Start HW7

1 files changed, 166 insertions, 0 deletions

diff --git a/ee1301/wk7/hw7_directory/HouseDB.cpp b/ee1301/wk7/hw7_directory/HouseDB.cpp
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+++ b/ee1301/wk7/hw7_directory/HouseDB.cpp
@@ -0,0 +1,166 @@
+#include <iostream>
+#include <fstream>
+#include <string>
+
+using namespace std;
+class houseData {
+public:
+    //id,value,bedrooms,bathrooms,sqft,yr_built,zipcode
+    long int id = 0;
+    int price = 0;
+    int bedrooms = 0;
+    int bathrooms = 0;
+    int sqft = 0;
+    int yr_built = 0;
+    int zipcode = 0;
+    houseData *nextZip = nullptr;
+    void printShort();
+    void printRecord();
+
+    };
+
+void ProcHeader(ifstream &file); 
+houseData* ReadRecord(ifstream &file);
+void DelRecord(houseData *record);
+
+void printAllHousesByZip(houseData* head);
+
+int main(int argc, char* argv[]) {
+    // This line must be removed in your final 
+    // program (see HINT 1).
+    houseData* initHouseData[10];
+    
+    ifstream fin;
+    if(argc > 1) {
+        fin.open(argv[1]);  // Small file to test with
+    } else {
+        fin.open("./house-info-v4-short.csv");  // Small file to test with
+        //fin.open("./house-info-v4.csv");  // Use this file for final
+    }
+
+    if(fin.is_open()) {
+        ProcHeader(fin);  // Just dumps header
+
+        int numRec = 0;
+        while(!fin.eof()) {
+            houseData* tempHouse = ReadRecord(fin);
+            if(tempHouse != nullptr) {
+                //tempHouse->printRecord();
+                tempHouse->printShort();
+                initHouseData[numRec] = tempHouse;  // DO NOT store data like this!
+                numRec++;
+            }
+        }
+
+        // The following is just to show how printAllHousesByZip() works
+        // DO NOT use this method to organize your linked list!
+        houseData* head = initHouseData[2];
+        initHouseData[2]->nextZip = initHouseData[1];
+        initHouseData[1]->nextZip = initHouseData[3];
+        initHouseData[3]->nextZip = initHouseData[4];
+        initHouseData[4]->nextZip = initHouseData[0];
+
+        printAllHousesByZip(head);
+
+        //This loop will also have to change in your 
+        // final program (see HINT 1).
+        for(int a = 0; a<numRec ; a++) {  
+            DelRecord(initHouseData[a]);
+        }
+
+        fin.close();
+        
+    } else {
+        cout << "File missing!" << endl;
+        return 1;
+    }
+
+    return 0;
+}
+
+void ProcHeader(ifstream &file) {
+    int endOfHeader = 0;
+    char curChar;
+
+    while(!endOfHeader) {
+        curChar = file.get();
+
+        if (curChar == '\n') {
+            //End of line found
+            endOfHeader = 1;
+        }
+    }
+}
+
+houseData* ReadRecord(ifstream &file) {
+    int b = 0;
+    int endOfHeader = 0;
+    int c = 0;
+    long int tempData[7] = {0};
+    houseData* localHouseData = new houseData();
+    string tempString = " ";
+
+    while(!endOfHeader) {
+        char curChar;
+        
+        //Get the next character in file
+        curChar = file.get();
+        
+        //Check what the character is
+        if (curChar == EOF) {
+            return nullptr;
+        } else if (curChar == '\n') {
+            //Final symbol of row found: put in array and end loop
+            tempString.append(1,'\0');
+            tempData[c++] = stol(tempString);
+            endOfHeader = 1;
+        } else if (curChar == ',') {
+            //End of current symbol found: put in array
+            tempString.append(1,'\0');
+            tempData[c++] = stol(tempString);
+            tempString.clear();
+        } else {
+            // Append to array
+            tempString.append(1,curChar);
+            b++;
+        }
+    }
+
+    localHouseData->id = tempData[0];
+    localHouseData->price = tempData[1];
+    localHouseData->bedrooms = tempData[2];
+    localHouseData->bathrooms = tempData[3];
+    localHouseData->sqft = tempData[4];
+    localHouseData->yr_built = tempData[5];
+    localHouseData->zipcode = tempData[6];
+
+    return localHouseData;
+}
+
+void houseData::printRecord() {
+    cout <<  "Printing House Record:" << endl;
+    cout << "ID:" << id << endl;
+    cout << "Price:" << price << endl;
+    cout << "Bedrooms:" << bedrooms << endl;
+    cout << "Bathrooms:" << bathrooms << endl;
+    cout << "Square Feet:" << sqft << endl;
+    cout << "Year Built:" << yr_built << endl;
+    cout << "Zipcode:" << zipcode << endl;
+}
+
+void DelRecord(houseData *record) {
+    delete record;
+}
+
+void houseData::printShort() {
+    cout << id << "," << zipcode << endl;
+}
+
+void printAllHousesByZip(houseData* head){
+    cout << endl << "Printing List of All Houses by Zip:" << endl;
+    houseData* current = head;
+    while(current != nullptr) {
+        current->printShort();
+        current = current->nextZip;
+    }
+}
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