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lib/file: Implement broken file functions

Soda
Shwoomple 2022-09-30 11:02:46 +05:30
parent c1d7801436
commit 3449e3b9c4
4 changed files with 20 additions and 19 deletions
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2
src/lib/error.hpp
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@ -93,7 +93,7 @@ namespace ErrorCodes {
//file errors
const uint8_t FILE_READ_FAILED = 9;
const uint8_t FILE_NOT_FOUND = 10;
const uint8_t FILE_NOT_FOUND = 10;brea
const uint8_t UNIMPLEMENTED = 254;

29
src/lib/file.cpp
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@ -26,6 +26,14 @@
#include "error.h"
File::File(std::string path, char mode, uint64_t cursorPosition): mode(mode), path(path), cursorPosition(cursorPosition){
try{
std::filesystem::path filePath = path;
this->size = ErrorOr<uint64_t>(std::filesystem::file_size(filePath));
}catch(std::exception e){
this->size = ErrorOr<uint64_t>(true, ErrorCodes::FILE_NOT_FOUND);
}
switch(this->mode){
case 'w':
case 'm':
@ -41,13 +49,6 @@ File::File(std::string path, char mode, uint64_t cursorPosition): mode(mode), pa
default:
break;
}
try{
std::filesystem::path filePath = path;
this->size = ErrorOr<uint64_t>(std::filesystem::file_size(filePath));
}catch(std::exception e){
this->size = ErrorOr<uint64_t>(true, ErrorCodes::FILE_NOT_FOUND);
}
}
File::File(const File& file){
@ -158,14 +159,14 @@ ErrorOr<tiny_utf8::string> File::readString(uint64_t bytes){
return ErrorOr<tiny_utf8::string>(tiny_utf8::string(s));
}
ErrorOr<File*> File::open(std::string path, char mode, uint64_t startPosition){
File *file = new File(path, mode, startPosition);
file->isOpen = true;
file->eof = false;
ErrorOr<File> File::open(std::string path, char mode, uint64_t startPosition){
File file(path, mode, startPosition);
file.isOpen = true;
file.eof = false;
if(file->size.isError){
return ErrorOr<File*>(true, file->size.errorCode); //if file is not found
if(file.size.isError){
return ErrorOr<File>(true, file.size.errorCode); //if file is not found
}
return ErrorOr<File*>(file);
return ErrorOr<File>(file);
}

2
src/lib/file.hpp
View File

@ -94,5 +94,5 @@ class File {
//
// A startPosition of 0xFFFFFFFF is considered to be the end of
// the file whatever its size.
static ErrorOr<File*> open(std::string path, char mode, uint64_t startPosition=0);
static ErrorOr<File> open(std::string path, char mode, uint64_t startPosition=0);
};

6
src/test/file.cpp
View File

@ -21,11 +21,11 @@ int main(){
std::cout << "################################################################################" << std::endl;
std::cout << "File tests" << std::endl;
std::cout << "################################################################################" << std::endl;
File *file;
File file;
//read test
file = File::open("../../resources/unicode_data/normal_utf-8", 'r').value;
tiny_utf8::string data = file->readString(file->size.value).value;
std::cout << file->size.isError << std::endl;
tiny_utf8::string data = file.readString(file.size.value).value;
std::cout << file.size.isError << std::endl;
std::cout << data << std::endl;
}