Added Xerces-C++ 3.1.2
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sippeangelo
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* $Id: ICUMsgLoader.cpp 883612 2009-11-24 07:24:53Z borisk $
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*/
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// ---------------------------------------------------------------------------
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// Includes
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// ---------------------------------------------------------------------------
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#include <xercesc/util/XercesDefs.hpp>
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#include <xercesc/util/PlatformUtils.hpp>
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#include <xercesc/util/XMLMsgLoader.hpp>
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#include <xercesc/util/XMLString.hpp>
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#include <xercesc/util/XMLUniDefs.hpp>
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#include <xercesc/util/Janitor.hpp>
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#include "ICUMsgLoader.hpp"
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#include "unicode/putil.h"
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#include "unicode/uloc.h"
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#include "unicode/udata.h"
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#include "string.h"
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#include <stdio.h>
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#include <stdlib.h>
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XERCES_CPP_NAMESPACE_BEGIN
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// ---------------------------------------------------------------------------
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// Local static methods
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// ---------------------------------------------------------------------------
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/*
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* Resource Data Reference.
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*
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* The data is packaged as a dll (or .so or whatever, depending on the platform) that exports a data symbol.
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* The application (this *.cpp) references that symbol here, and will pass the data address to ICU, which
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* will then be able to fetch resources from the data.
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*/
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#define ENTRY_POINT xercesc_messages_3_1_dat
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#define BUNDLE_NAME "xercesc_messages_3_1"
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extern "C" void U_IMPORT *ENTRY_POINT;
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/*
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* Tell ICU where our resource data is located in memory. The data lives in the xercesc_nessages dll, and we just
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* pass the address of an exported symbol from that library to ICU.
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*/
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static bool setAppDataOK = false;
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static void setAppData()
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{
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static bool setAppDataDone = false;
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if (setAppDataDone)
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{
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return;
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}
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else
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{
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setAppDataDone = true;
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UErrorCode err = U_ZERO_ERROR;
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udata_setAppData(BUNDLE_NAME, &ENTRY_POINT, &err);
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if (U_SUCCESS(err))
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{
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setAppDataOK = true;
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}
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}
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}
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// ---------------------------------------------------------------------------
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// Public Constructors and Destructor
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// ---------------------------------------------------------------------------
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ICUMsgLoader::ICUMsgLoader(const XMLCh* const msgDomain)
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:fLocaleBundle(0)
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,fDomainBundle(0)
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{
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/***
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Validate msgDomain
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***/
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if (!XMLString::equals(msgDomain, XMLUni::fgXMLErrDomain) &&
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!XMLString::equals(msgDomain, XMLUni::fgExceptDomain) &&
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!XMLString::equals(msgDomain, XMLUni::fgXMLDOMMsgDomain) &&
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!XMLString::equals(msgDomain, XMLUni::fgValidityDomain) )
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{
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XMLPlatformUtils::panic(PanicHandler::Panic_UnknownMsgDomain);
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}
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/***
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Resolve domainName
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***/
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int index = XMLString::lastIndexOf(msgDomain, chForwardSlash);
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char* domainName = XMLString::transcode(&(msgDomain[index + 1]), XMLPlatformUtils::fgMemoryManager);
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ArrayJanitor<char> jan1(domainName, XMLPlatformUtils::fgMemoryManager);
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/***
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Location resolution priority
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1. XMLMsgLoader::getNLSHome(), set by user through
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XMLPlatformUtils::Initialize(), which provides user-specified
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location where the message loader shall retrieve error messages.
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2. environment var: XERCESC_NLS_HOME
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3. path $XERCESCROOT/msg
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***/
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char locationBuf[1024];
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memset(locationBuf, 0, sizeof locationBuf);
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const char *nlsHome = XMLMsgLoader::getNLSHome();
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if (nlsHome)
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{
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strcpy(locationBuf, nlsHome);
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strcat(locationBuf, U_FILE_SEP_STRING);
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}
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else
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{
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nlsHome = getenv("XERCESC_NLS_HOME");
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if (nlsHome)
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{
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strcpy(locationBuf, nlsHome);
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strcat(locationBuf, U_FILE_SEP_STRING);
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}
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else
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{
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nlsHome = getenv("XERCESCROOT");
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if (nlsHome)
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{
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strcpy(locationBuf, nlsHome);
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strcat(locationBuf, U_FILE_SEP_STRING);
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strcat(locationBuf, "msg");
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strcat(locationBuf, U_FILE_SEP_STRING);
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}
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else
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{
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/***
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leave it to ICU to decide where to search
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for the error message.
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***/
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setAppData();
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}
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}
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}
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/***
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Open the locale-specific resource bundle
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***/
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strcat(locationBuf, BUNDLE_NAME);
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UErrorCode err = U_ZERO_ERROR;
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uloc_setDefault("root", &err); // in case user-specified locale unavailable
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err = U_ZERO_ERROR;
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fLocaleBundle = ures_open(locationBuf, XMLMsgLoader::getLocale(), &err);
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if (!U_SUCCESS(err) || fLocaleBundle == NULL)
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{
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/***
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in case user specified location does not work
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try the dll
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***/
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if (strcmp(locationBuf, BUNDLE_NAME) !=0 )
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{
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setAppData();
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err = U_ZERO_ERROR;
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fLocaleBundle = ures_open(BUNDLE_NAME, XMLMsgLoader::getLocale(), &err);
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if (!U_SUCCESS(err) || fLocaleBundle == NULL)
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{
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XMLPlatformUtils::panic(PanicHandler::Panic_CantLoadMsgDomain);
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}
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}
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else
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{
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XMLPlatformUtils::panic(PanicHandler::Panic_CantLoadMsgDomain);
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}
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}
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/***
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Open the domain specific resource bundle within
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the locale-specific resource bundle
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***/
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err = U_ZERO_ERROR;
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fDomainBundle = ures_getByKey(fLocaleBundle, domainName, NULL, &err);
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if (!U_SUCCESS(err) || fDomainBundle == NULL)
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{
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XMLPlatformUtils::panic(PanicHandler::Panic_CantLoadMsgDomain);
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}
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}
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ICUMsgLoader::~ICUMsgLoader()
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{
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ures_close(fDomainBundle);
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ures_close(fLocaleBundle);
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}
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// ---------------------------------------------------------------------------
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// Implementation of the virtual message loader API
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// ---------------------------------------------------------------------------
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bool ICUMsgLoader::loadMsg( const XMLMsgLoader::XMLMsgId msgToLoad
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, XMLCh* const toFill
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, const XMLSize_t maxChars)
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{
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UErrorCode err = U_ZERO_ERROR;
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int32_t strLen = 0;
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// Assuming array format
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const UChar *name = ures_getStringByIndex(fDomainBundle, (int32_t)msgToLoad-1, &strLen, &err);
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if (!U_SUCCESS(err) || (name == NULL))
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{
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return false;
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}
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int retStrLen = strLen > (int32_t)maxChars ? maxChars : strLen;
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if (sizeof(UChar)==sizeof(XMLCh))
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{
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XMLString::moveChars(toFill, (XMLCh*)name, retStrLen);
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toFill[retStrLen] = (XMLCh) 0;
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}
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else
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{
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XMLCh* retStr = toFill;
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const UChar *srcPtr = name;
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while (retStrLen--)
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*retStr++ = *srcPtr++;
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*retStr = 0;
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}
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return true;
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}
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bool ICUMsgLoader::loadMsg( const XMLMsgLoader::XMLMsgId msgToLoad
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, XMLCh* const toFill
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, const XMLSize_t maxChars
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, const XMLCh* const repText1
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, const XMLCh* const repText2
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, const XMLCh* const repText3
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, const XMLCh* const repText4
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, MemoryManager* const manager )
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{
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// Call the other version to load up the message
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if (!loadMsg(msgToLoad, toFill, maxChars))
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return false;
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// And do the token replacement
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XMLString::replaceTokens(toFill, maxChars, repText1, repText2, repText3, repText4, manager);
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return true;
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}
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bool ICUMsgLoader::loadMsg( const XMLMsgLoader::XMLMsgId msgToLoad
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, XMLCh* const toFill
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, const XMLSize_t maxChars
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, const char* const repText1
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, const char* const repText2
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, const char* const repText3
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, const char* const repText4
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, MemoryManager * const manager)
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{
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//
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// Transcode the provided parameters and call the other version,
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// which will do the replacement work.
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//
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XMLCh* tmp1 = 0;
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XMLCh* tmp2 = 0;
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XMLCh* tmp3 = 0;
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XMLCh* tmp4 = 0;
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bool bRet = false;
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if (repText1)
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tmp1 = XMLString::transcode(repText1, manager);
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if (repText2)
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tmp2 = XMLString::transcode(repText2, manager);
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if (repText3)
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tmp3 = XMLString::transcode(repText3, manager);
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if (repText4)
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tmp4 = XMLString::transcode(repText4, manager);
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bRet = loadMsg(msgToLoad, toFill, maxChars, tmp1, tmp2, tmp3, tmp4, manager);
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if (tmp1)
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manager->deallocate(tmp1);//delete [] tmp1;
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if (tmp2)
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manager->deallocate(tmp2);//delete [] tmp2;
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if (tmp3)
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manager->deallocate(tmp3);//delete [] tmp3;
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if (tmp4)
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manager->deallocate(tmp4);//delete [] tmp4;
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return bRet;
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}
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XERCES_CPP_NAMESPACE_END
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