Chris@35: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@35: /*
Chris@35:     Copyright (c) 2016-2018 Queen Mary, University of London
Chris@35: 
Chris@35:     Permission is hereby granted, free of charge, to any person
Chris@35:     obtaining a copy of this software and associated documentation
Chris@35:     files (the "Software"), to deal in the Software without
Chris@35:     restriction, including without limitation the rights to use, copy,
Chris@35:     modify, merge, publish, distribute, sublicense, and/or sell copies
Chris@35:     of the Software, and to permit persons to whom the Software is
Chris@35:     furnished to do so, subject to the following conditions:
Chris@35: 
Chris@35:     The above copyright notice and this permission notice shall be
Chris@35:     included in all copies or substantial portions of the Software.
Chris@35: 
Chris@35:     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
Chris@35:     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
Chris@35:     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Chris@35:     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
Chris@35:     CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
Chris@35:     CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
Chris@35:     WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Chris@35: 
Chris@35:     Except as contained in this notice, the names of the Centre for
Chris@35:     Digital Music and Queen Mary, University of London shall not be
Chris@35:     used in advertising or otherwise to promote the sale, use or other
Chris@35:     dealings in this Software without prior written authorization.
Chris@35: */
Chris@35: 
Chris@35: #include "knownplugincandidates.h"
Chris@35: 
Chris@35: #include <sstream>
Chris@35: 
Chris@35: using namespace std;
Chris@35: 
Chris@35: /** This returns true if the helper has a name ending in "-32". By our
Chris@35:  *  convention, this means that it is a 32-bit helper found on a
Chris@35:  *  64-bit system, so (depending on the OS) we may need to look in
Chris@35:  *  32-bit-specific paths. Note that is32bit() is *not* usually true
Chris@35:  *  on 32-bit systems; it's used specifically to indicate a
Chris@35:  *  "non-native" 32-bit helper.
Chris@35:  */
Chris@35: static
Chris@35: bool
Chris@35: is32bit(string helperExecutableName)
Chris@35: {
Chris@35:     return helperExecutableName.find("-32") != string::npos;
Chris@35: }
Chris@35: 
Chris@35: KnownPluginCandidates::KnownPluginCandidates(string helperExecutableName,
Chris@35:                                              PluginCandidates::LogCallback *cb) :
Chris@35:     m_known(is32bit(helperExecutableName) ?
Chris@35:             KnownPlugins::FormatNonNative32Bit :
Chris@35:             KnownPlugins::FormatNative),
Chris@35:     m_candidates(helperExecutableName),
Chris@35:     m_helperExecutableName(helperExecutableName)
Chris@35: {
Chris@35:     m_candidates.setLogCallback(cb);
Chris@35: 
Chris@35:     auto knownTypes = m_known.getKnownPluginTypes();
Chris@35:         
Chris@35:     for (auto type: knownTypes) {
Chris@35:         m_candidates.scan(m_known.getTagFor(type),
Chris@35:                           m_known.getPathFor(type),
Chris@35:                           m_known.getDescriptorFor(type));
Chris@35:     }
Chris@35: }
Chris@35: 
Chris@40: vector<PluginCandidates::FailureRec>
Chris@40: KnownPluginCandidates::getFailures() const
Chris@35: {
Chris@35:     vector<PluginCandidates::FailureRec> failures;
Chris@35: 
Chris@35:     for (auto t: getKnownPluginTypes()) {
Chris@35:         auto ff = m_candidates.getFailedLibrariesFor(m_known.getTagFor(t));
Chris@35:         failures.insert(failures.end(), ff.begin(), ff.end());
Chris@35:     }
Chris@35: 
Chris@40:     return failures;
Chris@40: }
Chris@40: 
Chris@40: string
Chris@40: KnownPluginCandidates::getFailureReport() const
Chris@40: {
Chris@40:     auto failures = getFailures();
Chris@35:     if (failures.empty()) return "";
Chris@35: 
Chris@35:     int n = int(failures.size());
Chris@35:     int i = 0;
Chris@35: 
Chris@35:     ostringstream os;
Chris@35:     
Chris@35:     os << "<ul>";
Chris@35:     for (auto f: failures) {
Chris@35:         os << "<li>" + f.library;
Chris@35:         if (f.message != "") {
Chris@35:             os << "<br><i>" + f.message + "</i>";
Chris@35:         } else {
Chris@35:             os << "<br><i>unknown error</i>";
Chris@35:         }
Chris@35:         os << "</li>";
Chris@35: 
Chris@35:         if (n > 10) {
Chris@35:             if (++i == 5) {
Chris@35:                 os << "<li>(... and " << (n - i) << " further failures)</li>";
Chris@35:                 break;
Chris@35:             }
Chris@35:         }
Chris@35:     }
Chris@35:     os << "</ul>";
Chris@35: 
Chris@35:     return os.str();
Chris@35: }