src/dev-ps/ps.h

   1 /*@
   2  * Copyright (c) 2014 - 2015 Steffen (Daode) Nurpmeso <sdaoden@users.sf.net>.
   3  *
   4  * Copyright (C) 1989 - 1992, 2002 - 2003
   5  *    Free Software Foundation, Inc.
   6  *      Written by James Clark (jjc@jclark.com)
   7  *
   8  * This is free software; you can redistribute it and/or modify it under
   9  * the terms of the GNU General Public License as published by the Free
  10  * Software Foundation; either version 2, or (at your option) any later
  11  * version.
  12  *
  13  * This is distributed in the hope that it will be useful, but WITHOUT ANY
  14  * WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16  * for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with groff; see the file COPYING.  If not, write to the Free Software
  20  * Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA.
  21  */
  22 #ifndef _PS_H
  23 #define _PS_H
  24
  25 #include "config.h"
  26 #include "ps-config.h"
  27
  28 #include "searchpath.h"
  29
  30 class ps_output
  31 {
  32   FILE *fp;
  33   int col;
  34   int max_line_length;          // not including newline
  35   int need_space;
  36   int fixed_point;
  37
  38 public:
  39   ps_output(FILE *, int max_line_length);
  40   ps_output &put_string(const char *, int);
  41   ps_output &put_number(int);
  42   ps_output &put_fix_number(int);
  43   ps_output &put_float(double);
  44   ps_output &put_symbol(const char *);
  45   ps_output &put_color(unsigned int);
  46   ps_output &put_literal_symbol(const char *);
  47   ps_output &set_fixed_point(int);
  48   ps_output &simple_comment(const char *);
  49   ps_output &begin_comment(const char *);
  50   ps_output &comment_arg(const char *);
  51   ps_output &end_comment();
  52   ps_output &set_file(FILE *);
  53   ps_output &include_file(FILE *);
  54   ps_output &copy_file(FILE *);
  55   ps_output &end_line();
  56   ps_output &put_delimiter(char);
  57   ps_output &special(const char *);
  58   FILE *get_file();
  59 };
  60
  61 inline FILE *ps_output::get_file()
  62 {
  63   return fp;
  64 }
  65
  66 enum resource_type {
  67   RESOURCE_FONT,
  68   RESOURCE_PROCSET,
  69   RESOURCE_FILE,
  70   RESOURCE_ENCODING,
  71   RESOURCE_FORM,
  72   RESOURCE_PATTERN
  73   };
  74
  75 struct resource;
  76
  77 extern string an_empty_string;
  78
  79 class resource_manager
  80 {
  81   unsigned extensions;
  82   unsigned language_level;
  83   resource *procset_resource;
  84   resource *resource_list;
  85   resource *lookup_resource(resource_type type, string &name,
  86                             string &version = an_empty_string,
  87                             unsigned revision = 0);
  88   resource *lookup_font(const char *name);
  89   void read_download_file();
  90   void supply_resource(resource *r, int rank, FILE *ofp, int is_document = 0);
  91   void process_file(int rank, file_case *fcp, FILE *ofp);
  92   resource *read_file_arg(const char **);
  93   resource *read_procset_arg(const char **);
  94   resource *read_font_arg(const char **);
  95   resource *read_resource_arg(const char **);
  96   void print_resources_comment(unsigned flag, FILE *ofp);
  97   void print_extensions_comment(FILE *ofp);
  98   void print_language_level_comment(FILE *ofp);
  99   int do_begin_resource(const char *ptr, int rank, file_case *fcp, FILE *ofp);
 100   int do_include_resource(const char *ptr, int rank, file_case *fcp, FILE *ofp);
 101   int do_begin_document(const char *ptr, int rank, file_case *fcp, FILE *ofp);
 102   int do_include_document(const char *ptr, int rank, file_case *fcp, FILE *ofp);
 103   int do_begin_procset(const char *ptr, int rank, file_case *fcp, FILE *ofp);
 104   int do_include_procset(const char *ptr, int rank, file_case *fcp, FILE *ofp);
 105   int do_begin_font(const char *ptr, int rank, file_case *fcp, FILE *ofp);
 106   int do_include_font(const char *ptr, int rank, file_case *fcp, FILE *ofp);
 107   int do_begin_file(const char *ptr, int rank, file_case *fcp, FILE *ofp);
 108   int do_include_file(const char *ptr, int rank, file_case *fp, FILE *ofp);
 109   int change_to_end_resource(const char *ptr, int rank, file_case *fp,
 110         FILE *ofp);
 111   int do_begin_preview(const char *ptr, int rank, file_case *fcp, FILE *ofp);
 112   int do_begin_data(const char *ptr, int rank, file_case *fcp, FILE *ofp);
 113   int do_begin_binary(const char *ptr, int rank, file_case *fcp, FILE *ofp);
 114
 115 public:
 116   resource_manager();
 117   ~resource_manager();
 118   void import_file(const char *filename, ps_output &);
 119   void need_font(const char *name);
 120   void print_header_comments(ps_output &);
 121   void document_setup(ps_output &);
 122   void output_prolog(ps_output &);
 123 };
 124
 125 extern unsigned broken_flags;
 126
 127 // broken_flags is ored from these
 128
 129 enum {
 130   NO_SETUP_SECTION = 01,
 131   STRIP_PERCENT_BANG = 02,
 132   STRIP_STRUCTURE_COMMENTS = 04,
 133   USE_PS_ADOBE_2_0 = 010,
 134   NO_PAPERSIZE = 020
 135 };
 136
 137 extern search_path include_search_path;
 138
 139 #endif // _PS_H
 140 // s-it2-mode