/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2014 Synergy Si Ltd.
 * Patch by Ryan Chapman
 *
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file LICENSE that should have accompanied this file.
 *
 * This package is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "platform/OSXClipboardHTMLConverter.h"

#include "base/Unicode.h"

OSXClipboardHTMLConverter::OSXClipboardHTMLConverter()
{
	// do nothing
}

OSXClipboardHTMLConverter::~OSXClipboardHTMLConverter()
{
	// do nothing
}

IClipboard::EFormat
OSXClipboardHTMLConverter::getFormat() const
{
	return IClipboard::kHTML;
}

CFStringRef
OSXClipboardHTMLConverter::getOSXFormat() const
{
	return CFSTR("public.html");
}

String 
OSXClipboardHTMLConverter::convertString(
								const String& data,
								CFStringEncoding fromEncoding,
								CFStringEncoding toEncoding)
{
	CFStringRef stringRef = CFStringCreateWithCString(
								kCFAllocatorDefault,
								data.c_str(), fromEncoding);

	if (stringRef == NULL) {
		return String();
	}

	CFIndex buffSize;
	CFRange entireString = CFRangeMake(0, CFStringGetLength(stringRef));

	CFStringGetBytes(stringRef, entireString, toEncoding,
		0, false, NULL, 0, &buffSize);

	char* buffer = new char[buffSize];

	if (buffer == NULL) {
		CFRelease(stringRef);
		return String();
	}
	
	CFStringGetBytes(stringRef, entireString, toEncoding,
		0, false, (UInt8*)buffer, buffSize, NULL);

	String result(buffer, buffSize);

	delete[] buffer;
	CFRelease(stringRef);

	return result;
}

String
OSXClipboardHTMLConverter::doFromIClipboard(const String& data) const
{
	return convertString(data, kCFStringEncodingUTF8,
				CFStringGetSystemEncoding());
}

String
OSXClipboardHTMLConverter::doToIClipboard(const String& data) const
{
	return convertString(data, CFStringGetSystemEncoding(),
				kCFStringEncodingUTF8);
}