Function xo_format_value

tools/libxo/libxo/libxo.c:4281–4626

#endif /* 0 */

static void
xo_format_value (xo_handle_t *xop, const char *name, ssize_t nlen,
		 const char *value, ssize_t vlen,
		 const char *fmt, ssize_t flen,
		 const char *encoding, ssize_t elen, xo_xff_flags_t flags)
{
    int pretty = XOF_ISSET(xop, XOF_PRETTY);
    int quote;

    /*
     * Before we emit a value, we need to know that the frame is ready.
     */
    xo_stack_t *xsp = &xop->xo_stack[xop->xo_depth];

    if (flags & XFF_LEAF_LIST) {
	/*
	 * Check if we've already started to emit normal leafs
	 * or if we're not in a leaf list.
	 */
	if ((xsp->xs_flags & (XSF_EMIT | XSF_EMIT_KEY))
	    || !(xsp->xs_flags & XSF_EMIT_LEAF_LIST)) {
	    char nbuf[nlen + 1];
	    memcpy(nbuf, name, nlen);
	    nbuf[nlen] = '\0';

	    ssize_t rc = xo_transition(xop, 0, nbuf, XSS_EMIT_LEAF_LIST);
	    if (rc < 0)
		flags |= XFF_DISPLAY_ONLY | XFF_ENCODE_ONLY;
	    else
		xop->xo_stack[xop->xo_depth].xs_flags |= XSF_EMIT_LEAF_LIST;
	}

	xsp = &xop->xo_stack[xop->xo_depth];
	if (xsp->xs_name) {
	    name = xsp->xs_name;
	    nlen = strlen(name);
	}

    } else if (flags & XFF_KEY) {
	/* Emitting a 'k' (key) field */
	if ((xsp->xs_flags & XSF_EMIT) && !(flags & XFF_DISPLAY_ONLY)) {
	    xo_failure(xop, "key field emitted after normal value field: '%.*s'",
		       nlen, name);

	} else if (!(xsp->xs_flags & XSF_EMIT_KEY)) {
	    char nbuf[nlen + 1];
	    memcpy(nbuf, name, nlen);
	    nbuf[nlen] = '\0';

	    ssize_t rc = xo_transition(xop, 0, nbuf, XSS_EMIT);
	    if (rc < 0)
		flags |= XFF_DISPLAY_ONLY | XFF_ENCODE_ONLY;
	    else
		xop->xo_stack[xop->xo_depth].xs_flags |= XSF_EMIT_KEY;

	    xsp = &xop->xo_stack[xop->xo_depth];
	    xsp->xs_flags |= XSF_EMIT_KEY;
	}