Answered: Write in C++ When you're processing…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Write in C++

When you're processing data, it’s useful to break up a text string into pieces using a delimiter. Write a function split() that takes a string, splits it at every occurrence of a delimiter, and then populates an array of strings with the split pieces, up to the provided maximum number of pieces.

Function specifications:

Name: split()
Parameters (Your function should accept these parameters IN THIS ORDER):
- input_string string: The text string containing data separated by a delimiter
- separator char: The delimiter marking the location where the string should be split up
- arr string array: The array that will be used to store the input text string's individual string pieces
- arr_size int: The number of elements that can be stored in the array
Return Value: int: The number of pieces the input text string was split into

Note:

No input will have delimiters in the beginning or the end of the string. (Eg: ",apple, orange" OR "apple, orange,")
No input will have multiple delimiters added consecutively. (Eg: "apple,,,orange,banana")
If the delimiter character is not found, then the function returns 1 and the entire string is placed in the array as the first element.
If the string is split into more pieces than the size of the array (the last parameter), then the function returns -1. The array should be filled with as many pieces of the split string as is possible.
If an empty string is provided then return 0.

When you're processing data, it's useful to break up a text string into pieces using a delimiter. Write a function split() that takes a string,
splits it at every occurrence of a delimiter, and then populates an array of strings with the split pieces, up to the provided maximum number
of pieces.
Function specifications:
• Name: split()
• Parameters (Your function should accept these parameters IN THIS ORDER):
input_string string: The text string containing data separated by a delimiter
o separator char : The delimiter marking the location where the string should be split up
o arr string array: The array that will be used to store the input text string's individual string pieces
o arr_size int: The number of elements that can be stored in the array
• Return Value: int: The number of pieces the input text string was split into
Note:
O
• No input will have delimiters in the beginning or the end of the string. (Eg: ",apple, orange" OR "apple, orange,")
• No input will have multiple delimiters added consecutively. (Eg: "apple,,,orange, banana")
• If the delimiter character is not found, then the function returns 1 and the entire string is placed in the array as the first element.
• If the string is split into more pieces than the size of the array (the last parameter), then the function returns -1. The array should be
filled with as many pieces of the split string as is possible.
●
If an empty string is provided then return 0.

Function Call
string test case
char separator
int arr_size = 3;
string arr[size];
// num_splits is the value returned by split
int num_splits =
split(testcase, separator, arr, arr_size);
cout << "Function returned value: " << num_splits << endl;
cout << "arr[0]:"<< arr[0] << endl;
Output
Sample run 2:
"ABCDEFG";
I
Function Call
Function returned value: 1
arr [0] ABCDEFG
;
string testcase = "RST, UVW, XYZ" ;
char separator = ',';
int arr_size = 3;
string arr[size];
// num_splits is the value returned by split
int num_splits
split(testcase, separator, arr, arr_size);
cout << "Function returned value: " << num_splits << endl;
for (int i=0; i < size; i++){
cout << "arr["<< i << "]:" << arr[i] << endl;
}

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