1// -*- C++ -*-
2/* Copyright (C) 1989, 1990, 1991, 1992, 2001, 2002, 2003, 2004
3   Free Software Foundation, Inc.
4     Written by James Clark (jjc@jclark.com)
5
6This file is part of groff.
7
8groff is free software; you can redistribute it and/or modify it under
9the terms of the GNU General Public License as published by the Free
10Software Foundation; either version 2, or (at your option) any later
11version.
12
13groff is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License along
19with groff; see the file COPYING.  If not, write to the Free Software
20Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
21
22#include "lib.h"
23
24#include <stdlib.h>
25#include <assert.h>
26#include <ctype.h>
27#include <errno.h>
28
29#include "cset.h"
30#include "cmap.h"
31#include "stringclass.h"
32#include "errarg.h"
33#include "error.h"
34
35// PREFIX and PREFIX_CHAR must be the same.
36#define PREFIX "3"
37#define PREFIX_CHAR '3'
38
39// LEADER and LEADER_CHAR must be the same.
40#define LEADER "a"
41#define LEADER_CHAR 'a'
42
43struct inc_number {
44  short inc;
45  short val;
46};
47
48struct entry_modifier {
49  inc_number point_size;
50  inc_number vertical_spacing;
51  string font;
52  string macro;
53  enum { CENTER, TOP, BOTTOM } vertical_alignment;
54  char zero_width;
55  char stagger;
56
57  entry_modifier();
58  ~entry_modifier();
59};
60
61enum format_type {
62  FORMAT_LEFT,
63  FORMAT_CENTER,
64  FORMAT_RIGHT,
65  FORMAT_NUMERIC,
66  FORMAT_ALPHABETIC,
67  FORMAT_SPAN,
68  FORMAT_VSPAN,
69  FORMAT_HLINE,
70  FORMAT_DOUBLE_HLINE
71};
72
73struct entry_format : public entry_modifier {
74  format_type type;
75
76  entry_format(format_type);
77  entry_format();
78  void debug_print() const;
79};
80
81class table_entry;
82struct horizontal_span;
83struct stuff;
84struct vertical_rule;
85
86class table {
87  unsigned flags;
88  int nrows;
89  int ncolumns;
90  int linesize;
91  char delim[2];
92  char decimal_point_char;
93  vertical_rule *vrule_list;
94  stuff *stuff_list;
95  horizontal_span *span_list;
96  table_entry *entry_list;
97  table_entry **entry_list_tailp;
98  table_entry ***entry;
99  char **vline;
100  char *row_is_all_lines;
101  string *minimum_width;
102  int *column_separation;
103  char *equal;
104  int left_separation;
105  int right_separation;
106  int allocated_rows;
107  void build_span_list();
108  void do_hspan(int r, int c);
109  void do_vspan(int r, int c);
110  void allocate(int r);
111  void compute_widths();
112  void divide_span(int, int);
113  void sum_columns(int, int);
114  void compute_separation_factor();
115  void compute_column_positions();
116  void do_row(int);
117  void init_output();
118  void add_stuff(stuff *);
119  void do_top();
120  void do_bottom();
121  void do_vertical_rules();
122  void build_vrule_list();
123  void add_vertical_rule(int, int, int, int);
124  void define_bottom_macro();
125  int vline_spanned(int r, int c);
126  int row_begins_section(int);
127  int row_ends_section(int);
128  void make_columns_equal();
129  void compute_vrule_top_adjust(int, int, string &);
130  void compute_vrule_bot_adjust(int, int, string &);
131  void determine_row_type();
132public:
133  /* used by flags */
134  enum {
135    CENTER = 01,
136    EXPAND = 02,
137    BOX = 04,
138    ALLBOX = 010,
139    DOUBLEBOX = 020,
140    NOKEEP = 040,
141    NOSPACES = 0100
142    };
143  table(int nc, unsigned flags, int linesize, char decimal_point_char);
144  ~table();
145
146  void add_text_line(int r, const string &, const char *, int);
147  void add_single_hline(int r);
148  void add_double_hline(int r);
149  void add_entry(int r, int c, const string &, const entry_format *,
150		 const char *, int lineno);
151  void add_vlines(int r, const char *);
152  void check();
153  void print();
154  void set_minimum_width(int c, const string &w);
155  void set_column_separation(int c, int n);
156  void set_equal_column(int c);
157  void set_delim(char c1, char c2);
158  void print_single_hline(int r);
159  void print_double_hline(int r);
160  int get_nrows();
161};
162
163void set_troff_location(const char *, int);
164
165extern int compatible_flag;
166