Objective-C

CSV Set Column Name

Demonstrates how to set the name of a column in a CSV. Objective-C

#import <CkoStringBuilder.h>
#import <CkoCsv.h>

BOOL success = NO;

//  We have the following CSV...

//  permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round
//  lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b
//  mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed
//  flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a
//  infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a
//  gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed

BOOL bCrlf = YES;
CkoStringBuilder *sb = [[CkoStringBuilder alloc] init];
[sb AppendLine: @"permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round" crlf: bCrlf];
[sb AppendLine: @"lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b" crlf: bCrlf];
[sb AppendLine: @"mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed" crlf: bCrlf];
[sb AppendLine: @"flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a" crlf: bCrlf];
[sb AppendLine: @"infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a" crlf: bCrlf];
[sb AppendLine: @"gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed" crlf: bCrlf];

CkoCsv *csv = [[CkoCsv alloc] init];

csv.HasColumnNames = YES;
success = [csv LoadFromString: [sb GetAsString]];

//  Get each column name..
int numCols = [csv.NumColumns intValue];
int i = 0;
while (i < numCols) {
    NSLog(@"%@",[csv GetColumnName: [NSNumber numberWithInt: i]]);
    i = i + 1;
}

NSLog(@"%@",@"---");

//  Change the "numEmps" column name to "employeeCount"
success = [csv SetColumnName: [NSNumber numberWithInt: 2] columnName: @"employeeCount"];

numCols = [csv.NumColumns intValue];
i = 0;
while (i < numCols) {
    NSLog(@"%@",[csv GetColumnName: [NSNumber numberWithInt: i]]);
    i = i + 1;
}

//  Use the updated column name...
NSLog(@"%@",@"---");
NSLog(@"%@",[csv GetCellByName: [NSNumber numberWithInt: 3] columnName: @"employeeCount"]);

//  Output should be:

//  permalink
//  company
//  numEmps
//  category
//  city
//  state
//  fundedDate
//  raisedAmt
//  raisedCurrency
//  round
//  ---
//  permalink
//  company
//  employeeCount
//  category
//  city
//  state
//  fundedDate
//  raisedAmt
//  raisedCurrency
//  round
//  ---
//  105