tools/qlocale_unix.cpp

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41 -

42 #include "qlocale_p.h" -

43 -

44 #include "qstringbuilder.h" -

45 #include "qdatetime.h" -

46 #include "qstringlist.h" -

47 #include "qvariant.h" -

48 #include "qreadwritelock.h" -

49 -

50 #if defined(Q_OS_BLACKBERRY) -

51 #include <QtCore/private/qcore_unix_p.h> -

52 #include <QCoreApplication> -

53 -

54 #include <unistd.h> -

55 #include <errno.h> -

56 #include <sys/pps.h> -

57 #endif -

58 -

59 QT_BEGIN_NAMESPACE -

60 -

61 #if defined(Q_OS_BLACKBERRY) -

62 static const char ppsServicePath[] = "/pps/services/locale/uom"; -

63 static const size_t ppsBufferSize = 256; -

64 -

65 QQNXLocaleData::QQNXLocaleData() -

66 :ppsNotifier(0) -

67 ,ppsFd(-1) -

68 { -

69 initialize(); -

70 -

71 // we cannot call this directly, because by the time this constructor is -

72 // called, the event dispatcher has not yet been created, causing the -

73 // subsequent call to QSocketNotifier constructor to fail. -

74 QMetaObject::invokeMethod(this, "installSocketNotifier", Qt::QueuedConnection); -

75 } -

76 -

77 QQNXLocaleData::~QQNXLocaleData() -

78 { -

79 if (ppsFd != -1) -

80 qt_safe_close(ppsFd); -

81 } -

82 -

83 void QQNXLocaleData::updateMeasurementSystem() -

84 { -

85 char buffer[ppsBufferSize]; -

86 -

87 errno = 0; -

88 int bytes = qt_safe_read(ppsFd, buffer, ppsBufferSize - 1); -

89 if (bytes == -1) { -

90 qWarning("Failed to read Locale pps, errno=%d", errno); -

91 return; -

92 } -

93 // ensure data is null terminated -

94 buffer[bytes] = '\0'; -

95 -

96 pps_decoder_t ppsDecoder; -

97 pps_decoder_initialize(&ppsDecoder, 0); -

98 if (pps_decoder_parse_pps_str(&ppsDecoder, buffer) == PPS_DECODER_OK) { -

99 pps_decoder_push(&ppsDecoder, 0); -

100 const char *measurementBuff; -

101 if (pps_decoder_get_string(&ppsDecoder, "uom", &measurementBuff) == PPS_DECODER_OK) { -

102 if (qstrcmp(measurementBuff, "imperial") == 0) { -

103 pps_decoder_cleanup(&ppsDecoder); -

104 ppsMeasurement = QLocale::ImperialSystem; -

105 return; -

106 } -

107 } -

108 } -

109 -

110 pps_decoder_cleanup(&ppsDecoder); -

111 ppsMeasurement = QLocale::MetricSystem; -

112 } -

113 -

114 void QQNXLocaleData::initialize() -

115 { -

116 errno = 0; -

117 ppsFd = qt_safe_open(ppsServicePath, O_RDONLY); -

118 if (ppsFd == -1) { -

119 qWarning("Failed to open Locale pps, errno=%d", errno); -

120 return; -

121 } -

122 -

123 updateMeasurementSystem(); -

124 } -

125 -

126 void QQNXLocaleData::installSocketNotifier() -

127 { -

128 if (!QCoreApplication::instance() || ppsFd == -1) { -

129 qWarning("QQNXLocaleData: Failed to create socket notifier, locale updates may not work."); -

130 return; -

131 } -

132 -

133 if (ppsNotifier) { -

134 qWarning("QQNXLocaleData: socket notifier already created."); -

135 return; -

136 } -

137 -

138 ppsNotifier = new QSocketNotifier(ppsFd, QSocketNotifier::Read, this); -

139 QObject::connect(ppsNotifier, SIGNAL(activated(int)), this, SLOT(updateMeasurementSystem())); -

140 } -

141 #endif -

142 -

143 #ifndef QT_NO_SYSTEMLOCALE -

144 struct QSystemLocaleData -

145 { -

146 QSystemLocaleData() -

147 : lc_numeric(QLocale::C) -

148 ,lc_time(QLocale::C) -

149 ,lc_monetary(QLocale::C) -

150 ,lc_messages(QLocale::C) -

151 { -

152

readEnvironment();

executed (the execution status of this line is deduced): readEnvironment();

153

}

executed: }

Execution Count:45

154 -

155 void readEnvironment(); -

156 -

157 QReadWriteLock lock; -

158 -

159 QLocale lc_numeric; -

160 QLocale lc_time; -

161 QLocale lc_monetary; -

162 QLocale lc_messages; -

163 QByteArray lc_messages_var; -

164 QByteArray lc_measurement_var; -

165 QStringList uiLanguages; -

166 }; -

167 -

168 void QSystemLocaleData::readEnvironment() -

169 { -

170

QWriteLocker locker(&lock);

executed (the execution status of this line is deduced): QWriteLocker locker(&lock);

171 -

172

QByteArray all = qgetenv("LC_ALL");

executed (the execution status of this line is deduced): QByteArray all = qgetenv("LC_ALL");

173

QByteArray numeric = all.isEmpty() ? qgetenv("LC_NUMERIC") : all;