Finish assignment 5 with HTML Converter. (This one is actually really neat!)

assignmentFive/htmlConvert.cpp

@@ -12,6 +12,8 @@ Dependencies: ???
 #include <cstdio>
 #include <cstdlib>
 #include <iostream>
+#include <fstream>
+#include <filesystem>
 #include <cstring>
 #include <vector>
 #include <random>
@@ -27,14 +29,75 @@ using namespace std;
 // main program
 int main(int argc, char **argv)
 {
+    string fileName;
+    filesystem::path filePath;
+    ifstream inputFile;
+    ofstream outputFile;
+    char currentChar;
     // menu for user
+    cout << "CPP to HTML Converter" << endl;
     
     // ask the user for a cpp file. (check to see if valid?)
+    cout << "Please enter a CPP source file: ";
+    cin >> fileName;
+
+    // check if the file has the .cpp extension
+    filePath = fileName;
+    if(filePath.extension() != ".cpp" && filePath.extension() != ".cp" && 
+       filePath.extension() != ".C" && filePath.extension() != ".cc")
+    {
+        cout << "Invalid File, please enter something else and try again." << endl;
+        return -1;
+    }
+
+    // check if the file exists
+    if(!filesystem::exists(fileName))
+    {
+        cout << "File is valid, but does not exist." << endl;
+        return -1;
+    }
+
+    // the file exists, start the parsing according to the comment below.
+    inputFile.open(fileName);
+    outputFile.open(filePath.replace_extension(".html"));
     
     // add the <pre> tag, read each character, check to see if the character is one that needs to be
     // modified, like '<' and '>' and turned into '&lt;' and '&gt;' once at the end of input file,
     // add the </pre> tag, and output to a new html file that uses the file name 
     // and rids itself of everything after the dot and replaces it with '.html' and writes it out.
+
+    // add the '<pre>' tag to the output file
+    outputFile << "<pre>" << endl;
+    // read in the characters one at a time, check if the character is a '<' or a '>' and replace.
+    currentChar = inputFile.get();
+    // outputFile << (char)inputFile.get();
+    while(!inputFile.eof())
+    {
+        if(currentChar == '<' || currentChar == '>')
+        {
+            //
+            if(currentChar == '<')
+            {
+                outputFile << "&lt;";
+            }
+            else
+            {
+                outputFile << "&gt;";
+            }
+        }
+        else
+        {
+            outputFile << currentChar;
+        }
+        currentChar = inputFile.get();
+        // outputFile << (char)inputFile.get();
+    }
+    // add the '</pre> tag to the output file
+    outputFile << "</pre>";
+
+    // close the input and output files
+    inputFile.close();
+    outputFile.close();
     
     // return 0
     return 0;