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authorrPatrickWarner <[email protected]>2024-05-08 08:08:07 -0700
committerrPatrickWarner <[email protected]>2024-05-08 08:08:07 -0700
commit89a0a6d6944c3de560c0e06098340f02af0c3ab3 (patch)
tree62f1d8b0471081ac953ce6c11a3916a83ceb097f
parentalmost complete. decode and encode improvements (diff)
downloadhomework-1-reecepwarner-89a0a6d6944c3de560c0e06098340f02af0c3ab3.tar.xz
homework-1-reecepwarner-89a0a6d6944c3de560c0e06098340f02af0c3ab3.zip
more changes to encode/decode
-rw-r--r--CST 126/Homework2/Base64Conversion.hpp49
-rw-r--r--CST 126/Homework2/Base64Helper.hpp12
-rw-r--r--CST 126/Homework2/destination_file.txt2
-rw-r--r--CST 126/Homework2/main.cpp10
-rw-r--r--CST 126/Homework2/nextdest.txtbin132 -> 128 bytes
5 files changed, 32 insertions, 41 deletions
diff --git a/CST 126/Homework2/Base64Conversion.hpp b/CST 126/Homework2/Base64Conversion.hpp
index 1458d29..16e414f 100644
--- a/CST 126/Homework2/Base64Conversion.hpp
+++ b/CST 126/Homework2/Base64Conversion.hpp
@@ -3,28 +3,26 @@
#include "Base64Helper.hpp"
#include <bitset>
#include <vector>
-
+#include <string>
char CharacterMapArray[] = { 'A', 'B','C', 'D', 'E', 'F','G', 'H' , 'I', 'J','K', 'L' ,
'M', 'N','O', 'P', 'Q', 'R','S', 'T', 'U', 'V','W', 'X', 'Y', 'Z',
'a', 'b', 'c', 'd','e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x','y', 'z',
'0', '1', '2', '3','4', '5', '6', '7','8', '9', '/', '+'};
-
-inline char* Base64Encode(char* buffer, const size_t& size)
+std::string Base64Encode(char* buffer, const size_t& size)
{
- size_t firstvalue, secondvalue, thirdvalue, fourthvalue = 0;
-
+ uint8_t firstvalue, secondvalue, thirdvalue, fourthvalue = 0;
- std::vector<char>TempBuff = {};
-
- for (auto i = 0, j = 0; i < size; i+=3, j+=4)
+ std::string TempBuff = {};
+
+ for (auto i = 0, j = 0; i < size; i += 3, j += 4)
{
-
+
firstvalue = buffer[i] & 0x3f;
secondvalue = ((buffer[i] >> 6) ^ (buffer[i + 1] << 2));
secondvalue &= 0x3f;
-
+
thirdvalue = ((buffer[i + 1] >> 4) ^ (buffer[i + 2] << 4));
thirdvalue &= 0x3f;
fourthvalue = (buffer[i + 2] >> 2);
@@ -36,25 +34,14 @@ inline char* Base64Encode(char* buffer, const size_t& size)
TempBuff.push_back(CharacterMapArray[thirdvalue]);
TempBuff.push_back(CharacterMapArray[fourthvalue]);
}
-
- size_t NewSize = TempBuff.size();
- buffer = nullptr;
-
- buffer = new char[NewSize];
- for (auto i = 0; i < NewSize; i++)
- {
- buffer[i] = TempBuff[i];
- std::cout << buffer[i];
- }
-
- return buffer;
+ return TempBuff;
}
-inline char* Base64Decode(char* buffer, const size_t size)
+std::string Base64Decode(char* buffer, const size_t size)
{
- std::vector<char> TempBuffer = {};
- size_t firstvalue, secondvalue, thirdvalue = 0;
+ std::string TempBuffer = {};
+ uint8_t firstvalue, secondvalue, thirdvalue = 0;
for (auto i = 0u; i < size; i++)
{
@@ -76,20 +63,18 @@ inline char* Base64Decode(char* buffer, const size_t size)
TempBuffer.push_back(secondvalue);
TempBuffer.push_back(thirdvalue);
}
- size_t NewSize = TempBuffer.size();
-
- buffer = nullptr;
-
- buffer = new char[NewSize];
+ //size_t NewSize = TempBuffer.size();
+ /*buffer = new char[NewSize];
+
for (auto i = 0; i < NewSize; i++)
{
buffer[i] = TempBuffer[i];
std::cout << buffer[i];
- }
+ }*/
- return buffer;
+ return TempBuffer;
}
#endif \ No newline at end of file
diff --git a/CST 126/Homework2/Base64Helper.hpp b/CST 126/Homework2/Base64Helper.hpp
index 990d1a0..744707f 100644
--- a/CST 126/Homework2/Base64Helper.hpp
+++ b/CST 126/Homework2/Base64Helper.hpp
@@ -74,7 +74,7 @@ inline char* ReadFileAsBinary(const char* fileName, char* buffer, const size_t&
}
}
-inline bool WriteFileFromBinary(const size_t& size, const char* fileName, const char* buffer)
+inline bool WriteFileFromBinary(const size_t& size, const char* fileName, char* buffer, std::string fileContents)
{
try
{
@@ -86,6 +86,14 @@ inline bool WriteFileFromBinary(const size_t& size, const char* fileName, const
std::cerr << "Could not open file for binary output: " << fileName;
}
+ size_t NewSize = fileContents.size();
+
+ buffer = new char[NewSize];
+
+ for (auto i = 0u; i < NewSize; i++)
+ {
+ buffer[i] = fileContents[i];
+ }
File.write(buffer, size);
File.close();
@@ -104,7 +112,7 @@ inline bool WriteFileFromBinary(const size_t& size, const char* fileName, const
return false;
}
-inline bool WriteTextToFile(const char* fileName, const char* fileContents)
+inline bool WriteTextToFile(const char* fileName, std::string fileContents/*const char* fileContents*/)
{
std::ofstream File(fileName);
diff --git a/CST 126/Homework2/destination_file.txt b/CST 126/Homework2/destination_file.txt
index 52dc435..e94188b 100644
--- a/CST 126/Homework2/destination_file.txt
+++ b/CST 126/Homework2/destination_file.txt
@@ -1 +1 @@
-0VGe0BCdvBCdlNHdg8Wd0BiYp5WYylHImlGblBiZ152Y0l2buNXDKM3btVGIt9mclBydvJHZzBSYuRGIzRXdmZWDKM3btVGIt9mclBydvJHZzBiZvJHI0V2c0lmbnFS+��������|f�jŴ \ No newline at end of file
+0VGe0BCdvBCdlNHdg8Wd0BiYp5WYylHImlGblBiZ152Y0l2buNXDKM3btVGIt9mclBydvJHZzBSYuRGIzRXdmZWDKM3btVGIt9mclBydvJHZzBiZvJHI0V2c0lmbnFS+ \ No newline at end of file
diff --git a/CST 126/Homework2/main.cpp b/CST 126/Homework2/main.cpp
index 2f9d3d3..2e246ff 100644
--- a/CST 126/Homework2/main.cpp
+++ b/CST 126/Homework2/main.cpp
@@ -56,8 +56,8 @@ bool Worker()
Destination = InputFileName("\nWhat is the name of the file you wish to save the decoded information?: ");
size = SizeOfFile(MyFile);
buffer = ReadTextFromFile(MyFile, buffer);
- success = WriteFileFromBinary(size, Destination, Base64Decode(buffer, size));
- delete[] buffer;
+ success = WriteFileFromBinary(size, Destination, buffer, Base64Decode(buffer, size));
+ // delete[] buffer;
return true;
case'f':
std::cout << "Have a great day!" << std::endl;
@@ -94,10 +94,8 @@ bool Worker(char** argv)
buffer = new char[size];
buffer = ReadFileAsBinary(arg2, buffer, size);
-
- MyEncodedCharArray = Base64Encode(buffer, size);
- success = WriteTextToFile(arg3, MyEncodedCharArray);
+ success = WriteTextToFile(arg3, Base64Encode(buffer, size));
delete[] buffer;
@@ -105,7 +103,7 @@ bool Worker(char** argv)
case 'd':
buffer = new char[size];
buffer = ReadTextFromFile(arg2, buffer);
- success = WriteFileFromBinary(size, arg3, Base64Decode(buffer, size));
+ // success = WriteFileFromBinary(size, arg3, Base64Decode(buffer, size));
return true;
default:
std::cerr << "Error, invalid command option\n" <<
diff --git a/CST 126/Homework2/nextdest.txt b/CST 126/Homework2/nextdest.txt
index 15ee807..6a29c3a 100644
--- a/CST 126/Homework2/nextdest.txt
+++ b/CST 126/Homework2/nextdest.txt
Binary files differ