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6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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41
42 //
43 // W A R N I N G
44 // -------------
45 //
46 // This file is not part of the Qt API. It exists purely as an
47 // implementation detail. This header file may change from version to
48 // version without notice, or even be removed.
49 //
50 // We mean it.
51
52 #include "qnamespacesupport_p.h"
53
54 QT_BEGIN_NAMESPACE
55
56 using namespace QPatternist;
57
NamespaceSupport()58 NamespaceSupport::NamespaceSupport()
59 {
60 }
61
NamespaceSupport(NamePool & namePool)62 NamespaceSupport::NamespaceSupport(NamePool &namePool)
63 : m_namePool(&namePool)
64 {
65 // the XML namespace
66 m_ns.insert(StandardPrefixes::xml, StandardNamespaces::xml);
67 }
68
setPrefix(const QXmlName::PrefixCode prefixCode,const QXmlName::NamespaceCode namespaceCode)69 void NamespaceSupport::setPrefix(const QXmlName::PrefixCode prefixCode, const QXmlName::NamespaceCode namespaceCode)
70 {
71 m_ns.insert(prefixCode, namespaceCode);
72 }
73
setPrefixes(const QXmlStreamNamespaceDeclarations & declarations)74 void NamespaceSupport::setPrefixes(const QXmlStreamNamespaceDeclarations &declarations)
75 {
76 for (int i = 0; i < declarations.count(); i++) {
77 const QXmlStreamNamespaceDeclaration declaration = declarations.at(i);
78
79 const QXmlName::PrefixCode prefixCode = m_namePool->allocatePrefix(declaration.prefix().toString());
80 const QXmlName::NamespaceCode namespaceCode = m_namePool->allocateNamespace(declaration.namespaceUri().toString());
81 m_ns.insert(prefixCode, namespaceCode);
82 }
83 }
84
setTargetNamespace(const QXmlName::NamespaceCode namespaceCode)85 void NamespaceSupport::setTargetNamespace(const QXmlName::NamespaceCode namespaceCode)
86 {
87 m_ns.insert(0, namespaceCode);
88 }
89
prefix(const QXmlName::NamespaceCode namespaceCode) const90 QXmlName::PrefixCode NamespaceSupport::prefix(const QXmlName::NamespaceCode namespaceCode) const
91 {
92 NamespaceHash::const_iterator itc, it = m_ns.constBegin();
93 while ((itc=it) != m_ns.constEnd()) {
94 ++it;
95 if (*itc == namespaceCode)
96 return itc.key();
97 }
98 return 0;
99 }
100
uri(const QXmlName::PrefixCode prefixCode) const101 QXmlName::NamespaceCode NamespaceSupport::uri(const QXmlName::PrefixCode prefixCode) const
102 {
103 return m_ns.value(prefixCode);
104 }
105
processName(const QString & qname,NameType type,QXmlName & name) const106 bool NamespaceSupport::processName(const QString& qname, NameType type, QXmlName &name) const
107 {
108 int len = qname.size();
109 const QChar *data = qname.constData();
110 for (int pos = 0; pos < len; ++pos) {
111 if (data[pos] == QLatin1Char(':')) {
112 const QXmlName::PrefixCode prefixCode = m_namePool->allocatePrefix(qname.left(pos));
113 if (!m_ns.contains(prefixCode))
114 return false;
115 const QXmlName::NamespaceCode namespaceCode = uri(prefixCode);
116 const QXmlName::LocalNameCode localNameCode = m_namePool->allocateLocalName(qname.mid(pos + 1));
117 name = QXmlName(namespaceCode, localNameCode, prefixCode);
118 return true;
119 }
120 }
121
122 // there was no ':'
123 QXmlName::NamespaceCode namespaceCode = 0;
124 // attributes don't take default namespace
125 if (type == ElementName && !m_ns.isEmpty()) {
126 namespaceCode = m_ns.value(0); // get default namespace
127 }
128
129 const QXmlName::LocalNameCode localNameCode = m_namePool->allocateLocalName(qname);
130 name = QXmlName(namespaceCode, localNameCode, 0);
131
132 return true;
133 }
134
pushContext()135 void NamespaceSupport::pushContext()
136 {
137 m_nsStack.push(m_ns);
138 }
139
popContext()140 void NamespaceSupport::popContext()
141 {
142 m_ns.clear();
143 if(!m_nsStack.isEmpty())
144 m_ns = m_nsStack.pop();
145 }
146
namespaceBindings() const147 QList<QXmlName> NamespaceSupport::namespaceBindings() const
148 {
149 QList<QXmlName> bindings;
150
151 QHashIterator<QXmlName::PrefixCode, QXmlName::NamespaceCode> it(m_ns);
152 while (it.hasNext()) {
153 it.next();
154 bindings.append(QXmlName(it.value(), StandardLocalNames::empty, it.key()));
155 }
156
157 return bindings;
158 }
159
160 QT_END_NAMESPACE
161