// 
// GBKÎı¾±àÂëÆ÷
// 

#include "TextEncoder.h"

TextEncoder::TextEncoder()
{
	size = 0;
	data = nullptr;
	current_index = 0;
}

TextEncoder::TextEncoder(String text)
{
	current_index = 0;
	size = text.length();
	data = new byte[size];
	for (int i = 0; i < size; i++)
		data[i] = text[i];
}

TextEncoder::~TextEncoder()
{
	if (data != nullptr)
	{
		delete[] data;
		data = nullptr;
	}
}

void TextEncoder::EncodeText(String text)
{
	if (data != nullptr)
	{
		delete[] data;
		data = nullptr;
	}
	current_index = 0;
	size = text.length();
	data = new byte[size];
	for (int i = 0; i < size; i++)
		data[i] = text[i];
}

bool TextEncoder::HasNextChar()
{
	return (current_index < size);
}

bool TextEncoder::IsLastChar()
{
	return ((current_index + 1) >= size);
}

void TextEncoder::GetNextChar(byte& bit1, byte& bit2)
{
	if (data[current_index] >= 0x7F)	//ÖÐÎÄ
	{
		bit1 = data[current_index];
		bit2 = data[current_index + 1];
		current_index += 2;
	}
	else
	{
		bit1 = data[current_index];
		bit2 = 0x00;
		current_index++;
	}
}