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uspoof_build.cpp

/*
 ***************************************************************************
 * Copyright (C) 2008-2009, International Business Machines Corporation
 * and others. All Rights Reserved.
 ***************************************************************************
 *   file name:  uspoof_build.cpp
 *   encoding:   US-ASCII
 *   tab size:   8 (not used)
 *   indentation:4
 *
 *   created on: 2008 Dec 8
 *   created by: Andy Heninger
 *
 *   Unicode Spoof Detection Data Builder
 *   Builder-related functions are kept in separate files so that applications not needing
 *   the builder can more easily exclude them, typically by means of static linking.
 *
 *   There are three relatively independent sets of Spoof data,
 *      Confusables,
 *      Whole Script Confusables
 *      ID character extensions.
 *
 *   The data tables for each are built separately, each from its own definitions
 */

#include "unicode/utypes.h"
#include "unicode/uspoof.h"
#include "unicode/unorm.h"
#include "unicode/uregex.h"
#include "unicode/ustring.h"
#include "cmemory.h"
#include "uspoof_impl.h"
#include "uhash.h"
#include "uvector.h"
#include "uassert.h"
#include "uarrsort.h"
#include "uspoof_buildconf.h"
#include "uspoof_buildwsconf.h"

#if !UCONFIG_NO_NORMALIZATION

U_NAMESPACE_USE


// The main data building function

U_CAPI USpoofChecker * U_EXPORT2
00048 uspoof_openFromSource(const char *confusables,  int32_t confusablesLen,
                      const char *confusablesWholeScript, int32_t confusablesWholeScriptLen,
                      int32_t *errorType, UParseError *pe, UErrorCode *status) {

    if (U_FAILURE(*status)) {
        return NULL;
    }
#if UCONFIG_NO_REGULAR_EXPRESSIONS 
    *status = U_UNSUPPORTED_ERROR;      
    return NULL;
#else
    if (errorType!=NULL) {
        *errorType = 0;
    }
    if (pe != NULL) {
        pe->line = 0;
        pe->offset = 0;
        pe->preContext[0] = 0;
        pe->postContext[0] = 0;
    }

    // Set up a shell of a spoof detector, with empty data.
    SpoofData *newSpoofData = new SpoofData(*status);
    SpoofImpl *This = new SpoofImpl(newSpoofData, *status);

    // Compile the binary data from the source (text) format.
    ConfusabledataBuilder::buildConfusableData(This, confusables, confusablesLen, errorType, pe, *status);
    buildWSConfusableData(This, confusablesWholeScript, confusablesWholeScriptLen, pe, *status);
    
    if (U_FAILURE(*status)) {
        delete This;
        This = NULL;
    }
    return (USpoofChecker *)This;
#endif // UCONFIG_NO_REGULAR_EXPRESSIONS 
}

#endif

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