diff options
Diffstat (limited to 'deps/node/deps/icu-small/source/common/icuplug.cpp')
| -rw-r--r-- | deps/node/deps/icu-small/source/common/icuplug.cpp | 882 |
1 files changed, 0 insertions, 882 deletions
diff --git a/deps/node/deps/icu-small/source/common/icuplug.cpp b/deps/node/deps/icu-small/source/common/icuplug.cpp deleted file mode 100644 index c3c8231b..00000000 --- a/deps/node/deps/icu-small/source/common/icuplug.cpp +++ /dev/null @@ -1,882 +0,0 @@ -// © 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.c -* -* Date Name Description -* 10/29/2009 sl New. -****************************************************************************** -*/ - -#include "unicode/icuplug.h" - - -#if UCONFIG_ENABLE_PLUGINS - - -#include "icuplugimp.h" -#include "cstring.h" -#include "cmemory.h" -#include "putilimp.h" -#include "ucln.h" -#include <stdio.h> -#ifdef __MVS__ /* defined by z/OS compiler */ -#define _POSIX_SOURCE -#include <cics.h> /* 12 Nov 2011 JAM iscics() function */ -#endif -#include "charstr.h" - -using namespace icu; - -#ifndef UPLUG_TRACE -#define UPLUG_TRACE 0 -#endif - -#if UPLUG_TRACE -#include <stdio.h> -#define DBG(x) fprintf(stderr, "%s:%d: ",__FILE__,__LINE__); fprintf x -#endif - -/** - * Internal structure of an ICU plugin. - */ - -struct UPlugData { - UPlugEntrypoint *entrypoint; /**< plugin entrypoint */ - uint32_t structSize; /**< initialized to the size of this structure */ - uint32_t token; /**< must be U_PLUG_TOKEN */ - void *lib; /**< plugin library, or NULL */ - char libName[UPLUG_NAME_MAX]; /**< library name */ - char sym[UPLUG_NAME_MAX]; /**< plugin symbol, or NULL */ - char config[UPLUG_NAME_MAX]; /**< configuration data */ - void *context; /**< user context data */ - char name[UPLUG_NAME_MAX]; /**< name of plugin */ - UPlugLevel level; /**< level of plugin */ - UBool awaitingLoad; /**< TRUE if the plugin is awaiting a load call */ - UBool dontUnload; /**< TRUE if plugin must stay resident (leak plugin and lib) */ - UErrorCode pluginStatus; /**< status code of plugin */ -}; - - - -#define UPLUG_LIBRARY_INITIAL_COUNT 8 -#define UPLUG_PLUGIN_INITIAL_COUNT 12 - -/** - * Remove an item - * @param list the full list - * @param listSize the number of entries in the list - * @param memberSize the size of one member - * @param itemToRemove the item number of the member - * @return the new listsize - */ -static int32_t uplug_removeEntryAt(void *list, int32_t listSize, int32_t memberSize, int32_t itemToRemove) { - uint8_t *bytePtr = (uint8_t *)list; - - /* get rid of some bad cases first */ - if(listSize<1) { - return listSize; - } - - /* is there anything to move? */ - if(listSize > itemToRemove+1) { - memmove(bytePtr+(itemToRemove*memberSize), bytePtr+((itemToRemove+1)*memberSize), memberSize); - } - - return listSize-1; -} - - - - -#if U_ENABLE_DYLOAD -/** - * Library management. Internal. - * @internal - */ -struct UPlugLibrary; - -/** - * Library management. Internal. - * @internal - */ -typedef struct UPlugLibrary { - void *lib; /**< library ptr */ - char name[UPLUG_NAME_MAX]; /**< library name */ - uint32_t ref; /**< reference count */ -} UPlugLibrary; - -static UPlugLibrary staticLibraryList[UPLUG_LIBRARY_INITIAL_COUNT]; -static UPlugLibrary * libraryList = staticLibraryList; -static int32_t libraryCount = 0; -static int32_t libraryMax = UPLUG_LIBRARY_INITIAL_COUNT; - -/** - * Search for a library. Doesn't lock - * @param libName libname to search for - * @return the library's struct - */ -static int32_t searchForLibraryName(const char *libName) { - int32_t i; - - for(i=0;i<libraryCount;i++) { - if(!uprv_strcmp(libName, libraryList[i].name)) { - return i; - } - } - return -1; -} - -static int32_t searchForLibrary(void *lib) { - int32_t i; - - for(i=0;i<libraryCount;i++) { - if(lib==libraryList[i].lib) { - return i; - } - } - return -1; -} - -U_INTERNAL char * U_EXPORT2 -uplug_findLibrary(void *lib, UErrorCode *status) { - int32_t libEnt; - char *ret = NULL; - if(U_FAILURE(*status)) { - return NULL; - } - libEnt = searchForLibrary(lib); - if(libEnt!=-1) { - ret = libraryList[libEnt].name; - } else { - *status = U_MISSING_RESOURCE_ERROR; - } - return ret; -} - -U_INTERNAL void * U_EXPORT2 -uplug_openLibrary(const char *libName, UErrorCode *status) { - int32_t libEntry = -1; - void *lib = NULL; - - if(U_FAILURE(*status)) return NULL; - - libEntry = searchForLibraryName(libName); - if(libEntry == -1) { - libEntry = libraryCount++; - if(libraryCount >= libraryMax) { - /* Ran out of library slots. Statically allocated because we can't depend on allocating memory.. */ - *status = U_MEMORY_ALLOCATION_ERROR; -#if UPLUG_TRACE - DBG((stderr, "uplug_openLibrary() - out of library slots (max %d)\n", libraryMax)); -#endif - return NULL; - } - /* Some operating systems don't want - DL operations from multiple threads. */ - libraryList[libEntry].lib = uprv_dl_open(libName, status); -#if UPLUG_TRACE - DBG((stderr, "uplug_openLibrary(%s,%s) libEntry %d, lib %p\n", libName, u_errorName(*status), libEntry, lib)); -#endif - - if(libraryList[libEntry].lib == NULL || U_FAILURE(*status)) { - /* cleanup. */ - libraryList[libEntry].lib = NULL; /* failure with open */ - libraryList[libEntry].name[0] = 0; -#if UPLUG_TRACE - DBG((stderr, "uplug_openLibrary(%s,%s) libEntry %d, lib %p\n", libName, u_errorName(*status), libEntry, lib)); -#endif - /* no need to free - just won't increase the count. */ - libraryCount--; - } else { /* is it still there? */ - /* link it in */ - uprv_strncpy(libraryList[libEntry].name,libName,UPLUG_NAME_MAX); - libraryList[libEntry].ref=1; - lib = libraryList[libEntry].lib; - } - - } else { - lib = libraryList[libEntry].lib; - libraryList[libEntry].ref++; - } - return lib; -} - -U_INTERNAL void U_EXPORT2 -uplug_closeLibrary(void *lib, UErrorCode *status) { - int32_t i; - -#if UPLUG_TRACE - DBG((stderr, "uplug_closeLibrary(%p,%s) list %p\n", lib, u_errorName(*status), (void*)libraryList)); -#endif - if(U_FAILURE(*status)) return; - - for(i=0;i<libraryCount;i++) { - if(lib==libraryList[i].lib) { - if(--(libraryList[i].ref) == 0) { - uprv_dl_close(libraryList[i].lib, status); - libraryCount = uplug_removeEntryAt(libraryList, libraryCount, sizeof(*libraryList), i); - } - return; - } - } - *status = U_INTERNAL_PROGRAM_ERROR; /* could not find the entry! */ -} - -#endif - -static UPlugData pluginList[UPLUG_PLUGIN_INITIAL_COUNT]; -static int32_t pluginCount = 0; - - - - -static int32_t uplug_pluginNumber(UPlugData* d) { - UPlugData *pastPlug = &pluginList[pluginCount]; - if(d<=pluginList) { - return 0; - } else if(d>=pastPlug) { - return pluginCount; - } else { - return (d-pluginList)/sizeof(pluginList[0]); - } -} - - -U_CAPI UPlugData * U_EXPORT2 -uplug_nextPlug(UPlugData *prior) { - if(prior==NULL) { - return pluginList; - } else { - UPlugData *nextPlug = &prior[1]; - UPlugData *pastPlug = &pluginList[pluginCount]; - - if(nextPlug>=pastPlug) { - return NULL; - } else { - return nextPlug; - } - } -} - - - -/** - * Call the plugin with some params - */ -static void uplug_callPlug(UPlugData *plug, UPlugReason reason, UErrorCode *status) { - UPlugTokenReturn token; - if(plug==NULL||U_FAILURE(*status)) { - return; - } - token = (*(plug->entrypoint))(plug, reason, status); - if(token!=UPLUG_TOKEN) { - *status = U_INTERNAL_PROGRAM_ERROR; - } -} - - -static void uplug_unloadPlug(UPlugData *plug, UErrorCode *status) { - if(plug->awaitingLoad) { /* shouldn't happen. Plugin hasn'tbeen loaded yet.*/ - *status = U_INTERNAL_PROGRAM_ERROR; - return; - } - if(U_SUCCESS(plug->pluginStatus)) { - /* Don't unload a plug which has a failing load status - means it didn't actually load. */ - uplug_callPlug(plug, UPLUG_REASON_UNLOAD, status); - } -} - -static void uplug_queryPlug(UPlugData *plug, UErrorCode *status) { - if(!plug->awaitingLoad || !(plug->level == UPLUG_LEVEL_UNKNOWN) ) { /* shouldn't happen. Plugin hasn'tbeen loaded yet.*/ - *status = U_INTERNAL_PROGRAM_ERROR; - return; - } - plug->level = UPLUG_LEVEL_INVALID; - uplug_callPlug(plug, UPLUG_REASON_QUERY, status); - if(U_SUCCESS(*status)) { - if(plug->level == UPLUG_LEVEL_INVALID) { - plug->pluginStatus = U_PLUGIN_DIDNT_SET_LEVEL; - plug->awaitingLoad = FALSE; - } - } else { - plug->pluginStatus = U_INTERNAL_PROGRAM_ERROR; - plug->awaitingLoad = FALSE; - } -} - - -static void uplug_loadPlug(UPlugData *plug, UErrorCode *status) { - if(U_FAILURE(*status)) { - return; - } - if(!plug->awaitingLoad || (plug->level < UPLUG_LEVEL_LOW) ) { /* shouldn't happen. Plugin hasn'tbeen loaded yet.*/ - *status = U_INTERNAL_PROGRAM_ERROR; - return; - } - uplug_callPlug(plug, UPLUG_REASON_LOAD, status); - plug->awaitingLoad = FALSE; - if(!U_SUCCESS(*status)) { - plug->pluginStatus = U_INTERNAL_PROGRAM_ERROR; - } -} - -static UPlugData *uplug_allocateEmptyPlug(UErrorCode *status) -{ - UPlugData *plug = NULL; - - if(U_FAILURE(*status)) { - return NULL; - } - - if(pluginCount == UPLUG_PLUGIN_INITIAL_COUNT) { - *status = U_MEMORY_ALLOCATION_ERROR; - return NULL; - } - - plug = &pluginList[pluginCount++]; - - plug->token = UPLUG_TOKEN; - plug->structSize = sizeof(UPlugData); - plug->name[0]=0; - plug->level = UPLUG_LEVEL_UNKNOWN; /* initialize to null state */ - plug->awaitingLoad = TRUE; - plug->dontUnload = FALSE; - plug->pluginStatus = U_ZERO_ERROR; - plug->libName[0] = 0; - plug->config[0]=0; - plug->sym[0]=0; - plug->lib=NULL; - plug->entrypoint=NULL; - - - return plug; -} - -static UPlugData *uplug_allocatePlug(UPlugEntrypoint *entrypoint, const char *config, void *lib, const char *symName, - UErrorCode *status) { - UPlugData *plug = uplug_allocateEmptyPlug(status); - if(U_FAILURE(*status)) { - return NULL; - } - - if(config!=NULL) { - uprv_strncpy(plug->config, config, UPLUG_NAME_MAX); - } else { - plug->config[0] = 0; - } - - if(symName!=NULL) { - uprv_strncpy(plug->sym, symName, UPLUG_NAME_MAX); - } else { - plug->sym[0] = 0; - } - - plug->entrypoint = entrypoint; - plug->lib = lib; - uplug_queryPlug(plug, status); - - return plug; -} - -static void uplug_deallocatePlug(UPlugData *plug, UErrorCode *status) { - UErrorCode subStatus = U_ZERO_ERROR; - if(!plug->dontUnload) { -#if U_ENABLE_DYLOAD - uplug_closeLibrary(plug->lib, &subStatus); -#endif - } - plug->lib = NULL; - if(U_SUCCESS(*status) && U_FAILURE(subStatus)) { - *status = subStatus; - } - /* shift plugins up and decrement count. */ - if(U_SUCCESS(*status)) { - /* all ok- remove. */ - pluginCount = uplug_removeEntryAt(pluginList, pluginCount, sizeof(plug[0]), uplug_pluginNumber(plug)); - } else { - /* not ok- leave as a message. */ - plug->awaitingLoad=FALSE; - plug->entrypoint=0; - plug->dontUnload=TRUE; - } -} - -static void uplug_doUnloadPlug(UPlugData *plugToRemove, UErrorCode *status) { - if(plugToRemove != NULL) { - uplug_unloadPlug(plugToRemove, status); - uplug_deallocatePlug(plugToRemove, status); - } -} - -U_CAPI void U_EXPORT2 -uplug_removePlug(UPlugData *plug, UErrorCode *status) { - UPlugData *cursor = NULL; - UPlugData *plugToRemove = NULL; - if(U_FAILURE(*status)) return; - - for(cursor=pluginList;cursor!=NULL;) { - if(cursor==plug) { - plugToRemove = plug; - cursor=NULL; - } else { - cursor = uplug_nextPlug(cursor); - } - } - - uplug_doUnloadPlug(plugToRemove, status); -} - - - - -U_CAPI void U_EXPORT2 -uplug_setPlugNoUnload(UPlugData *data, UBool dontUnload) -{ - data->dontUnload = dontUnload; -} - - -U_CAPI void U_EXPORT2 -uplug_setPlugLevel(UPlugData *data, UPlugLevel level) { - data->level = level; -} - - -U_CAPI UPlugLevel U_EXPORT2 -uplug_getPlugLevel(UPlugData *data) { - return data->level; -} - - -U_CAPI void U_EXPORT2 -uplug_setPlugName(UPlugData *data, const char *name) { - uprv_strncpy(data->name, name, UPLUG_NAME_MAX); -} - - -U_CAPI const char * U_EXPORT2 -uplug_getPlugName(UPlugData *data) { - return data->name; -} - - -U_CAPI const char * U_EXPORT2 -uplug_getSymbolName(UPlugData *data) { - return data->sym; -} - -U_CAPI const char * U_EXPORT2 -uplug_getLibraryName(UPlugData *data, UErrorCode *status) { - if(data->libName[0]) { - return data->libName; - } else { -#if U_ENABLE_DYLOAD - return uplug_findLibrary(data->lib, status); -#else - return NULL; -#endif - } -} - -U_CAPI void * U_EXPORT2 -uplug_getLibrary(UPlugData *data) { - return data->lib; -} - -U_CAPI void * U_EXPORT2 -uplug_getContext(UPlugData *data) { - return data->context; -} - - -U_CAPI void U_EXPORT2 -uplug_setContext(UPlugData *data, void *context) { - data->context = context; -} - -U_CAPI const char* U_EXPORT2 -uplug_getConfiguration(UPlugData *data) { - return data->config; -} - -U_INTERNAL UPlugData* U_EXPORT2 -uplug_getPlugInternal(int32_t n) { - if(n <0 || n >= pluginCount) { - return NULL; - } else { - return &(pluginList[n]); - } -} - - -U_CAPI UErrorCode U_EXPORT2 -uplug_getPlugLoadStatus(UPlugData *plug) { - return plug->pluginStatus; -} - - - - -/** - * Initialize a plugin fron an entrypoint and library - but don't load it. - */ -static UPlugData* uplug_initPlugFromEntrypointAndLibrary(UPlugEntrypoint *entrypoint, const char *config, void *lib, const char *sym, - UErrorCode *status) { - UPlugData *plug = NULL; - - plug = uplug_allocatePlug(entrypoint, config, lib, sym, status); - - if(U_SUCCESS(*status)) { - return plug; - } else { - uplug_deallocatePlug(plug, status); - return NULL; - } -} - -U_CAPI UPlugData* U_EXPORT2 -uplug_loadPlugFromEntrypoint(UPlugEntrypoint *entrypoint, const char *config, UErrorCode *status) { - UPlugData* plug = uplug_initPlugFromEntrypointAndLibrary(entrypoint, config, NULL, NULL, status); - uplug_loadPlug(plug, status); - return plug; -} - -#if U_ENABLE_DYLOAD - -static UPlugData* -uplug_initErrorPlug(const char *libName, const char *sym, const char *config, const char *nameOrError, UErrorCode loadStatus, UErrorCode *status) -{ - UPlugData *plug = uplug_allocateEmptyPlug(status); - if(U_FAILURE(*status)) return NULL; - - plug->pluginStatus = loadStatus; - plug->awaitingLoad = FALSE; /* Won't load. */ - plug->dontUnload = TRUE; /* cannot unload. */ - - if(sym!=NULL) { - uprv_strncpy(plug->sym, sym, UPLUG_NAME_MAX); - } - - if(libName!=NULL) { - uprv_strncpy(plug->libName, libName, UPLUG_NAME_MAX); - } - - if(nameOrError!=NULL) { - uprv_strncpy(plug->name, nameOrError, UPLUG_NAME_MAX); - } - - if(config!=NULL) { - uprv_strncpy(plug->config, config, UPLUG_NAME_MAX); - } - - return plug; -} - -/** - * Fetch a plugin from DLL, and then initialize it from a library- but don't load it. - */ -static UPlugData* -uplug_initPlugFromLibrary(const char *libName, const char *sym, const char *config, UErrorCode *status) { - void *lib = NULL; - UPlugData *plug = NULL; - if(U_FAILURE(*status)) { return NULL; } - lib = uplug_openLibrary(libName, status); - if(lib!=NULL && U_SUCCESS(*status)) { - UPlugEntrypoint *entrypoint = NULL; - entrypoint = (UPlugEntrypoint*)uprv_dlsym_func(lib, sym, status); - - if(entrypoint!=NULL&&U_SUCCESS(*status)) { - plug = uplug_initPlugFromEntrypointAndLibrary(entrypoint, config, lib, sym, status); - if(plug!=NULL&&U_SUCCESS(*status)) { - plug->lib = lib; /* plug takes ownership of library */ - lib = NULL; /* library is now owned by plugin. */ - } - } else { - UErrorCode subStatus = U_ZERO_ERROR; - plug = uplug_initErrorPlug(libName,sym,config,"ERROR: Could not load entrypoint",(lib==NULL)?U_MISSING_RESOURCE_ERROR:*status,&subStatus); - } - if(lib!=NULL) { /* still need to close the lib */ - UErrorCode subStatus = U_ZERO_ERROR; - uplug_closeLibrary(lib, &subStatus); /* don't care here */ - } - } else { - UErrorCode subStatus = U_ZERO_ERROR; - plug = uplug_initErrorPlug(libName,sym,config,"ERROR: could not load library",(lib==NULL)?U_MISSING_RESOURCE_ERROR:*status,&subStatus); - } - return plug; -} - -U_CAPI UPlugData* U_EXPORT2 -uplug_loadPlugFromLibrary(const char *libName, const char *sym, const char *config, UErrorCode *status) { - UPlugData *plug = NULL; - if(U_FAILURE(*status)) { return NULL; } - plug = uplug_initPlugFromLibrary(libName, sym, config, status); - uplug_loadPlug(plug, status); - - return plug; -} - -#endif - -static UPlugLevel gCurrentLevel = UPLUG_LEVEL_LOW; - -U_CAPI UPlugLevel U_EXPORT2 uplug_getCurrentLevel() { - return gCurrentLevel; -} - -static UBool U_CALLCONV uplug_cleanup(void) -{ - int32_t i; - - UPlugData *pluginToRemove; - /* cleanup plugs */ - for(i=0;i<pluginCount;i++) { - UErrorCode subStatus = U_ZERO_ERROR; - pluginToRemove = &pluginList[i]; - /* unload and deallocate */ - uplug_doUnloadPlug(pluginToRemove, &subStatus); - } - /* close other held libs? */ - gCurrentLevel = UPLUG_LEVEL_LOW; - return TRUE; -} - -#if U_ENABLE_DYLOAD - -static void uplug_loadWaitingPlugs(UErrorCode *status) { - int32_t i; - UPlugLevel currentLevel = uplug_getCurrentLevel(); - - if(U_FAILURE(*status)) { - return; - } -#if UPLUG_TRACE - DBG((stderr, "uplug_loadWaitingPlugs() Level: %d\n", currentLevel)); -#endif - /* pass #1: low level plugs */ - for(i=0;i<pluginCount;i++) { - UErrorCode subStatus = U_ZERO_ERROR; - UPlugData *pluginToLoad = &pluginList[i]; - if(pluginToLoad->awaitingLoad) { - if(pluginToLoad->level == UPLUG_LEVEL_LOW) { - if(currentLevel > UPLUG_LEVEL_LOW) { - pluginToLoad->pluginStatus = U_PLUGIN_TOO_HIGH; - } else { - UPlugLevel newLevel; - uplug_loadPlug(pluginToLoad, &subStatus); - newLevel = uplug_getCurrentLevel(); - if(newLevel > currentLevel) { - pluginToLoad->pluginStatus = U_PLUGIN_CHANGED_LEVEL_WARNING; - currentLevel = newLevel; - } - } - pluginToLoad->awaitingLoad = FALSE; - } - } - } - for(i=0;i<pluginCount;i++) { - UErrorCode subStatus = U_ZERO_ERROR; - UPlugData *pluginToLoad = &pluginList[i]; - - if(pluginToLoad->awaitingLoad) { - if(pluginToLoad->level == UPLUG_LEVEL_INVALID) { - pluginToLoad->pluginStatus = U_PLUGIN_DIDNT_SET_LEVEL; - } else if(pluginToLoad->level == UPLUG_LEVEL_UNKNOWN) { - pluginToLoad->pluginStatus = U_INTERNAL_PROGRAM_ERROR; - } else { - uplug_loadPlug(pluginToLoad, &subStatus); - } - pluginToLoad->awaitingLoad = FALSE; - } - } - -#if UPLUG_TRACE - DBG((stderr, " Done Loading Plugs. Level: %d\n", (int32_t)uplug_getCurrentLevel())); -#endif -} - -/* Name of the plugin config file */ -static char plugin_file[2048] = ""; -#endif - -U_INTERNAL const char* U_EXPORT2 -uplug_getPluginFile() { -#if U_ENABLE_DYLOAD && !UCONFIG_NO_FILE_IO - return plugin_file; -#else - return NULL; -#endif -} - - -// uplug_init() is called first thing from u_init(). - -U_CAPI void U_EXPORT2 -uplug_init(UErrorCode *status) { -#if !U_ENABLE_DYLOAD - (void)status; /* unused */ -#elif !UCONFIG_NO_FILE_IO - CharString plugin_dir; - const char *env = getenv("ICU_PLUGINS"); - - if(U_FAILURE(*status)) return; - if(env != NULL) { - plugin_dir.append(env, -1, *status); - } - if(U_FAILURE(*status)) return; - -#if defined(DEFAULT_ICU_PLUGINS) - if(plugin_dir.isEmpty()) { - plugin_dir.append(DEFAULT_ICU_PLUGINS, -1, *status); - } -#endif - -#if UPLUG_TRACE - DBG((stderr, "ICU_PLUGINS=%s\n", plugin_dir.data())); -#endif - - if(!plugin_dir.isEmpty()) { - FILE *f; - - CharString pluginFile; -#ifdef OS390BATCH -/* There are potentially a lot of ways to implement a plugin directory on OS390/zOS */ -/* Keeping in mind that unauthorized file access is logged, monitored, and enforced */ -/* I've chosen to open a DDNAME if BATCH and leave it alone for (presumably) UNIX */ -/* System Services. Alternative techniques might be allocating a member in */ -/* SYS1.PARMLIB or setting an environment variable "ICU_PLUGIN_PATH" (?). The */ -/* DDNAME can be connected to a file in the HFS if need be. */ - - pluginFile.append("//DD:ICUPLUG", -1, *status); /* JAM 20 Oct 2011 */ -#else - pluginFile.append(plugin_dir, *status); - pluginFile.append(U_FILE_SEP_STRING, -1, *status); - pluginFile.append("icuplugins", -1, *status); - pluginFile.append(U_ICU_VERSION_SHORT, -1, *status); - pluginFile.append(".txt", -1, *status); -#endif - -#if UPLUG_TRACE - DBG((stderr, "status=%s\n", u_errorName(*status))); -#endif - - if(U_FAILURE(*status)) { - return; - } - if((size_t)pluginFile.length() > (sizeof(plugin_file)-1)) { - *status = U_BUFFER_OVERFLOW_ERROR; -#if UPLUG_TRACE - DBG((stderr, "status=%s\n", u_errorName(*status))); -#endif - return; - } - - /* plugin_file is not used for processing - it is only used - so that uplug_getPluginFile() works (i.e. icuinfo) - */ - uprv_strncpy(plugin_file, pluginFile.data(), sizeof(plugin_file)); - -#if UPLUG_TRACE - DBG((stderr, "pluginfile= %s len %d/%d\n", plugin_file, (int)strlen(plugin_file), (int)sizeof(plugin_file))); -#endif - -#ifdef __MVS__ - if (iscics()) /* 12 Nov 2011 JAM */ - { - f = NULL; - } - else -#endif - { - f = fopen(pluginFile.data(), "r"); - } - - if(f != NULL) { - char linebuf[1024]; - char *p, *libName=NULL, *symName=NULL, *config=NULL; - int32_t line = 0; - - - while(fgets(linebuf,1023,f)) { - line++; - - if(!*linebuf || *linebuf=='#') { - continue; - } else { - p = linebuf; - while(*p&&isspace((int)*p)) - p++; - if(!*p || *p=='#') continue; - libName = p; - while(*p&&!isspace((int)*p)) { - p++; - } - if(!*p || *p=='#') continue; /* no tab after libname */ - *p=0; /* end of libname */ - p++; - while(*p&&isspace((int)*p)) { - p++; - } - if(!*p||*p=='#') continue; /* no symname after libname +tab */ - symName = p; - while(*p&&!isspace((int)*p)) { - p++; - } - - if(*p) { /* has config */ - *p=0; - ++p; - while(*p&&isspace((int)*p)) { - p++; - } - if(*p) { - config = p; - } - } - - /* chop whitespace at the end of the config */ - if(config!=NULL&&*config!=0) { - p = config+strlen(config); - while(p>config&&isspace((int)*(--p))) { - *p=0; - } - } - - /* OK, we're good. */ - { - UErrorCode subStatus = U_ZERO_ERROR; - UPlugData *plug = uplug_initPlugFromLibrary(libName, symName, config, &subStatus); - if(U_FAILURE(subStatus) && U_SUCCESS(*status)) { - *status = subStatus; - } -#if UPLUG_TRACE - DBG((stderr, "PLUGIN libName=[%s], sym=[%s], config=[%s]\n", libName, symName, config)); - DBG((stderr, " -> %p, %s\n", (void*)plug, u_errorName(subStatus))); -#else - (void)plug; /* unused */ -#endif - } - } - } - fclose(f); - } else { -#if UPLUG_TRACE - DBG((stderr, "Can't open plugin file %s\n", plugin_file)); -#endif - } - } - uplug_loadWaitingPlugs(status); -#endif /* U_ENABLE_DYLOAD */ - gCurrentLevel = UPLUG_LEVEL_HIGH; - ucln_registerCleanup(UCLN_UPLUG, uplug_cleanup); -} - -#endif |