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/*
* SPDX-FileCopyrightText: 2019 Ismael Asensio <[email protected]>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "dolphinquery.h"
#include <QRegularExpression>
#include "config-dolphin.h"
#if HAVE_BALOO
#include <Baloo/Query>
#endif
namespace {
#if HAVE_BALOO
/** Checks if a given term in the Baloo::Query::searchString() is a special search term
* @return: the specific search token of the term, or an empty QString() if none is found
*/
QString searchTermToken(const QString& term)
{
static const QLatin1String searchTokens[] {
QLatin1String("filename:"),
QLatin1String("modified>="),
QLatin1String("rating>="),
QLatin1String("tag:"), QLatin1String("tag=")
};
for (const auto &searchToken : searchTokens) {
if (term.startsWith(searchToken)) {
return searchToken;
}
}
return QString();
}
QString stripQuotes(const QString& text)
{
if (text.length() >= 2 && text.at(0) == QLatin1Char('"')
&& text.back() == QLatin1Char('"')) {
return text.mid(1, text.size() - 2);
}
return text;
}
QStringList splitOutsideQuotes(const QString& text)
{
// Match groups on 3 possible conditions:
// - Groups with two leading quotes must close both on them (filename:""abc xyz" tuv")
// - Groups enclosed in quotes
// - Words separated by spaces
const QRegularExpression subTermsRegExp("(\\S*?\"\"[^\"]+\"[^\"]+\"+|\\S*?\"[^\"]+\"+|(?<=\\s|^)\\S+(?=\\s|$))");
auto subTermsMatchIterator = subTermsRegExp.globalMatch(text);
QStringList textParts;
while (subTermsMatchIterator.hasNext()) {
textParts << subTermsMatchIterator.next().captured(0);
}
return textParts;
}
#endif
QString trimChar(const QString& text, const QLatin1Char aChar)
{
const int start = text.startsWith(aChar) ? 1 : 0;
const int end = (text.length() > 1 && text.endsWith(aChar)) ? 1 : 0;
return text.mid(start, text.length() - start - end);
}
}
DolphinQuery DolphinQuery::fromSearchUrl(const QUrl& searchUrl)
{
DolphinQuery model;
model.m_searchUrl = searchUrl;
if (searchUrl.scheme() == QLatin1String("baloosearch")) {
model.parseBalooQuery();
} else if (searchUrl.scheme() == QLatin1String("tags")) {
// tags can contain # symbols or slashes within the Url
QString tag = trimChar(searchUrl.toString(QUrl::RemoveScheme), QLatin1Char('/'));
model.m_searchTerms << QStringLiteral("tag:%1").arg(tag);
}
return model;
}
bool DolphinQuery::supportsScheme(const QString& urlScheme)
{
static const QStringList supportedSchemes = {
QStringLiteral("baloosearch"),
QStringLiteral("tags"),
};
return supportedSchemes.contains(urlScheme);
}
void DolphinQuery::parseBalooQuery()
{
#if HAVE_BALOO
const Baloo::Query query = Baloo::Query::fromSearchUrl(m_searchUrl);
m_includeFolder = query.includeFolder();
const QStringList types = query.types();
m_fileType = types.isEmpty() ? QString() : types.first();
QStringList textParts;
QString fileName;
const QStringList subTerms = splitOutsideQuotes(query.searchString());
for (const QString& subTerm : subTerms) {
const QString token = searchTermToken(subTerm);
const QString value = stripQuotes(subTerm.mid(token.length()));
if (token == QLatin1String("filename:")) {
if (!value.isEmpty()) {
fileName = value;
m_hasFileName = true;
}
continue;
} else if (!token.isEmpty()) {
m_searchTerms << token + value;
continue;
} else if (subTerm == QLatin1String("AND") && subTerm != subTerms.at(0) && subTerm != subTerms.back()) {
continue;
} else if (!value.isEmpty()) {
textParts << value;
m_hasContentSearch = true;
}
}
if (m_hasFileName) {
if (m_hasContentSearch) {
textParts << QStringLiteral("filename:\"%1\"").arg(fileName);
} else {
textParts << fileName;
}
}
m_searchText = textParts.join(QLatin1Char(' '));
#endif
}
QUrl DolphinQuery::searchUrl() const
{
return m_searchUrl;
}
QString DolphinQuery::text() const
{
return m_searchText;
}
QString DolphinQuery::type() const
{
return m_fileType;
}
QStringList DolphinQuery::searchTerms() const
{
return m_searchTerms;
}
QString DolphinQuery::includeFolder() const
{
return m_includeFolder;
}
bool DolphinQuery::hasContentSearch() const
{
return m_hasContentSearch;
}
bool DolphinQuery::hasFileName() const
{
return m_hasFileName;
}
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