Index: gecko-sdk/include/nsIInputStream.h |
=================================================================== |
--- gecko-sdk/include/nsIInputStream.h (revision 0) |
+++ gecko-sdk/include/nsIInputStream.h (revision 0) |
@@ -0,0 +1,215 @@ |
+/* |
+ * DO NOT EDIT. THIS FILE IS GENERATED FROM c:/builds/tinderbox/XR-Mozilla1.8.0-Release/WINNT_5.2_Depend/mozilla/xpcom/io/nsIInputStream.idl |
+ */ |
+ |
+#ifndef __gen_nsIInputStream_h__ |
+#define __gen_nsIInputStream_h__ |
+ |
+ |
+#ifndef __gen_nsISupports_h__ |
+#include "nsISupports.h" |
+#endif |
+ |
+/* For IDL files that don't want to include root IDL files. */ |
+#ifndef NS_NO_VTABLE |
+#define NS_NO_VTABLE |
+#endif |
+class nsIInputStream; /* forward declaration */ |
+ |
+/** |
+ * The signature of the writer function passed to ReadSegments. This |
+ * is the "consumer" of data that gets read from the stream's buffer. |
+ * |
+ * @param aInStream stream being read |
+ * @param aClosure opaque parameter passed to ReadSegments |
+ * @param aFromSegment pointer to memory owned by the input stream |
+ * @param aToOffset amount already read (since ReadSegments was called) |
+ * @param aCount length of fromSegment |
+ * @param aWriteCount number of bytes read |
+ * |
+ * Implementers should return the following: |
+ * |
+ * @return NS_OK and (*aWriteCount > 0) if consumed some data |
+ * @return <any-error> if not interested in consuming any data |
+ * |
+ * Errors are never passed to the caller of ReadSegments. |
+ * |
+ * NOTE: returning NS_OK and (*aWriteCount = 0) has undefined behavior. |
+ * |
+ * @status FROZEN |
+ */ |
+typedef NS_CALLBACK(nsWriteSegmentFun)(nsIInputStream *aInStream, |
+ void *aClosure, |
+ const char *aFromSegment, |
+ PRUint32 aToOffset, |
+ PRUint32 aCount, |
+ PRUint32 *aWriteCount); |
+ |
+/* starting interface: nsIInputStream */ |
+#define NS_IINPUTSTREAM_IID_STR "fa9c7f6c-61b3-11d4-9877-00c04fa0cf4a" |
+ |
+#define NS_IINPUTSTREAM_IID \ |
+ {0xfa9c7f6c, 0x61b3, 0x11d4, \ |
+ { 0x98, 0x77, 0x00, 0xc0, 0x4f, 0xa0, 0xcf, 0x4a }} |
+ |
+class NS_NO_VTABLE nsIInputStream : public nsISupports { |
+ public: |
+ |
+ NS_DEFINE_STATIC_IID_ACCESSOR(NS_IINPUTSTREAM_IID) |
+ |
+ /** |
+ * nsIInputStream |
+ * |
+ * @status FROZEN |
+ */ |
+/** |
+ * Close the stream. |
+ */ |
+ /* void close (); */ |
+ NS_IMETHOD Close(void) = 0; |
+ |
+ /** |
+ * @return number of bytes currently available in the stream |
+ */ |
+ /* unsigned long available (); */ |
+ NS_IMETHOD Available(PRUint32 *_retval) = 0; |
+ |
+ /** |
+ * Read data from the stream. |
+ * |
+ * @param aBuf the buffer into which the data is to be read |
+ * @param aCount the maximum number of bytes to be read |
+ * |
+ * @return number of bytes read (may be less than aCount). |
+ * @return 0 if reached end of file |
+ * |
+ * @throws NS_BASE_STREAM_WOULD_BLOCK if reading from the input stream would |
+ * block the calling thread (non-blocking mode only) |
+ * @throws <other-error> on failure |
+ */ |
+ /* [noscript] unsigned long read (in charPtr aBuf, in unsigned long aCount); */ |
+ NS_IMETHOD Read(char * aBuf, PRUint32 aCount, PRUint32 *_retval) = 0; |
+ |
+ /** |
+ * Low-level read method that has access to the stream's underlying buffer. |
+ * The writer function may be called multiple times for segmented buffers. |
+ * ReadSegments is expected to keep calling the writer until either there is |
+ * nothing left to read or the writer returns an error. ReadSegments should |
+ * not call the writer with zero bytes to consume. |
+ * |
+ * @param aWriter the "consumer" of the data to be read |
+ * @param aClosure opaque parameter passed to writer |
+ * @param aCount the maximum number of bytes to be read |
+ * |
+ * @return number of bytes read (may be less than aCount) |
+ * @return 0 if reached end of file (or if aWriter refused to consume data) |
+ * |
+ * @throws NS_BASE_STREAM_WOULD_BLOCK if reading from the input stream would |
+ * block the calling thread (non-blocking mode only) |
+ * @throws <other-error> on failure |
+ * |
+ * NOTE: this function may be unimplemented if a stream has no underlying |
+ * buffer (e.g., socket input stream). |
+ */ |
+ /* [noscript] unsigned long readSegments (in nsWriteSegmentFun aWriter, in voidPtr aClosure, in unsigned long aCount); */ |
+ NS_IMETHOD ReadSegments(nsWriteSegmentFun aWriter, void * aClosure, PRUint32 aCount, PRUint32 *_retval) = 0; |
+ |
+ /** |
+ * @return true if stream is non-blocking |
+ */ |
+ /* boolean isNonBlocking (); */ |
+ NS_IMETHOD IsNonBlocking(PRBool *_retval) = 0; |
+ |
+}; |
+ |
+/* Use this macro when declaring classes that implement this interface. */ |
+#define NS_DECL_NSIINPUTSTREAM \ |
+ NS_IMETHOD Close(void); \ |
+ NS_IMETHOD Available(PRUint32 *_retval); \ |
+ NS_IMETHOD Read(char * aBuf, PRUint32 aCount, PRUint32 *_retval); \ |
+ NS_IMETHOD ReadSegments(nsWriteSegmentFun aWriter, void * aClosure, PRUint32 aCount, PRUint32 *_retval); \ |
+ NS_IMETHOD IsNonBlocking(PRBool *_retval); |
+ |
+/* Use this macro to declare functions that forward the behavior of this interface to another object. */ |
+#define NS_FORWARD_NSIINPUTSTREAM(_to) \ |
+ NS_IMETHOD Close(void) { return _to Close(); } \ |
+ NS_IMETHOD Available(PRUint32 *_retval) { return _to Available(_retval); } \ |
+ NS_IMETHOD Read(char * aBuf, PRUint32 aCount, PRUint32 *_retval) { return _to Read(aBuf, aCount, _retval); } \ |
+ NS_IMETHOD ReadSegments(nsWriteSegmentFun aWriter, void * aClosure, PRUint32 aCount, PRUint32 *_retval) { return _to ReadSegments(aWriter, aClosure, aCount, _retval); } \ |
+ NS_IMETHOD IsNonBlocking(PRBool *_retval) { return _to IsNonBlocking(_retval); } |
+ |
+/* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */ |
+#define NS_FORWARD_SAFE_NSIINPUTSTREAM(_to) \ |
+ NS_IMETHOD Close(void) { return !_to ? NS_ERROR_NULL_POINTER : _to->Close(); } \ |
+ NS_IMETHOD Available(PRUint32 *_retval) { return !_to ? NS_ERROR_NULL_POINTER : _to->Available(_retval); } \ |
+ NS_IMETHOD Read(char * aBuf, PRUint32 aCount, PRUint32 *_retval) { return !_to ? NS_ERROR_NULL_POINTER : _to->Read(aBuf, aCount, _retval); } \ |
+ NS_IMETHOD ReadSegments(nsWriteSegmentFun aWriter, void * aClosure, PRUint32 aCount, PRUint32 *_retval) { return !_to ? NS_ERROR_NULL_POINTER : _to->ReadSegments(aWriter, aClosure, aCount, _retval); } \ |
+ NS_IMETHOD IsNonBlocking(PRBool *_retval) { return !_to ? NS_ERROR_NULL_POINTER : _to->IsNonBlocking(_retval); } |
+ |
+#if 0 |
+/* Use the code below as a template for the implementation class for this interface. */ |
+ |
+/* Header file */ |
+class nsInputStream : public nsIInputStream |
+{ |
+public: |
+ NS_DECL_ISUPPORTS |
+ NS_DECL_NSIINPUTSTREAM |
+ |
+ nsInputStream(); |
+ |
+private: |
+ ~nsInputStream(); |
+ |
+protected: |
+ /* additional members */ |
+}; |
+ |
+/* Implementation file */ |
+NS_IMPL_ISUPPORTS1(nsInputStream, nsIInputStream) |
+ |
+nsInputStream::nsInputStream() |
+{ |
+ /* member initializers and constructor code */ |
+} |
+ |
+nsInputStream::~nsInputStream() |
+{ |
+ /* destructor code */ |
+} |
+ |
+/* void close (); */ |
+NS_IMETHODIMP nsInputStream::Close() |
+{ |
+ return NS_ERROR_NOT_IMPLEMENTED; |
+} |
+ |
+/* unsigned long available (); */ |
+NS_IMETHODIMP nsInputStream::Available(PRUint32 *_retval) |
+{ |
+ return NS_ERROR_NOT_IMPLEMENTED; |
+} |
+ |
+/* [noscript] unsigned long read (in charPtr aBuf, in unsigned long aCount); */ |
+NS_IMETHODIMP nsInputStream::Read(char * aBuf, PRUint32 aCount, PRUint32 *_retval) |
+{ |
+ return NS_ERROR_NOT_IMPLEMENTED; |
+} |
+ |
+/* [noscript] unsigned long readSegments (in nsWriteSegmentFun aWriter, in voidPtr aClosure, in unsigned long aCount); */ |
+NS_IMETHODIMP nsInputStream::ReadSegments(nsWriteSegmentFun aWriter, void * aClosure, PRUint32 aCount, PRUint32 *_retval) |
+{ |
+ return NS_ERROR_NOT_IMPLEMENTED; |
+} |
+ |
+/* boolean isNonBlocking (); */ |
+NS_IMETHODIMP nsInputStream::IsNonBlocking(PRBool *_retval) |
+{ |
+ return NS_ERROR_NOT_IMPLEMENTED; |
+} |
+ |
+/* End of implementation class template. */ |
+#endif |
+ |
+ |
+#endif /* __gen_nsIInputStream_h__ */ |
Property changes on: gecko-sdk\include\nsIInputStream.h |
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Added: svn:eol-style |
+ LF |