Merge to XFA - else after returns.

(cherry picked from commit 3c012fef2bb72c8ec1faa73e11ee35539b2559d6)
Original Review URL: https://codereview.chromium.org/1243953004 .

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1239313005 .

1 files changed, 344 insertions, 372 deletions

diff --git a/fpdfsdk/src/pdfwindow/PWL_FontMap.cpp b/fpdfsdk/src/pdfwindow/PWL_FontMap.cpp
index 1f20d12aca..5fb9c99c3a 100644
--- a/fpdfsdk/src/pdfwindow/PWL_FontMap.cpp
+++ b/fpdfsdk/src/pdfwindow/PWL_FontMap.cpp
@@ -8,15 +8,15 @@
 #include "../../include/pdfwindow/PWL_Wnd.h"
 #include "../../include/pdfwindow/PWL_FontMap.h"
 
-#define DEFAULT_FONT_NAME			"Helvetica"
+#define DEFAULT_FONT_NAME           "Helvetica"
 
 /* ------------------------------ CPWL_FontMap ------------------------------ */
 
 CPWL_FontMap::CPWL_FontMap(IFX_SystemHandler* pSystemHandler) :
-	m_pPDFDoc(NULL),
-	m_pSystemHandler(pSystemHandler)
+    m_pPDFDoc(NULL),
+    m_pSystemHandler(pSystemHandler)
 {
-	ASSERT(m_pSystemHandler != NULL);
+    ASSERT(m_pSystemHandler != NULL);
 }
 
 CPWL_FontMap::~CPWL_FontMap()
@@ -29,7 +29,7 @@ CPWL_FontMap::~CPWL_FontMap()
 
 void CPWL_FontMap::SetSystemHandler(IFX_SystemHandler* pSystemHandler)
 {
-	m_pSystemHandler = pSystemHandler;
+    m_pSystemHandler = pSystemHandler;
 }
 
 CPDF_Document* CPWL_FontMap::GetDocument()
@@ -43,163 +43,153 @@ CPDF_Document* CPWL_FontMap::GetDocument()
 		}
 	}
 
-	return m_pPDFDoc;
+    return m_pPDFDoc;
 }
 
 CPDF_Font* CPWL_FontMap::GetPDFFont(int32_t nFontIndex)
 {
-	if (nFontIndex >=0 && nFontIndex < m_aData.GetSize())
-	{
-		if (CPWL_FontMap_Data* pData = m_aData.GetAt(nFontIndex))
-		{
-			return pData->pFont;
-		}
-	}
+    if (nFontIndex >=0 && nFontIndex < m_aData.GetSize())
+    {
+        if (CPWL_FontMap_Data* pData = m_aData.GetAt(nFontIndex))
+        {
+            return pData->pFont;
+        }
+    }
 
-	return NULL;
+    return NULL;
 }
 
 CFX_ByteString CPWL_FontMap::GetPDFFontAlias(int32_t nFontIndex)
 {
-	if (nFontIndex >=0 && nFontIndex < m_aData.GetSize())
-	{
-		if (CPWL_FontMap_Data* pData = m_aData.GetAt(nFontIndex))
-		{
-			return pData->sFontName;
-		}
-	}
+    if (nFontIndex >=0 && nFontIndex < m_aData.GetSize())
+    {
+        if (CPWL_FontMap_Data* pData = m_aData.GetAt(nFontIndex))
+        {
+            return pData->sFontName;
+        }
+    }
 
-	return "";
+    return "";
 }
 
 FX_BOOL CPWL_FontMap::KnowWord(int32_t nFontIndex, FX_WORD word)
 {
-	if (nFontIndex >=0 && nFontIndex < m_aData.GetSize())
-	{
-		if (m_aData.GetAt(nFontIndex))
-		{
-			return CharCodeFromUnicode(nFontIndex, word) >= 0;
-		}
-	}
+    if (nFontIndex >=0 && nFontIndex < m_aData.GetSize())
+    {
+        if (m_aData.GetAt(nFontIndex))
+        {
+            return CharCodeFromUnicode(nFontIndex, word) >= 0;
+        }
+    }
 
-	return FALSE;
+    return FALSE;
 }
 
 int32_t CPWL_FontMap::GetWordFontIndex(FX_WORD word, int32_t nCharset, int32_t nFontIndex)
 {
-	if (nFontIndex > 0)
-	{
-		if (KnowWord(nFontIndex, word))
-			return nFontIndex;
-	}
-	else
-	{
-		if (const CPWL_FontMap_Data* pData = GetFontMapData(0))
-		{
-			if (nCharset == DEFAULT_CHARSET ||
-				pData->nCharset == SYMBOL_CHARSET ||
-				nCharset == pData->nCharset)
-			{
-				if (KnowWord(0, word))
-				{
-					return 0;
-				}
-			}
-		}
-	}
-
-	int32_t nNewFontIndex = -1;
-
-	nNewFontIndex = GetFontIndex(GetNativeFontName(nCharset), nCharset, TRUE);
-	if (nNewFontIndex >= 0)
-	{
-		if (KnowWord(nNewFontIndex, word))
-			return nNewFontIndex;
-	}
-
-	nNewFontIndex = GetFontIndex("Arial Unicode MS", DEFAULT_CHARSET, FALSE);
-	if (nNewFontIndex >= 0)
-	{
-		if (KnowWord(nNewFontIndex, word))
-		return nNewFontIndex;
-	}
-
-	return -1;
+    if (nFontIndex > 0)
+    {
+        if (KnowWord(nFontIndex, word))
+            return nFontIndex;
+    }
+    else
+    {
+        if (const CPWL_FontMap_Data* pData = GetFontMapData(0))
+        {
+            if (nCharset == DEFAULT_CHARSET ||
+                pData->nCharset == SYMBOL_CHARSET ||
+                nCharset == pData->nCharset)
+            {
+                if (KnowWord(0, word))
+                    return 0;
+            }
+        }
+    }
+
+    int32_t nNewFontIndex = GetFontIndex(GetNativeFontName(nCharset), nCharset, TRUE);
+    if (nNewFontIndex >= 0)
+    {
+        if (KnowWord(nNewFontIndex, word))
+            return nNewFontIndex;
+    }
+    nNewFontIndex = GetFontIndex("Arial Unicode MS", DEFAULT_CHARSET, FALSE);
+    if (nNewFontIndex >= 0)
+    {
+        if (KnowWord(nNewFontIndex, word))
+            return nNewFontIndex;
+    }
+    return -1;
 }
 
 int32_t CPWL_FontMap::CharCodeFromUnicode(int32_t nFontIndex, FX_WORD word)
 {
-	if (CPWL_FontMap_Data* pData = m_aData.GetAt(nFontIndex))
-	{
-		if (pData->pFont)
-		{
-			if (pData->pFont->IsUnicodeCompatible())
-			{
-				int nCharCode = pData->pFont->CharCodeFromUnicode(word);
-				pData->pFont->GlyphFromCharCode(nCharCode);
-				return nCharCode;
-			}
-			else
-			{
-				if (word < 0xFF)
-					return word;
-			}
-		}
-	}
-
-	return -1;
+    if (CPWL_FontMap_Data* pData = m_aData.GetAt(nFontIndex))
+    {
+        if (pData->pFont)
+        {
+            if (pData->pFont->IsUnicodeCompatible())
+            {
+                int nCharCode = pData->pFont->CharCodeFromUnicode(word);
+                pData->pFont->GlyphFromCharCode(nCharCode);
+                return nCharCode;
+            }
+            if (word < 0xFF)
+                return word;
+        }
+    }
+    return -1;
 }
 
 CFX_ByteString CPWL_FontMap::GetNativeFontName(int32_t nCharset)
 {
-	//searching native font is slow, so we must save time
-	for (int32_t i=0,sz=m_aNativeFont.GetSize(); i<sz; i++)
-	{
-		if (CPWL_FontMap_Native* pData = m_aNativeFont.GetAt(i))
-		{
-			if (pData->nCharset == nCharset)
-				return pData->sFontName;
-		}
-	}
+    //searching native font is slow, so we must save time
+    for (int32_t i=0,sz=m_aNativeFont.GetSize(); i<sz; i++)
+    {
+        if (CPWL_FontMap_Native* pData = m_aNativeFont.GetAt(i))
+        {
+            if (pData->nCharset == nCharset)
+                return pData->sFontName;
+        }
+    }
 
-	CFX_ByteString sNew = GetNativeFont(nCharset);
+    CFX_ByteString sNew = GetNativeFont(nCharset);
 
-	if (!sNew.IsEmpty())
-	{
-		CPWL_FontMap_Native* pNewData = new CPWL_FontMap_Native;
-		pNewData->nCharset = nCharset;
-		pNewData->sFontName = sNew;
+    if (!sNew.IsEmpty())
+    {
+        CPWL_FontMap_Native* pNewData = new CPWL_FontMap_Native;
+        pNewData->nCharset = nCharset;
+        pNewData->sFontName = sNew;
 
-		m_aNativeFont.Add(pNewData);
-	}
+        m_aNativeFont.Add(pNewData);
+    }
 
-	return sNew;
+    return sNew;
 }
 
 void CPWL_FontMap::Empty()
 {
-	{
-		for (int32_t i=0, sz=m_aData.GetSize(); i<sz; i++)
-			delete m_aData.GetAt(i);
+    {
+        for (int32_t i=0, sz=m_aData.GetSize(); i<sz; i++)
+            delete m_aData.GetAt(i);
 
-		m_aData.RemoveAll();
-	}
-	{
-		for (int32_t i=0, sz=m_aNativeFont.GetSize(); i<sz; i++)
-			delete m_aNativeFont.GetAt(i);
+        m_aData.RemoveAll();
+    }
+    {
+        for (int32_t i=0, sz=m_aNativeFont.GetSize(); i<sz; i++)
+            delete m_aNativeFont.GetAt(i);
 
-		m_aNativeFont.RemoveAll();
-	}
+        m_aNativeFont.RemoveAll();
+    }
 }
 
 void CPWL_FontMap::Initial(const FX_CHAR* fontname)
 {
-	CFX_ByteString sFontName = fontname;
+    CFX_ByteString sFontName = fontname;
 
-	if (sFontName.IsEmpty())
-		sFontName = DEFAULT_FONT_NAME;
+    if (sFontName.IsEmpty())
+        sFontName = DEFAULT_FONT_NAME;
 
-	GetFontIndex(sFontName, ANSI_CHARSET, FALSE);
+    GetFontIndex(sFontName, ANSI_CHARSET, FALSE);
 }
 
 
@@ -212,122 +202,107 @@ Symbol, ZapfDingbats
 */
 
 const char* g_sDEStandardFontName[] = {"Courier", "Courier-Bold", "Courier-BoldOblique", "Courier-Oblique",
-	"Helvetica", "Helvetica-Bold", "Helvetica-BoldOblique", "Helvetica-Oblique",
-	"Times-Roman", "Times-Bold", "Times-Italic", "Times-BoldItalic",
-	"Symbol", "ZapfDingbats"};
+    "Helvetica", "Helvetica-Bold", "Helvetica-BoldOblique", "Helvetica-Oblique",
+    "Times-Roman", "Times-Bold", "Times-Italic", "Times-BoldItalic",
+    "Symbol", "ZapfDingbats"};
 
-FX_BOOL	CPWL_FontMap::IsStandardFont(const CFX_ByteString& sFontName)
+FX_BOOL CPWL_FontMap::IsStandardFont(const CFX_ByteString& sFontName)
 {
-	for (int32_t i=0; i<14; i++)
-	{
-		if (sFontName == g_sDEStandardFontName[i])
-			return TRUE;
-	}
+    for (int32_t i=0; i<14; i++)
+    {
+        if (sFontName == g_sDEStandardFontName[i])
+            return TRUE;
+    }
 
-	return FALSE;
+    return FALSE;
 }
 
 int32_t CPWL_FontMap::FindFont(const CFX_ByteString& sFontName, int32_t nCharset)
 {
-	for (int32_t i=0,sz=m_aData.GetSize(); i<sz; i++)
-	{
-		if (CPWL_FontMap_Data* pData = m_aData.GetAt(i))
-		{
-			if (nCharset == DEFAULT_CHARSET || nCharset == pData->nCharset)
-			{
-				if (sFontName.IsEmpty() || pData->sFontName == sFontName)
-					return i;
-			}
-		}
-	}
+    for (int32_t i=0,sz=m_aData.GetSize(); i<sz; i++)
+    {
+        if (CPWL_FontMap_Data* pData = m_aData.GetAt(i))
+        {
+            if (nCharset == DEFAULT_CHARSET || nCharset == pData->nCharset)
+            {
+                if (sFontName.IsEmpty() || pData->sFontName == sFontName)
+                    return i;
+            }
+        }
+    }
 
-	return -1;
+    return -1;
 }
 
 int32_t CPWL_FontMap::GetFontIndex(const CFX_ByteString& sFontName, int32_t nCharset, FX_BOOL bFind)
 {
-	int32_t nFontIndex = FindFont(EncodeFontAlias(sFontName, nCharset), nCharset);
-	if (nFontIndex >= 0) return nFontIndex;
-
-//	nFontIndex = FindFont("", nCharset);
-//	if (nFontIndex >= 0) return nFontIndex;
-
-	CFX_ByteString sAlias;
-	CPDF_Font* pFont = NULL;
-
-	if (bFind)
-		pFont = FindFontSameCharset(sAlias, nCharset);
-
-	if (!pFont)
-	{
-		CFX_ByteString sTemp = sFontName;
-		pFont = AddFontToDocument(GetDocument(), sTemp, nCharset);
-
-		/*
-		if (FindFont(sAlias))
-		{
-			sAlias = EncodeFontAlias(sTemp, nCharset);
-		}
-		else
-		*/
-		{
-			sAlias = EncodeFontAlias(sTemp, nCharset);
-		}
-	}
+    int32_t nFontIndex = FindFont(EncodeFontAlias(sFontName, nCharset), nCharset);
+    if (nFontIndex >= 0)
+        return nFontIndex;
 
-	AddedFont(pFont, sAlias);
+    CFX_ByteString sAlias;
+    CPDF_Font* pFont = NULL;
+    if (bFind)
+        pFont = FindFontSameCharset(sAlias, nCharset);
 
-	return AddFontData(pFont, sAlias, nCharset);
+    if (!pFont)
+    {
+        CFX_ByteString sTemp = sFontName;
+        pFont = AddFontToDocument(GetDocument(), sTemp, nCharset);
+        sAlias = EncodeFontAlias(sTemp, nCharset);
+    }
+    AddedFont(pFont, sAlias);
+    return AddFontData(pFont, sAlias, nCharset);
 }
 
 int32_t CPWL_FontMap::GetPWLFontIndex(FX_WORD word, int32_t nCharset)
 {
-	int32_t nFind = -1;
+    int32_t nFind = -1;
 
-	for (int32_t i=0,sz=m_aData.GetSize(); i<sz; i++)
-	{
-		if (CPWL_FontMap_Data* pData = m_aData.GetAt(i))
-		{
-			if (pData->nCharset == nCharset)
-			{
-				nFind = i;
-				break;
-			}
-		}
-	}
+    for (int32_t i=0,sz=m_aData.GetSize(); i<sz; i++)
+    {
+        if (CPWL_FontMap_Data* pData = m_aData.GetAt(i))
+        {
+            if (pData->nCharset == nCharset)
+            {
+                nFind = i;
+                break;
+            }
+        }
+    }
 
-	CPDF_Font* pNewFont = GetPDFFont(nFind);
+    CPDF_Font* pNewFont = GetPDFFont(nFind);
 
-	if (!pNewFont) return -1;
+    if (!pNewFont) return -1;
 
-	/*
-	if (CPDF_Font* pFont = GetPDFFont(nFind))
-	{
-		PWLFont.AddWordToFontDict(pFontDict, word);
-	}
-	*/
+    /*
+    if (CPDF_Font* pFont = GetPDFFont(nFind))
+    {
+        PWLFont.AddWordToFontDict(pFontDict, word);
+    }
+    */
 
-	CFX_ByteString sAlias = EncodeFontAlias("Arial_Chrome", nCharset);
-	AddedFont(pNewFont, sAlias);
+    CFX_ByteString sAlias = EncodeFontAlias("Arial_Chrome", nCharset);
+    AddedFont(pNewFont, sAlias);
 
-	return AddFontData(pNewFont, sAlias, nCharset);
+    return AddFontData(pNewFont, sAlias, nCharset);
 }
 
 CPDF_Font* CPWL_FontMap::FindFontSameCharset(CFX_ByteString& sFontAlias, int32_t nCharset)
 {
-	return NULL;
+    return NULL;
 }
 
 int32_t CPWL_FontMap::AddFontData(CPDF_Font* pFont, const CFX_ByteString& sFontAlias, int32_t nCharset)
 {
-	CPWL_FontMap_Data* pNewData = new CPWL_FontMap_Data;
-	pNewData->pFont = pFont;
-	pNewData->sFontName = sFontAlias;
-	pNewData->nCharset = nCharset;
+    CPWL_FontMap_Data* pNewData = new CPWL_FontMap_Data;
+    pNewData->pFont = pFont;
+    pNewData->sFontName = sFontAlias;
+    pNewData->nCharset = nCharset;
 
-	m_aData.Add(pNewData);
+    m_aData.Add(pNewData);
 
-	return m_aData.GetSize() -1;
+    return m_aData.GetSize() -1;
 }
 
 void CPWL_FontMap::AddedFont(CPDF_Font* pFont, const CFX_ByteString& sFontAlias)
@@ -336,253 +311,250 @@ void CPWL_FontMap::AddedFont(CPDF_Font* pFont, const CFX_ByteString& sFontAlias)
 
 CFX_ByteString CPWL_FontMap::GetFontName(int32_t nFontIndex)
 {
-	if (nFontIndex >=0 && nFontIndex < m_aData.GetSize())
-	{
-		if (CPWL_FontMap_Data* pData = m_aData.GetAt(nFontIndex))
-		{
-			return pData->sFontName;
-		}
-	}
+    if (nFontIndex >=0 && nFontIndex < m_aData.GetSize())
+    {
+        if (CPWL_FontMap_Data* pData = m_aData.GetAt(nFontIndex))
+        {
+            return pData->sFontName;
+        }
+    }
 
-	return "";
+    return "";
 }
 
 CFX_ByteString CPWL_FontMap::GetNativeFont(int32_t nCharset)
 {
-	CFX_ByteString sFontName;
-
-	if (nCharset == DEFAULT_CHARSET)
-		nCharset = GetNativeCharset();
 
-	sFontName = GetDefaultFontByCharset(nCharset);
+    if (nCharset == DEFAULT_CHARSET)
+        nCharset = GetNativeCharset();
 
-	if (m_pSystemHandler)
-	{
-		if (m_pSystemHandler->FindNativeTrueTypeFont(nCharset, sFontName))
-			return sFontName;
-
-		sFontName = m_pSystemHandler->GetNativeTrueTypeFont(nCharset);
-	}
+    CFX_ByteString sFontName = GetDefaultFontByCharset(nCharset);
+    if (m_pSystemHandler)
+    {
+        if (m_pSystemHandler->FindNativeTrueTypeFont(nCharset, sFontName))
+            return sFontName;
 
-	return sFontName;
+        sFontName = m_pSystemHandler->GetNativeTrueTypeFont(nCharset);
+    }
+    return sFontName;
 }
 
 CPDF_Font* CPWL_FontMap::AddFontToDocument(CPDF_Document* pDoc, CFX_ByteString& sFontName, uint8_t nCharset)
 {
-	if (IsStandardFont(sFontName))
-		return AddStandardFont(pDoc, sFontName);
-	else
-		return AddSystemFont(pDoc, sFontName, nCharset);
+    if (IsStandardFont(sFontName))
+        return AddStandardFont(pDoc, sFontName);
+
+    return AddSystemFont(pDoc, sFontName, nCharset);
 }
 
 CPDF_Font* CPWL_FontMap::AddStandardFont(CPDF_Document* pDoc, CFX_ByteString& sFontName)
 {
-	if (!pDoc) return NULL;
+    if (!pDoc) return NULL;
 
-	CPDF_Font* pFont = NULL;
+    CPDF_Font* pFont = NULL;
 
-	if (sFontName == "ZapfDingbats")
-		pFont = pDoc->AddStandardFont(sFontName, NULL);
-	else
-	{
-		CPDF_FontEncoding fe(PDFFONT_ENCODING_WINANSI);
-		pFont = pDoc->AddStandardFont(sFontName, &fe);
-	}
+    if (sFontName == "ZapfDingbats")
+        pFont = pDoc->AddStandardFont(sFontName, NULL);
+    else
+    {
+        CPDF_FontEncoding fe(PDFFONT_ENCODING_WINANSI);
+        pFont = pDoc->AddStandardFont(sFontName, &fe);
+    }
 
-	return pFont;
+    return pFont;
 }
 
 CPDF_Font* CPWL_FontMap::AddSystemFont(CPDF_Document* pDoc, CFX_ByteString& sFontName, uint8_t nCharset)
 {
-	if (!pDoc) return NULL;
+    if (!pDoc) return NULL;
 
-	if (sFontName.IsEmpty()) sFontName = GetNativeFont(nCharset);
-	if (nCharset == DEFAULT_CHARSET) nCharset = GetNativeCharset();
+    if (sFontName.IsEmpty()) sFontName = GetNativeFont(nCharset);
+    if (nCharset == DEFAULT_CHARSET) nCharset = GetNativeCharset();
 
-	if (m_pSystemHandler)
-		return m_pSystemHandler->AddNativeTrueTypeFontToPDF(pDoc, sFontName, nCharset);
+    if (m_pSystemHandler)
+        return m_pSystemHandler->AddNativeTrueTypeFontToPDF(pDoc, sFontName, nCharset);
 
-	return NULL;
+    return NULL;
 }
 
 CFX_ByteString CPWL_FontMap::EncodeFontAlias(const CFX_ByteString& sFontName, int32_t nCharset)
 {
-	CFX_ByteString sPostfix;
-	sPostfix.Format("_%02X", nCharset);
-	return EncodeFontAlias(sFontName) + sPostfix;
+    CFX_ByteString sPostfix;
+    sPostfix.Format("_%02X", nCharset);
+    return EncodeFontAlias(sFontName) + sPostfix;
 }
 
 CFX_ByteString CPWL_FontMap::EncodeFontAlias(const CFX_ByteString& sFontName)
 {
-	CFX_ByteString sRet = sFontName;
-	sRet.Remove(' ');
-	return sRet;
+    CFX_ByteString sRet = sFontName;
+    sRet.Remove(' ');
+    return sRet;
 }
 
 int32_t CPWL_FontMap::GetFontMapCount() const
 {
-	return m_aData.GetSize();
+    return m_aData.GetSize();
 }
 
 const CPWL_FontMap_Data* CPWL_FontMap::GetFontMapData(int32_t nIndex) const
 {
-	if (nIndex >=0 && nIndex < m_aData.GetSize())
-	{
-		return m_aData.GetAt(nIndex);
-	}
+    if (nIndex >=0 && nIndex < m_aData.GetSize())
+    {
+        return m_aData.GetAt(nIndex);
+    }
 
-	return NULL;
+    return NULL;
 }
 
 int32_t CPWL_FontMap::GetNativeCharset()
 {
-	uint8_t nCharset = ANSI_CHARSET;
-	int32_t iCodePage = FXSYS_GetACP();
-	switch (iCodePage)
-	{
-	case 932://Japan
-		nCharset = SHIFTJIS_CHARSET;
-		break;
-	case 936://Chinese (PRC, Singapore)
-		nCharset = GB2312_CHARSET;
-		break;
-	case 950://Chinese (Taiwan; Hong Kong SAR, PRC)
-		nCharset = GB2312_CHARSET;
-		break;
-	case 1252://Windows 3.1 Latin 1 (US, Western Europe)
-		nCharset = ANSI_CHARSET;
-		break;
-	case 874://Thai
-		nCharset = THAI_CHARSET;
-		break;
-	case 949://Korean
-		nCharset = HANGUL_CHARSET;
-		break;
-	case 1200://Unicode (BMP of ISO 10646)
-		nCharset = ANSI_CHARSET;
-		break;
-	case 1250://Windows 3.1 Eastern European
-		nCharset = EASTEUROPE_CHARSET;
-		break;
-	case 1251://Windows 3.1 Cyrillic
-		nCharset = RUSSIAN_CHARSET;
-		break;
-	case 1253://Windows 3.1 Greek
-		nCharset = GREEK_CHARSET;
-		break;
-	case 1254://Windows 3.1 Turkish
-		nCharset = TURKISH_CHARSET;
-		break;
-	case 1255://Hebrew
-		nCharset = HEBREW_CHARSET;
-		break;
-	case 1256://Arabic
-		nCharset = ARABIC_CHARSET;
-		break;
-	case 1257://Baltic
-		nCharset = BALTIC_CHARSET;
-		break;
-	case 1258://Vietnamese
-		nCharset = VIETNAMESE_CHARSET;
-		break;
-	case 1361://Korean(Johab)
-		nCharset = JOHAB_CHARSET;
-		break;
-	}
-	return nCharset;
+    uint8_t nCharset = ANSI_CHARSET;
+    int32_t iCodePage = FXSYS_GetACP();
+    switch (iCodePage)
+    {
+    case 932://Japan
+        nCharset = SHIFTJIS_CHARSET;
+        break;
+    case 936://Chinese (PRC, Singapore)
+        nCharset = GB2312_CHARSET;
+        break;
+    case 950://Chinese (Taiwan; Hong Kong SAR, PRC)
+        nCharset = GB2312_CHARSET;
+        break;
+    case 1252://Windows 3.1 Latin 1 (US, Western Europe)
+        nCharset = ANSI_CHARSET;
+        break;
+    case 874://Thai
+        nCharset = THAI_CHARSET;
+        break;
+    case 949://Korean
+        nCharset = HANGUL_CHARSET;
+        break;
+    case 1200://Unicode (BMP of ISO 10646)
+        nCharset = ANSI_CHARSET;
+        break;
+    case 1250://Windows 3.1 Eastern European
+        nCharset = EASTEUROPE_CHARSET;
+        break;
+    case 1251://Windows 3.1 Cyrillic
+        nCharset = RUSSIAN_CHARSET;
+        break;
+    case 1253://Windows 3.1 Greek
+        nCharset = GREEK_CHARSET;
+        break;
+    case 1254://Windows 3.1 Turkish
+        nCharset = TURKISH_CHARSET;
+        break;
+    case 1255://Hebrew
+        nCharset = HEBREW_CHARSET;
+        break;
+    case 1256://Arabic
+        nCharset = ARABIC_CHARSET;
+        break;
+    case 1257://Baltic
+        nCharset = BALTIC_CHARSET;
+        break;
+    case 1258://Vietnamese
+        nCharset = VIETNAMESE_CHARSET;
+        break;
+    case 1361://Korean(Johab)
+        nCharset = JOHAB_CHARSET;
+        break;
+    }
+    return nCharset;
 }
 
 const CPWL_FontMap::CharsetFontMap CPWL_FontMap::defaultTTFMap[] = {
-	{ ANSI_CHARSET, "Helvetica" },
-	{ GB2312_CHARSET, "SimSun" },
-	{ CHINESEBIG5_CHARSET, "MingLiU" },
-	{ SHIFTJIS_CHARSET, "MS Gothic" },
-	{ HANGUL_CHARSET, "Batang" },
-	{ RUSSIAN_CHARSET, "Arial" },
+    { ANSI_CHARSET, "Helvetica" },
+    { GB2312_CHARSET, "SimSun" },
+    { CHINESEBIG5_CHARSET, "MingLiU" },
+    { SHIFTJIS_CHARSET, "MS Gothic" },
+    { HANGUL_CHARSET, "Batang" },
+    { RUSSIAN_CHARSET, "Arial" },
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ || _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
-	{ EASTEUROPE_CHARSET, "Arial" },
+    { EASTEUROPE_CHARSET, "Arial" },
 #else
-	{ EASTEUROPE_CHARSET, "Tahoma" },
+    { EASTEUROPE_CHARSET, "Tahoma" },
 #endif
-	{ ARABIC_CHARSET, "Arial" },
-	{ -1, NULL }
+    { ARABIC_CHARSET, "Arial" },
+    { -1, NULL }
 };
 
 CFX_ByteString CPWL_FontMap::GetDefaultFontByCharset(int32_t nCharset)
 {
-	int i = 0;
-	while (defaultTTFMap[i].charset != -1) {
-		if (nCharset == defaultTTFMap[i].charset)
-			return defaultTTFMap[i].fontname;
+    int i = 0;
+    while (defaultTTFMap[i].charset != -1) {
+        if (nCharset == defaultTTFMap[i].charset)
+            return defaultTTFMap[i].fontname;
         ++i;
-	}
-	return "";
+    }
+    return "";
 }
 
 int32_t CPWL_FontMap::CharSetFromUnicode(FX_WORD word, int32_t nOldCharset)
 {
-	if(m_pSystemHandler && (-1 != m_pSystemHandler->GetCharSet()))
-		return m_pSystemHandler->GetCharSet();
-	//to avoid CJK Font to show ASCII
-	if (word < 0x7F) return ANSI_CHARSET;
-	//follow the old charset
-	if (nOldCharset != DEFAULT_CHARSET) return nOldCharset;
-
-	//find new charset
-	if ((word >= 0x4E00 && word <= 0x9FA5) ||
-		(word >= 0xE7C7 && word <= 0xE7F3) ||
-		(word >= 0x3000 && word <= 0x303F) ||
-		(word >= 0x2000 && word <= 0x206F))
-	{
-		return GB2312_CHARSET;
-	}
+    if(m_pSystemHandler && (-1 != m_pSystemHandler->GetCharSet()))
+        return m_pSystemHandler->GetCharSet();
+    //to avoid CJK Font to show ASCII
+    if (word < 0x7F) return ANSI_CHARSET;
+    //follow the old charset
+    if (nOldCharset != DEFAULT_CHARSET) return nOldCharset;
 
-	if (((word >= 0x3040) && (word <= 0x309F)) ||
-		((word >= 0x30A0) && (word <= 0x30FF)) ||
-		((word >= 0x31F0) && (word <= 0x31FF)) ||
-		((word >= 0xFF00) && (word <= 0xFFEF)) )
-	{
-		return SHIFTJIS_CHARSET;
-	}
+    //find new charset
+    if ((word >= 0x4E00 && word <= 0x9FA5) ||
+        (word >= 0xE7C7 && word <= 0xE7F3) ||
+        (word >= 0x3000 && word <= 0x303F) ||
+        (word >= 0x2000 && word <= 0x206F))
+    {
+        return GB2312_CHARSET;
+    }
 
-	if (((word >= 0xAC00) && (word <= 0xD7AF)) ||
-		((word >= 0x1100) && (word <= 0x11FF)) ||
-		((word >= 0x3130) && (word <= 0x318F)))
-	{
-		return HANGUL_CHARSET;
-	}
+    if (((word >= 0x3040) && (word <= 0x309F)) ||
+        ((word >= 0x30A0) && (word <= 0x30FF)) ||
+        ((word >= 0x31F0) && (word <= 0x31FF)) ||
+        ((word >= 0xFF00) && (word <= 0xFFEF)) )
+    {
+        return SHIFTJIS_CHARSET;
+    }
+
+    if (((word >= 0xAC00) && (word <= 0xD7AF)) ||
+        ((word >= 0x1100) && (word <= 0x11FF)) ||
+        ((word >= 0x3130) && (word <= 0x318F)))
+    {
+        return HANGUL_CHARSET;
+    }
 
-	if (word >= 0x0E00 && word <= 0x0E7F)
-		return THAI_CHARSET;
+    if (word >= 0x0E00 && word <= 0x0E7F)
+        return THAI_CHARSET;
 
-	if ((word >= 0x0370 && word <= 0x03FF) ||
-		(word >= 0x1F00 && word <= 0x1FFF))
-		return GREEK_CHARSET;
+    if ((word >= 0x0370 && word <= 0x03FF) ||
+        (word >= 0x1F00 && word <= 0x1FFF))
+        return GREEK_CHARSET;
 
-	if ((word >= 0x0600 && word <= 0x06FF) ||
-		(word >= 0xFB50 && word <= 0xFEFC))
-		return ARABIC_CHARSET;
+    if ((word >= 0x0600 && word <= 0x06FF) ||
+        (word >= 0xFB50 && word <= 0xFEFC))
+        return ARABIC_CHARSET;
 
-	if (word >= 0x0590 && word <= 0x05FF)
-		return HEBREW_CHARSET;
+    if (word >= 0x0590 && word <= 0x05FF)
+        return HEBREW_CHARSET;
 
-	if (word >= 0x0400 && word <= 0x04FF)
-		return RUSSIAN_CHARSET;
+    if (word >= 0x0400 && word <= 0x04FF)
+        return RUSSIAN_CHARSET;
 
-	if (word >= 0x0100 && word <= 0x024F)
-		return EASTEUROPE_CHARSET;
+    if (word >= 0x0100 && word <= 0x024F)
+        return EASTEUROPE_CHARSET;
 
-	if (word >= 0x1E00 && word <= 0x1EFF)
-		return VIETNAMESE_CHARSET;
+    if (word >= 0x1E00 && word <= 0x1EFF)
+        return VIETNAMESE_CHARSET;
 
-	return ANSI_CHARSET;
+    return ANSI_CHARSET;
 }
 
 /* ------------------------ CPWL_DocFontMap ------------------------ */
 
 CPWL_DocFontMap::CPWL_DocFontMap(IFX_SystemHandler* pSystemHandler, CPDF_Document* pAttachedDoc)
-	: CPWL_FontMap(pSystemHandler),
-	m_pAttachedDoc(pAttachedDoc)
+    : CPWL_FontMap(pSystemHandler),
+    m_pAttachedDoc(pAttachedDoc)
 {
 }
 
@@ -592,5 +564,5 @@ CPWL_DocFontMap::~CPWL_DocFontMap()
 
 CPDF_Document* CPWL_DocFontMap::GetDocument()
 {
-	return m_pAttachedDoc;
+    return m_pAttachedDoc;
 }