Qt 4.8
qnamespacesupport.cpp
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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 
55 
56 using namespace QPatternist;
57 
59 {
60 }
61 
63  : m_namePool(&namePool)
64 {
65  // the XML namespace
67 }
68 
70 {
71  m_ns.insert(prefixCode, namespaceCode);
72 }
73 
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 
86 {
87  m_ns.insert(0, namespaceCode);
88 }
89 
91 {
93  while ((itc=it) != m_ns.constEnd()) {
94  ++it;
95  if (*itc == namespaceCode)
96  return itc.key();
97  }
98  return 0;
99 }
100 
102 {
103  return m_ns.value(prefixCode);
104 }
105 
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 
136 {
137  m_nsStack.push(m_ns);
138 }
139 
141 {
142  m_ns.clear();
143  if(!m_nsStack.isEmpty())
144  m_ns = m_nsStack.pop();
145 }
146 
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 
QString toString() const
Returns a copy of the string reference as a QString object.
Definition: qstring.cpp:8653
int type
Definition: qmetatype.cpp:239
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
NamespaceCode LocalNameCode
Definition: qxmlname.h:84
void clear()
Removes all items from the hash.
Definition: qhash.h:574
#define it(className, varName)
QStack< NamespaceHash > m_nsStack
int count(const T &t) const
Returns the number of occurrences of value in the vector.
Definition: qvector.h:742
Store names such as namespace bindings and QNames and allows them to be referenced in efficient ways...
Definition: qnamepool_p.h:87
qint16 NamespaceCode
Definition: qxmlname.h:82
QXmlName::NamespaceCode allocateNamespace(const QString &uri)
Definition: qnamepool_p.h:202
The QString class provides a Unicode character string.
Definition: qstring.h:83
bool contains(const Key &key) const
Returns true if the hash contains an item with the key; otherwise returns false.
Definition: qhash.h:872
The QChar class provides a 16-bit Unicode character.
Definition: qchar.h:72
const T value(const Key &key) const
Returns the value associated with the key.
Definition: qhash.h:606
iterator insert(const Key &key, const T &value)
Inserts a new item with the key and a value of value.
Definition: qhash.h:753
QXmlName::PrefixCode allocatePrefix(const QString &prefix)
Definition: qnamepool_p.h:214
void setPrefix(const QXmlName::PrefixCode prefixCode, const QXmlName::NamespaceCode namespaceCode)
QXmlName::LocalNameCode allocateLocalName(const QString &ln)
Definition: qnamepool_p.h:208
void append(const T &t)
Inserts value at the end of the list.
Definition: qlist.h:507
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
QString left(int n) const Q_REQUIRED_RESULT
Returns a substring that contains the n leftmost characters of the string.
Definition: qstring.cpp:3664
int size() const
Returns the number of characters in this string.
Definition: qstring.h:102
const char * name
The namespace for the internal API of QtXmlPatterns.
bool isEmpty() const
Returns true if the hash contains no items; otherwise returns false.
Definition: qhash.h:297
static QVector< Declaration > declarations(const QVector< StyleRule > &styleRules, const QString &part, quint64 pseudoClass=PseudoClass_Unspecified)
static const char * data(const QByteArray &arr)
QStringRef namespaceUri() const
Returns the namespaceUri.
Definition: qxmlstream.h:216
QStringRef prefix() const
Returns the prefix.
Definition: qxmlstream.h:215
void setTargetNamespace(const QXmlName::NamespaceCode code)
const T & at(int i) const
Returns the item at index position i in the vector.
Definition: qvector.h:350
The QXmlStreamNamespaceDeclaration class represents a namespace declaration.
Definition: qxmlstream.h:204
const_iterator constBegin() const
Returns a const STL-style iterator pointing to the first item in the hash.
Definition: qhash.h:466
QString mid(int position, int n=-1) const Q_REQUIRED_RESULT
Returns a string that contains n characters of this string, starting at the specified position index...
Definition: qstring.cpp:3706
const_iterator constEnd() const
Returns a const STL-style iterator pointing to the imaginary item after the last item in the hash...
Definition: qhash.h:469
The QXmlName class represents the name of an XML node, in an efficient, namespace-aware way...
Definition: qxmlname.h:58
QList< QXmlName > namespaceBindings() const
QXmlName::PrefixCode prefix(const QXmlName::NamespaceCode code) const
The QLatin1Char class provides an 8-bit ASCII/Latin-1 character.
Definition: qchar.h:55
bool processName(const QString &qualifiedName, NameType type, QXmlName &name) const
const QChar * constData() const
Returns a pointer to the data stored in the QString.
Definition: qstring.h:712
QXmlName::NamespaceCode uri(const QXmlName::PrefixCode code) const
void setPrefixes(const QXmlStreamNamespaceDeclarations &declarations)
NamespaceCode PrefixCode
Definition: qxmlname.h:83