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#include <u.h>
#include <libc.h>
/* unfortunately, tokenize insists on collapsing multiple seperators */
static char qsep[] = " \t\r\n";
static char*
qtoken(char *s, char *sep)
{
int quoting;
char *t;
quoting = 0;
t = s; /* s is output string, t is input string */
while(*t!='\0' && (quoting || utfrune(sep, *t)==nil)){
if(*t != '\''){
*s++ = *t++;
continue;
}
/* *t is a quote */
if(!quoting){
quoting = 1;
t++;
continue;
}
/* quoting and we're on a quote */
if(t[1] != '\''){
/* end of quoted section; absorb closing quote */
t++;
quoting = 0;
continue;
}
/* doubled quote; fold one quote into two */
t++;
*s++ = *t++;
}
if(*s != '\0'){
*s = '\0';
if(t == s)
t++;
}
return t;
}
int
getmtokens(char *s, char **args, int maxargs, int multiflag)
{
int i;
for(i = 0; i < maxargs; i++){
if(multiflag)
while(*s && utfrune(qsep, *s))
s++;
else if(*s && utfrune(qsep, *s))
s++;
if(*s == 0)
break;
args[i] = s;
s = qtoken(s, qsep);
}
return i;
}
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