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// shapeSTL.h
// this file is part of Context Free
// ---------------------
// Copyright (C) 2006-2007 Mark Lentczner - markl@glyphic.com
//
// 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 2
// 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, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// Mark Lentczner can be contacted at markl@glyphic.com or at
// Mark Lentczner, 1209 Villa St., Mountain View, CA 94041-1123, USA
//
//
#ifndef INCLUDE_SHAPESTL_H
#define INCLUDE_SHAPESTL_H
#ifdef _WIN32
#pragma warning( disable : 4786 )
#endif
#include <deque>
#include <functional>
#include <iostream>
#include <iterator>
#include <map>
#include <vector>
#include "cfdg.h"
#include "shape.h"
#include "tempfile.h"
class ShapeOp
{
public:
ShapeOp() { };
virtual ~ShapeOp();
virtual void apply(const FinishedShape&) = 0;
class iterator
{
public:
iterator(const iterator& i) : mOp(i.mOp) { }
iterator& operator++() { return *this; }
iterator& operator++(int) { return *this; }
iterator& operator*() { return *this; }
iterator& operator=(const FinishedShape& s)
{ mOp.apply(s); return *this; }
private:
friend class ShapeOp;
iterator(ShapeOp& op) : mOp(op) { }
void operator=(const iterator&); // not defined: can't be assigned
ShapeOp& mOp;
};
iterator outputIterator() { return iterator(*this); }
class function : public std::unary_function<const FinishedShape&, void>
{
public:
function(const function& f) : mOp(f.mOp) { }
void operator()(const FinishedShape& s) const
{ mOp.apply(s); }
private:
friend class ShapeOp;
function(ShapeOp& op) : mOp(op) { }
void operator=(const function&); // not defined: can't be assigned
ShapeOp& mOp;
};
function outputFunction() { return function(*this); }
private:
ShapeOp(const ShapeOp&);
ShapeOp& operator=(const ShapeOp&);
// not implemented, not copyable
};
class OutputMerge
{
public:
OutputMerge(AbstractSystem& system) : mSystem(system) { }
~OutputMerge();
typedef std::deque<FinishedShape> ShapeSource;
typedef ShapeSource::iterator ShapeIter;
void addShapes(ShapeIter begin, ShapeIter end);
typedef std::unary_function<ref_ptr<TempFile>, void > TempFileAdderBase;
class TempFileAdder: public TempFileAdderBase
{
public:
void operator()(ref_ptr<TempFile>& t) { mOM.addTempFile(t); }
private:
TempFileAdder(OutputMerge& om) : mOM(om) { }
TempFileAdder& operator=(const TempFileAdder&) { return *this; }
OutputMerge& mOM;
friend class OutputMerge;
};
TempFileAdder tempFileAdder() { return TempFileAdder(*this); }
void addTempFile(ref_ptr<TempFile>);
template < typename O >
void merge(O output)
{
while (!mSieve.empty()) {
Sieve::iterator nextShape = mSieve.begin();
*output++ = nextShape->first;
int i = nextShape->second;
mSieve.erase(nextShape);
insertNext(i);
}
}
private:
typedef std::istream_iterator<FinishedShape> FileIter;
typedef std::vector<std::istream*> FileStreams;
typedef std::vector<FileIter> FileIters;
AbstractSystem& mSystem;
FileStreams mStreams;
FileIters mIters;
FileIter mFileEnd;
ShapeIter mShapesNext;
ShapeIter mShapesEnd;
typedef std::map<FinishedShape, int> Sieve;
typedef Sieve::value_type SievePair;
Sieve mSieve;
void insertNext(int i);
OutputMerge& operator=(const OutputMerge&) { return *this; }
};
#endif // INCLUDE_SHAPESTL_H
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