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32 #include "core/fileapi/FileReaderSync.h"
34 #include "bindings/core/v8/ExceptionState.h"
35 #include "core/dom/ExceptionCode.h"
36 #include "core/fileapi/Blob.h"
37 #include "core/fileapi/FileError.h"
38 #include "core/fileapi/FileReaderLoader.h"
39 #include "wtf/ArrayBuffer.h"
40 #include "wtf/PassRefPtr.h"
44 FileReaderSync::FileReaderSync()
46 ScriptWrappable::init(this);
49 PassRefPtr<ArrayBuffer> FileReaderSync::readAsArrayBuffer(ExecutionContext* executionContext, Blob* blob, ExceptionState& exceptionState)
52 exceptionState.throwDOMException(NotFoundError, FileError::notFoundErrorMessage);
56 FileReaderLoader loader(FileReaderLoader::ReadAsArrayBuffer, 0);
57 startLoading(executionContext, loader, *blob, exceptionState);
59 return loader.arrayBufferResult();
62 String FileReaderSync::readAsBinaryString(ExecutionContext* executionContext, Blob* blob, ExceptionState& exceptionState)
65 exceptionState.throwDOMException(NotFoundError, FileError::notFoundErrorMessage);
69 FileReaderLoader loader(FileReaderLoader::ReadAsBinaryString, 0);
70 startLoading(executionContext, loader, *blob, exceptionState);
71 return loader.stringResult();
74 String FileReaderSync::readAsText(ExecutionContext* executionContext, Blob* blob, const String& encoding, ExceptionState& exceptionState)
77 exceptionState.throwDOMException(NotFoundError, FileError::notFoundErrorMessage);
81 FileReaderLoader loader(FileReaderLoader::ReadAsText, 0);
82 loader.setEncoding(encoding);
83 startLoading(executionContext, loader, *blob, exceptionState);
84 return loader.stringResult();
87 String FileReaderSync::readAsDataURL(ExecutionContext* executionContext, Blob* blob, ExceptionState& exceptionState)
90 exceptionState.throwDOMException(NotFoundError, FileError::notFoundErrorMessage);
94 FileReaderLoader loader(FileReaderLoader::ReadAsDataURL, 0);
95 loader.setDataType(blob->type());
96 startLoading(executionContext, loader, *blob, exceptionState);
97 return loader.stringResult();
100 void FileReaderSync::startLoading(ExecutionContext* executionContext, FileReaderLoader& loader, const Blob& blob, ExceptionState& exceptionState)
102 loader.start(executionContext, blob.blobDataHandle());
103 if (loader.errorCode())
104 FileError::throwDOMException(exceptionState, loader.errorCode());