Re: Proposed patch - psql wraps at window width
| От | Bryce Nesbitt |
|---|---|
| Тема | Re: Proposed patch - psql wraps at window width |
| Дата | |
| Msg-id | 480848B1.5070402@obviously.com обсуждение исходный текст |
| Ответ на | Re: Proposed patch - psql wraps at window width (Bruce Momjian <bruce@momjian.us>) |
| Ответы |
Re: Proposed patch - psql wraps at window width
|
| Список | pgsql-patches |
Bruce Momjian wrote:
> I don't think you need to do that to get it applied --- there is nothing
> windows-specific in your code.
>
> Is this ready to be applied? Do you want to send a final update or are
> you still testing?
>
Looks good, but I suggest adding "give up if the header is too wide":
if (tcolumns > 0 && tcolumns >= total_header_width)
/*
* psql - the PostgreSQL interactive terminal
*
* Copyright (c) 2000-2008, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/print.c,v 1.97 2008/03/27 03:57:34 tgl Exp $
*/
#include "postgres_fe.h"
#include "print.h"
#include "catalog/pg_type.h"
#include <math.h>
#include <signal.h>
#include <unistd.h>
#ifndef WIN32
#include <sys/ioctl.h> /* for ioctl() */
#endif
#ifdef HAVE_TERMIOS_H
#include <termios.h>
#endif
#include <locale.h>
#include "pqsignal.h"
#include "mbprint.h"
/*
* We define the cancel_pressed flag in this file, rather than common.c where
* it naturally belongs, because this file is also used by non-psql programs
* (see the bin/scripts/ directory). In those programs cancel_pressed will
* never become set and will have no effect.
*
* Note: print.c's general strategy for when to check cancel_pressed is to do
* so at completion of each row of output.
*/
volatile bool cancel_pressed = false;
static char *decimal_point;
static char *grouping;
static char *thousands_sep;
#define COL_RATIO(col_num) \
((double) width_wrap[col_num] / width_average[col_num] + \
width_max[col_num] * 0.01) /* Penalize wide columns */
static void *
pg_local_malloc(size_t size)
{
void *tmp;
tmp = malloc(size);
if (!tmp)
{
fprintf(stderr, _("out of memory\n"));
exit(EXIT_FAILURE);
}
return tmp;
}
static void *
pg_local_calloc(int count, size_t size)
{
void *tmp;
tmp = calloc(count, size);
if (!tmp)
{
fprintf(stderr, _("out of memory\n"));
exit(EXIT_FAILURE);
}
return tmp;
}
static int
integer_digits(const char *my_str)
{
int frac_len;
if (my_str[0] == '-')
my_str++;
frac_len = strchr(my_str, '.') ? strlen(strchr(my_str, '.')) : 0;
return strlen(my_str) - frac_len;
}
/* Return additional length required for locale-aware numeric output */
static int
additional_numeric_locale_len(const char *my_str)
{
int int_len = integer_digits(my_str),
len = 0;
int groupdigits = atoi(grouping);
if (int_len > 0)
/* Don't count a leading separator */
len = (int_len / groupdigits - (int_len % groupdigits == 0)) *
strlen(thousands_sep);
if (strchr(my_str, '.') != NULL)
len += strlen(decimal_point) - strlen(".");
return len;
}
static int
strlen_with_numeric_locale(const char *my_str)
{
return strlen(my_str) + additional_numeric_locale_len(my_str);
}
/* Returns the appropriately formatted string in a new allocated block, caller must free */
static char *
format_numeric_locale(const char *my_str)
{
int i,
j,
int_len = integer_digits(my_str),
leading_digits;
int groupdigits = atoi(grouping);
int new_str_start = 0;
char *new_str = new_str = pg_local_malloc(
strlen_with_numeric_locale(my_str) + 1);
leading_digits = (int_len % groupdigits != 0) ?
int_len % groupdigits : groupdigits;
if (my_str[0] == '-') /* skip over sign, affects grouping
* calculations */
{
new_str[0] = my_str[0];
my_str++;
new_str_start = 1;
}
for (i = 0, j = new_str_start;; i++, j++)
{
/* Hit decimal point? */
if (my_str[i] == '.')
{
strcpy(&new_str[j], decimal_point);
j += strlen(decimal_point);
/* add fractional part */
strcpy(&new_str[j], &my_str[i] + 1);
break;
}
/* End of string? */
if (my_str[i] == '\0')
{
new_str[j] = '\0';
break;
}
/* Add separator? */
if (i != 0 && (i - leading_digits) % groupdigits == 0)
{
strcpy(&new_str[j], thousands_sep);
j += strlen(thousands_sep);
}
new_str[j] = my_str[i];
}
return new_str;
}
/*************************/
/* Unaligned text */
/*************************/
static void
print_unaligned_text(const char *title, const char *const * headers,
const char *const * cells, const char *const * footers,
const char *opt_align, const printTableOpt *opt,
FILE *fout)
{
const char *opt_fieldsep = opt->fieldSep;
const char *opt_recordsep = opt->recordSep;
bool opt_tuples_only = opt->tuples_only;
bool opt_numeric_locale = opt->numericLocale;
unsigned int col_count = 0;
unsigned int i;
const char *const * ptr;
bool need_recordsep = false;
if (cancel_pressed)
return;
if (!opt_fieldsep)
opt_fieldsep = "";
if (!opt_recordsep)
opt_recordsep = "";
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
if (opt->start_table)
{
/* print title */
if (!opt_tuples_only && title)
fprintf(fout, "%s%s", title, opt_recordsep);
/* print headers */
if (!opt_tuples_only)
{
for (ptr = headers; *ptr; ptr++)
{
if (ptr != headers)
fputs(opt_fieldsep, fout);
fputs(*ptr, fout);
}
need_recordsep = true;
}
}
else
/* assume continuing printout */
need_recordsep = true;
/* print cells */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
if (need_recordsep)
{
fputs(opt_recordsep, fout);
need_recordsep = false;
if (cancel_pressed)
break;
}
if (opt_align[i % col_count] == 'r' && opt_numeric_locale)
{
char *my_cell = format_numeric_locale(*ptr);
fputs(my_cell, fout);
free(my_cell);
}
else
fputs(*ptr, fout);
if ((i + 1) % col_count)
fputs(opt_fieldsep, fout);
else
need_recordsep = true;
}
/* print footers */
if (opt->stop_table)
{
if (!opt_tuples_only && footers && !cancel_pressed)
for (ptr = footers; *ptr; ptr++)
{
if (need_recordsep)
{
fputs(opt_recordsep, fout);
need_recordsep = false;
}
fputs(*ptr, fout);
need_recordsep = true;
}
/* the last record needs to be concluded with a newline */
if (need_recordsep)
fputc('\n', fout);
}
}
static void
print_unaligned_vertical(const char *title, const char *const * headers,
const char *const * cells,
const char *const * footers, const char *opt_align,
const printTableOpt *opt, FILE *fout)
{
const char *opt_fieldsep = opt->fieldSep;
const char *opt_recordsep = opt->recordSep;
bool opt_tuples_only = opt->tuples_only;
bool opt_numeric_locale = opt->numericLocale;
unsigned int col_count = 0;
unsigned int i;
const char *const * ptr;
bool need_recordsep = false;
if (cancel_pressed)
return;
if (!opt_fieldsep)
opt_fieldsep = "";
if (!opt_recordsep)
opt_recordsep = "";
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
if (opt->start_table)
{
/* print title */
if (!opt_tuples_only && title)
{
fputs(title, fout);
need_recordsep = true;
}
}
else
/* assume continuing printout */
need_recordsep = true;
/* print records */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
if (need_recordsep)
{
/* record separator is 2 occurrences of recordsep in this mode */
fputs(opt_recordsep, fout);
fputs(opt_recordsep, fout);
need_recordsep = false;
if (cancel_pressed)
break;
}
fputs(headers[i % col_count], fout);
fputs(opt_fieldsep, fout);
if (opt_align[i % col_count] == 'r' && opt_numeric_locale)
{
char *my_cell = format_numeric_locale(*ptr);
fputs(my_cell, fout);
free(my_cell);
}
else
fputs(*ptr, fout);
if ((i + 1) % col_count)
fputs(opt_recordsep, fout);
else
need_recordsep = true;
}
if (opt->stop_table)
{
/* print footers */
if (!opt_tuples_only && footers && *footers && !cancel_pressed)
{
fputs(opt_recordsep, fout);
for (ptr = footers; *ptr; ptr++)
{
fputs(opt_recordsep, fout);
fputs(*ptr, fout);
}
}
fputc('\n', fout);
}
}
/********************/
/* Aligned text */
/********************/
/* draw "line" */
static void
_print_horizontal_line(const unsigned int col_count, const unsigned int *widths, unsigned short border, FILE *fout)
{
unsigned int i,
j;
if (border == 1)
fputc('-', fout);
else if (border == 2)
fputs("+-", fout);
for (i = 0; i < col_count; i++)
{
for (j = 0; j < widths[i]; j++)
fputc('-', fout);
if (i < col_count - 1)
{
if (border == 0)
fputc(' ', fout);
else
fputs("-+-", fout);
}
}
if (border == 2)
fputs("-+", fout);
else if (border == 1)
fputc('-', fout);
fputc('\n', fout);
}
/*
* Prety pretty boxes around cells.
*/
static void
print_aligned_text(const char *title, const char *const * headers,
const char *const * cells, const char *const * footers,
const char *opt_align, const printTableOpt *opt,
FILE *fout)
{
bool opt_tuples_only = opt->tuples_only;
bool opt_numeric_locale = opt->numericLocale;
int encoding = opt->encoding;
unsigned short int opt_border = opt->border;
unsigned int col_count = 0, cell_count = 0;
unsigned int i,
j;
unsigned int *width_header,
*width_max,
*width_wrap,
*width_average;
unsigned int *heights,
*format_space;
unsigned char **format_buf;
unsigned int width_total;
unsigned int total_header_width;
const char *const * ptr;
struct lineptr **col_lineptrs; /* pointers to line pointer per column */
struct lineptr *lineptr_list; /* complete list of linepointers */
int *complete; /* Array remembering which columns have
* completed output */
int tcolumns = 0; /* Width of interactive console */
if (cancel_pressed)
return;
if (opt_border > 2)
opt_border = 2;
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
if (col_count > 0)
{
width_header = pg_local_calloc(col_count, sizeof(*width_header));
width_average = pg_local_calloc(col_count, sizeof(*width_average));
width_max = pg_local_calloc(col_count, sizeof(*width_max));
width_wrap = pg_local_calloc(col_count, sizeof(*width_wrap));
heights = pg_local_calloc(col_count, sizeof(*heights));
col_lineptrs = pg_local_calloc(col_count, sizeof(*col_lineptrs));
format_space = pg_local_calloc(col_count, sizeof(*format_space));
format_buf = pg_local_calloc(col_count, sizeof(*format_buf));
complete = pg_local_calloc(col_count, sizeof(*complete));
}
else
{
width_header = NULL;
width_average = NULL;
width_max = NULL;
width_wrap = NULL;
heights = NULL;
col_lineptrs = NULL;
format_space = NULL;
format_buf = NULL;
complete = NULL;
}
/* scan all column headers, find maximum width */
for (i = 0; i < col_count; i++)
{
/* Get width & height */
int width,
height,
space;
pg_wcssize((unsigned char *) headers[i], strlen(headers[i]), encoding, &width, &height, &space);
if (width > width_max[i])
width_max[i] = width;
if (height > heights[i])
heights[i] = height;
if (space > format_space[i])
format_space[i] = space;
width_header[i] = width;
}
/* scan all rows, find maximum width, compute cell_count */
for (i = 0, ptr = cells; *ptr; ptr++, i++, cell_count++)
{
int width,
height,
space;
/* Get width, ignore height */
pg_wcssize((unsigned char *) *ptr, strlen(*ptr), encoding, &width, &height, &space);
if (opt_numeric_locale && opt_align[i % col_count] == 'r')
{
width += additional_numeric_locale_len(*ptr);
space += additional_numeric_locale_len(*ptr);
}
if (width > width_max[i % col_count])
width_max[i % col_count] = width;
if (height > heights[i % col_count])
heights[i % col_count] = height;
if (space > format_space[i % col_count])
format_space[i % col_count] = space;
width_average[i % col_count] += width;
}
/* If we have rows, compute average */
if (col_count != 0 && cell_count != 0)
{
int rows = cell_count / col_count;
for (i = 0; i < col_count; i++)
width_average[i % col_count] /= rows;
}
/* adjust the total display width based on border style */
if (opt_border == 0)
width_total = col_count - 1;
else if (opt_border == 1)
width_total = col_count * 3 - 1;
else
width_total = col_count * 3 + 1;
total_header_width = width_total;
for (i = 0; i < col_count; i++) {
width_total += width_max[i];
total_header_width += width_header[i];
}
/*
* At this point: width_max[] contains the max width of each column,
* heights[] contains the max number of lines in each column,
* format_space[] contains the maximum storage space for formatting
* strings, width_total contains the giant width sum. Now we allocate
* some memory...
*/
if (col_count > 0)
{
int height_total = 0;
struct lineptr *lineptr;
for (i = 0; i < col_count; i++)
height_total += heights[i];
lineptr = lineptr_list = pg_local_calloc(height_total, sizeof(*lineptr_list));
for (i = 0; i < col_count; i++)
{
col_lineptrs[i] = lineptr;
lineptr += heights[i];
format_buf[i] = pg_local_malloc(format_space[i] + 1);
col_lineptrs[i]->ptr = format_buf[i];
}
}
else
lineptr_list = NULL;
/* Default word wrap to the full width, i.e. no word wrap */
for (i = 0; i < col_count; i++)
width_wrap[i] = width_max[i];
/*
* Optional optimized word wrap. Shrink columns with a high max/avg ratio.
* Slighly bias against wider columns (increases chance a narrow column
* will fit in its cell)
*/
if (opt->format == PRINT_WRAP)
{
/* If we can get the terminal width */
char *env = getenv("COLUMNS");
if (env != NULL)
tcolumns = atoi(env);
#ifdef TIOCGWINSZ
else
{
struct winsize screen_size;
if (ioctl(fileno(stdout), TIOCGWINSZ, &screen_size) != -1)
tcolumns = screen_size.ws_col;
}
#endif
/*
* If available columns is positive...
* and greater than the width of the unshrinkable column headers
*/
if (tcolumns > 0 && tcolumns >= total_header_width)
{
/* While there is still excess width... */
while (width_total > tcolumns)
{
double max_ratio = 0, prev_max_ratio = 0;
double curr_ratio = 0;
int worst_col = -1;
/*
* Find column that has the highest ratio of its maximum
* width compared to its average width. This tells us which
* column will produce the fewest wrapped values if shortened.
* width_wrap starts as equal to width_max.
*/
for (i = 0; i < col_count; i++)
if (width_average[i] && width_wrap[i] > width_header[i])
{
if (COL_RATIO(i) > max_ratio)
{
prev_max_ratio = max_ratio;
max_ratio = curr_ratio;
worst_col = i;
}
}
/* Exit loop if we can't squeeze any more. */
if (worst_col < 0)
break;
/* Squeeze the worst column. Lather, rinse, repeat */
do
{
width_wrap[worst_col]--;
width_total--;
} while (width_total > tcolumns && COL_RATIO(i) >= prev_max_ratio);
}
}
}
/* time to output */
if (opt->start_table)
{
/* print title */
if (title && !opt_tuples_only)
{
int width,
height;
pg_wcssize((unsigned char *) title, strlen(title), encoding, &width, &height, NULL);
if (width >= width_total)
fprintf(fout, "%s\n", title); /* Aligned */
else
fprintf(fout, "%-*s%s\n", (width_total - width) / 2, "", title); /* Centered */
}
/* print headers */
if (!opt_tuples_only)
{
int cols_todo;
int line_count;
if (opt_border == 2)
_print_horizontal_line(col_count, width_wrap, opt_border, fout);
for (i = 0; i < col_count; i++)
pg_wcsformat((unsigned char *) headers[i], strlen(headers[i]), encoding, col_lineptrs[i], heights[i]);
cols_todo = col_count;
line_count = 0;
memset(complete, 0, col_count * sizeof(int));
while (cols_todo)
{
if (opt_border == 2)
fprintf(fout, "|%c", line_count ? '+' : ' ');
else if (opt_border == 1)
fputc(line_count ? '+' : ' ', fout);
for (i = 0; i < col_count; i++)
{
unsigned int nbspace;
struct lineptr *this_line = col_lineptrs[i] + line_count;
if (!complete[i])
{
nbspace = width_wrap[i] - this_line->width;
/* centered */
fprintf(fout, "%-*s%s%-*s",
nbspace / 2, "", this_line->ptr, (nbspace + 1) / 2, "");
if (line_count == (heights[i] - 1) || !(this_line + 1)->ptr)
{
cols_todo--;
complete[i] = 1;
}
}
else
fprintf(fout, "%*s", width_wrap[i], "");
if (i < col_count - 1)
{
if (opt_border == 0)
fputc(line_count ? '+' : ' ', fout);
else
fprintf(fout, " |%c", line_count ? '+' : ' ');
}
}
line_count++;
if (opt_border == 2)
fputs(" |", fout);
else if (opt_border == 1)
fputc(' ', fout);;
fputc('\n', fout);
}
_print_horizontal_line(col_count, width_wrap, opt_border, fout);
}
}
/* print cells */
for (i = 0, ptr = cells; *ptr; i += col_count, ptr += col_count)
{
bool line_todo,
cols_todo;
int line_count;
if (cancel_pressed)
break;
/*
* Format each cell. Format again, it is a numeric formatting locale
* (e.g. 123,456 vs. 123456)
*/
for (j = 0; j < col_count; j++)
{
pg_wcsformat((unsigned char *) ptr[j], strlen(ptr[j]), encoding, col_lineptrs[j], heights[j]);
if (opt_numeric_locale && opt_align[j % col_count] == 'r')
{
char *my_cell;
my_cell = format_numeric_locale((char *) col_lineptrs[j]->ptr);
strcpy((char *) col_lineptrs[j]->ptr, my_cell); /* Buffer IS large
* enough... now */
free(my_cell);
}
}
/* Print rows to console */
memset(complete, 0, col_count * sizeof(int));
line_count = 0;
line_todo = true;
while (line_todo)
{
cols_todo = true;
while (cols_todo)
{
char border_cell = '*';
cols_todo = false;
/* left border */
if (opt_border == 2)
fputs("| ", fout);
else if (opt_border == 1)
fputc(' ', fout);
/* for each column */
for (j = 0; j < col_count; j++)
{
struct lineptr *this_line = &col_lineptrs[j][line_count];
if (heights[j] <= line_count) /* Blank column content */
{
fprintf(fout, "%*s", width_wrap[j], "");
border_cell = '|';
}
else if (opt_align[j] == 'r') /* Right aligned cell */
{
int strlen_remaining = strlen((char *) this_line->ptr + complete[j]);
if (strlen_remaining > width_wrap[j])
{
fprintf(fout, "%.*s", (int) width_wrap[j], this_line->ptr + complete[j]);
complete[j] += width_wrap[j]; /* We've done THIS much */
cols_todo = true; /* And there is more to do... */
border_cell = ':';
}
else
{
fprintf(fout, "%*s", width_wrap[j] - strlen_remaining, "");
fprintf(fout, "%-s", this_line->ptr + complete[j]);
complete[j] += strlen_remaining;
border_cell = '|';
}
}
else /* Left aligned cell */
{
int strlen_remaining = strlen((char *) this_line->ptr + complete[j]);
if (strlen_remaining > width_wrap[j])
{
fprintf(fout, "%.*s", (int) width_wrap[j], this_line->ptr + complete[j]);
complete[j] += width_wrap[j]; /* We've done THIS much */
cols_todo = true; /* And there is more to do... */
border_cell = ':';
}
else
{
fprintf(fout, "%-s", this_line->ptr + complete[j]);
fprintf(fout, "%*s", width_wrap[j] - strlen_remaining, "");
complete[j] += strlen_remaining;
border_cell = '|';
}
}
/* print a divider, middle of columns only */
if ((j + 1) % col_count)
{
if (opt_border == 0)
fputc(' ', fout);
else if (line_count == 0)
fprintf(fout, " %c ", border_cell);
else
fprintf(fout, " %c ", complete[j + 1] ? ' ' : ':');
}
}
/* end of row border */
if (opt_border == 2)
fprintf(fout, " %c", border_cell);
fputc('\n', fout);
}
/*
* Check if any columns have line continuations due to \n in the
* cell.
*/
line_count++;
line_todo = false;
for (j = 0; j < col_count; j++)
{
if (line_count < heights[j])
{
if (col_lineptrs[j][line_count].ptr)
{
line_todo = true;
complete[j] = 0;
}
}
}
}
}
if (opt->stop_table)
{
if (opt_border == 2 && !cancel_pressed)
_print_horizontal_line(col_count, width_wrap, opt_border, fout);
/* print footers */
if (footers && !opt_tuples_only && !cancel_pressed)
for (ptr = footers; *ptr; ptr++)
fprintf(fout, "%s\n", *ptr);
/*
* for some reason MinGW (and MSVC) outputs an extra newline, so this
* suppresses it
*/
#ifndef WIN32
fputc('\n', fout);
#endif
}
/* clean up */
free(width_header);
free(width_average);
free(width_max);
free(width_wrap);
free(heights);
free(col_lineptrs);
free(format_space);
free(complete);
free(lineptr_list);
for (i = 0; i < col_count; i++)
free(format_buf[i]);
free(format_buf);
}
static void
print_aligned_vertical(const char *title, const char *const * headers,
const char *const * cells, const char *const * footers,
const char *opt_align, const printTableOpt *opt,
FILE *fout)
{
bool opt_tuples_only = opt->tuples_only;
bool opt_numeric_locale = opt->numericLocale;
unsigned short int opt_border = opt->border;
int encoding = opt->encoding;
unsigned int col_count = 0;
unsigned long record = opt->prior_records + 1;
const char *const * ptr;
unsigned int i,
hwidth = 0,
dwidth = 0,
hheight = 1,
dheight = 1,
hformatsize = 0,
dformatsize = 0;
char *divider;
unsigned int cell_count = 0;
struct lineptr *hlineptr,
*dlineptr;
if (cancel_pressed)
return;
if (opt_border > 2)
opt_border = 2;
if (cells[0] == NULL && opt->start_table && opt->stop_table)
{
fprintf(fout, _("(No rows)\n"));
return;
}
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
/* Find the maximum dimensions for the headers */
for (i = 0; i < col_count; i++)
{
int width,
height,
fs;
pg_wcssize((unsigned char *) headers[i], strlen(headers[i]), encoding, &width, &height, &fs);
if (width > hwidth)
hwidth = width;
if (height > hheight)
hheight = height;
if (fs > hformatsize)
hformatsize = fs;
}
/* Count cells, find their lengths */
for (ptr = cells; *ptr; ptr++)
cell_count++;
/* find longest data cell */
for (i = 0, ptr = cells; *ptr; ptr++, i++)
{
int numeric_locale_len;
int width,
height,
fs;
if (opt_align[i % col_count] == 'r' && opt_numeric_locale)
numeric_locale_len = additional_numeric_locale_len(*ptr);
else
numeric_locale_len = 0;
pg_wcssize((unsigned char *) *ptr, strlen(*ptr), encoding, &width, &height, &fs);
width += numeric_locale_len;
if (width > dwidth)
dwidth = width;
if (height > dheight)
dheight = height;
if (fs > dformatsize)
dformatsize = fs;
}
/*
* We now have all the information we need to setup the formatting
* structures
*/
dlineptr = pg_local_malloc(sizeof(*dlineptr) * dheight);
hlineptr = pg_local_malloc(sizeof(*hlineptr) * hheight);
dlineptr->ptr = pg_local_malloc(dformatsize);
hlineptr->ptr = pg_local_malloc(hformatsize);
/* make horizontal border */
divider = pg_local_malloc(hwidth + dwidth + 10);
divider[0] = '\0';
if (opt_border == 2)
strcat(divider, "+-");
for (i = 0; i < hwidth; i++)
strcat(divider, opt_border > 0 ? "-" : " ");
if (opt_border > 0)
strcat(divider, "-+-");
else
strcat(divider, " ");
for (i = 0; i < dwidth; i++)
strcat(divider, opt_border > 0 ? "-" : " ");
if (opt_border == 2)
strcat(divider, "-+");
if (opt->start_table)
{
/* print title */
if (!opt_tuples_only && title)
fprintf(fout, "%s\n", title);
}
/* print records */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
int line_count,
dcomplete,
hcomplete;
if (i % col_count == 0)
{
if (cancel_pressed)
break;
if (!opt_tuples_only)
{
char record_str[64];
size_t record_str_len;
if (opt_border == 0)
snprintf(record_str, 64, "* Record %lu", record++);
else
snprintf(record_str, 64, "[ RECORD %lu ]", record++);
record_str_len = strlen(record_str);
if (record_str_len + opt_border > strlen(divider))
fprintf(fout, "%.*s%s\n", opt_border, divider, record_str);
else
{
char *div_copy = strdup(divider);
if (!div_copy)
{
fprintf(stderr, _("out of memory\n"));
exit(EXIT_FAILURE);
}
strncpy(div_copy + opt_border, record_str, record_str_len);
fprintf(fout, "%s\n", div_copy);
free(div_copy);
}
}
else if (i != 0 || !opt->start_table || opt_border == 2)
fprintf(fout, "%s\n", divider);
}
/* Format the header */
pg_wcsformat((unsigned char *) headers[i % col_count],
strlen(headers[i % col_count]), encoding, hlineptr, hheight);
/* Format the data */
pg_wcsformat((unsigned char *) *ptr, strlen(*ptr), encoding, dlineptr, dheight);
line_count = 0;
dcomplete = hcomplete = 0;
while (!dcomplete || !hcomplete)
{
if (opt_border == 2)
fputs("| ", fout);
if (!hcomplete)
{
fprintf(fout, "%-s%*s", hlineptr[line_count].ptr,
hwidth - hlineptr[line_count].width, "");
if (line_count == (hheight - 1) || !hlineptr[line_count + 1].ptr)
hcomplete = 1;
}
else
fprintf(fout, "%*s", hwidth, "");
if (opt_border > 0)
fprintf(fout, " %c ", (line_count == 0) ? '|' : ':');
else
fputs(" ", fout);
if (!dcomplete)
{
if (opt_align[i % col_count] == 'r' && opt_numeric_locale)
{
char *my_cell = format_numeric_locale((char *) dlineptr[line_count].ptr);
if (opt_border < 2)
fprintf(fout, "%s\n", my_cell);
else
fprintf(fout, "%-s%*s |\n", my_cell,
(int) (dwidth - strlen(my_cell)), "");
free(my_cell);
}
else
{
if (opt_border < 2)
fprintf(fout, "%s\n", dlineptr[line_count].ptr);
else
fprintf(fout, "%-s%*s |\n", dlineptr[line_count].ptr,
dwidth - dlineptr[line_count].width, "");
}
if (line_count == dheight - 1 || !dlineptr[line_count + 1].ptr)
dcomplete = 1;
}
else
{
if (opt_border < 2)
fputc('\n', fout);
else
fprintf(fout, "%*s |\n", dwidth, "");
}
line_count++;
}
}
if (opt->stop_table)
{
if (opt_border == 2 && !cancel_pressed)
fprintf(fout, "%s\n", divider);
/* print footers */
if (!opt_tuples_only && footers && *footers && !cancel_pressed)
{
if (opt_border < 2)
fputc('\n', fout);
for (ptr = footers; *ptr; ptr++)
fprintf(fout, "%s\n", *ptr);
}
fputc('\n', fout);
}
free(divider);
free(hlineptr->ptr);
free(dlineptr->ptr);
free(hlineptr);
free(dlineptr);
}
/**********************/
/* HTML printing ******/
/**********************/
void
html_escaped_print(const char *in, FILE *fout)
{
const char *p;
bool leading_space = true;
for (p = in; *p; p++)
{
switch (*p)
{
case '&':
fputs("&", fout);
break;
case '<':
fputs("<", fout);
break;
case '>':
fputs(">", fout);
break;
case '\n':
fputs("<br />\n", fout);
break;
case '"':
fputs(""", fout);
break;
case ' ':
/* protect leading space, for EXPLAIN output */
if (leading_space)
fputs(" ", fout);
else
fputs(" ", fout);
break;
default:
fputc(*p, fout);
}
if (*p != ' ')
leading_space = false;
}
}
static void
print_html_text(const char *title, const char *const * headers,
const char *const * cells, const char *const * footers,
const char *opt_align, const printTableOpt *opt,
FILE *fout)
{
bool opt_tuples_only = opt->tuples_only;
bool opt_numeric_locale = opt->numericLocale;
unsigned short int opt_border = opt->border;
const char *opt_table_attr = opt->tableAttr;
unsigned int col_count = 0;
unsigned int i;
const char *const * ptr;
if (cancel_pressed)
return;
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
if (opt->start_table)
{
fprintf(fout, "<table border=\"%d\"", opt_border);
if (opt_table_attr)
fprintf(fout, " %s", opt_table_attr);
fputs(">\n", fout);
/* print title */
if (!opt_tuples_only && title)
{
fputs(" <caption>", fout);
html_escaped_print(title, fout);
fputs("</caption>\n", fout);
}
/* print headers */
if (!opt_tuples_only)
{
fputs(" <tr>\n", fout);
for (ptr = headers; *ptr; ptr++)
{
fputs(" <th align=\"center\">", fout);
html_escaped_print(*ptr, fout);
fputs("</th>\n", fout);
}
fputs(" </tr>\n", fout);
}
}
/* print cells */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
if (i % col_count == 0)
{
if (cancel_pressed)
break;
fputs(" <tr valign=\"top\">\n", fout);
}
fprintf(fout, " <td align=\"%s\">", opt_align[(i) % col_count] == 'r' ? "right" : "left");
/* is string only whitespace? */
if ((*ptr)[strspn(*ptr, " \t")] == '\0')
fputs(" ", fout);
else if (opt_align[i % col_count] == 'r' && opt_numeric_locale)
{
char *my_cell = format_numeric_locale(*ptr);
html_escaped_print(my_cell, fout);
free(my_cell);
}
else
html_escaped_print(*ptr, fout);
fputs("</td>\n", fout);
if ((i + 1) % col_count == 0)
fputs(" </tr>\n", fout);
}
if (opt->stop_table)
{
fputs("</table>\n", fout);
/* print footers */
if (!opt_tuples_only && footers && *footers && !cancel_pressed)
{
fputs("<p>", fout);
for (ptr = footers; *ptr; ptr++)
{
html_escaped_print(*ptr, fout);
fputs("<br />\n", fout);
}
fputs("</p>", fout);
}
fputc('\n', fout);
}
}
static void
print_html_vertical(const char *title, const char *const * headers,
const char *const * cells, const char *const * footers,
const char *opt_align, const printTableOpt *opt,
FILE *fout)
{
bool opt_tuples_only = opt->tuples_only;
bool opt_numeric_locale = opt->numericLocale;
unsigned short int opt_border = opt->border;
const char *opt_table_attr = opt->tableAttr;
unsigned int col_count = 0;
unsigned long record = opt->prior_records + 1;
unsigned int i;
const char *const * ptr;
if (cancel_pressed)
return;
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
if (opt->start_table)
{
fprintf(fout, "<table border=\"%d\"", opt_border);
if (opt_table_attr)
fprintf(fout, " %s", opt_table_attr);
fputs(">\n", fout);
/* print title */
if (!opt_tuples_only && title)
{
fputs(" <caption>", fout);
html_escaped_print(title, fout);
fputs("</caption>\n", fout);
}
}
/* print records */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
if (i % col_count == 0)
{
if (cancel_pressed)
break;
if (!opt_tuples_only)
fprintf(fout,
"\n <tr><td colspan=\"2\" align=\"center\">Record %lu</td></tr>\n",
record++);
else
fputs("\n <tr><td colspan=\"2\"> </td></tr>\n", fout);
}
fputs(" <tr valign=\"top\">\n"
" <th>", fout);
html_escaped_print(headers[i % col_count], fout);
fputs("</th>\n", fout);
fprintf(fout, " <td align=\"%s\">", opt_align[i % col_count] == 'r' ? "right" : "left");
/* is string only whitespace? */
if ((*ptr)[strspn(*ptr, " \t")] == '\0')
fputs(" ", fout);
else if (opt_align[i % col_count] == 'r' && opt_numeric_locale)
{
char *my_cell = format_numeric_locale(*ptr);
html_escaped_print(my_cell, fout);
free(my_cell);
}
else
html_escaped_print(*ptr, fout);
fputs("</td>\n </tr>\n", fout);
}
if (opt->stop_table)
{
fputs("</table>\n", fout);
/* print footers */
if (!opt_tuples_only && footers && *footers && !cancel_pressed)
{
fputs("<p>", fout);
for (ptr = footers; *ptr; ptr++)
{
html_escaped_print(*ptr, fout);
fputs("<br />\n", fout);
}
fputs("</p>", fout);
}
fputc('\n', fout);
}
}
/*************************/
/* LaTeX */
/*************************/
static void
latex_escaped_print(const char *in, FILE *fout)
{
const char *p;
for (p = in; *p; p++)
switch (*p)
{
case '&':
fputs("\\&", fout);
break;
case '%':
fputs("\\%", fout);
break;
case '$':
fputs("\\$", fout);
break;
case '_':
fputs("\\_", fout);
break;
case '{':
fputs("\\{", fout);
break;
case '}':
fputs("\\}", fout);
break;
case '\\':
fputs("\\backslash", fout);
break;
case '\n':
fputs("\\\\", fout);
break;
default:
fputc(*p, fout);
}
}
static void
print_latex_text(const char *title, const char *const * headers,
const char *const * cells, const char *const * footers,
const char *opt_align, const printTableOpt *opt,
FILE *fout)
{
bool opt_tuples_only = opt->tuples_only;
bool opt_numeric_locale = opt->numericLocale;
unsigned short int opt_border = opt->border;
unsigned int col_count = 0;
unsigned int i;
const char *const * ptr;
if (cancel_pressed)
return;
if (opt_border > 2)
opt_border = 2;
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
if (opt->start_table)
{
/* print title */
if (!opt_tuples_only && title)
{
fputs("\\begin{center}\n", fout);
latex_escaped_print(title, fout);
fputs("\n\\end{center}\n\n", fout);
}
/* begin environment and set alignments and borders */
fputs("\\begin{tabular}{", fout);
if (opt_border == 2)
fputs("| ", fout);
for (i = 0; i < col_count; i++)
{
fputc(*(opt_align + i), fout);
if (opt_border != 0 && i < col_count - 1)
fputs(" | ", fout);
}
if (opt_border == 2)
fputs(" |", fout);
fputs("}\n", fout);
if (!opt_tuples_only && opt_border == 2)
fputs("\\hline\n", fout);
/* print headers */
if (!opt_tuples_only)
{
for (i = 0, ptr = headers; i < col_count; i++, ptr++)
{
if (i != 0)
fputs(" & ", fout);
fputs("\\textit{", fout);
latex_escaped_print(*ptr, fout);
fputc('}', fout);
}
fputs(" \\\\\n", fout);
fputs("\\hline\n", fout);
}
}
/* print cells */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
if (opt_numeric_locale)
{
char *my_cell = format_numeric_locale(*ptr);
latex_escaped_print(my_cell, fout);
free(my_cell);
}
else
latex_escaped_print(*ptr, fout);
if ((i + 1) % col_count == 0)
{
fputs(" \\\\\n", fout);
if (cancel_pressed)
break;
}
else
fputs(" & ", fout);
}
if (opt->stop_table)
{
if (opt_border == 2)
fputs("\\hline\n", fout);
fputs("\\end{tabular}\n\n\\noindent ", fout);
/* print footers */
if (footers && !opt_tuples_only && !cancel_pressed)
{
for (ptr = footers; *ptr; ptr++)
{
latex_escaped_print(*ptr, fout);
fputs(" \\\\\n", fout);
}
}
fputc('\n', fout);
}
}
static void
print_latex_vertical(const char *title, const char *const * headers,
const char *const * cells, const char *const * footers,
const char *opt_align, const printTableOpt *opt,
FILE *fout)
{
bool opt_tuples_only = opt->tuples_only;
bool opt_numeric_locale = opt->numericLocale;
unsigned short int opt_border = opt->border;
unsigned int col_count = 0;
unsigned long record = opt->prior_records + 1;
unsigned int i;
const char *const * ptr;
(void) opt_align; /* currently unused parameter */
if (cancel_pressed)
return;
if (opt_border > 2)
opt_border = 2;
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
if (opt->start_table)
{
/* print title */
if (!opt_tuples_only && title)
{
fputs("\\begin{center}\n", fout);
latex_escaped_print(title, fout);
fputs("\n\\end{center}\n\n", fout);
}
/* begin environment and set alignments and borders */
fputs("\\begin{tabular}{", fout);
if (opt_border == 0)
fputs("cl", fout);
else if (opt_border == 1)
fputs("c|l", fout);
else if (opt_border == 2)
fputs("|c|l|", fout);
fputs("}\n", fout);
}
/* print records */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
/* new record */
if (i % col_count == 0)
{
if (cancel_pressed)
break;
if (!opt_tuples_only)
{
if (opt_border == 2)
{
fputs("\\hline\n", fout);
fprintf(fout, "\\multicolumn{2}{|c|}{\\textit{Record %lu}} \\\\\n", record++);
}
else
fprintf(fout, "\\multicolumn{2}{c}{\\textit{Record %lu}} \\\\\n", record++);
}
if (opt_border >= 1)
fputs("\\hline\n", fout);
}
latex_escaped_print(headers[i % col_count], fout);
fputs(" & ", fout);
latex_escaped_print(*ptr, fout);
fputs(" \\\\\n", fout);
}
if (opt->stop_table)
{
if (opt_border == 2)
fputs("\\hline\n", fout);
fputs("\\end{tabular}\n\n\\noindent ", fout);
/* print footers */
if (footers && !opt_tuples_only && !cancel_pressed)
{
for (ptr = footers; *ptr; ptr++)
{
if (opt_numeric_locale)
{
char *my_cell = format_numeric_locale(*ptr);
latex_escaped_print(my_cell, fout);
free(my_cell);
}
else
latex_escaped_print(*ptr, fout);
fputs(" \\\\\n", fout);
}
}
fputc('\n', fout);
}
}
/*************************/
/* Troff -ms */
/*************************/
static void
troff_ms_escaped_print(const char *in, FILE *fout)
{
const char *p;
for (p = in; *p; p++)
switch (*p)
{
case '\\':
fputs("\\(rs", fout);
break;
default:
fputc(*p, fout);
}
}
static void
print_troff_ms_text(const char *title, const char *const * headers,
const char *const * cells, const char *const * footers,
const char *opt_align, const printTableOpt *opt,
FILE *fout)
{
bool opt_tuples_only = opt->tuples_only;
bool opt_numeric_locale = opt->numericLocale;
unsigned short int opt_border = opt->border;
unsigned int col_count = 0;
unsigned int i;
const char *const * ptr;
if (cancel_pressed)
return;
if (opt_border > 2)
opt_border = 2;
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
if (opt->start_table)
{
/* print title */
if (!opt_tuples_only && title)
{
fputs(".LP\n.DS C\n", fout);
troff_ms_escaped_print(title, fout);
fputs("\n.DE\n", fout);
}
/* begin environment and set alignments and borders */
fputs(".LP\n.TS\n", fout);
if (opt_border == 2)
fputs("center box;\n", fout);
else
fputs("center;\n", fout);
for (i = 0; i < col_count; i++)
{
fputc(*(opt_align + i), fout);
if (opt_border > 0 && i < col_count - 1)
fputs(" | ", fout);
}
fputs(".\n", fout);
/* print headers */
if (!opt_tuples_only)
{
for (i = 0, ptr = headers; i < col_count; i++, ptr++)
{
if (i != 0)
fputc('\t', fout);
fputs("\\fI", fout);
troff_ms_escaped_print(*ptr, fout);
fputs("\\fP", fout);
}
fputs("\n_\n", fout);
}
}
/* print cells */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
if (opt_numeric_locale)
{
char *my_cell = format_numeric_locale(*ptr);
troff_ms_escaped_print(my_cell, fout);
free(my_cell);
}
else
troff_ms_escaped_print(*ptr, fout);
if ((i + 1) % col_count == 0)
{
fputc('\n', fout);
if (cancel_pressed)
break;
}
else
fputc('\t', fout);
}
if (opt->stop_table)
{
fputs(".TE\n.DS L\n", fout);
/* print footers */
if (footers && !opt_tuples_only && !cancel_pressed)
for (ptr = footers; *ptr; ptr++)
{
troff_ms_escaped_print(*ptr, fout);
fputc('\n', fout);
}
fputs(".DE\n", fout);
}
}
static void
print_troff_ms_vertical(const char *title, const char *const * headers,
const char *const * cells, const char *const * footers,
const char *opt_align, const printTableOpt *opt,
FILE *fout)
{
bool opt_tuples_only = opt->tuples_only;
bool opt_numeric_locale = opt->numericLocale;
unsigned short int opt_border = opt->border;
unsigned int col_count = 0;
unsigned long record = opt->prior_records + 1;
unsigned int i;
const char *const * ptr;
unsigned short current_format = 0; /* 0=none, 1=header, 2=body */
(void) opt_align; /* currently unused parameter */
if (cancel_pressed)
return;
if (opt_border > 2)
opt_border = 2;
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
if (opt->start_table)
{
/* print title */
if (!opt_tuples_only && title)
{
fputs(".LP\n.DS C\n", fout);
troff_ms_escaped_print(title, fout);
fputs("\n.DE\n", fout);
}
/* begin environment and set alignments and borders */
fputs(".LP\n.TS\n", fout);
if (opt_border == 2)
fputs("center box;\n", fout);
else
fputs("center;\n", fout);
/* basic format */
if (opt_tuples_only)
fputs("c l;\n", fout);
}
else
current_format = 2; /* assume tuples printed already */
/* print records */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
/* new record */
if (i % col_count == 0)
{
if (cancel_pressed)
break;
if (!opt_tuples_only)
{
if (current_format != 1)
{
if (opt_border == 2 && record > 1)
fputs("_\n", fout);
if (current_format != 0)
fputs(".T&\n", fout);
fputs("c s.\n", fout);
current_format = 1;
}
fprintf(fout, "\\fIRecord %lu\\fP\n", record++);
}
if (opt_border >= 1)
fputs("_\n", fout);
}
if (!opt_tuples_only)
{
if (current_format != 2)
{
if (current_format != 0)
fputs(".T&\n", fout);
if (opt_border != 1)
fputs("c l.\n", fout);
else
fputs("c | l.\n", fout);
current_format = 2;
}
}
troff_ms_escaped_print(headers[i % col_count], fout);
fputc('\t', fout);
if (opt_numeric_locale)
{
char *my_cell = format_numeric_locale(*ptr);
troff_ms_escaped_print(my_cell, fout);
free(my_cell);
}
else
troff_ms_escaped_print(*ptr, fout);
fputc('\n', fout);
}
if (opt->stop_table)
{
fputs(".TE\n.DS L\n", fout);
/* print footers */
if (footers && !opt_tuples_only && !cancel_pressed)
for (ptr = footers; *ptr; ptr++)
{
troff_ms_escaped_print(*ptr, fout);
fputc('\n', fout);
}
fputs(".DE\n", fout);
}
}
/********************************/
/* Public functions */
/********************************/
/*
* PageOutput
*
* Tests if pager is needed and returns appropriate FILE pointer.
*/
FILE *
PageOutput(int lines, unsigned short int pager)
{
/* check whether we need / can / are supposed to use pager */
if (pager
#ifndef WIN32
&&
isatty(fileno(stdin)) &&
isatty(fileno(stdout))
#endif
)
{
const char *pagerprog;
FILE *pagerpipe;
#ifdef TIOCGWINSZ
int result;
struct winsize screen_size;
result = ioctl(fileno(stdout), TIOCGWINSZ, &screen_size);
/* >= accounts for a one-line prompt */
if (result == -1 || lines >= screen_size.ws_row || pager > 1)
{
#endif
pagerprog = getenv("PAGER");
if (!pagerprog)
pagerprog = DEFAULT_PAGER;
#ifndef WIN32
pqsignal(SIGPIPE, SIG_IGN);
#endif
pagerpipe = popen(pagerprog, "w");
if (pagerpipe)
return pagerpipe;
#ifdef TIOCGWINSZ
}
#endif
}
return stdout;
}
/*
* ClosePager
*
* Close previously opened pager pipe, if any
*/
void
ClosePager(FILE *pagerpipe)
{
if (pagerpipe && pagerpipe != stdout)
{
/*
* If printing was canceled midstream, warn about it.
*
* Some pagers like less use Ctrl-C as part of their command set. Even
* so, we abort our processing and warn the user what we did. If the
* pager quit as a result of the SIGINT, this message won't go
* anywhere ...
*/
if (cancel_pressed)
fprintf(pagerpipe, _("Interrupted\n"));
pclose(pagerpipe);
#ifndef WIN32
pqsignal(SIGPIPE, SIG_DFL);
#endif
}
}
void
printTable(const char *title,
const char *const * headers,
const char *const * cells,
const char *const * footers,
const char *align,
const printTableOpt *opt, FILE *fout, FILE *flog)
{
static const char *default_footer[] = {NULL};
FILE *output;
if (cancel_pressed)
return;
if (opt->format == PRINT_NOTHING)
return;
if (!footers)
footers = default_footer;
if (fout == stdout)
{
int col_count = 0,
row_count = 0,
lines;
const char *const * ptr;
/* rough estimate of columns and rows */
if (headers)
for (ptr = headers; *ptr; ptr++)
col_count++;
if (cells)
for (ptr = cells; *ptr; ptr++)
row_count++;
if (col_count > 0)
row_count /= col_count;
if (opt->expanded)
lines = (col_count + 1) * row_count;
else
lines = row_count + 1;
if (footers && !opt->tuples_only)
for (ptr = footers; *ptr; ptr++)
lines++;
output = PageOutput(lines, opt->pager);
}
else
output = fout;
/* print the stuff */
if (flog)
print_aligned_text(title, headers, cells, footers, align,
opt, flog);
switch (opt->format)
{
case PRINT_UNALIGNED:
if (opt->expanded)
print_unaligned_vertical(title, headers, cells, footers, align,
opt, output);
else
print_unaligned_text(title, headers, cells, footers, align,
opt, output);
break;
case PRINT_ALIGNED:
case PRINT_WRAP:
if (opt->expanded)
print_aligned_vertical(title, headers, cells, footers, align,
opt, output);
else
print_aligned_text(title, headers, cells, footers, align,
opt, output);
break;
case PRINT_HTML:
if (opt->expanded)
print_html_vertical(title, headers, cells, footers, align,
opt, output);
else
print_html_text(title, headers, cells, footers, align,
opt, output);
break;
case PRINT_LATEX:
if (opt->expanded)
print_latex_vertical(title, headers, cells, footers, align,
opt, output);
else
print_latex_text(title, headers, cells, footers, align,
opt, output);
break;
case PRINT_TROFF_MS:
if (opt->expanded)
print_troff_ms_vertical(title, headers, cells, footers, align,
opt, output);
else
print_troff_ms_text(title, headers, cells, footers, align,
opt, output);
break;
default:
fprintf(stderr, _("invalid output format (internal error): %d"), opt->format);
exit(EXIT_FAILURE);
}
/* Only close if we used the pager */
if (output != fout)
ClosePager(output);
}
void
printQuery(const PGresult *result, const printQueryOpt *opt, FILE *fout, FILE *flog)
{
int ntuples;
int nfields;
int ncells;
const char **headers;
const char **cells;
char **footers;
char *align;
int i,
r,
c;
if (cancel_pressed)
return;
/* extract headers */
ntuples = PQntuples(result);
nfields = PQnfields(result);
headers = pg_local_calloc(nfields + 1, sizeof(*headers));
for (i = 0; i < nfields; i++)
{
headers[i] = (char *) mbvalidate((unsigned char *) PQfname(result, i),
opt->topt.encoding);
#ifdef ENABLE_NLS
if (opt->trans_headers)
headers[i] = _(headers[i]);
#endif
}
/* set cells */
ncells = ntuples * nfields;
cells = pg_local_calloc(ncells + 1, sizeof(*cells));
i = 0;
for (r = 0; r < ntuples; r++)
{
for (c = 0; c < nfields; c++)
{
if (PQgetisnull(result, r, c))
cells[i] = opt->nullPrint ? opt->nullPrint : "";
else
{
cells[i] = (char *)
mbvalidate((unsigned char *) PQgetvalue(result, r, c),
opt->topt.encoding);
#ifdef ENABLE_NLS
if (opt->trans_columns && opt->trans_columns[c])
cells[i] = _(cells[i]);
#endif
}
i++;
}
}
/* set footers */
if (opt->footers)
footers = opt->footers;
else if (!opt->topt.expanded && opt->default_footer)
{
unsigned long total_records;
footers = pg_local_calloc(2, sizeof(*footers));
footers[0] = pg_local_malloc(100);
total_records = opt->topt.prior_records + ntuples;
if (total_records == 1)
snprintf(footers[0], 100, _("(1 row)"));
else
snprintf(footers[0], 100, _("(%lu rows)"), total_records);
}
else
footers = NULL;
/* set alignment */
align = pg_local_calloc(nfields + 1, sizeof(*align));
for (i = 0; i < nfields; i++)
{
Oid ftype = PQftype(result, i);
switch (ftype)
{
case INT2OID:
case INT4OID:
case INT8OID:
case FLOAT4OID:
case FLOAT8OID:
case NUMERICOID:
case OIDOID:
case XIDOID:
case CIDOID:
case CASHOID:
align[i] = 'r';
break;
default:
align[i] = 'l';
break;
}
}
/* call table printer */
printTable(opt->title, headers, cells,
(const char *const *) footers,
align, &opt->topt, fout, flog);
free(headers);
free(cells);
if (footers && !opt->footers)
{
free(footers[0]);
free(footers);
}
free(align);
}
void
setDecimalLocale(void)
{
struct lconv *extlconv;
extlconv = localeconv();
if (*extlconv->decimal_point)
decimal_point = strdup(extlconv->decimal_point);
else
decimal_point = "."; /* SQL output standard */
if (*extlconv->grouping && atoi(extlconv->grouping) > 0)
grouping = strdup(extlconv->grouping);
else
grouping = "3"; /* most common */
/* similar code exists in formatting.c */
if (*extlconv->thousands_sep)
thousands_sep = strdup(extlconv->thousands_sep);
/* Make sure thousands separator doesn't match decimal point symbol. */
else if (strcmp(decimal_point, ",") != 0)
thousands_sep = ",";
else
thousands_sep = ".";
}
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