C++ BlobSet::AppendBlob方法代码示例

本文整理汇总了C++中BlobSet::AppendBlob方法的典型用法代码示例。如果您正苦于以下问题：C++ BlobSet::AppendBlob方法的具体用法？C++ BlobSet::AppendBlob怎么用？C++ BlobSet::AppendBlob使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类BlobSet的用法示例。

在下文中一共展示了BlobSet::AppendBlob方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: if

nsresult
nsDOMMultipartFile::InitInternal(JSContext* aCx,
                                 PRUint32 aArgc,
                                 jsval* aArgv,
                                 UnwrapFuncPtr aUnwrapFunc)
{
  bool nativeEOL = false;
  if (aArgc > 1) {
    mozilla::dom::BlobPropertyBag d;
    nsresult rv = d.Init(aCx, &aArgv[1]);
    NS_ENSURE_SUCCESS(rv, rv);
    mContentType = d.type;
    if (d.endings.EqualsLiteral("native")) {
      nativeEOL = true;
    } else if (!d.endings.EqualsLiteral("transparent")) {
      return NS_ERROR_DOM_INVALID_STATE_ERR;
    }
  }

  if (aArgc > 0) {
    if (!aArgv[0].isObject()) {
      return NS_ERROR_INVALID_ARG; // We're not interested
    }

    JSObject& obj = aArgv[0].toObject();

    if (!JS_IsArrayObject(aCx, &obj)) {
      return NS_ERROR_INVALID_ARG; // We're not interested
    }

    BlobSet blobSet;

    uint32_t length;
    JS_ALWAYS_TRUE(JS_GetArrayLength(aCx, &obj, &length));
    for (uint32_t i = 0; i < length; ++i) {
      jsval element;
      if (!JS_GetElement(aCx, &obj, i, &element))
        return NS_ERROR_INVALID_ARG;

      if (element.isObject()) {
        JSObject& obj = element.toObject();
        nsCOMPtr<nsIDOMBlob> blob = aUnwrapFunc(aCx, &obj);
        if (blob) {
          // Flatten so that multipart blobs will never nest
          nsDOMFileBase* file = static_cast<nsDOMFileBase*>(
              static_cast<nsIDOMBlob*>(blob));
          const nsTArray<nsCOMPtr<nsIDOMBlob> >*
              subBlobs = file->GetSubBlobs();
          if (subBlobs) {
            blobSet.AppendBlobs(*subBlobs);
          } else {
            blobSet.AppendBlob(blob);
          }
        } else if (JS_IsArrayBufferObject(&obj, aCx)) {
          blobSet.AppendArrayBuffer(&obj, aCx);
        } else {
          // neither arraybuffer nor blob
          return NS_ERROR_DOM_INVALID_STATE_ERR;
        }
      } else if (element.isString()) {
        blobSet.AppendString(element.toString(), nativeEOL, aCx);
      } else {
        // neither object nor string
        return NS_ERROR_DOM_INVALID_STATE_ERR;
      }
    }

    mBlobs = blobSet.GetBlobs();
  }

  return NS_OK;
}

开发者ID:PinZhang，项目名称:mozilla-central，代码行数:72，代码来源:nsDOMBlobBuilder.cpp

示例2: aUnwrapFunc

nsresult
nsDOMMultipartFile::InitInternal(JSContext* aCx,
                                 uint32_t aArgc,
                                 jsval* aArgv,
                                 UnwrapFuncPtr aUnwrapFunc)
{
  bool nativeEOL = false;
  if (aArgc > 1) {
    if (NS_IsMainThread()) {
      BlobPropertyBag d;
      if (!d.Init(aCx, nullptr, aArgv[1])) {
        return NS_ERROR_TYPE_ERR;
      }
      mContentType = d.type;
      nativeEOL = d.endings == EndingTypesValues::Native;
    } else {
      BlobPropertyBagWorkers d;
      if (!d.Init(aCx, nullptr, aArgv[1])) {
        return NS_ERROR_TYPE_ERR;
      }
      mContentType = d.type;
      nativeEOL = d.endings == EndingTypesValues::Native;
    }
  }

  if (aArgc > 0) {
    if (!aArgv[0].isObject()) {
      return NS_ERROR_TYPE_ERR; // We're not interested
    }

    JSObject& obj = aArgv[0].toObject();
    if (!JS_IsArrayObject(aCx, &obj)) {
      return NS_ERROR_TYPE_ERR; // We're not interested
    }

    BlobSet blobSet;

    uint32_t length;
    JS_ALWAYS_TRUE(JS_GetArrayLength(aCx, &obj, &length));
    for (uint32_t i = 0; i < length; ++i) {
      jsval element;
      if (!JS_GetElement(aCx, &obj, i, &element))
        return NS_ERROR_TYPE_ERR;

      if (element.isObject()) {
        JSObject& obj = element.toObject();
        nsCOMPtr<nsIDOMBlob> blob = aUnwrapFunc(aCx, &obj);
        if (blob) {
          // Flatten so that multipart blobs will never nest
          nsDOMFileBase* file = static_cast<nsDOMFileBase*>(
              static_cast<nsIDOMBlob*>(blob));
          const nsTArray<nsCOMPtr<nsIDOMBlob> >*
              subBlobs = file->GetSubBlobs();
          if (subBlobs) {
            blobSet.AppendBlobs(*subBlobs);
          } else {
            blobSet.AppendBlob(blob);
          }
          continue;
        }
        if (JS_IsArrayBufferViewObject(&obj, aCx)) {
          blobSet.AppendVoidPtr(JS_GetArrayBufferViewData(&obj, aCx),
                                JS_GetArrayBufferViewByteLength(&obj, aCx));
          continue;
        }
        if (JS_IsArrayBufferObject(&obj, aCx)) {
          blobSet.AppendArrayBuffer(&obj, aCx);
          continue;
        }
        // neither Blob nor ArrayBuffer(View)
      } else if (element.isString()) {
        blobSet.AppendString(element.toString(), nativeEOL, aCx);
        continue;
      }
      // coerce it to a string
      JSString* str = JS_ValueToString(aCx, element);
      NS_ENSURE_TRUE(str, NS_ERROR_TYPE_ERR);
      blobSet.AppendString(str, nativeEOL, aCx);
    }

    mBlobs = blobSet.GetBlobs();
  }

  return NS_OK;
}

开发者ID:chiiph，项目名称:mozilla-central，代码行数:85，代码来源:nsDOMBlobBuilder.cpp

示例3: nsDOMFileFile

nsresult
nsDOMMultipartFile::InitChromeFile(JSContext* aCx,
                                   uint32_t aArgc,
                                   JS::Value* aArgv)
{
  nsresult rv;

  NS_ASSERTION(!mImmutable, "Something went wrong ...");
  NS_ENSURE_TRUE(!mImmutable, NS_ERROR_UNEXPECTED);
  MOZ_ASSERT(nsContentUtils::IsCallerChrome());
  NS_ENSURE_TRUE(aArgc > 0, NS_ERROR_UNEXPECTED);

  if (aArgc > 1) {
    FilePropertyBag d;
    if (!d.Init(aCx, JS::Handle<JS::Value>::fromMarkedLocation(&aArgv[1]))) {
      return NS_ERROR_TYPE_ERR;
    }
    mName = d.mName;
    mContentType = d.mType;
  }


  // We expect to get a path to represent as a File object or
  // Blob object, an nsIFile, or an nsIDOMFile.
  nsCOMPtr<nsIFile> file;
  nsCOMPtr<nsIDOMBlob> blob;
  if (!aArgv[0].isString()) {
    // Lets see if it's an nsIFile
    if (!aArgv[0].isObject()) {
      return NS_ERROR_UNEXPECTED; // We're not interested
    }

    JSObject* obj = &aArgv[0].toObject();

    nsISupports* supports =
      nsContentUtils::XPConnect()->GetNativeOfWrapper(aCx, obj);
    if (!supports) {
      return NS_ERROR_UNEXPECTED;
    }

    blob = do_QueryInterface(supports);
    file = do_QueryInterface(supports);
    if (!blob && !file) {
      return NS_ERROR_UNEXPECTED;
    }

    mIsFromNsiFile = true;
  } else {
    // It's a string
    JSString* str = JS::ToString(aCx, JS::Handle<JS::Value>::fromMarkedLocation(&aArgv[0]));
    NS_ENSURE_TRUE(str, NS_ERROR_XPC_BAD_CONVERT_JS);

    nsDependentJSString xpcomStr;
    if (!xpcomStr.init(aCx, str)) {
      return NS_ERROR_XPC_BAD_CONVERT_JS;
    }

    rv = NS_NewLocalFile(xpcomStr, false, getter_AddRefs(file));
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (file) {
    bool exists;
    rv = file->Exists(&exists);
    NS_ENSURE_SUCCESS(rv, rv);
    NS_ENSURE_TRUE(exists, NS_ERROR_FILE_NOT_FOUND);

    bool isDir;
    rv = file->IsDirectory(&isDir);
    NS_ENSURE_SUCCESS(rv, rv);
    NS_ENSURE_FALSE(isDir, NS_ERROR_FILE_IS_DIRECTORY);

    if (mName.IsEmpty()) {
      file->GetLeafName(mName);
    }

    blob = new nsDOMFileFile(file);
  }

  // XXXkhuey this is terrible
  if (mContentType.IsEmpty()) {
    blob->GetType(mContentType);
  }

  BlobSet blobSet;
  blobSet.AppendBlob(blob);
  mBlobs = blobSet.GetBlobs();

  return NS_OK;
}

开发者ID:ConradIrwin，项目名称:gecko-dev，代码行数:90，代码来源:nsDOMBlobBuilder.cpp

示例4: nsDOMFileFile

nsresult
nsDOMMultipartFile::InitFile(JSContext* aCx,
                             uint32_t aArgc,
                             jsval* aArgv)
{
  nsresult rv;

  NS_ASSERTION(!mImmutable, "Something went wrong ...");
  NS_ENSURE_TRUE(!mImmutable, NS_ERROR_UNEXPECTED);

  if (!nsContentUtils::IsCallerChrome()) {
    return NS_ERROR_DOM_SECURITY_ERR; // Real short trip
  }

  NS_ENSURE_TRUE(aArgc > 0, NS_ERROR_UNEXPECTED);

  bool nativeEOL = false;
  if (aArgc > 1) {
    FilePropertyBag d;
    if (!d.Init(aCx, nullptr, aArgv[1])) {
      return NS_ERROR_TYPE_ERR;
    }
    mName = d.mName;
    mContentType = d.mType;
    nativeEOL = d.mEndings == EndingTypesValues::Native;
  }

  // We expect to get a path to represent as a File object,
  // an nsIFile, or an nsIDOMFile.
  nsCOMPtr<nsIFile> file;
  nsCOMPtr<nsIDOMFile> domFile;
  if (!aArgv[0].isString()) {
    // Lets see if it's an nsIFile
    if (!aArgv[0].isObject()) {
      return NS_ERROR_UNEXPECTED; // We're not interested
    }

    JSObject* obj = &aArgv[0].toObject();

    nsISupports* supports =
      nsContentUtils::XPConnect()->GetNativeOfWrapper(aCx, obj);
    if (!supports) {
      return NS_ERROR_UNEXPECTED;
    }

    domFile = do_QueryInterface(supports);
    file = do_QueryInterface(supports);
    if (!domFile && !file) {
      return NS_ERROR_UNEXPECTED;
    }
  } else {
    // It's a string
    JSString* str = JS_ValueToString(aCx, aArgv[0]);
    NS_ENSURE_TRUE(str, NS_ERROR_XPC_BAD_CONVERT_JS);

    nsDependentJSString xpcomStr;
    if (!xpcomStr.init(aCx, str)) {
      return NS_ERROR_XPC_BAD_CONVERT_JS;
    }

    rv = NS_NewLocalFile(xpcomStr, false, getter_AddRefs(file));
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (file) {
    bool exists;
    rv = file->Exists(&exists);
    NS_ENSURE_SUCCESS(rv, rv);
    NS_ENSURE_TRUE(exists, NS_ERROR_FILE_NOT_FOUND);

    bool isDir;
    rv = file->IsDirectory(&isDir);
    NS_ENSURE_SUCCESS(rv, rv);
    NS_ENSURE_FALSE(isDir, NS_ERROR_FILE_IS_DIRECTORY);

    if (mName.IsEmpty()) {
      file->GetLeafName(mName);
    }

    domFile = new nsDOMFileFile(file);
  }
  
  // XXXkhuey this is terrible
  if (mContentType.IsEmpty()) {
    domFile->GetType(mContentType);
  }

  BlobSet blobSet;
  blobSet.AppendBlob(domFile);
  mBlobs = blobSet.GetBlobs();

  return NS_OK;
}

开发者ID:bbondy，项目名称:mozilla-central，代码行数:93，代码来源:nsDOMBlobBuilder.cpp

示例5: obj

nsresult
nsDOMMultipartFile::ParseBlobArrayArgument(JSContext* aCx, JS::Value& aValue,
                                           bool aNativeEOL,
                                           UnwrapFuncPtr aUnwrapFunc)
{
  if (!aValue.isObject()) {
    return NS_ERROR_TYPE_ERR; // We're not interested
  }

  JS::Rooted<JSObject*> obj(aCx, &aValue.toObject());
  if (!JS_IsArrayObject(aCx, obj)) {
    return NS_ERROR_TYPE_ERR; // We're not interested
  }

  BlobSet blobSet;

  uint32_t length;
  JS_ALWAYS_TRUE(JS_GetArrayLength(aCx, obj, &length));
  for (uint32_t i = 0; i < length; ++i) {
    JS::Rooted<JS::Value> element(aCx);
    if (!JS_GetElement(aCx, obj, i, &element))
      return NS_ERROR_TYPE_ERR;

    if (element.isObject()) {
      JS::Rooted<JSObject*> obj(aCx, &element.toObject());
      nsCOMPtr<nsIDOMBlob> blob = aUnwrapFunc(aCx, obj);
      if (blob) {
        // Flatten so that multipart blobs will never nest
        nsDOMFileBase* file = static_cast<nsDOMFileBase*>(
            static_cast<nsIDOMBlob*>(blob));
        const nsTArray<nsCOMPtr<nsIDOMBlob> >*
            subBlobs = file->GetSubBlobs();
        if (subBlobs) {
          blobSet.AppendBlobs(*subBlobs);
        } else {
          blobSet.AppendBlob(blob);
        }
        continue;
      }
      if (JS_IsArrayBufferViewObject(obj)) {
        nsresult rv = blobSet.AppendVoidPtr(
                                          JS_GetArrayBufferViewData(obj),
                                          JS_GetArrayBufferViewByteLength(obj));
        NS_ENSURE_SUCCESS(rv, rv);
        continue;
      }
      if (JS_IsArrayBufferObject(obj)) {
        nsresult rv = blobSet.AppendArrayBuffer(obj);
        NS_ENSURE_SUCCESS(rv, rv);
        continue;
      }
    }

    // coerce it to a string
    JSString* str = JS::ToString(aCx, element);
    NS_ENSURE_TRUE(str, NS_ERROR_TYPE_ERR);

    nsresult rv = blobSet.AppendString(str, aNativeEOL, aCx);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  mBlobs = blobSet.GetBlobs();
  return NS_OK;
}

开发者ID:ConradIrwin，项目名称:gecko-dev，代码行数:64，代码来源:nsDOMBlobBuilder.cpp

注：本文中的BlobSet::AppendBlob方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。