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simple table functions

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@8622 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
2000-07-08 17:59:07 +00:00
parent 6d5c7680fd
commit a41824b0a7
2 changed files with 327 additions and 0 deletions
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270
lib/roken/rtbl.c Normal file
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/*
* Copyright (c) 2000 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
RCSID ("$Id$");
#endif
#include "roken.h"
#include "rtbl.h"
struct column_entry {
char *data;
};
struct column_data {
char *header;
char *prefix;
int width;
unsigned flags;
size_t num_rows;
struct column_entry *rows;
};
struct rtbl_data {
char *column_prefix;
size_t num_columns;
struct column_data **columns;
};
rtbl_t
rtbl_create (void)
{
return calloc (1, sizeof (struct rtbl_data));
}
static struct column_data *
rtbl_get_column (rtbl_t table, const char *column)
{
int i;
for(i = 0; i < table->num_columns; i++)
if(strcmp(table->columns[i]->header, column) == 0)
return table->columns[i];
return NULL;
}
void
rtbl_destroy (rtbl_t table)
{
int i, j;
for (i = 0; i < table->num_columns; i++) {
struct column_data *c = table->columns[i];
for (j = 0; j < c->num_rows; j++)
free (c->rows[j].data);
free (c->header);
free (c->prefix);
free (c);
}
free (table->column_prefix);
free (table->columns);
}
int
rtbl_add_column (rtbl_t table, const char *header, unsigned int flags)
{
struct column_data *col, **tmp;
tmp = realloc (table->columns, (table->num_columns + 1) * sizeof (*tmp));
if (tmp == NULL)
return ENOMEM;
table->columns = tmp;
col = malloc (sizeof (*col));
if (col == NULL)
return ENOMEM;
col->header = strdup (header);
if (col->header == NULL) {
free (col);
return ENOMEM;
}
col->flags = flags;
col->num_rows = 0;
col->rows = NULL;
table->columns[table->num_columns++] = col;
return 0;
}
static void
column_compute_width (struct column_data *column)
{
int i;
column->width = strlen (column->header);
for (i = 0; i < column->num_rows; i++)
column->width = max (column->width, strlen (column->rows[i].data));
}
int
rtbl_set_prefix (rtbl_t table, const char *prefix)
{
if (table->column_prefix)
free (table->column_prefix);
table->column_prefix = strdup (prefix);
if (table->column_prefix == NULL)
return ENOMEM;
return 0;
}
int
rtbl_set_column_prefix (rtbl_t table, const char *column,
const char *prefix)
{
struct column_data *c = rtbl_get_column (table, column);
if (c == NULL)
return -1;
if (c->prefix)
free (c->prefix);
c->prefix = strdup (prefix);
if (c->prefix == NULL)
return ENOMEM;
return 0;
}
static const char *
get_column_prefix (rtbl_t table, struct column_data *c)
{
if (c == NULL)
return "";
if (c->prefix)
return c->prefix;
if (table->column_prefix)
return table->column_prefix;
return "";
}
int
rtbl_add_column_entry (rtbl_t table, const char *column, const char *data)
{
struct column_entry row, *tmp;
struct column_data *c = rtbl_get_column (table, column);
if (c == NULL)
return -1;
row.data = strdup (data);
if (row.data == NULL)
return ENOMEM;
tmp = realloc (c->rows, (c->num_rows + 1) * sizeof (*tmp));
if (tmp == NULL) {
free (row.data);
return ENOMEM;
}
c->rows = tmp;
c->rows[c->num_rows++] = row;
return 0;
}
int
rtbl_format (rtbl_t table, FILE * f)
{
int i, j;
for (i = 0; i < table->num_columns; i++)
column_compute_width (table->columns[i]);
for (i = 0; i < table->num_columns; i++) {
struct column_data *c = table->columns[i];
fprintf (f, "%s", get_column_prefix (table, c));
fprintf (f, "%-*s", (int)c->width, c->header);
}
fprintf (f, "\n");
for (j = 0;; j++) {
int flag = 0;
for (i = 0; i < table->num_columns; i++) {
int w;
struct column_data *c = table->columns[i];
w = c->width;
if ((c->flags & RTBL_ALIGN_RIGHT) == 0)
w = -w;
fprintf (f, "%s", get_column_prefix (table, c));
if (c->num_rows <= j)
fprintf (f, "%*s", w, "");
else {
fprintf (f, "%*s", w, c->rows[j].data);
flag++;
}
}
if (flag == 0)
break;
fprintf (f, "\n");
}
return 0;
}
#ifdef TEST
int
main (int argc, char **argv)
{
rtbl_t table;
unsigned int a, b, c, d;
table = rtbl_create ();
rtbl_add_column (table, "Issued", 0, &a);
rtbl_add_column (table, "Expires", 0, &b);
rtbl_add_column (table, "Foo", RTBL_ALIGN_RIGHT, &d);
rtbl_add_column (table, "Principal", 0, &c);
rtbl_add_column_entry (table, a, "Jul 7 21:19:29");
rtbl_add_column_entry (table, b, "Jul 8 07:19:29");
rtbl_add_column_entry (table, d, "73");
rtbl_add_column_entry (table, d, "0");
rtbl_add_column_entry (table, d, "-2000");
rtbl_add_column_entry (table, c, "krbtgt/NADA.KTH.SE@NADA.KTH.SE");
rtbl_add_column_entry (table, a, "Jul 7 21:19:29");
rtbl_add_column_entry (table, b, "Jul 8 07:19:29");
rtbl_add_column_entry (table, c, "afs/pdc.kth.se@NADA.KTH.SE");
rtbl_add_column_entry (table, a, "Jul 7 21:19:29");
rtbl_add_column_entry (table, b, "Jul 8 07:19:29");
rtbl_add_column_entry (table, c, "afs@NADA.KTH.SE");
rtbl_set_prefix (table, " ");
rtbl_set_column_prefix (table, a, "");
rtbl_format (table, stdout);
rtbl_destroy (table);
}
#endif

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/*
* Copyright (c) 2000 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __rtbl_h__
#define __rtbl_h__
struct rtbl_data;
typedef struct rtbl_data *rtbl_t;
#define RTBL_ALIGN_LEFT 0
#define RTBL_ALIGN_RIGHT 1
rtbl_t rtbl_create (void);
void rtbl_destroy (rtbl_t);
int rtbl_set_prefix (rtbl_t, const char*);
int rtbl_set_column_prefix (rtbl_t, const char*, const char*);
int rtbl_add_column (rtbl_t, const char*, unsigned int);
int rtbl_add_column_entry (rtbl_t, const char*, const char*);
int rtbl_format (rtbl_t, FILE*);
#endif /* __rtbl_h__ */