xref: /netbsd-src/external/gpl2/groff/dist/src/devices/grops/ps.h (revision 89a07cf815a29524268025a1139fac4c5190f765)
1 /*	$NetBSD: ps.h,v 1.1.1.1 2016/01/13 18:41:49 christos Exp $	*/
2 
3 // -*- C++ -*-
4 /* Copyright (C) 1989, 1990, 1991, 1992, 2002, 2003
5    Free Software Foundation, Inc.
6      Written by James Clark (jjc@jclark.com)
7 
8 This file is part of groff.
9 
10 groff is free software; you can redistribute it and/or modify it under
11 the terms of the GNU General Public License as published by the Free
12 Software Foundation; either version 2, or (at your option) any later
13 version.
14 
15 groff is distributed in the hope that it will be useful, but WITHOUT ANY
16 WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
18 for more details.
19 
20 You should have received a copy of the GNU General Public License along
21 with groff; see the file COPYING.  If not, write to the Free Software
22 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
23 
24 class ps_output {
25 public:
26   ps_output(FILE *, int max_line_length);
27   ps_output &put_string(const char *, int);
28   ps_output &put_number(int);
29   ps_output &put_fix_number(int);
30   ps_output &put_float(double);
31   ps_output &put_symbol(const char *);
32   ps_output &put_color(unsigned int);
33   ps_output &put_literal_symbol(const char *);
34   ps_output &set_fixed_point(int);
35   ps_output &simple_comment(const char *);
36   ps_output &begin_comment(const char *);
37   ps_output &comment_arg(const char *);
38   ps_output &end_comment();
39   ps_output &set_file(FILE *);
40   ps_output &include_file(FILE *);
41   ps_output &copy_file(FILE *);
42   ps_output &end_line();
43   ps_output &put_delimiter(char);
44   ps_output &special(const char *);
45   FILE *get_file();
46 private:
47   FILE *fp;
48   int col;
49   int max_line_length;		// not including newline
50   int need_space;
51   int fixed_point;
52 };
53 
get_file()54 inline FILE *ps_output::get_file()
55 {
56   return fp;
57 }
58 
59 enum resource_type {
60   RESOURCE_FONT,
61   RESOURCE_PROCSET,
62   RESOURCE_FILE,
63   RESOURCE_ENCODING,
64   RESOURCE_FORM,
65   RESOURCE_PATTERN
66   };
67 
68 struct resource;
69 
70 extern string an_empty_string;
71 
72 class resource_manager {
73 public:
74   resource_manager();
75   ~resource_manager();
76   void import_file(const char *filename, ps_output &);
77   void need_font(const char *name);
78   void print_header_comments(ps_output &);
79   void document_setup(ps_output &);
80   void output_prolog(ps_output &);
81 private:
82   unsigned extensions;
83   unsigned language_level;
84   resource *procset_resource;
85   resource *resource_list;
86   resource *lookup_resource(resource_type type, string &name,
87 			    string &version = an_empty_string,
88 			    unsigned revision = 0);
89   resource *lookup_font(const char *name);
90   void read_download_file();
91   void supply_resource(resource *r, int rank, FILE *outfp,
92 		       int is_document = 0);
93   void process_file(int rank, FILE *fp, const char *filename, FILE *outfp);
94   resource *read_file_arg(const char **);
95   resource *read_procset_arg(const char **);
96   resource *read_font_arg(const char **);
97   resource *read_resource_arg(const char **);
98   void print_resources_comment(unsigned flag, FILE *outfp);
99   void print_extensions_comment(FILE *outfp);
100   void print_language_level_comment(FILE *outfp);
101   int do_begin_resource(const char *ptr, int rank, FILE *fp, FILE *outfp);
102   int do_include_resource(const char *ptr, int rank, FILE *fp, FILE *outfp);
103   int do_begin_document(const char *ptr, int rank, FILE *fp, FILE *outfp);
104   int do_include_document(const char *ptr, int rank, FILE *fp, FILE *outfp);
105   int do_begin_procset(const char *ptr, int rank, FILE *fp, FILE *outfp);
106   int do_include_procset(const char *ptr, int rank, FILE *fp, FILE *outfp);
107   int do_begin_font(const char *ptr, int rank, FILE *fp, FILE *outfp);
108   int do_include_font(const char *ptr, int rank, FILE *fp, FILE *outfp);
109   int do_begin_file(const char *ptr, int rank, FILE *fp, FILE *outfp);
110   int do_include_file(const char *ptr, int rank, FILE *fp, FILE *outfp);
111   int change_to_end_resource(const char *ptr, int rank, FILE *fp, FILE *outfp);
112   int do_begin_preview(const char *ptr, int rank, FILE *fp, FILE *outfp);
113   int do_begin_data(const char *ptr, int rank, FILE *fp, FILE *outfp);
114   int do_begin_binary(const char *ptr, int rank, FILE *fp, FILE *outfp);
115 };
116 
117 extern unsigned broken_flags;
118 
119 // broken_flags is ored from these
120 
121 enum {
122   NO_SETUP_SECTION = 01,
123   STRIP_PERCENT_BANG = 02,
124   STRIP_STRUCTURE_COMMENTS = 04,
125   USE_PS_ADOBE_2_0 = 010,
126   NO_PAPERSIZE = 020
127 };
128 
129 #include "searchpath.h"
130 
131 extern search_path include_search_path;
132