1 files changed, 154 insertions, 0 deletions
diff --git a/mmc_updater/src/UpdaterOptions.cpp b/mmc_updater/src/UpdaterOptions.cpp
new file mode 100644
index 00000000..ae34562d
--- /dev/null
+++ b/mmc_updater/src/UpdaterOptions.cpp
@@ -0,0 +1,154 @@
+#include "UpdaterOptions.h"
+
+#include "Log.h"
+#include "AnyOption/anyoption.h"
+#include "FileUtils.h"
+#include "Platform.h"
+#include "StringUtils.h"
+
+#include <cstdlib>
+#include <iostream>
+
+UpdaterOptions::UpdaterOptions()
+: mode(UpdateInstaller::Setup)
+, waitPid(0)
+, showVersion(false)
+, forceElevated(false)
+, autoClose(false)
+{
+}
+
+UpdateInstaller::Mode stringToMode(const std::string& modeStr)
+{
+	if (modeStr == "main")
+	{
+		return UpdateInstaller::Main;
+	}
+	else
+	{
+		if (!modeStr.empty())
+		{
+			LOG(Error,"Unknown mode " + modeStr);
+		}
+		return UpdateInstaller::Setup;
+	}
+}
+
+void UpdaterOptions::parseOldFormatArg(const std::string& arg, std::string* key, std::string* value)
+{
+	size_t pos = arg.find('=');
+	if (pos != std::string::npos)
+	{
+		*key = arg.substr(0,pos);
+		*value = arg.substr(pos+1);
+	}
+}
+
+// this is a compatibility function to allow the updater binary
+// to be involved by legacy versions of Mendeley Desktop
+// which used a different syntax for the updater's command-line
+// arguments
+void UpdaterOptions::parseOldFormatArgs(int argc, char** argv)
+{
+	for (int i=0; i < argc; i++)
+	{
+		std::string key;
+		std::string value;
+
+		parseOldFormatArg(argv[i],&key,&value);
+
+		if (key == "CurrentDir")
+		{
+			// CurrentDir is the directory containing the main application
+			// binary.  On Mac and Linux this differs from the root of
+			// the installation directory
+
+#ifdef PLATFORM_LINUX
+			// the main binary is in lib/mendeleydesktop/libexec,
+			// go up 3 levels
+			installDir = FileUtils::canonicalPath((value + "/../../../").c_str());
+#elif defined(PLATFORM_MAC)
+			// the main binary is in Contents/MacOS,
+			// go up 2 levels
+			installDir = FileUtils::canonicalPath((value + "/../../").c_str());
+#elif defined(PLATFORM_WINDOWS)
+			// the main binary is in the root of the install directory
+			installDir = value;
+#endif
+		}
+		else if (key == "TempDir")
+		{
+			packageDir = value;
+		}
+		else if (key == "UpdateScriptFileName")
+		{
+			scriptPath = value;
+		}
+		else if (key == "AppFileName")
+		{
+			// TODO - Store app file name
+		}
+		else if (key == "PID")
+		{
+			waitPid = static_cast<PLATFORM_PID>(atoll(value.c_str()));
+		}
+		else if (key == "--main")
+		{
+			mode = UpdateInstaller::Main;
+		}
+	}
+}
+
+void UpdaterOptions::parse(int argc, char** argv)
+{
+	AnyOption parser;
+	parser.setOption("install-dir");
+	parser.setOption("package-dir");
+	parser.setOption("finish-cmd");
+	parser.setOption("script");
+	parser.setOption("wait");
+	parser.setOption("mode");
+	parser.setFlag("version");
+	parser.setFlag("force-elevated");
+	parser.setFlag("auto-close");
+
+	parser.processCommandArgs(argc,argv);
+
+	if (parser.getValue("mode"))
+	{
+		mode = stringToMode(parser.getValue("mode"));
+	}
+	if (parser.getValue("install-dir"))
+	{
+		installDir = parser.getValue("install-dir");
+	}
+	if (parser.getValue("package-dir"))
+	{
+		packageDir = parser.getValue("package-dir");
+	}
+	if (parser.getValue("script"))
+	{
+		scriptPath = parser.getValue("script");
+	}
+	if (parser.getValue("wait"))
+	{
+		waitPid = static_cast<PLATFORM_PID>(atoll(parser.getValue("wait")));
+	}
+	if (parser.getValue("finish-cmd"))
+	{
+		finishCmd = parser.getValue("finish-cmd");
+	}
+
+	showVersion = parser.getFlag("version");
+	forceElevated = parser.getFlag("force-elevated");
+	autoClose = parser.getFlag("auto-close");
+		
+	if (installDir.empty())
+	{
+		// if no --install-dir argument is present, try parsing
+		// the command-line arguments in the old format (which uses
+		// a list of 'Key=Value' args)
+		parseOldFormatArgs(argc,argv);
+	}
+}
+