Load user information from preferences, fps display for testing

1 files changed, 178 insertions, 0 deletions

diff --git a/src/cajun/writer.cpp b/src/cajun/writer.cpp
new file mode 100644
index 0000000..446d076
--- /dev/null
+++ b/src/cajun/writer.cpp
@@ -0,0 +1,178 @@
+/******************************************************************************
+
+Copyright (c) 2009-2010, Terry Caton
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+    * Redistributions of source code must retain the above copyright 
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * Neither the name of the projecct nor the names of its contributors 
+      may be used to endorse or promote products derived from this software 
+      without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+******************************************************************************/
+
+#include <iostream>
+#include <iomanip>
+#include "writer.h"
+
+/*  
+
+TODO:
+* better documentation
+* unicode character encoding
+
+*/
+
+namespace json
+{
+
+
+inline void Writer::Write(const UnknownElement& elementRoot, std::ostream& ostr) { Write_i(elementRoot, ostr); }
+inline void Writer::Write(const Object& object, std::ostream& ostr)              { Write_i(object, ostr); }
+inline void Writer::Write(const Array& array, std::ostream& ostr)                { Write_i(array, ostr); }
+inline void Writer::Write(const Number& number, std::ostream& ostr)              { Write_i(number, ostr); }
+inline void Writer::Write(const String& string, std::ostream& ostr)              { Write_i(string, ostr); }
+inline void Writer::Write(const Boolean& boolean, std::ostream& ostr)            { Write_i(boolean, ostr); }
+inline void Writer::Write(const Null& null, std::ostream& ostr)                  { Write_i(null, ostr); }
+
+
+inline Writer::Writer(std::ostream& ostr) :
+   m_ostr(ostr),
+   m_nTabDepth(0)
+{}
+
+template <typename ElementTypeT>
+void Writer::Write_i(const ElementTypeT& element, std::ostream& ostr)
+{
+   Writer writer(ostr);
+   writer.Write_i(element);
+   ostr.flush(); // all done
+}
+
+inline void Writer::Write_i(const Array& array)
+{
+   if (array.Empty())
+      m_ostr << "[]";
+   else
+   {
+      m_ostr << '[' << std::endl;
+      ++m_nTabDepth;
+
+      Array::const_iterator it(array.Begin()),
+                            itEnd(array.End());
+      while (it != itEnd) {
+         m_ostr << std::string(m_nTabDepth, '\t');
+         
+         Write_i(*it);
+
+         if (++it != itEnd)
+            m_ostr << ',';
+         m_ostr << std::endl;
+      }
+
+      --m_nTabDepth;
+      m_ostr << std::string(m_nTabDepth, '\t') << ']';
+   }
+}
+
+inline void Writer::Write_i(const Object& object)
+{
+   if (object.Empty())
+      m_ostr << "{}";
+   else
+   {
+      m_ostr << '{' << std::endl;
+      ++m_nTabDepth;
+
+      Object::const_iterator it(object.Begin()),
+                             itEnd(object.End());
+      while (it != itEnd) {
+         m_ostr << std::string(m_nTabDepth, '\t');
+         
+         Write_i(it->name);
+
+         m_ostr << " : ";
+         Write_i(it->element); 
+
+         if (++it != itEnd)
+            m_ostr << ',';
+         m_ostr << std::endl;
+      }
+
+      --m_nTabDepth;
+      m_ostr << std::string(m_nTabDepth, '\t') << '}';
+   }
+}
+
+inline void Writer::Write_i(const Number& numberElement)
+{
+   m_ostr << std::setprecision(20) << numberElement.Value();
+}
+
+inline void Writer::Write_i(const Boolean& booleanElement)
+{
+   m_ostr << (booleanElement.Value() ? "true" : "false");
+}
+
+inline void Writer::Write_i(const String& stringElement)
+{
+   m_ostr << '"';
+
+   const std::string& s = stringElement.Value();
+   std::string::const_iterator it(s.begin()),
+                               itEnd(s.end());
+   for (; it != itEnd; ++it)
+   {
+      switch (*it)
+      {
+         case '"':         m_ostr << "\\\"";   break;
+         case '\\':        m_ostr << "\\\\";   break;
+         case '\b':        m_ostr << "\\b";    break;
+         case '\f':        m_ostr << "\\f";    break;
+         case '\n':        m_ostr << "\\n";    break;
+         case '\r':        m_ostr << "\\r";    break;
+         case '\t':        m_ostr << "\\t";    break;
+		 //case '\u':        m_ostr << "\\u";    break; // uh...
+         default:          m_ostr << *it;      break;
+      }
+   }
+
+   m_ostr << '"';   
+}
+
+inline void Writer::Write_i(const Null& )
+{
+   m_ostr << "null";
+}
+
+inline void Writer::Write_i(const UnknownElement& unknown)
+{
+   unknown.Accept(*this); 
+}
+
+inline void Writer::Visit(const Array& array)       { Write_i(array); }
+inline void Writer::Visit(const Object& object)     { Write_i(object); }
+inline void Writer::Visit(const Number& number)     { Write_i(number); }
+inline void Writer::Visit(const String& string)     { Write_i(string); }
+inline void Writer::Visit(const Boolean& boolean)   { Write_i(boolean); }
+inline void Writer::Visit(const Null& null)         { Write_i(null); }
+
+
+
+} // End namespace