Added Reading/Writing Files with Bit String

Author: 3omar-mostafa

Utils/BinaryIO.h

@@ -4,20 +4,23 @@
 #include <fstream>
 #include <string>
 #include "Converter.h"
+#include <bit_string.h>
 
 namespace BinaryIO {
 
-    bool doesFileExist(const std::string &filename){
-        std::ifstream input(filename , std::ios::in | std::ios::binary);
+    static const uint32_t BYTE = 8;
+
+    bool doesFileExist(const std::string& filename) {
+        std::ifstream input(filename, std::ios::in | std::ios::binary);
         return input.good();
     }
 
-    int getFileSize(std::ifstream &input){
-        input.seekg(0 , std::ios::end);
+    int getFileSize(std::ifstream& input) {
+        input.seekg(0, std::ios::end);
         return input.tellg();
     }
 
-    int getFileSize(const std::string &filename){
+    int getFileSize(const std::string& filename) {
         std::ifstream input(filename);
         return getFileSize(input);
     }
@@ -42,6 +45,26 @@ namespace BinaryIO {
         return readString(filename, 0, getFileSize(filename));
     }
 
+    bit_string readBitString(const std::string& filename, int startPosition, int length) {
+        std::ifstream input(filename, std::ios::in | std::ios::binary);
+        bit_string fileData;
+        if (input) {
+            input.seekg(startPosition);
+            fileData.resize(length * BYTE);
+            input.read((char*) fileData.data(), fileData.length_in_bytes());
+            input.close();
+        }
+        return fileData;
+    }
+
+    bit_string readBitString(const std::string& filename, int startPosition) {
+        return readBitString(filename, startPosition, getFileSize(filename) - startPosition);
+    }
+
+    bit_string readBitString(const std::string& filename) {
+        return readBitString(filename, 0, getFileSize(filename));
+    }
+
 
     // Append binaryData to the end of the file for strings
     void write(const std::string& filename, const std::string& binaryData) {
@@ -53,6 +76,13 @@ namespace BinaryIO {
         output.close();
     }
 
+    // Append binaryData to the end of the file for strings
+    void write(const std::string& filename, const bit_string& binaryData) {
+        std::ofstream output(filename, std::ios::out | std::ios::binary | std::ios::app);
+        output.write((char*) binaryData.data(), binaryData.length_in_bytes());
+        output.close();
+    }
+
     // Append binaryData to the end of the file for integers
     void write(const std::string& filename, int binaryData) {