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c8d1b47c7f
freebsd-dev/contrib/groff/tbl/table.cc
Ruslan Ermilov c8d1b47c7f Virgin import of FSF groff v1.16.1
2000-12-05 18:49:44 +00:00

2779 lines
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// -*- C++ -*-
/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.com)
This file is part of groff.
groff is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
groff is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with groff; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "table.h"
#define BAR_HEIGHT ".25m"
#define DOUBLE_LINE_SEP "2p"
#define HALF_DOUBLE_LINE_SEP "1p"
#define LINE_SEP "2p"
#define BODY_DEPTH ".25m"
const int DEFAULT_COLUMN_SEPARATION = 3;
#define DELIMITER_CHAR "\\[tbl]"
#define PREFIX "3"
#define SEPARATION_FACTOR_REG PREFIX "sep"
#define BOTTOM_REG PREFIX "bot"
#define RESET_MACRO_NAME PREFIX "init"
#define LINESIZE_REG PREFIX "lps"
#define TOP_REG PREFIX "top"
#define CURRENT_ROW_REG PREFIX "crow"
#define LAST_PASSED_ROW_REG PREFIX "passed"
#define TRANSPARENT_STRING_NAME PREFIX "trans"
#define QUOTE_STRING_NAME PREFIX "quote"
#define SECTION_DIVERSION_NAME PREFIX "section"
#define SECTION_DIVERSION_FLAG_REG PREFIX "sflag"
#define SAVED_VERTICAL_POS_REG PREFIX "vert"
#define NEED_BOTTOM_RULE_REG PREFIX "brule"
#define KEEP_MACRO_NAME PREFIX "keep"
#define RELEASE_MACRO_NAME PREFIX "release"
#define SAVED_FONT_REG PREFIX "fnt"
#define SAVED_SIZE_REG PREFIX "sz"
#define SAVED_FILL_REG PREFIX "fll"
#define SAVED_INDENT_REG PREFIX "ind"
#define SAVED_CENTER_REG PREFIX "cent"
#define TABLE_DIVERSION_NAME PREFIX "table"
#define TABLE_DIVERSION_FLAG_REG PREFIX "tflag"
#define TABLE_KEEP_MACRO_NAME PREFIX "tkeep"
#define TABLE_RELEASE_MACRO_NAME PREFIX "trelease"
#define NEEDED_REG PREFIX "needed"
#define REPEATED_MARK_MACRO PREFIX "rmk"
#define REPEATED_VPT_MACRO PREFIX "rvpt"
#define SUPPRESS_BOTTOM_REG PREFIX "supbot"
#define SAVED_DN_REG PREFIX "dn"
// this must be one character
#define COMPATIBLE_REG PREFIX "c"
#define BLOCK_WIDTH_PREFIX PREFIX "tbw"
#define BLOCK_DIVERSION_PREFIX PREFIX "tbd"
#define BLOCK_HEIGHT_PREFIX PREFIX "tbh"
#define SPAN_WIDTH_PREFIX PREFIX "w"
#define SPAN_LEFT_NUMERIC_WIDTH_PREFIX PREFIX "lnw"
#define SPAN_RIGHT_NUMERIC_WIDTH_PREFIX PREFIX "rnw"
#define SPAN_ALPHABETIC_WIDTH_PREFIX PREFIX "aw"
#define COLUMN_SEPARATION_PREFIX PREFIX "cs"
#define ROW_START_PREFIX PREFIX "rs"
#define COLUMN_START_PREFIX PREFIX "cl"
#define COLUMN_END_PREFIX PREFIX "ce"
#define COLUMN_DIVIDE_PREFIX PREFIX "cd"
#define ROW_TOP_PREFIX PREFIX "rt"
string block_width_reg(int r, int c);
string block_diversion_name(int r, int c);
string block_height_reg(int r, int c);
string span_width_reg(int start_col, int end_col);
string span_left_numeric_width_reg(int start_col, int end_col);
string span_right_numeric_width_reg(int start_col, int end_col);
string span_alphabetic_width_reg(int start_col, int end_col);
string column_separation_reg(int col);
string row_start_reg(int r);
string column_start_reg(int c);
string column_end_reg(int c);
string column_divide_reg(int c);
string row_top_reg(int r);
void set_inline_modifier(const entry_modifier *);
void restore_inline_modifier(const entry_modifier *m);
void set_modifier(const entry_modifier *);
int find_decimal_point(const char *s, char decimal_point_char,
const char *delim);
string an_empty_string;
int location_force_filename = 0;
void printfs(const char *,
const string &arg1 = an_empty_string,
const string &arg2 = an_empty_string,
const string &arg3 = an_empty_string,
const string &arg4 = an_empty_string,
const string &arg5 = an_empty_string);
void prints(const string &);
inline void prints(char c)
{
putchar(c);
}
inline void prints(const char *s)
{
fputs(s, stdout);
}
void prints(const string &s)
{
if (!s.empty())
fwrite(s.contents(), 1, s.length(), stdout);
}
struct horizontal_span {
horizontal_span *next;
short start_col;
short end_col;
horizontal_span(int, int, horizontal_span *);
};
struct single_line_entry;
struct double_line_entry;
struct simple_entry;
class table_entry {
friend class table;
table_entry *next;
int input_lineno;
const char *input_filename;
protected:
int start_row;
int end_row;
short start_col;
short end_col;
const entry_modifier *mod;
public:
void set_location();
table_entry(const entry_modifier *);
virtual ~table_entry();
virtual int divert(int ncols, const string *mw, int *sep);
virtual void do_width();
virtual void do_depth();
virtual void print() = 0;
virtual void position_vertically() = 0;
virtual single_line_entry *to_single_line_entry();
virtual double_line_entry *to_double_line_entry();
virtual simple_entry *to_simple_entry();
virtual int line_type();
virtual void note_double_vrule_on_right(int);
virtual void note_double_vrule_on_left(int);
};
class simple_entry : public table_entry {
public:
simple_entry(const entry_modifier *);
void print();
void position_vertically();
simple_entry *to_simple_entry();
virtual void add_tab();
virtual void simple_print(int);
};
class empty_entry : public simple_entry {
public:
empty_entry(const entry_modifier *);
int line_type();
};
class text_entry : public simple_entry {
protected:
char *contents;
void print_contents();
public:
text_entry(char *, const entry_modifier *);
~text_entry();
};
void text_entry::print_contents()
{
set_inline_modifier(mod);
prints(contents);
restore_inline_modifier(mod);
}
class repeated_char_entry : public text_entry {
public:
repeated_char_entry(char *s, const entry_modifier *m);
void simple_print(int);
};
class simple_text_entry : public text_entry {
public:
simple_text_entry(char *s, const entry_modifier *m);
void do_width();
};
class left_text_entry : public simple_text_entry {
public:
left_text_entry(char *s, const entry_modifier *m);
void simple_print(int);
void add_tab();
};
class right_text_entry : public simple_text_entry {
public:
right_text_entry(char *s, const entry_modifier *m);
void simple_print(int);
void add_tab();
};
class center_text_entry : public simple_text_entry {
public:
center_text_entry(char *s, const entry_modifier *m);
void simple_print(int);
void add_tab();
};
class numeric_text_entry : public text_entry {
int dot_pos;
public:
numeric_text_entry(char *s, const entry_modifier *m, int pos);
void do_width();
void simple_print(int);
};
class alphabetic_text_entry : public text_entry {
public:
alphabetic_text_entry(char *s, const entry_modifier *m);
void do_width();
void simple_print(int);
void add_tab();
};
class line_entry : public simple_entry {
protected:
char double_vrule_on_right;
char double_vrule_on_left;
public:
line_entry(const entry_modifier *);
void note_double_vrule_on_right(int);
void note_double_vrule_on_left(int);
void simple_print(int) = 0;
};
class single_line_entry : public line_entry {
public:
single_line_entry(const entry_modifier *m);
void simple_print(int);
single_line_entry *to_single_line_entry();
int line_type();
};
class double_line_entry : public line_entry {
public:
double_line_entry(const entry_modifier *m);
void simple_print(int);
double_line_entry *to_double_line_entry();
int line_type();
};
class short_line_entry : public simple_entry {
public:
short_line_entry(const entry_modifier *m);
void simple_print(int);
int line_type();
};
class short_double_line_entry : public simple_entry {
public:
short_double_line_entry(const entry_modifier *m);
void simple_print(int);
int line_type();
};
class block_entry : public table_entry {
char *contents;
protected:
void do_divert(int alphabetic, int ncols, const string *mw, int *sep);
public:
block_entry(char *s, const entry_modifier *m);
~block_entry();
int divert(int ncols, const string *mw, int *sep);
void do_width();
void do_depth();
void position_vertically();
void print() = 0;
};
class left_block_entry : public block_entry {
public:
left_block_entry(char *s, const entry_modifier *m);
void print();
};
class right_block_entry : public block_entry {
public:
right_block_entry(char *s, const entry_modifier *m);
void print();
};
class center_block_entry : public block_entry {
public:
center_block_entry(char *s, const entry_modifier *m);
void print();
};
class alphabetic_block_entry : public block_entry {
public:
alphabetic_block_entry(char *s, const entry_modifier *m);
void print();
int divert(int ncols, const string *mw, int *sep);
};
table_entry::table_entry(const entry_modifier *m)
: next(0), input_lineno(-1), input_filename(0),
start_row(-1), end_row(-1), start_col(-1), end_col(-1), mod(m)
{
}
table_entry::~table_entry()
{
}
int table_entry::divert(int, const string *, int *)
{
return 0;
}
void table_entry::do_width()
{
}
single_line_entry *table_entry::to_single_line_entry()
{
return 0;
}
double_line_entry *table_entry::to_double_line_entry()
{
return 0;
}
simple_entry *table_entry::to_simple_entry()
{
return 0;
}
void table_entry::do_depth()
{
}
void table_entry::set_location()
{
set_troff_location(input_filename, input_lineno);
}
int table_entry::line_type()
{
return -1;
}
void table_entry::note_double_vrule_on_right(int)
{
}
void table_entry::note_double_vrule_on_left(int)
{
}
simple_entry::simple_entry(const entry_modifier *m) : table_entry(m)
{
}
void simple_entry::add_tab()
{
// do nothing
}
void simple_entry::simple_print(int)
{
// do nothing
}
void simple_entry::position_vertically()
{
if (start_row != end_row)
switch (mod->vertical_alignment) {
case entry_modifier::TOP:
printfs(".sp |\\n[%1]u\n", row_start_reg(start_row));
break;
case entry_modifier::CENTER:
// Peform the motion in two stages so that the center is rounded
// vertically upwards even if net vertical motion is upwards.
printfs(".sp |\\n[%1]u\n", row_start_reg(start_row));
printfs(".sp \\n[" BOTTOM_REG "]u-\\n[%1]u-1v/2u\n",
row_start_reg(start_row));
break;
case entry_modifier::BOTTOM:
printfs(".sp |\\n[%1]u+\\n[" BOTTOM_REG "]u-\\n[%1]u-1v\n",
row_start_reg(start_row));
break;
default:
assert(0);
}
}
void simple_entry::print()
{
prints(".ta");
add_tab();
prints('\n');
set_location();
prints("\\&");
simple_print(0);
prints('\n');
}
simple_entry *simple_entry::to_simple_entry()
{
return this;
}
empty_entry::empty_entry(const entry_modifier *m)
: simple_entry(m)
{
}
int empty_entry::line_type()
{
return 0;
}
text_entry::text_entry(char *s, const entry_modifier *m)
: simple_entry(m), contents(s)
{
}
text_entry::~text_entry()
{
a_delete contents;
}
repeated_char_entry::repeated_char_entry(char *s, const entry_modifier *m)
: text_entry(s, m)
{
}
void repeated_char_entry::simple_print(int)
{
printfs("\\h'|\\n[%1]u'", column_start_reg(start_col));
set_inline_modifier(mod);
printfs("\\l" DELIMITER_CHAR "\\n[%1]u\\&",
span_width_reg(start_col, end_col));
prints(contents);
prints(DELIMITER_CHAR);
restore_inline_modifier(mod);
}
simple_text_entry::simple_text_entry(char *s, const entry_modifier *m)
: text_entry(s, m)
{
}
void simple_text_entry::do_width()
{
set_location();
printfs(".nr %1 \\n[%1]>?\\w" DELIMITER_CHAR,
span_width_reg(start_col, end_col));
print_contents();
prints(DELIMITER_CHAR "\n");
}
left_text_entry::left_text_entry(char *s, const entry_modifier *m)
: simple_text_entry(s, m)
{
}
void left_text_entry::simple_print(int)
{
printfs("\\h'|\\n[%1]u'", column_start_reg(start_col));
print_contents();
}
// The only point of this is to make `\a' ``work'' as in Unix tbl. Grrr.
void left_text_entry::add_tab()
{
printfs(" \\n[%1]u", column_end_reg(end_col));
}
right_text_entry::right_text_entry(char *s, const entry_modifier *m)
: simple_text_entry(s, m)
{
}
void right_text_entry::simple_print(int)
{
printfs("\\h'|\\n[%1]u'", column_start_reg(start_col));
prints("\002\003");
print_contents();
prints("\002");
}
void right_text_entry::add_tab()
{
printfs(" \\n[%1]u", column_end_reg(end_col));
}
center_text_entry::center_text_entry(char *s, const entry_modifier *m)
: simple_text_entry(s, m)
{
}
void center_text_entry::simple_print(int)
{
printfs("\\h'|\\n[%1]u'", column_start_reg(start_col));
prints("\002\003");
print_contents();
prints("\003\002");
}
void center_text_entry::add_tab()
{
printfs(" \\n[%1]u", column_end_reg(end_col));
}
numeric_text_entry::numeric_text_entry(char *s, const entry_modifier *m, int pos)
: text_entry(s, m), dot_pos(pos)
{
}
void numeric_text_entry::do_width()
{
if (dot_pos != 0) {
set_location();
printfs(".nr %1 0\\w" DELIMITER_CHAR,
block_width_reg(start_row, start_col));
set_inline_modifier(mod);
for (int i = 0; i < dot_pos; i++)
prints(contents[i]);
restore_inline_modifier(mod);
prints(DELIMITER_CHAR "\n");
printfs(".nr %1 \\n[%1]>?\\n[%2]\n",
span_left_numeric_width_reg(start_col, end_col),
block_width_reg(start_row, start_col));
}
else
printfs(".nr %1 0\n", block_width_reg(start_row, start_col));
if (contents[dot_pos] != '\0') {
set_location();
printfs(".nr %1 \\n[%1]>?\\w" DELIMITER_CHAR,
span_right_numeric_width_reg(start_col, end_col));
set_inline_modifier(mod);
prints(contents + dot_pos);
restore_inline_modifier(mod);
prints(DELIMITER_CHAR "\n");
}
}
void numeric_text_entry::simple_print(int)
{
printfs("\\h'|(\\n[%1]u-\\n[%2]u-\\n[%3]u/2u+\\n[%2]u+\\n[%4]u-\\n[%5]u)'",
span_width_reg(start_col, end_col),
span_left_numeric_width_reg(start_col, end_col),
span_right_numeric_width_reg(start_col, end_col),
column_start_reg(start_col),
block_width_reg(start_row, start_col));
print_contents();
}
alphabetic_text_entry::alphabetic_text_entry(char *s, const entry_modifier *m)
: text_entry(s, m)
{
}
void alphabetic_text_entry::do_width()
{
set_location();
printfs(".nr %1 \\n[%1]>?\\w" DELIMITER_CHAR,
span_alphabetic_width_reg(start_col, end_col));
print_contents();
prints(DELIMITER_CHAR "\n");
}
void alphabetic_text_entry::simple_print(int)
{
printfs("\\h'|\\n[%1]u'", column_start_reg(start_col));
printfs("\\h'\\n[%1]u-\\n[%2]u/2u'",
span_width_reg(start_col, end_col),
span_alphabetic_width_reg(start_col, end_col));
print_contents();
}
// The only point of this is to make `\a' ``work'' as in Unix tbl. Grrr.
void alphabetic_text_entry::add_tab()
{
printfs(" \\n[%1]u", column_end_reg(end_col));
}
block_entry::block_entry(char *s, const entry_modifier *m)
: table_entry(m), contents(s)
{
}
block_entry::~block_entry()
{
a_delete contents;
}
void block_entry::position_vertically()
{
if (start_row != end_row)
switch(mod->vertical_alignment) {
case entry_modifier::TOP:
printfs(".sp |\\n[%1]u\n", row_start_reg(start_row));
break;
case entry_modifier::CENTER:
// Peform the motion in two stages so that the center is rounded
// vertically upwards even if net vertical motion is upwards.
printfs(".sp |\\n[%1]u\n", row_start_reg(start_row));
printfs(".sp \\n[" BOTTOM_REG "]u-\\n[%1]u-\\n[%2]u/2u\n",
row_start_reg(start_row),
block_height_reg(start_row, start_col));
break;
case entry_modifier::BOTTOM:
printfs(".sp |\\n[%1]u+\\n[" BOTTOM_REG "]u-\\n[%1]u-\\n[%2]u\n",
row_start_reg(start_row),
block_height_reg(start_row, start_col));
break;
default:
assert(0);
}
if (mod->stagger)
prints(".sp -.5v\n");
}
int block_entry::divert(int ncols, const string *mw, int *sep)
{
do_divert(0, ncols, mw, sep);
return 1;
}
void block_entry::do_divert(int alphabetic, int ncols, const string *mw,
int *sep)
{
printfs(".di %1\n", block_diversion_name(start_row, start_col));
prints(".if \\n[" SAVED_FILL_REG "] .fi\n"
".in 0\n");
prints(".ll ");
int i;
for (i = start_col; i <= end_col; i++)
if (mw[i].empty())
break;
if (i > end_col) {
// Every column spanned by this entry has a minimum width.
for (int j = start_col; j <= end_col; j++) {
if (j > start_col) {
if (sep)
printfs("+%1n", as_string(sep[j - 1]));
prints('+');
}
printfs("(n;%1)", mw[j]);
}
printfs(">?\\n[%1]u", span_width_reg(start_col, end_col));
}
else
printfs("(u;\\n[%1]>?(\\n[.l]*%2/%3))",
span_width_reg(start_col, end_col),
as_string(end_col - start_col + 1),
as_string(ncols + 1));
if (alphabetic)
prints("-2n");
prints("\n");
set_modifier(mod);
prints(".cp \\n(" COMPATIBLE_REG "\n");
set_location();
prints(contents);
prints(".br\n.di\n.cp 0\n");
if (!mod->zero_width) {
if (alphabetic) {
printfs(".nr %1 \\n[%1]>?(\\n[dl]+2n)\n",
span_width_reg(start_col, end_col));
printfs(".nr %1 \\n[%1]>?\\n[dl]\n",
span_alphabetic_width_reg(start_col, end_col));
}
else
printfs(".nr %1 \\n[%1]>?\\n[dl]\n", span_width_reg(start_col, end_col));
}
printfs(".nr %1 \\n[dn]\n", block_height_reg(start_row, start_col));
printfs(".nr %1 \\n[dl]\n", block_width_reg(start_row, start_col));
prints("." RESET_MACRO_NAME "\n"
".in \\n[" SAVED_INDENT_REG "]u\n"
".nf\n");
// the block might have contained .lf commands
location_force_filename = 1;
}
void block_entry::do_width()
{
// do nothing; the action happens in divert
}
void block_entry::do_depth()
{
printfs(".nr " BOTTOM_REG " \\n[" BOTTOM_REG "]>?(\\n[%1]+\\n[%2])\n",
row_start_reg(start_row),
block_height_reg(start_row, start_col));
}
left_block_entry::left_block_entry(char *s, const entry_modifier *m)
: block_entry(s, m)
{
}
void left_block_entry::print()
{
printfs(".in +\\n[%1]u\n", column_start_reg(start_col));
printfs(".%1\n", block_diversion_name(start_row, start_col));
prints(".in\n");
}
right_block_entry::right_block_entry(char *s, const entry_modifier *m)
: block_entry(s, m)
{
}
void right_block_entry::print()
{
printfs(".in +\\n[%1]u+\\n[%2]u-\\n[%3]u\n",
column_start_reg(start_col),
span_width_reg(start_col, end_col),
block_width_reg(start_row, start_col));
printfs(".%1\n", block_diversion_name(start_row, start_col));
prints(".in\n");
}
center_block_entry::center_block_entry(char *s, const entry_modifier *m)
: block_entry(s, m)
{
}
void center_block_entry::print()
{
printfs(".in +\\n[%1]u+(\\n[%2]u-\\n[%3]u/2u)\n",
column_start_reg(start_col),
span_width_reg(start_col, end_col),
block_width_reg(start_row, start_col));
printfs(".%1\n", block_diversion_name(start_row, start_col));
prints(".in\n");
}
alphabetic_block_entry::alphabetic_block_entry(char *s,
const entry_modifier *m)
: block_entry(s, m)
{
}
int alphabetic_block_entry::divert(int ncols, const string *mw, int *sep)
{
do_divert(1, ncols, mw, sep);
return 1;
}
void alphabetic_block_entry::print()
{
printfs(".in +\\n[%1]u+(\\n[%2]u-\\n[%3]u/2u)\n",
column_start_reg(start_col),
span_width_reg(start_col, end_col),
span_alphabetic_width_reg(start_col, end_col));
printfs(".%1\n", block_diversion_name(start_row, start_col));
prints(".in\n");
}
line_entry::line_entry(const entry_modifier *m)
: simple_entry(m), double_vrule_on_right(0), double_vrule_on_left(0)
{
}
void line_entry::note_double_vrule_on_right(int is_corner)
{
double_vrule_on_right = is_corner ? 1 : 2;
}
void line_entry::note_double_vrule_on_left(int is_corner)
{
double_vrule_on_left = is_corner ? 1 : 2;
}
single_line_entry::single_line_entry(const entry_modifier *m)
: line_entry(m)
{
}
int single_line_entry::line_type()
{
return 1;
}
void single_line_entry::simple_print(int dont_move)
{
printfs("\\h'|\\n[%1]u",
column_divide_reg(start_col));
if (double_vrule_on_left) {
prints(double_vrule_on_left == 1 ? "-" : "+");
prints(HALF_DOUBLE_LINE_SEP);
}
prints("'");
if (!dont_move)
prints("\\v'-" BAR_HEIGHT "'");
printfs("\\s[\\n[" LINESIZE_REG "]]" "\\D'l |\\n[%1]u",
column_divide_reg(end_col+1));
if (double_vrule_on_right) {
prints(double_vrule_on_left == 1 ? "+" : "-");
prints(HALF_DOUBLE_LINE_SEP);
}
prints("0'\\s0");
if (!dont_move)
prints("\\v'" BAR_HEIGHT "'");
}
single_line_entry *single_line_entry::to_single_line_entry()
{
return this;
}
double_line_entry::double_line_entry(const entry_modifier *m)
: line_entry(m)
{
}
int double_line_entry::line_type()
{
return 2;
}
void double_line_entry::simple_print(int dont_move)
{
if (!dont_move)
prints("\\v'-" BAR_HEIGHT "'");
printfs("\\h'|\\n[%1]u",
column_divide_reg(start_col));
if (double_vrule_on_left) {
prints(double_vrule_on_left == 1 ? "-" : "+");
prints(HALF_DOUBLE_LINE_SEP);
}
prints("'");
printfs("\\v'-" HALF_DOUBLE_LINE_SEP "'"
"\\s[\\n[" LINESIZE_REG "]]"
"\\D'l |\\n[%1]u",
column_divide_reg(end_col+1));
if (double_vrule_on_right)
prints("-" HALF_DOUBLE_LINE_SEP);
prints(" 0'");
printfs("\\v'" DOUBLE_LINE_SEP "'"
"\\D'l |\\n[%1]u",
column_divide_reg(start_col));
if (double_vrule_on_right) {
prints(double_vrule_on_left == 1 ? "+" : "-");
prints(HALF_DOUBLE_LINE_SEP);
}
prints(" 0'");
prints("\\s0"
"\\v'-" HALF_DOUBLE_LINE_SEP "'");
if (!dont_move)
prints("\\v'" BAR_HEIGHT "'");
}
double_line_entry *double_line_entry::to_double_line_entry()
{
return this;
}
short_line_entry::short_line_entry(const entry_modifier *m)
: simple_entry(m)
{
}
int short_line_entry::line_type()
{
return 1;
}
void short_line_entry::simple_print(int dont_move)
{
if (mod->stagger)
prints("\\v'-.5v'");
if (!dont_move)
prints("\\v'-" BAR_HEIGHT "'");
printfs("\\h'|\\n[%1]u'", column_start_reg(start_col));
printfs("\\s[\\n[" LINESIZE_REG "]]"
"\\D'l \\n[%1]u 0'"
"\\s0",
span_width_reg(start_col, end_col));
if (!dont_move)
prints("\\v'" BAR_HEIGHT "'");
if (mod->stagger)
prints("\\v'.5v'");
}
short_double_line_entry::short_double_line_entry(const entry_modifier *m)
: simple_entry(m)
{
}
int short_double_line_entry::line_type()
{
return 2;
}
void short_double_line_entry::simple_print(int dont_move)
{
if (mod->stagger)
prints("\\v'-.5v'");
if (!dont_move)
prints("\\v'-" BAR_HEIGHT "'");
printfs("\\h'|\\n[%2]u'"
"\\v'-" HALF_DOUBLE_LINE_SEP "'"
"\\s[\\n[" LINESIZE_REG "]]"
"\\D'l \\n[%1]u 0'"
"\\v'" DOUBLE_LINE_SEP "'"
"\\D'l |\\n[%2]u 0'"
"\\s0"
"\\v'-" HALF_DOUBLE_LINE_SEP "'",
span_width_reg(start_col, end_col),
column_start_reg(start_col));
if (!dont_move)
prints("\\v'" BAR_HEIGHT "'");
if (mod->stagger)
prints("\\v'.5v'");
}
void set_modifier(const entry_modifier *m)
{
if (!m->font.empty())
printfs(".ft %1\n", m->font);
if (m->point_size.val != 0) {
prints(".ps ");
if (m->point_size.inc > 0)
prints('+');
else if (m->point_size.inc < 0)
prints('-');
printfs("%1\n", as_string(m->point_size.val));
}
if (m->vertical_spacing.val != 0) {
prints(".vs ");
if (m->vertical_spacing.inc > 0)
prints('+');
else if (m->vertical_spacing.inc < 0)
prints('-');
printfs("%1\n", as_string(m->vertical_spacing.val));
}
}
void set_inline_modifier(const entry_modifier *m)
{
if (!m->font.empty())
printfs("\\f[%1]", m->font);
if (m->point_size.val != 0) {
prints("\\s[");
if (m->point_size.inc > 0)
prints('+');
else if (m->point_size.inc < 0)
prints('-');
printfs("%1]", as_string(m->point_size.val));
}
if (m->stagger)
prints("\\v'-.5v'");
}
void restore_inline_modifier(const entry_modifier *m)
{
if (!m->font.empty())
prints("\\f[\\n[" SAVED_FONT_REG "]]");
if (m->point_size.val != 0)
prints("\\s[\\n[" SAVED_SIZE_REG "]]");
if (m->stagger)
prints("\\v'.5v'");
}
struct stuff {
stuff *next;
int row; // occurs before row `row'
char printed; // has it been printed?
stuff(int);
virtual void print(table *) = 0;
virtual ~stuff();
virtual int is_single_line() { return 0; };
virtual int is_double_line() { return 0; };
};
stuff::stuff(int r) : next(0), row(r), printed(0)
{
}
stuff::~stuff()
{
}
struct text_stuff : public stuff {
string contents;
const char *filename;
int lineno;
text_stuff(const string &, int r, const char *fn, int ln);
~text_stuff();
void print(table *);
};
text_stuff::text_stuff(const string &s, int r, const char *fn, int ln)
: stuff(r), contents(s), filename(fn), lineno(ln)
{
}
text_stuff::~text_stuff()
{
}
void text_stuff::print(table *)
{
printed = 1;
prints(".cp \\n(" COMPATIBLE_REG "\n");
set_troff_location(filename, lineno);
prints(contents);
prints(".cp 0\n");
location_force_filename = 1; // it might have been a .lf command
}
struct single_hline_stuff : public stuff {
single_hline_stuff(int r);
void print(table *);
int is_single_line();
};
single_hline_stuff::single_hline_stuff(int r) : stuff(r)
{
}
void single_hline_stuff::print(table *tbl)
{
printed = 1;
tbl->print_single_hline(row);
}
int single_hline_stuff::is_single_line()
{
return 1;
}
struct double_hline_stuff : stuff {
double_hline_stuff(int r);
void print(table *);
int is_double_line();
};
double_hline_stuff::double_hline_stuff(int r) : stuff(r)
{
}
void double_hline_stuff::print(table *tbl)
{
printed = 1;
tbl->print_double_hline(row);
}
int double_hline_stuff::is_double_line()
{
return 1;
}
struct vertical_rule {
vertical_rule *next;
int start_row;
int end_row;
short col;
char is_double;
string top_adjust;
string bot_adjust;
vertical_rule(int sr, int er, int c, int dbl, vertical_rule *);
~vertical_rule();
void contribute_to_bottom_macro(table *);
void print();
};
vertical_rule::vertical_rule(int sr, int er, int c, int dbl, vertical_rule *p)
: next(p), start_row(sr), end_row(er), col(c), is_double(dbl)
{
}
vertical_rule::~vertical_rule()
{
}
void vertical_rule::contribute_to_bottom_macro(table *tbl)
{
printfs(".if \\n[" CURRENT_ROW_REG "]>=%1",
as_string(start_row));
if (end_row != tbl->get_nrows() - 1)
printfs("&(\\n[" CURRENT_ROW_REG "]<%1)",
as_string(end_row));
prints(" \\{");
printfs(".if %1<=\\n[" LAST_PASSED_ROW_REG "] .nr %2 \\n[#T]\n",
as_string(start_row),
row_top_reg(start_row));
const char *offset_table[3];
if (is_double) {
offset_table[0] = "-" HALF_DOUBLE_LINE_SEP;
offset_table[1] = "+" HALF_DOUBLE_LINE_SEP;
offset_table[2] = 0;
}
else {
offset_table[0] = "";
offset_table[1] = 0;
}
for (const char **offsetp = offset_table; *offsetp; offsetp++) {
prints(".sp -1\n"
"\\v'" BODY_DEPTH);
if (!bot_adjust.empty())
printfs("+%1", bot_adjust);
prints("'");
printfs("\\h'\\n[%1]u%3'\\s[\\n[" LINESIZE_REG "]]\\D'l 0 |\\n[%2]u-1v",
column_divide_reg(col),
row_top_reg(start_row),
*offsetp);
if (!bot_adjust.empty())
printfs("-(%1)", bot_adjust);
// don't perform the top adjustment if the top is actually #T
if (!top_adjust.empty())
printfs("+((%1)*(%2>\\n[" LAST_PASSED_ROW_REG "]))",
top_adjust,
as_string(start_row));
prints("'\\s0\n");
}
prints(".\\}\n");
}
void vertical_rule::print()
{
printfs("\\*[" TRANSPARENT_STRING_NAME "]"
".if %1<=\\*[" QUOTE_STRING_NAME "]\\n[" LAST_PASSED_ROW_REG "] "
".nr %2 \\*[" QUOTE_STRING_NAME "]\\n[#T]\n",
as_string(start_row),
row_top_reg(start_row));
const char *offset_table[3];
if (is_double) {
offset_table[0] = "-" HALF_DOUBLE_LINE_SEP;
offset_table[1] = "+" HALF_DOUBLE_LINE_SEP;
offset_table[2] = 0;
}
else {
offset_table[0] = "";
offset_table[1] = 0;
}
for (const char **offsetp = offset_table; *offsetp; offsetp++) {
prints("\\*[" TRANSPARENT_STRING_NAME "].sp -1\n"
"\\*[" TRANSPARENT_STRING_NAME "]\\v'" BODY_DEPTH);
if (!bot_adjust.empty())
printfs("+%1", bot_adjust);
prints("'");
printfs("\\h'\\n[%1]u%3'"
"\\s[\\n[" LINESIZE_REG "]]"
"\\D'l 0 |\\*[" QUOTE_STRING_NAME "]\\n[%2]u-1v",
column_divide_reg(col),
row_top_reg(start_row),
*offsetp);
if (!bot_adjust.empty())
printfs("-(%1)", bot_adjust);
// don't perform the top adjustment if the top is actually #T
if (!top_adjust.empty())
printfs("+((%1)*(%2>\\*[" QUOTE_STRING_NAME "]\\n["
LAST_PASSED_ROW_REG "]))",
top_adjust,
as_string(start_row));
prints("'"
"\\s0\n");
}
}
table::table(int nc, unsigned f, int ls, char dpc)
: flags(f), nrows(0), ncolumns(nc), linesize(ls), decimal_point_char(dpc),
vrule_list(0), stuff_list(0), span_list(0),
entry_list(0), entry_list_tailp(&entry_list), entry(0),
vline(0), row_is_all_lines(0), left_separation(0), right_separation(0),
allocated_rows(0)
{
minimum_width = new string[ncolumns];
column_separation = ncolumns > 1 ? new int[ncolumns - 1] : 0;
equal = new char[ncolumns];
int i;
for (i = 0; i < ncolumns; i++)
equal[i] = 0;
for (i = 0; i < ncolumns-1; i++)
column_separation[i] = DEFAULT_COLUMN_SEPARATION;
delim[0] = delim[1] = '\0';
}
table::~table()
{
for (int i = 0; i < nrows; i++) {
a_delete entry[i];
a_delete vline[i];
}
a_delete entry;
a_delete vline;
while (entry_list) {
table_entry *tem = entry_list;
entry_list = entry_list->next;
delete tem;
}
ad_delete(ncolumns) minimum_width;
a_delete column_separation;
a_delete equal;
while (stuff_list) {
stuff *tem = stuff_list;
stuff_list = stuff_list->next;
delete tem;
}
while (vrule_list) {
vertical_rule *tem = vrule_list;
vrule_list = vrule_list->next;
delete tem;
}
a_delete row_is_all_lines;
while (span_list) {
horizontal_span *tem = span_list;
span_list = span_list->next;
delete tem;
}
}
void table::set_delim(char c1, char c2)
{
delim[0] = c1;
delim[1] = c2;
}
void table::set_minimum_width(int c, const string &w)
{
assert(c >= 0 && c < ncolumns);
minimum_width[c] = w;
}
void table::set_column_separation(int c, int n)
{
assert(c >= 0 && c < ncolumns - 1);
column_separation[c] = n;
}
void table::set_equal_column(int c)
{
assert(c >= 0 && c < ncolumns);
equal[c] = 1;
}
void table::add_stuff(stuff *p)
{
stuff **pp;
for (pp = &stuff_list; *pp; pp = &(*pp)->next)
;
*pp = p;
}
void table::add_text_line(int r, const string &s, const char *filename, int lineno)
{
add_stuff(new text_stuff(s, r, filename, lineno));
}
void table::add_single_hline(int r)
{
add_stuff(new single_hline_stuff(r));
}
void table::add_double_hline(int r)
{
add_stuff(new double_hline_stuff(r));
}
void table::allocate(int r)
{
if (r >= nrows) {
typedef table_entry **PPtable_entry; // work around g++ 1.36.1 bug
if (r >= allocated_rows) {
if (allocated_rows == 0) {
allocated_rows = 16;
if (allocated_rows <= r)
allocated_rows = r + 1;
entry = new PPtable_entry[allocated_rows];
vline = new char*[allocated_rows];
}
else {
table_entry ***old_entry = entry;
int old_allocated_rows = allocated_rows;
allocated_rows *= 2;
if (allocated_rows <= r)
allocated_rows = r + 1;
entry = new PPtable_entry[allocated_rows];
memcpy(entry, old_entry, sizeof(table_entry**)*old_allocated_rows);
a_delete old_entry;
char **old_vline = vline;
vline = new char*[allocated_rows];
memcpy(vline, old_vline, sizeof(char*)*old_allocated_rows);
a_delete old_vline;
}
}
assert(allocated_rows > r);
while (nrows <= r) {
entry[nrows] = new table_entry*[ncolumns];
int i;
for (i = 0; i < ncolumns; i++)
entry[nrows][i] = 0;
vline[nrows] = new char[ncolumns+1];
for (i = 0; i < ncolumns+1; i++)
vline[nrows][i] = 0;
nrows++;
}
}
}
void table::do_hspan(int r, int c)
{
assert(r >= 0 && c >= 0 && r < nrows && c < ncolumns);
if (c == 0) {
error("first column cannot be horizontally spanned");
return;
}
table_entry *e = entry[r][c];
if (e) {
assert(e->start_row <= r && r <= e->end_row
&& e->start_col <= c && c <= e->end_col
&& e->end_row - e->start_row > 0
&& e->end_col - e->start_col > 0);
return;
}
e = entry[r][c-1];
// e can be 0 if we had an empty entry or an error
if (e == 0)
return;
if (e->start_row != r) {
/*
l l
^ s */
error("impossible horizontal span at row %1, column %2", r + 1, c + 1);
}
else {
e->end_col = c;
entry[r][c] = e;
}
}
void table::do_vspan(int r, int c)
{
assert(r >= 0 && c >= 0 && r < nrows && c < ncolumns);
if (r == 0) {
error("first row cannot be vertically spanned");
return;
}
table_entry *e = entry[r][c];
if (e) {
assert(e->start_row <= r && r <= e->end_row
&& e->start_col <= c && c <= e->end_col
&& e->end_row - e->start_row > 0
&& e->end_col - e->start_col > 0);
return;
}
e = entry[r-1][c];
// e can be 0 if we had an empty entry or an error
if (e == 0)
return;
if (e->start_col != c) {
/* l s
l ^ */
error("impossible vertical span at row %1, column %2", r + 1, c + 1);
}
else {
for (int i = c; i <= e->end_col; i++) {
assert(entry[r][i] == 0);
entry[r][i] = e;
}
e->end_row = r;
}
}
int find_decimal_point(const char *s, char decimal_point_char,
const char *delim)
{
if (s == 0 || *s == '\0')
return -1;
const char *p;
int in_delim = 0; // is p within eqn delimiters?
// tbl recognises \& even within eqn delimiters; I don't
for (p = s; *p; p++)
if (in_delim) {
if (*p == delim[1])
in_delim = 0;
}
else if (*p == delim[0])
in_delim = 1;
else if (p[0] == '\\' && p[1] == '&')
return p - s;
int possible_pos = -1;
in_delim = 0;
for (p = s; *p; p++)
if (in_delim) {
if (*p == delim[1])
in_delim = 0;
}
else if (*p == delim[0])
in_delim = 1;
else if (p[0] == decimal_point_char && csdigit(p[1]))
possible_pos = p - s;
if (possible_pos >= 0)
return possible_pos;
in_delim = 0;
for (p = s; *p; p++)
if (in_delim) {
if (*p == delim[1])
in_delim = 0;
}
else if (*p == delim[0])
in_delim = 1;
else if (csdigit(*p))
possible_pos = p + 1 - s;
return possible_pos;
}
void table::add_entry(int r, int c, const string &str, const entry_format *f,
const char *fn, int ln)
{
allocate(r);
table_entry *e = 0;
if (str == "\\_") {
e = new short_line_entry(f);
}
else if (str == "\\=") {
e = new short_double_line_entry(f);
}
else if (str == "_") {
single_line_entry *lefte;
if (c > 0 && entry[r][c-1] != 0 &&
(lefte = entry[r][c-1]->to_single_line_entry()) != 0
&& lefte->start_row == r
&& lefte->mod->stagger == f->stagger) {
lefte->end_col = c;
entry[r][c] = lefte;
}
else
e = new single_line_entry(f);
}
else if (str == "=") {
double_line_entry *lefte;
if (c > 0 && entry[r][c-1] != 0 &&
(lefte = entry[r][c-1]->to_double_line_entry()) != 0
&& lefte->start_row == r
&& lefte->mod->stagger == f->stagger) {
lefte->end_col = c;
entry[r][c] = lefte;
}
else
e = new double_line_entry(f);
}
else if (str == "\\^") {
do_vspan(r, c);
}
else if (str.length() > 2 && str[0] == '\\' && str[1] == 'R') {
if (str.search('\n') >= 0)
error_with_file_and_line(fn, ln, "bad repeated character");
else {
char *s = str.substring(2, str.length() - 2).extract();
e = new repeated_char_entry(s, f);
}
}
else {
int is_block = str.search('\n') >= 0;
char *s;
switch (f->type) {
case FORMAT_SPAN:
assert(str.empty());
do_hspan(r, c);
break;
case FORMAT_LEFT:
if (!str.empty()) {
s = str.extract();
if (is_block)
e = new left_block_entry(s, f);
else
e = new left_text_entry(s, f);
}
else
e = new empty_entry(f);
break;
case FORMAT_CENTER:
if (!str.empty()) {
s = str.extract();
if (is_block)
e = new center_block_entry(s, f);
else
e = new center_text_entry(s, f);
}
else
e = new empty_entry(f);
break;
case FORMAT_RIGHT:
if (!str.empty()) {
s = str.extract();
if (is_block)
e = new right_block_entry(s, f);
else
e = new right_text_entry(s, f);
}
else
e = new empty_entry(f);
break;
case FORMAT_NUMERIC:
if (!str.empty()) {
s = str.extract();
if (is_block) {
error_with_file_and_line(fn, ln, "can't have numeric text block");
e = new left_block_entry(s, f);
}
else {
int pos = find_decimal_point(s, decimal_point_char, delim);
if (pos < 0)
e = new center_text_entry(s, f);
else
e = new numeric_text_entry(s, f, pos);
}
}
else
e = new empty_entry(f);
break;
case FORMAT_ALPHABETIC:
if (!str.empty()) {
s = str.extract();
if (is_block)
e = new alphabetic_block_entry(s, f);
else
e = new alphabetic_text_entry(s, f);
}
else
e = new empty_entry(f);
break;
case FORMAT_VSPAN:
do_vspan(r, c);
break;
case FORMAT_HLINE:
if (str.length() != 0)
error_with_file_and_line(fn, ln,
"non-empty data entry for `_' format ignored");
e = new single_line_entry(f);
break;
case FORMAT_DOUBLE_HLINE:
if (str.length() != 0)
error_with_file_and_line(fn, ln,
"non-empty data entry for `=' format ignored");
e = new double_line_entry(f);
break;
default:
assert(0);
}
}
if (e) {
table_entry *preve = entry[r][c];
if (preve) {
/* c s
^ l */
error_with_file_and_line(fn, ln, "row %1, column %2 already spanned",
r + 1, c + 1);
delete e;
}
else {
e->input_lineno = ln;
e->input_filename = fn;
e->start_row = e->end_row = r;
e->start_col = e->end_col = c;
*entry_list_tailp = e;
entry_list_tailp = &e->next;
entry[r][c] = e;
}
}
}
// add vertical lines for row r
void table::add_vlines(int r, const char *v)
{
allocate(r);
for (int i = 0; i < ncolumns+1; i++)
vline[r][i] = v[i];
}
void table::check()
{
table_entry *p = entry_list;
int i, j;
while (p) {
for (i = p->start_row; i <= p->end_row; i++)
for (j = p->start_col; j <= p->end_col; j++)
assert(entry[i][j] == p);
p = p->next;
}
}
void table::print()
{
location_force_filename = 1;
check();
init_output();
determine_row_type();
compute_widths();
if (!(flags & CENTER))
prints(".if \\n[" SAVED_CENTER_REG "] \\{");
prints(".in +(u;\\n[.l]-\\n[.i]-\\n[TW]/2)\n"
".nr " SAVED_INDENT_REG " \\n[.i]\n");
if (!(flags & CENTER))
prints(".\\}\n");
build_vrule_list();
define_bottom_macro();
do_top();
for (int i = 0; i < nrows; i++)
do_row(i);
do_bottom();
}
void table::determine_row_type()
{
row_is_all_lines = new char[nrows];
for (int i = 0; i < nrows; i++) {
int had_single = 0;
int had_double = 0;
int had_non_line = 0;
for (int c = 0; c < ncolumns; c++) {
table_entry *e = entry[i][c];
if (e != 0) {
if (e->start_row == e->end_row) {
int t = e->line_type();
switch (t) {
case -1:
had_non_line = 1;
break;
case 0:
// empty
break;
case 1:
had_single = 1;
break;
case 2:
had_double = 1;
break;
default:
assert(0);
}
if (had_non_line)
break;
}
c = e->end_col;
}
}
if (had_non_line)
row_is_all_lines[i] = 0;
else if (had_double)
row_is_all_lines[i] = 2;
else if (had_single)
row_is_all_lines[i] = 1;
else
row_is_all_lines[i] = 0;
}
}
void table::init_output()
{
prints(".nr " COMPATIBLE_REG " \\n(.C\n"
".cp 0\n");
if (linesize > 0)
printfs(".nr " LINESIZE_REG " %1\n", as_string(linesize));
else
prints(".nr " LINESIZE_REG " \\n[.s]\n");
if (!(flags & CENTER))
prints(".nr " SAVED_CENTER_REG " \\n[.ce]\n");
prints(".de " RESET_MACRO_NAME "\n"
".ft \\n[.f]\n"
".ps \\n[.s]\n"
".vs \\n[.v]u\n"
".in \\n[.i]u\n"
".ll \\n[.l]u\n"
".ls \\n[.L]\n"
".ad \\n[.j]\n"
".ie \\n[.u] .fi\n"
".el .nf\n"
".ce \\n[.ce]\n"
"..\n"
".nr " SAVED_INDENT_REG " \\n[.i]\n"
".nr " SAVED_FONT_REG " \\n[.f]\n"
".nr " SAVED_SIZE_REG " \\n[.s]\n"
".nr " SAVED_FILL_REG " \\n[.u]\n"
".nr T. 0\n"
".nr " CURRENT_ROW_REG " 0-1\n"
".nr " LAST_PASSED_ROW_REG " 0-1\n"
".nr " SECTION_DIVERSION_FLAG_REG " 0\n"
".ds " TRANSPARENT_STRING_NAME "\n"
".ds " QUOTE_STRING_NAME "\n"
".nr " NEED_BOTTOM_RULE_REG " 1\n"
".nr " SUPPRESS_BOTTOM_REG " 0\n"
".eo\n"
".de " REPEATED_MARK_MACRO "\n"
".mk \\$1\n"
".if !'\\n(.z'' \\!." REPEATED_MARK_MACRO " \"\\$1\"\n"
"..\n"
".de " REPEATED_VPT_MACRO "\n"
".vpt \\$1\n"
".if !'\\n(.z'' \\!." REPEATED_VPT_MACRO " \"\\$1\"\n"
"..\n");
if (!(flags & NOKEEP))
prints(".de " KEEP_MACRO_NAME "\n"
".if '\\n[.z]'' \\{.ds " QUOTE_STRING_NAME " \\\\\n"
".ds " TRANSPARENT_STRING_NAME " \\!\n"
".di " SECTION_DIVERSION_NAME "\n"
".nr " SECTION_DIVERSION_FLAG_REG " 1\n"
".in 0\n"
".\\}\n"
"..\n"
".de " RELEASE_MACRO_NAME "\n"
".if \\n[" SECTION_DIVERSION_FLAG_REG "] \\{"
".di\n"
".in \\n[" SAVED_INDENT_REG "]u\n"
".nr " SAVED_DN_REG " \\n[dn]\n"
".ds " QUOTE_STRING_NAME "\n"
".ds " TRANSPARENT_STRING_NAME "\n"
".nr " SECTION_DIVERSION_FLAG_REG " 0\n"
".if \\n[.t]<=\\n[dn] \\{"
".nr T. 1\n"
".T#\n"
".nr " SUPPRESS_BOTTOM_REG " 1\n"
".sp \\n[.t]u\n"
".nr " SUPPRESS_BOTTOM_REG " 0\n"
".mk #T\n"
".\\}\n"
".if \\n[.t]<=\\n[" SAVED_DN_REG "] "
/* Since we turn off traps, it won't get into an infinite loop
when we try and print it; it will just go off the bottom of the
page. */
".tm warning: page \\n%: table text block will not fit on one page\n"
".nf\n"
".ls 1\n"
"." SECTION_DIVERSION_NAME "\n"
".ls\n"
".rm " SECTION_DIVERSION_NAME "\n"
".\\}\n"
"..\n"
".nr " TABLE_DIVERSION_FLAG_REG " 0\n"
".de " TABLE_KEEP_MACRO_NAME "\n"
".if '\\n[.z]'' \\{"
".di " TABLE_DIVERSION_NAME "\n"
".nr " TABLE_DIVERSION_FLAG_REG " 1\n"
".\\}\n"
"..\n"
".de " TABLE_RELEASE_MACRO_NAME "\n"
".if \\n[" TABLE_DIVERSION_FLAG_REG "] \\{.br\n"
".di\n"
".nr " SAVED_DN_REG " \\n[dn]\n"
".ne \\n[dn]u+\\n[.V]u\n"
".ie \\n[.t]<=\\n[" SAVED_DN_REG "] "
".tm error: page \\n%: table will not fit on one page; use .TS H/.TH with a supporting macro package\n"
".el \\{"
".in 0\n"
".ls 1\n"
".nf\n"
"." TABLE_DIVERSION_NAME "\n"
".\\}\n"
".rm " TABLE_DIVERSION_NAME "\n"
".\\}\n"
"..\n");
prints(".ec\n"
".ce 0\n"
".nf\n");
}
string block_width_reg(int r, int c)
{
static char name[sizeof(BLOCK_WIDTH_PREFIX)+INT_DIGITS+1+INT_DIGITS];
sprintf(name, BLOCK_WIDTH_PREFIX "%d,%d", r, c);
return string(name);
}
string block_diversion_name(int r, int c)
{
static char name[sizeof(BLOCK_DIVERSION_PREFIX)+INT_DIGITS+1+INT_DIGITS];
sprintf(name, BLOCK_DIVERSION_PREFIX "%d,%d", r, c);
return string(name);
}
string block_height_reg(int r, int c)
{
static char name[sizeof(BLOCK_HEIGHT_PREFIX)+INT_DIGITS+1+INT_DIGITS];
sprintf(name, BLOCK_HEIGHT_PREFIX "%d,%d", r, c);
return string(name);
}
string span_width_reg(int start_col, int end_col)
{
static char name[sizeof(SPAN_WIDTH_PREFIX)+INT_DIGITS+1+INT_DIGITS];
sprintf(name, SPAN_WIDTH_PREFIX "%d", start_col);
if (end_col != start_col)
sprintf(strchr(name, '\0'), ",%d", end_col);
return string(name);
}
string span_left_numeric_width_reg(int start_col, int end_col)
{
static char name[sizeof(SPAN_LEFT_NUMERIC_WIDTH_PREFIX)+INT_DIGITS+1+INT_DIGITS];
sprintf(name, SPAN_LEFT_NUMERIC_WIDTH_PREFIX "%d", start_col);
if (end_col != start_col)
sprintf(strchr(name, '\0'), ",%d", end_col);
return string(name);
}
string span_right_numeric_width_reg(int start_col, int end_col)
{
static char name[sizeof(SPAN_RIGHT_NUMERIC_WIDTH_PREFIX)+INT_DIGITS+1+INT_DIGITS];
sprintf(name, SPAN_RIGHT_NUMERIC_WIDTH_PREFIX "%d", start_col);
if (end_col != start_col)
sprintf(strchr(name, '\0'), ",%d", end_col);
return string(name);
}
string span_alphabetic_width_reg(int start_col, int end_col)
{
static char name[sizeof(SPAN_ALPHABETIC_WIDTH_PREFIX)+INT_DIGITS+1+INT_DIGITS];
sprintf(name, SPAN_ALPHABETIC_WIDTH_PREFIX "%d", start_col);
if (end_col != start_col)
sprintf(strchr(name, '\0'), ",%d", end_col);
return string(name);
}
string column_separation_reg(int col)
{
static char name[sizeof(COLUMN_SEPARATION_PREFIX)+INT_DIGITS];
sprintf(name, COLUMN_SEPARATION_PREFIX "%d", col);
return string(name);
}
string row_start_reg(int row)
{
static char name[sizeof(ROW_START_PREFIX)+INT_DIGITS];
sprintf(name, ROW_START_PREFIX "%d", row);
return string(name);
}
string column_start_reg(int col)
{
static char name[sizeof(COLUMN_START_PREFIX)+INT_DIGITS];
sprintf(name, COLUMN_START_PREFIX "%d", col);
return string(name);
}
string column_end_reg(int col)
{
static char name[sizeof(COLUMN_END_PREFIX)+INT_DIGITS];
sprintf(name, COLUMN_END_PREFIX "%d", col);
return string(name);
}
string column_divide_reg(int col)
{
static char name[sizeof(COLUMN_DIVIDE_PREFIX)+INT_DIGITS];
sprintf(name, COLUMN_DIVIDE_PREFIX "%d", col);
return string(name);
}
string row_top_reg(int row)
{
static char name[sizeof(ROW_TOP_PREFIX)+INT_DIGITS];
sprintf(name, ROW_TOP_PREFIX "%d", row);
return string(name);
}
void init_span_reg(int start_col, int end_col)
{
printfs(".nr %1 \\n(.H\n.nr %2 0\n.nr %3 0\n.nr %4 0\n",
span_width_reg(start_col, end_col),
span_alphabetic_width_reg(start_col, end_col),
span_left_numeric_width_reg(start_col, end_col),
span_right_numeric_width_reg(start_col, end_col));
}
void compute_span_width(int start_col, int end_col)
{
printfs(".nr %1 \\n[%1]>?(\\n[%2]+\\n[%3])\n"
".if \\n[%4] .nr %1 \\n[%1]>?(\\n[%4]+2n)\n",
span_width_reg(start_col, end_col),
span_left_numeric_width_reg(start_col, end_col),
span_right_numeric_width_reg(start_col, end_col),
span_alphabetic_width_reg(start_col, end_col));
}
// Increase the widths of columns so that the width of any spanning entry
// is no greater than the sum of the widths of the columns that it spans.
// Ensure that the widths of columns remain equal.
void table::divide_span(int start_col, int end_col)
{
assert(end_col > start_col);
printfs(".nr " NEEDED_REG " \\n[%1]-(\\n[%2]",
span_width_reg(start_col, end_col),
span_width_reg(start_col, start_col));
int i;
for (i = start_col + 1; i <= end_col; i++) {
// The column separation may shrink with the expand option.
if (!(flags & EXPAND))
printfs("+%1n", as_string(column_separation[i - 1]));
printfs("+\\n[%1]", span_width_reg(i, i));
}
prints(")\n");
printfs(".nr " NEEDED_REG " \\n[" NEEDED_REG "]/%1\n",
as_string(end_col - start_col + 1));
prints(".if \\n[" NEEDED_REG "] \\{");
for (i = start_col; i <= end_col; i++)
printfs(".nr %1 +\\n[" NEEDED_REG "]\n",
span_width_reg(i, i));
int equal_flag = 0;
for (i = start_col; i <= end_col && !equal_flag; i++)
if (equal[i])
equal_flag = 1;
if (equal_flag) {
for (i = 0; i < ncolumns; i++)
if (i < start_col || i > end_col)
printfs(".nr %1 +\\n[" NEEDED_REG "]\n",
span_width_reg(i, i));
}
prints(".\\}\n");
}
void table::sum_columns(int start_col, int end_col)
{
assert(end_col > start_col);
printfs(".nr %1 \\n[%2]",
span_width_reg(start_col, end_col),
span_width_reg(start_col, start_col));
for (int i = start_col + 1; i <= end_col; i++)
printfs("+(%1*\\n[" SEPARATION_FACTOR_REG "])+\\n[%2]",
as_string(column_separation[i - 1]),
span_width_reg(i, i));
prints('\n');
}
horizontal_span::horizontal_span(int sc, int ec, horizontal_span *p)
: next(p), start_col(sc), end_col(ec)
{
}
void table::build_span_list()
{
span_list = 0;
table_entry *p = entry_list;
while (p) {
if (p->end_col != p->start_col) {
horizontal_span *q;
for (q = span_list; q; q = q->next)
if (q->start_col == p->start_col
&& q->end_col == p->end_col)
break;
if (!q)
span_list = new horizontal_span(p->start_col, p->end_col, span_list);
}
p = p->next;
}
// Now sort span_list primarily by order of end_row, and secondarily
// by reverse order of start_row. This ensures that if we divide
// spans using the order in span_list, we will get reasonable results.
horizontal_span *unsorted = span_list;
span_list = 0;
while (unsorted) {
horizontal_span **pp;
for (pp = &span_list; *pp; pp = &(*pp)->next)
if (unsorted->end_col < (*pp)->end_col
|| (unsorted->end_col == (*pp)->end_col
&& (unsorted->start_col > (*pp)->start_col)))
break;
horizontal_span *tem = unsorted->next;
unsorted->next = *pp;
*pp = unsorted;
unsorted = tem;
}
}
void table::compute_separation_factor()
{
if (flags & (ALLBOX|BOX|DOUBLEBOX))
left_separation = right_separation = 1;
else {
for (int i = 0; i < nrows; i++) {
if (vline[i][0] > 0)
left_separation = 1;
if (vline[i][ncolumns] > 0)
right_separation = 1;
}
}
if (flags & EXPAND) {
int total_sep = left_separation + right_separation;
int i;
for (i = 0; i < ncolumns - 1; i++)
total_sep += column_separation[i];
if (total_sep != 0) {
// Don't let the separation factor be negative.
prints(".nr " SEPARATION_FACTOR_REG " \\n[.l]-\\n[.i]");
for (i = 0; i < ncolumns; i++)
printfs("-\\n[%1]", span_width_reg(i, i));
printfs("/%1>?0\n", as_string(total_sep));
}
}
}
void table::compute_column_positions()
{
printfs(".nr %1 0\n", column_divide_reg(0));
printfs(".nr %1 %2*\\n[" SEPARATION_FACTOR_REG "]\n",
column_start_reg(0),
as_string(left_separation));
int i;
for (i = 1;; i++) {
printfs(".nr %1 \\n[%2]+\\n[%3]\n",
column_end_reg(i-1),
column_start_reg(i-1),
span_width_reg(i-1, i-1));
if (i >= ncolumns)
break;
printfs(".nr %1 \\n[%2]+(%3*\\n[" SEPARATION_FACTOR_REG "])\n",
column_start_reg(i),
column_end_reg(i-1),
as_string(column_separation[i-1]));
printfs(".nr %1 \\n[%2]+\\n[%3]/2\n",
column_divide_reg(i),
column_end_reg(i-1),
column_start_reg(i));
}
printfs(".nr %1 \\n[%2]+(%3*\\n[" SEPARATION_FACTOR_REG "])\n",
column_divide_reg(ncolumns),
column_end_reg(i-1),
as_string(right_separation));
printfs(".nr TW \\n[%1]\n",
column_divide_reg(ncolumns));
if (flags & DOUBLEBOX) {
printfs(".nr %1 +" DOUBLE_LINE_SEP "\n", column_divide_reg(0));
printfs(".nr %1 -" DOUBLE_LINE_SEP "\n", column_divide_reg(ncolumns));
}
}
void table::make_columns_equal()
{
int first = -1; // index of first equal column
int i;
for (i = 0; i < ncolumns; i++)
if (equal[i]) {
if (first < 0) {
printfs(".nr %1 \\n[%1]", span_width_reg(i, i));
first = i;
}
else
printfs(">?\\n[%1]", span_width_reg(i, i));
}
if (first >= 0) {
prints('\n');
for (i = first + 1; i < ncolumns; i++)
if (equal[i])
printfs(".nr %1 \\n[%2]\n",
span_width_reg(i, i),
span_width_reg(first, first));
}
}
void table::compute_widths()
{
build_span_list();
int i;
horizontal_span *p;
prints(".nr " SEPARATION_FACTOR_REG " 1n\n");
for (i = 0; i < ncolumns; i++) {
init_span_reg(i, i);
if (!minimum_width[i].empty())
printfs(".nr %1 %2\n", span_width_reg(i, i), minimum_width[i]);
}
for (p = span_list; p; p = p->next)
init_span_reg(p->start_col, p->end_col);
table_entry *q;
for (q = entry_list; q; q = q->next)
if (!q->mod->zero_width)
q->do_width();
for (i = 0; i < ncolumns; i++)
compute_span_width(i, i);
for (p = span_list; p; p = p->next)
compute_span_width(p->start_col, p->end_col);
make_columns_equal();
// Note that divide_span keeps equal width columns equal.
for (p = span_list; p; p = p->next)
divide_span(p->start_col, p->end_col);
for (p = span_list; p; p = p->next)
sum_columns(p->start_col, p->end_col);
int had_spanning_block = 0;
int had_equal_block = 0;
for (q = entry_list; q; q = q->next)
if (q->divert(ncolumns, minimum_width,
(flags & EXPAND) ? column_separation : 0)) {
if (q->end_col > q->start_col)
had_spanning_block = 1;
for (i = q->start_col; i <= q->end_col && !had_equal_block; i++)
if (equal[i])
had_equal_block = 1;
}
if (had_equal_block)
make_columns_equal();
if (had_spanning_block)
for (p = span_list; p; p = p->next)
divide_span(p->start_col, p->end_col);
compute_separation_factor();
for (p = span_list; p; p = p->next)
sum_columns(p->start_col, p->end_col);
compute_column_positions();
}
void table::print_single_hline(int r)
{
prints(".vs " LINE_SEP ">?\\n[.V]u\n"
".ls 1\n"
"\\v'" BODY_DEPTH "'"
"\\s[\\n[" LINESIZE_REG "]]");
if (r > nrows - 1)
prints("\\D'l |\\n[TW]u 0'");
else {
int start_col = 0;
for (;;) {
while (start_col < ncolumns
&& entry[r][start_col] != 0
&& entry[r][start_col]->start_row != r)
start_col++;
int end_col;
for (end_col = start_col;
end_col < ncolumns
&& (entry[r][end_col] == 0
|| entry[r][end_col]->start_row == r);
end_col++)
;
if (end_col <= start_col)
break;
printfs("\\h'|\\n[%1]u",
column_divide_reg(start_col));
if ((r > 0 && vline[r-1][start_col] == 2)
|| (r < nrows && vline[r][start_col] == 2))
prints("-" HALF_DOUBLE_LINE_SEP);
prints("'");
printfs("\\D'l |\\n[%1]u",
column_divide_reg(end_col));
if ((r > 0 && vline[r-1][end_col] == 2)
|| (r < nrows && vline[r][end_col] == 2))
prints("+" HALF_DOUBLE_LINE_SEP);
prints(" 0'");
start_col = end_col;
}
}
prints("\\s0\n");
prints(".ls\n"
".vs\n");
}
void table::print_double_hline(int r)
{
prints(".vs " LINE_SEP "+" DOUBLE_LINE_SEP
">?\\n[.V]u\n"
".ls 1\n"
"\\v'" BODY_DEPTH "'"
"\\s[\\n[" LINESIZE_REG "]]");
if (r > nrows - 1)
prints("\\v'-" DOUBLE_LINE_SEP "'"
"\\D'l |\\n[TW]u 0'"
"\\v'" DOUBLE_LINE_SEP "'"
"\\h'|0'"
"\\D'l |\\n[TW]u 0'");
else {
int start_col = 0;
for (;;) {
while (start_col < ncolumns
&& entry[r][start_col] != 0
&& entry[r][start_col]->start_row != r)
start_col++;
int end_col;
for (end_col = start_col;
end_col < ncolumns
&& (entry[r][end_col] == 0
|| entry[r][end_col]->start_row == r);
end_col++)
;
if (end_col <= start_col)
break;
const char *left_adjust = 0;
if ((r > 0 && vline[r-1][start_col] == 2)
|| (r < nrows && vline[r][start_col] == 2))
left_adjust = "-" HALF_DOUBLE_LINE_SEP;
const char *right_adjust = 0;
if ((r > 0 && vline[r-1][end_col] == 2)
|| (r < nrows && vline[r][end_col] == 2))
right_adjust = "+" HALF_DOUBLE_LINE_SEP;
printfs("\\v'-" DOUBLE_LINE_SEP "'"
"\\h'|\\n[%1]u",
column_divide_reg(start_col));
if (left_adjust)
prints(left_adjust);
prints("'");
printfs("\\D'l |\\n[%1]u",
column_divide_reg(end_col));
if (right_adjust)
prints(right_adjust);
prints(" 0'");
printfs("\\v'" DOUBLE_LINE_SEP "'"
"\\h'|\\n[%1]u",
column_divide_reg(start_col));
if (left_adjust)
prints(left_adjust);
prints("'");
printfs("\\D'l |\\n[%1]u",
column_divide_reg(end_col));
if (right_adjust)
prints(right_adjust);
prints(" 0'");
start_col = end_col;
}
}
prints("\\s0\n"
".ls\n"
".vs\n");
}
void table::compute_vrule_top_adjust(int start_row, int col, string &result)
{
if (row_is_all_lines[start_row] && start_row < nrows - 1) {
if (row_is_all_lines[start_row] == 2)
result = LINE_SEP ">?\\n[.V]u" "+" DOUBLE_LINE_SEP;
else
result = LINE_SEP ">?\\n[.V]u";
start_row++;
}
else {
result = "";
if (start_row == 0)
return;
for (stuff *p = stuff_list; p && p->row <= start_row; p = p->next)
if (p->row == start_row
&& (p->is_single_line() || p->is_double_line()))
return;
}
int left = 0;
if (col > 0) {
table_entry *e = entry[start_row-1][col-1];
if (e && e->start_row == e->end_row) {
if (e->to_double_line_entry() != 0)
left = 2;
else if (e->to_single_line_entry() != 0)
left = 1;
}
}
int right = 0;
if (col < ncolumns) {
table_entry *e = entry[start_row-1][col];
if (e && e->start_row == e->end_row) {
if (e->to_double_line_entry() != 0)
right = 2;
else if (e->to_single_line_entry() != 0)
right = 1;
}
}
if (row_is_all_lines[start_row-1] == 0) {
if (left > 0 || right > 0) {
result += "-" BODY_DEPTH "-" BAR_HEIGHT;
if ((left == 2 && right != 2) || (right == 2 && left != 2))
result += "-" HALF_DOUBLE_LINE_SEP;
else if (left == 2 && right == 2)
result += "+" HALF_DOUBLE_LINE_SEP;
}
}
else if (row_is_all_lines[start_row-1] == 2) {
if ((left == 2 && right != 2) || (right == 2 && left != 2))
result += "-" DOUBLE_LINE_SEP;
else if (left == 1 || right == 1)
result += "-" HALF_DOUBLE_LINE_SEP;
}
}
void table::compute_vrule_bot_adjust(int end_row, int col, string &result)
{
if (row_is_all_lines[end_row] && end_row > 0) {
end_row--;
result = "";
}
else {
stuff *p;
for (p = stuff_list; p && p->row < end_row + 1; p = p->next)
;
if (p && p->row == end_row + 1 && p->is_double_line()) {
result = "-" DOUBLE_LINE_SEP;
return;
}
if ((p != 0 && p->row == end_row + 1)
|| end_row == nrows - 1) {
result = "";
return;
}
if (row_is_all_lines[end_row+1] == 1)
result = LINE_SEP;
else if (row_is_all_lines[end_row+1] == 2)
result = LINE_SEP "+" DOUBLE_LINE_SEP;
else
result = "";
}
int left = 0;
if (col > 0) {
table_entry *e = entry[end_row+1][col-1];
if (e && e->start_row == e->end_row) {
if (e->to_double_line_entry() != 0)
left = 2;
else if (e->to_single_line_entry() != 0)
left = 1;
}
}
int right = 0;
if (col < ncolumns) {
table_entry *e = entry[end_row+1][col];
if (e && e->start_row == e->end_row) {
if (e->to_double_line_entry() != 0)
right = 2;
else if (e->to_single_line_entry() != 0)
right = 1;
}
}
if (row_is_all_lines[end_row+1] == 0) {
if (left > 0 || right > 0) {
result = "1v-" BODY_DEPTH "-" BAR_HEIGHT;
if ((left == 2 && right != 2) || (right == 2 && left != 2))
result += "+" HALF_DOUBLE_LINE_SEP;
else if (left == 2 && right == 2)
result += "-" HALF_DOUBLE_LINE_SEP;
}
}
else if (row_is_all_lines[end_row+1] == 2) {
if (left == 2 && right == 2)
result += "-" DOUBLE_LINE_SEP;
else if (left != 2 && right != 2 && (left == 1 || right == 1))
result += "-" HALF_DOUBLE_LINE_SEP;
}
}
void table::add_vertical_rule(int start_row, int end_row, int col, int is_double)
{
vrule_list = new vertical_rule(start_row, end_row, col, is_double,
vrule_list);
compute_vrule_top_adjust(start_row, col, vrule_list->top_adjust);
compute_vrule_bot_adjust(end_row, col, vrule_list->bot_adjust);
}
void table::build_vrule_list()
{
int col;
if (flags & ALLBOX) {
for (col = 1; col < ncolumns; col++) {
int start_row = 0;
for (;;) {
while (start_row < nrows && vline_spanned(start_row, col))
start_row++;
if (start_row >= nrows)
break;
int end_row = start_row;
while (end_row < nrows && !vline_spanned(end_row, col))
end_row++;
end_row--;
add_vertical_rule(start_row, end_row, col, 0);
start_row = end_row + 1;
}
}
}
if (flags & (BOX|ALLBOX|DOUBLEBOX)) {
add_vertical_rule(0, nrows - 1, 0, 0);
add_vertical_rule(0, nrows - 1, ncolumns, 0);
}
for (int end_row = 0; end_row < nrows; end_row++)
for (col = 0; col < ncolumns+1; col++)
if (vline[end_row][col] > 0
&& !vline_spanned(end_row, col)
&& (end_row == nrows - 1
|| vline[end_row+1][col] != vline[end_row][col]
|| vline_spanned(end_row+1, col))) {
int start_row;
for (start_row = end_row - 1;
start_row >= 0
&& vline[start_row][col] == vline[end_row][col]
&& !vline_spanned(start_row, col);
start_row--)
;
start_row++;
add_vertical_rule(start_row, end_row, col, vline[end_row][col] > 1);
}
for (vertical_rule *p = vrule_list; p; p = p->next)
if (p->is_double)
for (int r = p->start_row; r <= p->end_row; r++) {
if (p->col > 0 && entry[r][p->col-1] != 0
&& entry[r][p->col-1]->end_col == p->col-1) {
int is_corner = r == p->start_row || r == p->end_row;
entry[r][p->col-1]->note_double_vrule_on_right(is_corner);
}
if (p->col < ncolumns && entry[r][p->col] != 0
&& entry[r][p->col]->start_col == p->col) {
int is_corner = r == p->start_row || r == p->end_row;
entry[r][p->col]->note_double_vrule_on_left(is_corner);
}
}
}
void table::define_bottom_macro()
{
prints(".eo\n"
".de T#\n"
".if !\\n[" SUPPRESS_BOTTOM_REG "] \\{"
"." REPEATED_VPT_MACRO " 0\n"
".mk " SAVED_VERTICAL_POS_REG "\n");
if (flags & (BOX|ALLBOX|DOUBLEBOX)) {
prints(".if \\n[T.]&\\n[" NEED_BOTTOM_RULE_REG "] \\{");
print_single_hline(0);
prints(".\\}\n");
}
prints(".ls 1\n");
for (vertical_rule *p = vrule_list; p; p = p->next)
p->contribute_to_bottom_macro(this);
if (flags & DOUBLEBOX)
prints(".if \\n[T.] \\{.vs " DOUBLE_LINE_SEP ">?\\n[.V]u\n"
"\\v'" BODY_DEPTH "'\\s[\\n[" LINESIZE_REG "]]"
"\\D'l \\n[TW]u 0'\\s0\n"
".vs\n"
".\\}\n"
".if \\n[" LAST_PASSED_ROW_REG "]>=0 "
".nr " TOP_REG " \\n[#T]-" DOUBLE_LINE_SEP "\n"
".sp -1\n"
"\\v'" BODY_DEPTH "'\\s[\\n[" LINESIZE_REG "]]"
"\\D'l 0 |\\n[" TOP_REG "]u-1v'\\s0\n"
".sp -1\n"
"\\v'" BODY_DEPTH "'\\h'|\\n[TW]u'\\s[\\n[" LINESIZE_REG "]]"
"\\D'l 0 |\\n[" TOP_REG "]u-1v'\\s0\n");
prints(".ls\n");
prints(".nr " LAST_PASSED_ROW_REG " \\n[" CURRENT_ROW_REG "]\n"
".sp |\\n[" SAVED_VERTICAL_POS_REG "]u\n"
"." REPEATED_VPT_MACRO " 1\n"
".\\}\n"
"..\n"
".ec\n");
}
// is the vertical line before column c in row r horizontally spanned?
int table::vline_spanned(int r, int c)
{
assert(r >= 0 && r < nrows && c >= 0 && c < ncolumns + 1);
return (c != 0 && c != ncolumns && entry[r][c] != 0
&& entry[r][c]->start_col != c
// horizontally spanning lines don't count
&& entry[r][c]->to_double_line_entry() == 0
&& entry[r][c]->to_single_line_entry() == 0);
}
int table::row_begins_section(int r)
{
assert(r >= 0 && r < nrows);
for (int i = 0; i < ncolumns; i++)
if (entry[r][i] && entry[r][i]->start_row != r)
return 0;
return 1;
}
int table::row_ends_section(int r)
{
assert(r >= 0 && r < nrows);
for (int i = 0; i < ncolumns; i++)
if (entry[r][i] && entry[r][i]->end_row != r)
return 0;
return 1;
}
void table::do_row(int r)
{
if (!(flags & NOKEEP) && row_begins_section(r))
prints("." KEEP_MACRO_NAME "\n");
int had_line = 0;
stuff *p;
for (p = stuff_list; p && p->row < r; p = p->next)
;
for (stuff *p1 = p; p1 && p1->row == r; p1 = p1->next)
if (!p1->printed && (p1->is_single_line() || p1->is_double_line())) {
had_line = 1;
break;
}
if (!had_line && !row_is_all_lines[r])
printfs("." REPEATED_MARK_MACRO " %1\n", row_top_reg(r));
had_line = 0;
for (; p && p->row == r; p = p->next)
if (!p->printed) {
p->print(this);
if (!had_line && (p->is_single_line() || p->is_double_line())) {
printfs("." REPEATED_MARK_MACRO " %1\n", row_top_reg(r));
had_line = 1;
}
}
// Change the row *after* printing the stuff list (which might contain .TH).
printfs("\\*[" TRANSPARENT_STRING_NAME "].nr " CURRENT_ROW_REG " %1\n",
as_string(r));
if (!had_line && row_is_all_lines[r])
printfs("." REPEATED_MARK_MACRO " %1\n", row_top_reg(r));
// we might have had a .TH, for example, since we last tried
if (!(flags & NOKEEP) && row_begins_section(r))
prints("." KEEP_MACRO_NAME "\n");
printfs(".mk %1\n", row_start_reg(r));
prints(".mk " BOTTOM_REG "\n"
"." REPEATED_VPT_MACRO " 0\n");
int c;
int row_is_blank = 1;
int first_start_row = r;
for (c = 0; c < ncolumns; c++) {
table_entry *e = entry[r][c];
if (e) {
if (e->end_row == r) {
e->do_depth();
if (e->start_row < first_start_row)
first_start_row = e->start_row;
row_is_blank = 0;
}
c = e->end_col;
}
}
if (row_is_blank)
prints(".nr " BOTTOM_REG " +1v\n");
if (row_is_all_lines[r]) {
prints(".vs " LINE_SEP);
if (row_is_all_lines[r] == 2)
prints("+" DOUBLE_LINE_SEP);
prints(">?\\n[.V]u\n.ls 1\n");
prints("\\&");
prints("\\v'" BODY_DEPTH);
if (row_is_all_lines[r] == 2)
prints("-" HALF_DOUBLE_LINE_SEP);
prints("'");
for (c = 0; c < ncolumns; c++) {
table_entry *e = entry[r][c];
if (e) {
if (e->end_row == e->start_row)
e->to_simple_entry()->simple_print(1);
c = e->end_col;
}
}
prints("\n");
prints(".ls\n"
".vs\n");
prints(".nr " BOTTOM_REG " \\n[" BOTTOM_REG "]>?\\n[.d]\n");
printfs(".sp |\\n[%1]u\n", row_start_reg(r));
}
for (int i = row_is_all_lines[r] ? r - 1 : r;
i >= first_start_row;
i--) {
simple_entry *first = 0;
for (c = 0; c < ncolumns; c++) {
table_entry *e = entry[r][c];
if (e) {
if (e->end_row == r && e->start_row == i) {
simple_entry *simple = e->to_simple_entry();
if (simple) {
if (!first) {
prints(".ta");
first = simple;
}
simple->add_tab();
}
}
c = e->end_col;
}
}
if (first) {
prints('\n');
first->position_vertically();
first->set_location();
prints("\\&");
first->simple_print(0);
for (c = first->end_col + 1; c < ncolumns; c++) {
table_entry *e = entry[r][c];
if (e) {
if (e->end_row == r && e->start_row == i) {
simple_entry *simple = e->to_simple_entry();
if (simple)
simple->simple_print(0);
}
c = e->end_col;
}
}
prints('\n');
prints(".nr " BOTTOM_REG " \\n[" BOTTOM_REG "]>?\\n[.d]\n");
printfs(".sp |\\n[%1]u\n", row_start_reg(r));
}
}
for (c = 0; c < ncolumns; c++) {
table_entry *e = entry[r][c];
if (e) {
if (e->end_row == r && e->to_simple_entry() == 0) {
e->position_vertically();
e->print();
prints(".nr " BOTTOM_REG " \\n[" BOTTOM_REG "]>?\\n[.d]\n");
printfs(".sp |\\n[%1]u\n", row_start_reg(r));
}
c = e->end_col;
}
}
prints("." REPEATED_VPT_MACRO " 1\n"
".sp |\\n[" BOTTOM_REG "]u\n"
"\\*[" TRANSPARENT_STRING_NAME "].nr " NEED_BOTTOM_RULE_REG " 1\n");
if (r != nrows - 1 && (flags & ALLBOX)) {
print_single_hline(r + 1);
prints("\\*[" TRANSPARENT_STRING_NAME "].nr " NEED_BOTTOM_RULE_REG " 0\n");
}
if (r != nrows - 1) {
if (p && p->row == r + 1
&& (p->is_single_line() || p->is_double_line())) {
p->print(this);
prints("\\*[" TRANSPARENT_STRING_NAME "].nr " NEED_BOTTOM_RULE_REG
" 0\n");
}
int printed_one = 0;
for (vertical_rule *vr = vrule_list; vr; vr = vr->next)
if (vr->end_row == r) {
if (!printed_one) {
prints("." REPEATED_VPT_MACRO " 0\n");
printed_one = 1;
}
vr->print();
}
if (printed_one)
prints("." REPEATED_VPT_MACRO " 1\n");
if (!(flags & NOKEEP) && row_ends_section(r))
prints("." RELEASE_MACRO_NAME "\n");
}
}
void table::do_top()
{
prints(".fc \002\003\n");
if (!(flags & NOKEEP) && (flags & (BOX|DOUBLEBOX|ALLBOX)))
prints("." TABLE_KEEP_MACRO_NAME "\n");
if (flags & DOUBLEBOX) {
prints(".ls 1\n"
".vs " LINE_SEP ">?\\n[.V]u\n"
"\\v'" BODY_DEPTH "'\\s[\\n[" LINESIZE_REG "]]\\D'l \\n[TW]u 0'\\s0\n"
".vs\n"
"." REPEATED_MARK_MACRO " " TOP_REG "\n"
".vs " DOUBLE_LINE_SEP ">?\\n[.V]u\n");
printfs("\\v'" BODY_DEPTH "'"
"\\s[\\n[" LINESIZE_REG "]]"
"\\h'\\n[%1]u'"
"\\D'l |\\n[%2]u 0'"
"\\s0"
"\n",
column_divide_reg(0),
column_divide_reg(ncolumns));
prints(".ls\n"
".vs\n");
}
else if (flags & (ALLBOX|BOX)) {
print_single_hline(0);
}
//printfs(".mk %1\n", row_top_reg(0));
}
void table::do_bottom()
{
// print stuff after last row
for (stuff *p = stuff_list; p; p = p->next)
if (p->row > nrows - 1)
p->print(this);
if (!(flags & NOKEEP))
prints("." RELEASE_MACRO_NAME "\n");
printfs(".mk %1\n", row_top_reg(nrows));
prints(".nr " NEED_BOTTOM_RULE_REG " 1\n"
".nr T. 1\n"
".T#\n");
if (!(flags & NOKEEP) && (flags & (BOX|DOUBLEBOX|ALLBOX)))
prints("." TABLE_RELEASE_MACRO_NAME "\n");
if (flags & DOUBLEBOX)
prints(".sp " DOUBLE_LINE_SEP "\n");
prints("." RESET_MACRO_NAME "\n"
".fc\n"
".cp \\n(" COMPATIBLE_REG "\n");
}
int table::get_nrows()
{
return nrows;
}
const char *last_filename = 0;
void set_troff_location(const char *fn, int ln)
{
if (!location_force_filename && last_filename != 0
&& strcmp(fn, last_filename) == 0)
printfs(".lf %1\n", as_string(ln));
else {
printfs(".lf %1 %2\n", as_string(ln), fn);
last_filename = fn;
location_force_filename = 0;
}
}
void printfs(const char *s, const string &arg1, const string &arg2,
const string &arg3, const string &arg4, const string &arg5)
{
if (s) {
char c;
while ((c = *s++) != '\0') {
if (c == '%') {
switch (*s++) {
case '1':
prints(arg1);
break;
case '2':
prints(arg2);
break;
case '3':
prints(arg3);
break;
case '4':
prints(arg4);
break;
case '5':
prints(arg5);
break;
case '6':
case '7':
case '8':
case '9':
break;
case '%':
prints('%');
break;
default:
assert(0);
}
}
else
prints(c);
}
}
}
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