1 // -*- C++ -*-
2 /* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
3 Written by James Clark (jjc@jclark.com)
4
5 This file is part of groff.
6
7 groff is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
10 version.
11
12 groff is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 for more details.
16
17 You should have received a copy of the GNU General Public License along
18 with groff; see the file COPYING. If not, write to the Free Software
19 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
20
21 class ps_output {
22 public:
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_literal_symbol(const char *);
30 ps_output &set_fixed_point(int);
31 ps_output &simple_comment(const char *);
32 ps_output &begin_comment(const char *);
33 ps_output &comment_arg(const char *);
34 ps_output &end_comment();
35 ps_output &set_file(FILE *);
36 ps_output &include_file(FILE *);
37 ps_output ©_file(FILE *);
38 ps_output &end_line();
39 ps_output &put_delimiter(char);
40 ps_output &special(const char *);
41 FILE *get_file();
42 private:
43 FILE *fp;
44 int col;
45 int max_line_length; // not including newline
46 int need_space;
47 int fixed_point;
48 };
49
get_file()50 inline FILE *ps_output::get_file()
51 {
52 return fp;
53 }
54
55 enum resource_type {
56 RESOURCE_FONT,
57 RESOURCE_PROCSET,
58 RESOURCE_FILE,
59 RESOURCE_ENCODING,
60 RESOURCE_FORM,
61 RESOURCE_PATTERN
62 };
63
64 struct resource;
65
66 extern string an_empty_string;
67
68 class resource_manager {
69 public:
70 resource_manager();
71 ~resource_manager();
72 void import_file(const char *filename, ps_output &);
73 void need_font(const char *name);
74 void print_header_comments(ps_output &);
75 void document_setup(ps_output &);
76 void output_prolog(ps_output &);
77 private:
78 unsigned extensions;
79 unsigned language_level;
80 resource *procset_resource;
81 resource *resource_list;
82 resource *lookup_resource(resource_type type, string &name,
83 string &version = an_empty_string,
84 unsigned revision = 0);
85 resource *lookup_font(const char *name);
86 void read_download_file();
87 void supply_resource(resource *r, int rank, FILE *outfp,
88 int is_document = 0);
89 void process_file(int rank, FILE *fp, const char *filename, FILE *outfp);
90 resource *read_file_arg(const char **);
91 resource *read_procset_arg(const char **);
92 resource *read_font_arg(const char **);
93 resource *read_resource_arg(const char **);
94 void print_resources_comment(unsigned flag, FILE *outfp);
95 void print_extensions_comment(FILE *outfp);
96 void print_language_level_comment(FILE *outfp);
97 int do_begin_resource(const char *ptr, int rank, FILE *fp, FILE *outfp);
98 int do_include_resource(const char *ptr, int rank, FILE *fp, FILE *outfp);
99 int do_begin_document(const char *ptr, int rank, FILE *fp, FILE *outfp);
100 int do_include_document(const char *ptr, int rank, FILE *fp, FILE *outfp);
101 int do_begin_procset(const char *ptr, int rank, FILE *fp, FILE *outfp);
102 int do_include_procset(const char *ptr, int rank, FILE *fp, FILE *outfp);
103 int do_begin_font(const char *ptr, int rank, FILE *fp, FILE *outfp);
104 int do_include_font(const char *ptr, int rank, FILE *fp, FILE *outfp);
105 int do_begin_file(const char *ptr, int rank, FILE *fp, FILE *outfp);
106 int do_include_file(const char *ptr, int rank, FILE *fp, FILE *outfp);
107 int change_to_end_resource(const char *ptr, int rank, FILE *fp, FILE *outfp);
108 int do_begin_preview(const char *ptr, int rank, FILE *fp, FILE *outfp);
109 int do_begin_data(const char *ptr, int rank, FILE *fp, FILE *outfp);
110 int do_begin_binary(const char *ptr, int rank, FILE *fp, FILE *outfp);
111 };
112
113 extern unsigned broken_flags;
114
115 // broken_flags is ored from these
116
117 enum {
118 NO_SETUP_SECTION = 01,
119 STRIP_PERCENT_BANG = 02,
120 STRIP_STRUCTURE_COMMENTS = 04,
121 USE_PS_ADOBE_2_0 = 010
122 };
123