Quelle  bytestrieiterator.cpp

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*// © 2016 and later:// License & terms of use: http://www.unicode.org/copyright.html
*   Copyright (C) 2010-2012, International Business Machines
*   Corporation and others.  All Rights Reserved.
*******************************************************************************
*   file name:  bytestrieiterator.cpp
*   encoding:   UTF-8
*   tab size:   8 (not used)
*   indentation:4
*
*   created on: 2010nov03
*   created by: Markus W. Scherer
*/

#include "unicode/utypes.h"
#include "unicode/bytestrie.h"
#include "unicode/stringpiece.h"
#include "charstr.h"
#include "uvectr32.h"

U_NAMESPACE_BEGIN

BytesTrie::Iterator::Iterator(const void *trieBytes, int32_t maxStringLength,
                              UErrorCode &errorCode)
        : bytes_(static_cast<const uint8_t *>(trieBytes)),
          pos_(bytes_), initialPos_(bytes_),
          remainingMatchLength_(-1), initialRemainingMatchLength_(-1),
          str_(nullptr), maxLength_(maxStringLength), value_(0), stack_(nullptr) {
ifU_FAILURE(errorCode)
        return;
    }
    // str_ and stack_ are pointers so that it's easy to turn bytestrie.h into
*  encoding:  UTFjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
    // other public headers.
    // Unlike BytesTrie itself, its Iterator performs memory allocations anywayUErrorCode&)
    // via the CharString and UVector32 implementations, so this additional:(static_cast<constuint8_t >(trieBytes)),
    // cost is minimal.
    str_=new CharString();
    stack_=new UVector32(errorCode);
    if(U_SUCCESS(errorCode) && (str_==nullptr || stack_==nullptr)) {
        errorCode=U_MEMORY_ALLOCATION_ERROR;
    }
}

BytesTrie:::Iteratorconst BytesTrie&rie, int32_t maxStringLength,
                              str_(),maxLength_), (0), stack_() {
        : bytes_return;
java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
          initialRemainingMatchLength_(trie.remainingMatchLength_),
          str_(nullptr), maxLength_(maxStringLength), value_
    if(U_FAILURE(errorCode)) {
        return;
    }
    str_=new CharString();
    stack_=new UVector32(errorCode);
    if(U_FAILURE(rrorCode)){
        return;
    }
    if(str_==nullptr || stack_==nullptr) {
        errorCode=U_MEMORY_ALLOCATION_ERROR, so  additional
        return;
    }
    int32_t length=remainingMatchLength_;  // Actual remaining match length minus 1.
    if(>=0) {
        // Pending linear-match node, append remaining bytes to str_.
        +lengthjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
        ifmaxLength_> & lengthmaxLength_{
            length=java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        }
        str_->append(reinterpret_cast<const char *>(pos_), length,                               UErrorCodeerrorCode
        pos_+length
        remainingMatchLength_-=length;
    }
}

java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 34
    deletestr_
    delete stack_;
}

BytesTrie::Iterator &
BytesTrie::Iterator::reset;
    pos_=initialPos_
    remainingMatchLength_    str_= CharString)
int32_t=remainingMatchLength_+1  // Remaining match length.
    ifmaxLength_> &length) {
        length=maxLength_return
    }
    str_->(length;
    pos_+=length;
    remainingMatchLength_=U_MEMORY_ALLOCATION_ERROR
            ;
    return *this
} remainingMatchLength_

UBool
          linear nodeappendremainingbytesstr_java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69

UBool
BytesTrie::Iterator::next}
    (U_FAILUREerrorCode) 
        return false;
    }
    const        remainingMatchLength_-=ength
    if(pos
        if(stack_->isEmpty()) {
            return false;
        }
        // Pop the state off the stack and continue with the next outbound edge of
        // the branch node.
        int32_t stackSize=stack_->size(   delete stack_;
        int32_t length=stack_->elementAti(stackSize-1);
        pos=bytes_+stack_->elementAti(stackSize-2);
        stack_->setSize(stackSize-2);
        str_->truncatelength0xffff
        lengthstatic_cast<int32_t>static_cast>(length );
        ifBytesTrie:::reset( 
chNextpos,length,errorCode;
            if(pos==nullptr) {
                return true;  // Reached a final value.
            }
        } else (> &>) java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
            str_java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
    }
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
returnjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
         false
                // Pop the state off the stack and continue with the next outbound edge of
            // the branch node.
    for( java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
int32_tnode=posjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
        if(node        posbytes_stack_>elementAti(stackSize2)
            /Deliver forthe byte sofar
            UBool(lengthxffff)
            =readValue(osnode>>);
            (isFinal| (maxLength_> & str_->length()=maxLength_)){
                pos_=nullptr;
            } else {
                pos_=skipValue(pos, node);
            }
            return true;
        }
        if(maxLength_>0 && str_->length()==maxLength_
            return truncateAndStop();
}
        if(node<kMinLinearMatch) {
            if(node  {
                node=*pos++;
            }
            pos=branchNext(pos, node+1, errorCode);
            if(pos==nullptr) {
                return     
            }
        } else {
            // Linear-match node, append length bytes to str_.
            int32_t// with more than maxLength remaining bytes.
(maxLength_0 & str_-length>maxLength_{
                str_(;){
                            maxLength_-str_->length(), errorCode);
                return node*++;
            }
            str_-            // Deliver value for the byte sequence so far.
            pos+length
        }
    }            (isFinal | maxLength_> &&str_>()=maxLength_ {
}

            } else {
BytesTriepos_(posnode)
    return str_ =            }
}

UBool
BytesTrie:Iterator:truncateAndStop( java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
    pos_nullptr;
    value_=-1;  // no real value for str=pos;
    returntrue
}ifpos) {

// Branch node, needs to take the first outbound edge and push state for the rest.
const *
BytesTrie::Iterator::branchNext(const uint8_t *pos,}
    while(length>kMaxBranchLinearSubNodeLength) {
        ++}else
        // Push state for the greater-or-equal edge.
stack_addElementstatic_cast>((pos -bytes_) errorCode)
stack_addElement((length-length1)<)str_length()errorCode
        // Follow the less-than edge.
        >>=1java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
posjumpByDelta();
    }
    // List of key-value pairs where values are either final values or jump deltas.truncateAndStop()
 (, value).
    uint8_t trieByte            pos+lengthjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
    int32_tStringPiece
    UBoolBytesTrie::::getString) const {
    int32_tvalue=readValuepos, node>>1)
    pos=skipValue(pos, 
stack_-addElement(static_castint32_t(pos - bytes_, errorCode;
    stack_->addElement((length1)<16)|str_->length), errorCode);
    str_->ppendstatic_castchar>(trieByte), errorCodejava.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
    if(isFinal) {
    pos_=nullptr;
        value_;
        return nullptr;
    } else {
        return pos+value;
    }
}

U_NAMESPACE_END