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39
40#include "qxmlname.h"
41
42#include "qfunctionsignature_p.h"
43
44QT_BEGIN_NAMESPACE
45
46using namespace QPatternist;
47
48FunctionSignature::FunctionSignature(const QXmlName nameP,
49 const Arity minArgs,
50 const Arity maxArgs,
51 const SequenceType::Ptr &returnTypeP,
52 const Expression::Properties props,
53 const Expression::ID idP) : CallTargetDescription(nameP)
54 , m_minArgs(minArgs)
55 , m_maxArgs(maxArgs)
56 , m_returnType(returnTypeP)
57 , m_arguments()
58 , m_props(props)
59 , m_id(idP)
60{
61 Q_ASSERT(minArgs <= maxArgs || maxArgs == FunctionSignature::UnlimitedArity);
62 Q_ASSERT(m_maxArgs >= -1);
63 Q_ASSERT(returnTypeP);
64}
65
66void FunctionSignature::appendArgument(const QXmlName::LocalNameCode nameP,
67 const SequenceType::Ptr &type)
68{
69 Q_ASSERT(type);
70
71 m_arguments.append(t: FunctionArgument::Ptr(new FunctionArgument(QXmlName(StandardNamespaces::empty, nameP), type)));
72}
73
74QString FunctionSignature::displayName(const NamePool::Ptr &np) const
75{
76 QString result;
77 result += np->displayName(qName: name());
78 result += QLatin1Char('(');
79
80 FunctionArgument::List::const_iterator it(m_arguments.constBegin());
81 const FunctionArgument::List::const_iterator end(m_arguments.constEnd());
82
83 if(it != end)
84 {
85 while(true)
86 {
87 result += QLatin1Char('$');
88 result += np->displayName(qName: (*it)->name());
89 result += QLatin1String(" as ");
90 result += (*it)->type()->displayName(np);
91
92 ++it;
93 if(it == end)
94 break;
95
96 result += QLatin1String(", ");
97 }
98 }
99
100 if(m_maxArgs == FunctionSignature::UnlimitedArity)
101 result += QLatin1String(", ...");
102
103 result += QLatin1String(") as ");
104 result += m_returnType->displayName(np);
105
106 return result;
107}
108
109bool FunctionSignature::operator==(const FunctionSignature &other) const
110{
111 return name() == other.name() &&
112 isArityValid(arity: other.maximumArguments()) &&
113 isArityValid(arity: other.minimumArguments());
114}
115
116void FunctionSignature::setArguments(const FunctionArgument::List &args)
117{
118 m_arguments = args;
119}
120
121FunctionArgument::List FunctionSignature::arguments() const
122{
123 return m_arguments;
124}
125
126bool FunctionSignature::isArityValid(const xsInteger arity) const
127{
128 return arity >= m_minArgs && arity <= m_maxArgs;
129}
130
131FunctionSignature::Arity FunctionSignature::minimumArguments() const
132{
133 return m_minArgs;
134}
135
136FunctionSignature::Arity FunctionSignature::maximumArguments() const
137{
138 return m_maxArgs;
139}
140
141SequenceType::Ptr FunctionSignature::returnType() const
142{
143 return m_returnType;
144}
145
146Expression::Properties FunctionSignature::properties() const
147{
148 return m_props;
149}
150
151Expression::ID FunctionSignature::id() const
152{
153 return m_id;
154}
155
156QT_END_NAMESPACE
157

source code of qtxmlpatterns/src/xmlpatterns/functions/qfunctionsignature.cpp