar_t* key_name);

- // save the key and all of its subkeys and values to a file

- static HRESULT Save(const wchar_t* full_key_name, const wchar_t* file_name);

- // restore the key and all of its subkeys and values which are saved into a

- // file

- static HRESULT Restore(const wchar_t* full_key_name,

- const wchar_t* file_name);

- // Is the key empty: having no sub-keys and values

- static bool IsKeyEmpty(const wchar_t* full_key_name);

- private:

- // helper function to get any value from the registry

- // used when the size of the data is unknown

- HRESULT GetValueHelper(const wchar_t* value_name,

- DWORD* type,

- uint8_t** value,

- DWORD* byte_count) const;

- // helper function to get the parent key name and the subkey from a string

- // modifies the argument in place and returns the key name

- // Necessary for the static versions that use the full name of the reg key

- static std::wstring GetParentKeyInfo(std::wstring* key_name);

- // common SET Helper for the static case

- static HRESULT SetValueStaticHelper(const wchar_t* full_key_name,

- const wchar_t* value_name,

- DWORD type,

- LPVOID value,

- DWORD byte_count = 0);

- // common GET Helper for the static case

- static HRESULT GetValueStaticHelper(const wchar_t* full_key_name,

- const wchar_t* value_name,

- DWORD type,

- LPVOID value,

- DWORD* byte_count = NULL);

- // convert REG_MULTI_SZ bytes to string array

- static HRESULT MultiSZBytesToStringArray(const uint8_t* buffer,

- DWORD byte_count,

- std::vector<std::wstring>* value);

- // the HKEY for the current key

- HKEY h_key_;

- // for unittest

- friend void RegKeyHelperFunctionsTest();

- RTC_DISALLOW_COPY_AND_ASSIGN(RegKey);

-};

-} // namespace rtc

-#endif // WEBRTC_BASE_WIN32REGKEY_H_

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