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