43 #define QHELP_GLOBAL_H |
43 #define QHELP_GLOBAL_H |
44 |
44 |
45 #include <QtCore/qglobal.h> |
45 #include <QtCore/qglobal.h> |
46 #include <QtCore/QString> |
46 #include <QtCore/QString> |
47 #include <QtCore/QObject> |
47 #include <QtCore/QObject> |
48 #include <QtCore/QRegExp> |
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49 #include <QtCore/QMutexLocker> |
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50 #include <QtGui/QTextDocument> |
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51 |
48 |
52 QT_BEGIN_HEADER |
49 QT_BEGIN_HEADER |
53 |
50 |
54 QT_BEGIN_NAMESPACE |
51 QT_BEGIN_NAMESPACE |
55 |
52 |
63 # define QHELP_EXPORT Q_DECL_IMPORT |
60 # define QHELP_EXPORT Q_DECL_IMPORT |
64 #endif |
61 #endif |
65 |
62 |
66 class QHelpGlobal { |
63 class QHelpGlobal { |
67 public: |
64 public: |
68 static QString uniquifyConnectionName(const QString &name, void *pointer) |
65 static QString uniquifyConnectionName(const QString &name, void *pointer); |
69 { |
66 static QString documentTitle(const QString &content); |
70 static int counter = 0; |
67 static QString codecFromData(const QByteArray &data); |
71 static QMutex mutex; |
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72 |
68 |
73 QMutexLocker locker(&mutex); |
69 private: |
74 if (++counter > 1000) |
70 static QString codecFromHtmlData(const QByteArray &data); |
75 counter = 0; |
71 static QString codecFromXmlData(const QByteArray &data); |
76 |
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77 return QString::fromLatin1("%1-%2-%3") |
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78 .arg(name).arg(long(pointer)).arg(counter); |
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79 }; |
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80 |
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81 static QString documentTitle(const QString &content) |
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82 { |
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83 QString title = QObject::tr("Untitled"); |
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84 if (!content.isEmpty()) { |
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85 int start = content.indexOf(QLatin1String("<title>"), 0, Qt::CaseInsensitive) + 7; |
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86 int end = content.indexOf(QLatin1String("</title>"), 0, Qt::CaseInsensitive); |
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87 if ((end - start) > 0) { |
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88 title = content.mid(start, end - start); |
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89 if (Qt::mightBeRichText(title) || title.contains(QLatin1Char('&'))) { |
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90 QTextDocument doc; |
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91 doc.setHtml(title); |
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92 title = doc.toPlainText(); |
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93 } |
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94 } |
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95 } |
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96 return title; |
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97 }; |
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98 |
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99 static QString charsetFromData(const QByteArray &data) |
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100 { |
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101 QString content = QString::fromUtf8(data.constData(), data.size()); |
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102 int start = |
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103 content.indexOf(QLatin1String("<meta"), 0, Qt::CaseInsensitive); |
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104 if (start > 0) { |
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105 int end; |
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106 QRegExp r(QLatin1String("charset=([^\"\\s]+)")); |
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107 while (start != -1) { |
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108 end = content.indexOf(QLatin1Char('>'), start) + 1; |
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109 const QString &meta = content.mid(start, end - start).toLower(); |
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110 if (r.indexIn(meta) != -1) |
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111 return r.cap(1); |
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112 start = content.indexOf(QLatin1String("<meta"), end, |
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113 Qt::CaseInsensitive); |
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114 } |
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115 } |
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116 return QLatin1String("utf-8"); |
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117 } |
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118 }; |
72 }; |
119 |
73 |
120 QT_END_NAMESPACE |
74 QT_END_NAMESPACE |
121 |
75 |
122 QT_END_HEADER |
76 QT_END_HEADER |