eget URI support

testApp/remote/pvutils.cpp

@@ -7,6 +7,7 @@
 #include <sstream>
 #include <iomanip>
 #include <stdexcept>
+#include <algorithm>
 
 using namespace std;
 using namespace std::tr1;
@@ -283,3 +284,39 @@ epics::pvData::FieldConstPtr GetFieldRequesterImpl::getField()
     Lock lock(m_pointerMutex);
     return m_field;
 }
+
+
+
+// TODO invalid characters check, etc.
+bool URI::parse(const string& uri, URI& result)
+{
+    const string prot_end("://");
+    string::const_iterator prot_i = search(uri.begin(), uri.end(),
+                                           prot_end.begin(), prot_end.end());
+    if( prot_i == uri.end() || prot_i == uri.begin() )
+        return false;
+
+    result.protocol.reserve(distance(uri.begin(), prot_i));
+    transform(uri.begin(), prot_i,
+              back_inserter(result.protocol),
+              ::tolower); // protocol is icase
+
+    advance(prot_i, prot_end.length());
+    if ( prot_i == uri.end() )
+        return false;
+
+    string::const_iterator path_i = find(prot_i, uri.end(), '/');
+    result.host.assign(prot_i, path_i);
+
+    string::const_iterator fragment_i = find(path_i, uri.end(), '#');
+    if ( fragment_i != uri.end() )
+        result.fragment.assign(fragment_i+1, uri.end());
+
+    string::const_iterator query_i = find(path_i, fragment_i, '?');
+    result.path.assign(path_i, query_i);
+    if( query_i != fragment_i )
+        result.query.assign(++query_i, fragment_i);
+
+    return true;
+}
+