Examples with Prefix_set_elemContext org.batfish.grammar.cisco.CiscoParser.Prefix_set_elemContext used on opensource projects

Example 1 with Prefix_set_elemContext

use of org.batfish.grammar.cisco.CiscoParser.Prefix_set_elemContext in project batfish by batfish.

the class CiscoControlPlaneExtractor method toRoutePolicyPrefixSet.

private RoutePolicyPrefixSet toRoutePolicyPrefixSet(Rp_prefix_setContext ctx) {
    if (ctx.name != null) {
        // named
        String name = ctx.name.getText();
        int expressionLine = ctx.name.getStart().getLine();
        return new RoutePolicyPrefixSetName(name, expressionLine);
    } else {
        // inline
        PrefixSpace prefixSpace = new PrefixSpace();
        Prefix6Space prefix6Space = new Prefix6Space();
        boolean ipv6 = false;
        for (Prefix_set_elemContext pctxt : ctx.elems) {
            int lower;
            int upper;
            Prefix prefix = null;
            Prefix6 prefix6 = null;
            if (pctxt.prefix != null) {
                prefix = Prefix.parse(pctxt.prefix.getText());
                lower = prefix.getPrefixLength();
                upper = Prefix.MAX_PREFIX_LENGTH;
            } else if (pctxt.ipa != null) {
                prefix = new Prefix(toIp(pctxt.ipa), Prefix.MAX_PREFIX_LENGTH);
                lower = prefix.getPrefixLength();
                upper = Prefix.MAX_PREFIX_LENGTH;
            } else if (pctxt.ipv6a != null) {
                prefix6 = new Prefix6(toIp6(pctxt.ipv6a), Prefix6.MAX_PREFIX_LENGTH);
                lower = prefix6.getPrefixLength();
                upper = Prefix6.MAX_PREFIX_LENGTH;
            } else if (pctxt.ipv6_prefix != null) {
                prefix6 = new Prefix6(pctxt.ipv6_prefix.getText());
                lower = prefix6.getPrefixLength();
                upper = Prefix6.MAX_PREFIX_LENGTH;
            } else {
                throw new BatfishException("Unhandled alternative");
            }
            if (pctxt.minpl != null) {
                lower = toInteger(pctxt.minpl);
            }
            if (pctxt.maxpl != null) {
                upper = toInteger(pctxt.maxpl);
            }
            if (pctxt.eqpl != null) {
                lower = toInteger(pctxt.eqpl);
                upper = lower;
            }
            if (prefix != null) {
                prefixSpace.addPrefixRange(new PrefixRange(prefix, new SubRange(lower, upper)));
            } else {
                prefix6Space.addPrefix6Range(new Prefix6Range(prefix6, new SubRange(lower, upper)));
                ipv6 = true;
            }
        }
        if (ipv6) {
            return new RoutePolicyInlinePrefix6Set(prefix6Space);
        } else {
            return new RoutePolicyInlinePrefixSet(prefixSpace);
        }
    }
}