X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FMoof%2FSettings.cc;fp=src%2FMoof%2FSettings.cc;h=d13302d729234f2f7c6aa5710646dae82cf8a53b;hp=0000000000000000000000000000000000000000;hb=c2321281bf12a7efaedde930422c7ddbc92080d4;hpb=87bc17e55b0c1dc73ecc66df856d3f08fd7a7724

diff --git a/src/Moof/Settings.cc b/src/Moof/Settings.cc
new file mode 100644
index 0000000..d13302d
--- /dev/null
+++ b/src/Moof/Settings.cc
@@ -0,0 +1,135 @@
+
+/*******************************************************************************
+
+ Copyright (c) 2009, Charles McGarvey
+ 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.
+ 
+ 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 HOLDER 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 <sstream>
+#include <cstdlib>		// getenv
+#include <cstring>		// strchr
+
+#include <boost/algorithm/string.hpp>
+
+#include "Settings.hh"
+
+
+namespace Mf {
+
+
+Settings::Settings(int argc, char* argv[])
+{
+	parseArgs(argc, argv);
+}
+
+
+void Settings::parseArgs(int argc, char* argv[])
+{
+	for (int i = 1; i < argc; i++)
+	{
+		char* where = strchr(argv[i], (int)'=');
+
+		if (where)
+		{
+			std::string key(argv[i], (size_t)(where - argv[i]));
+			std::string stringValue(where + 1);
+
+			std::stringstream stream;
+			stream << stringValue << std::endl;
+
+			Deserializer deserializer(stream);
+
+			try
+			{
+				SerializablePtr value(deserializer.deserialize());
+				map_[key] = value;
+			}
+			catch (std::exception e)
+			{
+				// it doesn't deserialize to anything we know, so just store it
+				// as a string
+				map_[key] = SerializablePtr(new SerializableString(stringValue));
+			}
+		}
+	}
+}
+
+
+void Settings::loadFromFile(const std::string& filePath, bool precedence)
+{
+	std::vector<std::string> paths;
+	boost::split(paths, filePath, boost::is_any_of(":"));
+
+	loadFromFiles(paths, precedence);
+}
+
+void Settings::loadFromFiles(const std::vector<std::string>& filePaths,
+		bool precedence)
+{
+	std::vector<std::string>::const_iterator it;
+
+	char* home = getenv("HOME");
+
+	for (it = filePaths.begin(); it != filePaths.end(); it++)
+	{
+		std::string path = *it;
+
+		if (home)
+		{
+			boost::replace_first(path, "$HOME", home);
+		}
+
+		Deserializer deserializer(*it, true);
+
+		std::cout << "Looking for a config file at " << path << std::endl;
+		try
+		{
+			SerializablePtr obj = deserializer.deserialize();
+			std::map<std::string,SerializablePtr> map;
+			if (obj && obj->get(map))
+			{
+				if (!precedence)
+				{
+					map_.insert(map.begin(), map.end());
+				}
+				else
+				{
+					map.insert(map_.begin(), map_.end());
+					map_ = map;
+				}
+			}
+		}
+		catch (Deserializer::Exception e)
+		{
+			std::cerr << "Cannot load settings from " << *it <<
+				" because an exception was thrown: " << e.what() << std::endl;
+		}
+	}
+}
+
+
+} // namepsace Mf
+
+/** vim: set ts=4 sw=4 tw=80: *************************************************/
+