1 /*	$NetBSD: table.h,v 1.1.1.1 2016/01/13 18:41:48 christos Exp $	*/
2 
3 // -*- C++ -*-
4 /* Copyright (C) 1989, 1990, 1991, 1992, 2001, 2002, 2003, 2004
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 #include "lib.h"
25 
26 #include <stdlib.h>
27 #include <assert.h>
28 #include <ctype.h>
29 #include <errno.h>
30 
31 #include "cset.h"
32 #include "cmap.h"
33 #include "stringclass.h"
34 #include "errarg.h"
35 #include "error.h"
36 
37 // PREFIX and PREFIX_CHAR must be the same.
38 #define PREFIX "3"
39 #define PREFIX_CHAR '3'
40 
41 // LEADER and LEADER_CHAR must be the same.
42 #define LEADER "a"
43 #define LEADER_CHAR 'a'
44 
45 struct inc_number {
46   short inc;
47   short val;
48 };
49 
50 struct entry_modifier {
51   inc_number point_size;
52   inc_number vertical_spacing;
53   string font;
54   string macro;
55   enum { CENTER, TOP, BOTTOM } vertical_alignment;
56   char zero_width;
57   char stagger;
58 
59   entry_modifier();
60   ~entry_modifier();
61 };
62 
63 enum format_type {
64   FORMAT_LEFT,
65   FORMAT_CENTER,
66   FORMAT_RIGHT,
67   FORMAT_NUMERIC,
68   FORMAT_ALPHABETIC,
69   FORMAT_SPAN,
70   FORMAT_VSPAN,
71   FORMAT_HLINE,
72   FORMAT_DOUBLE_HLINE
73 };
74 
75 struct entry_format : public entry_modifier {
76   format_type type;
77 
78   entry_format(format_type);
79   entry_format();
80   void debug_print() const;
81 };
82 
83 class table_entry;
84 struct horizontal_span;
85 struct stuff;
86 struct vertical_rule;
87 
88 class table {
89   unsigned flags;
90   int nrows;
91   int ncolumns;
92   int linesize;
93   char delim[2];
94   char decimal_point_char;
95   vertical_rule *vrule_list;
96   stuff *stuff_list;
97   horizontal_span *span_list;
98   table_entry *entry_list;
99   table_entry **entry_list_tailp;
100   table_entry ***entry;
101   char **vline;
102   char *row_is_all_lines;
103   string *minimum_width;
104   int *column_separation;
105   char *equal;
106   int left_separation;
107   int right_separation;
108   int allocated_rows;
109   void build_span_list();
110   void do_hspan(int r, int c);
111   void do_vspan(int r, int c);
112   void allocate(int r);
113   void compute_widths();
114   void divide_span(int, int);
115   void sum_columns(int, int);
116   void compute_separation_factor();
117   void compute_column_positions();
118   void do_row(int);
119   void init_output();
120   void add_stuff(stuff *);
121   void do_top();
122   void do_bottom();
123   void do_vertical_rules();
124   void build_vrule_list();
125   void add_vertical_rule(int, int, int, int);
126   void define_bottom_macro();
127   int vline_spanned(int r, int c);
128   int row_begins_section(int);
129   int row_ends_section(int);
130   void make_columns_equal();
131   void compute_vrule_top_adjust(int, int, string &);
132   void compute_vrule_bot_adjust(int, int, string &);
133   void determine_row_type();
134 public:
135   /* used by flags */
136   enum {
137     CENTER = 01,
138     EXPAND = 02,
139     BOX = 04,
140     ALLBOX = 010,
141     DOUBLEBOX = 020,
142     NOKEEP = 040,
143     NOSPACES = 0100
144     };
145   table(int nc, unsigned flags, int linesize, char decimal_point_char);
146   ~table();
147 
148   void add_text_line(int r, const string &, const char *, int);
149   void add_single_hline(int r);
150   void add_double_hline(int r);
151   void add_entry(int r, int c, const string &, const entry_format *,
152 		 const char *, int lineno);
153   void add_vlines(int r, const char *);
154   void check();
155   void print();
156   void set_minimum_width(int c, const string &w);
157   void set_column_separation(int c, int n);
158   void set_equal_column(int c);
159   void set_delim(char c1, char c2);
160   void print_single_hline(int r);
161   void print_double_hline(int r);
162   int get_nrows();
163 };
164 
165 void set_troff_location(const char *, int);
166 
167 extern int compatible_flag;
168