From ba2a6b4b39f66f0edaef710561019d7cd43cb417 Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Sat, 25 Jun 2011 20:23:19 -0700
Subject: uhd: forgot to commit properties file

---
 host/lib/property_tree.cpp | 104 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 host/lib/property_tree.cpp

(limited to 'host/lib/property_tree.cpp')

diff --git a/host/lib/property_tree.cpp b/host/lib/property_tree.cpp
new file mode 100644
index 000000000..7cda7a524
--- /dev/null
+++ b/host/lib/property_tree.cpp
@@ -0,0 +1,104 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+#include <uhd/property_tree.hpp>
+#include <uhd/types/dict.hpp>
+#include <boost/foreach.hpp>
+#include <boost/thread/mutex.hpp>
+#include <iostream>
+
+class property_tree_impl : public uhd::property_tree{
+public:
+
+    void remove(const path_type &path){
+        boost::mutex::scoped_lock lock(_mutex);
+
+        node_type *parent = NULL;
+        node_type *node = &_root;
+        BOOST_FOREACH(const std::string &leaf, path){
+            if (not node->has_key(leaf)) throw_path_not_found(path);
+            parent = node;
+            node = &(*node)[leaf];
+        }
+        if (parent == NULL) throw uhd::runtime_error("Cannot uproot");
+        parent->pop(path.leaf());
+    }
+
+    bool exists(const path_type &path){
+        boost::mutex::scoped_lock lock(_mutex);
+
+        node_type *node = &_root;
+        BOOST_FOREACH(const std::string &leaf, path){
+            if (not node->has_key(leaf)) return false;
+            node = &(*node)[leaf];
+        }
+        return true;
+    }
+
+    iterator_type iterate(const path_type &path){
+        boost::mutex::scoped_lock lock(_mutex);
+
+        node_type *node = &_root;
+        BOOST_FOREACH(const std::string &leaf, path){
+            if (not node->has_key(leaf)) throw_path_not_found(path);
+            node = &(*node)[leaf];
+        }
+
+        iterator_type iter;
+        BOOST_FOREACH(const std::string &name, node->keys()){
+            iter.push_back(name);
+        }
+        return iter;
+    }
+
+    void _create(const path_type &path, const boost::any &prop){
+        boost::mutex::scoped_lock lock(_mutex);
+
+        node_type *node = &_root;
+        BOOST_FOREACH(const std::string &leaf, path){
+            if (not node->has_key(leaf)) (*node)[leaf] = node_type();
+            node = &(*node)[leaf];
+        }
+        node->prop = prop;
+    }
+
+    boost::any &_access(const path_type &path){
+        boost::mutex::scoped_lock lock(_mutex);
+
+        node_type *node = &_root;
+        BOOST_FOREACH(const std::string &leaf, path){
+            if (not node->has_key(leaf)) throw_path_not_found(path);
+            node = &(*node)[leaf];
+        }
+        return node->prop;
+    }
+
+private:
+    void throw_path_not_found(const path_type &path){
+        throw uhd::lookup_error("Path not found in tree: " + path.string());
+    }
+
+    struct node_type : uhd::dict<std::string, node_type>{
+        boost::any prop;
+    } _root;
+
+    boost::mutex _mutex;
+};
+
+uhd::property_tree::sptr uhd::property_tree::make(void){
+    return sptr(new property_tree_impl());
+}
-- 
cgit v1.2.3