File indexing completed on 2024-06-16 05:01:09

 /*
     bodypartformatterfactory.cpp
 
     This file is part of KMail, the KDE mail client.
     Copyright (c) 2004 Marc Mutz <mutz@kde.org>,
                        Ingo Kloecker <kloecker@kde.org>
 
     KMail is free software; you can redistribute it and/or modify it
     under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
     KMail is distributed in the hope that it will be useful, but
     WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
     In addition, as a special exception, the copyright holders give
     permission to link the code of this program with any edition of
     the Qt library by Trolltech AS, Norway (or with modified versions
     of Qt that use the same license as Qt), and distribute linked
     combinations including the two.  You must obey the GNU General
     Public License in all respects for all of the code used other than
     Qt.  If you modify this file, you may extend this exception to
     your version of the file, but you are not obligated to do so.  If
     you do not wish to do so, delete this exception statement from
     your version.
 */
 
 #include "bodypartformatterbasefactory.h"
 #include "bodypartformatterbasefactory_p.h"
 #include "bodypartformatter.h"
 #include "mimetreeparser_debug.h"
 
 #include <assert.h>
 
 using namespace MimeTreeParser;
 
 BodyPartFormatterBaseFactoryPrivate::BodyPartFormatterBaseFactoryPrivate(BodyPartFormatterBaseFactory *factory)
     : q(factory)
     , all(nullptr)
 {
 }
 
 BodyPartFormatterBaseFactoryPrivate::~BodyPartFormatterBaseFactoryPrivate()
 {
     if (all) {
         delete all;
         all = nullptr;
     }
 }
 
 void BodyPartFormatterBaseFactoryPrivate::setup()
 {
     if (!all) {
         all = new TypeRegistry();
         messageviewer_create_builtin_bodypart_formatters();
     }
 }
 
 void BodyPartFormatterBaseFactoryPrivate::insert(const char *type, const char *subtype, Interface::BodyPartFormatter *formatter)
 {
     if (!type || !*type || !subtype || !*subtype || !formatter || !all) {
         return;
     }
 
     TypeRegistry::iterator type_it = all->find(type);
     if (type_it == all->end()) {
         type_it = all->insert(std::make_pair(type, SubtypeRegistry())).first;
         assert(type_it != all->end());
     }
 
     SubtypeRegistry &subtype_reg = type_it->second;
 
     subtype_reg.insert(std::make_pair(subtype, formatter));
 }
 
 BodyPartFormatterBaseFactory::BodyPartFormatterBaseFactory()
     : d(new BodyPartFormatterBaseFactoryPrivate(this))
 {
 }
 
 BodyPartFormatterBaseFactory::~BodyPartFormatterBaseFactory()
 {
     delete d;
 }
 
 void BodyPartFormatterBaseFactory::insert(const char *type, const char *subtype, Interface::BodyPartFormatter *formatter)
 {
     d->insert(type, subtype, formatter);
 }
 
 const SubtypeRegistry &BodyPartFormatterBaseFactory::subtypeRegistry(const char *type) const
 {
     if (!type || !*type) {
         type = "*";    //krazy:exclude=doublequote_chars
     }
 
     d->setup();
     assert(d->all);
 
     static SubtypeRegistry emptyRegistry;
     if (d->all->empty()) {
         return emptyRegistry;
     }
 
     TypeRegistry::const_iterator type_it = d->all->find(type);
     if (type_it == d->all->end()) {
         type_it = d->all->find("*");
     }
     if (type_it == d->all->end()) {
         return emptyRegistry;
     }
 
     const SubtypeRegistry &subtype_reg = type_it->second;
     if (subtype_reg.empty()) {
         return emptyRegistry;
     }
     return subtype_reg;
 }
 
 SubtypeRegistry::const_iterator BodyPartFormatterBaseFactory::createForIterator(const char *type, const char *subtype) const
 {
     if (!type || !*type) {
         type = "*";    //krazy:exclude=doublequote_chars
     }
     if (!subtype || !*subtype) {
         subtype = "*";    //krazy:exclude=doublequote_chars
     }
 
     d->setup();
     assert(d->all);
 
     if (d->all->empty()) {
         return SubtypeRegistry::const_iterator();
     }
 
     TypeRegistry::const_iterator type_it = d->all->find(type);
     if (type_it == d->all->end()) {
         type_it = d->all->find("*");
     }
     if (type_it == d->all->end()) {
         return SubtypeRegistry::const_iterator();
     }
 
     const SubtypeRegistry &subtype_reg = type_it->second;
     if (subtype_reg.empty()) {
         return SubtypeRegistry::const_iterator();
     }
 
     SubtypeRegistry::const_iterator subtype_it = subtype_reg.find(subtype);
     qCWarning(MIMETREEPARSER_LOG) << type << subtype << subtype_reg.size();
     if (subtype_it == subtype_reg.end()) {
         subtype_it = subtype_reg.find("*");
     }
     if (subtype_it == subtype_reg.end()) {
         return SubtypeRegistry::const_iterator();
     }
 
     if (!(*subtype_it).second) {
         qCWarning(MIMETREEPARSER_LOG) << "BodyPartFormatterBaseFactory: a null bodypart formatter sneaked in for \""
                                       << type << "/" << subtype << "\"!";
     }
 
     return subtype_it;
 }