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/* Copyright (C) 2002-2006 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include <config.h>
#include <drizzled/definitions.h>
#include <drizzled/charset_info.h>
#include <drizzled/internal/my_sys.h>
#include <drizzled/gettext.h>
#include <drizzled/internal/m_string.h>
#include <drizzled/internal/my_sys.h>
#include <drizzled/error.h>
#include <drizzled/option.h>
#include <drizzled/typelib.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <iostream>
#include <algorithm>
using namespace std;
namespace drizzled {
typedef void (*init_func_p)(const struct option *option, char **variable,
int64_t value);
void default_reporter(enum loglevel level, const char *format, ...);
my_error_reporter my_getopt_error_reporter= &default_reporter;
/*
The following three variables belong to same group and the number and
order of their arguments must correspond to each other.
*/
static const uint32_t special_opt_prefix_lengths[]=
{ 4, 7, 6, 7, 5, 0};
enum enum_special_opt
{ OPT_SKIP, OPT_DISABLE, OPT_ENABLE, OPT_MAXIMUM, OPT_LOOSE};
char *disabled_my_option= (char*) "0";
/*
This is a flag that can be set in client programs. 1 means that
my_getopt will skip over options it does not know how to handle.
*/
bool my_getopt_skip_unknown= 0;
void default_reporter(enum loglevel level, const char *format, ...)
{
va_list args;
va_start(args, format);
if (level == WARNING_LEVEL)
fprintf(stderr, "%s", _("Warning: "));
else if (level == INFORMATION_LEVEL)
fprintf(stderr, "%s", _("Info: "));
vfprintf(stderr, format, args);
va_end(args);
fputc('\n', stderr);
fflush(stderr);
}
/*
function: compare_strings
Works like strncmp, other than 1.) considers '-' and '_' the same.
2.) Returns -1 if strings differ, 0 if they are equal
*/
bool getopt_compare_strings(const char *s, const char *t,
uint32_t length)
{
char const *end= s + length;
for (;s != end ; s++, t++)
{
if ((*s != '-' ? *s : '_') != (*t != '-' ? *t : '_'))
return 1;
}
return 0;
}
/*
function: getopt_ll_limit_value
Applies min/max/block_size to a numeric value of an option.
Returns "fixed" value.
*/
int64_t getopt_ll_limit_value(int64_t num, const struct option *optp,
bool *fix)
{
int64_t old= num;
bool adjusted= false;
char buf1[255], buf2[255];
uint64_t block_size= (optp->block_size ? (uint64_t) optp->block_size : 1L);
if (num > 0 && ((uint64_t) num > (uint64_t) optp->max_value) &&
optp->max_value) /* if max value is not set -> no upper limit */
{
num= (uint64_t) optp->max_value;
adjusted= true;
}
switch ((optp->var_type & GET_TYPE_MASK)) {
case GET_INT:
if (num > (int64_t) INT_MAX)
{
num= ((int64_t) INT_MAX);
adjusted= true;
}
break;
case GET_LONG:
if (num > (int64_t) INT32_MAX)
{
num= ((int64_t) INT32_MAX);
adjusted= true;
}
break;
default:
assert((optp->var_type & GET_TYPE_MASK) == GET_LL);
break;
}
num= ((num - optp->sub_size) / block_size);
num= (int64_t) (num * block_size);
if (num < optp->min_value)
{
num= optp->min_value;
adjusted= true;
}
if (fix)
*fix= adjusted;
else if (adjusted)
my_getopt_error_reporter(WARNING_LEVEL,
"option '%s': signed value %s adjusted to %s",
optp->name, internal::llstr(old, buf1), internal::llstr(num, buf2));
return num;
}
/*
function: getopt_ull
This is the same as getopt_ll, but is meant for uint64_t
values.
*/
uint64_t getopt_ull_limit_value(uint64_t num, const struct option *optp,
bool *fix)
{
bool adjusted= false;
uint64_t old= num;
char buf1[255], buf2[255];
if ((uint64_t) num > (uint64_t) optp->max_value &&
optp->max_value) /* if max value is not set -> no upper limit */
{
num= (uint64_t) optp->max_value;
adjusted= true;
}
switch ((optp->var_type & GET_TYPE_MASK)) {
case GET_UINT:
if (num > (uint64_t) UINT_MAX)
{
num= ((uint64_t) UINT_MAX);
adjusted= true;
}
break;
case GET_UINT32:
case GET_ULONG_IS_FAIL:
if (num > (uint64_t) UINT32_MAX)
{
num= ((uint64_t) UINT32_MAX);
adjusted= true;
}
break;
case GET_SIZE:
if (num > (uint64_t) SIZE_MAX)
{
num= ((uint64_t) SIZE_MAX);
adjusted= true;
}
break;
default:
assert(((optp->var_type & GET_TYPE_MASK) == GET_ULL)
|| ((optp->var_type & GET_TYPE_MASK) == GET_UINT64));
break;
}
if (optp->block_size > 1)
{
num/= (uint64_t) optp->block_size;
num*= (uint64_t) optp->block_size;
}
if (num < (uint64_t) optp->min_value)
{
num= (uint64_t) optp->min_value;
adjusted= true;
}
if (fix)
*fix= adjusted;
else if (adjusted)
my_getopt_error_reporter(WARNING_LEVEL,
"option '%s': unsigned value %s adjusted to %s",
optp->name, internal::ullstr(old, buf1), internal::ullstr(num, buf2));
return num;
}
/*
function: my_print_options
Print help for all options and variables.
*/
void my_print_help(const struct option *options)
{
uint32_t col, name_space= 22, comment_space= 57;
const char *line_end;
const struct option *optp;
for (optp= options; optp->id; optp++)
{
if (optp->id < 256)
{
printf(" -%c%s", optp->id, strlen(optp->name) ? ", " : " ");
col= 6;
}
else
{
printf(" ");
col= 2;
}
if (strlen(optp->name))
{
printf("--%s", optp->name);
col+= 2 + (uint32_t) strlen(optp->name);
if ((optp->var_type & GET_TYPE_MASK) == GET_STR ||
(optp->var_type & GET_TYPE_MASK) == GET_STR_ALLOC)
{
printf("%s=name%s ", optp->arg_type == OPT_ARG ? "[" : "",
optp->arg_type == OPT_ARG ? "]" : "");
col+= (optp->arg_type == OPT_ARG) ? 8 : 6;
}
else if ((optp->var_type & GET_TYPE_MASK) == GET_NO_ARG ||
(optp->var_type & GET_TYPE_MASK) == GET_BOOL)
{
putchar(' ');
col++;
}
else
{
printf("%s=#%s ", optp->arg_type == OPT_ARG ? "[" : "",
optp->arg_type == OPT_ARG ? "]" : "");
col+= (optp->arg_type == OPT_ARG) ? 5 : 3;
}
if (col > name_space && optp->comment && *optp->comment)
{
putchar('\n');
col= 0;
}
}
for (; col < name_space; col++)
putchar(' ');
if (optp->comment && *optp->comment)
{
const char *comment= _(optp->comment), *end= strchr(comment, '\0');
while ((uint32_t) (end - comment) > comment_space)
{
for (line_end= comment + comment_space; *line_end != ' '; line_end--)
{}
for (; comment != line_end; comment++)
putchar(*comment);
comment++; /* skip the space, as a newline will take it's place now */
putchar('\n');
for (col= 0; col < name_space; col++)
putchar(' ');
}
printf("%s", comment);
}
putchar('\n');
if ((optp->var_type & GET_TYPE_MASK) == GET_NO_ARG ||
(optp->var_type & GET_TYPE_MASK) == GET_BOOL)
{
if (optp->def_value != 0)
{
printf(_("%*s(Defaults to on; use --skip-%s to disable.)\n"), name_space, "", optp->name);
}
}
}
}
} /* namespace drizzled */
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