ps.h revision 104862 
1// -*- C++ -*-
2/* Copyright (C) 1989, 1990, 1991, 1992, 2002 Free Software Foundation, Inc.
3     Written by James Clark (jjc@jclark.com)
4
5This file is part of groff.
6
7groff is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 2, or (at your option) any later
10version.
11
12groff is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License along
18with groff; see the file COPYING.  If not, write to the Free Software
19Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20
21class ps_output {
22public:
23  ps_output(FILE *, int max_line_length);
24  ps_output &put_string(const char *, int);
25  ps_output &put_number(int);
26  ps_output &put_fix_number(int);
27  ps_output &put_float(double);
28  ps_output &put_symbol(const char *);
29  ps_output &put_color(unsigned int);
30  ps_output &put_literal_symbol(const char *);
31  ps_output &set_fixed_point(int);
32  ps_output &simple_comment(const char *);
33  ps_output &begin_comment(const char *);
34  ps_output &comment_arg(const char *);
35  ps_output &end_comment();
36  ps_output &set_file(FILE *);
37  ps_output &include_file(FILE *);
38  ps_output &copy_file(FILE *);
39  ps_output &end_line();
40  ps_output &put_delimiter(char);
41  ps_output &special(const char *);
42  FILE *get_file();
43private:
44  FILE *fp;
45  int col;
46  int max_line_length;		// not including newline
47  int need_space;
48  int fixed_point;
49};
50
51inline FILE *ps_output::get_file()
52{
53  return fp;
54}
55
56enum resource_type {
57  RESOURCE_FONT,
58  RESOURCE_PROCSET,
59  RESOURCE_FILE,
60  RESOURCE_ENCODING,
61  RESOURCE_FORM,
62  RESOURCE_PATTERN
63  };
64
65struct resource;
66
67extern string an_empty_string;
68
69class resource_manager {
70public:
71  resource_manager();
72  ~resource_manager();
73  void import_file(const char *filename, ps_output &);
74  void need_font(const char *name);
75  void print_header_comments(ps_output &);
76  void document_setup(ps_output &);
77  void output_prolog(ps_output &);
78private:
79  unsigned extensions;
80  unsigned language_level;
81  resource *procset_resource;
82  resource *resource_list;
83  resource *lookup_resource(resource_type type, string &name,
84			    string &version = an_empty_string,
85			    unsigned revision = 0);
86  resource *lookup_font(const char *name);
87  void read_download_file();
88  void supply_resource(resource *r, int rank, FILE *outfp,
89		       int is_document = 0);
90  void process_file(int rank, FILE *fp, const char *filename, FILE *outfp);
91  resource *read_file_arg(const char **);
92  resource *read_procset_arg(const char **);
93  resource *read_font_arg(const char **);
94  resource *read_resource_arg(const char **);
95  void print_resources_comment(unsigned flag, FILE *outfp);
96  void print_extensions_comment(FILE *outfp);
97  void print_language_level_comment(FILE *outfp);
98  int do_begin_resource(const char *ptr, int rank, FILE *fp, FILE *outfp);
99  int do_include_resource(const char *ptr, int rank, FILE *fp, FILE *outfp);
100  int do_begin_document(const char *ptr, int rank, FILE *fp, FILE *outfp);
101  int do_include_document(const char *ptr, int rank, FILE *fp, FILE *outfp);
102  int do_begin_procset(const char *ptr, int rank, FILE *fp, FILE *outfp);
103  int do_include_procset(const char *ptr, int rank, FILE *fp, FILE *outfp);
104  int do_begin_font(const char *ptr, int rank, FILE *fp, FILE *outfp);
105  int do_include_font(const char *ptr, int rank, FILE *fp, FILE *outfp);
106  int do_begin_file(const char *ptr, int rank, FILE *fp, FILE *outfp);
107  int do_include_file(const char *ptr, int rank, FILE *fp, FILE *outfp);
108  int change_to_end_resource(const char *ptr, int rank, FILE *fp, FILE *outfp);
109  int do_begin_preview(const char *ptr, int rank, FILE *fp, FILE *outfp);
110  int do_begin_data(const char *ptr, int rank, FILE *fp, FILE *outfp);
111  int do_begin_binary(const char *ptr, int rank, FILE *fp, FILE *outfp);
112};
113
114extern unsigned broken_flags;
115
116// broken_flags is ored from these
117
118enum {
119  NO_SETUP_SECTION = 01,
120  STRIP_PERCENT_BANG = 02,
121  STRIP_STRUCTURE_COMMENTS = 04,
122  USE_PS_ADOBE_2_0 = 010
123};
124