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/*
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;
}
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