module dwt.internal.mozilla.nsEmbedString;

import Utf = tango.text.convert.Utf;

import dwt.internal.mozilla.Common;
import dwt.internal.mozilla.nsStringAPI;
import XPCOM = dwt.internal.mozilla.XPCOM;

scope class nsEmbedString
{    
	this(wchar[] s)
	{
		nsresult result;
		result = NS_StringContainerInit2(&str, s.ptr, s.length, 0);
		if (XPCOM.NS_FAILED(result)) 
			throw new Exception("Init string container fail");
	}

	this()
	{
		nsresult result;
		result = NS_StringContainerInit(&str);
		if (XPCOM.NS_FAILED(result)) 
			throw new Exception("Init string container fail");
	}

	nsAString* opCast()
	{
		return cast(nsAString*)&str;
	}

	wchar[] toString16()
	{
		wchar* buffer = null;
		PRBool terminated;
		uint len = NS_StringGetData(cast(nsAString*)&str, &buffer, &terminated);
		return buffer[0 .. len].dup;
	}
    
    char[] toString()
    {
        return Utf.toString(this.toString16());
    }
    ~this()
	{
		NS_StringContainerFinish(&str);
	}
private:
	nsStringContainer str;
}


scope class nsEmbedCString
{
	this(char[] s)
	{
		nsresult result;
		result = NS_CStringContainerInit2(&str, s.ptr, s.length, 0);
		if (XPCOM.NS_FAILED(result)) 
			throw new Exception("Init string container fail");
	}

	this()
	{
		nsresult result;
		result = NS_CStringContainerInit(&str);
		if (XPCOM.NS_FAILED(result)) 
			throw new Exception("Init string container fail");
	}

	nsACString* opCast()
	{
		return cast(nsACString*)&str;
	}

	char[] toString()
	{
		char* buffer = null;
		PRBool terminated;
		uint len = NS_CStringGetData(cast(nsACString*)&str, &buffer, &terminated);
        return buffer[0 .. len].dup;
	}

	~this()
	{
		NS_CStringContainerFinish(&str);
	}
private:
	nsCStringContainer str;
}