Adds a modified copy of talk/base to webrtc/base. It is the first step in
migrating talk/base to webrtc/base.
BUG=N/A
R=niklas.enbom@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/17479005
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/base/macutils.cc b/webrtc/base/macutils.cc
new file mode 100644
index 0000000..6e436d4
--- /dev/null
+++ b/webrtc/base/macutils.cc
@@ -0,0 +1,221 @@
+/*
+ * Copyright 2007 The WebRTC Project Authors. All rights reserved.
+ *
+ * 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.
+ */
+
+#include <sstream>
+
+#include "webrtc/base/common.h"
+#include "webrtc/base/logging.h"
+#include "webrtc/base/macutils.h"
+#include "webrtc/base/scoped_ptr.h"
+#include "webrtc/base/stringutils.h"
+
+namespace rtc {
+
+///////////////////////////////////////////////////////////////////////////////
+
+bool ToUtf8(const CFStringRef str16, std::string* str8) {
+ if ((NULL == str16) || (NULL == str8)) {
+ return false;
+ }
+ size_t maxlen = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str16),
+ kCFStringEncodingUTF8) + 1;
+ scoped_ptr<char[]> buffer(new char[maxlen]);
+ if (!buffer || !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;
+}
+
+#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
+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());
+}
+
+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;
+ case 6:
+ return kMacOSSnowLeopard;
+ case 7:
+ return kMacOSLion;
+ case 8:
+ return kMacOSMountainLion;
+ case 9:
+ return kMacOSMavericks;
+ }
+ 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;
+}
+
+bool RunAppleScript(const std::string& script) {
+ // TODO(thaloun): Add a .mm file that contains something like this:
+ // NSString source from script
+ // NSAppleScript* appleScript = [[NSAppleScript alloc] initWithSource:&source]
+ // if (appleScript != nil) {
+ // [appleScript executeAndReturnError:nil]
+ // [appleScript release]
+#ifndef CARBON_DEPRECATED
+ ComponentInstance component = NULL;
+ AEDesc script_desc;
+ AEDesc result_data;
+ OSStatus err;
+ OSAID script_id, result_id;
+
+ AECreateDesc(typeNull, NULL, 0, &script_desc);
+ AECreateDesc(typeNull, NULL, 0, &result_data);
+ script_id = kOSANullScript;
+ result_id = kOSANullScript;
+
+ component = OpenDefaultComponent(kOSAComponentType, typeAppleScript);
+ if (component == NULL) {
+ LOG(LS_ERROR) << "Failed opening Apple Script component";
+ return false;
+ }
+ err = AECreateDesc(typeUTF8Text, script.data(), script.size(), &script_desc);
+ if (err != noErr) {
+ CloseComponent(component);
+ LOG(LS_ERROR) << "Failed creating Apple Script description";
+ return false;
+ }
+
+ err = OSACompile(component, &script_desc, kOSAModeCanInteract, &script_id);
+ if (err != noErr) {
+ AEDisposeDesc(&script_desc);
+ if (script_id != kOSANullScript) {
+ OSADispose(component, script_id);
+ }
+ CloseComponent(component);
+ LOG(LS_ERROR) << "Error compiling Apple Script";
+ return false;
+ }
+
+ err = OSAExecute(component, script_id, kOSANullScript, kOSAModeCanInteract,
+ &result_id);
+
+ if (err == errOSAScriptError) {
+ LOG(LS_ERROR) << "Error when executing Apple Script: " << script;
+ AECreateDesc(typeNull, NULL, 0, &result_data);
+ OSAScriptError(component, kOSAErrorMessage, typeChar, &result_data);
+ int len = AEGetDescDataSize(&result_data);
+ char* data = (char*) malloc(len);
+ if (data != NULL) {
+ err = AEGetDescData(&result_data, data, len);
+ LOG(LS_ERROR) << "Script error: " << data;
+ }
+ AEDisposeDesc(&script_desc);
+ AEDisposeDesc(&result_data);
+ return false;
+ }
+ AEDisposeDesc(&script_desc);
+ if (script_id != kOSANullScript) {
+ OSADispose(component, script_id);
+ }
+ if (result_id != kOSANullScript) {
+ OSADispose(component, result_id);
+ }
+ CloseComponent(component);
+ return true;
+#else
+ // TODO(thaloun): Support applescripts with the NSAppleScript API.
+ return false;
+#endif // CARBON_DEPRECATED
+}
+#endif // WEBRTC_MAC && !defined(WEBRTC_IOS)
+
+///////////////////////////////////////////////////////////////////////////////
+
+} // namespace rtc