void printf_formattert::process_char(std::ostream &out)
{
char ch=next();
if(ch=='%')
process_format(out);
else
out << ch;
}
USHORT FAR prntf (NPSZ buf, NPSZ fmt, PUCHAR arg_ptr)
{
NPCH sptr;
LONG lval;
ULONG uval;
fs.buf = buf;
fs.off = 0;
fs.fmtptr = fmt;
while (process_format (&fs) != TYPE_END) {
switch (fs.type) {
case TYPE_STRING:
sptr = va_arg (arg_ptr, NPCH);
put_field (&fs, sptr);
break;
case TYPE_CHAR:
*(short far *)(fs.buf+fs.off) = va_arg (arg_ptr, USHORT);
fs.off++;
break;
case TYPE_PCT:
*(short far *)(fs.buf+fs.off) = '%';
fs.off++;
break;
case TYPE_DECIMAL:
lval = (fs.flags & FS_LONG) ? va_arg (arg_ptr, LONG)
: va_arg (arg_ptr, INT );
cvtld (sbuf, lval);
put_field (&fs, sbuf);
break;
case TYPE_UNSIGNED:
case TYPE_HEX:
uval = (fs.flags & FS_LONG) ? va_arg (arg_ptr, ULONG)
: va_arg (arg_ptr, USHORT );
if (fs.type == TYPE_HEX)
cvtlx (sbuf, uval);
else
cvtlu (sbuf, uval);
put_field (&fs, sbuf);
break;
case TYPE_INVALID:
_strncpy (fs.buf+fs.off, fs.fmtstrt, fs.fmtptr-fs.fmtstrt);
fs.off += fs.fmtptr - fs.fmtstrt;
break;
}
}
return (0);
}
NOINLINE void test_process_format()
{
int counter = 2;
char character = '!';
double value = 0.5;
auto print = [](auto x)
{
print_it(x);
};
process_format(print, "val = $value$, cnt = $counter$, ch = $character$, again v=$value$;\n", counter, character, value);
}
void process_table(table_input &in)
{
options *opt = 0;
format *form = 0;
table *tbl = 0;
if ((opt = process_options(in)) != 0
&& (form = process_format(in, opt)) != 0
&& (tbl = process_data(in, form, opt)) != 0) {
tbl->print();
delete tbl;
}
else {
error("giving up on this table");
while (in.get() != EOF)
;
}
delete opt;
delete form;
if (!in.ended())
error("premature end of file");
}
table *process_data(table_input &in, format *f, options *opt)
{
char tab_char = opt->tab_char;
int ncolumns = f->ncolumns;
int current_row = 0;
int format_index = 0;
int give_up = 0;
enum { DATA_INPUT_LINE, TROFF_INPUT_LINE, SINGLE_HLINE, DOUBLE_HLINE } type;
table *tbl = new table(ncolumns, opt->flags, opt->linesize,
opt->decimal_point_char);
if (opt->delim[0] != '\0')
tbl->set_delim(opt->delim[0], opt->delim[1]);
for (;;) {
// first determine what type of line this is
int c = in.get();
if (c == EOF)
break;
if (c == '.') {
int d = in.get();
if (d != EOF && csdigit(d)) {
in.unget(d);
type = DATA_INPUT_LINE;
}
else {
in.unget(d);
type = TROFF_INPUT_LINE;
}
}
else if (c == '_' || c == '=') {
int d = in.get();
if (d == '\n') {
if (c == '_')
type = SINGLE_HLINE;
else
type = DOUBLE_HLINE;
}
else {
in.unget(d);
type = DATA_INPUT_LINE;
}
}
else {
type = DATA_INPUT_LINE;
}
switch (type) {
case DATA_INPUT_LINE:
{
string input_entry;
if (format_index >= f->nrows)
format_index = f->nrows - 1;
// A format row that is all lines doesn't use up a data line.
while (format_index < f->nrows - 1) {
int cnt;
for (cnt = 0; cnt < ncolumns; cnt++) {
entry_format *e = f->entry[format_index] + cnt;
if (e->type != FORMAT_HLINE
&& e->type != FORMAT_DOUBLE_HLINE
// Unfortunately tbl treats a span as needing data.
// && e->type != FORMAT_SPAN
)
break;
}
if (cnt < ncolumns)
break;
for (cnt = 0; cnt < ncolumns; cnt++)
tbl->add_entry(current_row, cnt, input_entry,
f->entry[format_index] + cnt, current_filename,
current_lineno);
tbl->add_vlines(current_row, f->vline[format_index]);
format_index++;
current_row++;
}
entry_format *line_format = f->entry[format_index];
int col = 0;
int row_comment = 0;
for (;;) {
if (c == tab_char || c == '\n') {
int ln = current_lineno;
if (c == '\n')
--ln;
if ((opt->flags & table::NOSPACES))
input_entry.remove_spaces();
while (col < ncolumns
&& line_format[col].type == FORMAT_SPAN) {
tbl->add_entry(current_row, col, "", &line_format[col],
current_filename, ln);
col++;
}
if (c == '\n' && input_entry.length() == 2
&& input_entry[0] == 'T' && input_entry[1] == '{') {
input_entry = "";
ln++;
enum {
START, MIDDLE, GOT_T, GOT_RIGHT_BRACE, GOT_DOT,
GOT_l, GOT_lf, END
} state = START;
while (state != END) {
c = in.get();
if (c == EOF)
break;
switch (state) {
case START:
if (c == 'T')
state = GOT_T;
else if (c == '.')
state = GOT_DOT;
else {
input_entry += c;
if (c != '\n')
state = MIDDLE;
}
break;
case GOT_T:
if (c == '}')
state = GOT_RIGHT_BRACE;
else {
input_entry += 'T';
input_entry += c;
state = c == '\n' ? START : MIDDLE;
}
break;
case GOT_DOT:
if (c == 'l')
state = GOT_l;
else {
input_entry += '.';
input_entry += c;
state = c == '\n' ? START : MIDDLE;
}
break;
case GOT_l:
if (c == 'f')
state = GOT_lf;
else {
input_entry += ".l";
input_entry += c;
state = c == '\n' ? START : MIDDLE;
}
break;
case GOT_lf:
if (c == ' ' || c == '\n' || compatible_flag) {
string args;
input_entry += ".lf";
while (c != EOF) {
args += c;
if (c == '\n')
break;
c = in.get();
}
args += '\0';
interpret_lf_args(args.contents());
// remove the '\0'
args.set_length(args.length() - 1);
input_entry += args;
state = START;
}
else {
input_entry += ".lf";
input_entry += c;
state = MIDDLE;
}
break;
case GOT_RIGHT_BRACE:
if ((opt->flags & table::NOSPACES)) {
while (c == ' ')
c = in.get();
if (c == EOF)
break;
}
if (c == '\n' || c == tab_char)
state = END;
else {
input_entry += 'T';
input_entry += '}';
input_entry += c;
state = MIDDLE;
}
break;
case MIDDLE:
if (c == '\n')
state = START;
input_entry += c;
break;
case END:
default:
assert(0);
}
}
if (c == EOF) {
error("end of data in middle of text block");
give_up = 1;
break;
}
}
if (col >= ncolumns) {
if (!input_entry.empty()) {
if (input_entry.length() >= 2
&& input_entry[0] == '\\'
&& input_entry[1] == '"')
row_comment = 1;
else if (!row_comment) {
if (c == '\n')
in.unget(c);
input_entry += '\0';
error("excess data entry `%1' discarded",
input_entry.contents());
if (c == '\n')
(void)in.get();
}
}
}
else
tbl->add_entry(current_row, col, input_entry,
&line_format[col], current_filename, ln);
col++;
if (c == '\n')
break;
input_entry = "";
}
else
input_entry += c;
c = in.get();
if (c == EOF)
break;
}
if (give_up)
break;
input_entry = "";
for (; col < ncolumns; col++)
tbl->add_entry(current_row, col, input_entry, &line_format[col],
current_filename, current_lineno - 1);
tbl->add_vlines(current_row, f->vline[format_index]);
current_row++;
format_index++;
}
break;
case TROFF_INPUT_LINE:
{
string line;
int ln = current_lineno;
for (;;) {
line += c;
if (c == '\n')
break;
c = in.get();
if (c == EOF) {
break;
}
}
tbl->add_text_line(current_row, line, current_filename, ln);
if (line.length() >= 4
&& line[0] == '.' && line[1] == 'T' && line[2] == '&') {
format *newf = process_format(in, opt, f);
if (newf == 0)
give_up = 1;
else
f = newf;
}
if (line.length() >= 3
&& line[0] == '.' && line[1] == 'l' && line[2] == 'f') {
line += '\0';
interpret_lf_args(line.contents() + 3);
}
}
break;
case SINGLE_HLINE:
tbl->add_single_hline(current_row);
break;
case DOUBLE_HLINE:
tbl->add_double_hline(current_row);
break;
default:
assert(0);
}
if (give_up)
break;
}
if (!give_up && current_row == 0) {
error("no real data");
give_up = 1;
}
if (give_up) {
delete tbl;
return 0;
}
// Do this here rather than at the beginning in case continued formats
// change it.
int i;
for (i = 0; i < ncolumns - 1; i++)
if (f->separation[i] >= 0)
tbl->set_column_separation(i, f->separation[i]);
for (i = 0; i < ncolumns; i++)
if (!f->width[i].empty())
tbl->set_minimum_width(i, f->width[i]);
for (i = 0; i < ncolumns; i++)
if (f->equal[i])
tbl->set_equal_column(i);
return tbl;
}
