diff options
1 files changed, 75 insertions, 0 deletions
| -rw-r--r-- | Week09/Exercise05/String.cpp | 75 |
diff --git a/Week09/Exercise05/String.cpp b/Week09/Exercise05/String.cpp new file mode 100644 index 0000000..903aa60 --- /dev/null +++ b/Week09/Exercise05/String.cpp @@ -0,0 +1,75 @@ +#include "String.h" +#include <cstring> +#include <iostream> + +void String::free() { + delete[] str; +} + +void String::copyFrom(const String& other) { + length = other.length; + // Не забравяме за терминиращата нула + str = new char[length + 1]; + strcpy(str, other.str); +} + +String::String() { + str = nullptr; + 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) { + str = other.str; + length = other.length; + + other.str = nullptr; + other.length = 0; +} + +String& String::operator=(String&& other) { + if (this != &other) { + free(); + + str = other.str; + length = other.length; + + other.str = nullptr; + other.length = 0; + } + return *this; +} + +String::String(unsigned length) { + this->length = length; + this->str = new char[length + 1]; + this->str[length] = '\0'; +} + +void String::Copy(const char* str) { + if (this->str == nullptr) { + length = strlen(str); + this->str = new char[length + 1]; + } + strncpy(this->str, str, length); + this->str[length] = '\0'; +} + +const char* String::GetStr() const { + return str; +} |
