102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
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/*
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* dp.h --
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*
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* Declarations for Dp-related things that are visible
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* outside of the Dp module itself.
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*
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* Copyright (c) 1995-1996 Cornell University.
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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*/
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#ifndef _DP
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#define _DP
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#define DP_VERSION "4.0"
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#define DP_MAJOR_VERSION 4
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#define DP_MINOR_VERSION 0
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#ifndef _TCL
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#include <tcl.h>
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#endif
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/*
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* Procedure types defined by DP:
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*/
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typedef Tcl_Channel (Dp_ChanCreateProc) _ANSI_ARGS_((Tcl_Interp *interp,
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int argc, char ** argv));
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/*
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* The following structure is used to register channel types which become
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* available to various DP commands.
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*/
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typedef struct Dp_ChannelType {
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struct Dp_ChannelType * nextPtr; /* Links to the next channel type
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* record in the list of types.
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* Must be set to NULL by the caller
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* of Dp_RegisterChannelType() */
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char * name; /* Name of this type of channel */
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Dp_ChanCreateProc *createProc; /* Procedure to create a channel
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* of this type */
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} Dp_ChannelType;
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/*
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* Type for plug-in function.
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*/
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typedef int (Dp_PlugInFilterProc) _ANSI_ARGS_((char *inBuf, int inLength,
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char **outBuf, int *outLength,
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void **data, Tcl_Interp *interp,
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int mode));
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/*
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* Any new filter that is registered should provide a (ckallock-ed) pointer to
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* such a structure, whose "name" and "plugProc" fields must be set.
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*/
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typedef struct _Dp_PlugInFilter {
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struct _Dp_PlugInFilter * nextPtr;
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char * name;
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Dp_PlugInFilterProc * plugProc;
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} Dp_PlugInFilter;
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/*
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* Modes for the plug-in filter functions.
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*/
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#define DP_FILTER_NORMAL 0
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#define DP_FILTER_FLUSH 1
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#define DP_FILTER_CLOSE 3
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#define DP_FILTER_SET 4
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#define DP_FILTER_GET 5
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#define DP_FILTER_EOF 6
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/*
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* Exported DP functions.
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*/
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EXTERN char * Dp_ListChannelTypes _ANSI_ARGS_((void));
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EXTERN Dp_ChannelType * Dp_GetChannelType _ANSI_ARGS_((
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Tcl_Interp * interp, char * name));
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EXTERN int Dp_RegisterChannelType _ANSI_ARGS_((
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Tcl_Interp * interp, Dp_ChannelType *newTypePtr));
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EXTERN int Dp_RegisterPlugInFilter _ANSI_ARGS_((
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Tcl_Interp * interp, Dp_PlugInFilter *plugInPtr));
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EXTERN Dp_PlugInFilterProc *Dp_GetFilterPtr _ANSI_ARGS_((
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Tcl_Interp * interp, char * name));
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EXTERN char *Dp_GetFilterName _ANSI_ARGS_((
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Dp_PlugInFilterProc *filter));
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#endif /* _DP */
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