Function web_cdp_eval_string

ds4_web.c:764–785

}

static char *web_cdp_eval_string(cdp_ws *ws, const char *expr,
                                 char *err, size_t err_len) {
    char *qexpr = web_json_quote(expr);
    web_buf params = {0};
    web_buf_puts(&params, "{\"expression\":");
    web_buf_puts(&params, qexpr);
    web_buf_puts(&params, ",\"returnByValue\":true,\"awaitPromise\":true,\"includeCommandLineAPI\":true}");
    free(qexpr);
    char *params_s = web_buf_take(&params);
    char *resp = web_cdp_call(ws, "Runtime.evaluate", params_s, err, err_len);
    free(params_s);
    if (!resp) return NULL;
    if (strstr(resp, "\"exceptionDetails\"")) {
        web_set_err(err, err_len, "JavaScript evaluation failed");
        free(resp);
        return NULL;
    }
    char *val = web_json_get_string(resp, "value");
    free(resp);
    if (!val) web_set_err(err, err_len, "Runtime.evaluate did not return a string");
    return val;
}

static bool web_wait_ready(cdp_ws *ws, char *err, size_t err_len) {
    const char *expr = "document.readyState";