table.h revision 104862 
1// -*- C++ -*-
2/* Copyright (C) 1989, 1990, 1991, 1992, 2001, 2002
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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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
35struct inc_number {
36  short inc;
37  short val;
38};
39
40struct entry_modifier {
41  inc_number point_size;
42  inc_number vertical_spacing;
43  string font;
44  enum { CENTER, TOP, BOTTOM } vertical_alignment;
45  char zero_width;
46  char stagger;
47
48  entry_modifier();
49  ~entry_modifier();
50};
51
52enum format_type {
53  FORMAT_LEFT,
54  FORMAT_CENTER,
55  FORMAT_RIGHT,
56  FORMAT_NUMERIC,
57  FORMAT_ALPHABETIC,
58  FORMAT_SPAN,
59  FORMAT_VSPAN,
60  FORMAT_HLINE,
61  FORMAT_DOUBLE_HLINE
62};
63
64struct entry_format : public entry_modifier {
65  format_type type;
66
67  entry_format(format_type);
68  entry_format();
69  void debug_print() const;
70};
71
72struct table_entry;
73struct horizontal_span;
74struct stuff;
75struct vertical_rule;
76
77class table {
78  unsigned flags;
79  int nrows;
80  int ncolumns;
81  int linesize;
82  char delim[2];
83  char decimal_point_char;
84  vertical_rule *vrule_list;
85  stuff *stuff_list;
86  horizontal_span *span_list;
87  table_entry *entry_list;
88  table_entry **entry_list_tailp;
89  table_entry ***entry;
90  char **vline;
91  char *row_is_all_lines;
92  string *minimum_width;
93  int *column_separation;
94  char *equal;
95  int left_separation;
96  int right_separation;
97  int allocated_rows;
98  void build_span_list();
99  void do_hspan(int r, int c);
100  void do_vspan(int r, int c);
101  void allocate(int r);
102  void compute_widths();
103  void divide_span(int, int);
104  void sum_columns(int, int);
105  void compute_separation_factor();
106  void compute_column_positions();
107  void do_row(int);
108  void init_output();
109  void add_stuff(stuff *);
110  void do_top();
111  void do_bottom();
112  void do_vertical_rules();
113  void build_vrule_list();
114  void add_vertical_rule(int, int, int, int);
115  void define_bottom_macro();
116  int vline_spanned(int r, int c);
117  int row_begins_section(int);
118  int row_ends_section(int);
119  void make_columns_equal();
120  void compute_vrule_top_adjust(int, int, string &);
121  void compute_vrule_bot_adjust(int, int, string &);
122  void determine_row_type();
123public:
124  /* used by flags */
125  enum {
126    CENTER = 01,
127    EXPAND = 02,
128    BOX = 04,
129    ALLBOX = 010,
130    DOUBLEBOX = 020,
131    NOKEEP = 040,
132    NOSPACES = 0100
133    };
134  table(int nc, unsigned flags, int linesize, char decimal_point_char);
135  ~table();
136
137  void add_text_line(int r, const string &, const char *, int);
138  void add_single_hline(int r);
139  void add_double_hline(int r);
140  void add_entry(int r, int c, const string &, const entry_format *,
141		 const char *, int lineno);
142  void add_vlines(int r, const char *);
143  void check();
144  void print();
145  void set_minimum_width(int c, const string &w);
146  void set_column_separation(int c, int n);
147  void set_equal_column(int c);
148  void set_delim(char c1, char c2);
149  void print_single_hline(int r);
150  void print_double_hline(int r);
151  int get_nrows();
152};
153
154void set_troff_location(const char *, int);
155