Aegisub/vsfilter/subtitles/USFSubtitles.cpp

/* 
 *	Copyright (C) 2003-2006 Gabest
 *	http://www.gabest.org
 *
 *  This Program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *   
 *  This Program 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 GNU Make; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
 *  http://www.gnu.org/copyleft/gpl.html
 *
 */

#include "StdAfx.h"
#include "usfsubtitles.h"

#define DeclareNameAndValue(pNode, name, val) \
    CComBSTR name; \
    pNode->get_nodeName(&name); \
	name.ToLower(); \
	CComVariant val; \
    pNode->get_nodeValue(&val); \

#define BeginEnumAttribs(pNode, pChild, name, value) \
	{CComPtr<IXMLDOMNamedNodeMap> pAttribs; \
	if(SUCCEEDED(pNode->get_attributes(&pAttribs)) && pAttribs != NULL) \
    { \
		CComPtr<IXMLDOMNode> pChild; \
        for(pAttribs->nextNode(&pChild); pChild; pChild = NULL, pAttribs->nextNode(&pChild)) \
        { \

#define EndEnumAttribs }}}

#define BeginEnumChildren(pNode, pChild) \
	{CComPtr<IXMLDOMNode> pChild, pNext; \
	for(pNode->get_firstChild(&pChild); pChild; pNext = NULL, pChild->get_nextSibling(&pNext), pChild = pNext) \
    { \

#define EndEnumChildren }}

static CStringW GetText(CComPtr<IXMLDOMNode> pNode)
{
	CComBSTR bstr;
	pNode->get_text(&bstr);

	return(CStringW(bstr));
}

static CStringW GetXML(CComPtr<IXMLDOMNode> pNode)
{
	CComBSTR bstr;
	pNode->get_xml(&bstr);
	CStringW str(bstr);
	str.Remove('\r');
	str.Replace('\n', ' ');
	for(int i = 0; (i = str.Find(L" ", i)) >= 0; )
	{
		for(++i; i < str.GetLength() && (str[i] == '\n' || str[i] == ' ');)
			str.Delete(i);
	}
	return(str);
}

static CStringW GetAttrib(CStringW attrib, CComPtr<IXMLDOMNode> pNode)
{
	CStringW ret;

	BeginEnumAttribs(pNode, pChild, name, val)
	{
		DeclareNameAndValue(pChild, name, val);

		if(CStringW(name) == attrib && val.vt == VT_BSTR) // TODO: prepare for other types
		{
			ret = val.bstrVal;
			break;
		}
	}
	EndEnumAttribs

	return(ret);
}

static int TimeToInt(CStringW str)
{
	CAtlList<CStringW> sl;
	int i = 0;
	for(CStringW token = str.Tokenize(L":.,", i); !token.IsEmpty(); token = str.Tokenize(L":.,", i))
		sl.AddHead(token);

	if(sl.GetCount() > 4)
		return(-1);

	int time = 0;
	
	int mul[4] = {1,1000,60*1000,60*60*1000};
	POSITION pos = sl.GetHeadPosition();
	for(i = 0; pos; i++)
	{
		const WCHAR* s = sl.GetNext(pos);
		WCHAR* tmp = NULL;
		int t = wcstol(s, &tmp, 10);
		if(s >= tmp) return(-1);
		time += t * mul[i];
	}

	return(time);
}

static DWORD StringToDWORD(CStringW str)
{
	if(str.IsEmpty()) return(0);
	if(str[0] == '#') return((DWORD)wcstol(str, NULL, 16));
	else return((DWORD)wcstol(str, NULL, 10));	
}

static DWORD ColorToDWORD(CStringW str)
{
	if(str.IsEmpty()) return(0);

	DWORD ret = 0;

	if(str[0] == '#')
	{
		ret = (DWORD)wcstol(str.TrimLeft('#'), NULL, 16);
	}
	else
	{
		g_colors.Lookup(CString(str), ret);
	}

	ret = ((ret&0xff)<<16)|(ret&0xff00ff00)|((ret>>16)&0xff);

	return(ret);
}

static int TranslateAlignment(CStringW alignment)
{
	return
		!alignment.CompareNoCase(L"BottomLeft") ? 1 :
		!alignment.CompareNoCase(L"BottomCenter") ? 2 :
		!alignment.CompareNoCase(L"BottomRight") ? 3 :
		!alignment.CompareNoCase(L"MiddleLeft") ? 4 :
		!alignment.CompareNoCase(L"MiddleCenter") ? 5 :
		!alignment.CompareNoCase(L"MiddleRight") ? 6 :
		!alignment.CompareNoCase(L"TopLeft") ? 7 :
		!alignment.CompareNoCase(L"TopCenter") ? 8 :
		!alignment.CompareNoCase(L"TopRight") ? 9 :
		2;
}

static int TranslateMargin(CStringW margin, int wndsize)
{
	int ret = 0;

	if(!margin.IsEmpty())
	{
		ret = wcstol(margin, NULL, 10);
		if(margin.Find('%') >= 0) ret = wndsize * ret / 100;
	}

	return(ret);
}

////////////////

CUSFSubtitles::CUSFSubtitles()
{
}

CUSFSubtitles::~CUSFSubtitles()
{
}

bool CUSFSubtitles::Read(LPCTSTR fn)
{
	VARIANT_BOOL vb;
	CComPtr<IXMLDOMDocument> pDoc;
	if(FAILED(pDoc.CoCreateInstance(CLSID_DOMDocument))
	|| FAILED(pDoc->put_async(VARIANT_FALSE))
	|| FAILED(pDoc->load(CComVariant(fn), &vb)) || vb != VARIANT_TRUE)
		return(false);

	styles.RemoveAll();
	effects.RemoveAll();
	texts.RemoveAll();

	if(!ParseUSFSubtitles(CComQIPtr<IXMLDOMNode>(pDoc)))
		return(false);

	POSITION pos = styles.GetHeadPosition();
	while(pos)
	{
		style_t* def = styles.GetNext(pos);

		if(def->name.CompareNoCase(L"Default"))
			continue;

		POSITION pos2 = styles.GetHeadPosition();
		while(pos2)
		{
			style_t* s = styles.GetNext(pos2);

			if(!s->name.CompareNoCase(L"Default"))
				continue;

			if(s->fontstyle.face.IsEmpty()) s->fontstyle.face = def->fontstyle.face;
			if(s->fontstyle.size.IsEmpty()) s->fontstyle.size = def->fontstyle.size;
			if(s->fontstyle.color[0].IsEmpty()) s->fontstyle.color[0] = def->fontstyle.color[0];
			if(s->fontstyle.color[1].IsEmpty()) s->fontstyle.color[1] = def->fontstyle.color[1];
			if(s->fontstyle.color[2].IsEmpty()) s->fontstyle.color[2] = def->fontstyle.color[2];
			if(s->fontstyle.color[3].IsEmpty()) s->fontstyle.color[3] = def->fontstyle.color[3];
			if(s->fontstyle.italic.IsEmpty()) s->fontstyle.italic = def->fontstyle.italic;
			if(s->fontstyle.weight.IsEmpty()) s->fontstyle.weight = def->fontstyle.weight;
			if(s->fontstyle.underline.IsEmpty()) s->fontstyle.underline = def->fontstyle.underline;
			if(s->fontstyle.alpha.IsEmpty()) s->fontstyle.alpha = def->fontstyle.alpha;
			if(s->fontstyle.outline.IsEmpty()) s->fontstyle.outline = def->fontstyle.outline;
			if(s->fontstyle.shadow.IsEmpty()) s->fontstyle.shadow = def->fontstyle.shadow;
			if(s->fontstyle.wrap.IsEmpty()) s->fontstyle.wrap = def->fontstyle.wrap;
			if(s->pal.alignment.IsEmpty()) s->pal.alignment = def->pal.alignment;
			if(s->pal.relativeto.IsEmpty()) s->pal.relativeto = def->pal.relativeto;
			if(s->pal.horizontal_margin.IsEmpty()) s->pal.horizontal_margin = def->pal.horizontal_margin;
			if(s->pal.vertical_margin.IsEmpty()) s->pal.vertical_margin = def->pal.vertical_margin;
			if(s->pal.rotate[0].IsEmpty()) s->pal.rotate[0] = def->pal.rotate[0];
			if(s->pal.rotate[1].IsEmpty()) s->pal.rotate[1] = def->pal.rotate[1];
			if(s->pal.rotate[2].IsEmpty()) s->pal.rotate[2] = def->pal.rotate[2];
		}

		break;
	}

	pos = texts.GetHeadPosition();
	while(pos)
	{
		text_t* t = texts.GetNext(pos);
		if(t->style.IsEmpty()) t->style = L"Default";
	}

	return(true);
}

bool CUSFSubtitles::ConvertToSTS(CSimpleTextSubtitle& sts)
{
	sts.m_name = metadata.language.text;
	sts.m_encoding = CTextFile::UTF8;
	sts.m_dstScreenSize = CSize(640, 480);
	sts.m_fScaledBAS = true;
	sts.m_defaultWrapStyle = 1;

	// TODO: map metadata.language.code to charset num (windows doesn't have such a function...)
	int charSet = DEFAULT_CHARSET; 

	POSITION pos = styles.GetHeadPosition();
	while(pos)
	{
		style_t* s = styles.GetNext(pos);

		if(!s->name.CompareNoCase(L"Default") && !s->fontstyle.wrap.IsEmpty())
		{
			sts.m_defaultWrapStyle = 
				!s->fontstyle.wrap.CompareNoCase(L"no") ? 2 :
				!s->fontstyle.wrap.CompareNoCase(L"auto") ? 1 :
				1;
		}

		STSStyle* stss = new STSStyle;
		if(!stss) continue;

		if(!s->pal.horizontal_margin.IsEmpty())
			stss->marginRect.left = stss->marginRect.right = TranslateMargin(s->pal.horizontal_margin, sts.m_dstScreenSize.cx);
		if(!s->pal.vertical_margin.IsEmpty())
			stss->marginRect.top = stss->marginRect.bottom = TranslateMargin(s->pal.vertical_margin, sts.m_dstScreenSize.cy);

		stss->scrAlignment = TranslateAlignment(s->pal.alignment);

		if(!s->pal.relativeto.IsEmpty()) stss->relativeTo = 
			!s->pal.relativeto.CompareNoCase(L"window") ? 0 :
			!s->pal.relativeto.CompareNoCase(L"video") ? 1 :
			0;

		stss->borderStyle = 0;
		if(!s->fontstyle.outline.IsEmpty()) stss->outlineWidth = wcstol(s->fontstyle.outline, NULL, 10);
		if(!s->fontstyle.shadow.IsEmpty()) stss->shadowDepth = wcstol(s->fontstyle.shadow, NULL, 10);

		for(int i = 0; i < 4; i++)
		{
			DWORD color = ColorToDWORD(s->fontstyle.color[i]);
			int alpha = (BYTE)wcstol(s->fontstyle.alpha, NULL, 10);

			stss->colors[i] = color & 0xffffff;
			stss->alpha[i] = (BYTE)(color>>24);

			stss->alpha[i] = stss->alpha[i] + (255 - stss->alpha[i]) * min(max(alpha, 0), 100) / 100;
		}

		if(!s->fontstyle.face.IsEmpty()) stss->fontName = s->fontstyle.face;
		if(!s->fontstyle.size.IsEmpty()) stss->fontSize = wcstol(s->fontstyle.size, NULL, 10);
		if(!s->fontstyle.weight.IsEmpty()) stss->fontWeight = 
			!s->fontstyle.weight.CompareNoCase(L"normal") ? FW_NORMAL :
			!s->fontstyle.weight.CompareNoCase(L"bold") ? FW_BOLD :
			!s->fontstyle.weight.CompareNoCase(L"lighter") ? FW_LIGHT :
			!s->fontstyle.weight.CompareNoCase(L"bolder") ? FW_SEMIBOLD :
			wcstol(s->fontstyle.weight, NULL, 10);
		if(stss->fontWeight == 0) stss->fontWeight = FW_NORMAL;
		if(!s->fontstyle.italic.IsEmpty()) stss->fItalic = s->fontstyle.italic.CompareNoCase(L"yes") == 0;
		if(!s->fontstyle.underline.IsEmpty()) stss->fUnderline = s->fontstyle.underline.CompareNoCase(L"yes") == 0;
		if(!s->pal.rotate[0].IsEmpty()) stss->fontAngleZ = wcstol(s->pal.rotate[0], NULL, 10);
		if(!s->pal.rotate[1].IsEmpty()) stss->fontAngleX = wcstol(s->pal.rotate[1], NULL, 10);
		if(!s->pal.rotate[2].IsEmpty()) stss->fontAngleY = wcstol(s->pal.rotate[2], NULL, 10);

		stss->charSet = charSet;

		sts.AddStyle(WToT(s->name), stss);
	}

	pos = texts.GetHeadPosition();
	while(pos)
	{
		text_t* t = texts.GetNext(pos);

		if(!t->pal.alignment.IsEmpty())
		{
			CStringW s;
			s.Format(L"{\\an%d}", TranslateAlignment(t->pal.alignment));
			t->str = s + t->str;
		}

		CRect marginRect;
		marginRect.SetRectEmpty();

		if(!t->pal.horizontal_margin.IsEmpty())
			marginRect.left = marginRect.right = TranslateMargin(t->pal.horizontal_margin, sts.m_dstScreenSize.cx);
		if(!t->pal.vertical_margin.IsEmpty())
			marginRect.top = marginRect.bottom = TranslateMargin(t->pal.vertical_margin, sts.m_dstScreenSize.cy);

		WCHAR rtags[3][8] = {L"{\\rz%d}", L"{\\rx%d}", L"{\\ry%d}"};
		for(int i = 0; i < 3; i++)
		{
			if(int angle = wcstol(t->pal.rotate[i], NULL, 10))
			{
				CStringW str;
				str.Format(rtags[i], angle);
				t->str = str + t->str;
			}
		}

		if(t->style.CompareNoCase(L"Default") != 0)
		{
			POSITION pos = styles.GetHeadPosition();
			while(pos)
			{
				style_t* s = styles.GetNext(pos);
				if(s->name == t->style && !s->fontstyle.wrap.IsEmpty())
				{
					int WrapStyle = 
						!s->fontstyle.wrap.CompareNoCase(L"no") ? 2 :
						!s->fontstyle.wrap.CompareNoCase(L"auto") ? 1 :
						1;

					if(WrapStyle != sts.m_defaultWrapStyle)
					{
						CStringW str;
                        str.Format(L"{\\q%d}", WrapStyle);
						t->str = str + t->str;
					}

					break;
				}
			}
		}

		// TODO: apply effects as {\t(..)} after usf's standard clearly defines them

		sts.Add(t->str, true, t->start, t->stop, WToT(t->style), _T(""), _T(""), marginRect);
	}

	return(true);
}

bool CUSFSubtitles::ParseUSFSubtitles(CComPtr<IXMLDOMNode> pNode)
{
	DeclareNameAndValue(pNode, name, val);

	if(name == L"usfsubtitles")
	{
		// metadata

		BeginEnumChildren(pNode, pChild)
		{
			DeclareNameAndValue(pChild, name, val);

			if(name == L"metadata")
			{
				ParseMetadata(pChild, metadata);
			}
		}
		EndEnumChildren

		// styles

		BeginEnumChildren(pNode, pChild)
		{
			DeclareNameAndValue(pChild, name, val);

			if(name == L"styles")
			{
				BeginEnumChildren(pChild, pGrandChild) // :)
				{
					DeclareNameAndValue(pGrandChild, name, val);

					if(name == L"style")
					{
						CAutoPtr<style_t> s(new style_t);
						if(s)
						{
							ParseStyle(pGrandChild, s);
							styles.AddTail(s);
						}
					}
				}
				EndEnumChildren
			}
		}
		EndEnumChildren

		// effects

		BeginEnumChildren(pNode, pChild)
		{
			DeclareNameAndValue(pChild, name, val);

			if(name == L"effects")
			{
				BeginEnumChildren(pChild, pGrandChild) // :)
				{
					DeclareNameAndValue(pGrandChild, name, val);

					if(name == L"effect")
					{
						CAutoPtr<effect_t> e(new effect_t);
						if(e)
						{
							ParseEffect(pGrandChild, e);
							effects.AddTail(e);
						}
					}
				}
				EndEnumChildren
			}
		}
		EndEnumChildren

		// subtitles

		BeginEnumChildren(pNode, pChild)
		{
			DeclareNameAndValue(pChild, name, val);

			if(name == L"subtitles")
			{
				BeginEnumChildren(pChild, pGrandChild) // :)
				{
					DeclareNameAndValue(pGrandChild, name, val);

					if(name == L"subtitle")
					{
						CStringW sstart = GetAttrib(L"start", pGrandChild);
						CStringW sstop = GetAttrib(L"stop", pGrandChild);
						CStringW sduration = GetAttrib(L"duration", pGrandChild);
						if(sstart.IsEmpty() || (sstop.IsEmpty() && sduration.IsEmpty()))
							continue;

						int start = TimeToInt(sstart);
						int stop = !sstop.IsEmpty() ? TimeToInt(sstop) : (start + TimeToInt(sduration));

						ParseSubtitle(pGrandChild, start, stop);
					}
				}
				EndEnumChildren
			}
		}
		EndEnumChildren

		return(true);
	}

	BeginEnumChildren(pNode, pChild)
	{
        if(ParseUSFSubtitles(pChild))
		{
			return(true);
		}
	}
	EndEnumChildren

	return(false);
}

void CUSFSubtitles::ParseMetadata(CComPtr<IXMLDOMNode> pNode, metadata_t& m)
{
	DeclareNameAndValue(pNode, name, val);

	if(name == L"title")
	{
		m.title = GetText(pNode);
	}
	else if(name == L"date")
	{
		m.date = GetText(pNode);
	}
	else if(name == L"comment")
	{
		m.comment = GetText(pNode);
	}
	else if(name == L"author")
	{
		BeginEnumChildren(pNode, pChild)
		{
			DeclareNameAndValue(pChild, name, val);

			if(name == L"name")
				m.author.name = GetText(pChild);
			else if(name == L"email")
				m.author.email = GetText(pChild);
			else if(name == L"url")
				m.author.url = GetText(pChild);
		}
		EndEnumChildren

		return;
	}
	else if(name == L"language")
	{
		m.language.text = GetText(pNode);
		m.language.code = GetAttrib(L"code", pNode);
	}
	else if(name == L"languageext")
	{
		m.languageext.text = GetText(pNode);
		m.languageext.code = GetAttrib(L"code", pNode);
	}

	BeginEnumChildren(pNode, pChild)
	{
		ParseMetadata(pChild, metadata);
	}
	EndEnumChildren
}

void CUSFSubtitles::ParseStyle(CComPtr<IXMLDOMNode> pNode, style_t* s)
{
	DeclareNameAndValue(pNode, name, val);

	if(name == L"style")
	{
		s->name = GetAttrib(L"name", pNode);
	}
	else if(name == L"fontstyle")
	{
		ParseFontstyle(pNode, s->fontstyle);
		return;
	}
	else if(name == L"position")
	{
		ParsePal(pNode, s->pal);
		return;
	}

	BeginEnumChildren(pNode, pChild)
	{
		ParseStyle(pChild, s);
	}
	EndEnumChildren
}

void CUSFSubtitles::ParseFontstyle(CComPtr<IXMLDOMNode> pNode, fontstyle_t& fs)
{
	fs.face = GetAttrib(L"face", pNode);
	fs.size = GetAttrib(L"size", pNode);
	fs.color[0] = GetAttrib(L"color", pNode);
	fs.color[1] = GetAttrib(L"back-color", pNode);
	fs.color[2] = GetAttrib(L"outline-color", pNode);
	fs.color[3] = GetAttrib(L"shadow-color", pNode);
	fs.italic = GetAttrib(L"italic", pNode);
	fs.weight = GetAttrib(L"weight", pNode);
	fs.underline = GetAttrib(L"underline", pNode);
	fs.alpha = GetAttrib(L"alpha", pNode);
	fs.outline = GetAttrib(L"outline-level", pNode);
	fs.shadow = GetAttrib(L"shadow-level", pNode);
	fs.wrap = GetAttrib(L"wrap", pNode);
}

void CUSFSubtitles::ParsePal(CComPtr<IXMLDOMNode> pNode, posattriblist_t& pal)
{
	pal.alignment = GetAttrib(L"alignment", pNode);
	pal.relativeto = GetAttrib(L"relative-to", pNode);
	pal.horizontal_margin = GetAttrib(L"horizontal-margin", pNode);
	pal.vertical_margin = GetAttrib(L"vertical-margin", pNode);
	pal.rotate[0] = GetAttrib(L"rotate-z", pNode);
	pal.rotate[1] = GetAttrib(L"rotate-x", pNode);
	pal.rotate[2] = GetAttrib(L"rotate-y", pNode);
}

void CUSFSubtitles::ParseEffect(CComPtr<IXMLDOMNode> pNode, effect_t* e)
{
	DeclareNameAndValue(pNode, name, val);

	if(name == L"effect")
	{
		e->name = GetAttrib(L"name", pNode);
	}
	else if(name == L"keyframes")
	{
		BeginEnumChildren(pNode, pChild)
		{
			DeclareNameAndValue(pChild, name, val);

			if(name == L"keyframe")
			{
				CAutoPtr<keyframe_t> k(new keyframe_t);
				if(k)
				{
					ParseKeyframe(pChild, k);
					e->keyframes.AddTail(k);
				}
			}
		}
		EndEnumChildren

		return;
	}

	BeginEnumChildren(pNode, pChild)
	{
		ParseEffect(pChild, e);
	}
	EndEnumChildren
}

void CUSFSubtitles::ParseKeyframe(CComPtr<IXMLDOMNode> pNode, keyframe_t* k)
{
	DeclareNameAndValue(pNode, name, val);

	if(name == L"keyframe")
	{
		k->position = GetAttrib(L"position", pNode);
	}
	else if(name == L"fontstyle")
	{
		ParseFontstyle(pNode, k->fontstyle);
		return;
	}
	else if(name == L"position")
	{
		ParsePal(pNode, k->pal);
		return;
	}
}

void CUSFSubtitles::ParseSubtitle(CComPtr<IXMLDOMNode> pNode, int start, int stop)
{
	DeclareNameAndValue(pNode, name, val);

	if(name == L"text" || name == L"karaoke")
	{
		CAutoPtr<text_t> t(new text_t);
		if(t)
		{
			t->start = start;
			t->stop = stop;
			t->style = GetAttrib(L"style", pNode);
			t->effect = GetAttrib(L"effect", pNode);
			ParsePal(pNode, t->pal);
			ParseText(pNode, t->str);
			texts.AddTail(t);
		}

		return;
	}
//	else if

	BeginEnumChildren(pNode, pChild)
	{
		ParseSubtitle(pChild, start, stop);
	}
	EndEnumChildren
}

void CUSFSubtitles::ParseText(CComPtr<IXMLDOMNode> pNode, CStringW& str)
{
	DeclareNameAndValue(pNode, name, val);

	CStringW prefix, postfix;

	if(name == L"b")
	{
		prefix = L"{\\b1}";
		postfix = L"{\\b}";
	}
	else if(name == L"i")
	{
		prefix = L"{\\i1}";
		postfix = L"{\\i}";
	}
	else if(name == L"u")
	{
		prefix = L"{\\u1}";
		postfix = L"{\\u}";
	}
	else if(name == L"font")
	{
		fontstyle_t fs;
		ParseFontstyle(pNode, fs);

		if(!fs.face.IsEmpty()) {prefix += L"{\\fn" + fs.face + L"}"; postfix += L"{\\fn}";}
		if(!fs.size.IsEmpty()) {prefix += L"{\\fs" + fs.size + L"}"; postfix += L"{\\fs}";}
		if(!fs.outline.IsEmpty()) {prefix += L"{\\bord" + fs.outline + L"}"; postfix += L"{\\bord}";}
		if(!fs.shadow.IsEmpty()) {prefix += L"{\\shad" + fs.shadow + L"}"; postfix += L"{\\shad}";}

		for(int i = 0; i < 4; i++)
		{
			if(!fs.color[i].IsEmpty())
			{
				CStringW s;
				s.Format(L"{\\%dc&H%06x&}", i+1, ColorToDWORD(fs.color[i]));
				prefix += s;
				s.Format(L"{\\%dc}", i+1);
				postfix += s;
			}
		}
	}
	else if(name == L"k")
	{
		int t = wcstol(GetAttrib(L"t", pNode), NULL, 10);
		CStringW s;
		s.Format(L"{\\kf%d}", t / 10);
		str += s;
		return;
	}
	else if(name == L"br")
	{
		str += L"\\N";
		return;
	}
	else if(name == L"#text")
	{
		str += GetXML(pNode);
		return;
	}

	BeginEnumChildren(pNode, pChild)
	{
		CStringW s;
		ParseText(pChild, s);
		str += s;
	}
	EndEnumChildren

	str = prefix + str + postfix;
}

void CUSFSubtitles::ParseShape(CComPtr<IXMLDOMNode> pNode)
{
	// no specs on this yet
}