Add ValidatorsUtilities common code

modules/ripple_core/ripple_core.cpp

@@ -62,6 +62,8 @@ namespace ripple
 # include "test/ConfigType.h"
 #include "test/TestOverlay.cpp"
 
+# include "validator/ValidatorsUtilities.h"
+#include "validator/ValidatorsUtilities.cpp"
 # include "validator/ValidatorSourceStrings.h"
 # include "validator/ValidatorSourceTrustedUri.h"
 # include "validator/ValidatorsImp.h" // private

modules/ripple_core/validator/ValidatorsUtilities.cpp

@@ -0,0 +1,6 @@
+//------------------------------------------------------------------------------
+/*
+    Copyright (c) 2011-2013, OpenCoin, Inc.
+*/
+//==============================================================================
+

modules/ripple_core/validator/ValidatorsUtilities.h

@@ -0,0 +1,35 @@
+//------------------------------------------------------------------------------
+/*
+    Copyright (c) 2011-2013, OpenCoin, Inc.
+*/
+//==============================================================================
+
+#ifndef RIPPLE_CORE_VALIDATORSUTILITIES_H_INCLUDED
+#define RIPPLE_CORE_VALIDATORSUTILITIES_H_INCLUDED
+
+/** Common code for Validators classes.
+*/
+class ValidatorsUtilities
+{
+public:
+    typedef std::vector <std::string> Strings;
+
+    /** Turn a linear buffer of newline delimited text into strings.
+        This can be called incrementally, i.e. successive calls with
+        multiple buffer segments.
+    */
+    static void parseLines (Strings& lines, char const* buf, std::size_t bytes);
+
+    /** Parse a ConstBufferSequence of newline delimited text into strings.
+        This works incrementally.
+    */
+    template <typename ConstBufferSequence>
+    static void parseLines (Strings& lines, ConstBufferSequence const& buffers)
+    {
+        for (typename ConstBufferSequence::const_iterator iter = buffers.begin ();
+            iter != buffers.end (); ++iter)
+            parserLines (lines, *iter);
+    }
+};
+
+#endif