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32 #include "core/fileapi/FileReaderSync.h"
34 #include "bindings/core/v8/ExceptionState.h"
35 #include "core/dom/DOMArrayBuffer.h"
36 #include "core/dom/ExceptionCode.h"
37 #include "core/fileapi/Blob.h"
38 #include "core/fileapi/FileError.h"
39 #include "core/fileapi/FileReaderLoader.h"
40 #include "wtf/PassRefPtr.h"
44 FileReaderSync::FileReaderSync()
48 PassRefPtr<DOMArrayBuffer> FileReaderSync::readAsArrayBuffer(ExecutionContext* executionContext, Blob* blob, ExceptionState& exceptionState)
51 exceptionState.throwDOMException(NotFoundError, FileError::notFoundErrorMessage);
55 FileReaderLoader loader(FileReaderLoader::ReadAsArrayBuffer, 0);
56 startLoading(executionContext, loader, *blob, exceptionState);
58 return DOMArrayBuffer::create(loader.arrayBufferResult());
61 String FileReaderSync::readAsBinaryString(ExecutionContext* executionContext, Blob* blob, ExceptionState& exceptionState)
64 exceptionState.throwDOMException(NotFoundError, FileError::notFoundErrorMessage);
68 FileReaderLoader loader(FileReaderLoader::ReadAsBinaryString, 0);
69 startLoading(executionContext, loader, *blob, exceptionState);
70 return loader.stringResult();
73 String FileReaderSync::readAsText(ExecutionContext* executionContext, Blob* blob, const String& encoding, ExceptionState& exceptionState)
76 exceptionState.throwDOMException(NotFoundError, FileError::notFoundErrorMessage);
80 FileReaderLoader loader(FileReaderLoader::ReadAsText, 0);
81 loader.setEncoding(encoding);
82 startLoading(executionContext, loader, *blob, exceptionState);
83 return loader.stringResult();
86 String FileReaderSync::readAsDataURL(ExecutionContext* executionContext, Blob* blob, ExceptionState& exceptionState)
89 exceptionState.throwDOMException(NotFoundError, FileError::notFoundErrorMessage);
93 FileReaderLoader loader(FileReaderLoader::ReadAsDataURL, 0);
94 loader.setDataType(blob->type());
95 startLoading(executionContext, loader, *blob, exceptionState);
96 return loader.stringResult();
99 void FileReaderSync::startLoading(ExecutionContext* executionContext, FileReaderLoader& loader, const Blob& blob, ExceptionState& exceptionState)
101 loader.start(executionContext, blob.blobDataHandle());
102 if (loader.errorCode())
103 FileError::throwDOMException(exceptionState, loader.errorCode());