icuplug.h

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
*
*   Copyright (C) 2009-2015, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
******************************************************************************
*
*  FILE NAME : icuplug.h
*
*   Date         Name        Description
*   10/29/2009   sl          New.
******************************************************************************
*/

#ifndef ICUPLUG_H
#define ICUPLUG_H

#include "unicode/utypes.h"


#if UCONFIG_ENABLE_PLUGINS || defined(U_IN_DOXYGEN)



/* === Basic types === */

#ifndef U_HIDE_INTERNAL_API

struct UPlugData;
typedef struct UPlugData UPlugData;

#define UPLUG_TOKEN 0x54762486

#define UPLUG_NAME_MAX              100


typedef uint32_t UPlugTokenReturn;

typedef enum {
    UPLUG_REASON_QUERY = 0,     
    UPLUG_REASON_LOAD = 1,     
    UPLUG_REASON_UNLOAD = 2,   
    UPLUG_REASON_COUNT
} UPlugReason;


typedef enum {
    UPLUG_LEVEL_INVALID = 0,     
    UPLUG_LEVEL_UNKNOWN = 1,     
    UPLUG_LEVEL_LOW     = 2,     
    UPLUG_LEVEL_HIGH    = 3,     
    UPLUG_LEVEL_COUNT
} UPlugLevel;

typedef UPlugTokenReturn (U_EXPORT2 UPlugEntrypoint) (
                  UPlugData *plug,
                  UPlugReason reason,
                  UErrorCode *status);

/* === Needed for Implementing === */

U_INTERNAL void U_EXPORT2 
uplug_setPlugNoUnload(UPlugData *plug, UBool dontUnload);

U_INTERNAL void U_EXPORT2
uplug_setPlugLevel(UPlugData *plug, UPlugLevel level);

U_INTERNAL UPlugLevel U_EXPORT2
uplug_getPlugLevel(UPlugData *plug);

U_INTERNAL UPlugLevel U_EXPORT2
uplug_getCurrentLevel(void);


U_INTERNAL UErrorCode U_EXPORT2
uplug_getPlugLoadStatus(UPlugData *plug); 

U_INTERNAL void U_EXPORT2
uplug_setPlugName(UPlugData *plug, const char *name);

U_INTERNAL const char * U_EXPORT2
uplug_getPlugName(UPlugData *plug);

U_INTERNAL const char * U_EXPORT2
uplug_getSymbolName(UPlugData *plug);

U_INTERNAL const char * U_EXPORT2
uplug_getLibraryName(UPlugData *plug, UErrorCode *status);

U_INTERNAL void * U_EXPORT2
uplug_getLibrary(UPlugData *plug);

U_INTERNAL void * U_EXPORT2
uplug_getContext(UPlugData *plug);

U_INTERNAL void U_EXPORT2
uplug_setContext(UPlugData *plug, void *context);


U_INTERNAL const char * U_EXPORT2
uplug_getConfiguration(UPlugData *plug);

U_INTERNAL UPlugData* U_EXPORT2
uplug_nextPlug(UPlugData *prior);

U_INTERNAL UPlugData* U_EXPORT2
uplug_loadPlugFromEntrypoint(UPlugEntrypoint *entrypoint, const char *config, UErrorCode *status);


U_INTERNAL UPlugData* U_EXPORT2
uplug_loadPlugFromLibrary(const char *libName, const char *sym, const char *config, UErrorCode *status);

U_INTERNAL void U_EXPORT2
uplug_removePlug(UPlugData *plug, UErrorCode *status);
#endif  /* U_HIDE_INTERNAL_API */

#endif /* UCONFIG_ENABLE_PLUGINS */

#endif /* _ICUPLUG */