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-rw-r--r--host/include/uhd/types/dict.hpp8
-rw-r--r--host/include/uhd/types/dict.ipp8
-rw-r--r--host/lib/usrp/usrp1/usrp1_impl.cpp6
3 files changed, 18 insertions, 4 deletions
diff --git a/host/include/uhd/types/dict.hpp b/host/include/uhd/types/dict.hpp
index b14fc5425..6166140a0 100644
--- a/host/include/uhd/types/dict.hpp
+++ b/host/include/uhd/types/dict.hpp
@@ -71,6 +71,14 @@ namespace uhd{
bool has_key(const Key &key) const;
/*!
+ * Get a value in the dict or default.
+ * \param key the key to look for
+ * \param def use if key not found
+ * \return the value or default
+ */
+ const Val &get(const Key &key, const Val &def) const;
+
+ /*!
* Get a value for the given key if it exists.
* If the key is not found throw an error.
* \param key the key to look for
diff --git a/host/include/uhd/types/dict.ipp b/host/include/uhd/types/dict.ipp
index 85071e6fd..4aab5de45 100644
--- a/host/include/uhd/types/dict.ipp
+++ b/host/include/uhd/types/dict.ipp
@@ -86,6 +86,14 @@ namespace uhd{
}
template <typename Key, typename Val>
+ const Val &dict<Key, Val>::get(const Key &key, const Val &def) const{
+ BOOST_FOREACH(const pair_t &p, _map){
+ if (p.first == key) return p.second;
+ }
+ return def;
+ }
+
+ template <typename Key, typename Val>
const Val &dict<Key, Val>::operator[](const Key &key) const{
BOOST_FOREACH(const pair_t &p, _map){
if (p.first == key) return p.second;
diff --git a/host/lib/usrp/usrp1/usrp1_impl.cpp b/host/lib/usrp/usrp1/usrp1_impl.cpp
index 314384e72..bc478c7fb 100644
--- a/host/lib/usrp/usrp1/usrp1_impl.cpp
+++ b/host/lib/usrp/usrp1/usrp1_impl.cpp
@@ -59,9 +59,7 @@ static device_addrs_t usrp1_find(const device_addr_t &hint)
//extract the firmware path for the USRP1
std::string usrp1_fw_image;
try{
- usrp1_fw_image = find_image_path(
- hint.has_key("fw")? hint["fw"] : "usrp1_fw.ihx"
- );
+ usrp1_fw_image = find_image_path(hint.get("fw", "usrp1_fw.ihx"));
}
catch(...){
uhd::warning::post(
@@ -110,7 +108,7 @@ static device::sptr usrp1_make(const device_addr_t &device_addr){
//extract the FPGA path for the USRP1
std::string usrp1_fpga_image = find_image_path(
- device_addr.has_key("fpga")? device_addr["fpga"] : "usrp1_fpga.rbf"
+ device_addr.get("fpga", "usrp1_fpga.rbf")
);
//std::cout << "USRP1 FPGA image: " << usrp1_fpga_image << std::endl;