src/frontends/qt4/GuiLog.cpp

   1 /**
   2  * \file GuiLog.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Levon
   7  * \author Angus Leeming
   8  * \author Jürgen Spitzmüller
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "GuiLog.h"
  16
  17 #include "GuiApplication.h"
  18 #include "qt_helpers.h"
  19 #include "Lexer.h"
  20
  21 #include "frontends/Clipboard.h"
  22
  23 #include "support/docstring.h"
  24 #include "support/FileName.h"
  25 #include "support/gettext.h"
  26
  27 #include <QDesktopServices>
  28 #include <QTextBrowser>
  29 #include <QSyntaxHighlighter>
  30 #include <QUrl>
  31 #include <QClipboard>
  32
  33 #include <fstream>
  34 #include <sstream>
  35
  36 using namespace std;
  37 using namespace lyx::support;
  38
  39 namespace lyx {
  40 namespace frontend {
  41
  42
  43 // Regular expressions needed at several places
  44 // FIXME: These regexes are incomplete. It would be good if we could collect those used in LaTeX::scanLogFile
  45 //        and LaTeX::scanBlgFile and re-use them here!(spitz, 2013-05-27)
  46 // Information
  47 QRegExp exprInfo("^(Document Class:|LaTeX Font Info:|File:|Package:|Language:|Underfull|Overfull|.*> INFO - |\\(|\\\\).*$");
  48 // Warnings
  49 QRegExp exprWarning("^(LaTeX Warning|LaTeX Font Warning|Package [\\w\\.]+ Warning|Class \\w+ Warning|Warning--|.*> WARN - ).*$");
  50 // Errors
  51 QRegExp exprError("^(!|.*---line [0-9]+ of file|.*> FATAL - |.*> ERROR - |Missing character: There is no ).*$");
  52
  53
  54 /////////////////////////////////////////////////////////////////////
  55 //
  56 // LogHighlighter
  57 //
  58 ////////////////////////////////////////////////////////////////////
  59
  60 class LogHighlighter : public QSyntaxHighlighter
  61 {
  62 public:
  63         LogHighlighter(QTextDocument * parent);
  64
  65 private:
  66         void highlightBlock(QString const & text);
  67
  68 private:
  69         QTextCharFormat infoFormat;
  70         QTextCharFormat warningFormat;
  71         QTextCharFormat errorFormat;
  72 };
  73
  74
  75
  76 LogHighlighter::LogHighlighter(QTextDocument * parent)
  77         : QSyntaxHighlighter(parent)
  78 {
  79         infoFormat.setForeground(Qt::darkGray);
  80         warningFormat.setForeground(Qt::darkBlue);
  81         errorFormat.setForeground(Qt::red);
  82 }
  83
  84
  85 void LogHighlighter::highlightBlock(QString const & text)
  86 {
  87         // Info
  88         int index = exprInfo.indexIn(text);
  89         while (index >= 0) {
  90                 int length = exprInfo.matchedLength();
  91                 setFormat(index, length, infoFormat);
  92                 index = exprInfo.indexIn(text, index + length);
  93         }
  94         // LaTeX Warning:
  95         index = exprWarning.indexIn(text);
  96         while (index >= 0) {
  97                 int length = exprWarning.matchedLength();
  98                 setFormat(index, length, warningFormat);
  99                 index = exprWarning.indexIn(text, index + length);
 100         }
 101         // ! error
 102         index = exprError.indexIn(text);
 103         while (index >= 0) {
 104                 int length = exprError.matchedLength();
 105                 setFormat(index, length, errorFormat);
 106                 index = exprError.indexIn(text, index + length);
 107         }
 108 }
 109
 110
 111 /////////////////////////////////////////////////////////////////////
 112 //
 113 // GuiLog
 114 //
 115 /////////////////////////////////////////////////////////////////////
 116
 117 GuiLog::GuiLog(GuiView & lv)
 118         : GuiDialog(lv, "log", qt_("LaTeX Log")), type_(LatexLog)
 119 {
 120         setupUi(this);
 121
 122         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 123         connect(updatePB, SIGNAL(clicked()), this, SLOT(updateContents()));
 124         connect(findPB, SIGNAL(clicked()), this, SLOT(find()));
 125         // FIXME: find via returnPressed() does not work!
 126         connect(findLE, SIGNAL(returnPressed()), this, SLOT(find()));
 127         connect(logTypeCO, SIGNAL(activated(int)),
 128                 this, SLOT(typeChanged(int)));
 129
 130         bc().setPolicy(ButtonPolicy::OkCancelPolicy);
 131
 132         // set syntax highlighting
 133         highlighter = new LogHighlighter(logTB->document());
 134
 135         logTB->setReadOnly(true);
 136         QFont font(guiApp->typewriterFontName());
 137         font.setFixedPitch(true);
 138         font.setStyleHint(QFont::TypeWriter);
 139         logTB->setFont(font);
 140 }
 141
 142
 143 void GuiLog::updateContents()
 144 {
 145         setTitle(toqstr(title()));
 146
 147         ostringstream ss;
 148         getContents(ss);
 149
 150         logTB->setPlainText(toqstr(ss.str()));
 151
 152         nextErrorPB->setEnabled(contains(exprError));
 153         nextWarningPB->setEnabled(contains(exprWarning));
 154 }
 155
 156
 157 void GuiLog::typeChanged(int i)
 158 {
 159         string const type =
 160                 fromqstr(logTypeCO->itemData(i).toString());
 161         string ext;
 162         if (type == "latex")
 163                 ext = "log";
 164         else if (type == "bibtex")
 165                 ext = "blg";
 166         else if (type == "index")
 167                 ext = "ilg";
 168
 169         if (!ext.empty())
 170                 logfile_.changeExtension(ext);
 171
 172         updateContents();
 173 }
 174
 175
 176 void GuiLog::find()
 177 {
 178         logTB->find(findLE->text());
 179 }
 180
 181
 182 void GuiLog::on_nextErrorPB_clicked()
 183 {
 184         goTo(exprError);
 185 }
 186
 187
 188 void GuiLog::on_nextWarningPB_clicked()
 189 {
 190         goTo(exprWarning);
 191 }
 192
 193
 194 void GuiLog::on_openDirPB_clicked()
 195 {
 196         support::FileName dir = logfile_.onlyPath();
 197         if (!dir.exists())
 198                 return;
 199         QUrl qdir(QUrl::fromLocalFile(toqstr(from_utf8(dir.absFileName()))));
 200         // Give hints in case of bugs
 201         if (!qdir.isValid()) {
 202                 LYXERR0("QUrl is invalid!");
 203                 return;
 204         }
 205         if (!QDesktopServices::openUrl(qdir))
 206                 LYXERR0("Unable to open QUrl even though dir exists!");
 207 }
 208
 209
 210 void GuiLog::goTo(QRegExp const & exp) const
 211 {
 212         QTextCursor const newc =
 213                 logTB->document()->find(exp, logTB->textCursor());
 214         logTB->setTextCursor(newc);
 215 }
 216
 217
 218 bool GuiLog::contains(QRegExp const & exp) const
 219 {
 220         return !logTB->document()->find(exp, logTB->textCursor()).isNull();
 221 }
 222
 223
 224 bool GuiLog::initialiseParams(string const & data)
 225 {
 226         istringstream is(data);
 227         Lexer lex;
 228         lex.setStream(is);
 229
 230         string logtype, logfile;
 231         lex >> logtype;
 232         if (lex) {
 233                 lex.next(true);
 234                 logfile = lex.getString();
 235         }
 236         if (!lex)
 237                 // Parsing of the data failed.
 238                 return false;
 239
 240         logTypeCO->setEnabled(logtype == "latex");
 241         logTypeCO->clear();
 242
 243         FileName log(logfile);
 244
 245         if (logtype == "latex") {
 246                 type_ = LatexLog;
 247                 logTypeCO->addItem(qt_("LaTeX"), toqstr(logtype));
 248                 FileName tmp = log;
 249                 tmp.changeExtension("blg");
 250                 if (tmp.exists())
 251                         logTypeCO->addItem(qt_("BibTeX"), QString("bibtex"));
 252                 tmp.changeExtension("ilg");
 253                 if (tmp.exists())
 254                         logTypeCO->addItem(qt_("Index"), QString("index"));
 255         // FIXME: not sure "literate" still works.
 256         } else if (logtype == "literate") {
 257                 type_ = LiterateLog;
 258                 logTypeCO->addItem(qt_("Literate"), toqstr(logtype));
 259         } else if (logtype == "lyx2lyx") {
 260                 type_ = Lyx2lyxLog;
 261                 logTypeCO->addItem(qt_("LyX2LyX"), toqstr(logtype));
 262         } else if (logtype == "vc") {
 263                 type_ = VCLog;
 264                 logTypeCO->addItem(qt_("Version Control"), toqstr(logtype));
 265         } else
 266                 return false;
 267
 268         logfile_ = log;
 269
 270         updateContents();
 271
 272         return true;
 273 }
 274
 275
 276 void GuiLog::clearParams()
 277 {
 278         logfile_.erase();
 279 }
 280
 281
 282 docstring GuiLog::title() const
 283 {
 284         switch (type_) {
 285         case LatexLog:
 286                 return _("LaTeX Log");
 287         case LiterateLog:
 288                 return _("Literate Programming Build Log");
 289         case Lyx2lyxLog:
 290                 return _("lyx2lyx Error Log");
 291         case VCLog:
 292                 return _("Version Control Log");
 293         default:
 294                 return docstring();
 295         }
 296 }
 297
 298
 299 void GuiLog::getContents(ostream & ss) const
 300 {
 301         ifstream in(logfile_.toFilesystemEncoding().c_str());
 302
 303         bool success = false;
 304
 305         // FIXME UNICODE
 306         // Our caller interprets the file contents as UTF8, but is that
 307         // correct?
 308         if (in) {
 309                 ss << in.rdbuf();
 310                 success = ss.good();
 311         }
 312
 313         if (success)
 314                 return;
 315
 316         switch (type_) {
 317         case LatexLog:
 318                 ss << to_utf8(_("Log file not found."));
 319                 break;
 320         case LiterateLog:
 321                 ss << to_utf8(_("No literate programming build log file found."));
 322                 break;
 323         case Lyx2lyxLog:
 324                 ss << to_utf8(_("No lyx2lyx error log file found."));
 325                 break;
 326         case VCLog:
 327                 ss << to_utf8(_("No version control log file found."));
 328                 break;
 329         }
 330 }
 331
 332
 333 Dialog * createGuiLog(GuiView & lv) { return new GuiLog(lv); }
 334
 335
 336 } // namespace frontend
 337 } // namespace lyx
 338
 339 #include "moc_GuiLog.cpp"