mxstring.cpp

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#include "mxstring.h"
 
#include "decomp.h"
 
#include <stdlib.h>
#include <string.h>
 
DECOMP_SIZE_ASSERT(MxString, 0x10)
 
// FUNCTION: LEGO1 0x100ae200
// FUNCTION: BETA10 0x1012c110
MxString::MxString()
{
    // Set string to one char in length and set that char to null terminator
    this->m_data = new char[1];
    this->m_data[0] = 0;
    this->m_length = 0;
}
 
// FUNCTION: LEGO1 0x100ae2a0
// FUNCTION: BETA10 0x1012c1a1
MxString::MxString(const MxString& p_str)
{
    this->m_length = p_str.m_length;
    this->m_data = new char[this->m_length + 1];
    strcpy(this->m_data, p_str.m_data);
}
 
// FUNCTION: LEGO1 0x100ae350
// FUNCTION: BETA10 0x1012c24f
MxString::MxString(const char* p_str)
{
    if (p_str) {
        this->m_length = strlen(p_str);
        this->m_data = new char[this->m_length + 1];
        strcpy(this->m_data, p_str);
    }
    else {
        this->m_data = new char[1];
        this->m_data[0] = 0;
        this->m_length = 0;
    }
}
 
// FUNCTION: BETA10 0x1012c330
MxString::MxString(const char* p_str, MxU16 p_maxlen)
{
    if (p_str) {
        if (strlen(p_str) <= p_maxlen) {
            this->m_length = strlen(p_str);
        }
        else {
            this->m_length = p_maxlen;
        }
 
        // Basically strncpy
        this->m_data = new char[this->m_length + 1];
        memcpy(this->m_data, p_str, this->m_length);
        this->m_data[this->m_length] = '\0';
    }
    else {
        this->m_data = new char[1];
        this->m_data[0] = 0;
        this->m_length = 0;
    }
}
 
// FUNCTION: LEGO1 0x100ae420
// FUNCTION: BETA10 0x1012c45b
MxString::~MxString()
{
    delete[] this->m_data;
}
 
// FUNCTION: BETA10 0x1012c4de
void MxString::Reverse()
{
    char* start = this->m_data;
    char* end = this->m_data + this->m_length - 1;
 
    while (start < end) {
        CharSwap(start, end);
        start++;
        end--;
    }
}
 
// FUNCTION: LEGO1 0x100ae490
// FUNCTION: BETA10 0x1012c537
void MxString::ToUpperCase()
{
    strupr(this->m_data);
}
 
// FUNCTION: LEGO1 0x100ae4a0
// FUNCTION: BETA10 0x1012c55c
void MxString::ToLowerCase()
{
    strlwr(this->m_data);
}
 
// FUNCTION: LEGO1 0x100ae4b0
// FUNCTION: BETA10 0x1012c581
MxString& MxString::operator=(const MxString& p_str)
{
    if (this->m_data != p_str.m_data) {
        delete[] this->m_data;
        this->m_length = p_str.m_length;
        this->m_data = new char[this->m_length + 1];
        strcpy(this->m_data, p_str.m_data);
    }
 
    return *this;
}
 
// FUNCTION: LEGO1 0x100ae510
// FUNCTION: BETA10 0x1012c606
const MxString& MxString::operator=(const char* p_str)
{
    if (this->m_data != p_str) {
        delete[] this->m_data;
        this->m_length = strlen(p_str);
        this->m_data = new char[this->m_length + 1];
        strcpy(this->m_data, p_str);
    }
 
    return *this;
}
 
// FUNCTION: BETA10 0x1012c68a
MxString MxString::operator+(const MxString& p_str) const
{
    MxString tmp;
    delete[] tmp.m_data;
 
    tmp.m_length = p_str.m_length + this->m_length;
    tmp.m_data = new char[tmp.m_length + 1];
 
    strcpy(tmp.m_data, this->m_data);
    strcpy(tmp.m_data + this->m_length, p_str.m_data);
 
    return MxString(tmp);
}
 
// Return type is intentionally just MxString, not MxString&.
// This forces MSVC to add $ReturnUdt$ to the stack for 100% match.
// FUNCTION: LEGO1 0x100ae580
// FUNCTION: BETA10 0x1012c78d
MxString MxString::operator+(const char* p_str) const
{
    // MxString constructor allocates 1 byte for m_data, so free that first
    MxString tmp;
    delete[] tmp.m_data;
 
    tmp.m_length = strlen(p_str) + this->m_length;
    tmp.m_data = new char[tmp.m_length + 1];
 
    strcpy(tmp.m_data, this->m_data);
    strcpy(tmp.m_data + this->m_length, p_str);
 
    return MxString(tmp);
}
 
// FUNCTION: LEGO1 0x100ae690
// FUNCTION: BETA10 0x1012c92f
MxString& MxString::operator+=(const char* p_str)
{
    int newlen = this->m_length + strlen(p_str);
 
    char* tmp = new char[newlen + 1];
    strcpy(tmp, this->m_data);
    strcpy(tmp + this->m_length, p_str);
 
    delete[] this->m_data;
    this->m_data = tmp;
    this->m_length = newlen;
 
    return *this;
}
 
// FUNCTION: BETA10 0x1012ca10
void MxString::CharSwap(char* p_a, char* p_b)
{
    char t = *p_a;
    *p_a = *p_b;
    *p_b = t;
}