gistfile1.m

//
//  main.m
//  fccRadioListParser
//
//  Created by Zachry Thayer on 11/14/11.
//  Copyright (c) 2011 Zachry Thayer. All rights reserved.
//

#import <Foundation/Foundation.h>

#import "JSONKit.h"

#define kFCCStationsFile @"FCCStations.txt"
#define kCountryCodesToNamesFile @"countryCodesToNames.json"
#define kStateCodesToNamesFile @"stateCodesToNames.json"


enum FCCIndexes{
    Callsign = 0,
    Frequency,
    Service,
    Channel,
    DirectionalAntennaDAorNonDirectionalND,
    NotUsedforFM,
    FMStationClass,
    NotUsedforFM2,
    FMStatus,
    City,
    State,
    Country,
    FileNumberApplicationConstructionPermitorLicenseorDocketNumberRulemaking,
    EffectiveRadiatedPower__horizontallypolarizedmaximum,
    EffectiveRadiatedPower__verticallypolarizedmaximum,
    AntennaHeightAboveAverageTerrainHAAT__horizontalpolarization,
    AntennaHeightAboveAverageTerrainHAAT__verticalpolarization,
    FacilityIDNumberuniquetoeachstation,
    NorthOrSouthLatitude,
    DegreesLatitude,
    MinutesLatitude,
    SecondsLatitude,
    WestOrEastLongitude,
    DegreesLongitude,
    MinutesLongitude,
    SecondsLongitude,
    LicenseeorPermittee,
    Kilometersdistantradiusfromenteredlatitude,longitude,
    MilesDistantRadius,
    Azimuth,
    AntennaRadiationCenterAboveMeanSeaLevelRCAMSL_HorizontallyPolarized_meters,
    AntennaRadiationCenterAboveMeanSeaLevelRCAMSL_VerticallyPolarized_meters,
    DirectionalAntennaIDNumber,
    DirectionalAntennaPatternRotation,
    AntennaStructureRegistrationNumber,
    ApplicationID,
    FCCComponentsCount
};

inline double decimalDegrees(double degrees, double minutes, double seconds){
    return  degrees + minutes/60.f + seconds/3600.f;
}

NSDictionary *countryCodesToNames = nil;
NSDictionary *stateCodesToNames = nil;

NSString *getCountryNameFromCode(NSString* countryCode);
NSString *getCountryNameFromCode(NSString* countryCode){
    
    // if first lookup load DB
    if (!countryCodesToNames) {
        NSData *countryCodesToNamesData = [NSData dataWithContentsOfFile:kCountryCodesToNamesFile];
        countryCodesToNames = [countryCodesToNamesData objectFromJSONData];
    }

    return [countryCodesToNames objectForKey:countryCode];
}

NSString *getStateNameFromCode(NSString* stateCode);
NSString *getStateNameFromCode(NSString* stateCode){
    
    // if first lookup load DB
    if (!stateCodesToNames) {
        NSData *stateCodesToNames = [NSData dataWithContentsOfFile:kStateCodesToNamesFile];
        stateCodesToNames = [stateCodesToNames objectFromJSONData];
    }
    
    return [stateCodesToNames objectForKey:stateCode];
}


void cleanup();
void cleanup(){
    
    if (countryCodesToNames) {
        countryCodesToNames = nil;//let arc cleanup
    }
    
}

int main (int argc, const char * argv[])
{

    @autoreleasepool {
        
        NSString *fccStationsText = [NSString stringWithContentsOfFile:kFCCStationsFile encoding:NSUTF8StringEncoding error:nil];
        
        if (!fccStationsText) {
            return -1;//Fail
        }
        
        NSMutableDictionary *fccStations = [NSMutableDictionary dictionary];
        
        NSMutableDictionary *currentCountry = nil;
        
        [fccStationsText enumerateLinesUsingBlock:^(NSString *line, BOOL *stop){
                        
            NSArray *lineComponents = [line componentsSeparatedByString:@"|"];
            
            if (!lineComponents && [lineComponents count] == FCCComponentsCount) {
                return;//Skip to next line, this one is invalid
            }
            
            NSMutableDictionary *thisStation = [NSDictionary dictionary];

            
            [thisStation setObject:[lineComponents objectAtIndex:Callsign] forKey:@""];
            
            currentCountry = [fccStations
                        
        }];
        
    }
    
    cleanup();
    
    return 0;
}