From 81c15feaafca2b788b89e55669f1c3ad370a89d2 Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Sat, 25 Jun 2011 16:39:32 -0700
Subject: uhd: created a property tree to store properties

---
 host/include/uhd/CMakeLists.txt |  1 +
 host/include/uhd/exception.hpp  |  6 +++---
 host/include/uhd/property.hpp   |  6 +++++-
 host/lib/CMakeLists.txt         |  1 +
 host/tests/property_test.cpp    | 25 +++++++++++++++++++++++++
 5 files changed, 35 insertions(+), 4 deletions(-)

(limited to 'host')

diff --git a/host/include/uhd/CMakeLists.txt b/host/include/uhd/CMakeLists.txt
index c3c51279c..1ee3e69df 100644
--- a/host/include/uhd/CMakeLists.txt
+++ b/host/include/uhd/CMakeLists.txt
@@ -27,6 +27,7 @@ INSTALL(FILES
     device.hpp
     exception.hpp
     property.hpp
+    property_tree.hpp
     version.hpp
     wax.hpp
     DESTINATION ${INCLUDE_DIR}/uhd
diff --git a/host/include/uhd/exception.hpp b/host/include/uhd/exception.hpp
index 10cd8f501..c05861788 100644
--- a/host/include/uhd/exception.hpp
+++ b/host/include/uhd/exception.hpp
@@ -15,8 +15,8 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //
 
-#ifndef INCLUDED_UHD_UTILS_EXCEPTION_HPP
-#define INCLUDED_UHD_UTILS_EXCEPTION_HPP
+#ifndef INCLUDED_UHD_EXCEPTION_HPP
+#define INCLUDED_UHD_EXCEPTION_HPP
 
 #include <uhd/config.hpp>
 #include <boost/current_function.hpp>
@@ -163,4 +163,4 @@ namespace uhd{
 
 } //namespace uhd
 
-#endif /* INCLUDED_UHD_UTILS_EXCEPTION_HPP */
+#endif /* INCLUDED_UHD_EXCEPTION_HPP */
diff --git a/host/include/uhd/property.hpp b/host/include/uhd/property.hpp
index 5b47f9482..e3b917334 100644
--- a/host/include/uhd/property.hpp
+++ b/host/include/uhd/property.hpp
@@ -25,7 +25,11 @@
 
 namespace uhd{
 
-template <typename T> class property{
+/*!
+ * A templated property interface for holding a value
+ * and registering callbacks when that value changes.
+ */
+template <typename T> class UHD_API property{
 public:
     typedef boost::function<void(const T &)> subscriber_type;
     typedef boost::function<T(const T &)> master_type;
diff --git a/host/lib/CMakeLists.txt b/host/lib/CMakeLists.txt
index ebb211566..60ddbce5b 100644
--- a/host/lib/CMakeLists.txt
+++ b/host/lib/CMakeLists.txt
@@ -89,6 +89,7 @@ SET_SOURCE_FILES_PROPERTIES(
 LIBUHD_APPEND_SOURCES(
     ${CMAKE_CURRENT_SOURCE_DIR}/device.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/exception.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/property_tree.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/version.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/wax.cpp
 )
diff --git a/host/tests/property_test.cpp b/host/tests/property_test.cpp
index c5ef7f1c9..0cea20c8c 100644
--- a/host/tests/property_test.cpp
+++ b/host/tests/property_test.cpp
@@ -17,7 +17,9 @@
 
 #include <boost/test/unit_test.hpp>
 #include <uhd/property.hpp>
+#include <uhd/property_tree.hpp>
 #include <boost/bind.hpp>
+#include <iostream>
 
 struct coercer_type{
     int doit(int x){
@@ -73,3 +75,26 @@ BOOST_AUTO_TEST_CASE(test_prop_with_coercion){
     BOOST_CHECK_EQUAL(prop.get(), 32);
     BOOST_CHECK_EQUAL(setter._x, 32);
 }
+
+BOOST_AUTO_TEST_CASE(test_prop_tree){
+    uhd::property_tree::sptr tree = uhd::property_tree::make();
+
+    tree->create("/test/prop0", uhd::property<int>());
+    tree->create("/test/prop1", uhd::property<int>());
+
+    BOOST_CHECK(tree->exists("/test"));
+    BOOST_CHECK(tree->exists("/test/prop0"));
+    BOOST_CHECK(tree->exists("/test/prop1"));
+
+    tree->access<int>("/test/prop0").set(42);
+    tree->access<int>("/test/prop1").set(34);
+
+    tree->remove("/test/prop0");
+    BOOST_CHECK(not tree->exists("/test/prop0"));
+    BOOST_CHECK(tree->exists("/test/prop1"));
+
+    tree->remove("/test");
+    BOOST_CHECK(not tree->exists("/test/prop0"));
+    BOOST_CHECK(not tree->exists("/test/prop1"));
+
+}
-- 
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