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#include "String.class.h"
#include <Vector.class.h>
using namespace CMem; //strlen and memcpy
String String::hex(u32int number) {
String ret;
ret.m_length = 10;
ret.m_string = new WChar[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 = new WChar[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::unserialize(u32int w) {
if (w == (u32int) - 1) return String();
u32int* a = (u32int*)w;
String ret;
ret.m_length = a[0];
ret.m_string = (WChar*)Mem::alloc(a[0] * sizeof(WChar));
for (u32int i = 0; i < a[0]; i++) {
ret[i] = a[i + 1];
}
return ret;
}
u32int String::serialize() const {
u32int* x = (u32int*)Mem::mkXchgSpace((m_length + 1) * sizeof(u32int));
x[0] = m_length;
for (u32int i = 0; i < m_length; i++) {
x[i + 1] = m_string[i];
}
return (u32int)x;
}
String::String(const char* string, u8int encoding) {
m_string = 0;
m_length = 0;
affect(string, encoding);
}
void String::affect (const char* string, u8int encoding) {
m_length = WChar::utfLen(string, encoding);
if (m_string != 0) delete [] m_string;
if (m_length == 0) {
m_string = 0;
return;
}
m_string = new WChar[m_length + 1];
u32int i = 0, c = 0;
while (c < m_length) {
i += m_string[c].affect(string + i, encoding);
c++;
}
m_string[m_length] = 0;
}
bool String::compare (const char* string, u8int encoding) const {
if (m_length != WChar::utfLen(string, encoding)) return false;
int i = 0, l = strlen(string), c = 0;
WChar tmp;
while (i < l) {
i += tmp.affect(string + i, encoding);
if (m_string[c] != tmp) return false;
c++;
}
return true;
}
String& String::append (const char* other, u8int encoding) {
WChar* newdata = new WChar[m_length + WChar::utfLen(other, encoding) + 1];
for (u32int i = 0; i < m_length; i++) {
newdata[i] = m_string[i];
}
int i = 0, l = strlen(other), c = 0;
while (i < l) {
i += newdata[c + m_length].affect(other + i, encoding);
c++;
}
if (m_string != 0) delete [] m_string;
m_string = newdata;
m_length += strlen(other);
m_string[m_length] = 0;
return *this;
}
String String::concat (const String &other) const { //Can be optimized
String ret(*this);
return (ret += other);
}
String String::concat (const char* other, u8int encoding) const { //Can be optimized
String ret(*this);
return (ret.append(other, encoding));
}
String String::concat (WChar other) const {
String ret(*this);
return (ret += other);
}
s64int String::toInt() const {
if (m_string == 0) return 0;
s32int pos = 0;
s64int number = 0;
bool negative = false;
if (m_string[0].value == '-') {
negative = true;
pos = 1;
}
while (m_string[pos] >= '0' && m_string[pos] <= '9') {
number *= 10;
number += (m_string[pos].value - '0');
pos++;
}
if (negative) return 0 - number;
return number;
}
u64int String::toInt16() const {
if (m_string == 0) return 0;
u32int pos = 0;
u64int number = 0;
if (m_string[0].value == '0' && m_string[1].value == '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;
}
Vector<String> String::split(WChar c) const {
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, u32int size) {
if (start < 0) start = m_length - start;
if (size == 0) size = m_length - start;
String ret;
ret.m_string = new WChar[size + 1];
ret.m_length = size;
memcpy((u8int*)ret.m_string, (const u8int*)(m_string + start), size * sizeof(WChar));
ret.m_string[size] = 0;
return ret;
}
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