Objeck Documentation

All Bundles

Bundle CSV parsing and generation. CsvParser reads delimited text into typed rows and columns; CsvWriter builds CSV output. Supports custom delimiters and quoted fields. Compile with -lib csv.

CsvRow

CSV row

Example

csv := CsvTable->New(FileReader->ReadFile("data.csv"));
row := csv->Get(0);
row->Get(0)->PrintLine();       # by index
row->Get("name")->PrintLine();  # by column name
row->Size()->PrintLine();       # column count

Operations

New
Append
Average
Get
Id
Median
Set
Size
Sum
ToJson
ToString

Append #

Appends value to the end of the row

method : public : Append(value:String) ~ Nil

Parameters

Name	Type	Description
value	String	to append

Example

csv := CsvTable->New("name,age\r\nAlice,30");
row := csv->Get(1);
row->Append("engineer");
Console->PrintLine(row->Size());

Average #

Calculates the row average

method : public : Average() ~ Float

Return

Type	Description
Float	row average

Example

csv := CsvTable->New("a,b,c\r\n10,20,30");
row := csv->Get(1);
Console->PrintLine(row->Average());

Average #

Calculates the row average

method : public : Average(end:Int) ~ Float

Parameters

Name	Type	Description
end	Int	ending column

Return

Type	Description
Float	row average

Average #

Calculates the row average

method : public : Average(start:Int, end:Int) ~ Float

Parameters

Name	Type	Description
start	Int	starting column
end	Int	ending column

Return

Type	Description
Float	row average

Get #

Gets the indexed row value

method : public : Get(index:Int) ~ String

Parameters

Name	Type	Description
index	Int	index

Return

Type	Description
String	row value

Example

csv := CsvTable->New("name,age\r\nAlice,30\r\nBob,25");
row := csv->Get(1);
row->Get(0)->PrintLine();
row->Get(1)->PrintLine();

Get #

Gets the indexed row value

method : public : Get(name:String) ~ String

Parameters

Name	Type	Description
name	String	name

Return

Type	Description
String	row value

Example

csv := CsvTable->New("name,age\r\nAlice,30\r\nBob,25");
row := csv->Get(1);
row->Get("name")->PrintLine();
row->Get("age")->PrintLine();

Id #

Gets the row ID

method : public : Id() ~ Int

Return

Type	Description
Int	id

Example

csv := CsvTable->New("name,age\r\nAlice,30\r\nBob,25");
row := csv->Get(1);
Console->PrintLine(row->Id());

Median #

Calculates the row median

method : public : Median() ~ Float

Return

Type	Description
Float	row median

Example

csv := CsvTable->New("a,b,c,d\r\n1,3,5,7");
row := csv->Get(1);
Console->PrintLine(row->Median());

New # constructor

Constructor

New(table:CsvTable, id:Int, read_only:Bool, columns:CompareVector<String>)

Parameters

Name	Type	Description
table	CsvTable	table that has row
id	Int	row id
read_only	Bool	true if readonly, false otherwise
columns	CompareVector<String>	column values

Set #

Sets the indexed row value

method : public : Set(index:Int, value:String) ~ Bool

Parameters

Name	Type	Description
index	Int	index
value	String	value to set

Return

Type	Description
Bool	true of value was set, false otherwise

Example

csv := CsvTable->New("name,score\r\nAlice,0\r\nBob,0");
row := csv->Get(1);
row->Set(1, "95");
row->Get(1)->PrintLine();

Set #

Sets the named row value

method : public : Set(name:String, value:String) ~ Bool

Parameters

Name	Type	Description
name	String	name
value	String	value

Return

Type	Description
Bool	true of value was set, false otherwise

Example

csv := CsvTable->New("name,score\r\nAlice,0\r\nBob,0");
row := csv->Get(1);
row->Set("score", "88");
row->Get("score")->PrintLine();

Size #

Gets the row size

method : public : Size() ~ Int

Return

Type	Description
Int	row size

Example

csv := CsvTable->New("a,b,c\r\n1,2,3");
row := csv->Get(1);
Console->PrintLine(row->Size());

Sum #

Calculates the row sum

method : public : Sum() ~ Float

Return

Type	Description
Float	row sum

Example

csv := CsvTable->New("a,b,c\r\n10,20,30");
row := csv->Get(1);
Console->PrintLine(row->Sum());

Sum #

Calculates the row sum

method : public : Sum(end:Int) ~ Float

Parameters

Name	Type	Description
end	Int	ending column

Return

Type	Description
Float	row sum

Sum #

Calculates the row sum

method : public : Sum(start:Int, end:Int) ~ Float

Parameters

Name	Type	Description
start	Int	starting column
end	Int	ending column

Return

Type	Description
Float	row sum

ToJson #

Formats the row into a JSON object string

method : public : ToJson() ~ String

Return

Type	Description
String	JSON object string

Example

csv := CsvTable->New("name,age\r\nAlice,30");
row := csv->Get(1);
row->ToJson()->PrintLine();

ToString #

Formats the row into a string

method : public : ToString() ~ String

Return

Type	Description
String	string representation of the row

Example

csv := CsvTable->New("name,age\r\nAlice,30");
row := csv->Get(1);
row->ToString()->PrintLine();