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# ICUBridgeCollationCompareFunctorImpl.hpp

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    00001 /*
    00002  * The Apache Software License, Version 1.1
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    00024  *    Alternately, this acknowledgment may appear in the software itself,
    00025  *    if and wherever such third-party acknowledgments normally appear.
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    00027  * 4. The names "Xalan" and "Apache Software Foundation" must
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    00048  * ====================================================================
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    00050  * This software consists of voluntary contributions made by many
    00051  * individuals on behalf of the Apache Software Foundation and was
    00052  * originally based on software copyright (c) 1999, International
    00053  * Business Machines, Inc., http://www.ibm.com.  For more
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    00057
    00058 #if !defined(ICUBRIDGE_COLLATIONCOMPAREFUNCTORIMPL_GUARD_1357924680)
    00059 #define ICUBRIDGE_COLLATIONCOMPAREFUNCTORIMPL_GUARD_1357924680
    00060
    00061
    00062
    00063 #include <xalanc/ICUBridge/ICUBridgeDefinitions.hpp>
    00064
    00065
    00066
    00067 #include <list>
    00068
    00069
    00070
    00071 #include <xalanc/XSLT/StylesheetExecutionContextDefault.hpp>
    00072
    00073
    00074
    00075 #include <unicode/coll.h>
    00076
    00077
    00078
    00079
    00080 XALAN_CPP_NAMESPACE_BEGIN
    00081
    00082
    00083
    00084 class XALAN_ICUBRIDGE_EXPORT ICUBridgeCollationCompareFunctorImpl : public StylesheetExecutionContextDefault::CollationCompareFunctor
    00085 {
    00086 public:
    00087
    00088     typedef StylesheetExecutionContextDefault::eCaseOrder   eCaseOrder;
    00089
    00090
    00096     ICUBridgeCollationCompareFunctorImpl(bool   fCacheCollators = false);
    00097
    00098     ~ICUBridgeCollationCompareFunctorImpl();
    00099
    00100     int
    00101 	operator()(
    00102             const XalanDOMChar*     theLHS,
    00103             const XalanDOMChar*     theRHS,
    00104             eCaseOrder              theCaseOrder = StylesheetExecutionContextDefault::eDefault) const;
    00105
    00106     int
    00107 	operator()(
    00108             const XalanDOMChar*     theLHS,
    00109             const XalanDOMChar*     theRHS,
    00110             const XalanDOMChar*     theLocale,
    00111             eCaseOrder              theCaseOrder = StylesheetExecutionContextDefault::eDefault) const;
    00112
    00113     bool
    00114     isValid() const
    00115     {
    00116         return m_isValid;
    00117     }
    00118
    00119 #if defined(XALAN_HAS_CPP_NAMESPACE)
    00120     typedef U_ICU_NAMESPACE::Collator   CollatorType;
    00121 #else
    00122     typedef Collator                    CollatorType;
    00123 #endif
    00124
    00125     struct CollationCacheStruct
    00126     {
    00127         CollationCacheStruct(
    00128                 const XalanDOMString&   theLocale,
    00129                 CollatorType*           theCollator) :
    00130             m_locale(theLocale),
    00131             m_collator(theCollator)
    00132         {
    00133         }
    00134
    00135         CollationCacheStruct() :
    00136             m_locale(),
    00137             m_collator(0)
    00138         {
    00139         }
    00140
    00141         void
    00142         swap(CollationCacheStruct&  theOther)
    00143         {
    00144             m_locale.swap(theOther.m_locale);
    00145
    00146             CollatorType* const     theTemp = m_collator;
    00147
    00148             m_collator = theOther.m_collator;
    00149
    00150             theOther.m_collator = theTemp;
    00151         }
    00152
    00153 #if defined(XALAN_NO_SELECTIVE_TEMPLATE_INSTANTIATION)
    00154         bool
    00155         operator<(const CollationCacheStruct&  theRHS) const
    00156         {
    00157             return this < &theRHS;
    00158         }
    00159
    00160         bool
    00161         operator==(const CollationCacheStruct&  theRHS) const
    00162         {
    00163             return this == &theRHS;
    00164         }
    00165 #endif
    00166
    00167         XalanDOMString  m_locale;
    00168
    00169         CollatorType*   m_collator;
    00170
    00171         struct CollatorDeleteFunctor
    00172         {
    00173             void
    00174             operator()(CollationCacheStruct&    theStruct) const
    00175             {
    00176                 delete theStruct.m_collator;
    00177             }
    00178         };
    00179
    00180         struct CollatorFindFunctor
    00181         {
    00182             CollatorFindFunctor(const XalanDOMChar* theLocale) :
    00183                 m_locale(theLocale)
    00184             {
    00185             }
    00186
    00187             bool
    00188             operator()(CollationCacheStruct&    theStruct) const
    00189             {
    00190                 return XalanDOMString::equals(theStruct.m_locale ,m_locale);
    00191             }
    00192
    00193             const XalanDOMChar* const   m_locale;
    00194         };
    00195     };
    00196
    00197 #if defined(XALAN_NO_STD_NAMESPACE)
    00198     typedef list<CollationCacheStruct>          CollatorCacheListType;
    00199 #else
    00200     typedef std::list<CollationCacheStruct>     CollatorCacheListType;
    00201 #endif
    00202
    00203     enum { eCacheMax = 10 };
    00204
    00205 private:
    00206
    00207     int
    00208     doDefaultCompare(
    00209             const XalanDOMChar*     theLHS,
    00210             const XalanDOMChar*     theRHS) const;
    00211
    00212     int
    00213     doCompare(
    00214             const XalanDOMChar*     theLHS,
    00215             const XalanDOMChar*     theRHS,
    00216             const XalanDOMChar*     theLocale,
    00217             eCaseOrder              theCaseOrder) const;
    00218
    00219     int
    00220     doCompareCached(
    00221             const XalanDOMChar*     theLHS,
    00222             const XalanDOMChar*     theRHS,
    00223             const XalanDOMChar*     theLocale,
    00224             eCaseOrder              theCaseOrder) const;
    00225
    00226     int
    00227     doCompare(
    00228             const CollatorType&     theCollator,
    00229             const XalanDOMChar*     theLHS,
    00230             const XalanDOMChar*     theRHS) const;
    00231
    00232     int
    00233     doCompare(
    00234             CollatorType&           theCollator,
    00235             const XalanDOMChar*     theLHS,
    00236             const XalanDOMChar*     theRHS,
    00237             eCaseOrder              theCaseOrder) const;
    00238
    00239     CollatorType*
    00240     getCachedCollator(const XalanDOMChar*   theLocale) const;
    00241
    00242     void
    00243     cacheCollator(
    00244             CollatorType*           theCollator,
    00245             const XalanDOMChar*     theLocale) const;
    00246
    00247
    00248     // Data members...
    00249     bool                            m_isValid;
    00250
    00251     CollatorType*                   m_defaultCollator;
    00252
    00253     XalanDOMString                  m_defaultCollatorLocaleName;
    00254
    00255     bool                            m_cacheCollators;
    00256
    00257     mutable CollatorCacheListType   m_collatorCache;
    00258
    00259     static const StylesheetExecutionContextDefault::DefaultCollationCompareFunctor  s_defaultFunctor;
    00260 };
    00261
    00262
    00263
    00264 XALAN_CPP_NAMESPACE_END
    00265
    00266
    00267
    00268 #endif  // ICUBRIDGE_COLLATIONCOMPAREFUNCTORIMPL_GUARD_1357924680

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