DelayedFormat.cpp

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* Copyright (C) 2006, Novell, Inc. All rights reserved.
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#include "blocxx/BLOCXX_config.h"
#include "blocxx/DelayedFormat.hpp"
#include "blocxx/StringStream.hpp"
#include "blocxx/Assertion.hpp"

namespace BLOCXX_NAMESPACE
{
   namespace DelayedFormatInternals
   {
      DelayedFormatReferenceBase::DelayedFormatReferenceBase()
      {
      }
      DelayedFormatReferenceBase::~DelayedFormatReferenceBase()
      {
      }
      std::ostream& DelayedFormatReferenceBase::dumpToStream(std::ostream& o) const
      {
         return doDumpToStream(o);
      }
      std::ostream& operator<<(std::ostream& o, const DelayedFormatReferenceBase& s)
      {
         return s.dumpToStream(o);
      }
   }

   DelayedFormat::DelayedFormat(const String& format)
      : formatString(format), formatParameters()
   {
   }

   DelayedFormat::operator String() const
   {
      return format().toString();
   }

   Format DelayedFormat::format() const
   {
      return formatWithString(formatString.c_str());
   }

   Format DelayedFormat::formatWithString(const String& fs) const
   {
      return formatWithString(fs.c_str());
   }

   Format DelayedFormat::formatWithString(const char* fsp) const
   {
      // The constructors allow up to 9 (inclusive) parameters.
      BLOCXX_ASSERT( formatParameters.size() <= 9 );
      const Array<Reference<DelayedFormatInternals::DelayedFormatReferenceBase> >& fp = formatParameters;
      switch( formatParameters.size() )
      {
      case 0:
         return Format(fsp, "");
      case 1:
         return Format(fsp, *fp[0]);
      case 2:
         return Format(fsp, *fp[0], *fp[1]);
      case 3:
         return Format(fsp, *fp[0], *fp[1], *fp[2]);
      case 4:
         return Format(fsp, *fp[0], *fp[1], *fp[2], *fp[3]);
      case 5:
         return Format(fsp, *fp[0], *fp[1], *fp[2], *fp[3], *fp[4]);
      case 6:
         return Format(fsp, *fp[0], *fp[1], *fp[2], *fp[3], *fp[4], *fp[5]);
      case 7:
         return Format(fsp, *fp[0], *fp[1], *fp[2], *fp[3], *fp[4], *fp[5], *fp[6]);
      case 8:
         return Format(fsp, *fp[0], *fp[1], *fp[2], *fp[3], *fp[4], *fp[5], *fp[6], *fp[7]);
      case 9:
         return Format(fsp, *fp[0], *fp[1], *fp[2], *fp[3], *fp[4], *fp[5], *fp[6], *fp[7], *fp[8]);
      }
      // Never reached.
      return Format("","");
   }


} // end namespace BLOCXX_NAMESPACE