3 * Definition of helper classes for expression output. */
6 * GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifndef __GINAC_PRINT_H__
24 #define __GINAC_PRINT_H__
33 * The following classes remain publicly visible for compatibility
34 * reasons only. New code should use the iostream manipulators defined
35 * in operators.h instead.
39 /** Flags to control the behavior of a print_context. */
43 print_index_dimensions = 0x0001 ///< print the dimensions of indices
48 /** Context for default (ginsh-parsable) output. */
53 print_context(std::ostream &, unsigned options = 0);
54 virtual ~print_context() {}
55 virtual print_context * duplicate() const {return new print_context(*this);}
57 std::ostream & s; /**< stream to output to */
58 unsigned options; /**< option flags */
61 /** Context for latex-parsable output. */
62 class print_latex : public print_context
66 print_latex(std::ostream &, unsigned options = 0);
67 print_context * duplicate() const {return new print_latex(*this);}
70 /** Context for python pretty-print output. */
71 class print_python : public print_context
75 print_python(std::ostream &, unsigned options = 0);
76 print_context * duplicate() const {return new print_python(*this);}
79 /** Context for python-parsable output. */
80 class print_python_repr : public print_context
84 print_python_repr(std::ostream &, unsigned options = 0);
85 print_context * duplicate() const {return new print_python_repr(*this);}
88 /** Context for tree-like output for debugging. */
89 class print_tree : public print_context
92 print_tree(unsigned d = 4);
93 print_tree(std::ostream &, unsigned options = 0, unsigned d = 4);
94 print_context * duplicate() const {return new print_tree(*this);}
96 const unsigned delta_indent; /**< size of indentation step */
99 /** Base context for C source output. */
100 class print_csrc : public print_context
104 print_csrc(std::ostream &, unsigned options = 0);
105 print_context * duplicate() const {return new print_csrc(*this);}
108 /** Context for C source output using float precision. */
109 class print_csrc_float : public print_csrc
113 print_csrc_float(std::ostream &, unsigned options = 0);
114 print_context * duplicate() const {return new print_csrc_float(*this);}
117 /** Context for C source output using double precision. */
118 class print_csrc_double : public print_csrc
122 print_csrc_double(std::ostream &, unsigned options = 0);
123 print_context * duplicate() const {return new print_csrc_double(*this);}
126 /** Context for C source output using CLN numbers. */
127 class print_csrc_cl_N : public print_csrc
131 print_csrc_cl_N(std::ostream &, unsigned options = 0);
132 print_context * duplicate() const {return new print_csrc_cl_N(*this);}
135 /** Check if obj is a T, including base classes. */
137 inline bool is_a(const print_context & obj)
138 { return dynamic_cast<const T *>(&obj)!=0; }
142 #endif // ndef __GINAC_BASIC_H__