/*
* find the end of the current tag/value pair. string should be pointing just
* after the equal sign. Handles quoted characters.
*/
const char *
NSSUTIL_ArgFindEnd(const char *string)
{
char endChar = ' ';
PRBool lastEscape = PR_FALSE;
if (NSSUTIL_ArgIsQuote(*string)) {
endChar = NSSUTIL_ArgGetPair(*string);
string++;
}
for (; *string; string++) {
if (lastEscape) {
lastEscape = PR_FALSE;
continue;
}
if (NSSUTIL_ArgIsEscape(*string) && !lastEscape) {
lastEscape = PR_TRUE;
continue;
}
if ((endChar == ' ') && NSSUTIL_ArgIsBlank(*string))
break;
if (*string == endChar) {
break;
}
}
return string;
}
const char *
NSSUTIL_ArgStrip(const char *c)
{
while (*c && NSSUTIL_ArgIsBlank(*c))
c++;
return c;
}
static PRBool nssutil_argHasBlanks(char *v)
{
for ( ;*v; v++) {
if (NSSUTIL_ArgIsBlank(*v)) return PR_TRUE;
}
return PR_FALSE;
}
/*
* parameters are tag value pairs. This function returns the tag or label (the
* value before the equal size.
*/
char *
NSSUTIL_ArgGetLabel(const char *inString, int *next)
{
char *name = NULL;
const char *string;
int len;
/* look for the end of the <label>= */
for (string = inString; *string; string++) {
if (*string == '=') {
break;
}
if (NSSUTIL_ArgIsBlank(*string))
break;
}
len = string - inString;
*next = len;
if (*string == '=')
(*next) += 1;
if (len > 0) {
name = PORT_Alloc(len + 1);
PORT_Strncpy(name, inString, len);
name[len] = 0;
}
return name;
}
/*
* point to the next parameter in string
*/
char *
NSSUTIL_ArgSkipParameter(char *string)
{
char *end;
/* look for the end of the <name>= */
for (;*string; string++) {
if (*string == '=') { string++; break; }
if (NSSUTIL_ArgIsBlank(*string)) return(string);
}
end = NSSUTIL_ArgFindEnd(string);
if (*end) end++;
return end;
}
