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1. wxProcess changes to make capturing subprocess output easier (and more

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reliable), now works in both sync and async modes
2. wxSafeYieldBug() corrected, wxWindowDisabler which is now used in it
   added and documented
3. exec sample updated to illustrate capturing the subprocess output
4. wxStreamBase::IsOk() added
5. wxInputStream::Eof() added and non-blocking Eof() implementation in
   wxPipeInputStream used by wxExecute


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6400 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-03-02 19:06:13 +00:00
parent 21e5527b59
commit cd6ce4a90c
16 changed files with 570 additions and 297 deletions
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23
include/wx/stream.h
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@@ -38,12 +38,8 @@ WXDLLEXPORT wxOutputStream& wxEndL(wxOutputStream& o_stream);
// wxStream: base classes
// ---------------------------------------------------------------------------
#define wxStream_NOERROR wxSTREAM_NOERROR
#define wxStream_EOF wxSTREAM_EOF
#define wxStream_WRITE_ERR wxSTREAM_WRITE_ERROR
#define wxStream_READ_ERR wxSTREAM_READ_ERROR
typedef enum {
typedef enum
{
wxSTREAM_NO_ERROR = 0,
wxSTREAM_NO_ERR = wxSTREAM_NO_ERROR,
wxSTREAM_NOERROR = wxSTREAM_NO_ERROR,
@@ -58,14 +54,24 @@ typedef enum {
} wxStreamError;
// compatibility
#define wxStream_NOERROR wxSTREAM_NOERROR
#define wxStream_EOF wxSTREAM_EOF
#define wxStream_WRITE_ERR wxSTREAM_WRITE_ERROR
#define wxStream_READ_ERR wxSTREAM_READ_ERROR
class WXDLLEXPORT wxStreamBase
{
public:
wxStreamBase();
virtual ~wxStreamBase();
bool operator!() const { return (LastError() != wxSTREAM_NOERROR); }
// error testing
wxStreamError LastError() const { return m_lasterror; }
wxStreamError GetLastError() const { return m_lasterror; }
bool IsOk() const { return LastError() == wxSTREAM_NOERROR; }
bool operator!() const { return LastError() != wxSTREAM_NOERROR; }
virtual size_t GetSize() const { return ~((size_t)0); }
size_t StreamSize() const { return GetSize(); }
@@ -87,6 +93,9 @@ public:
wxInputStream();
virtual ~wxInputStream();
// is the stream at EOF?
virtual bool Eof() const;
// IO functions
virtual char Peek();
char GetC();