nsISeekableStream.h

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/*

 * DO NOT EDIT.  THIS FILE IS GENERATED FROM $SRCDIR/xpcom/io/nsISeekableStream.idl

*/

#ifndef __gen_nsISeekableStream_h__

#define __gen_nsISeekableStream_h__

#include "nsITellableStream.h"

#include "nsISupports.h"

#include "js/GCAnnotations.h"

/* For IDL files that don't want to include root IDL files. */

#ifndef NS_NO_VTABLE

#define NS_NO_VTABLE

#endif

/* starting interface:    nsISeekableStream */

#define NS_ISEEKABLESTREAM_IID_STR "8429d350-1040-4661-8b71-f2a6ba455980"

#define NS_ISEEKABLESTREAM_IID \

  {0x8429d350, 0x1040, 0x4661, \

    { 0x8b, 0x71, 0xf2, 0xa6, 0xba, 0x45, 0x59, 0x80 }}

class NS_NO_VTABLE nsISeekableStream : public nsITellableStream {

 public:

  NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISEEKABLESTREAM_IID)

  /* Used by ToJSValue to check which scriptable interface is implemented. */

  using ScriptableInterfaceType = nsISeekableStream;

  enum {

    NS_SEEK_SET = 0,

    NS_SEEK_CUR = 1,

    NS_SEEK_END = 2

};

  /* void seek (in long whence, in long long offset); */

  JS_HAZ_CAN_RUN_SCRIPT NS_IMETHOD Seek(int32_t whence, int64_t offset) = 0;

  /* void setEOF (); */

  JS_HAZ_CAN_RUN_SCRIPT NS_IMETHOD SetEOF(void) = 0;

};

  NS_DEFINE_STATIC_IID_ACCESSOR(nsISeekableStream, NS_ISEEKABLESTREAM_IID)

/* Use this macro when declaring classes that implement this interface. */

#define NS_DECL_NSISEEKABLESTREAM \

  NS_IMETHOD Seek(int32_t whence, int64_t offset) override; \

  NS_IMETHOD SetEOF(void) override;

/* Use this macro when declaring the members of this interface when the

   class doesn't implement the interface. This is useful for forwarding. */

#define NS_DECL_NON_VIRTUAL_NSISEEKABLESTREAM \

  nsresult Seek(int32_t whence, int64_t offset); \

  nsresult SetEOF(void);

/* Use this macro to declare functions that forward the behavior of this interface to another object. */

#define NS_FORWARD_NSISEEKABLESTREAM(_to) \

  NS_IMETHOD Seek(int32_t whence, int64_t offset) override { return _to Seek(whence, offset); } \

  NS_IMETHOD SetEOF(void) override { return _to SetEOF(); }

/* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */

#define NS_FORWARD_SAFE_NSISEEKABLESTREAM(_to) \

  NS_IMETHOD Seek(int32_t whence, int64_t offset) override { return !_to ? NS_ERROR_NULL_POINTER : _to->Seek(whence, offset); } \

  NS_IMETHOD SetEOF(void) override { return !_to ? NS_ERROR_NULL_POINTER : _to->SetEOF(); }

#endif /* __gen_nsISeekableStream_h__ */