#include "SpeechReverser.h"

SpeechReverser::SpeechReverser(QObject *parent)
	: QObject(parent)
{
}

void SpeechReverser::reverse(const QString& text)
{
	this->text = text;
	doReverse();
	emit reverseDone(this->text);
}

void SpeechReverser::doReverse()
{
	QStringList words = text.split(" ");
	for ( int wordIndex = 0; wordIndex < words.size(); ++wordIndex )
	{
		QString& word = words[wordIndex];
		for ( int charIndex = 1; charIndex < word.length() - 2; charIndex += 2 )
		{
			// swap
			QChar temp = word[charIndex];
			word[charIndex] = word[charIndex + 1];
			word[charIndex + 1] = temp;
		}
	}
	text = words.join(" ");
}