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#include "String.class.h"
#include <Library/Vector.class.h>
using namespace CMem; //strlen and memcpy
String String::hex(u32int number) {
String ret;
ret.m_length = 10;
ret.m_string = (char*)Mem::kalloc(11);
ret.m_string[0] = '0';
ret.m_string[1] = 'x';
ret.m_string[10] = 0;
char hexdigits[] = "0123456789ABCDEF";
for (unsigned int j = 0; j < 8; j++) {
ret.m_string[j + 2] = hexdigits[(number & 0xF0000000) >> 28];
number = number << 4;
}
return ret;
}
String String::number(s32int number) {
if (number == 0) return String("0");
bool negative = false;
if (number < 0) {
negative = true;
number = 0 - number;
}
u32int order = 0, temp = number;
char numbers[] = "0123456789";
while (temp > 0) {
order++;
temp /= 10;
}
String ret;
ret.m_length = order;
ret.m_string = (char*)Mem::kalloc(order + 1);
for (u32int i = order; i > 0; i--) {
ret.m_string[i - 1] = numbers[number % 10];
number /= 10;
}
ret.m_string[order] = 0;
if (negative) return String("-") += ret;
return ret;
}
String::String() {
m_string = 0;
m_length = 0;
}
String::String(char* string) {
m_length = strlen(string);
m_string = (char*)Mem::kalloc(m_length + 1);
for (u32int i = 0; i < m_length; i++) {
m_string[i] = string[i];
}
m_string[m_length] = 0;
}
String::String(const String &other) {
m_length = other.m_length;
m_string = (char*)Mem::kalloc(m_length + 1);
for (u32int i = 0; i < m_length; i++) {
m_string[i] = other.m_string[i];
}
m_string[m_length] = 0;
}
String::~String() {
if (m_string != 0) Mem::kfree(m_string);
}
void String::operator= (const String &other) {
m_length = other.m_length;
if (m_string != 0) Mem::kfree(m_string);
m_string = (char*)Mem::kalloc(m_length + 1);
for (u32int i = 0; i < m_length; i++) {
m_string[i] = other.m_string[i];
}
m_string[m_length] = 0;
}
void String::operator= (char* string) {
m_length = strlen(string);
if (m_string != 0) Mem::kfree(m_string);
m_string = (char*)Mem::kalloc(m_length + 1);
for (u32int i = 0; i < m_length; i++) {
m_string[i] = string[i];
}
m_string[m_length] = 0;
}
bool String::operator== (String &other) {
if (m_length != other.m_length) return false;
for (u32int i = 0; i < m_length; i++) {
if (m_string[i] != other.m_string[i]) return false;
}
return true;
}
bool String::operator== (char* string) {
if (m_length != strlen(string)) return false;
for (u32int i = 0; i < m_length; i++) {
if (m_string[i] != string[i]) return false;
}
return true;
}
String& String::operator+= (String &other) {
char* newdata = (char*)Mem::kalloc(m_length + other.m_length + 1);
for (u32int i = 0; i < m_length; i++) {
newdata[i] = m_string[i];
}
for (u32int i = 0; i < other.m_length; i++) {
newdata[i + m_length] = other.m_string[i];
}
if (m_string != 0) Mem::kfree(m_string);
m_string = newdata;
m_length += other.m_length;
m_string[m_length] = 0;
return *this;
}
String& String::operator+= (char* other) {
char* newdata = (char*)Mem::kalloc(m_length + strlen(other) + 1);
for (u32int i = 0; i < m_length; i++) {
newdata[i] = m_string[i];
}
for (u32int i = 0; i < strlen(other); i++) {
newdata[i + m_length] = other[i];
}
if (m_string != 0) Mem::kfree(m_string);
m_string = newdata;
m_length += strlen(other);
m_string[m_length] = 0;
return *this;
}
String& String::operator+= (char other) {
char* newdata = (char*)Mem::kalloc(m_length + 2);
for (u32int i = 0; i < m_length; i++) {
newdata[i] = m_string[i];
}
if (m_string != 0) Mem::kfree(m_string);
m_string = newdata;
m_string[m_length] = other;
m_length++;
m_string[m_length] = 0;
return *this;
}
String& String::operator+ (String &other) { //Can be optimized
String ret(*this);
return (ret += other);
}
String& String::operator+ (char* other) { //Can be optimized
String ret(*this);
return (ret += other);
}
String& String::operator+ (char other) { //Can be optimized
String ret(*this);
return (ret += other);
}
String::operator char* () {
if (m_string == 0) return "";
return m_string;
}
s32int String::toInt() {
if (m_string == 0) return 0;
s32int pos = 0, number = 0;
bool negative = false;
if (m_string[0] == '-') {
negative = true;
pos = 1;
}
while (m_string[pos] >= '0' && m_string[pos] <= '9') {
number *= 10;
number += (m_string[pos] - '0');
pos++;
}
if (negative) return 0 - number;
return number;
}
u32int String::toInt16() {
if (m_string == 0) return 0;
u32int pos = 0, number = 0;
if (m_string[0] == '0' && m_string[1] == 'x') pos = 2;
while (1) {
char c = m_string[pos];
pos++;
if (c >= 'a' && c <= 'f') c -= ('a' - 'A'); //To uppercase
if (c >= '0' && c <= '9') {
number *= 16;
number += (c - '0');
continue;
}
if (c >= 'A' && c <= 'F') {
number *= 16;
number += (c - 'A' + 10);
continue;
}
break;
}
return number;
}
char& String::operator[] (int index) {
return m_string[index];
}
u32int String::size() {
return m_length;
}
void String::clear() {
Mem::kfree(m_string);
m_length = 0;
m_string = 0;
}
bool String::empty() {
return (m_length == 0);
}
Vector<String> String::split(char c) {
Vector<String> ret;
ret.push(String(""));
for (u32int i = 0; i < m_length; i++) {
if (m_string[i] == c) {
ret.push(String(""));
} else {
ret.back() += m_string[i];
}
}
return ret;
}
String String::substr(s32int start, s32int size) {
if (start < 0) start = m_length - start;
if (size < 0) { //this fucks
start = start + size;
size = 0 - size;
}
String ret;
ret.m_string = (char*)Mem::kalloc(size + 1);
ret.m_length = size;
memcpy((u8int*)ret.m_string, (const u8int*)(m_string + start), size);
ret.m_string[size] = 0;
return ret;
}
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