cb2Bib: src/c2bNetworkQueryInfo.cpp

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Member "cb2bib-2.0.1/src/c2bNetworkQueryInfo.cpp" (12 Feb 2021, 6601 Bytes) of package /linux/privat/cb2bib-2.0.1.tar.gz:

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1 /*************************************************************************** 2 * Copyright (C) 2004-2021 by Pere Constans 3 * constans@molspaces.com 4 * cb2Bib version 2.0.1. Licensed under the GNU GPL version 3. 5 * See the LICENSE file that comes with this distribution. 6 ***************************************************************************/ 7 #include "c2bNetworkQueryInfo.h" 8 9 #include "c2b.h" 10 #include "c2bBibParser.h" 11 #include "c2bFileSystemWatcher.h" 12 #include "c2bSettings.h" 13 #include "c2bUtils.h" 14 15 #include <QAction> 16 #include <QTextStream> 17 #include <QUrl> 18 19 20 c2bNetworkQueryInfo::c2bNetworkQueryInfo(QObject* parento) : QObject(parento) 21 { 22 _bpP = c2b::instance()->bibParser(); 23 connect(c2bSettingsP, SIGNAL(newSettings()), this, SLOT(loadSettings())); 24 _fsw = new c2bFileSystemWatcher(this); 25 connect(_fsw, SIGNAL(fileChanged(QString)), this, SLOT(parseBookmarks())); 26 loadSettings(); 27 } 28 29 c2bNetworkQueryInfo::~c2bNetworkQueryInfo() {} 30 31 32 void c2bNetworkQueryInfo::loadSettings() 33 { 34 const QString nfn(c2bSettingsP->fileName("cb2Bib/NetworkFile")); 35 if (nfn == NetworkFile) 36 return; 37 if (QFileInfo::exists(nfn)) 38 { 39 if (!NetworkFile.isEmpty()) 40 _fsw->removePath(NetworkFile); 41 NetworkFile = nfn; 42 _fsw->addPath(NetworkFile); 43 } 44 parseBookmarks(); 45 } 46 47 void c2bNetworkQueryInfo::parseBookmarks() 48 { 49 BookmarkList.clear(); 50 if (NetworkFile.isEmpty()) 51 return; 52 QFile file(NetworkFile); 53 if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) 54 return; 55 QRegExp _bookmark("^bookmark="); 56 QString line; 57 QTextStream stream(&file); 58 stream.setCodec("UTF-8"); 59 stream.setAutoDetectUnicode(true); 60 while (!stream.atEnd()) 61 { 62 line = stream.readLine(); 63 if (line.contains(_bookmark)) 64 { 65 line.remove(_bookmark); 66 if (line.count('|') == 0) 67 c2bUtils::warn(tr("c2bNetworkQueryInfo::parseBookmarks: Syntax error at '%1'").arg(line)); 68 else 69 BookmarkList.append(line); 70 } 71 } 72 file.close(); 73 while (!BookmarkActionList.isEmpty()) 74 delete BookmarkActionList.takeFirst(); 75 const QRegExp rx("<<.+>>"); 76 for (int i = 0; i < BookmarkList.count(); ++i) 77 if (BookmarkList.at(i).contains(rx)) 78 { 79 const QStringList bm_parts(BookmarkList.at(i).split('|')); 80 if (bm_parts.count() > 1) 81 { 82 QAction* act = new QAction(bm_parts.at(0), this); 83 act->setData(bm_parts.at(1)); 84 act->setStatusTip(QString("%1 [%2]").arg(bm_parts.at(0), bm_parts.at(1))); 85 connect(act, SIGNAL(triggered()), this, SLOT(openBookmark())); 86 BookmarkActionList.append(act); 87 } 88 } 89 } 90 91 QList<QAction*> c2bNetworkQueryInfo::bookmarkActions(const QString& selection) 92 { 93 _current_selection = selection; 94 for (int i = 0; i < BookmarkActionList.count(); ++i) 95 BookmarkActionList[i]->setVisible(false); 96 const QRegExp rx("<<.+>>"); 97 for (int i = 0; i < BookmarkActionList.count(); ++i) 98 { 99 QString bmd(BookmarkActionList.at(i)->data().toString()); 100 const QStringList& bibliographicFields = _bpP->bibliographicFields(); 101 for (int j = 0; j < bibliographicFields.count(); ++j) 102 { 103 const QString& name = bibliographicFields.at(j); 104 const QString tag(QString("<<%1>>").arg(name)); 105 if (bmd.contains(tag)) 106 if (!_bpP->field(name).isEmpty()) 107 bmd.remove(tag); 108 } 109 if (bmd.contains("<<selection>>")) 110 if (!_current_selection.isEmpty()) 111 bmd.remove("<<selection>>"); 112 BookmarkActionList[i]->setVisible(!bmd.contains(rx)); 113 } 114 return BookmarkActionList; 115 } 116 117 void c2bNetworkQueryInfo::openBookmark() 118 { 119 QAction* act = static_cast<QAction*>(sender()); 120 if (act) 121 { 122 const QString link(act->data().toString()); 123 c2bUtils::openFile(encodeLink(link), c2b::mainWidget()); 124 } 125 } 126 127 const QString c2bNetworkQueryInfo::encodeLink(const QString& ln) const 128 { 129 QString eln(ln); 130 // See comment in c2bNetworkQueryInfo::bookmarksToHtml 131 eln.replace("[[[", "<<"); 132 eln.replace("]]]", ">>"); 133 const QRegExp rx("<<.+>>"); 134 if (eln.contains(rx)) 135 { 136 const QStringList& bibliographicFields = _bpP->bibliographicFields(); 137 for (int j = 0; j < bibliographicFields.count(); ++j) 138 { 139 const QString& name = bibliographicFields.at(j); 140 const QString tag(QString("<<%1>>").arg(name)); 141 if (eln.contains(tag)) 142 { 143 QString fld; 144 if (name == "pages") 145 fld = _bpP->field(name).replace(QRegExp("-.+$"), QString()); 146 else if (name == "author") 147 { 148 fld = _bpP->field(name); 149 fld.replace(" and ", " "); 150 } 151 else if (name == "title") 152 { 153 fld = _bpP->field(name); 154 fld = fld.remove('{'); 155 fld = fld.remove('}'); 156 } 157 else 158 fld = _bpP->field(name); 159 fld = QUrl::toPercentEncoding(fld); 160 eln.replace(tag, fld); 161 if (!eln.contains(rx)) 162 return eln; 163 } 164 } 165 eln.replace("<<selection>>", _current_selection); 166 } 167 return eln; 168 } 169 170 const QString c2bNetworkQueryInfo::bookmarksToHtml() const 171 { 172 if (BookmarkList.count() == 0) 173 return QString(); 174 QString html("Bookmarks: "); 175 for (int i = 0; i < BookmarkList.count(); ++i) 176 { 177 int separator(BookmarkList.at(i).indexOf('|')); 178 if (separator == -1) 179 continue; 180 QString url_name(BookmarkList.at(i).mid(0, separator)); 181 QString url(BookmarkList.at(i).mid(separator + 1)); 182 // Tags <<.>> conflict with the Qt > 4.4.x HTML parser, even being them inside a 183 // literal, quoted string. The substitution below works as a workaround to prevent 184 // cb2Bib tags from clashing with the parser. 185 // See c2bNetworkQueryInfo::encodeLink. A similar issue was resolved in 186 // fromQtXmlString/toQtXmlString. 187 url.replace("<<", "[[["); 188 url.replace(">>", "]]]"); 189 url = "<a href=\"" + url + "\">" + url_name + "</a>"; 190 html += url + " "; 191 } 192 html += " "; 193 return html; 194 }