From 88f15e35713c9632216931d26443dc588238732f Mon Sep 17 00:00:00 2001
From: Syndamia <kamen@syndamia.com>
Date: Tue, 7 May 2024 22:17:12 +0300
Subject: [w10] Added rough solutions to ex 1-10

---
 week10/Exercise07/FileString.cpp | 43 ++++++++++++++++++++++++++
 week10/Exercise07/FileString.h   | 10 ++++++
 week10/Exercise07/String.cpp     | 67 ++++++++++++++++++++++++++++++++++++++++
 week10/Exercise07/String.h       | 23 ++++++++++++++
 4 files changed, 143 insertions(+)
 create mode 100644 week10/Exercise07/FileString.cpp
 create mode 100644 week10/Exercise07/FileString.h
 create mode 100644 week10/Exercise07/String.cpp
 create mode 100644 week10/Exercise07/String.h

(limited to 'week10/Exercise07')

diff --git a/week10/Exercise07/FileString.cpp b/week10/Exercise07/FileString.cpp
new file mode 100644
index 0000000..e3d601e
--- /dev/null
+++ b/week10/Exercise07/FileString.cpp
@@ -0,0 +1,43 @@
+#include "FileString.h"
+#include <fstream>
+
+FileString::FileString(const char* fileName) : String() {
+	this->fileName = fileName; // Конвертиращ конструктор!
+
+	std::ifstream inFile(fileName);
+	if (!inFile.is_open()) {
+		throw "Couldn't open file!";
+	}
+
+	while (!inFile.eof() && inFile.peek() != '\n') {
+		inFile.get();
+	}
+
+	if (inFile.eof()) {
+		inFile.seekg(0, std::ios::end);
+		this->length = inFile.peek();
+	}
+	else {
+		this->length = inFile.peek() - 1;
+	}
+
+	inFile.seekg(0, std::ios::beg);
+	str = new char[this->length + 1];
+	inFile.getline(str, this->length);
+	str[this->length] = '\0';
+
+	inFile.close();
+}
+
+void FileString::ChangeAt(unsigned index, char newValue) {
+	std::fstream file(fileName.GetPtr());
+	if (!file.is_open()) {
+		throw "Couldn't open file!";
+	}
+
+	file.seekp(index, std::ios::beg);
+	file.put(newValue);
+	str[index] = newValue;
+
+	file.close();
+}
diff --git a/week10/Exercise07/FileString.h b/week10/Exercise07/FileString.h
new file mode 100644
index 0000000..830dae9
--- /dev/null
+++ b/week10/Exercise07/FileString.h
@@ -0,0 +1,10 @@
+#pragma once
+#include "String.h"
+
+class FileString : String {
+	String fileName; // Така си спестяваме повторно писане на голяма петица
+
+public:
+	FileString(const char* fileName);
+	void ChangeAt(unsigned index, char newValue);
+};
diff --git a/week10/Exercise07/String.cpp b/week10/Exercise07/String.cpp
new file mode 100644
index 0000000..a9276c3
--- /dev/null
+++ b/week10/Exercise07/String.cpp
@@ -0,0 +1,67 @@
+#include "String.h"
+#include <cstring>
+
+void String::free() {
+	delete[] str;
+}
+
+void String::copyFrom(const String& other) {
+	this->length = other.length;
+	this->str = new char[strlen(other.str) + 1];
+	strcpy(this->str, other.str);
+}
+
+String::String(const char* str) {
+	this->length = strlen(str);
+	this->str = new char[this->length + 1];
+	strcpy(this->str, str);
+}
+
+String::String() {
+	this->str = nullptr;
+	this->length = 0;
+}
+
+String::~String() {
+	free();
+}
+
+String::String(const String& other) {
+	copyFrom(other);
+}
+
+String& String::operator=(const String& other) {
+	if (this != &other) {
+		free();
+		copyFrom(other);
+	}
+	return *this;
+}
+
+String::String(String&& other) {
+	this->length = other.length;
+	this->str = other.str;
+	other.str = nullptr;
+}
+
+String& String::operator=(String&& other) {
+	if (this != &other) {
+		free();
+
+		this->length = other.length;
+		this->str = other.str;
+		other.str = nullptr;
+	}
+	return *this;
+}
+
+char& String::At(unsigned index) {
+	if (index >= length) {
+		throw "Index too big!";
+	}
+	return str[index];
+}
+
+const char* String::GetPtr() {
+	return str;
+}
diff --git a/week10/Exercise07/String.h b/week10/Exercise07/String.h
new file mode 100644
index 0000000..3ea986a
--- /dev/null
+++ b/week10/Exercise07/String.h
@@ -0,0 +1,23 @@
+#pragma once
+
+class String {
+protected:
+	char* str;
+	unsigned length;
+
+	void free();
+	void copyFrom(const String& other);
+
+public:
+	String(const char* str);
+
+	String();
+	~String();
+	String(const String& other);
+	String& operator=(const String& other);
+	String(String&& other);
+	String& operator=(String&& other);
+
+	char& At(unsigned index);
+	const char* GetPtr();
+};
-- 
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