src/dictionaries.cpp


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#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;
}