5267aefd85
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56577 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
100 lines
2.6 KiB
Objective-C
100 lines
2.6 KiB
Objective-C
/////////////////////////////////////////////////////////////////////////////
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// Name: mstream.h
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// Purpose: interface of wxMemoryOutputStream
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// Author: wxWidgets team
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// RCS-ID: $Id$
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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/**
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@class wxMemoryOutputStream
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@todo describe me.
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@library{wxbase}
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@category{streams}
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@see wxStreamBuffer
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*/
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class wxMemoryOutputStream : public wxOutputStream
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{
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public:
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/**
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If @a data is @NULL, then it will initialize a new empty buffer which will
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grow if required.
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@warning
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If the buffer is created, it will be destroyed at the destruction of the stream.
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*/
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wxMemoryOutputStream(void* data = NULL, size_t length = 0);
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/**
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Destructor.
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*/
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virtual ~wxMemoryOutputStream();
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/**
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Allows you to transfer data from the internal buffer of wxMemoryOutputStream
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to an external buffer. @a len specifies the size of the buffer.
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*/
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size_t CopyTo(void* buffer, size_t len) const;
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/**
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Returns the pointer to the stream object used as an internal buffer
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for that stream.
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*/
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wxStreamBuffer* GetOutputStreamBuffer() const;
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};
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/**
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@class wxMemoryInputStream
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@todo describe me.
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@library{wxbase}
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@category{streams}
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@see wxStreamBuffer, wxMemoryOutputStream
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*/
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class wxMemoryInputStream : public wxInputStream
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{
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public:
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/**
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Initializes a new read-only memory stream which will use the specified
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buffer data of length len. The stream does not take ownership of the buffer,
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i.e. the buffer will not be deleted in its destructor.
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*/
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wxMemoryInputStream(const char* data, size_t len);
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/**
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Creates a new read-only memory stream, initializing it with the data from
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the given output stream @a stream.
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*/
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wxMemoryInputStream(const wxMemoryOutputStream& stream);
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/**
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Creates a new read-only memory stream, initializing it with the
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data from the given input stream @a stream.
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The @a len argument specifies the amount of data to read from the
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@a stream. Setting it to @e wxInvalidOffset means that the @a stream
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is to be read entirely (i.e. till the EOF is reached).
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*/
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wxMemoryInputStream(wxInputStream& stream,
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wxFileOffset len = wxInvalidOffset);
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/**
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Destructor.
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*/
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virtual ~wxMemoryInputStream();
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/**
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Returns the pointer to the stream object used as an internal buffer
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for that stream.
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*/
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wxStreamBuffer* GetInputStreamBuffer() const;
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};
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