Method matchAt

CodenameOne/src/com/codename1/util/regex/RE.java:1263–1292

(int i)

    ///
    /// True if the input matched the expression
    protected boolean matchAt(int i) {
        // Initialize start pointer, paren cache and paren count
        start0 = -1;
        end0 = -1;
        start1 = -1;
        end1 = -1;
        start2 = -1;
        end2 = -1;
        startn = null;
        endn = null;
        parenCount = 1;
        setParenStart(0, i);

        // Allocate backref arrays (unless optimizations indicate otherwise)
        if ((program.flags & REProgram.OPT_HASBACKREFS) != 0) {
            startBackref = new int[maxParen];
            endBackref = new int[maxParen];
        }

        // Match against string
        int idx;
        if ((idx = matchNodes(0, maxNode, i)) != -1) { //NOPMD AssignmentInOperand
            setParenEnd(0, idx);
            return true;
        }

        // Didn't match
        parenCount = 0;
        return false;
    }

    /// Matches the current regular expression program against a character array,
    /// starting at a given index.