File indexing completed on 2024-09-15 03:28:21

 /*
     This file is part of Kiten, a KDE Japanese Reference Tool
     SPDX-FileCopyrightText: 2006 Joseph Kerian <jkerian@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "radicalfile.h"
 #include "DictKanjidic/dictfilekanjidic.h"
 #include "kitenmacros.h"
 
 #include <QFile>
 #include <QRegularExpression>
 #include <QString>
 #include <QStringDecoder>
 #include <QTextStream>
 
 using namespace Qt::StringLiterals;
 
 RadicalFile::RadicalFile(QString &radkfile, const QString &kanjidic)
 {
     loadRadicalFile(radkfile);
     if (!kanjidic.isEmpty()) {
         loadKanjidic(kanjidic);
     }
 }
 
 QSet<Kanji> RadicalFile::kanjiContainingRadicals(QSet<QString> &radicallist) const
 {
     QSet<QString> kanjiStringSet;
     QSet<Kanji> result;
     if (m_radicals.count() < 1 || radicallist.count() < 1) {
         return result;
     }
 
     // Start out with our first set
     kanjiStringSet = m_radicals[*radicallist.begin()].getKanji();
     // Make a set intersection of these m_kanji
     for (const QString &rad : radicallist) {
         kanjiStringSet &= m_radicals[rad].getKanji();
     }
 
     // Convert our set of QString to a set of Kanji
     for (const QString &kanji : kanjiStringSet) {
         result += m_kanji[kanji];
     }
 
     return result;
 }
 
 bool RadicalFile::loadRadicalFile(QString &radkfile)
 {
     QFile f(radkfile);
     if (!f.open(QIODevice::ReadOnly)) {
         return false;
     }
 
     // Read our radical file through a eucJP codec (helpfully builtin to Qt)
     QStringDecoder decoder("EUC-JP");
     const QString decoded = decoder(f.readAll());
     QTextStream t(decoded.toUtf8());
 
     Radical *newestRadical = nullptr;
     QHash<QString, QSet<QString>> krad;
 
     while (!t.atEnd()) {
         QString line = t.readLine();
         if (line.length() == 0 || line.at(0) == '#'_L1) {
             // Skip comment characters
             continue;
         } else if (line.at(0) == '$'_L1) {
             // Start of a new radical
             if (newestRadical != nullptr) {
                 m_radicals.insert(newestRadical->toString(), *newestRadical);
             }
             delete newestRadical;
             QStringList lineElements = line.split(QRegularExpression(QStringLiteral("\\s+")));
             newestRadical = new Radical(lineElements.at(1), lineElements.at(2).toUInt(), m_radicals.size());
         } else if (newestRadical != nullptr) {
             // List of m_kanji, potentially
             const QList<QString> m_kanjiList = line.trimmed().split(QLatin1String(""), Qt::SkipEmptyParts);
             const QSet<QString> kanjiSet = QSet<QString>(m_kanjiList.begin(), m_kanjiList.end());
             newestRadical->addKanji(kanjiSet);
             for (const QString &kanji : m_kanjiList) {
                 krad[kanji] += newestRadical->toString();
             }
         }
     }
     if (newestRadical != nullptr) {
         m_radicals[newestRadical->toString()] = *newestRadical;
         delete newestRadical;
     }
 
     // Move contents of our krad QHash into our hash of m_kanji
     QHash<QString, QSet<QString>>::iterator it;
     for (it = krad.begin(); it != krad.end(); ++it) {
         m_kanji.insert(it.key(), Kanji(it.key(), it.value()));
     }
     f.close();
     return true;
 }
 
 // Mostly copied from KanjiBrowser::loadKanji()
 bool RadicalFile::loadKanjidic(const QString &kanjidic)
 {
     DictFileKanjidic dictFileKanjidic;
     dictFileKanjidic.loadSettings();
     dictFileKanjidic.loadDictionary(kanjidic, KANJIDIC);
 
     QRegularExpression strokeMatch(QStringLiteral("^S\\d+"));
     for (const QString &line : dictFileKanjidic.dumpDictionary()) {
         const QString kanji = line[0];
 
         QStringList strokesSection = line.split(" "_L1, Qt::SkipEmptyParts).filter(strokeMatch);
 
         unsigned int strokes = strokesSection.first().remove(0, 1).toInt();
 
         if (m_kanji.contains(kanji)) {
             m_kanji[kanji].setStrokes(strokes);
         }
     }
 
     return true;
 }
 
 QMultiMap<int, Radical> *RadicalFile::mapRadicalsByStrokes(int max_strokes) const
 {
     auto result = new QMultiMap<int, Radical>();
     for (const Radical &rad : m_radicals) {
         int strokes = rad.strokes();
         if ((max_strokes > 0) && (strokes > max_strokes)) {
             strokes = max_strokes;
         }
         result->insert(strokes, rad);
     }
     return result;
 }
 
 QSet<QString> RadicalFile::radicalsInKanji(QSet<Kanji> &kanjilist) const
 {
     QSet<QString> possibleRadicals;
     for (const QString &kanji : kanjilist) {
         possibleRadicals |= m_kanji[kanji].getRadicals();
     }
 
     return possibleRadicals;
 }