1 files changed, 167 insertions, 0 deletions
diff --git a/src/Generic/String/String.cpp b/src/Generic/String/String.cpp
new file mode 100644
index 0000000..66e9ad4
--- /dev/null
+++ b/src/Generic/String/String.cpp
@@ -0,0 +1,167 @@
+#include "String.h"
+#include <cstring>
+
+/* Private */
+
+void String::free() {
+	delete[] str;
+}
+
+void String::copyFrom(const String& other) {
+	str = new char[other.length + 1];
+	strncpy(str, other.str, other.length + 1);
+	length = other.length;
+}
+
+/* Public */
+
+/*!
+ * Allocated with length + 1 size, so there is a terminating zero at the end.
+ */
+String::String(unsigned length) {
+	this->length = length;
+	str = new char[length + 1];
+	str[length] = '\0';
+}
+
+/*! \params str C-style string
+ */
+String::String(const char* str) {
+	length = strlen(str);
+	this->str = new char[length + 1]; // capture terminating zero
+	strncpy(this->str, str, length + 1);
+}
+
+const char* String::get_cstr() const {
+	return str;
+}
+
+unsigned String::get_length() const {
+	return length;
+}
+
+char& String::operator[](unsigned index) {
+	return str[index];
+}
+
+/*! \params str C-style string
+ */
+String& String::operator+=(const char* str) {
+	unsigned strLen = strlen(str);
+	char* newStr = new char[length + strLen + 1];
+	strncpy(newStr, this->str, length + 1);
+	strncat(newStr, str, strLen + 1);
+
+	delete[] this->str;
+	this->str = newStr;
+	length += strLen;
+
+	return *this;
+}
+
+/*!
+ * Converts the number to a C-style string and then uses += to append it.
+ */
+String& String::operator+=(unsigned number) {
+	unsigned tempLen = 0;
+	for (unsigned tmp = number; tmp > 0 || tempLen == 0; tmp /= 10)
+		tempLen++;
+
+	char* tmp = new char[tempLen + 1];
+	tmp[tempLen] = '\0';
+	for (unsigned i = tempLen - 1; i < tempLen; i--, number /= 10)
+		tmp[i] = number % 10 + '0';
+
+	*this += tmp;
+	delete[] tmp;
+	return *this;
+}
+
+String::String() : String("") {}
+
+String::String(const String& other) {
+	copyFrom(other);
+}
+
+String& String::operator=(const String& other) {
+	if (this != &other) {
+		free();
+		copyFrom(other);
+	}
+	return *this;
+}
+
+String::~String() {
+	free();
+}
+
+String::String(String&& other) {
+	str = other.str;
+	other.str = nullptr;
+	length = other.length;
+}
+
+String& String::operator=(String&& other) {
+	if (this != &other) {
+		delete[] str;
+		str = other.str;
+		other.str = nullptr;
+		length = other.length;
+	}
+	return *this;
+}
+
+/*! \param istr An input stream
+ *
+ * Directly reads bytes from stream (calls read() function).
+ * First reads the string length, then the underlying C-style string (including terminating zero).
+ * 
+ * \remark Doesn't alter the stream in any other way.
+ * \note Best used with binary ifstream
+ */
+void String::read(std::istream& istr) {
+	istr.read((char*)&length, sizeof(length));
+	istr.read(str, sizeof(char) * (length + 1));
+}
+
+/*! \param ostr An output stream
+ *
+ * Directly writes bytes to stream (calls write() function).
+ * First writes the string length, then the underlying C-style string (including terminating zero).
+ * 
+ * \remark Doesn't alter the stream in any other way.
+ * \note Best used with binary ofstream
+ */
+void String::write(std::ostream& ostr) const {
+	ostr.write((char*)&length, sizeof(length));
+	ostr.write(str, sizeof(char) * (length + 1));
+}
+
+/*! \params other C-style string
+ *  \returns strcmp between underlying C-style string and "other"
+ */
+int String::compare(const String& other) const {
+	return strcmp(str, other.str);
+}
+
+/*!
+ * Uses the stream's getline function to read the data.
+ *
+ * \warning It takes at most 1024 characters from the stream!
+ * \note Best used with std::cin or text std::ifstream
+ */
+std::istream& operator>>(std::istream& istr, String& event) {
+	istr.getline(event.str, 1024);
+	event.length = strlen(event.str);
+
+	return istr;
+}
+
+/*!
+ * Uses the stream's << operator to write the underlying C-style string
+ *
+ * \note Best used with std::cout or text std::ofstream
+ */
+std::ostream& operator<<(std::ostream& ostr, const String& event) {
+	return ostr << event.str;
+}