mirror of
https://github.com/juce-framework/JUCE.git
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134 lines
4.7 KiB
C++
134 lines
4.7 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#include "../../core/juce_StandardHeader.h"
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BEGIN_JUCE_NAMESPACE
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#include "juce_PluginDirectoryScanner.h"
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#include "juce_AudioPluginFormat.h"
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#include "../../io/files/juce_DirectoryIterator.h"
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//==============================================================================
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PluginDirectoryScanner::PluginDirectoryScanner (KnownPluginList& listToAddTo,
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AudioPluginFormat& formatToLookFor,
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FileSearchPath directoriesToSearch,
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const bool recursive,
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const File& deadMansPedalFile_)
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: list (listToAddTo),
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format (formatToLookFor),
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deadMansPedalFile (deadMansPedalFile_),
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nextIndex (0),
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progress (0)
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{
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directoriesToSearch.removeRedundantPaths();
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filesOrIdentifiersToScan = format.searchPathsForPlugins (directoriesToSearch, recursive);
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// If any plugins have crashed recently when being loaded, move them to the
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// end of the list to give the others a chance to load correctly..
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const StringArray crashedPlugins (getDeadMansPedalFile());
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for (int i = 0; i < crashedPlugins.size(); ++i)
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{
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const String f = crashedPlugins[i];
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for (int j = filesOrIdentifiersToScan.size(); --j >= 0;)
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if (f == filesOrIdentifiersToScan[j])
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filesOrIdentifiersToScan.move (j, -1);
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}
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}
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PluginDirectoryScanner::~PluginDirectoryScanner()
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{
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}
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//==============================================================================
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const String PluginDirectoryScanner::getNextPluginFileThatWillBeScanned() const
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{
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return format.getNameOfPluginFromIdentifier (filesOrIdentifiersToScan [nextIndex]);
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}
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bool PluginDirectoryScanner::scanNextFile (const bool dontRescanIfAlreadyInList)
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{
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String file (filesOrIdentifiersToScan [nextIndex]);
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if (file.isNotEmpty() && ! list.isListingUpToDate (file))
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{
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OwnedArray <PluginDescription> typesFound;
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// Add this plugin to the end of the dead-man's pedal list in case it crashes...
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StringArray crashedPlugins (getDeadMansPedalFile());
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crashedPlugins.removeString (file);
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crashedPlugins.add (file);
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setDeadMansPedalFile (crashedPlugins);
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list.scanAndAddFile (file,
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dontRescanIfAlreadyInList,
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typesFound,
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format);
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// Managed to load without crashing, so remove it from the dead-man's-pedal..
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crashedPlugins.removeString (file);
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setDeadMansPedalFile (crashedPlugins);
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if (typesFound.size() == 0)
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failedFiles.add (file);
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}
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return skipNextFile();
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}
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bool PluginDirectoryScanner::skipNextFile()
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{
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if (nextIndex >= filesOrIdentifiersToScan.size())
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return false;
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progress = ++nextIndex / (float) filesOrIdentifiersToScan.size();
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return nextIndex < filesOrIdentifiersToScan.size();
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}
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StringArray PluginDirectoryScanner::getDeadMansPedalFile()
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{
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StringArray lines;
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if (deadMansPedalFile != File::nonexistent)
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{
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lines.addLines (deadMansPedalFile.loadFileAsString());
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lines.removeEmptyStrings();
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}
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return lines;
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}
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void PluginDirectoryScanner::setDeadMansPedalFile (const StringArray& newContents)
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{
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if (deadMansPedalFile != File::nonexistent)
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deadMansPedalFile.replaceWithText (newContents.joinIntoString ("\n"), true, true);
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}
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END_JUCE_NAMESPACE
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