Gecko [ www.corporacionhdm.com.pe ]

Name	Size	Permission	Date
alphaindex.h	26.48 KB	-rw-r--r--	2022-02-08 16:22
appendable.h	8.49 KB	-rw-r--r--	2022-02-08 16:22
basictz.h	9.15 KB	-rw-r--r--	2022-02-08 16:22
brkiter.h	27.8 KB	-rw-r--r--	2022-02-08 16:22
bytestream.h	9.6 KB	-rw-r--r--	2022-02-08 16:22
bytestrie.h	20.77 KB	-rw-r--r--	2022-02-08 16:22
bytestriebuilder.h	7.08 KB	-rw-r--r--	2022-02-08 16:22
calendar.h	105.74 KB	-rw-r--r--	2022-02-08 16:22
caniter.h	7.43 KB	-rw-r--r--	2022-02-08 16:22
casemap.h	25.33 KB	-rw-r--r--	2022-02-08 16:22
char16ptr.h	7.22 KB	-rw-r--r--	2022-02-08 16:22
chariter.h	24.05 KB	-rw-r--r--	2022-02-08 16:22
choicfmt.h	23.91 KB	-rw-r--r--	2022-02-08 16:22
coleitr.h	13.76 KB	-rw-r--r--	2022-02-08 16:22
coll.h	56.23 KB	-rw-r--r--	2022-02-08 16:22
compactdecimalformat.h	6.88 KB	-rw-r--r--	2022-02-08 16:22
curramt.h	3.76 KB	-rw-r--r--	2022-02-08 16:22
currpinf.h	7.3 KB	-rw-r--r--	2022-02-08 16:22
currunit.h	4.05 KB	-rw-r--r--	2022-02-08 16:22
datefmt.h	40.67 KB	-rw-r--r--	2022-02-08 16:22
dbbi.h	1.19 KB	-rw-r--r--	2022-02-08 16:22
dcfmtsym.h	20.13 KB	-rw-r--r--	2022-02-08 16:22
decimfmt.h	87.38 KB	-rw-r--r--	2022-02-08 16:22
docmain.h	6.97 KB	-rw-r--r--	2022-02-08 16:22
dtfmtsym.h	37.7 KB	-rw-r--r--	2022-02-08 16:22
dtintrv.h	3.84 KB	-rw-r--r--	2022-02-08 16:22
dtitvfmt.h	46.63 KB	-rw-r--r--	2022-02-08 16:22
dtitvinf.h	18.51 KB	-rw-r--r--	2022-02-08 16:22
dtptngen.h	25.08 KB	-rw-r--r--	2022-02-08 16:22
dtrule.h	8.68 KB	-rw-r--r--	2022-02-08 16:22
edits.h	20.74 KB	-rw-r--r--	2022-02-08 16:22
enumset.h	2.08 KB	-rw-r--r--	2022-02-08 16:22
errorcode.h	4.84 KB	-rw-r--r--	2022-02-08 16:22
fieldpos.h	8.69 KB	-rw-r--r--	2022-02-08 16:22
filteredbrk.h	5.37 KB	-rw-r--r--	2022-02-08 16:22
fmtable.h	24.42 KB	-rw-r--r--	2022-02-08 16:22
format.h	12.5 KB	-rw-r--r--	2022-02-08 16:22
formattedvalue.h	10.27 KB	-rw-r--r--	2022-02-08 16:22
fpositer.h	3.04 KB	-rw-r--r--	2022-02-08 16:22
gender.h	3.33 KB	-rw-r--r--	2022-02-08 16:22
gregocal.h	31.71 KB	-rw-r--r--	2022-02-08 16:22
icudataver.h	1.03 KB	-rw-r--r--	2022-02-08 16:22
icuplug.h	11.88 KB	-rw-r--r--	2022-02-08 16:22
idna.h	12.7 KB	-rw-r--r--	2022-02-08 16:22
listformatter.h	9.47 KB	-rw-r--r--	2022-02-08 16:22
localebuilder.h	11.27 KB	-rw-r--r--	2022-02-08 16:22
localematcher.h	22.5 KB	-rw-r--r--	2022-02-08 16:22
localpointer.h	19.69 KB	-rw-r--r--	2022-02-08 16:22
locdspnm.h	7.12 KB	-rw-r--r--	2022-02-08 16:22
locid.h	47.4 KB	-rw-r--r--	2022-02-08 16:22
measfmt.h	11.33 KB	-rw-r--r--	2022-02-08 16:22
measunit.h	93.31 KB	-rw-r--r--	2022-02-08 16:22
measure.h	4.32 KB	-rw-r--r--	2022-02-08 16:22
messagepattern.h	33.71 KB	-rw-r--r--	2022-02-08 16:22
msgfmt.h	44.11 KB	-rw-r--r--	2022-02-08 16:22
normalizer2.h	34.03 KB	-rw-r--r--	2022-02-08 16:22
normlzr.h	30.94 KB	-rw-r--r--	2022-02-08 16:22
nounit.h	2.69 KB	-rw-r--r--	2022-02-08 16:22
numberformatter.h	86.31 KB	-rw-r--r--	2022-02-08 16:22
numberrangeformatter.h	30.14 KB	-rw-r--r--	2022-02-08 16:22
numfmt.h	49.81 KB	-rw-r--r--	2022-02-08 16:22
numsys.h	7.19 KB	-rw-r--r--	2022-02-08 16:22
parseerr.h	3.08 KB	-rw-r--r--	2022-02-08 16:22
parsepos.h	5.56 KB	-rw-r--r--	2022-02-08 16:22
platform.h	28.08 KB	-rw-r--r--	2022-02-08 16:22
plurfmt.h	25.2 KB	-rw-r--r--	2022-02-08 16:22
plurrule.h	18.39 KB	-rw-r--r--	2022-02-08 16:22
ptypes.h	3.49 KB	-rw-r--r--	2022-02-08 16:22
putil.h	6.33 KB	-rw-r--r--	2022-02-08 16:22
rbbi.h	26.58 KB	-rw-r--r--	2022-02-08 16:22
rbnf.h	48.73 KB	-rw-r--r--	2022-02-08 16:22
rbtz.h	15.6 KB	-rw-r--r--	2022-02-08 16:22
regex.h	84.36 KB	-rw-r--r--	2022-02-08 16:22
region.h	9.18 KB	-rw-r--r--	2022-02-08 16:22
reldatefmt.h	22.62 KB	-rw-r--r--	2022-02-08 16:22
rep.h	9.37 KB	-rw-r--r--	2022-02-08 16:22
resbund.h	18.07 KB	-rw-r--r--	2022-02-08 16:22
schriter.h	6.32 KB	-rw-r--r--	2022-02-08 16:22
scientificnumberformatter.h	6.4 KB	-rw-r--r--	2022-02-08 16:22
search.h	22.22 KB	-rw-r--r--	2022-02-08 16:22
selfmt.h	14.3 KB	-rw-r--r--	2022-02-08 16:22
simpleformatter.h	12.59 KB	-rw-r--r--	2022-02-08 16:22
simpletz.h	45.44 KB	-rw-r--r--	2022-02-08 16:22
smpdtfmt.h	70.97 KB	-rw-r--r--	2022-02-08 16:22
sortkey.h	11.18 KB	-rw-r--r--	2022-02-08 16:22
std_string.h	1.05 KB	-rw-r--r--	2022-02-08 16:22
strenum.h	9.92 KB	-rw-r--r--	2022-02-08 16:22
stringoptions.h	5.79 KB	-rw-r--r--	2022-02-08 16:22
stringpiece.h	7.38 KB	-rw-r--r--	2022-02-08 16:22
stringtriebuilder.h	15.33 KB	-rw-r--r--	2022-02-08 16:22
stsearch.h	21.3 KB	-rw-r--r--	2022-02-08 16:22
symtable.h	4.27 KB	-rw-r--r--	2022-02-08 16:22
tblcoll.h	36.61 KB	-rw-r--r--	2022-02-08 16:22
timezone.h	41.02 KB	-rw-r--r--	2022-02-08 16:22
tmunit.h	3.38 KB	-rw-r--r--	2022-02-08 16:22
tmutamt.h	4.9 KB	-rw-r--r--	2022-02-08 16:22
tmutfmt.h	7.85 KB	-rw-r--r--	2022-02-08 16:22
translit.h	65.82 KB	-rw-r--r--	2022-02-08 16:22
tzfmt.h	42.89 KB	-rw-r--r--	2022-02-08 16:22
tznames.h	16.85 KB	-rw-r--r--	2022-02-08 16:22
tzrule.h	35.37 KB	-rw-r--r--	2022-02-08 16:22
tztrans.h	6.12 KB	-rw-r--r--	2022-02-08 16:22
ubidi.h	89.56 KB	-rw-r--r--	2022-02-08 16:22
ubiditransform.h	12.65 KB	-rw-r--r--	2022-02-08 16:22
ubrk.h	23.97 KB	-rw-r--r--	2022-02-08 16:22
ucal.h	56.9 KB	-rw-r--r--	2022-02-08 16:22
ucasemap.h	15.18 KB	-rw-r--r--	2022-02-08 16:22
ucat.h	5.36 KB	-rw-r--r--	2022-02-08 16:22
uchar.h	140.56 KB	-rw-r--r--	2022-02-08 16:22
ucharstrie.h	22.58 KB	-rw-r--r--	2022-02-08 16:22
ucharstriebuilder.h	7.21 KB	-rw-r--r--	2022-02-08 16:22
uchriter.h	13.2 KB	-rw-r--r--	2022-02-08 16:22
uclean.h	11.21 KB	-rw-r--r--	2022-02-08 16:22
ucnv.h	83.09 KB	-rw-r--r--	2022-02-08 16:22
ucnv_cb.h	6.59 KB	-rw-r--r--	2022-02-08 16:22
ucnv_err.h	20.99 KB	-rw-r--r--	2022-02-08 16:22
ucnvsel.h	6.14 KB	-rw-r--r--	2022-02-08 16:22
ucol.h	61.46 KB	-rw-r--r--	2022-02-08 16:22
ucoleitr.h	9.46 KB	-rw-r--r--	2022-02-08 16:22
uconfig.h	12.07 KB	-rw-r--r--	2022-02-08 16:22
ucpmap.h	5.53 KB	-rw-r--r--	2022-02-08 16:22
ucptrie.h	22.46 KB	-rw-r--r--	2022-02-08 16:22
ucsdet.h	14.67 KB	-rw-r--r--	2022-02-08 16:22
ucurr.h	16.12 KB	-rw-r--r--	2022-02-08 16:22
udat.h	60.88 KB	-rw-r--r--	2022-02-08 16:22
udata.h	15.56 KB	-rw-r--r--	2022-02-08 16:22
udateintervalformat.h	10.03 KB	-rw-r--r--	2022-02-08 16:22
udatpg.h	26.01 KB	-rw-r--r--	2022-02-08 16:22
udisplaycontext.h	5.89 KB	-rw-r--r--	2022-02-08 16:22
uenum.h	7.78 KB	-rw-r--r--	2022-02-08 16:22
ufieldpositer.h	4.36 KB	-rw-r--r--	2022-02-08 16:22
uformattable.h	10.94 KB	-rw-r--r--	2022-02-08 16:22
uformattedvalue.h	12.14 KB	-rw-r--r--	2022-02-08 16:22
ugender.h	2 KB	-rw-r--r--	2022-02-08 16:22
uidna.h	33.37 KB	-rw-r--r--	2022-02-08 16:22
uiter.h	22.77 KB	-rw-r--r--	2022-02-08 16:22
uldnames.h	10.45 KB	-rw-r--r--	2022-02-08 16:22
ulistformatter.h	8.83 KB	-rw-r--r--	2022-02-08 16:22
uloc.h	52.54 KB	-rw-r--r--	2022-02-08 16:22
ulocdata.h	11.26 KB	-rw-r--r--	2022-02-08 16:22
umachine.h	14.53 KB	-rw-r--r--	2022-02-08 16:22
umisc.h	1.33 KB	-rw-r--r--	2022-02-08 16:22
umsg.h	24.23 KB	-rw-r--r--	2022-02-08 16:22
umutablecptrie.h	8.24 KB	-rw-r--r--	2022-02-08 16:22
unifilt.h	3.96 KB	-rw-r--r--	2022-02-08 16:22
unifunct.h	4.04 KB	-rw-r--r--	2022-02-08 16:22
unimatch.h	6.1 KB	-rw-r--r--	2022-02-08 16:22
unirepl.h	3.38 KB	-rw-r--r--	2022-02-08 16:22
uniset.h	64.9 KB	-rw-r--r--	2022-02-08 16:22
unistr.h	170.43 KB	-rw-r--r--	2022-02-08 16:22
unorm.h	20.52 KB	-rw-r--r--	2022-02-08 16:22
unorm2.h	24.66 KB	-rw-r--r--	2022-02-08 16:22
unum.h	53.62 KB	-rw-r--r--	2022-02-08 16:22
unumberformatter.h	25.36 KB	-rw-r--r--	2022-02-08 16:22
unumsys.h	7.21 KB	-rw-r--r--	2022-02-08 16:22
uobject.h	10.68 KB	-rw-r--r--	2022-02-08 16:22
upluralrules.h	7.88 KB	-rw-r--r--	2022-02-08 16:22
uregex.h	72.05 KB	-rw-r--r--	2022-02-08 16:22
uregion.h	9.84 KB	-rw-r--r--	2022-02-08 16:22
ureldatefmt.h	17.26 KB	-rw-r--r--	2022-02-08 16:22
urename.h	130.97 KB	-rw-r--r--	2022-02-08 16:22
urep.h	5.38 KB	-rw-r--r--	2022-02-08 16:22
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ushape.h	18 KB	-rw-r--r--	2022-02-08 16:22
uspoof.h	65.9 KB	-rw-r--r--	2022-02-08 16:22
usprep.h	8.14 KB	-rw-r--r--	2022-02-08 16:22
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ustream.h	1.89 KB	-rw-r--r--	2022-02-08 16:22
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ustringtrie.h	3.15 KB	-rw-r--r--	2022-02-08 16:22
utext.h	58.13 KB	-rw-r--r--	2022-02-08 16:22
utf.h	7.86 KB	-rw-r--r--	2022-02-08 16:22
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utf32.h	763 B	-rw-r--r--	2022-02-08 16:22
utf8.h	30.96 KB	-rw-r--r--	2022-02-08 16:22
utf_old.h	45.83 KB	-rw-r--r--	2022-02-08 16:22
utmscale.h	13.78 KB	-rw-r--r--	2022-02-08 16:22
utrace.h	15.73 KB	-rw-r--r--	2022-02-08 16:22
utrans.h	25.52 KB	-rw-r--r--	2022-02-08 16:22
utypes.h	30.74 KB	-rw-r--r--	2022-02-08 16:22
uvernum.h	6.67 KB	-rw-r--r--	2022-02-08 16:22
uversion.h	6 KB	-rw-r--r--	2022-02-08 16:22
vtzone.h	20.3 KB	-rw-r--r--	2022-02-08 16:22

Rename

// © 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.
******************************************************************************
*/

/**
 * \file
 * \brief C API: ICU Plugin API 
 *
 * <h2>C API: ICU Plugin API</h2>
 *
 * <p>C API allowing run-time loadable modules that extend or modify ICU functionality.</p>
 *
 * <h3>Loading and Configuration</h3>
 *
 * <p>At ICU startup time, the environment variable "ICU_PLUGINS" will be 
 * queried for a directory name.  If it is not set, the preprocessor symbol 
 * "DEFAULT_ICU_PLUGINS" will be checked for a default value.</p>
 *
 * <p>Within the above-named directory, the file  "icuplugins##.txt" will be 
 * opened, if present, where ## is the major+minor number of the currently 
 * running ICU (such as, 44 for ICU 4.4, thus icuplugins44.txt)</p>
 *
 * <p>The configuration file has this format:</p>
 *
 * <ul>
 * <li>Hash (#) begins a comment line</li>
 * 
 * <li>Non-comment lines have two or three components:
 * LIBRARYNAME     ENTRYPOINT     [ CONFIGURATION .. ]</li>
 *
 * <li>Tabs or spaces separate the three items.</li>
 *
 * <li>LIBRARYNAME is the name of a shared library, either a short name if 
 * it is on the loader path,  or a full pathname.</li>
 *
 * <li>ENTRYPOINT is the short (undecorated) symbol name of the plugin's 
 * entrypoint, as above.</li>
 *
 * <li>CONFIGURATION is the entire rest of the line . It's passed as-is to 
 * the plugin.</li>
 * </ul>
 *
 * <p>An example configuration file is, in its entirety:</p>
 *
 * \code
 * # this is icuplugins44.txt
 * testplug.dll    myPlugin        hello=world
 * \endcode
 * <p>Plugins are categorized as "high" or "low" level.  Low level are those 
 * which must be run BEFORE high level plugins, and before any operations 
 * which cause ICU to be 'initialized'.  If a plugin is low level but 
 * causes ICU to allocate memory or become initialized, that plugin is said 
 * to cause a 'level change'. </p>
 *
 * <p>At load time, ICU first queries all plugins to determine their level, 
 * then loads all 'low' plugins first, and then loads all 'high' plugins.  
 * Plugins are otherwise loaded in the order listed in the configuration file.</p>
 * 
 * <h3>Implementing a Plugin</h3>
 * \code
 * U_CAPI UPlugTokenReturn U_EXPORT2 
 * myPlugin (UPlugData *plug, UPlugReason reason, UErrorCode *status) {
 *   if(reason==UPLUG_REASON_QUERY) {
 *      uplug_setPlugName(plug, "Simple Plugin");
 *      uplug_setPlugLevel(plug, UPLUG_LEVEL_HIGH);
 *    } else if(reason==UPLUG_REASON_LOAD) {
 *       ... Set up some ICU things here.... 
 *    } else if(reason==UPLUG_REASON_UNLOAD) {
 *       ... unload, clean up ...
 *    }
 *   return UPLUG_TOKEN;
 *  }
 * \endcode
 *
 * <p>The UPlugData*  is an opaque pointer to the plugin-specific data, and is 
 * used in all other API calls.</p>
 *
 * <p>The API contract is:</p>
 * <ol><li>The plugin MUST always return UPLUG_TOKEN as a return value- to 
 * indicate that it is a valid plugin.</li>
 *
 * <li>When the 'reason' parameter is set to UPLUG_REASON_QUERY,  the 
 * plugin MUST call uplug_setPlugLevel() to indicate whether it is a high 
 * level or low level plugin.</li>
 *
 * <li>When the 'reason' parameter is UPLUG_REASON_QUERY, the plugin 
 * SHOULD call uplug_setPlugName to indicate a human readable plugin name.</li></ol>
 * 
 *
 * \internal ICU 4.4 Technology Preview
 */

#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
/**
 * @{
 * Opaque structure passed to/from a plugin. 
 * use the APIs to access it.
 * @internal ICU 4.4 Technology Preview
 */

struct UPlugData;
typedef struct UPlugData UPlugData;

/** @} */

/**
 * Random Token to identify a valid ICU plugin. Plugins must return this 
 * from the entrypoint.
 * @internal ICU 4.4 Technology Preview
 */
#define UPLUG_TOKEN 0x54762486

/**
 * Max width of names, symbols, and configuration strings
 * @internal ICU 4.4 Technology Preview
 */
#define UPLUG_NAME_MAX              100

/**
 * Return value from a plugin entrypoint. 
 * Must always be set to UPLUG_TOKEN
 * @see UPLUG_TOKEN
 * @internal ICU 4.4 Technology Preview
 */
typedef uint32_t UPlugTokenReturn;

/**
 * Reason code for the entrypoint's call
 * @internal ICU 4.4 Technology Preview
 */
typedef enum {
    UPLUG_REASON_QUERY = 0,     /**< The plugin is being queried for info. **/
    UPLUG_REASON_LOAD = 1,     /**< The plugin is being loaded. **/
    UPLUG_REASON_UNLOAD = 2,   /**< The plugin is being unloaded. **/
    /**
     * Number of known reasons.
     * @internal The numeric value may change over time, see ICU ticket #12420.
     */
    UPLUG_REASON_COUNT
} UPlugReason;

/**
 * Level of plugin loading
 *     INITIAL:  UNKNOWN
 *       QUERY:   INVALID ->  { LOW | HIGH }
 *     ERR -> INVALID
 * @internal ICU 4.4 Technology Preview
 */
typedef enum {
    UPLUG_LEVEL_INVALID = 0,     /**< The plugin is invalid, hasn't called uplug_setLevel, or can't load. **/
    UPLUG_LEVEL_UNKNOWN = 1,     /**< The plugin is waiting to be installed. **/
    UPLUG_LEVEL_LOW     = 2,     /**< The plugin must be called before u_init completes **/
    UPLUG_LEVEL_HIGH    = 3,     /**< The plugin can run at any time. **/
    /**
     * Number of known levels.
     * @internal The numeric value may change over time, see ICU ticket #12420.
     */
    UPLUG_LEVEL_COUNT
} UPlugLevel;

/**
 * Entrypoint for an ICU plugin.
 * @param plug the UPlugData handle. 
 * @param status the plugin's extended status code.
 * @return A valid plugin must return UPLUG_TOKEN
 * @internal ICU 4.4 Technology Preview
 */
typedef UPlugTokenReturn (U_EXPORT2 UPlugEntrypoint) (
                  UPlugData *plug,
                  UPlugReason reason,
                  UErrorCode *status);

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

/**
 * Request that this plugin not be unloaded at cleanup time.
 * This is appropriate for plugins which cannot be cleaned up.
 * @see u_cleanup()
 * @param plug plugin
 * @param dontUnload  set true if this plugin can't be unloaded
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL void U_EXPORT2 
uplug_setPlugNoUnload(UPlugData *plug, UBool dontUnload);

/**
 * Set the level of this plugin.
 * @param plug plugin data handle
 * @param level the level of this plugin
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL void U_EXPORT2
uplug_setPlugLevel(UPlugData *plug, UPlugLevel level);

/**
 * Get the level of this plugin.
 * @param plug plugin data handle
 * @return the level of this plugin
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL UPlugLevel U_EXPORT2
uplug_getPlugLevel(UPlugData *plug);

/**
 * Get the lowest level of plug which can currently load.
 * For example, if UPLUG_LEVEL_LOW is returned, then low level plugins may load
 * if UPLUG_LEVEL_HIGH is returned, then only high level plugins may load.
 * @return the lowest level of plug which can currently load
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL UPlugLevel U_EXPORT2
uplug_getCurrentLevel(void);

/**
 * Get plug load status
 * @return The error code of this plugin's load attempt.
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL UErrorCode U_EXPORT2
uplug_getPlugLoadStatus(UPlugData *plug);

/**
 * Set the human-readable name of this plugin.
 * @param plug plugin data handle
 * @param name the name of this plugin. The first UPLUG_NAME_MAX characters willi be copied into a new buffer.
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL void U_EXPORT2
uplug_setPlugName(UPlugData *plug, const char *name);

/**
 * Get the human-readable name of this plugin.
 * @param plug plugin data handle
 * @return the name of this plugin
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL const char * U_EXPORT2
uplug_getPlugName(UPlugData *plug);

/**
 * Return the symbol name for this plugin, if known.
 * @param plug plugin data handle
 * @return the symbol name, or NULL
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL const char * U_EXPORT2
uplug_getSymbolName(UPlugData *plug);

/**
 * Return the library name for this plugin, if known.
 * @param plug plugin data handle
 * @param status error code
 * @return the library name, or NULL
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL const char * U_EXPORT2
uplug_getLibraryName(UPlugData *plug, UErrorCode *status);

/**
 * Return the library used for this plugin, if known.
 * Plugins could use this to load data out of their 
 * @param plug plugin data handle
 * @return the library, or NULL
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL void * U_EXPORT2
uplug_getLibrary(UPlugData *plug);

/**
 * Return the plugin-specific context data.
 * @param plug plugin data handle
 * @return the context, or NULL if not set
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL void * U_EXPORT2
uplug_getContext(UPlugData *plug);

/**
 * Set the plugin-specific context data.
 * @param plug plugin data handle
 * @param context new context to set
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL void U_EXPORT2
uplug_setContext(UPlugData *plug, void *context);

/**
 * Get the configuration string, if available.
 * The string is in the platform default codepage.
 * @param plug plugin data handle
 * @return configuration string, or else null.
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL const char * U_EXPORT2
uplug_getConfiguration(UPlugData *plug);

/**
 * Return all currently installed plugins, from newest to oldest
 * Usage Example:
 * \code
 *    UPlugData *plug = NULL;
 *    while(plug=uplug_nextPlug(plug)) {
 *        ... do something with 'plug' ...
 *    }
 * \endcode
 * Not thread safe- do not call while plugs are added or removed.
 * @param prior pass in 'NULL' to get the first (most recent) plug, 
 *  otherwise pass the value returned on a prior call to uplug_nextPlug
 * @return the next oldest plugin, or NULL if no more.
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL UPlugData* U_EXPORT2
uplug_nextPlug(UPlugData *prior);

/**
 * Inject a plugin as if it were loaded from a library.
 * This is useful for testing plugins. 
 * Note that it will have a 'NULL' library pointer associated
 * with it, and therefore no llibrary will be closed at cleanup time.
 * Low level plugins may not be able to load, as ordering can't be enforced.
 * @param entrypoint entrypoint to install
 * @param config user specified configuration string, if available, or NULL.
 * @param status error result
 * @return the new UPlugData associated with this plugin, or NULL if error.
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL UPlugData* U_EXPORT2
uplug_loadPlugFromEntrypoint(UPlugEntrypoint *entrypoint, const char *config, UErrorCode *status);

/**
 * Inject a plugin from a library, as if the information came from a config file.
 * Low level plugins may not be able to load, and ordering can't be enforced.
 * @param libName DLL name to load
 * @param sym symbol of plugin (UPlugEntrypoint function)
 * @param config configuration string, or NULL
 * @param status error result
 * @return the new UPlugData associated with this plugin, or NULL if error.
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL UPlugData* U_EXPORT2
uplug_loadPlugFromLibrary(const char *libName, const char *sym, const char *config, UErrorCode *status);

/**
 * Remove a plugin. 
 * Will request the plugin to be unloaded, and close the library if needed
 * @param plug plugin handle to close
 * @param status error result
 * @internal ICU 4.4 Technology Preview
 */
U_INTERNAL void U_EXPORT2
uplug_removePlug(UPlugData *plug, UErrorCode *status);
#endif  /* U_HIDE_INTERNAL_API */

#endif /* UCONFIG_ENABLE_PLUGINS */

#endif /* _ICUPLUG */