110 lines
2.6 KiB
C++
110 lines
2.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/unix/private/fswatcher_kqueue.h
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// Purpose: File system watcher impl classes
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// Author: Bartosz Bekier
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// Created: 2009-05-26
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// RCS-ID: $Id: fswatcher_kqueue.h 62475 2009-10-22 11:36:35Z VZ $
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// Copyright: (c) 2009 Bartosz Bekier <bartosz.bekier@gmail.com>
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef WX_UNIX_PRIVATE_FSWATCHER_KQUEUE_H_
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#define WX_UNIX_PRIVATE_FSWATCHER_KQUEUE_H_
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#include <fcntl.h>
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#include <unistd.h>
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#include "wx/dir.h"
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#include "wx/debug.h"
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#include "wx/arrstr.h"
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// ============================================================================
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// wxFSWatcherEntry implementation & helper declarations
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// ============================================================================
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class wxFSWatcherImplKqueue;
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class wxFSWatchEntryKq : public wxFSWatchInfo
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{
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public:
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struct wxDirState
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{
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wxDirState(const wxFSWatchInfo& winfo)
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{
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if (!wxDir::Exists(winfo.GetPath()))
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return;
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wxDir dir(winfo.GetPath());
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wxCHECK_RET( dir.IsOpened(),
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wxString::Format("Unable to open dir '%s'", winfo.GetPath()));
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wxString filename;
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bool ret = dir.GetFirst(&filename);
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while (ret)
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{
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files.push_back(filename);
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ret = dir.GetNext(&filename);
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}
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}
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wxSortedArrayString files;
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};
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wxFSWatchEntryKq(const wxFSWatchInfo& winfo) :
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wxFSWatchInfo(winfo), m_lastState(winfo)
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{
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m_fd = wxOpen(m_path, O_RDONLY, 0);
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if (m_fd == -1)
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{
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wxLogSysError(_("Unable to open path '%s'"), m_path);
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}
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}
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virtual ~wxFSWatchEntryKq()
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{
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(void) Close();
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}
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bool Close()
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{
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if (!IsOk())
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return false;
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int ret = close(m_fd);
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if (ret == -1)
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{
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wxLogSysError(_("Unable to close path '%s'"), m_path);
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}
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m_fd = -1;
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return ret != -1;
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}
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bool IsOk() const
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{
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return m_fd != -1;
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}
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int GetFileDescriptor() const
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{
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return m_fd;
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}
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void RefreshState()
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{
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m_lastState = wxDirState(*this);
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}
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const wxDirState& GetLastState() const
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{
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return m_lastState;
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}
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private:
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int m_fd;
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wxDirState m_lastState;
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wxDECLARE_NO_COPY_CLASS(wxFSWatchEntryKq);
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};
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#endif /* WX_UNIX_PRIVATE_FSWATCHER_KQUEUE_H_ */
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