src/insets/InsetListingsParams.cpp

   1 /**
   2  * \file InsetListingsParams.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Bo Peng
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "InsetListingsParams.h"
  14
  15 #include "gettext.h"
  16 #include "Length.h"
  17 #include "Lexer.h"
  18
  19 #include "support/lstrings.h"
  20 #include "support/textutils.h"
  21 #include "support/convert.h"
  22
  23 #include <boost/assert.hpp>
  24
  25 #include <sstream>
  26
  27 using std::map;
  28 using std::vector;
  29 using std::ostream;
  30 using std::string;
  31 using std::exception;
  32
  33 namespace lyx
  34 {
  35
  36 using support::bformat;
  37 using support::trim;
  38 using support::rtrim;
  39 using support::subst;
  40 using support::isStrInt;
  41 using support::prefixIs;
  42 using support::suffixIs;
  43 using support::getVectorFromString;
  44 using lyx::support::contains;
  45
  46 namespace {
  47
  48 enum param_type {
  49         ALL,  // accept all
  50         TRUEFALSE, // accept 'true' or 'false'
  51         INTEGER, // accept an integer
  52         LENGTH,  // accept a latex length
  53         ONEOF,  // accept one of a few values
  54         SUBSETOF, // accept a string composed of given characters
  55 };
  56
  57
  58 /// Listings package parameter information.
  59 // FIXME: make this class visible outside of this file so that
  60 // FIXME: it can be used directly in the frontend and in the LyX format
  61 // FIXME: parsing.
  62 class ListingsParam {
  63 public:
  64         /// Default ctor for STL containers.
  65         ListingsParam(): onoff_(false), type_(ALL)
  66         {}
  67         /// Main ctor.
  68         ListingsParam(string const & v, bool o, param_type t,
  69                 string const & i, docstring const & h)
  70                 : value_(v), onoff_(o), type_(t), info_(i), hint_(h)
  71         {}
  72         /// Validate a paramater.
  73         /// \retval an empty string if \c par is valid.
  74         /// \retval otherwise an explanation WRT to \c par invalidity.
  75         docstring validate(string const & par) const;
  76 private:
  77         /// default value
  78         string value_;
  79 public:
  80         /// for option with value "true", "false".
  81         /// if onoff is true,
  82         ///   "true":  option
  83         ///   "false":
  84         ///   "other": option="other"
  85         /// onoff is false,
  86         ///   "true":  option=true
  87         ///   "false": option=false
  88         // FIXME: this is public because of InsetListingParam::addParam()
  89         bool onoff_;
  90 private:
  91         /// validator type.
  92         /// ALL:
  93         /// TRUEFALSE:
  94         /// INTEGER:
  95         /// LENGTH:
  96         ///     info is ignored.
  97         /// ONEOF
  98         ///     info is a \n separated string with allowed values
  99         /// SUBSETOF
 100         ///     info is a string from which par is composed of
 101         ///     (e.g. floatplacement can be one or more of *tbph)
 102         param_type type_;
 103         /// information which meaning depends on parameter type.
 104         /// \sa type_
 105         string info_;
 106         /// a help message that is displayed in the gui.
 107         docstring hint_;
 108 };
 109
 110
 111 docstring ListingsParam::validate(string const & par) const
 112 {
 113         bool unclosed = false;
 114         string par2 = par;
 115         // braces are allowed
 116         if (prefixIs(par, "{") && suffixIs(par, "}"))
 117                 par2 = par.substr(1, par.size() - 2);
 118         else if (prefixIs(par, "{")) {
 119                 par2 = par.substr(1);
 120                 unclosed = true;
 121         }
 122
 123         switch (type_) {
 124
 125         case ALL:
 126                 if (par2.empty() && !onoff_) {
 127                         if (!hint_.empty())
 128                                 return hint_;
 129                         else
 130                                 return _("A value is expected.");
 131                 }
 132                 if (unclosed)
 133                                 return _("Unbalanced braces!");
 134                 return docstring();
 135
 136         case TRUEFALSE:
 137                 if (par2.empty() && !onoff_) {
 138                         if (!hint_.empty())
 139                                 return hint_;
 140                         else
 141                                 return _("Please specify true or false.");
 142                 }
 143                 if (par2 != "true" && par2 != "false")
 144                         return _("Only true or false is allowed.");
 145                 if (unclosed)
 146                         return _("Unbalanced braces!");
 147                 return docstring();
 148
 149         case INTEGER:
 150                 if (!isStrInt(par2)) {
 151                         if (!hint_.empty())
 152                                 return hint_;
 153                         else
 154                                 return _("Please specify an integer value.");
 155                 }
 156                 if (convert<int>(par2) == 0 && par2[0] != '0')
 157                         return _("An integer is expected.");
 158                 if (unclosed)
 159                         return _("Unbalanced braces!");
 160                 return docstring();
 161
 162         case LENGTH:
 163                 if (par2.empty() && !onoff_) {
 164                         if (!hint_.empty())
 165                                 return hint_;
 166                         else
 167                                 return _("Please specify a LaTeX length expression.");
 168                 }
 169                 if (!isValidLength(par2))
 170                         return _("Invalid LaTeX length expression.");
 171                 if (unclosed)
 172                         return _("Unbalanced braces!");
 173                 return docstring();
 174
 175         case ONEOF: {
 176                 if (par2.empty() && !onoff_) {
 177                         if (!hint_.empty())
 178                                 return hint_;
 179                         else
 180                                 return bformat(_("Please specify one of %1$s."),
 181                                                            from_utf8(info_));
 182                 }
 183                 // break value to allowed strings
 184                 vector<string> lists;
 185                 string v;
 186                 for (size_t i = 0; i != info_.size(); ++i) {
 187                         if (info_[i] == '\n') {
 188                                 lists.push_back(v);
 189                                 v = string();
 190                         } else
 191                                 v += info_[i];
 192                 }
 193                 if (!v.empty())
 194                         lists.push_back(v);
 195
 196                 // good, find the string
 197                 if (std::find(lists.begin(), lists.end(), par2) != lists.end()) {
 198                         if (unclosed)
 199                                 return _("Unbalanced braces!");
 200                         return docstring();
 201                 }
 202                 // otherwise, produce a meaningful error message.
 203                 string matching_names;
 204                 for (vector<string>::iterator it = lists.begin();
 205                         it != lists.end(); ++it) {
 206                         if (it->size() >= par2.size() && it->substr(0, par2.size()) == par2) {
 207                                 if (matching_names.empty())
 208                                         matching_names += *it;
 209                                 else
 210                                         matching_names += ", " + *it;
 211                         }
 212                 }
 213                 if (matching_names.empty())
 214                         return bformat(_("Try one of %1$s."), from_utf8(info_));
 215                 else
 216                         return bformat(_("I guess you mean %1$s."), from_utf8(matching_names));
 217                 return docstring();
 218         }
 219         case SUBSETOF:
 220                 if (par2.empty() && !onoff_) {
 221                         if (!hint_.empty())
 222                                 return hint_;
 223                         else
 224                                 return bformat(_("Please specify one or more of '%1$s'."),
 225                                                            from_utf8(info_));
 226                 }
 227                 for (size_t i = 0; i < par2.size(); ++i)
 228                         if (info_.find(par2[i], 0) == string::npos)
 229                                 return bformat(_("Should be composed of one or more of %1$s."),
 230                                                 from_utf8(info_));
 231                 if (unclosed)
 232                         return _("Unbalanced braces!");
 233                 return docstring();
 234         }
 235 }
 236
 237
 238 /// languages and language/dialect combinations
 239 char const * allowed_languages =
 240         "no language\nABAP\n[R/2 4.3]ABAP\n[R/2 5.0]ABAP\n[R/3 3.1]ABAP\n"
 241         "[R/3 4.6C]ABAP\n[R/3 6.10]ABAP\nACSL\nAda\n[2005]Ada\n[83]Ada\n"
 242         "[95]Ada\nALGOL\n[60]ALGOL\n[68]ALGOL\nAssembler\n"
 243         "[Motorola68k]Assembler\n[x86masm]Assembler\nAwk\n[gnu]Awk\n[POSIX]Awk\n"
 244         "bash\nBasic\n[Visual]Basic\nC\n[ANSI]C\n[Handel]C\n[Objective]C\n"
 245         "[Sharp]C\nC++\n[ANSI]C++\n[GNU]C++\n[ISO]C++\n[Visual]C++\nCaml\n"
 246         "[light]Caml\n[Objective]Caml\nClean\nCobol\n[1974]Cobol\n[1985]Cobol\n"
 247         "[ibm]Cobol\nComal 80\ncommand.com\n[WinXP]command.com\nComsol\ncsh\n"
 248         "Delphi\nEiffel\nElan\nEuphoria\nFortran\n[77]Fortran\n[90]Fortran\n"
 249         "[95]Fortran\nGCL\nGnuplot\nHaskell\nHTML\nIDL\n[CORBA]IDL\ninform\n"
 250         "Java\n[AspectJ]Java\nJVMIS\nksh\nLingo\nLisp\n[Auto]Lisp\nLogo\n"
 251         "make\n[gnu]make\nMathematica\n[1.0]Mathematica\n[3.0]Mathematica\n"
 252         "[5.2]Mathematica\nMatlab\nMercury\nMetaPost\nMiranda\nMizar\nML\n"
 253         "Modula-2\nMuPAD\nNASTRAN\nOberon-2\nOCL\n[decorative]OCL\n[OMG]OCL\n"
 254         "Octave\nOz\nPascal\n[Borland6]Pascal\n[Standard]Pascal\n[XSC]Pascal\n"
 255         "Perl\nPHP\nPL/I\nPlasm\nPostScript\nPOV\nProlog\nPromela\nPSTricks\n"
 256         "Python\nR\nReduce\nRexx\nRSL\nRuby\nS\n[PLUS]S\nSAS\nScilab\nsh\n"
 257         "SHELXL\nSimula\n[67]Simula\n[CII]Simula\n[DEC]Simula\n[IBM]Simula\n"
 258         "SPARQL\nSQL\ntcl\n[tk]tcl\nTeX\n[AlLaTeX]TeX\n[common]TeX\n[LaTeX]TeX\n"
 259         "[plain]TeX\n[primitive]TeX\nVBScript\nVerilog\nVHDL\n[AMS]VHDL\nVRML\n"
 260         "[97]VRML\nXML\nXSLT";
 261
 262
 263 /// ListingsParam Validator.
 264 /// This class is aimed to be a singleton which is instantiated in
 265 /// \c InsetListingsParams::addParam().
 266 // FIXME: transfer this validator to the frontend.
 267 // FIXME: avoid the use of exception.
 268 class ParValidator
 269 {
 270 public:
 271         ParValidator();
 272
 273         /// \return the associated \c ListingsParam.
 274         /// \warning an \c invalidParamexception will be thrown
 275         ///          if the key is not found.
 276         ListingsParam const & param(string const & key) const;
 277
 278         /// validate a parameter for a given key.
 279         /// \warning an \c invalidParam exception will be thrown if
 280         /// \c par is an invalid parameter.
 281         ListingsParam const & validate(string const & key, string const & par) const;
 282
 283 private:
 284         /// key is the name of the parameter
 285         typedef map<string, ListingsParam> ListingsParams;
 286         ListingsParams all_params_;
 287 };
 288
 289
 290 ParValidator::ParValidator()
 291 {
 292         docstring const empty_hint;
 293         docstring const style_hint = _("Use \\footnotesize, \\small, \\itshape, "
 294                 "\\ttfamily or something like that");
 295         docstring const frame_hint = _("none, leftline, topline, bottomline, lines, "
 296                 "single, shadowbox or subset of trblTRBL");
 297         docstring const frameround_hint = _("Enter four letters (either t = round "
 298                 "or f = square) for top right, bottom "
 299                 "right, bottom left and top left corner.");
 300         docstring const color_hint = _("Enter something like \\color{white}");
 301
 302         /// options copied from page 26 of listings manual
 303         // FIXME: add default parameters ... (which is not used now)
 304         all_params_["float"] =
 305                 ListingsParam("false", true, SUBSETOF, "*tbph", empty_hint);
 306         all_params_["floatplacement"] =
 307                 ListingsParam("tbp", false, SUBSETOF, "tbp", empty_hint);
 308         all_params_["aboveskip"] =
 309                 ListingsParam("\\medskipamount", false, LENGTH, "", empty_hint);
 310         all_params_["belowskip"] =
 311                 ListingsParam("\\medskipamount", false, LENGTH, "", empty_hint);
 312         all_params_["lineskip"] =
 313                 ListingsParam("", false, LENGTH, "", empty_hint);
 314         all_params_["boxpos"] =
 315                 ListingsParam("", false, SUBSETOF, "bct", empty_hint);
 316         all_params_["print"] =
 317                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 318         all_params_["firstline"] =
 319                 ListingsParam("", false, INTEGER, "", empty_hint);
 320         all_params_["lastline"] =
 321                 ListingsParam("", false, INTEGER, "", empty_hint);
 322         all_params_["showlines"] =
 323                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 324         all_params_["emptylines"] =
 325                 ListingsParam("", false, ALL, "", _(
 326                 "Expect a number with an optional * before it"));
 327         all_params_["gobble"] =
 328                 ListingsParam("", false, INTEGER, "", empty_hint);
 329         all_params_["style"] =
 330                 ListingsParam("", false, ALL, "", empty_hint);
 331         all_params_["language"] =
 332                 ListingsParam("", false, ONEOF, allowed_languages, empty_hint);
 333         all_params_["alsolanguage"] =
 334                 ListingsParam("", false, ONEOF, allowed_languages, empty_hint);
 335         all_params_["defaultdialect"] =
 336                 ListingsParam("", false, ONEOF, allowed_languages, empty_hint);
 337         all_params_["printpod"] =
 338                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 339         all_params_["usekeywordsintag"] =
 340                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 341         all_params_["tagstyle"] =
 342                 ListingsParam("", false, ALL, "", style_hint);
 343         all_params_["markfirstintag"] =
 344                 ListingsParam("", false, ALL, "", style_hint);
 345         all_params_["makemacrouse"] =
 346                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 347         all_params_["basicstyle"] =
 348                 ListingsParam("", false, ALL, "", style_hint);
 349         all_params_["identifierstyle"] =
 350                 ListingsParam("", false, ALL, "", style_hint);
 351         all_params_["commentstyle"] =
 352                 ListingsParam("", false, ALL, "", style_hint);
 353         all_params_["stringstyle"] =
 354                 ListingsParam("", false, ALL, "", style_hint);
 355         all_params_["keywordstyle"] =
 356                 ListingsParam("", false, ALL, "", style_hint);
 357         all_params_["ndkeywordstyle"] =
 358                 ListingsParam("", false, ALL, "", style_hint);
 359         all_params_["classoffset"] =
 360                 ListingsParam("", false, INTEGER, "", empty_hint);
 361         all_params_["texcsstyle"] =
 362                 ListingsParam("", false, ALL, "", style_hint);
 363         all_params_["directivestyle"] =
 364                 ListingsParam("", false, ALL, "", style_hint);
 365         all_params_["emph"] =
 366                 ListingsParam("", false, ALL, "", empty_hint);
 367         all_params_["moreemph"] =
 368                 ListingsParam("", false, ALL, "", empty_hint);
 369         all_params_["deleteemph"] =
 370                 ListingsParam("", false, ALL, "", empty_hint);
 371         all_params_["emphstyle"] =
 372                 ListingsParam("", false, ALL, "", empty_hint);
 373         all_params_["delim"] =
 374                 ListingsParam("", false, ALL, "", empty_hint);
 375         all_params_["moredelim"] =
 376                 ListingsParam("", false, ALL, "", empty_hint);
 377         all_params_["deletedelim"] =
 378                 ListingsParam("", false, ALL, "", empty_hint);
 379         all_params_["extendedchars"] =
 380                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 381         all_params_["inputencoding"] =
 382                 ListingsParam("", false, ALL, "", empty_hint);
 383         all_params_["upquote"] =
 384                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 385         all_params_["tabsize"] =
 386                 ListingsParam("", false, INTEGER, "", empty_hint);
 387         all_params_["showtabs"] =
 388                 ListingsParam("", false, ALL, "", empty_hint);
 389         all_params_["tab"] =
 390                 ListingsParam("", false, ALL, "", empty_hint);
 391         all_params_["showspaces"] =
 392                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 393         all_params_["showstringspaces"] =
 394                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 395         all_params_["formfeed"] =
 396                 ListingsParam("", false, ALL, "", empty_hint);
 397         all_params_["numbers"] =
 398                 ListingsParam("", false, ONEOF, "none\nleft\nright", empty_hint);
 399         all_params_["stepnumber"] =
 400                 ListingsParam("", false, INTEGER, "", empty_hint);
 401         all_params_["numberfirstline"] =
 402                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 403         all_params_["numberstyle"] =
 404                 ListingsParam("", false, ALL, "", style_hint);
 405         all_params_["numbersep"] =
 406                 ListingsParam("", false, LENGTH, "", empty_hint);
 407         all_params_["numberblanklines"] =
 408                 ListingsParam("", false, ALL, "", empty_hint);
 409         all_params_["firstnumber"] =
 410                 ListingsParam("", false, ALL, "", _("auto, last or a number"));
 411         all_params_["name"] =
 412                 ListingsParam("", false, ALL, "", empty_hint);
 413         all_params_["thelstnumber"] =
 414                 ListingsParam("", false, ALL, "", empty_hint);
 415         all_params_["title"] =
 416                 ListingsParam("", false, ALL, "", empty_hint);
 417         // this option is not handled in the parameter box
 418         all_params_["caption"] =
 419                 ListingsParam("", false, ALL, "", _(
 420                 "This parameter should not be entered here. Please use the caption "
 421                 "edit box (when using the child document dialog) or "
 422                 "menu Insert->Caption (when defining a listing inset)"));
 423         // this option is not handled in the parameter box
 424         all_params_["label"] =
 425                 ListingsParam("", false, ALL, "",_(
 426                 "This parameter should not be entered here. Please use the label "
 427                 "edit box (when using the child document dialog) or "
 428                 "menu Insert->Label (when defining a listing inset)"));
 429         all_params_["nolol"] =
 430                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 431         all_params_["captionpos"] =
 432                 ListingsParam("", false, SUBSETOF, "tb", empty_hint);
 433         all_params_["abovecaptionskip"] =
 434                 ListingsParam("", false, LENGTH, "", empty_hint);
 435         all_params_["belowcaptionskip"] =
 436                 ListingsParam("", false, LENGTH, "", empty_hint);
 437         all_params_["linewidth"] =
 438                 ListingsParam("", false, LENGTH, "", empty_hint);
 439         all_params_["xleftmargin"] =
 440                 ListingsParam("", false, LENGTH, "", empty_hint);
 441         all_params_["xrightmargin"] =
 442                 ListingsParam("", false, LENGTH, "", empty_hint);
 443         all_params_["resetmargins"] =
 444                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 445         all_params_["breaklines"] =
 446                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 447         all_params_["prebreak"] =
 448                 ListingsParam("", false, ALL, "", empty_hint);
 449         all_params_["postbreak"] =
 450                 ListingsParam("", false, ALL, "", empty_hint);
 451         all_params_["breakindent"] =
 452                 ListingsParam("", false, LENGTH, "", empty_hint);
 453         all_params_["breakautoindent"] =
 454                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 455         all_params_["frame"] =
 456                 ListingsParam("", false, ALL, "", frame_hint);
 457         all_params_["frameround"] =
 458                 ListingsParam("", false, SUBSETOF, "tf", frameround_hint);
 459         all_params_["framesep"] =
 460                 ListingsParam("", false, LENGTH, "", empty_hint);
 461         all_params_["rulesep"] =
 462                 ListingsParam("", false, LENGTH, "", empty_hint);
 463         all_params_["framerule"] =
 464                 ListingsParam("", false, LENGTH, "", empty_hint);
 465         all_params_["framexleftmargin"] =
 466                 ListingsParam("", false, LENGTH, "", empty_hint);
 467         all_params_["framexrightmargin"] =
 468                 ListingsParam("", false, LENGTH, "", empty_hint);
 469         all_params_["framextopmargin"] =
 470                 ListingsParam("", false, LENGTH, "", empty_hint);
 471         all_params_["framexbottommargin"] =
 472                 ListingsParam("", false, LENGTH, "", empty_hint);
 473         all_params_["backgroundcolor"] =
 474                 ListingsParam("", false, ALL, "", color_hint );
 475         all_params_["rulecolor"] =
 476                 ListingsParam("", false, ALL, "", color_hint );
 477         all_params_["fillcolor"] =
 478                 ListingsParam("", false, ALL, "", color_hint );
 479         all_params_["rulesepcolor"] =
 480                 ListingsParam("", false, ALL, "", color_hint );
 481         all_params_["frameshape"] =
 482                 ListingsParam("", false, ALL, "", empty_hint);
 483         all_params_["index"] =
 484                 ListingsParam("", false, ALL, "", empty_hint);
 485         all_params_["moreindex"] =
 486                 ListingsParam("", false, ALL, "", empty_hint);
 487         all_params_["deleteindex"] =
 488                 ListingsParam("", false, ALL, "", empty_hint);
 489         all_params_["indexstyle"] =
 490                 ListingsParam("", false, ALL, "", empty_hint);
 491         all_params_["columns"] =
 492                 ListingsParam("", false, ALL, "", empty_hint);
 493         all_params_["flexiblecolumns"] =
 494                 ListingsParam("", false, ALL, "", empty_hint);
 495         all_params_["keepspaces"] =
 496                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 497         all_params_["basewidth"] =
 498                 ListingsParam("", false, LENGTH, "", empty_hint);
 499         all_params_["fontadjust"] =
 500                 ListingsParam("", true, TRUEFALSE, "", empty_hint);
 501         all_params_["texcl"] =
 502                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 503         all_params_["mathescape"] =
 504                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 505         all_params_["escapechar"] =
 506                 ListingsParam("", false, ALL, "", empty_hint);
 507         all_params_["escapeinside"] =
 508                 ListingsParam("", false, ALL, "", empty_hint);
 509         all_params_["escepeinside"] =
 510                 ListingsParam("", false, ALL, "", empty_hint);
 511         all_params_["escepebegin"] =
 512                 ListingsParam("", false, ALL, "", empty_hint);
 513         all_params_["escepeend"] =
 514                 ListingsParam("", false, ALL, "", empty_hint);
 515         all_params_["fancyvrb"] =
 516                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 517         all_params_["fvcmdparams"] =
 518                 ListingsParam("", false, ALL, "", empty_hint);
 519         all_params_["morefvcmdparams"] =
 520                 ListingsParam("", false, ALL, "", empty_hint);
 521         all_params_["keywordsprefix"] =
 522                 ListingsParam("", false, ALL, "", empty_hint);
 523         all_params_["keywords"] =
 524                 ListingsParam("", false, ALL, "", empty_hint);
 525         all_params_["morekeywords"] =
 526                 ListingsParam("", false, ALL, "", empty_hint);
 527         all_params_["deletekeywords"] =
 528                 ListingsParam("", false, ALL, "", empty_hint);
 529         all_params_["ndkeywords"] =
 530                 ListingsParam("", false, ALL, "", empty_hint);
 531         all_params_["morendkeywords"] =
 532                 ListingsParam("", false, ALL, "", empty_hint);
 533         all_params_["deletendkeywords"] =
 534                 ListingsParam("", false, ALL, "", empty_hint);
 535         all_params_["texcs"] =
 536                 ListingsParam("", false, ALL, "", empty_hint);
 537         all_params_["moretexcs"] =
 538                 ListingsParam("", false, ALL, "", empty_hint);
 539         all_params_["deletetexcs"] =
 540                 ListingsParam("", false, ALL, "", empty_hint);
 541         all_params_["directives"] =
 542                 ListingsParam("", false, ALL, "", empty_hint);
 543         all_params_["moredirectives"] =
 544                 ListingsParam("", false, ALL, "", empty_hint);
 545         all_params_["deletedirectives"] =
 546                 ListingsParam("", false, ALL, "", empty_hint);
 547         all_params_["sensitive"] =
 548                 ListingsParam("", false, ALL, "", empty_hint);
 549         all_params_["alsoletter"] =
 550                 ListingsParam("", false, ALL, "", empty_hint);
 551         all_params_["alsodigit"] =
 552                 ListingsParam("", false, ALL, "", empty_hint);
 553         all_params_["alsoother"] =
 554                 ListingsParam("", false, ALL, "", empty_hint);
 555         all_params_["otherkeywords"] =
 556                 ListingsParam("", false, ALL, "", empty_hint);
 557         all_params_["tag"] =
 558                 ListingsParam("", false, ALL, "", empty_hint);
 559         all_params_["string"] =
 560                 ListingsParam("", false, ALL, "", empty_hint);
 561         all_params_["morestring"] =
 562                 ListingsParam("", false, ALL, "", empty_hint);
 563         all_params_["deletestring"] =
 564                 ListingsParam("", false, ALL, "", empty_hint);
 565         all_params_["comment"] =
 566                 ListingsParam("", false, ALL, "", empty_hint);
 567         all_params_["morecomment"] =
 568                 ListingsParam("", false, ALL, "", empty_hint);
 569         all_params_["deletecomment"] =
 570                 ListingsParam("", false, ALL, "", empty_hint);
 571         all_params_["keywordcomment"] =
 572                 ListingsParam("", false, ALL, "", empty_hint);
 573         all_params_["morekeywordcomment"] =
 574                 ListingsParam("", false, ALL, "", empty_hint);
 575         all_params_["deletekeywordcomment"] =
 576                 ListingsParam("", false, ALL, "", empty_hint);
 577         all_params_["keywordcommentsemicolon"] =
 578                 ListingsParam("", false, ALL, "", empty_hint);
 579         all_params_["podcomment"] =
 580                 ListingsParam("", false, ALL, "", empty_hint);
 581 }
 582
 583
 584 ListingsParam const & ParValidator::validate(string const & key,
 585                 string const & par) const
 586 {
 587         ListingsParam const & lparam = param(key);
 588         docstring s = lparam.validate(par);
 589         if (!s.empty())
 590                 throw invalidParam(bformat(_("Parameter %1$s: "), from_utf8(key)) + s);
 591         return lparam;
 592 }
 593
 594
 595 ListingsParam const & ParValidator::param(string const & name) const
 596 {
 597         if (name.empty())
 598                 throw invalidParam(_("Invalid (empty) listing parameter name."));
 599
 600         if (name[0] == '?') {
 601                 string suffix = trim(string(name, 1));
 602                 string param_names;
 603                 ListingsParams::const_iterator it = all_params_.begin();
 604                 ListingsParams::const_iterator end = all_params_.end();
 605                 for (; it != end; ++it) {
 606                         if (suffix.empty() || contains(it->first, suffix)) {
 607                                 if (!param_names.empty())
 608                                         param_names += ", ";
 609                                 param_names += it->first;
 610                         }
 611                 }
 612                 if (suffix.empty())
 613                         throw invalidParam(bformat(
 614                                         _("Available listing parameters are %1$s"), from_ascii(param_names)));
 615                 else
 616                         throw invalidParam(bformat(
 617                                         _("Available listings parameters containing string \"%1$s\" are %2$s"),
 618                                                 from_utf8(suffix), from_utf8(param_names)));
 619         }
 620
 621         // locate name in parameter table
 622         ListingsParams::const_iterator it = all_params_.find(name);
 623         if (it != all_params_.end())
 624                 return it->second;
 625
 626         // otherwise, produce a meaningful error message.
 627         string matching_names;
 628         ListingsParams::const_iterator end = all_params_.end();
 629         for (it = all_params_.begin(); it != end; ++it) {
 630                 if (prefixIs(it->first, name)) {
 631                         if (!matching_names.empty())
 632                                 matching_names += ", ";
 633                         matching_names += it->first;
 634                 }
 635         }
 636         if (matching_names.empty())
 637                 throw invalidParam(bformat(_("Unknown listing parameter name: %1$s"),
 638                                                     from_utf8(name)));
 639         else
 640                 throw invalidParam(bformat(_("Parameters starting with '%1$s': %2$s"),
 641                                                     from_utf8(name), from_utf8(matching_names)));
 642 }
 643
 644 } // namespace anon.
 645
 646 InsetListingsParams::InsetListingsParams()
 647         : inline_(false), params_(), status_(InsetCollapsable::Open)
 648 {
 649 }
 650
 651
 652 InsetListingsParams::InsetListingsParams(string const & par, bool in,
 653                 InsetCollapsable::CollapseStatus s)
 654         : inline_(in), params_(), status_(s)
 655 {
 656         // this will activate parameter validation.
 657         fromEncodedString(par);
 658 }
 659
 660
 661 void InsetListingsParams::write(ostream & os) const
 662 {
 663         if (inline_)
 664                 os << "true ";
 665         else
 666                 os << "false ";
 667         os << status_ << " \""  << encodedString() << "\"";
 668 }
 669
 670
 671 void InsetListingsParams::read(Lexer & lex)
 672 {
 673         lex >> inline_;
 674         int s;
 675         lex >> s;
 676         if (lex)
 677                 status_ = static_cast<InsetCollapsable::CollapseStatus>(s);
 678         string par;
 679         lex >> par;
 680         fromEncodedString(par);
 681 }
 682
 683
 684 string InsetListingsParams::params(string const & sep) const
 685 {
 686         string par;
 687         for (map<string, string>::const_iterator it = params_.begin();
 688                 it != params_.end(); ++it) {
 689                 if (!par.empty())
 690                         par += sep;
 691                 // key=value,key=value1 is stored in params_ as key=value,key_=value1.
 692                 if (it->second.empty())
 693                         par += rtrim(it->first, "_");
 694                 else
 695                         par += rtrim(it->first, "_") + '=' + it->second;
 696         }
 697         return par;
 698 }
 699
 700
 701 void InsetListingsParams::addParam(string const & key, string const & value)
 702 {
 703         if (key.empty())
 704                 return;
 705
 706         static ParValidator par_validator;
 707
 708         // exception may be thown.
 709         ListingsParam const & lparam = par_validator.validate(key, value);
 710         // duplicate parameters!
 711         string keyname = key;
 712         if (params_.find(key) != params_.end())
 713                 // key=value,key=value1 is allowed in listings
 714                 // use key_, key__, key___ etc to avoid name conflict
 715                 while (params_.find(keyname += '_') != params_.end());
 716         // check onoff flag
 717         // onoff parameter with value false
 718         if (lparam.onoff_ && (value == "false" || value == "{false}"))
 719                 params_[keyname] = string();
 720         // if the parameter is surrounded with {}, good
 721         else if (prefixIs(value, "{") && suffixIs(value, "}"))
 722                 params_[keyname] = value;
 723         // otherwise, check if {} is needed. Add {} to all values with
 724         // non-ascii/number characters, just to be safe
 725         else {
 726                 bool has_special_char = false;
 727                 for (size_t i = 0; i < value.size(); ++i)
 728                         if (!isAlphaASCII(value[i]) && !isDigit(value[i])) {
 729                                 has_special_char = true;
 730                                 break;
 731                         }
 732                 if (has_special_char)
 733                         params_[keyname] = "{" + value + "}";
 734                 else
 735                         params_[keyname] = value;
 736         }
 737 }
 738
 739
 740 void InsetListingsParams::addParams(string const & par)
 741 {
 742         string key;
 743         string value;
 744         bool isValue = false;
 745         int braces = 0;
 746         for (size_t i = 0; i < par.size(); ++i) {
 747                 // end of par
 748                 if (par[i] == '\n') {
 749                         addParam(trim(key), trim(value));
 750                         key = string();
 751                         value = string();
 752                         isValue = false;
 753                         continue;
 754                 } else if (par[i] == ',' && braces == 0) {
 755                         addParam(trim(key), trim(value));
 756                         key = string();
 757                         value = string();
 758                         isValue = false;
 759                         continue;
 760                 } else if (par[i] == '=' && braces == 0) {
 761                         isValue = true;
 762                         continue;
 763                 } else if (par[i] == '{' && par[i - 1] == '=')
 764                         braces ++;
 765                 else if (par[i] == '}'
 766                         && (i == par.size() - 1 || par[i + 1] == ',' || par[i + 1] == '\n'))
 767                         braces --;
 768
 769                 if (isValue)
 770                         value += par[i];
 771                 else
 772                         key += par[i];
 773         }
 774         if (!trim(key).empty())
 775                 addParam(trim(key), trim(value));
 776 }
 777
 778
 779 void InsetListingsParams::setParams(string const & par)
 780 {
 781         params_.clear();
 782         addParams(par);
 783 }
 784
 785
 786 string InsetListingsParams::encodedString() const
 787 {
 788         // Encode string!
 789         // '"' is handled differently because it will
 790         // terminate a lyx token.
 791         string par = params();
 792         // '"' is now &quot;  ==> '"' is now &amp;quot;
 793         par = subst(par, "&", "&amp;");
 794         // '"' is now &amp;quot; ==> '&quot;' is now &amp;quot;
 795         par = subst(par, "\"", "&quot;");
 796         return par;
 797 }
 798
 799
 800 string InsetListingsParams::separatedParams(bool keepComma) const
 801 {
 802         if (keepComma)
 803                 return params(",\n");
 804         else
 805                 return params("\n");
 806 }
 807
 808
 809 void InsetListingsParams::fromEncodedString(string const & in)
 810 {
 811         // Decode string! Reversal of encodedString
 812         string par = in;
 813         // '&quot;' is now &amp;quot; ==> '"' is now &amp;quot;
 814         par = subst(par, "&quot;", "\"");
 815         //  '"' is now &amp;quot; ==> '"' is now &quot;
 816         par = subst(par, "&amp;", "&");
 817         setParams(par);
 818 }
 819
 820
 821 bool InsetListingsParams::isFloat() const
 822 {
 823         return params_.find("float") != params_.end();
 824 }
 825
 826
 827 string InsetListingsParams::getParamValue(string const & param) const
 828 {
 829         // is this parameter defined?
 830         map<string, string>::const_iterator it = params_.find(param);
 831         return (it == params_.end()) ? string() : it->second;
 832 }
 833
 834
 835 } // namespace lyx