Pseudo Code Generator

City Data Reader Function

This pseudo code defines a function that reads city data from a file, processes each line to extract city information, and stores the data in a vector of `City` objects, enabling easy management and access to city data.

Prompt

vector readFile(string FileName){
    ifstream fin(FileName);
    string s;
    getline(fin, s);
    vector vec;  
    while (getline(fin, s)){
        istringstream iss(s);
        City newCity;
        getline(iss, newCity.name, ',');
        string temp;
        getline(iss, temp, ',');
        newCity.lat = stof(temp);
        getline(iss, temp, '\n');
        newCity.lng = stof(temp);
        vec.push_back(newCity);
    }
    return vec;
}

Answer

Pseudo Code for Reading City Data from a File

Function Overview

The following pseudo code describes a function that reads city data from a specified file, processes the data, and stores it in a vector of City objects. Each line of the file contains information about a city including its name, latitude, and longitude.

Input

FileName: a string representing the name of the file containing city data.

Output

A vector of City objects populated with data read from the file.

Pseudo Code

FUNCTION readFile(FileName: STRING) RETURNS VECTOR
    DECLARE fin AS INPUT_FILE_STREAM
    OPEN fin WITH FileName
    DECLARE s AS STRING
    READ LINE FROM fin INTO s  // Skip the header or first line
    DECLARE vec AS VECTOR

    WHILE (READ LINE FROM fin INTO s)
        DECLARE iss AS INPUT_STRING_STREAM FROM s
        DECLARE newCity AS City
        
        READ LINE FROM iss INTO newCity.name UNTIL ','  // Read city name
        DECLARE temp AS STRING
        READ LINE FROM iss INTO temp UNTIL ','  // Read latitude as string
        newCity.lat = CONVERT temp TO FLOAT  // Convert string to float for latitude
        
        READ LINE FROM iss INTO temp UNTIL NEW_LINE  // Read longitude as string
        newCity.lng = CONVERT temp TO FLOAT  // Convert string to float for longitude

        ADD newCity TO vec  // Store the new city in the vector
    END WHILE

    RETURN vec  // Return the vector containing all cities
END FUNCTION

Explanation of Key Components

File Handling: Opens a file to read city data.
String Handling: Uses string streams to parse city data from lines of text.
Data Conversion: Converts latitude and longitude from strings to floating-point numbers.
Data Storage: Uses a vector to store instances of City, enabling dynamic growth as cities are added.
Return Value: The function returns the populated vector after reading all the data.

This pseudo code serves as a structured representation of the logic implemented in the original C++ function, providing clarity and understanding of the underlying processes involved in reading and processing city data from a file.

Description

This pseudo code defines a function that reads city data from a file, processes each line to extract city information, and stores the data in a vector of City objects, enabling easy management and access to city data.