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| 26 | ** Alternatively, this file may be used under the terms of the GNU |
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| 39 | |
| 40 | #include "qcompressedhelpinfo.h" |
| 41 | |
| 42 | #include "qhelpdbreader_p.h" |
| 43 | |
| 44 | #include <QtCore/QThread> |
| 45 | #include <QtCore/QVersionNumber> |
| 46 | |
| 47 | QT_BEGIN_NAMESPACE |
| 48 | |
| 49 | class QCompressedHelpInfoPrivate : public QSharedData |
| 50 | { |
| 51 | public: |
| 52 | QCompressedHelpInfoPrivate() = default; |
| 53 | QCompressedHelpInfoPrivate(const QCompressedHelpInfoPrivate &other) |
| 54 | : QSharedData(other) |
| 55 | , m_namespaceName(other.m_namespaceName) |
| 56 | , m_component(other.m_component) |
| 57 | , m_version(other.m_version) |
| 58 | , m_isNull(other.m_isNull) |
| 59 | { } |
| 60 | ~QCompressedHelpInfoPrivate() = default; |
| 61 | |
| 62 | QString m_namespaceName; |
| 63 | QString m_component; |
| 64 | QVersionNumber m_version; |
| 65 | bool m_isNull = true; |
| 66 | }; |
| 67 | |
| 68 | /*! |
| 69 | \class QCompressedHelpInfo |
| 70 | \since 5.13 |
| 71 | \inmodule QtHelp |
| 72 | \brief The QCompressedHelpInfo class provides access to |
| 73 | the details about a compressed help file. |
| 74 | |
| 75 | The detailed information about the compressed |
| 76 | help file can be fetched by calling the fromCompressedHelpFile() |
| 77 | static method, providing the path to the compressed |
| 78 | help file. |
| 79 | |
| 80 | The class provides access to various information about a compressed help file. |
| 81 | The namespace associated with the given compressed help file is |
| 82 | namespaceName(), the associated component name is component() |
| 83 | and version() provides version information. |
| 84 | |
| 85 | \sa QHelpFilterEngine |
| 86 | */ |
| 87 | |
| 88 | /*! |
| 89 | Constructs empty information about a compressed help file. |
| 90 | */ |
| 91 | QCompressedHelpInfo::QCompressedHelpInfo() |
| 92 | : d(new QCompressedHelpInfoPrivate) |
| 93 | { |
| 94 | } |
| 95 | |
| 96 | /*! |
| 97 | Constructs a copy of \a other. |
| 98 | */ |
| 99 | QCompressedHelpInfo::QCompressedHelpInfo(const QCompressedHelpInfo &) = default; |
| 100 | |
| 101 | /*! |
| 102 | Move-constructs a QCompressedHelpInfo instance, |
| 103 | making it point to the same object that \a other was pointing to, |
| 104 | so that it contains the information the \a other used to contain. |
| 105 | */ |
| 106 | QCompressedHelpInfo::QCompressedHelpInfo(QCompressedHelpInfo &&) = default; |
| 107 | |
| 108 | /*! |
| 109 | Destroys the QCompressedHelpInfo. |
| 110 | */ |
| 111 | QCompressedHelpInfo::~QCompressedHelpInfo() = default; |
| 112 | |
| 113 | /*! |
| 114 | Makes this QHelpCollectionDetails into a copy of \a other, so the two |
| 115 | are identical, and returns a reference to this QHelpCollectionDetails. |
| 116 | */ |
| 117 | QCompressedHelpInfo &QCompressedHelpInfo::operator=(const QCompressedHelpInfo &) = default; |
| 118 | |
| 119 | /*! |
| 120 | Move-assigns \a other to this QCompressedHelpInfo instance. |
| 121 | */ |
| 122 | QCompressedHelpInfo &QCompressedHelpInfo::operator=(QCompressedHelpInfo &&) = default; |
| 123 | |
| 124 | /*! |
| 125 | \fn void QCompressedHelpInfo::swap(QCompressedHelpInfo &other) |
| 126 | |
| 127 | Swaps the compressed help file \a other with this compressed help file. This |
| 128 | operation is very fast and never fails. |
| 129 | */ |
| 130 | |
| 131 | /*! |
| 132 | Returns the namespace name of the compressed help file. |
| 133 | */ |
| 134 | QString QCompressedHelpInfo::namespaceName() const |
| 135 | { |
| 136 | return d->m_namespaceName; |
| 137 | } |
| 138 | |
| 139 | /*! |
| 140 | Returns the component of the compressed help file. |
| 141 | */ |
| 142 | QString QCompressedHelpInfo::component() const |
| 143 | { |
| 144 | return d->m_component; |
| 145 | } |
| 146 | |
| 147 | /*! |
| 148 | Returns the version of the compressed help file. |
| 149 | */ |
| 150 | QVersionNumber QCompressedHelpInfo::version() const |
| 151 | { |
| 152 | return d->m_version; |
| 153 | } |
| 154 | |
| 155 | /*! |
| 156 | Returns \c true if the info is invalid, otherwise returns |
| 157 | \c false. |
| 158 | */ |
| 159 | bool QCompressedHelpInfo::isNull() const |
| 160 | { |
| 161 | return d->m_isNull; |
| 162 | } |
| 163 | |
| 164 | /*! |
| 165 | Returns the QCompressedHelpInfo instance for the |
| 166 | \a documentationFileName of the existing qch file. |
| 167 | */ |
| 168 | QCompressedHelpInfo QCompressedHelpInfo::fromCompressedHelpFile(const QString &documentationFileName) |
| 169 | { |
| 170 | QHelpDBReader reader(documentationFileName, |
| 171 | QHelpGlobal::uniquifyConnectionName(name: QLatin1String("GetCompressedHelpInfo" ), |
| 172 | pointer: QThread::currentThread()), nullptr); |
| 173 | if (reader.init()) { |
| 174 | QCompressedHelpInfo info; |
| 175 | info.d->m_namespaceName = reader.namespaceName(); |
| 176 | info.d->m_component = reader.virtualFolder(); |
| 177 | info.d->m_version = QVersionNumber::fromString(string: reader.version()); |
| 178 | info.d->m_isNull = false; |
| 179 | return info; |
| 180 | } |
| 181 | return QCompressedHelpInfo(); |
| 182 | } |
| 183 | |
| 184 | QT_END_NAMESPACE |
| 185 | |