Move files to prepare for assimilation into core

[libs/core.git] / source / base.h

diff --git a/source/base.h b/source/base.h
deleted file mode 100644 (file)
index 774d034..0000000
--- a/source/base.h
+++ /dev/null
@@ -1,121 +0,0 @@
-#ifndef MSP_IO_BASE_H_
-#define MSP_IO_BASE_H_
-
-#include <sigc++/sigc++.h>
-#include "mode.h"
-#include "poll.h"
-#include "types.h"
-
-namespace Msp {
-namespace IO {
-
-/**
-Common interface for all I/O objects.
-
-A derived class must call set_events(P_NONE) before it is destroyed to avoid
-leaving stale pointers in an EventDispatcher.
-*/
-class Base
-{
-public:
-       /** Emitted when there is data available for reading.  If all data is not
-       read, the signal is emitted again immediately. */
-       sigc::signal<void> signal_data_available;
-
-       /** Emitted when there is no more data to be read. */
-       sigc::signal<void> signal_end_of_file;
-
-       /** Emitted when there is a nonlinearity in I/O (such as a file being
-       seeked) and any data buffered by upper layers needs to be flushed. */
-       sigc::signal<void> signal_flush_required;
-
-       /** Emitted when the I/O object has closed. */
-       sigc::signal<void> signal_closed;
-
-       /** Emitted when the mask of interesting events changes.  Mainly for use by
-       EventDispatcher. */
-       sigc::signal<void, PollEvent> signal_events_changed;
-
-       /** Emitted when the object is deleted.  Mainly for use by
-       EventDispatcher. */
-       sigc::signal<void> signal_deleted;
-
-protected:
-       Mode mode;
-       PollEvent events;
-       bool eof_flag;
-
-       Base();
-private:
-       Base(const Base &);
-       Base &operator=(const Base &);
-public:
-       virtual ~Base();
-
-       /** Sets blocking mode.  When blocking is enabled, most operations won't
-       return until they can make progress.  When blocking is disabled, these
-       operations may return immediately with a return code indicating that nothing
-       was done.
-
-       Blocking is enabled by default. */
-       virtual void set_block(bool) { }
-
-       /** Returns the current mode flags. */
-       Mode get_mode() const { return mode; }
-
-protected:
-       virtual unsigned do_write(const char *, unsigned) =0;
-       virtual unsigned do_read(char *, unsigned) =0;
-
-public:
-       /** Writes data from a buffer.  Subject to blocking.  Returns the number of
-       bytes written, which may be zero for a non-blockin operation. */
-       unsigned write(const char *b, unsigned c) { return do_write(b, c); }
-
-       /** Writes a string.  This is identical to calling
-       write(s.data(), s.size()). */
-       unsigned write(const std::string &s) { return do_write(s.data(), s.size()); }
-
-       /** Writes a single character.  This is identical to calling
-       write(&c, 1). */
-       virtual unsigned put(char c) { return do_write(&c, 1); }
-
-       /** Reads data into a buffer.  Subject to blocking.  Returns the number of
-       bytes read, which may be zero for a non-blocking operation. */
-       unsigned read(char *b, unsigned c) { return do_read(b, c); }
-
-       /** Reads characters up to the next linefeed or end-of-file.  The linefeed
-       is not included in the line.  Returns true if a line was successfully read,
-       false otherwise. */
-       virtual bool getline(std::string &);
-
-       /** Reads a single character.  Returns -1 if no character was available due
-       to end-of-file or non-blocking operation. */
-       virtual int get();
-
-       /** Returns the end-of-file flag. */
-       bool eof() const { return eof_flag; }
-
-protected:
-       void set_events(PollEvent);
-
-public:
-       /** Returns a mask of the currently interesting events.  Used by
-       EventDispatcher. */
-       PollEvent get_events() const { return events; }
-
-       /** Returns a handle for polling.  Should throw if the object does not have
-       an event handle. */
-       virtual Handle get_event_handle() =0;
-
-       /** Notifies the object of an event.  Used by EventDispatcher. */
-       void event(PollEvent);
-
-protected:
-       virtual void on_event(PollEvent) { }
-};
-
-} // namespace IO
-} // namespace Msp
-
-#endif