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111 lines
2.8 KiB
C++
111 lines
2.8 KiB
C++
/*
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******************************************************************************
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* Copyright (C) 1997-2012, International Business Machines
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* Corporation and others. All Rights Reserved.
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******************************************************************************
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* file name: nfrlist.h
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* Modification history
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* Date Name Comments
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* 10/11/2001 Doug Ported from ICU4J
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*/
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#ifndef NFRLIST_H
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#define NFRLIST_H
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#include "unicode/rbnf.h"
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#if U_HAVE_RBNF
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#include "unicode/uobject.h"
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#include "nfrule.h"
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#include "cmemory.h"
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U_NAMESPACE_BEGIN
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// unsafe class for internal use only. assume memory allocations succeed, indexes are valid.
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// should be a template, but we can't use them
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class NFRuleList : public UMemory {
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protected:
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NFRule** fStuff;
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uint32_t fCount;
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uint32_t fCapacity;
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public:
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NFRuleList(uint32_t capacity = 10)
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: fStuff(capacity ? (NFRule**)uprv_malloc(capacity * sizeof(NFRule*)) : NULL)
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, fCount(0)
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, fCapacity(capacity) {}
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~NFRuleList() {
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if (fStuff) {
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for(uint32_t i = 0; i < fCount; ++i) {
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delete fStuff[i];
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}
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uprv_free(fStuff);
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}
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}
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NFRule* operator[](uint32_t index) const { return fStuff != NULL ? fStuff[index] : NULL; }
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NFRule* remove(uint32_t index) {
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if (fStuff == NULL) {
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return NULL;
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}
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NFRule* result = fStuff[index];
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fCount -= 1;
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for (uint32_t i = index; i < fCount; ++i) { // assumes small arrays
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fStuff[i] = fStuff[i+1];
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}
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return result;
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}
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void add(NFRule* thing) {
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if (fCount == fCapacity) {
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fCapacity += 10;
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fStuff = (NFRule**)uprv_realloc(fStuff, fCapacity * sizeof(NFRule*)); // assume success
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}
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if (fStuff != NULL) {
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fStuff[fCount++] = thing;
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} else {
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fCapacity = 0;
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fCount = 0;
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}
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}
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uint32_t size() const { return fCount; }
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NFRule* last() const { return (fCount > 0 && fStuff != NULL) ? fStuff[fCount-1] : NULL; }
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NFRule** release() {
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add(NULL); // ensure null termination
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NFRule** result = fStuff;
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fStuff = NULL;
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fCount = 0;
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fCapacity = 0;
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return result;
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}
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void deleteAll() {
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NFRule** tmp = NULL;
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int32_t size = fCount;
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if (size > 0) {
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tmp = release();
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for (int32_t i = 0; i < size; i++) {
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delete tmp[i];
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}
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if (tmp) {
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uprv_free(tmp);
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}
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}
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}
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private:
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NFRuleList(const NFRuleList &other); // forbid copying of this class
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NFRuleList &operator=(const NFRuleList &other); // forbid copying of this class
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};
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U_NAMESPACE_END
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/* U_HAVE_RBNF */
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#endif
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// NFRLIST_H
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#endif
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