| /* |
| * libjingle |
| * Copyright 2007--2009, Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. 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. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <sstream> |
| |
| #include "talk/base/common.h" |
| #include "talk/base/logging.h" |
| #include "talk/base/macutils.h" |
| #include "talk/base/scoped_ptr.h" |
| #include "talk/base/stringutils.h" |
| |
| namespace talk_base { |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| bool ToUtf8(const CFStringRef str16, std::string* str8) { |
| if ((NULL == str16) || (NULL == str8)) |
| return false; |
| size_t maxlen = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str16), |
| kCFStringEncodingUTF8) |
| + 1; |
| scoped_array<char> buffer(new char[maxlen]); |
| if (!buffer.get() |
| || !CFStringGetCString(str16, buffer.get(), maxlen, |
| kCFStringEncodingUTF8)) |
| return false; |
| str8->assign(buffer.get()); |
| return true; |
| } |
| |
| bool ToUtf16(const std::string& str8, CFStringRef* str16) { |
| if (NULL == str16) |
| return false; |
| *str16 = CFStringCreateWithBytes(kCFAllocatorDefault, |
| reinterpret_cast<const UInt8*>(str8.data()), |
| str8.length(), kCFStringEncodingUTF8, |
| false); |
| return (NULL != *str16); |
| } |
| |
| void DecodeFourChar(UInt32 fc, std::string* out) { |
| std::stringstream ss; |
| ss << '\''; |
| bool printable = true; |
| for (int i = 3; i >= 0; --i) { |
| char ch = (fc >> (8 * i)) & 0xFF; |
| if (isprint(static_cast<unsigned char>(ch))) { |
| ss << ch; |
| } else { |
| printable = false; |
| break; |
| } |
| } |
| if (printable) { |
| ss << '\''; |
| } else { |
| ss.str(""); |
| ss << "0x" << std::hex << fc; |
| } |
| out->append(ss.str()); |
| } |
| |
| std::string DecodeEvent(EventRef event) { |
| std::string str; |
| DecodeFourChar(::GetEventClass(event), &str); |
| str.push_back(':'); |
| DecodeFourChar(::GetEventKind(event), &str); |
| return str; |
| } |
| |
| static bool GetGestalt(OSType ostype, int* value) { |
| ASSERT(NULL != value); |
| SInt32 native_value; |
| OSStatus result = Gestalt(ostype, &native_value); |
| if (noErr == result) { |
| *value = native_value; |
| return true; |
| } |
| std::string str; |
| DecodeFourChar(ostype, &str); |
| LOG_E(LS_ERROR, OS, result) << "Gestalt(" << str << ")"; |
| return false; |
| } |
| |
| bool GetOSVersion(int* major, int* minor, int* bugfix) { |
| ASSERT(major && minor && bugfix); |
| if (!GetGestalt(gestaltSystemVersion, major)) |
| return false; |
| if (*major < 0x1040) { |
| *bugfix = *major & 0xF; |
| *minor = (*major >> 4) & 0xF; |
| *major = (*major >> 8); |
| return true; |
| } |
| return GetGestalt(gestaltSystemVersionMajor, major) |
| && GetGestalt(gestaltSystemVersionMinor, minor) |
| && GetGestalt(gestaltSystemVersionBugFix, bugfix); |
| } |
| |
| MacOSVersionName GetOSVersionName() { |
| int major = 0, minor = 0, bugfix = 0; |
| if (!GetOSVersion(&major, &minor, &bugfix)) |
| return kMacOSUnknown; |
| if (major > 10) |
| return kMacOSNewer; |
| if ((major < 10) || (minor < 3)) |
| return kMacOSOlder; |
| switch (minor) { |
| case 3: |
| return kMacOSPanther; |
| case 4: |
| return kMacOSTiger; |
| case 5: |
| return kMacOSLeopard; |
| } |
| return kMacOSNewer; |
| } |
| |
| bool GetQuickTimeVersion(std::string* out) { |
| int ver; |
| if (!GetGestalt(gestaltQuickTimeVersion, &ver)) |
| return false; |
| |
| std::stringstream ss; |
| ss << std::hex << ver; |
| *out = ss.str(); |
| return true; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| } // namespace talk_base |