diff options
Diffstat (limited to 'src/corelib/mimetypes/qmimeglobpattern.cpp')
| -rw-r--r-- | src/corelib/mimetypes/qmimeglobpattern.cpp | 137 |
1 files changed, 52 insertions, 85 deletions
diff --git a/src/corelib/mimetypes/qmimeglobpattern.cpp b/src/corelib/mimetypes/qmimeglobpattern.cpp index d36c29a82d..d50787a0be 100644 --- a/src/corelib/mimetypes/qmimeglobpattern.cpp +++ b/src/corelib/mimetypes/qmimeglobpattern.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qmimeglobpattern_p.h" @@ -47,6 +11,8 @@ QT_BEGIN_NAMESPACE +using namespace Qt::StringLiterals; + /*! \internal \class QMimeGlobMatchResult @@ -56,7 +22,8 @@ QT_BEGIN_NAMESPACE Handles glob weights, and preferring longer matches over shorter matches. */ -void QMimeGlobMatchResult::addMatch(const QString &mimeType, int weight, const QString &pattern, int knownSuffixLength) +void QMimeGlobMatchResult::addMatch(const QString &mimeType, int weight, const QString &pattern, + qsizetype knownSuffixLength) { if (m_allMatchingMimeTypes.contains(mimeType)) return; @@ -68,9 +35,9 @@ void QMimeGlobMatchResult::addMatch(const QString &mimeType, int weight, const Q bool replace = weight > m_weight; if (!replace) { // Compare the length of the match - if (pattern.length() < m_matchingPatternLength) + if (pattern.size() < m_matchingPatternLength) return; // too short, ignore - else if (pattern.length() > m_matchingPatternLength) { + else if (pattern.size() > m_matchingPatternLength) { // longer: clear any previous match (like *.bz2, when pattern is *.tar.bz2) replace = true; } @@ -78,7 +45,7 @@ void QMimeGlobMatchResult::addMatch(const QString &mimeType, int weight, const Q if (replace) { m_matchingMimeTypes.clear(); // remember the new "longer" length - m_matchingPatternLength = pattern.length(); + m_matchingPatternLength = pattern.size(); m_weight = weight; } if (!m_matchingMimeTypes.contains(mimeType)) { @@ -91,23 +58,23 @@ void QMimeGlobMatchResult::addMatch(const QString &mimeType, int weight, const Q } } -QMimeGlobPattern::PatternType QMimeGlobPattern::detectPatternType(const QString &pattern) const +QMimeGlobPattern::PatternType QMimeGlobPattern::detectPatternType(QStringView pattern) const { - const int patternLength = pattern.length(); + const qsizetype patternLength = pattern.size(); if (!patternLength) return OtherPattern; - const int starCount = pattern.count(QLatin1Char('*')); - const bool hasSquareBracket = pattern.indexOf(QLatin1Char('[')) != -1; - const bool hasQuestionMark = pattern.indexOf(QLatin1Char('?')) != -1; + const qsizetype starCount = pattern.count(u'*'); + const bool hasSquareBracket = pattern.indexOf(u'[') != -1; + const bool hasQuestionMark = pattern.indexOf(u'?') != -1; if (!hasSquareBracket && !hasQuestionMark) { if (starCount == 1) { // Patterns like "*~", "*.extension" - if (pattern.at(0) == QLatin1Char('*')) + if (pattern.at(0) == u'*') return SuffixPattern; // Patterns like "README*" (well this is currently the only one like that...) - if (pattern.at(patternLength - 1) == QLatin1Char('*')) + if (pattern.at(patternLength - 1) == u'*') return PrefixPattern; } else if (starCount == 0) { // Names without any wildcards like "README" @@ -115,10 +82,10 @@ QMimeGlobPattern::PatternType QMimeGlobPattern::detectPatternType(const QString } } - if (pattern == QLatin1String("[0-9][0-9][0-9].vdr")) + if (pattern == "[0-9][0-9][0-9].vdr"_L1) return VdrPattern; - if (pattern == QLatin1String("*.anim[1-9j]")) + if (pattern == "*.anim[1-9j]"_L1) return AnimPattern; return OtherPattern; @@ -142,10 +109,10 @@ bool QMimeGlobPattern::matchFileName(const QString &inputFileName) const const QString fileName = m_caseSensitivity == Qt::CaseInsensitive ? inputFileName.toLower() : inputFileName; - const int patternLength = m_pattern.length(); + const qsizetype patternLength = m_pattern.size(); if (!patternLength) return false; - const int fileNameLength = fileName.length(); + const qsizetype fileNameLength = fileName.size(); switch (m_patternType) { case SuffixPattern: { @@ -175,14 +142,14 @@ bool QMimeGlobPattern::matchFileName(const QString &inputFileName) const case VdrPattern: // "[0-9][0-9][0-9].vdr" case return fileNameLength == 7 && fileName.at(0).isDigit() && fileName.at(1).isDigit() && fileName.at(2).isDigit() - && QStringView{fileName}.mid(3, 4) == QLatin1String(".vdr"); + && QStringView{fileName}.mid(3, 4) == ".vdr"_L1; case AnimPattern: { // "*.anim[1-9j]" case if (fileNameLength < 6) return false; const QChar lastChar = fileName.at(fileNameLength - 1); - const bool lastCharOK = (lastChar.isDigit() && lastChar != QLatin1Char('0')) - || lastChar == QLatin1Char('j'); - return lastCharOK && QStringView{fileName}.mid(fileNameLength - 6, 5) == QLatin1String(".anim"); + const bool lastCharOK = (lastChar.isDigit() && lastChar != u'0') + || lastChar == u'j'; + return lastCharOK && QStringView{fileName}.mid(fileNameLength - 6, 5) == ".anim"_L1; } case OtherPattern: // Other fallback patterns: slow but correct method @@ -196,26 +163,26 @@ bool QMimeGlobPattern::matchFileName(const QString &inputFileName) const return false; } -static bool isSimplePattern(const QString &pattern) +static bool isSimplePattern(QStringView pattern) { // starts with "*.", has no other '*' - return pattern.lastIndexOf(QLatin1Char('*')) == 0 - && pattern.length() > 1 - && pattern.at(1) == QLatin1Char('.') // (other dots are OK, like *.tar.bz2) + return pattern.lastIndexOf(u'*') == 0 + && pattern.size() > 1 + && pattern.at(1) == u'.' // (other dots are OK, like *.tar.bz2) // and contains no other special character - && !pattern.contains(QLatin1Char('?')) - && !pattern.contains(QLatin1Char('[')) + && !pattern.contains(u'?') + && !pattern.contains(u'[') ; } -static bool isFastPattern(const QString &pattern) +static bool isFastPattern(QStringView pattern) { // starts with "*.", has no other '*' and no other '.' - return pattern.lastIndexOf(QLatin1Char('*')) == 0 - && pattern.lastIndexOf(QLatin1Char('.')) == 1 + return pattern.lastIndexOf(u'*') == 0 + && pattern.lastIndexOf(u'.') == 1 // and contains no other special character - && !pattern.contains(QLatin1Char('?')) - && !pattern.contains(QLatin1Char('[')) + && !pattern.contains(u'?') + && !pattern.contains(u'[') ; } @@ -253,45 +220,45 @@ void QMimeAllGlobPatterns::removeMimeType(const QString &mimeType) m_lowWeightGlobs.removeMimeType(mimeType); } -void QMimeGlobPatternList::match(QMimeGlobMatchResult &result, - const QString &fileName) const +void QMimeGlobPatternList::match(QMimeGlobMatchResult &result, const QString &fileName, + const AddMatchFilterFunc &filterFunc) const { - - QMimeGlobPatternList::const_iterator it = this->constBegin(); - const QMimeGlobPatternList::const_iterator endIt = this->constEnd(); - for (; it != endIt; ++it) { - const QMimeGlobPattern &glob = *it; - if (glob.matchFileName(fileName)) { + for (const QMimeGlobPattern &glob : *this) { + if (glob.matchFileName(fileName) && filterFunc(glob.mimeType())) { const QString pattern = glob.pattern(); - const int suffixLen = isSimplePattern(pattern) ? pattern.length() - 2 : 0; + const qsizetype suffixLen = isSimplePattern(pattern) ? pattern.size() - strlen("*.") : 0; result.addMatch(glob.mimeType(), glob.weight(), pattern, suffixLen); } } } -void QMimeAllGlobPatterns::matchingGlobs(const QString &fileName, QMimeGlobMatchResult &result) const +void QMimeAllGlobPatterns::matchingGlobs(const QString &fileName, QMimeGlobMatchResult &result, + const AddMatchFilterFunc &filterFunc) const { // First try the high weight matches (>50), if any. - m_highWeightGlobs.match(result, fileName); + m_highWeightGlobs.match(result, fileName, filterFunc); // Now use the "fast patterns" dict, for simple *.foo patterns with weight 50 // (which is most of them, so this optimization is definitely worth it) - const int lastDot = fileName.lastIndexOf(QLatin1Char('.')); + const qsizetype lastDot = fileName.lastIndexOf(u'.'); if (lastDot != -1) { // if no '.', skip the extension lookup - const int ext_len = fileName.length() - lastDot - 1; + const qsizetype ext_len = fileName.size() - lastDot - 1; const QString simpleExtension = fileName.right(ext_len).toLower(); // (toLower because fast patterns are always case-insensitive and saved as lowercase) const QStringList matchingMimeTypes = m_fastPatterns.value(simpleExtension); - const QString simplePattern = QLatin1String("*.") + simpleExtension; - for (const QString &mime : matchingMimeTypes) - result.addMatch(mime, 50, simplePattern, simpleExtension.size()); + const QString simplePattern = "*."_L1 + simpleExtension; + for (const QString &mime : matchingMimeTypes) { + if (filterFunc(mime)) { + result.addMatch(mime, 50, simplePattern, simpleExtension.size()); + } + } // Can't return yet; *.tar.bz2 has to win over *.bz2, so we need the low-weight mimetypes anyway, // at least those with weight 50. } // Finally, try the low weight matches (<=50) - m_lowWeightGlobs.match(result, fileName); + m_lowWeightGlobs.match(result, fileName, filterFunc); } void QMimeAllGlobPatterns::clear() |