1 files changed, 150 insertions, 0 deletions
diff --git a/host/lib/rfnoc/block_id.cpp b/host/lib/rfnoc/block_id.cpp
new file mode 100644
index 000000000..55bd5e6f7
--- /dev/null
+++ b/host/lib/rfnoc/block_id.cpp
@@ -0,0 +1,150 @@
+//
+// Copyright 2014 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 <boost/format.hpp>
+#include <boost/regex.hpp>
+#include <boost/lexical_cast.hpp>
+#include <uhd/exception.hpp>
+#include <uhd/property_tree.hpp>
+#include <uhd/rfnoc/constants.hpp>
+#include <uhd/rfnoc/block_id.hpp>
+
+#include <iostream>
+
+using namespace uhd::rfnoc;
+
+block_id_t::block_id_t() :
+    _device_no(0),
+    _block_name(""),
+    _block_ctr(0)
+{
+}
+
+block_id_t::block_id_t(const std::string &block_str)
+    : _device_no(0),
+    _block_name(""),
+    _block_ctr(0)
+{
+    if (not set(block_str)) {
+        throw uhd::value_error("block_id_t: Invalid block ID string.");
+    }
+}
+
+block_id_t::block_id_t(
+        const size_t device_no,
+        const std::string &block_name,
+        const size_t block_ctr
+) : _device_no(device_no),
+    _block_name(block_name),
+    _block_ctr(block_ctr)
+{
+    if (not is_valid_blockname(block_name)) {
+        throw uhd::value_error("block_id_t: Invalid block name.");
+    }
+}
+
+bool block_id_t::is_valid_blockname(const std::string &block_name)
+{
+    return boost::regex_match(block_name, boost::regex(VALID_BLOCKNAME_REGEX));
+}
+
+bool block_id_t::is_valid_block_id(const std::string &block_name)
+{
+    return boost::regex_match(block_name, boost::regex(VALID_BLOCKID_REGEX));
+}
+
+std::string block_id_t::to_string() const
+{
+    return str(boost::format("%d/%s")
+        % get_device_no()
+        % get_local()
+    );
+}
+
+std::string block_id_t::get_local() const
+{
+    return str(boost::format("%s_%d")
+        % get_block_name()
+        % get_block_count()
+    );
+}
+
+uhd::fs_path block_id_t::get_tree_root() const
+{
+    return str(boost::format("/mboards/%d/xbar/%s")
+        % get_device_no()
+        % get_local()
+    );
+}
+
+bool block_id_t::match(const std::string &block_str)
+{
+    boost::cmatch matches;
+    if (not boost::regex_match(block_str.c_str(), matches, boost::regex(VALID_BLOCKID_REGEX))) {
+        return false;
+    }
+    try {
+        return  (matches[1] == "" or boost::lexical_cast<size_t>(matches[1]) == _device_no)
+            and (matches[2] == "" or matches[2] == _block_name)
+            and (matches[3] == "" or boost::lexical_cast<size_t>(matches[3]) == _block_ctr)
+            and not (matches[1] == "" and matches[2] == "" and matches[3] == "");
+    } catch (const std::bad_cast &e) {
+        return false;
+    }
+    return false;
+}
+
+bool block_id_t::set(const std::string &new_name)
+{
+    boost::cmatch matches;
+    if (not boost::regex_match(new_name.c_str(), matches, boost::regex(VALID_BLOCKID_REGEX))) {
+        return false;
+    }
+    if (not (matches[1] == "")) {
+        _device_no = boost::lexical_cast<size_t>(matches[1]);
+    }
+    if (not (matches[2] == "")) {
+        _block_name = matches[2];
+    }
+    if (not (matches[3] == "")) {
+        _block_ctr = boost::lexical_cast<size_t>(matches[3]);
+    }
+    return true;
+}
+
+bool block_id_t::set(
+        const size_t device_no,
+        const std::string &block_name,
+        const size_t block_ctr
+) {
+    if (not set_block_name(block_name)) {
+        return false;
+    }
+    set_device_no(device_no);
+    set_block_count(block_ctr);
+    return true;
+}
+
+bool block_id_t::set_block_name(const std::string &block_name)
+{
+    if (not is_valid_blockname(block_name)) {
+        return false;
+    }
+    _block_name = block_name;
+    return true;
+}
+