added dictionary helper class

1 files changed, 73 insertions, 0 deletions

diff --git a/src/dictionaries.cpp b/src/dictionaries.cpp
new file mode 100644
index 0000000..5ae6cc3
--- /dev/null
+++ b/src/dictionaries.cpp
@@ -0,0 +1,73 @@
+#include "dictionaries.h"
+#include <QDir>
+#include <QCoreApplication>
+#include <QLibraryInfo>
+#include <QString>
+#include <QStringList>
+#include "utils.h"
+
+static QString DICTIONARY_FILE_SUFFIX = ".bdic";
+
+Dictionaries::Dictionaries(QObject *parent) : QObject(parent)
+{
+     setParent(parent);
+}
+
+Dictionaries::~Dictionaries()
+{
+    this->deleteLater();
+}
+
+
+QString Dictionaries::GetDictionaryPath()
+{
+    QString dict_path;
+
+    // the environment variable takes precedence on all platforms
+    if (qEnvironmentVariableIsSet("QTWEBENGINE_DICTIONARIES_PATH")) {
+        dict_path = utils::GetEnvironmentVar("QTWEBENGINE_DICTIONARIES_PATH");
+        return dict_path;
+    }
+
+    // next look relative to the executable
+    dict_path = QCoreApplication::applicationDirPath() + "/qtwebengine_dictionaries";
+
+
+    if (QDir(dict_path).exists()) {
+        return dict_path;
+    }
+
+    //inside the installed Qt directories
+    dict_path = QLibraryInfo::location(QLibraryInfo::DataPath) + "/qtwebengine_dictionaries";
+
+
+    if (QDir(dict_path).exists()) {
+        return dict_path;
+    }
+
+    return QString();
+}
+
+
+QStringList Dictionaries::GetDictionaries()
+{
+    QStringList dictionaries;
+    QString dict_path = GetDictionaryPath();
+    if (dict_path.isEmpty()) {
+        return dictionaries;
+    }
+    QDir dictDir(dict_path);
+    if (dictDir.exists()) {
+        QStringList filters;
+        // Look for all *.bdic files.
+        filters << "*" + DICTIONARY_FILE_SUFFIX;
+        dictDir.setNameFilters(filters);
+        QStringList dictionary_files = dictDir.entryList();
+        foreach(QString file, dictionary_files) {
+            QFileInfo fileInfo(file);
+            QString dname = fileInfo.baseName();
+            dictionaries.append(dname);
+        }
+    }
+    return dictionaries;
+}