src/xmlpatterns/functions/qfunctionfactorycollection.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
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    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
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    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
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    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "qbasictypesfactory_p.h"
       
    43 #include "qconstructorfunctionsfactory_p.h"
       
    44 #include "qfunctioncall_p.h"
       
    45 #include "qxpath10corefunctions_p.h"
       
    46 #include "qxpath20corefunctions_p.h"
       
    47 #include "qxslt20corefunctions_p.h"
       
    48 
       
    49 #include "qfunctionfactorycollection_p.h"
       
    50 
       
    51 QT_BEGIN_NAMESPACE
       
    52 
       
    53 using namespace QPatternist;
       
    54 
       
    55 Expression::Ptr FunctionFactoryCollection::createFunctionCall(const QXmlName name,
       
    56                                                               const Expression::List &arguments,
       
    57                                                               const StaticContext::Ptr &context,
       
    58                                                               const SourceLocationReflection *const r)
       
    59 {
       
    60     const_iterator it;
       
    61     const_iterator e(constEnd());
       
    62     Expression::Ptr function;
       
    63 
       
    64     for(it = constBegin(); it != e; ++it)
       
    65     {
       
    66         function = (*it)->createFunctionCall(name, arguments, context, r);
       
    67 
       
    68         if(function)
       
    69             break;
       
    70     }
       
    71 
       
    72     return function;
       
    73 }
       
    74 
       
    75 bool FunctionFactoryCollection::isAvailable(const NamePool::Ptr &np, const QXmlName name, const xsInteger arity)
       
    76 {
       
    77     const_iterator it;
       
    78     const_iterator e(constEnd());
       
    79 
       
    80     for(it = constBegin(); it != e; ++it)
       
    81         if((*it)->isAvailable(np, name, arity))
       
    82             return true;
       
    83 
       
    84     return false;
       
    85 }
       
    86 
       
    87 FunctionSignature::Hash FunctionFactoryCollection::functionSignatures() const
       
    88 {
       
    89     /* We simply grab the function signatures for each library, and
       
    90      * put them all in one list. */
       
    91 
       
    92     const const_iterator e(constEnd());
       
    93     FunctionSignature::Hash result;
       
    94 
       
    95     for(const_iterator it(constBegin()); it != e; ++it)
       
    96     {
       
    97         const FunctionSignature::Hash::const_iterator e2((*it)->functionSignatures().constEnd());
       
    98         FunctionSignature::Hash::const_iterator sit((*it)->functionSignatures().constBegin());
       
    99 
       
   100         for(; sit != e2; ++sit)
       
   101             result.insert(sit.key(), sit.value());
       
   102     }
       
   103 
       
   104     return result;
       
   105 }
       
   106 
       
   107 FunctionSignature::Ptr FunctionFactoryCollection::retrieveFunctionSignature(const NamePool::Ptr &, const QXmlName name)
       
   108 {
       
   109     return functionSignatures().value(name);
       
   110 }
       
   111 
       
   112 FunctionFactory::Ptr FunctionFactoryCollection::xpath10Factory()
       
   113 {
       
   114     /* We don't use a global static for caching this, because AbstractFunctionFactory
       
   115      * stores state specific to the NamePool, when being used. */
       
   116     return  FunctionFactory::Ptr(new XPath10CoreFunctions());
       
   117 }
       
   118 
       
   119 FunctionFactory::Ptr FunctionFactoryCollection::xpath20Factory(const NamePool::Ptr &np)
       
   120 {
       
   121     /* We don't use a global static for caching this, because AbstractFunctionFactory
       
   122      * stores state specific to the NamePool, when being used. */
       
   123     const FunctionFactoryCollection::Ptr fact(new FunctionFactoryCollection());
       
   124     fact->append(xpath10Factory());
       
   125     fact->append(FunctionFactory::Ptr(new XPath20CoreFunctions()));
       
   126     fact->append(FunctionFactory::Ptr(
       
   127                             new ConstructorFunctionsFactory(np, BasicTypesFactory::self(np))));
       
   128     return fact;
       
   129 }
       
   130 
       
   131 FunctionFactory::Ptr FunctionFactoryCollection::xslt20Factory(const NamePool::Ptr &np)
       
   132 {
       
   133     const FunctionFactory::Ptr retval(xpath20Factory(np));
       
   134     static_cast<FunctionFactoryCollection *>(retval.data())->append(FunctionFactory::Ptr(new XSLT20CoreFunctions()));
       
   135     return retval;
       
   136 }
       
   137 
       
   138 QT_END_NAMESPACE