FontCustomPlatformData* createFontCustomPlatformData(SharedBuffer* buffer)
{
ASSERT_ARG(buffer, buffer);
#if ENABLE(OPENTYPE_SANITIZER)
OpenTypeSanitizer sanitizer(buffer);
RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize();
if (!transcodeBuffer)
return 0; // validation failed.
buffer = transcodeBuffer.get();
#endif
#if OS(WINDOWS)
// Introduce the font to GDI. AddFontMemResourceEx should be used with care, because it will pollute the process's
// font namespace (Windows has no API for creating an HFONT from data without exposing the font to the
// entire process first).
String fontName = createUniqueFontName();
HANDLE fontReference = renameAndActivateFont(buffer, fontName);
if (!fontReference)
return 0;
return new FontCustomPlatformData(fontReference, fontName);
#elif OS(LINUX) || OS(FREEBSD) || PLATFORM(BREWMP)
RemoteFontStream* stream = new RemoteFontStream(buffer);
SkTypeface* typeface = SkTypeface::CreateFromStream(stream);
if (!typeface)
return 0;
return new FontCustomPlatformData(typeface);
#else
notImplemented();
return 0;
#endif
}
PassOwnPtr<FontCustomPlatformData> FontCustomPlatformData::create(SharedBuffer* buffer)
{
ASSERT_ARG(buffer, buffer);
OpenTypeSanitizer sanitizer(buffer);
RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize();
if (!transcodeBuffer)
return nullptr; // validation failed.
buffer = transcodeBuffer.get();
SkMemoryStream* stream = new SkMemoryStream(buffer->getAsSkData().get());
RefPtr<SkTypeface> typeface = adoptRef(SkTypeface::CreateFromStream(stream));
if (!typeface)
return nullptr;
return adoptPtr(new FontCustomPlatformData(typeface.release()));
}
PassOwnPtr<FontCustomPlatformData> FontCustomPlatformData::create(SharedBuffer* buffer)
{
ASSERT_ARG(buffer, buffer);
OpenTypeSanitizer sanitizer(buffer);
RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize();
if (!transcodeBuffer)
return nullptr; // validation failed.
buffer = transcodeBuffer.get();
// Introduce the font to GDI. AddFontMemResourceEx should be used with care, because it will pollute the process's
// font namespace (Windows has no API for creating an HFONT from data without exposing the font to the
// entire process first).
String fontName = createUniqueFontName();
HANDLE fontReference = renameAndActivateFont(buffer, fontName);
if (!fontReference)
return nullptr;
return adoptPtr(new FontCustomPlatformData(fontReference, fontName));
}
NS_IMETHODIMP
nsParserUtils::Sanitize(const nsAString& aFromStr,
PRUint32 aFlags,
nsAString& aToStr)
{
nsCOMPtr<nsIURI> uri;
NS_NewURI(getter_AddRefs(uri), "about:blank");
nsCOMPtr<nsIPrincipal> principal =
do_CreateInstance("@mozilla.org/nullprincipal;1");
nsCOMPtr<nsIDOMDocument> domDocument;
nsresult rv = nsContentUtils::CreateDocument(EmptyString(),
EmptyString(),
nsnull,
uri,
uri,
principal,
nsnull,
DocumentFlavorHTML,
getter_AddRefs(domDocument));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIDocument> document = do_QueryInterface(domDocument);
rv = nsContentUtils::ParseDocumentHTML(aFromStr, document, false);
NS_ENSURE_SUCCESS(rv, rv);
nsTreeSanitizer sanitizer(aFlags);
sanitizer.Sanitize(document);
nsCOMPtr<nsIDocumentEncoder> encoder =
do_CreateInstance(NS_DOC_ENCODER_CONTRACTID_BASE "text/html");
encoder->NativeInit(document,
NS_LITERAL_STRING("text/html"),
nsIDocumentEncoder::OutputDontRewriteEncodingDeclaration |
nsIDocumentEncoder::OutputNoScriptContent |
nsIDocumentEncoder::OutputEncodeBasicEntities |
nsIDocumentEncoder::OutputLFLineBreak |
nsIDocumentEncoder::OutputRaw);
return encoder->EncodeToString(aToStr);
}
PassOwnPtr<FontCustomPlatformData> FontCustomPlatformData::create(SharedBuffer* buffer)
{
ASSERT_ARG(buffer, buffer);
OpenTypeSanitizer sanitizer(buffer);
RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize();
if (!transcodeBuffer)
return nullptr; // validation failed.
buffer = transcodeBuffer.get();
RefPtr<SkMemoryStream> stream = adoptRef(new SkMemoryStream(buffer->getAsSkData().get()));
#if OS(WIN) && !ENABLE(GDI_FONTS_ON_WINDOWS)
RefPtr<SkTypeface> typeface = adoptRef(FontCache::fontCache()->fontManager()->createFromStream(stream.get()));
#else
RefPtr<SkTypeface> typeface = adoptRef(SkTypeface::CreateFromStream(stream.get()));
#endif
if (!typeface)
return nullptr;
return adoptPtr(new FontCustomPlatformData(typeface.release()));
}
int test_dataFlowToFromParam(int aUniqueParamName)
{
sanitizer(aUniqueParamName);
sink(aUniqueParamName);
}
NS_IMETHODIMP
nsParserUtils::ParseFragment(const nsAString& aFragment,
PRUint32 aFlags,
bool aIsXML,
nsIURI* aBaseURI,
nsIDOMElement* aContextElement,
nsIDOMDocumentFragment** aReturn)
{
NS_ENSURE_ARG(aContextElement);
*aReturn = nsnull;
nsresult rv;
nsCOMPtr<nsIParser> parser = do_CreateInstance(kCParserCID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIDocument> document;
nsCOMPtr<nsIDOMDocument> domDocument;
nsCOMPtr<nsIDOMNode> contextNode;
contextNode = do_QueryInterface(aContextElement);
contextNode->GetOwnerDocument(getter_AddRefs(domDocument));
document = do_QueryInterface(domDocument);
NS_ENSURE_TRUE(document, NS_ERROR_NOT_AVAILABLE);
// stop scripts
nsRefPtr<nsScriptLoader> loader;
bool scripts_enabled = false;
if (document) {
loader = document->ScriptLoader();
scripts_enabled = loader->GetEnabled();
}
if (scripts_enabled) {
loader->SetEnabled(false);
}
// Wrap things in a div or body for parsing, but it won't show up in
// the fragment.
nsAutoTArray<nsString, 2> tagStack;
nsCAutoString base, spec;
if (aIsXML) {
// XHTML
if (aBaseURI) {
base.Append(NS_LITERAL_CSTRING(XHTML_DIV_TAG));
base.Append(NS_LITERAL_CSTRING(" xml:base=\""));
aBaseURI->GetSpec(spec);
// nsEscapeHTML is good enough, because we only need to get
// quotes, ampersands, and angle brackets
char* escapedSpec = nsEscapeHTML(spec.get());
if (escapedSpec)
base += escapedSpec;
NS_Free(escapedSpec);
base.Append(NS_LITERAL_CSTRING("\""));
tagStack.AppendElement(NS_ConvertUTF8toUTF16(base));
} else {
tagStack.AppendElement(NS_LITERAL_STRING(XHTML_DIV_TAG));
}
}
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsIContent> fragment;
if (aIsXML) {
rv = nsContentUtils::ParseFragmentXML(aFragment,
document,
tagStack,
true,
aReturn);
fragment = do_QueryInterface(*aReturn);
} else {
NS_NewDocumentFragment(aReturn,
document->NodeInfoManager());
fragment = do_QueryInterface(*aReturn);
rv = nsContentUtils::ParseFragmentHTML(aFragment,
fragment,
nsGkAtoms::body,
kNameSpaceID_XHTML,
false,
true);
// Now, set the base URI on all subtree roots.
if (aBaseURI) {
aBaseURI->GetSpec(spec);
nsAutoString spec16;
CopyUTF8toUTF16(spec, spec16);
nsIContent* node = fragment->GetFirstChild();
while (node) {
if (node->IsElement()) {
node->SetAttr(kNameSpaceID_XML,
nsGkAtoms::base,
nsGkAtoms::xml,
spec16,
false);
}
node = node->GetNextSibling();
}
}
}
if (fragment) {
nsTreeSanitizer sanitizer(aFlags);
sanitizer.Sanitize(fragment);
}
}
if (scripts_enabled)
loader->SetEnabled(true);
return rv;
}
FontCustomPlatformData* createFontCustomPlatformData(SharedBuffer* buffer)
{
ASSERT_ARG(buffer, buffer);
#if USE(OPENTYPE_SANITIZER)
OpenTypeSanitizer sanitizer(buffer);
RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize();
if (!transcodeBuffer)
return 0; // validation failed.
buffer = transcodeBuffer.get();
#else
RefPtr<SharedBuffer> sfntBuffer;
if (isWOFF(buffer)) {
Vector<char> sfnt;
if (!convertWOFFToSfnt(buffer, sfnt))
return 0;
sfntBuffer = SharedBuffer::adoptVector(sfnt);
buffer = sfntBuffer.get();
}
#endif
ATSFontContainerRef containerRef = 0;
RetainPtr<CGFontRef> cgFontRef;
#ifndef BUILDING_ON_LEOPARD
RetainPtr<CFDataRef> bufferData(AdoptCF, buffer->createCFData());
RetainPtr<CGDataProviderRef> dataProvider(AdoptCF, CGDataProviderCreateWithCFData(bufferData.get()));
cgFontRef.adoptCF(CGFontCreateWithDataProvider(dataProvider.get()));
if (!cgFontRef)
return 0;
#else
// Use ATS to activate the font.
// The value "3" means that the font is private and can't be seen by anyone else.
ATSFontActivateFromMemory((void*)buffer->data(), buffer->size(), 3, kATSFontFormatUnspecified, NULL, kATSOptionFlagsDefault, &containerRef);
if (!containerRef)
return 0;
ItemCount fontCount;
ATSFontFindFromContainer(containerRef, kATSOptionFlagsDefault, 0, NULL, &fontCount);
// We just support the first font in the list.
if (fontCount == 0) {
ATSFontDeactivate(containerRef, NULL, kATSOptionFlagsDefault);
return 0;
}
ATSFontRef fontRef = 0;
ATSFontFindFromContainer(containerRef, kATSOptionFlagsDefault, 1, &fontRef, NULL);
if (!fontRef) {
ATSFontDeactivate(containerRef, NULL, kATSOptionFlagsDefault);
return 0;
}
cgFontRef.adoptCF(CGFontCreateWithPlatformFont(&fontRef));
// Workaround for <rdar://problem/5675504>.
if (cgFontRef && !CGFontGetNumberOfGlyphs(cgFontRef.get()))
cgFontRef = 0;
if (!cgFontRef) {
ATSFontDeactivate(containerRef, NULL, kATSOptionFlagsDefault);
return 0;
}
#endif // !defined(BUILDING_ON_LEOPARD)
FontCustomPlatformData* fontCustomPlatformData = new FontCustomPlatformData(containerRef, cgFontRef.releaseRef());
#if USE(SKIA_ON_MAC_CHROMIUM)
RemoteFontStream* stream = new RemoteFontStream(buffer);
fontCustomPlatformData->m_typeface = SkTypeface::CreateFromStream(stream);
stream->unref();
#endif
return fontCustomPlatformData;
}
FontCustomPlatformData* createFontCustomPlatformData(SharedBuffer* buffer)
{
ASSERT_ARG(buffer, buffer);
#if ENABLE(OPENTYPE_SANITIZER)
OpenTypeSanitizer sanitizer(buffer);
RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize();
if (!transcodeBuffer)
return 0; // validation failed.
buffer = transcodeBuffer.get();
#endif
ATSFontContainerRef containerRef = 0;
ATSFontRef fontRef = 0;
RetainPtr<CGFontRef> cgFontRef;
#if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD)
RetainPtr<CFDataRef> bufferData(AdoptCF, buffer->createCFData());
RetainPtr<CGDataProviderRef> dataProvider(AdoptCF, CGDataProviderCreateWithCFData(bufferData.get()));
cgFontRef.adoptCF(CGFontCreateWithDataProvider(dataProvider.get()));
if (!cgFontRef)
return 0;
#else
// Use ATS to activate the font.
// The value "3" means that the font is private and can't be seen by anyone else.
ATSFontActivateFromMemory((void*)buffer->data(), buffer->size(), 3, kATSFontFormatUnspecified, NULL, kATSOptionFlagsDefault, &containerRef);
if (!containerRef)
return 0;
ItemCount fontCount;
ATSFontFindFromContainer(containerRef, kATSOptionFlagsDefault, 0, NULL, &fontCount);
// We just support the first font in the list.
if (fontCount == 0) {
ATSFontDeactivate(containerRef, NULL, kATSOptionFlagsDefault);
return 0;
}
ATSFontFindFromContainer(containerRef, kATSOptionFlagsDefault, 1, &fontRef, NULL);
if (!fontRef) {
ATSFontDeactivate(containerRef, NULL, kATSOptionFlagsDefault);
return 0;
}
cgFontRef.adoptCF(CGFontCreateWithPlatformFont(&fontRef));
#ifndef BUILDING_ON_TIGER
// Workaround for <rdar://problem/5675504>.
if (cgFontRef && !CGFontGetNumberOfGlyphs(cgFontRef.get()))
cgFontRef = 0;
#endif
#if PLATFORM(APOLLO)
// On Leopard the CGFontGetNumberOfGlyphs call is necessary to reject invalid fonts
// On Snow Leopard this happens at ATSFontActivateFromMemory
if (isOsLeopardOrGreater()) {
static _CGFontGetNumberOfGlyphsFunc CGFontGetNumberOfGlyphsFunc = getCGFontGetNumberOfGlyphsFunc();
if (CGFontGetNumberOfGlyphsFunc && cgFontRef && !CGFontGetNumberOfGlyphsFunc(cgFontRef.get())) {
cgFontRef = 0;
}
}
#endif
if (!cgFontRef) {
ATSFontDeactivate(containerRef, NULL, kATSOptionFlagsDefault);
return 0;
}
#endif // !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD)
return new FontCustomPlatformData(containerRef, fontRef, cgFontRef.releaseRef());
}