Function pv_parse_spec

pvar.c:4979–5287

}

char* pv_parse_spec(const str *in, const pv_spec_p e)
{
	char *p;
	str s;
	str pvname;
	str pvcontext;
	int pvstate;
	int has_inner_name;
	trans_t *tr = NULL;
	const pv_export_t *pte = NULL;
	int n=0;

	if(in==NULL || in->s==NULL || e==NULL || *in->s!=PV_MARKER)
	{
		LM_ERR("bad parameters\n");
		return NULL;
	}

//	LM_DBG("***** input [%.*s] (%d)\n", in->len, in->s, in->len);
	tr = 0;
	pvstate = 0;
	memset(e, 0, sizeof(pv_spec_t));
	p = in->s;
	p++;
	if(*p==PV_LNBRACKET)
	{
		p++;
		pvstate = 1;
	}
	pvname.s = p;
	if(*p == PV_MARKER) {
		p++;
		if(pvstate==1)
		{
			if(*p!=PV_RNBRACKET)
				goto error;
			p++;
		}
		e->getf = pv_get_marker;
		e->type = PVT_MARKER;
		pvname.len = 1;
		goto done_all;
	}

	if (*p==PV_LCBRACKET)
	{ /* context definition*/
		p++;
		pvcontext.s = p;

		while(is_in_str(p,in) && is_pv_valid_char(*p))
			p++;

		if(*p != PV_RCBRACKET)
		{
			LM_ERR("Expected to find the end of the context\n");
			return 0;
		}
		pvcontext.len = p - pvcontext.s;