editors/sc-ide/widgets/sc_symbol_references.cpp

   1 /*
   2     SuperCollider Qt IDE
   3     Copyright (c) 2012 Jakob Leben & Tim Blechmann
   4     http://www.audiosynth.com
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  19 */
  20
  21 #include <QHeaderView>
  22
  23 #include "sc_symbol_references.hpp"
  24 #include "../core/main.hpp"
  25 #include "../core/sc_introspection.hpp"
  26
  27 #include "yaml-cpp/node.h"
  28 #include "yaml-cpp/parser.h"
  29
  30 using namespace ScIDE;
  31
  32 ReferencesDialog::ReferencesDialog(QWidget * parent):
  33     LookupDialog(parent)
  34 {
  35     setWindowTitle(tr("Look Up References"));
  36
  37     mQueryEdit->setText(tr("Enter symbol to find references"));
  38     mQueryEdit->selectAll();
  39 }
  40
  41 void ReferencesDialog::performQuery()
  42 {
  43     QString queryString = mQueryEdit->text();
  44
  45     if (queryString.isEmpty()) {
  46         mResult->setModel(NULL);
  47         return;
  48     }
  49
  50     SymbolReferenceRequest * request = new SymbolReferenceRequest(Main::scProcess(), this);
  51     connect(request, SIGNAL(response(QString,QString)), this, SLOT(onResposeFromLanguage(QString,QString)));
  52     connect(request, SIGNAL(requestCanceled()), this, SLOT(requestCanceled()));
  53     request->sendRequest(queryString);
  54 }
  55
  56 void ReferencesDialog::requestCanceled()
  57 {
  58     mResult->setModel(NULL);
  59 }
  60
  61 void ReferencesDialog::onResposeFromLanguage(const QString &, const QString &responseData)
  62 {
  63     QStandardItemModel * model = parse(responseData);
  64     mResult->setModel(model);
  65
  66     if (model)
  67         focusResults();
  68 }
  69
  70 QStandardItemModel * ReferencesDialog::parse(const QString &responseData)
  71 {
  72     using namespace ScLanguage;
  73     const Introspection & introspection = Main::scProcess()->introspection();
  74
  75     if (!introspection.introspectionAvailable()) {
  76         qWarning() << "Introspection not available"; // just required for short path name
  77         return NULL;
  78     }
  79
  80     std::stringstream stream;
  81     stream << responseData.toStdString();
  82     YAML::Parser parser(stream);
  83
  84     YAML::Node doc;
  85     if(!parser.GetNextDocument(doc)) {
  86         qWarning("no YAML document");
  87         return NULL;
  88     }
  89
  90     assert (doc.Type() == YAML::NodeType::Sequence);
  91
  92     QString symbol = doc[0].to<std::string>().c_str();
  93
  94     QStandardItemModel * model = new QStandardItemModel(this);
  95     QStandardItem *parentItem = model->invisibleRootItem();
  96
  97     YAML::Node const & references = doc[1];
  98
  99     for (YAML::Iterator refIt = references.begin(); refIt != references.end(); ++refIt ) {
 100         YAML::Node const & reference = *refIt;
 101         QString className  = reference[0].to<std::string>().c_str();
 102         QString methodName = reference[1].to<std::string>().c_str();
 103         QString path       = reference[2].to<std::string>().c_str();
 104         int charPos        = reference[3].to<int>();
 105
 106         QString displayPath = introspection.compactLibraryPath(path);
 107         QString fullName = ScLanguage::makeFullMethodName(className, methodName);
 108
 109         parentItem->appendRow(makeDialogItem(fullName, displayPath, path, charPos));
 110     }
 111
 112     return model;
 113 }