postgresql/src/bin/psql/print.c
2006-02-10 15:48:05 +00:00

1846 lines
39 KiB
C

/*
* psql - the PostgreSQL interactive terminal
*
* Copyright (c) 2000-2005, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/print.c,v 1.81 2006/02/10 15:48:05 momjian Exp $
*/
#include "postgres_fe.h"
#include "common.h"
#include "print.h"
#include <math.h>
#include <signal.h>
#ifndef WIN32_CLIENT_ONLY
#include <unistd.h>
#endif
#ifndef WIN32
#include <sys/ioctl.h> /* for ioctl() */
#endif
#ifdef HAVE_TERMIOS_H
#include <termios.h>
#endif
#include <locale.h>
#include "pqsignal.h"
#include "libpq-fe.h"
#include "mbprint.h"
static char *decimal_point;
static char *grouping;
static char *thousands_sep;
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 char *opt_fieldsep,
const char *opt_recordsep, bool opt_tuples_only,
bool opt_numeric_locale, FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
const char *const * ptr;
bool need_recordsep = false;
if (!opt_fieldsep)
opt_fieldsep = "";
if (!opt_recordsep)
opt_recordsep = "";
/* print title */
if (!opt_tuples_only && title)
fprintf(fout, "%s%s", title, opt_recordsep);
/* print headers and count columns */
for (ptr = headers; *ptr; ptr++)
{
col_count++;
if (!opt_tuples_only)
{
if (col_count > 1)
fputs(opt_fieldsep, fout);
fputs(*ptr, fout);
}
}
if (!opt_tuples_only)
need_recordsep = true;
/* print cells */
i = 0;
for (ptr = cells; *ptr; ptr++)
{
if (need_recordsep)
{
fputs(opt_recordsep, fout);
need_recordsep = false;
}
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;
i++;
}
/* print footers */
if (!opt_tuples_only && footers)
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 char *opt_fieldsep, const char *opt_recordsep,
bool opt_tuples_only, bool opt_numeric_locale, FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
const char *const * ptr;
if (!opt_fieldsep)
opt_fieldsep = "";
if (!opt_recordsep)
opt_recordsep = "";
/* print title */
if (!opt_tuples_only && title)
fputs(title, fout);
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
/* print records */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
if (i != 0 || (!opt_tuples_only && title))
{
fputs(opt_recordsep, fout);
if (i % col_count == 0)
fputs(opt_recordsep, fout); /* another one */
}
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);
}
/* print footers */
if (!opt_tuples_only && footers && *footers)
{
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);
}
static void
print_aligned_text(const char *title, const char *const * headers,
const char *const * cells, const char *const * footers,
const char *opt_align, bool opt_tuples_only, bool opt_numeric_locale,
unsigned short int opt_border, int encoding,
FILE *fout)
{
unsigned int col_count = 0;
unsigned int cell_count = 0;
unsigned int i,
tmp;
unsigned int *widths,
total_w;
unsigned int *heights;
unsigned int *format_space;
unsigned char **format_buf;
const char *const *ptr;
struct lineptr **col_lineptrs; /* pointers to line pointer for each column */
struct lineptr *lineptr_list; /* complete list of linepointers */
int *complete; /* Array remembering which columns have completed output */
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
if (col_count > 0)
{
widths = pg_local_calloc(col_count, sizeof(*widths));
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
{
widths = NULL;
heights = NULL;
col_lineptrs = NULL;
format_space = NULL;
format_buf = NULL;
complete = NULL;
}
/* count cells (rows * cols) */
for (ptr = cells; *ptr; ptr++)
cell_count++;
/* calc column widths */
for (i = 0; i < col_count; i++)
{
/* Get width & height */
int height, space;
pg_wcssize((unsigned char *) headers[i], strlen(headers[i]), encoding, &tmp, &height, &space);
if (tmp > widths[i])
widths[i] = tmp;
if (height > heights[i])
heights[i] = height;
if (space > format_space[i])
format_space[i] = space;
}
for (i = 0, ptr = cells; *ptr; ptr++, i++)
{
int numeric_locale_len;
int height, space;
if (opt_align[i % col_count] == 'r' && opt_numeric_locale)
numeric_locale_len = additional_numeric_locale_len(*ptr);
else
numeric_locale_len = 0;
/* Get width, ignore height */
pg_wcssize((unsigned char *) *ptr, strlen(*ptr), encoding, &tmp, &height, &space);
tmp += numeric_locale_len;
if (tmp > widths[i % col_count])
widths[i % col_count] = tmp;
if (height > heights[i % col_count])
heights[i % col_count] = height;
if (space > format_space[i % col_count])
format_space[i % col_count] = space;
}
if (opt_border == 0)
total_w = col_count - 1;
else if (opt_border == 1)
total_w = col_count * 3 - 1;
else
total_w = col_count * 3 + 1;
for (i = 0; i < col_count; i++)
total_w += widths[i];
/* At this point:
* widths contains the max width of each column
* heights contains the max height of a cell of each column
* format_space contains maximum space required to store formatted string
* so we prepare the formatting structures
*/
if (col_count > 0)
{
int heights_total = 0;
struct lineptr *lineptr;
for (i = 0; i < col_count; i++)
heights_total += heights[i];
lineptr = lineptr_list = pg_local_calloc(heights_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]);
col_lineptrs[i]->ptr = format_buf[i];
}
}
else
lineptr_list = NULL;
/* print title */
if (title && !opt_tuples_only)
{
/* Get width & height */
int height;
pg_wcssize((unsigned char *)title, strlen(title), encoding, &tmp, &height, NULL);
if (tmp >= total_w)
fprintf(fout, "%s\n", title);
else
fprintf(fout, "%-*s%s\n", (total_w - tmp) / 2, "", title);
}
/* print headers */
if (!opt_tuples_only)
{
int cols_todo;
int line_count;
if (opt_border == 2)
_print_horizontal_line(col_count, widths, 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 = widths[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", widths[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, widths, opt_border, fout);
}
/* print cells */
for (i = 0, ptr = cells; *ptr; i+=col_count, ptr+=col_count)
{
int j;
int cols_todo = col_count;
int line_count; /* Number of lines output so far in row */
for (j = 0; j < col_count; j++)
pg_wcsformat((unsigned char*)ptr[j], strlen(ptr[j]), encoding, col_lineptrs[j], heights[j]);
line_count = 0;
memset(complete, 0, col_count*sizeof(int));
while (cols_todo)
{
/* beginning of line */
if (opt_border == 2)
fputs("| ", fout);
else if (opt_border == 1)
fputc(' ', fout);
for (j = 0; j < col_count; j++)
{
struct lineptr *this_line = col_lineptrs[j] + line_count;
if (complete[j]) /* Just print spaces... */
fprintf(fout, "%*s", widths[j], "");
else
{
/* content */
if (opt_align[j] == 'r')
{
if (opt_numeric_locale)
{
/* Assumption: This code used only on strings
* without multibyte characters, otherwise
* this_line->width < strlen(this_ptr) and we
* get an overflow */
char *my_cell = format_numeric_locale(this_line->ptr);
fprintf(fout, "%*s%s", widths[i % col_count] - strlen(my_cell), "", my_cell);
free(my_cell);
}
else
fprintf(fout, "%*s%s", widths[j] - this_line->width, "", this_line->ptr);
}
else
fprintf(fout, "%-s%*s", this_line->ptr,
widths[j] - this_line->width, "");
/* If at the right height, done this col */
if (line_count == heights[j]-1 || !this_line[1].ptr)
{
complete[j] = 1;
cols_todo--;
}
}
/* divider */
if ((j + 1) % col_count)
{
if (opt_border == 0)
fputc(' ', fout);
else if (line_count == 0)
fputs(" | ", fout);
else
fprintf(fout, " %c ", complete[j+1] ? ' ' : ':');
}
}
if (opt_border == 2)
fputs(" |", fout);
fputc('\n', fout);
line_count++;
}
}
if (opt_border == 2)
_print_horizontal_line(col_count, widths, opt_border, fout);
/* print footers */
if (footers && !opt_tuples_only)
for (ptr = footers; *ptr; ptr++)
fprintf(fout, "%s\n", *ptr);
#ifndef __MINGW32__
/*
* for some reason MinGW outputs an extra newline, so this supresses it
*/
fputc('\n', fout);
#endif
/* clean up */
free(widths);
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, bool opt_tuples_only,
bool opt_numeric_locale, unsigned short int opt_border,
int encoding, FILE *fout)
{
unsigned int col_count = 0;
unsigned int record = 1;
const char *const * ptr;
unsigned int i,
tmp = 0,
hwidth = 0,
dwidth = 0,
hheight = 1,
dheight = 1,
hformatsize = 0,
dformatsize = 0;
char *divider;
unsigned int cell_count = 0;
struct lineptr *hlineptr, *dlineptr;
if (cells[0] == NULL)
{
fprintf(fout, _("(No rows)\n"));
return;
}
/* count headers and find longest one */
for (ptr = headers; *ptr; ptr++)
col_count++;
/* Find the maximum dimensions for the headers */
for (i = 0; i < col_count; i++)
{
int height, fs;
pg_wcssize((unsigned char *) headers[i], strlen(headers[i]), encoding, &tmp, &height, &fs);
if (tmp > hwidth)
hwidth = tmp;
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 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, &tmp, &height, &fs);
tmp += numeric_locale_len;
if (tmp > dwidth)
dwidth = tmp;
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);
/* print title */
if (!opt_tuples_only && title)
fprintf(fout, "%s\n", title);
/* 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, "-+");
/* print records */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
int line_count, dcomplete, hcomplete;
if (i % col_count == 0)
{
if (!opt_tuples_only)
{
char *record_str = pg_local_malloc(32);
size_t record_str_len;
if (opt_border == 0)
snprintf(record_str, 32, "* Record %d", record++);
else
snprintf(record_str, 32, "[ RECORD %d ]", 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);
}
free(record_str);
}
else if (i != 0 || 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(dlineptr[line_count].ptr);
if (opt_border < 2)
fprintf(fout, "%s\n", my_cell);
else
fprintf(fout, "%-s%*s |\n", my_cell, 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_border == 2)
fprintf(fout, "%s\n", divider);
/* print footers */
if (!opt_tuples_only && footers && *footers)
{
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("&amp;", fout);
break;
case '<':
fputs("&lt;", fout);
break;
case '>':
fputs("&gt;", fout);
break;
case '\n':
fputs("<br />\n", fout);
break;
case '"':
fputs("&quot;", fout);
break;
case '\'':
fputs("&apos;", fout);
break;
case ' ':
/* protect leading space, for EXPLAIN output */
if (leading_space)
fputs("&nbsp;", 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, bool opt_tuples_only,
bool opt_numeric_locale, unsigned short int opt_border,
const char *opt_table_attr, FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
const char *const * ptr;
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 and count columns */
if (!opt_tuples_only)
fputs(" <tr>\n", fout);
for (i = 0, ptr = headers; *ptr; i++, ptr++)
{
col_count++;
if (!opt_tuples_only)
{
fputs(" <th align=\"center\">", fout);
html_escaped_print(*ptr, fout);
fputs("</th>\n", fout);
}
}
if (!opt_tuples_only)
fputs(" </tr>\n", fout);
/* print cells */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
if (i % col_count == 0)
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("&nbsp; ", 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);
}
fputs("</table>\n", fout);
/* print footers */
if (!opt_tuples_only && footers && *footers)
{
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, bool opt_tuples_only,
bool opt_numeric_locale, unsigned short int opt_border,
const char *opt_table_attr, FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
unsigned int record = 1;
const char *const * ptr;
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);
}
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
/* print records */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
if (i % col_count == 0)
{
if (!opt_tuples_only)
fprintf(fout, "\n <tr><td colspan=\"2\" align=\"center\">Record %d</td></tr>\n", record++);
else
fputs("\n <tr><td colspan=\"2\">&nbsp;</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("&nbsp; ", 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);
}
fputs("</table>\n", fout);
/* print footers */
if (!opt_tuples_only && footers && *footers)
{
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, bool opt_tuples_only,
bool opt_numeric_locale, unsigned short int opt_border,
FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
const char *const * ptr;
/* print title */
if (!opt_tuples_only && title)
{
fputs("\\begin{center}\n", fout);
latex_escaped_print(title, fout);
fputs("\n\\end{center}\n\n", fout);
}
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
/* 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 and count columns */
for (i = 0, ptr = headers; i < col_count; i++, ptr++)
{
if (!opt_tuples_only)
{
if (i != 0)
fputs(" & ", fout);
fputs("\\textit{", fout);
latex_escaped_print(*ptr, fout);
fputc('}', fout);
}
}
if (!opt_tuples_only)
{
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);
else
fputs(" & ", fout);
}
if (opt_border == 2)
fputs("\\hline\n", fout);
fputs("\\end{tabular}\n\n\\noindent ", fout);
/* print footers */
if (footers && !opt_tuples_only)
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, bool opt_tuples_only,
bool opt_numeric_locale, unsigned short int opt_border,
FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
const char *const * ptr;
unsigned int record = 1;
(void) opt_align; /* currently unused parameter */
/* 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);
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
/* print records */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
/* new record */
if (i % col_count == 0)
{
if (!opt_tuples_only)
{
if (opt_border == 2)
{
fputs("\\hline\n", fout);
fprintf(fout, "\\multicolumn{2}{|c|}{\\textit{Record %d}} \\\\\n", record++);
}
else
fprintf(fout, "\\multicolumn{2}{c}{\\textit{Record %d}} \\\\\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_border == 2)
fputs("\\hline\n", fout);
fputs("\\end{tabular}\n\n\\noindent ", fout);
/* print footers */
if (footers && !opt_tuples_only)
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, bool opt_tuples_only,
bool opt_numeric_locale, unsigned short int opt_border,
FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
const char *const * ptr;
/* 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);
}
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
/* 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 and count columns */
for (i = 0, ptr = headers; i < col_count; i++, ptr++)
{
if (!opt_tuples_only)
{
if (i != 0)
fputc('\t', fout);
fputs("\\fI", fout);
troff_ms_escaped_print(*ptr, fout);
fputs("\\fP", fout);
}
}
if (!opt_tuples_only)
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);
else
fputc('\t', fout);
}
fputs(".TE\n.DS L\n", fout);
/* print footers */
if (footers && !opt_tuples_only)
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, bool opt_tuples_only,
bool opt_numeric_locale, unsigned short int opt_border,
FILE *fout)
{
unsigned int col_count = 0;
unsigned int i;
const char *const * ptr;
unsigned int record = 1;
unsigned short current_format = 0; /* 0=none, 1=header, 2=body */
(void) opt_align; /* currently unused parameter */
/* 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);
/* count columns */
for (ptr = headers; *ptr; ptr++)
col_count++;
/* print records */
for (i = 0, ptr = cells; *ptr; i++, ptr++)
{
/* new record */
if (i % col_count == 0)
{
if (!opt_tuples_only)
{
if (current_format != 1)
{
if (opt_border == 2 && i > 0)
fputs("_\n", fout);
if (current_format != 0)
fputs(".T&\n", fout);
fputs("c s.\n", fout);
current_format = 1;
}
fprintf(fout, "\\fIRecord %d\\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);
}
fputs(".TE\n.DS L\n", fout);
/* print footers */
if (footers && !opt_tuples_only)
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;
#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
return popen(pagerprog, "w");
#ifdef TIOCGWINSZ
}
#endif
}
return stdout;
}
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)
{
const char *default_footer[] = {NULL};
unsigned short int border = opt->border;
FILE *output;
bool use_expanded;
if (opt->format == PRINT_NOTHING)
return;
if (!footers)
footers = default_footer;
if (opt->format != PRINT_HTML && border > 2)
border = 2;
/*
* We only want to display the results in "expanded" format if this is a
* normal (user-submitted) query, not a table we're printing for a slash
* command.
*/
if (opt->expanded)
use_expanded = true;
else
use_expanded = false;
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->tuples_only, opt->numericLocale, border, opt->encoding, flog);
switch (opt->format)
{
case PRINT_UNALIGNED:
if (use_expanded)
print_unaligned_vertical(title, headers, cells, footers, align,
opt->fieldSep, opt->recordSep,
opt->tuples_only, opt->numericLocale, output);
else
print_unaligned_text(title, headers, cells, footers, align,
opt->fieldSep, opt->recordSep,
opt->tuples_only, opt->numericLocale, output);
break;
case PRINT_ALIGNED:
if (use_expanded)
print_aligned_vertical(title, headers, cells, footers, align,
opt->tuples_only, opt->numericLocale, border,
opt->encoding, output);
else
print_aligned_text(title, headers, cells, footers, align,
opt->tuples_only, opt->numericLocale,
border, opt->encoding, output);
break;
case PRINT_HTML:
if (use_expanded)
print_html_vertical(title, headers, cells, footers, align,
opt->tuples_only, opt->numericLocale,
border, opt->tableAttr, output);
else
print_html_text(title, headers, cells, footers,
align, opt->tuples_only, opt->numericLocale, border,
opt->tableAttr, output);
break;
case PRINT_LATEX:
if (use_expanded)
print_latex_vertical(title, headers, cells, footers, align,
opt->tuples_only, opt->numericLocale,
border, output);
else
print_latex_text(title, headers, cells, footers, align,
opt->tuples_only, opt->numericLocale,
border, output);
break;
case PRINT_TROFF_MS:
if (use_expanded)
print_troff_ms_vertical(title, headers, cells, footers, align,
opt->tuples_only, opt->numericLocale,
border, output);
else
print_troff_ms_text(title, headers, cells, footers, align,
opt->tuples_only, opt->numericLocale,
border, output);
break;
default:
fprintf(stderr, _("invalid output format (internal error): %d"), opt->format);
exit(EXIT_FAILURE);
}
/* Only close if we used the pager */
if (fout == stdout && output != stdout)
{
pclose(output);
#ifndef WIN32
pqsignal(SIGPIPE, SIG_DFL);
#endif
}
}
void
printQuery(const PGresult *result, const printQueryOpt *opt, FILE *fout, FILE *flog)
{
int nfields;
int ncells;
const char **headers;
const char **cells;
char **footers;
char *align;
int i;
/* extract headers */
nfields = PQnfields(result);
headers = pg_local_calloc(nfields + 1, sizeof(*headers));
for (i = 0; i < nfields; i++)
headers[i] = mbvalidate(PQfname(result, i), opt->topt.encoding);
/* set cells */
ncells = PQntuples(result) * nfields;
cells = pg_local_calloc(ncells + 1, sizeof(*cells));
for (i = 0; i < ncells; i++)
{
if (PQgetisnull(result, i / nfields, i % nfields))
cells[i] = opt->nullPrint ? opt->nullPrint : "";
else
cells[i] = mbvalidate(PQgetvalue(result, i / nfields, i % nfields), opt->topt.encoding);
}
/* set footers */
if (opt->footers)
footers = opt->footers;
else if (!opt->topt.expanded && opt->default_footer)
{
footers = pg_local_calloc(2, sizeof(*footers));
footers[0] = pg_local_malloc(100);
if (PQntuples(result) == 1)
snprintf(footers[0], 100, _("(1 row)"));
else
snprintf(footers[0], 100, _("(%d rows)"), PQntuples(result));
}
else
footers = NULL;
/* set alignment */
align = pg_local_calloc(nfields + 1, sizeof(*align));
for (i = 0; i < nfields; i++)
{
Oid ftype = PQftype(result, i);
if (ftype == 20 || /* int8 */
ftype == 21 || /* int2 */
ftype == 23 || /* int4 */
(ftype >= 26 && ftype <= 30) || /* ?id */
ftype == 700 || /* float4 */
ftype == 701 || /* float8 */
ftype == 790 || /* money */
ftype == 1700 /* numeric */
)
align[i] = 'r';
else
align[i] = 'l';
}
/* call table printer */
printTable(opt->title, headers, cells,
(const char *const *) footers,
align, &opt->topt, fout, flog);
free(headers);
free(cells);
if (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 */
if (*extlconv->thousands_sep)
thousands_sep = strdup(extlconv->thousands_sep);
else if (*decimal_point != ',')
thousands_sep = ",";
else
thousands_sep = ".";
}