| // Copyright 2010-2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "win32/base/keyboard_layout_id.h" |
| |
| #include <strsafe.h> |
| |
| #include <iomanip> |
| #include <map> |
| #include <sstream> |
| #include <string> |
| |
| #include "base/logging.h" |
| |
| namespace { |
| // A valid KLID consists of 8 character of hexadecimal digit in text form. |
| const size_t kTextLength = (KL_NAMELENGTH - 1); |
| const DWORD kDefaultKLID = 0; |
| |
| bool IsHexadecimalDigit(wchar_t c) { |
| if (L'0' <= c && c <= L'9') { |
| return true; |
| } |
| if (L'a' <= c && c <= L'f') { |
| return true; |
| } |
| if (L'A' <= c && c <= L'F') { |
| return true; |
| } |
| return false; |
| } |
| } // anonymous namespace |
| |
| namespace mozc { |
| namespace win32 { |
| KeyboardLayoutID::KeyboardLayoutID() |
| : id_(kDefaultKLID), |
| has_id_(false) {} |
| |
| KeyboardLayoutID::KeyboardLayoutID(const wstring &text) |
| : id_(kDefaultKLID), |
| has_id_(false) { |
| Parse(text); |
| } |
| |
| KeyboardLayoutID::KeyboardLayoutID(DWORD id) |
| : id_(id), |
| has_id_(true) {} |
| |
| bool KeyboardLayoutID::Parse(const wstring &text) { |
| clear_id(); |
| |
| if (text.size() != kTextLength) { |
| return false; |
| } |
| for (size_t i = 0; i < text.size(); ++i) { |
| if (!IsHexadecimalDigit(text[i])) { |
| return false; |
| } |
| } |
| |
| DWORD id = 0; |
| wstringstream ss; |
| ss << text; |
| ss >> hex >> id; |
| set_id(id); |
| return true; |
| } |
| |
| wstring KeyboardLayoutID::ToString() const { |
| CHECK(has_id()) << "ID is not set."; |
| wchar_t buffer[KL_NAMELENGTH]; |
| const HRESULT result = |
| ::StringCchPrintf(buffer, arraysize(buffer), L"%08X", id_); |
| if (FAILED(result)) { |
| return L""; |
| } |
| return buffer; |
| } |
| |
| DWORD KeyboardLayoutID::id() const { |
| CHECK(has_id()) << "ID is not set."; |
| return id_; |
| } |
| |
| void KeyboardLayoutID::set_id(DWORD id) { |
| id_ = id; |
| has_id_ = true; |
| } |
| |
| bool KeyboardLayoutID::has_id() const { |
| return has_id_; |
| } |
| |
| void KeyboardLayoutID::clear_id() { |
| id_ = kDefaultKLID; |
| has_id_ = false; |
| } |
| |
| } // namespace win32 |
| } // namespace mozc |