data/SpellDictionaryPaths.cpp
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| 1 | #include "SpellDictionaryPaths.h" | ||
| 2 | |||
| 3 | #include <QDir> | ||
| 4 | #include <QFile> | ||
| 5 | #include <QFileInfo> | ||
| 6 | #include <QRegularExpression> | ||
| 7 | |||
| 8 | namespace SpellDictionaryPaths { | ||
| 9 | |||
| 10 | namespace { | ||
| 11 | |||
| 12 | // "de_DE_frami", "en-US", "fr" -> "de_DE", "en_US", "fr"; "" for no language. | ||
| 13 | 11 | QString languageOf(const QString &baseName) { | |
| 14 |
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12 | static const QRegularExpression pattern(QStringLiteral("^([a-z]{2,3})(?:[_-]([A-Z]{2}))?(?:[_-].*)?$")); |
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11 | const QRegularExpressionMatch match = pattern.match(baseName); |
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11 | if (!match.hasMatch()) return {}; |
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10 | return match.captured(2).isEmpty() ? match.captured(1) : match.captured(1) + QLatin1Char('_') + match.captured(2); |
| 18 | 11 | } | |
| 19 | |||
| 20 | 13 | void collect(const QString &directory, QMap<QString, QString> &found) { | |
| 21 |
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13 | const QDir dir(directory); |
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50 | for (const QFileInfo &dic : dir.entryInfoList({QStringLiteral("*.dic")}, QDir::Files | QDir::Readable, QDir::Name)) { |
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11 | const QString language = languageOf(dic.completeBaseName()); |
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11 | if (language.isEmpty() || found.contains(language)) continue; |
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9 | if (!QFileInfo(dir.filePath(dic.completeBaseName() + QStringLiteral(".aff"))).isReadable()) continue; |
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8 | found.insert(language, dic.absoluteFilePath()); |
| 27 | 24 | } | |
| 28 | 39 | } | |
| 29 | |||
| 30 | } // namespace | ||
| 31 | |||
| 32 | 102 | QStringList bundledRoots() { | |
| 33 | 102 | QStringList candidates; | |
| 34 | // LibreOffice: the TDF packages in /opt/libreoffice<version>, distribution | ||
| 35 | // packages under /usr/lib*/libreoffice; each dictionary in dict-<lang>/. | ||
| 36 |
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306 | for (const QString &entry : QDir(QStringLiteral("/opt")).entryList({QStringLiteral("libreoffice*")}, QDir::Dirs, QDir::Name)) |
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102 | candidates << QStringLiteral("/opt/") + entry + QStringLiteral("/share/extensions"); |
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714 | for (const QString &lib : {QStringLiteral("/usr/lib"), QStringLiteral("/usr/lib64")}) { |
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204 | candidates << lib + QStringLiteral("/libreoffice/share/extensions"); |
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408 | candidates << lib + QStringLiteral("/firefox/dictionaries") << lib + QStringLiteral("/thunderbird/dictionaries"); |
| 41 | 306 | } | |
| 42 |
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204 | candidates << QStringLiteral("/opt/firefox/dictionaries") << QStringLiteral("/opt/thunderbird/dictionaries"); |
| 43 | 102 | QStringList roots; | |
| 44 |
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918 | for (const QString &candidate : candidates) |
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816 | if (QFileInfo(candidate).isDir()) roots << candidate; |
| 46 | 102 | return roots; | |
| 47 | 306 | } | |
| 48 | |||
| 49 | 107 | QMap<QString, QString> findDictionaries(const QStringList &roots) { | |
| 50 | 107 | QMap<QString, QString> found; | |
| 51 |
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113 | for (const QString &root : roots) { |
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6 | collect(root, found); |
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13 | for (const QString &sub : QDir(root).entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name)) |
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13 | collect(QDir(root).filePath(sub), found); |
| 55 | } | ||
| 56 | 107 | return found; | |
| 57 | ✗ | } | |
| 58 | |||
| 59 | 106 | QStringList expose(const QMap<QString, QString> &dictionaries, const QString &directory) { | |
| 60 |
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212 | QDir hunspell(QDir(directory).filePath(QStringLiteral("hunspell"))); |
| 61 | // The directory holds only these links: the ones of an earlier start go | ||
| 62 | // (a program removed since leaves none behind). | ||
| 63 |
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106 | if (hunspell.exists()) hunspell.removeRecursively(); |
| 64 | 106 | QStringList linked; | |
| 65 |
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106 | if (!dictionaries.isEmpty() && QDir().mkpath(hunspell.path())) { |
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7 | for (auto it = dictionaries.cbegin(); it != dictionaries.cend(); ++it) { |
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4 | const QFileInfo dic(it.value()); |
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8 | const QString aff = dic.dir().filePath(dic.completeBaseName() + QStringLiteral(".aff")); |
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16 | if (QFile::link(dic.absoluteFilePath(), hunspell.filePath(it.key() + QStringLiteral(".dic"))) && |
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8 | QFile::link(aff, hunspell.filePath(it.key() + QStringLiteral(".aff")))) |
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4 | linked << it.key(); |
| 72 | 4 | } | |
| 73 | } | ||
| 74 | 106 | const QString defaults = QStringLiteral("/usr/local/share:/usr/share"); | |
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106 | QString dirs = qEnvironmentVariable("XDG_DATA_DIRS"); |
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106 | if (dirs.isEmpty()) dirs = defaults; |
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106 | const QString own = QDir(directory).absolutePath(); |
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109 | if (!linked.isEmpty() && !dirs.split(QLatin1Char(':')).contains(own)) |
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2 | qputenv("XDG_DATA_DIRS", (dirs + QLatin1Char(':') + own).toLocal8Bit()); |
| 80 | 106 | return linked; | |
| 81 | 106 | } | |
| 82 | |||
| 83 | } // namespace SpellDictionaryPaths | ||
| 84 |