1 /* Frobby: Software for monomial ideal computations.
2    Copyright (C) 2009 Bjarke Hammersholt Roune (www.broune.com)
3 
4    This program is free software; you can redistribute it and/or modify
5    it under the terms of the GNU General Public License as published by
6    the Free Software Foundation; either version 2 of the License, or
7    (at your option) any later version.
8 
9    This program is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12    GNU General Public License for more details.
13 
14    You should have received a copy of the GNU General Public License
15    along with this program.  If not, see http://www.gnu.org/licenses/.
16 */
17 #ifndef COLUMN_PRINTER_GUARD
18 #define COLUMN_PRINTER_GUARD
19 
20 #include "ElementDeleter.h"
21 
22 #include <sstream>
23 #include <vector>
24 
25 class FrobbyStringStream;
26 
27 class ColumnPrinter {
28  public:
29   ColumnPrinter(size_t columnCount = 0);
30 
31   void setPrefix(const string& prefix);
32   void addColumn(bool flushLeft = true,
33 				 const string& prefix = "  ", const string& suffix = "");
34   size_t getColumnCount() const;
35 
36   ostream& operator[](size_t col);
37 
38   void print(ostream& out) const;
39   void print(FrobbyStringStream& out) const;
40 
41  private:
42   struct Col {
43 	string prefix;
44 	stringstream text;
45 	string suffix;
46 	bool flushLeft;
47   };
48   vector<Col*> _cols;
49   ElementDeleter<vector<Col*> > _colsDeleter;
50   string _prefix;
51 };
52 
53 ostream& operator<<(ostream& out, const ColumnPrinter& printer);
54 void print(FILE* out, const ColumnPrinter& pr);
55 
56 #endif
57