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|
%% options
%% module
#include "dk4conf.h"
#include "dk4types.h"
#include "dk4error.h"
#include "dk4opt.h"
#include "dk4maidddi.h"
#include "dk4maidddu.h"
#include "dk4maiddsz.h"
#include "dk4maiddbl.h"
#include "dk4strd.h"
#include "dk4fput.h"
$!trace-include
static const dkChar * const dk4opt_kwnl[] = {
$!string-table macro=dkT
#
# 0
#
\n
#
# 1 ... 5
#
ERROR: Option
-
/
--
requires
#
# 6 ... 11
#
boolean
size
integer
unsigned integer
double
string
#
# 12
#
argument!\n
#
# 13 14
#
Illegal argument text: "
"!\n
#
# 15
#
:
#
# 16 17
#
ERROR: No file names expected!\n
ERROR: Too many file names!\n
#
# 18 19
#
ERROR: Illegal option: "
"!\n
#
# 20 21
#
Warning: Option used multiple times: "
".\n
#
# 22 23
#
Warning: Unused argument in option: "
".\n
$!end
};
static
void
dk4opt_log_1(
size_t kwind,
const dkChar *progname,
int logstderr
)
{
if (0 != logstderr) {
dk4fput_initialize_stderr();
if (NULL != progname) {
dk4fputs(progname, stderr, NULL);
dk4fputs(dk4opt_kwnl[15], stderr, NULL);
}
dk4fputs(dk4opt_kwnl[kwind], stderr, NULL);
fflush(stderr);
}
}
static
void
dk4opt_log_3(
size_t kwi1,
size_t kwi2,
const dkChar *vartext,
const dkChar *progname,
int logstderr
)
{
if (0 != logstderr) {
dk4fput_initialize_stderr();
if (NULL != progname) {
dk4fputs(progname, stderr, NULL);
dk4fputs(dk4opt_kwnl[15], stderr, NULL);
}
dk4fputs(dk4opt_kwnl[kwi1], stderr, NULL);
if (NULL != vartext) {
dk4fputs(vartext, stderr, NULL);
}
dk4fputs(dk4opt_kwnl[kwi2], stderr, NULL);
fflush(stderr);
}
}
static
void
dk4opt_complain_argument(
dk4_option_t *opt,
const dkChar *valstr,
const dkChar *argv0,
int progname,
int logstderr
)
{
if (0 != logstderr) {
if ((dkT('\0') != opt->spec.c) || (NULL != opt->spec.longopt)) {
dk4fput_initialize_stderr();
if ((0 != progname) && (NULL != argv0)) {
dk4fputs(argv0, stderr, NULL);
dk4fputs(dk4opt_kwnl[15], stderr, NULL);
}
dk4fputs(dk4opt_kwnl[1], stderr, NULL);
if (dkT('\0') != opt->spec.c) {
dk4fputs(dk4opt_kwnl[2], stderr, NULL);
dk4fputc(opt->spec.c, stderr, NULL);
if (NULL != opt->spec.longopt) {
dk4fputs(dk4opt_kwnl[3], stderr, NULL);
}
}
if (NULL != opt->spec.longopt) {
dk4fputs(dk4opt_kwnl[4], stderr, NULL);
dk4fputs(opt->spec.longopt, stderr, NULL);
}
dk4fputs(dk4opt_kwnl[5], stderr, NULL);
switch (opt->spec.argtype) {
case DK4_OPT_ARG_BOOL : {
dk4fputs(dk4opt_kwnl[6], stderr, NULL);
} break;
case DK4_OPT_ARG_SIZE : {
dk4fputs(dk4opt_kwnl[7], stderr, NULL);
} break;
case DK4_OPT_ARG_INT : {
dk4fputs(dk4opt_kwnl[8], stderr, NULL);
} break;
case DK4_OPT_ARG_UNSIGNED : {
dk4fputs(dk4opt_kwnl[9], stderr, NULL);
} break;
case DK4_OPT_ARG_DOUBLE : {
dk4fputs(dk4opt_kwnl[10], stderr, NULL);
} break;
}
dk4fputs(dk4opt_kwnl[12], stderr, NULL);
if (NULL != valstr) {
dk4fputs(dk4opt_kwnl[13], stderr, NULL);
dk4fputs(valstr, stderr, NULL);
dk4fputs(dk4opt_kwnl[14], stderr, NULL);
}
fflush(stderr);
}
}
}
/** Find first position of equal sign in string.
Before calling this function we manuall checked there is no
equal sign at position 0.
@param str String to check.
@return Position of first equal sign on success, 0 on error.
*/
static
size_t
dk4opt_i_equal_sign_position(const dkChar *str)
{
size_t back = 0;
size_t num = 0;
while ((dkT('\0') != *str) && (0 == back)) {
if (dkT('=') == *str) {
back = num;
} else {
str++; num++;
}
}
return back;
}
/** Set argument for one option.
@param opt Option to set.
@param valstr String containing the value.
@param logstderr Flag: Logging to stderr allowed.
@param progname Program name or NULL.
@return 1 on success, 0 on error.
*/
static
int
dk4opt_i_set_value(
dk4_option_t *opt,
dkChar *valstr,
int logstderr,
const dkChar *progname
)
{
const dkChar *ep = NULL; /* First unconvertable char */
double d = 0.0; /* Default double value */
dk4_um_t um = (dk4_um_t)0UL; /* Default unsigned value */
dk4_im_t im = (dk4_im_t)0L; /* Default integer value */
size_t sz = (size_t)0UL; /* Default size value */
int back = 0; /* Result */
$? "+ dk4opt_i_set_value \"%!ds\"", TR_STR(valstr)
switch (opt->spec.argtype) {
case DK4_OPT_ARG_BOOL : { $? ". boolean"
opt->val.b = 0;
opt->found = 0;
if (0 != dk4str_is_bool(valstr)) {
opt->val.b = ((0 != dk4str_is_on(valstr)) ? 1 : 0);
opt->found = 1;
back = 1;
} else {
back = dk4ma_input_dk_dec_dk4_im_t(&im, valstr, &ep, 1, NULL);
if (0 != back) {
opt->val.b = (((dk4_im_t)0L != im) ? 1 : 0);
opt->found = 1;
} else {
/* ERROR: Not a boolean */
dk4opt_complain_argument(
opt, valstr, progname, ((NULL != progname) ? 1 : 0), logstderr
);
}
}
} break;
case DK4_OPT_ARG_SIZE : { $? ". size"
opt->val.s = (size_t)0UL;
opt->found = 0;
back = dk4ma_input_dk_dec_size_t(&sz, valstr, &ep, 1, NULL);
if (0 != back) {
opt->val.s = sz;
opt->found = 1;
} else {
/* ERROR: Not a size */
dk4opt_complain_argument(
opt, valstr, progname, ((NULL != progname) ? 1 : 0), logstderr
);
}
} break;
case DK4_OPT_ARG_INT : { $? ". int"
opt->val.i = (dk4_im_t)0L;
opt->found = 0;
back = dk4ma_input_dk_dec_dk4_im_t(&im, valstr, &ep, 1, NULL);
if (0 != back) {
opt->val.i = im;
opt->found = 1;
} else {
/* ERROR: Not an int */
dk4opt_complain_argument(
opt, valstr, progname, ((NULL != progname) ? 1 : 0), logstderr
);
}
} break;
case DK4_OPT_ARG_UNSIGNED : { $? ". unsigned"
opt->val.u = (dk4_um_t)0UL;
opt->found = 0;
back = dk4ma_input_dk_dec_dk4_um_t(&um, valstr, &ep, 1, NULL);
if (0 != back) {
opt->val.u = um;
opt->found = 1;
} else {
/* ERROR: Not an unsigned number */
dk4opt_complain_argument(
opt, valstr, progname, ((NULL != progname) ? 1 : 0), logstderr
);
}
} break;
case DK4_OPT_ARG_DOUBLE : { $? ". double"
opt->val.d = 0.0;
opt->found = 0;
back = dk4ma_input_dk_double(&d, valstr, &ep, 1, NULL);
if (0 != back) {
opt->val.d = d;
opt->found = 1;
} else {
/* ERROR: Not a double */
dk4opt_complain_argument(
opt, valstr, progname, ((NULL != progname) ? 1 : 0), logstderr
);
}
} break;
case DK4_OPT_ARG_STRING : { $? ". string"
opt->val.t = valstr;
opt->found = 1;
if (NULL != valstr) { back = 1; }
} break;
} $? "- dk4opt_i_set_value %d", back
return back;
}
int
dk4opt_process_argv(
dk4_option_t *optptr,
size_t szoptptr,
int argc,
dkChar *argv[],
dkChar **filenames,
size_t *nfilenames,
int progname,
int logstderr,
dk4_er_t *erp
)
{
dkChar *curptr = NULL; /* Current argument to process */
dkChar *ocurptr = NULL; /* Original (complete) argument */
size_t fnused = 0; /* Used elements in filenames */
size_t j = 0; /* Option index to test */
size_t eqpos = 0; /* Equal sign position */
int i = 0; /* Current argument index */
int found = 0; /* Flag: current opt found in set */
int res = 0; /* Operation result */
int back = 0;
$? "+ dk4opt_process_argv"
if ((NULL != optptr) && (0 < szoptptr)) { $? ". args ok"
for (j = 0; j < szoptptr; j++) {
optptr[j].found = 0;
optptr[j].val.t = NULL;
}
if ((0 < argc) && (NULL != argv)) { $? ". args ok"
if ((NULL != filenames) && (NULL != nfilenames)) {
for (fnused = 0; fnused < *nfilenames; fnused++) {
filenames[fnused] = NULL;
}
fnused = 0;
}
back = 1;
i = 0;
if (0 != progname) { i = 1; }
while(i < argc) {
ocurptr = curptr = argv[i]; $? ". processing \"%s\"", curptr
if (dkT('-') == *curptr) {
curptr++;
if (dkT('-') == *curptr) {
curptr++;
if (dkT('\0' != *curptr)) {
if (dkT('=') != *curptr) {
eqpos = dk4opt_i_equal_sign_position(curptr);
found = 0; $? ". eqpos = %u", (unsigned)eqpos
for (j = 0; ((j < szoptptr) && (0 == found)); j++) {
if (NULL != optptr[j].spec.longopt) {
res = 0;
if (0 != eqpos) {
if (eqpos == dk4str_len(optptr[j].spec.longopt)) {
res = dk4str_ncmp(curptr,optptr[j].spec.longopt,eqpos);
} else {
res = 1;
}
} else {
res = dk4str_cmp(curptr, optptr[j].spec.longopt);
}
if (0 == res) {
if (0 != optptr[j].found) {
/* WARNING: Option used multiple times */
dk4opt_log_3(
20, 21, ocurptr, ((0 != progname) ? argv[0] : NULL),
logstderr
);
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
found = 1;
switch (optptr[j].spec.argtype) {
case DK4_OPT_ARG_BOOL :
case DK4_OPT_ARG_SIZE :
case DK4_OPT_ARG_INT :
case DK4_OPT_ARG_UNSIGNED :
case DK4_OPT_ARG_DOUBLE :
case DK4_OPT_ARG_STRING : {
if (0 < eqpos) {
curptr = &(curptr[eqpos+1]);
if (dkT('\0') == *curptr) {
curptr = NULL;
}
} else {
curptr = NULL;
}
if (NULL == curptr) {
if (++i < argc) {
curptr = argv[i];
}
}
if (NULL != curptr) {
res = dk4opt_i_set_value(
&(optptr[j]), curptr, logstderr,
((0 != progname) ? argv[0] : NULL)
);
if (0 == res) {
back = 0;
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
} else {
back = 0;
/* ERROR: Option required argument */
dk4opt_complain_argument(
&(optptr[j]), NULL, argv[0], progname, logstderr
);
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
} break;
default : {
optptr[j].found = 1;
if (0 < eqpos) {
/* WARNING: Option does not use argument */
dk4opt_log_3(
22, 23, ocurptr,
((0 != progname) ? argv[0] : NULL), logstderr
);
}
} break;
}
}
}
}
if (0 == found) {
back = 0;
/* ERROR: Illegal option */
dk4opt_log_3(
18,19,ocurptr,((0 != progname) ? argv[0] : NULL),logstderr
);
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
} else {
back = 0;
/* ERROR: Long option without name */
dk4opt_log_3(
18, 19, ocurptr, ((0 != progname) ? argv[0] : NULL), logstderr
);
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
} else {
if ((NULL != filenames) && (NULL != nfilenames)) {
if (fnused < *nfilenames) {
filenames[fnused++] = ocurptr;
} else {
back = 0;
/* ERROR: Too many file names */
dk4opt_log_1(17,((0 != progname) ? argv[0] : NULL),logstderr);
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
} else {
back = 0;
/*ERROR: No file names expected */
dk4opt_log_1(16, ((0 != progname) ? argv[0] : NULL), logstderr);
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
}
} else {
if (dkT('\0') != *curptr) {
found = 0;
for (j = 0; ((j < szoptptr) && (0 == found)); j++) {
if (optptr[j].spec.c == *curptr) {
if (0 != optptr[j].found) {
/* WARNING: Option used multiple times */
dk4opt_log_3(
20,21,ocurptr,((0 != progname) ? argv[0] : NULL),logstderr
);
}
found = 1;
switch(optptr[j].spec.argtype) {
case DK4_OPT_ARG_BOOL :
case DK4_OPT_ARG_SIZE :
case DK4_OPT_ARG_INT :
case DK4_OPT_ARG_UNSIGNED :
case DK4_OPT_ARG_DOUBLE :
case DK4_OPT_ARG_STRING : {
curptr++;
if (dkT('\0') == *curptr) {
curptr = NULL;
if (++i < argc) {
curptr = argv[i];
}
}
if (NULL != curptr) {
res = dk4opt_i_set_value(
&(optptr[j]), curptr, logstderr,
((0 != progname) ? argv[0] : NULL)
);
if (0 == res) {
back = 0;
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
} else {
back = 0;
/* ERROR: Option requires argument */
dk4opt_complain_argument(
&(optptr[j]), NULL, argv[0], progname, logstderr
);
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
} break;
default : {
optptr[j].found = 1;
} break;
}
}
}
if (0 == found) {
back = 0;
/* ERROR: Option not found in specification */
dk4opt_log_3(
18, 19, ocurptr, ((0 != progname) ? argv[0] : NULL), logstderr
);
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
} else {
if ((NULL != filenames) && (NULL != nfilenames)) {
if (fnused < *nfilenames) {
filenames[fnused++] = ocurptr;
} else {
back = 0;
/* ERROR: Too many file names */
dk4opt_log_1(17,((0 != progname) ? argv[0] : NULL),logstderr);
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
} else {
back = 0;
/* ERROR: No file names expected */
dk4opt_log_1(16, ((0 != progname) ? argv[0] : NULL), logstderr);
dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
}
}
}
} else {
if ((NULL != filenames) && (NULL != nfilenames)) {
if (fnused < *nfilenames) {
filenames[fnused++] = curptr;
} else {
back = 0;
/* ERROR: Too many file names */
dk4opt_log_1(17, ((0 != progname) ? argv[0] : NULL), logstderr);
dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL);
}
} else {
back = 0;
/* ERROR: No file names expected */
dk4opt_log_1(16, ((0 != progname) ? argv[0] : NULL), logstderr);
dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL);
}
}
i++;
}
} else {
/* ERROR: Arguments */
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
} else {
/* ERROR: Arguments */
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
if (NULL != nfilenames) { *nfilenames = fnused; }
$? "- dk4opt_process_argv %d", back
return back;
}
|
