chromium/third_party/icu/source/common/rbbidata.cpp

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
***************************************************************************
*   Copyright (C) 1999-2014 International Business Machines Corporation   *
*   and others. All rights reserved.                                      *
***************************************************************************
*/

#include "unicode/utypes.h"

#if !UCONFIG_NO_BREAK_ITERATION

#include "unicode/ucptrie.h"
#include "unicode/utypes.h"
#include "rbbidata.h"
#include "rbbirb.h"
#include "udatamem.h"
#include "cmemory.h"
#include "cstring.h"
#include "umutex.h"

#include "uassert.h"


U_NAMESPACE_BEGIN

//-----------------------------------------------------------------------------
//
//    Constructors.
//
//-----------------------------------------------------------------------------
RBBIDataWrapper::RBBIDataWrapper(const RBBIDataHeader *data, UErrorCode &status) { … }

RBBIDataWrapper::RBBIDataWrapper(const RBBIDataHeader *data, enum EDontAdopt, UErrorCode &status) { … }

RBBIDataWrapper::RBBIDataWrapper(UDataMemory* udm, UErrorCode &status) { … }

UBool RBBIDataWrapper::isDataVersionAcceptable(const UVersionInfo version) { … }


//-----------------------------------------------------------------------------
//
//    init().   Does most of the work of construction, shared between the
//              constructors.
//
//-----------------------------------------------------------------------------
void RBBIDataWrapper::init0() { … }

void RBBIDataWrapper::init(const RBBIDataHeader *data, UErrorCode &status) { … }


//-----------------------------------------------------------------------------
//
//    Destructor.     Don't call this - use removeReference() instead.
//
//-----------------------------------------------------------------------------
RBBIDataWrapper::~RBBIDataWrapper() { … }



//-----------------------------------------------------------------------------
//
//   Operator ==    Consider two RBBIDataWrappers to be equal if they
//                  refer to the same underlying data.  Although
//                  the data wrappers are normally shared between
//                  iterator instances, it's possible to independently
//                  open the same data twice, and get two instances, which
//                  should still be ==.
//
//-----------------------------------------------------------------------------
bool RBBIDataWrapper::operator ==(const RBBIDataWrapper &other) const { … }

int32_t  RBBIDataWrapper::hashCode() { … }



//-----------------------------------------------------------------------------
//
//    Reference Counting.   A single RBBIDataWrapper object is shared among
//                          however many RulesBasedBreakIterator instances are
//                          referencing the same data.
//
//-----------------------------------------------------------------------------
void RBBIDataWrapper::removeReference() { … }


RBBIDataWrapper *RBBIDataWrapper::addReference() { … }



//-----------------------------------------------------------------------------
//
//  getRuleSourceString
//
//-----------------------------------------------------------------------------
const UnicodeString &RBBIDataWrapper::getRuleSourceString() const { … }


//-----------------------------------------------------------------------------
//
//  print   -  debugging function to dump the runtime data tables.
//
//-----------------------------------------------------------------------------
#ifdef RBBI_DEBUG
void  RBBIDataWrapper::printTable(const char *heading, const RBBIStateTable *table) {
    uint32_t   c;
    uint32_t   s;

    RBBIDebugPrintf("%s\n", heading);

    RBBIDebugPrintf("   fDictCategoriesStart: %d\n", table->fDictCategoriesStart);
    RBBIDebugPrintf("   fLookAheadResultsSize: %d\n", table->fLookAheadResultsSize);
    RBBIDebugPrintf("   Flags: %4x RBBI_LOOKAHEAD_HARD_BREAK=%s RBBI_BOF_REQUIRED=%s  RBBI_8BITS_ROWS=%s\n",
                    table->fFlags,
                    table->fFlags & RBBI_LOOKAHEAD_HARD_BREAK ? "T" : "F",
                    table->fFlags & RBBI_BOF_REQUIRED ? "T" : "F",
                    table->fFlags & RBBI_8BITS_ROWS ? "T" : "F");
    RBBIDebugPrintf("\nState |  Acc  LA TagIx");
    for (c=0; c<fHeader->fCatCount; c++) {RBBIDebugPrintf("%3d ", c);}
    RBBIDebugPrintf("\n------|---------------"); for (c=0;c<fHeader->fCatCount; c++) {
        RBBIDebugPrintf("----");
    }
    RBBIDebugPrintf("\n");

    if (table == nullptr) {
        RBBIDebugPrintf("         N U L L   T A B L E\n\n");
        return;
    }
    UBool use8Bits = table->fFlags & RBBI_8BITS_ROWS;
    for (s=0; s<table->fNumStates; s++) {
        RBBIStateTableRow *row = (RBBIStateTableRow *)
                                  (table->fTableData + (table->fRowLen * s));
        if (use8Bits) {
            RBBIDebugPrintf("%4d  |  %3d %3d %3d ", s, row->r8.fAccepting, row->r8.fLookAhead, row->r8.fTagsIdx);
            for (c=0; c<fHeader->fCatCount; c++)  {
                RBBIDebugPrintf("%3d ", row->r8.fNextState[c]);
            }
        } else {
            RBBIDebugPrintf("%4d  |  %3d %3d %3d ", s, row->r16.fAccepting, row->r16.fLookAhead, row->r16.fTagsIdx);
            for (c=0; c<fHeader->fCatCount; c++)  {
                RBBIDebugPrintf("%3d ", row->r16.fNextState[c]);
            }
        }
        RBBIDebugPrintf("\n");
    }
    RBBIDebugPrintf("\n");
}
#endif


void  RBBIDataWrapper::printData() { … }


U_NAMESPACE_END
U_NAMESPACE_USE

//-----------------------------------------------------------------------------
//
//  ubrk_swap   -  byte swap and char encoding swap of RBBI data
//
//-----------------------------------------------------------------------------

U_CAPI int32_t U_EXPORT2
ubrk_swap(const UDataSwapper *ds, const void *inData, int32_t length, void *outData,
           UErrorCode *status) { … }


#endif /* #if !UCONFIG_NO_BREAK_ITERATION */