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/*:*
*: File: ./src/argv.c
*: A simple interpreter
*:
*: WWW : http://fype.buetow.org
*: AUTHOR : http://paul.buetow.org
*: E-Mail : fype at dev.buetow.org
*:
*: Copyright (c) 2005 2006 2007 2008, Paul C. Buetow
*: All rights reserved.
*:
*: Redistribution and use in source and binary forms, with or without modi-
*: fication, are permitted provided that the following conditions are met:
*: * Redistributions of source code must retain the above copyright
*: notice, this list of conditions and the following disclaimer.
*: * 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.
*: * Neither the name of P. B. Labs 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 PAUL C. BUETOW 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 PAUL C. BUETOW 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.
*:*/
#include "argv.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "defines.h"
#include "data/dat.h"
#define ARGV_OSLEN 128
char *BINARY;
void
argv_run(Fype *p_fype, int i_argc, char **pc_argv) {
Dat *p_dat_string = dat_new();
BINARY = pc_argv[0];
char *c_tmp = STR_NEW(ARGV_OSLEN);
c_tmp[0] = '\0';
p_fype->p_tupel_argv->a = p_dat_string;
p_fype->p_tupel_argv->b = c_tmp;
if (i_argc <= 1) {
argv_synopsis(p_fype->p_tupel_argv);
exit(1);
}
for (int i = 1; i < i_argc; ++i) {
if (pc_argv[i][0] != '-' && pc_argv[i][0] != '/') {
dat_push(p_dat_string, pc_argv[i]);
continue;
}
int i_len = strlen(pc_argv[i]);
unsigned i_argc_left = i_argc - i + dat_size(p_dat_string);
for (int j = 1; j < i_len; ++j)
argv_switch(pc_argv[i][j], p_fype->p_tupel_argv, i_argc_left);
}
}
void
argv_switch(char c_arg, Tupel *p_tupel_argv, unsigned i_argc_left) {
switch (c_arg) {
case 'e':
case 'T':
case 'V':
argv_addopt(c_arg, p_tupel_argv);
return;
case 'h':
argv_help();
exit(0);
case 's':
argv_synopsis(p_tupel_argv);
exit(0);
case 'v':
printf("%s %s %d\n", NAME, VERSION, BUILDNR);
exit(0);
}
char buf[2];
buf[0] = c_arg;
buf[1] = '\0';
EPRINTF("Error: No such option '%s'!\n", buf);
exit(1);
}
void
argv_synopsis(Tupel *p_tupel_argv) {
printf("Synopsis:\n");
printf("%s ", BINARY);
printf("[-[hsvTV]] file.fy\n");
printf("%s ", BINARY);
printf("-e \"code string;\"\n");
if (!argv_checkopt('h', p_tupel_argv))
printf("\t(Hint: Try -h for details)\n");
}
void
argv_help() {
printf("%s %s %d\n", NAME, VERSION, BUILDNR);
printf("%s\n", COPYRIGHT);
printf("\t-e\tExecutes given code string (see synopses)\n");
printf("\t-h\tPrints this help\n");
printf("\t-s\tPrints the synopsis\n");
printf("\t-v\tPrints the current version\n");
printf("\t-T\tPrints token list after scanning\n");
printf("\t-V\tVerbose mode: Print all possible output\n");
exit(0);
}
void
argv_addopt(char c_opt, Tupel *p_tupel_argv) {
char *c_opts = (char *) p_tupel_argv->b;
int i_len = strlen(c_opts), i;
for (i = 0; i < i_len; ++i)
if (c_opts[i] == c_opt)
return;
c_opts[i] = c_opt;
c_opts[i+1] = '\0';
}
_Bool
argv_checkopt(char c_opt, Tupel *p_tupel_argv) {
char *c_opts = (char *) p_tupel_argv->b;
int i_len = strlen(c_opts);
for (int i = 0; i < i_len; ++i)
if (c_opts[i] == c_opt)
return 1;
return 0;
}
_Bool
argv_checkopts(char *c_opts, Tupel *p_tupel_argv) {
int i_len = strlen(c_opts);
for (int i = 0; i < i_len; ++i)
if (argv_checkopt(c_opts[i], p_tupel_argv))
return 1;
return 0;
}
void
argv_check_argc(int i_required, unsigned i_argc_left, Tupel *p_tupel_argv) {
if ((unsigned) ++i_required > i_argc_left) {
argv_synopsis(p_tupel_argv);
EPRINTF("%d argument(s) missing!\n", i_required-i_argc_left);
exit(1);
}
}
void
argv_tupel_delete(Tupel *p_tupel_argv) {
dat_delete(p_tupel_argv->a);
free(p_tupel_argv->b);
tupel_delete(p_tupel_argv);
}
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