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     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

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    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    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

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    24 ** In addition, as a special exception, Nokia gives you certain additional

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include "qxmlname.h"

    43 

    44 #include "qfunctionsignature_p.h"

    45 

    46 QT_BEGIN_NAMESPACE

    47 

    48 using namespace QPatternist;

    49 

    50 FunctionSignature::FunctionSignature(const QXmlName nameP,

    51                                      const Arity minArgs,

    52                                      const Arity maxArgs,

    53                                      const SequenceType::Ptr &returnTypeP,

    54                                      const Expression::Properties props,

    55                                      const Expression::ID idP) : CallTargetDescription(nameP)

    56                                                                , m_minArgs(minArgs)

    57                                                                , m_maxArgs(maxArgs)

    58                                                                , m_returnType(returnTypeP)

    59                                                                , m_arguments()

    60                                                                , m_props(props)

    61                                                                , m_id(idP)

    62 {

    63     Q_ASSERT(minArgs <= maxArgs || maxArgs == FunctionSignature::UnlimitedArity);

    64     Q_ASSERT(m_maxArgs >= -1);

    65     Q_ASSERT(returnTypeP);

    66 }

    67 

    68 void FunctionSignature::appendArgument(const QXmlName::LocalNameCode nameP,

    69                                        const SequenceType::Ptr &type)

    70 {

    71     Q_ASSERT(type);

    72 

    73     m_arguments.append(FunctionArgument::Ptr(new FunctionArgument(QXmlName(StandardNamespaces::empty, nameP), type)));

    74 }

    75 

    76 QString FunctionSignature::displayName(const NamePool::Ptr &np) const

    77 {

    78     QString result;

    79     result += np->displayName(name());

    80     result += QLatin1Char('(');

    81 

    82     FunctionArgument::List::const_iterator it(m_arguments.constBegin());

    83     const FunctionArgument::List::const_iterator end(m_arguments.constEnd());

    84 

    85     if(it != end)

    86     {

    87         while(true)

    88         {

    89             result += QLatin1Char('$');

    90             result += np->displayName((*it)->name());

    91             result += QLatin1String(" as ");

    92             result += (*it)->type()->displayName(np);

    93 

    94             ++it;

    95             if(it == end)

    96                 break;

    97 

    98             result += QLatin1String(", ");

    99         }

   100     }

   101 

   102     if(m_maxArgs == FunctionSignature::UnlimitedArity)

   103         result += QLatin1String(", ...");

   104 

   105     result += QLatin1String(") as ");

   106     result += m_returnType->displayName(np);

   107 

   108     return result;

   109 }

   110 

   111 bool FunctionSignature::operator==(const FunctionSignature &other) const

   112 {

   113     return name() == other.name() &&

   114            isArityValid(other.maximumArguments()) &&

   115            isArityValid(other.minimumArguments());

   116 }

   117 

   118 void FunctionSignature::setArguments(const FunctionArgument::List &args)

   119 {

   120     m_arguments = args;

   121 }

   122 

   123 FunctionArgument::List FunctionSignature::arguments() const

   124 {

   125     return m_arguments;

   126 }

   127 

   128 bool FunctionSignature::isArityValid(const xsInteger arity) const

   129 {

   130     return arity >= m_minArgs && arity <= m_maxArgs;

   131 }

   132 

   133 FunctionSignature::Arity FunctionSignature::minimumArguments() const

   134 {

   135     return m_minArgs;

   136 }

   137 

   138 FunctionSignature::Arity FunctionSignature::maximumArguments() const

   139 {

   140     return m_maxArgs;

   141 }

   142 

   143 SequenceType::Ptr FunctionSignature::returnType() const

   144 {

   145     return m_returnType;

   146 }

   147 

   148 Expression::Properties FunctionSignature::properties() const

   149 {

   150     return m_props;

   151 }

   152 

   153 Expression::ID FunctionSignature::id() const

   154 {

   155     return m_id;

   156 }

   157 

   158 QT_END_NAMESPACE