Example: lr_paramarr_idx and lr_paramarr_len
This example shows how to get the last value from a parameter array.
int arrSize; int ord; char * FlightVal; web_reg_save_param("outFlightVal", "LB=outboundFlight value=", "RB=>", "ORD=ALL", "SaveLen=18", LAST ); web_submit_form("reservations.pl", "Snapshot=t4.inf", ITEMDATA, "Name=depart", "Value=London", ENDITEM, "Name=departDate", "Value=08/16/2015", ENDITEM, "Name=arrive", "Value=New York", ENDITEM, "Name=returnDate", "Value=08/16/2015", ENDITEM, "Name=numPassengers", "Value=1", ENDITEM, "Name=roundtrip", "Value=<OFF>", ENDITEM, "Name=seatPref", "Value=None", ENDITEM, "Name=seatType", "Value=Coach", ENDITEM, "Name=findFlights.x", "Value=83", ENDITEM, "Name=findFlights.y", "Value=16", ENDITEM, LAST );
Example: The result of the web_reg_save_param having been called before the web_submit_form is:
Notify: Saving Parameter "outFlightVal_1 = 230;378;08/16/2015"
Notify: Saving Parameter "outFlightVal_2 = 231;337;08/16/2015"
Notify: Saving Parameter "outFlightVal_3 = 232;357;08/16/2015"
Notify: Saving Parameter "outFlightVal_4 = 233;309;08/16/2015"
Notify: Saving Parameter "outFlightVal_count = 4"
arrSize = lr_paramarr_len("outFlightVal"); FlightVal = lr_paramarr_idx("outFlightVal", arrSize);
Example: Output: FlightVal contains the value "233;309;08/16/2015".
// Submit a unique web request for each FlightVal in the Parameter array for (ord=1; ord <= arrSize; ++ord) { lr_save_string (lr_paramarr_idx("outFlightVal", ord), "flighVal"); web_url("reservations.lookup", "URL=http://{host}/reservations/lookup?resvKey={flighVal}", "Resource=0", "RecContentType=text/html", "Referer=", "Mode=HTML", LAST); }
Example:
Requests will be made to:
http://{host}/reservations/lookup?resvKey=230;378;08/16/2015
http://{host}/reservations/lookup?resvKey=231;337;08/16/2015
http://{host}/reservations/lookup?resvKey=232;357;08/16/2015
http://{host}/reservations/lookup?resvKey=233;309;08/16/2015