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         return docstring();
 236 }
 237
 238
 239 /// languages and language/dialect combinations
 240 char const * allowed_languages =
 241         "no language\nABAP\n[R/2 4.3]ABAP\n[R/2 5.0]ABAP\n[R/3 3.1]ABAP\n"
 242         "[R/3 4.6C]ABAP\n[R/3 6.10]ABAP\nACSL\nAda\n[2005]Ada\n[83]Ada\n"
 243         "[95]Ada\nALGOL\n[60]ALGOL\n[68]ALGOL\nAssembler\n"
 244         "[Motorola68k]Assembler\n[x86masm]Assembler\nAwk\n[gnu]Awk\n[POSIX]Awk\n"
 245         "bash\nBasic\n[Visual]Basic\nC\n[ANSI]C\n[Handel]C\n[Objective]C\n"
 246         "[Sharp]C\nC++\n[ANSI]C++\n[GNU]C++\n[ISO]C++\n[Visual]C++\nCaml\n"
 247         "[light]Caml\n[Objective]Caml\nClean\nCobol\n[1974]Cobol\n[1985]Cobol\n"
 248         "[ibm]Cobol\nComal 80\ncommand.com\n[WinXP]command.com\nComsol\ncsh\n"
 249         "Delphi\nEiffel\nElan\nEuphoria\nFortran\n[77]Fortran\n[90]Fortran\n"
 250         "[95]Fortran\nGCL\nGnuplot\nHaskell\nHTML\nIDL\n[CORBA]IDL\ninform\n"
 251         "Java\n[AspectJ]Java\nJVMIS\nksh\nLingo\nLisp\n[Auto]Lisp\nLogo\n"
 252         "make\n[gnu]make\nMathematica\n[1.0]Mathematica\n[3.0]Mathematica\n"
 253         "[5.2]Mathematica\nMatlab\nMercury\nMetaPost\nMiranda\nMizar\nML\n"
 254         "Modula-2\nMuPAD\nNASTRAN\nOberon-2\nOCL\n[decorative]OCL\n[OMG]OCL\n"
 255         "Octave\nOz\nPascal\n[Borland6]Pascal\n[Standard]Pascal\n[XSC]Pascal\n"
 256         "Perl\nPHP\nPL/I\nPlasm\nPostScript\nPOV\nProlog\nPromela\nPSTricks\n"
 257         "Python\nR\nReduce\nRexx\nRSL\nRuby\nS\n[PLUS]S\nSAS\nScilab\nsh\n"
 258         "SHELXL\nSimula\n[67]Simula\n[CII]Simula\n[DEC]Simula\n[IBM]Simula\n"
 259         "SPARQL\nSQL\ntcl\n[tk]tcl\nTeX\n[AlLaTeX]TeX\n[common]TeX\n[LaTeX]TeX\n"
 260         "[plain]TeX\n[primitive]TeX\nVBScript\nVerilog\nVHDL\n[AMS]VHDL\nVRML\n"
 261         "[97]VRML\nXML\nXSLT";
 262
 263
 264 /// ListingsParam Validator.
 265 /// This class is aimed to be a singleton which is instantiated in
 266 /// \c InsetListingsParams::addParam().
 267 // FIXME: transfer this validator to the frontend.
 268 // FIXME: avoid the use of exception.
 269 class ParValidator
 270 {
 271 public:
 272         ParValidator();
 273
 274         /// \return the associated \c ListingsParam.
 275         /// \warning an \c invalidParamexception will be thrown
 276         ///          if the key is not found.
 277         ListingsParam const & param(string const & key) const;
 278
 279         /// validate a parameter for a given key.
 280         /// \warning an \c invalidParam exception will be thrown if
 281         /// \c par is an invalid parameter.
 282         ListingsParam const & validate(string const & key, string const & par) const;
 283
 284 private:
 285         /// key is the name of the parameter
 286         typedef map<string, ListingsParam> ListingsParams;
 287         ListingsParams all_params_;
 288 };
 289
 290
 291 ParValidator::ParValidator()
 292 {
 293         docstring const empty_hint;
 294         docstring const style_hint = _("Use \\footnotesize, \\small, \\itshape, "
 295                 "\\ttfamily or something like that");
 296         docstring const frame_hint = _("none, leftline, topline, bottomline, lines, "
 297                 "single, shadowbox or subset of trblTRBL");
 298         docstring const frameround_hint = _("Enter four letters (either t = round "
 299                 "or f = square) for top right, bottom "
 300                 "right, bottom left and top left corner.");
 301         docstring const color_hint = _("Enter something like \\color{white}");
 302
 303         /// options copied from page 26 of listings manual
 304         // FIXME: add default parameters ... (which is not used now)
 305         all_params_["float"] =
 306                 ListingsParam("false", true, SUBSETOF, "*tbph", empty_hint);
 307         all_params_["floatplacement"] =
 308                 ListingsParam("tbp", false, SUBSETOF, "tbp", empty_hint);
 309         all_params_["aboveskip"] =
 310                 ListingsParam("\\medskipamount", false, LENGTH, "", empty_hint);
 311         all_params_["belowskip"] =
 312                 ListingsParam("\\medskipamount", false, LENGTH, "", empty_hint);
 313         all_params_["lineskip"] =
 314                 ListingsParam("", false, LENGTH, "", empty_hint);
 315         all_params_["boxpos"] =
 316                 ListingsParam("", false, SUBSETOF, "bct", empty_hint);
 317         all_params_["print"] =
 318                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 319         all_params_["firstline"] =
 320                 ListingsParam("", false, INTEGER, "", empty_hint);
 321         all_params_["lastline"] =
 322                 ListingsParam("", false, INTEGER, "", empty_hint);
 323         all_params_["linerange"] =
 324                 ListingsParam("", false, ALL, "", empty_hint);
 325         all_params_["showlines"] =
 326                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 327         all_params_["emptylines"] =
 328                 ListingsParam("", false, ALL, "", _(
 329                 "Expect a number with an optional * before it"));
 330         all_params_["gobble"] =
 331                 ListingsParam("", false, INTEGER, "", empty_hint);
 332         all_params_["style"] =
 333                 ListingsParam("", false, ALL, "", empty_hint);
 334         all_params_["language"] =
 335                 ListingsParam("", false, ONEOF, allowed_languages, empty_hint);
 336         all_params_["alsolanguage"] =
 337                 ListingsParam("", false, ONEOF, allowed_languages, empty_hint);
 338         all_params_["defaultdialect"] =
 339                 ListingsParam("", false, ONEOF, allowed_languages, empty_hint);
 340         all_params_["printpod"] =
 341                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 342         all_params_["usekeywordsintag"] =
 343                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 344         all_params_["tagstyle"] =
 345                 ListingsParam("", false, ALL, "", style_hint);
 346         all_params_["markfirstintag"] =
 347                 ListingsParam("", false, ALL, "", style_hint);
 348         all_params_["makemacrouse"] =
 349                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 350         all_params_["basicstyle"] =
 351                 ListingsParam("", false, ALL, "", style_hint);
 352         all_params_["identifierstyle"] =
 353                 ListingsParam("", false, ALL, "", style_hint);
 354         all_params_["commentstyle"] =
 355                 ListingsParam("", false, ALL, "", style_hint);
 356         all_params_["stringstyle"] =
 357                 ListingsParam("", false, ALL, "", style_hint);
 358         all_params_["keywordstyle"] =
 359                 ListingsParam("", false, ALL, "", style_hint);
 360         all_params_["ndkeywordstyle"] =
 361                 ListingsParam("", false, ALL, "", style_hint);
 362         all_params_["classoffset"] =
 363                 ListingsParam("", false, INTEGER, "", empty_hint);
 364         all_params_["texcsstyle"] =
 365                 ListingsParam("", false, ALL, "", style_hint);
 366         all_params_["directivestyle"] =
 367                 ListingsParam("", false, ALL, "", style_hint);
 368         all_params_["emph"] =
 369                 ListingsParam("", false, ALL, "", empty_hint);
 370         all_params_["moreemph"] =
 371                 ListingsParam("", false, ALL, "", empty_hint);
 372         all_params_["deleteemph"] =
 373                 ListingsParam("", false, ALL, "", empty_hint);
 374         all_params_["emphstyle"] =
 375                 ListingsParam("", false, ALL, "", empty_hint);
 376         all_params_["delim"] =
 377                 ListingsParam("", false, ALL, "", empty_hint);
 378         all_params_["moredelim"] =
 379                 ListingsParam("", false, ALL, "", empty_hint);
 380         all_params_["deletedelim"] =
 381                 ListingsParam("", false, ALL, "", empty_hint);
 382         all_params_["extendedchars"] =
 383                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 384         all_params_["inputencoding"] =
 385                 ListingsParam("", false, ALL, "", empty_hint);
 386         all_params_["upquote"] =
 387                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 388         all_params_["tabsize"] =
 389                 ListingsParam("", false, INTEGER, "", empty_hint);
 390         all_params_["showtabs"] =
 391                 ListingsParam("", false, ALL, "", empty_hint);
 392         all_params_["tab"] =
 393                 ListingsParam("", false, ALL, "", empty_hint);
 394         all_params_["showspaces"] =
 395                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 396         all_params_["showstringspaces"] =
 397                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 398         all_params_["formfeed"] =
 399                 ListingsParam("", false, ALL, "", empty_hint);
 400         all_params_["numbers"] =
 401                 ListingsParam("", false, ONEOF, "none\nleft\nright", empty_hint);
 402         all_params_["stepnumber"] =
 403                 ListingsParam("", false, INTEGER, "", empty_hint);
 404         all_params_["numberfirstline"] =
 405                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 406         all_params_["numberstyle"] =
 407                 ListingsParam("", false, ALL, "", style_hint);
 408         all_params_["numbersep"] =
 409                 ListingsParam("", false, LENGTH, "", empty_hint);
 410         all_params_["numberblanklines"] =
 411                 ListingsParam("", false, ALL, "", empty_hint);
 412         all_params_["firstnumber"] =
 413                 ListingsParam("", false, ALL, "", _("auto, last or a number"));
 414         all_params_["name"] =
 415                 ListingsParam("", false, ALL, "", empty_hint);
 416         all_params_["thelstnumber"] =
 417                 ListingsParam("", false, ALL, "", empty_hint);
 418         all_params_["title"] =
 419                 ListingsParam("", false, ALL, "", empty_hint);
 420         // this option is not handled in the parameter box
 421         all_params_["caption"] =
 422                 ListingsParam("", false, ALL, "", _(
 423                 "This parameter should not be entered here. Please use the caption "
 424                 "edit box (when using the child document dialog) or "
 425                 "menu Insert->Caption (when defining a listing inset)"));
 426         // this option is not handled in the parameter box
 427         all_params_["label"] =
 428                 ListingsParam("", false, ALL, "",_(
 429                 "This parameter should not be entered here. Please use the label "
 430                 "edit box (when using the child document dialog) or "
 431                 "menu Insert->Label (when defining a listing inset)"));
 432         all_params_["nolol"] =
 433                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 434         all_params_["captionpos"] =
 435                 ListingsParam("", false, SUBSETOF, "tb", empty_hint);
 436         all_params_["abovecaptionskip"] =
 437                 ListingsParam("", false, LENGTH, "", empty_hint);
 438         all_params_["belowcaptionskip"] =
 439                 ListingsParam("", false, LENGTH, "", empty_hint);
 440         all_params_["linewidth"] =
 441                 ListingsParam("", false, LENGTH, "", empty_hint);
 442         all_params_["xleftmargin"] =
 443                 ListingsParam("", false, LENGTH, "", empty_hint);
 444         all_params_["xrightmargin"] =
 445                 ListingsParam("", false, LENGTH, "", empty_hint);
 446         all_params_["resetmargins"] =
 447                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 448         all_params_["breaklines"] =
 449                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 450         all_params_["prebreak"] =
 451                 ListingsParam("", false, ALL, "", empty_hint);
 452         all_params_["postbreak"] =
 453                 ListingsParam("", false, ALL, "", empty_hint);
 454         all_params_["breakindent"] =
 455                 ListingsParam("", false, LENGTH, "", empty_hint);
 456         all_params_["breakautoindent"] =
 457                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 458         all_params_["frame"] =
 459                 ListingsParam("", false, ALL, "", frame_hint);
 460         all_params_["frameround"] =
 461                 ListingsParam("", false, SUBSETOF, "tf", frameround_hint);
 462         all_params_["framesep"] =
 463                 ListingsParam("", false, LENGTH, "", empty_hint);
 464         all_params_["rulesep"] =
 465                 ListingsParam("", false, LENGTH, "", empty_hint);
 466         all_params_["framerule"] =
 467                 ListingsParam("", false, LENGTH, "", empty_hint);
 468         all_params_["framexleftmargin"] =
 469                 ListingsParam("", false, LENGTH, "", empty_hint);
 470         all_params_["framexrightmargin"] =
 471                 ListingsParam("", false, LENGTH, "", empty_hint);
 472         all_params_["framextopmargin"] =
 473                 ListingsParam("", false, LENGTH, "", empty_hint);
 474         all_params_["framexbottommargin"] =
 475                 ListingsParam("", false, LENGTH, "", empty_hint);
 476         all_params_["backgroundcolor"] =
 477                 ListingsParam("", false, ALL, "", color_hint );
 478         all_params_["rulecolor"] =
 479                 ListingsParam("", false, ALL, "", color_hint );
 480         all_params_["fillcolor"] =
 481                 ListingsParam("", false, ALL, "", color_hint );
 482         all_params_["rulesepcolor"] =
 483                 ListingsParam("", false, ALL, "", color_hint );
 484         all_params_["frameshape"] =
 485                 ListingsParam("", false, ALL, "", empty_hint);
 486         all_params_["index"] =
 487                 ListingsParam("", false, ALL, "", empty_hint);
 488         all_params_["moreindex"] =
 489                 ListingsParam("", false, ALL, "", empty_hint);
 490         all_params_["deleteindex"] =
 491                 ListingsParam("", false, ALL, "", empty_hint);
 492         all_params_["indexstyle"] =
 493                 ListingsParam("", false, ALL, "", empty_hint);
 494         all_params_["columns"] =
 495                 ListingsParam("", false, ALL, "", empty_hint);
 496         all_params_["flexiblecolumns"] =
 497                 ListingsParam("", false, ALL, "", empty_hint);
 498         all_params_["keepspaces"] =
 499                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 500         all_params_["basewidth"] =
 501                 ListingsParam("", false, LENGTH, "", empty_hint);
 502         all_params_["fontadjust"] =
 503                 ListingsParam("", true, TRUEFALSE, "", empty_hint);
 504         all_params_["texcl"] =
 505                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 506         all_params_["mathescape"] =
 507                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 508         all_params_["escapechar"] =
 509                 ListingsParam("", false, ALL, "", empty_hint);
 510         all_params_["escapeinside"] =
 511                 ListingsParam("", false, ALL, "", empty_hint);
 512         all_params_["escepeinside"] =
 513                 ListingsParam("", false, ALL, "", empty_hint);
 514         all_params_["escepebegin"] =
 515                 ListingsParam("", false, ALL, "", empty_hint);
 516         all_params_["escepeend"] =
 517                 ListingsParam("", false, ALL, "", empty_hint);
 518         all_params_["fancyvrb"] =
 519                 ListingsParam("", false, TRUEFALSE, "", empty_hint);
 520         all_params_["fvcmdparams"] =
 521                 ListingsParam("", false, ALL, "", empty_hint);
 522         all_params_["morefvcmdparams"] =
 523                 ListingsParam("", false, ALL, "", empty_hint);
 524         all_params_["keywordsprefix"] =
 525                 ListingsParam("", false, ALL, "", empty_hint);
 526         all_params_["keywords"] =
 527                 ListingsParam("", false, ALL, "", empty_hint);
 528         all_params_["morekeywords"] =
 529                 ListingsParam("", false, ALL, "", empty_hint);
 530         all_params_["deletekeywords"] =
 531                 ListingsParam("", false, ALL, "", empty_hint);
 532         all_params_["ndkeywords"] =
 533                 ListingsParam("", false, ALL, "", empty_hint);
 534         all_params_["morendkeywords"] =
 535                 ListingsParam("", false, ALL, "", empty_hint);
 536         all_params_["deletendkeywords"] =
 537                 ListingsParam("", false, ALL, "", empty_hint);
 538         all_params_["texcs"] =
 539                 ListingsParam("", false, ALL, "", empty_hint);
 540         all_params_["moretexcs"] =
 541                 ListingsParam("", false, ALL, "", empty_hint);
 542         all_params_["deletetexcs"] =
 543                 ListingsParam("", false, ALL, "", empty_hint);
 544         all_params_["directives"] =
 545                 ListingsParam("", false, ALL, "", empty_hint);
 546         all_params_["moredirectives"] =
 547                 ListingsParam("", false, ALL, "", empty_hint);
 548         all_params_["deletedirectives"] =
 549                 ListingsParam("", false, ALL, "", empty_hint);
 550         all_params_["sensitive"] =
 551                 ListingsParam("", false, ALL, "", empty_hint);
 552         all_params_["alsoletter"] =
 553                 ListingsParam("", false, ALL, "", empty_hint);
 554         all_params_["alsodigit"] =
 555                 ListingsParam("", false, ALL, "", empty_hint);
 556         all_params_["alsoother"] =
 557                 ListingsParam("", false, ALL, "", empty_hint);
 558         all_params_["otherkeywords"] =
 559                 ListingsParam("", false, ALL, "", empty_hint);
 560         all_params_["tag"] =
 561                 ListingsParam("", false, ALL, "", empty_hint);
 562         all_params_["string"] =
 563                 ListingsParam("", false, ALL, "", empty_hint);
 564         all_params_["morestring"] =
 565                 ListingsParam("", false, ALL, "", empty_hint);
 566         all_params_["deletestring"] =
 567                 ListingsParam("", false, ALL, "", empty_hint);
 568         all_params_["comment"] =
 569                 ListingsParam("", false, ALL, "", empty_hint);
 570         all_params_["morecomment"] =
 571                 ListingsParam("", false, ALL, "", empty_hint);
 572         all_params_["deletecomment"] =
 573                 ListingsParam("", false, ALL, "", empty_hint);
 574         all_params_["keywordcomment"] =
 575                 ListingsParam("", false, ALL, "", empty_hint);
 576         all_params_["morekeywordcomment"] =
 577                 ListingsParam("", false, ALL, "", empty_hint);
 578         all_params_["deletekeywordcomment"] =
 579                 ListingsParam("", false, ALL, "", empty_hint);
 580         all_params_["keywordcommentsemicolon"] =
 581                 ListingsParam("", false, ALL, "", empty_hint);
 582         all_params_["podcomment"] =
 583                 ListingsParam("", false, ALL, "", empty_hint);
 584 }
 585
 586
 587 ListingsParam const & ParValidator::validate(string const & key,
 588                 string const & par) const
 589 {
 590         ListingsParam const & lparam = param(key);
 591         docstring s = lparam.validate(par);
 592         if (!s.empty())
 593                 throw invalidParam(bformat(_("Parameter %1$s: "), from_utf8(key)) + s);
 594         return lparam;
 595 }
 596
 597
 598 ListingsParam const & ParValidator::param(string const & name) const
 599 {
 600         if (name.empty())
 601                 throw invalidParam(_("Invalid (empty) listing parameter name."));
 602
 603         if (name[0] == '?') {
 604                 string suffix = trim(string(name, 1));
 605                 string param_names;
 606                 ListingsParams::const_iterator it = all_params_.begin();
 607                 ListingsParams::const_iterator end = all_params_.end();
 608                 for (; it != end; ++it) {
 609                         if (suffix.empty() || contains(it->first, suffix)) {
 610                                 if (!param_names.empty())
 611                                         param_names += ", ";
 612                                 param_names += it->first;
 613                         }
 614                 }
 615                 if (suffix.empty())
 616                         throw invalidParam(bformat(
 617                                         _("Available listing parameters are %1$s"), from_ascii(param_names)));
 618                 else
 619                         throw invalidParam(bformat(
 620                                         _("Available listings parameters containing string \"%1$s\" are %2$s"),
 621                                                 from_utf8(suffix), from_utf8(param_names)));
 622         }
 623
 624         // locate name in parameter table
 625         ListingsParams::const_iterator it = all_params_.find(name);
 626         if (it != all_params_.end())
 627                 return it->second;
 628
 629         // otherwise, produce a meaningful error message.
 630         string matching_names;
 631         ListingsParams::const_iterator end = all_params_.end();
 632         for (it = all_params_.begin(); it != end; ++it) {
 633                 if (prefixIs(it->first, name)) {
 634                         if (!matching_names.empty())
 635                                 matching_names += ", ";
 636                         matching_names += it->first;
 637                 }
 638         }
 639         if (matching_names.empty())
 640                 throw invalidParam(bformat(_("Unknown listing parameter name: %1$s"),
 641                                                     from_utf8(name)));
 642         else
 643                 throw invalidParam(bformat(_("Parameters starting with '%1$s': %2$s"),
 644                                                     from_utf8(name), from_utf8(matching_names)));
 645 }
 646
 647 } // namespace anon.
 648
 649 InsetListingsParams::InsetListingsParams()
 650         : inline_(false), params_(), status_(InsetCollapsable::Open)
 651 {
 652 }
 653
 654
 655 InsetListingsParams::InsetListingsParams(string const & par, bool in,
 656                 InsetCollapsable::CollapseStatus s)
 657         : inline_(in), params_(), status_(s)
 658 {
 659         // this will activate parameter validation.
 660         fromEncodedString(par);
 661 }
 662
 663
 664 void InsetListingsParams::write(ostream & os) const
 665 {
 666         if (inline_)
 667                 os << "true ";
 668         else
 669                 os << "false ";
 670         os << status_ << " \""  << encodedString() << "\"";
 671 }
 672
 673
 674 void InsetListingsParams::read(Lexer & lex)
 675 {
 676         lex >> inline_;
 677         int s;
 678         lex >> s;
 679         if (lex)
 680                 status_ = static_cast<InsetCollapsable::CollapseStatus>(s);
 681         string par;
 682         lex >> par;
 683         fromEncodedString(par);
 684 }
 685
 686
 687 string InsetListingsParams::params(string const & sep) const
 688 {
 689         string par;
 690         for (map<string, string>::const_iterator it = params_.begin();
 691                 it != params_.end(); ++it) {
 692                 if (!par.empty())
 693                         par += sep;
 694                 // key=value,key=value1 is stored in params_ as key=value,key_=value1.
 695                 if (it->second.empty())
 696                         par += rtrim(it->first, "_");
 697                 else
 698                         par += rtrim(it->first, "_") + '=' + it->second;
 699         }
 700         return par;
 701 }
 702
 703
 704 void InsetListingsParams::addParam(string const & key, string const & value)
 705 {
 706         if (key.empty())
 707                 return;
 708
 709         static ParValidator par_validator;
 710
 711         // exception may be thown.
 712         ListingsParam const & lparam = par_validator.validate(key, value);
 713         // duplicate parameters!
 714         string keyname = key;
 715         if (params_.find(key) != params_.end())
 716                 // key=value,key=value1 is allowed in listings
 717                 // use key_, key__, key___ etc to avoid name conflict
 718                 while (params_.find(keyname += '_') != params_.end());
 719         // check onoff flag
 720         // onoff parameter with value false
 721         if (lparam.onoff_ && (value == "false" || value == "{false}"))
 722                 params_[keyname] = string();
 723         // if the parameter is surrounded with {}, good
 724         else if (prefixIs(value, "{") && suffixIs(value, "}"))
 725                 params_[keyname] = value;
 726         // otherwise, check if {} is needed. Add {} to all values with
 727         // non-ascii/number characters, just to be safe
 728         else {
 729                 bool has_special_char = false;
 730                 for (size_t i = 0; i < value.size(); ++i)
 731                         if (!isAlphaASCII(value[i]) && !isDigit(value[i])) {
 732                                 has_special_char = true;
 733                                 break;
 734                         }
 735                 if (has_special_char)
 736                         params_[keyname] = "{" + value + "}";
 737                 else
 738                         params_[keyname] = value;
 739         }
 740 }
 741
 742
 743 void InsetListingsParams::addParams(string const & par)
 744 {
 745         string key;
 746         string value;
 747         bool isValue = false;
 748         int braces = 0;
 749         for (size_t i = 0; i < par.size(); ++i) {
 750                 // end of par
 751                 if (par[i] == '\n') {
 752                         addParam(trim(key), trim(value));
 753                         key = string();
 754                         value = string();
 755                         isValue = false;
 756                         continue;
 757                 } else if (par[i] == ',' && braces == 0) {
 758                         addParam(trim(key), trim(value));
 759                         key = string();
 760                         value = string();
 761                         isValue = false;
 762                         continue;
 763                 } else if (par[i] == '=' && braces == 0) {
 764                         isValue = true;
 765                         continue;
 766                 } else if (par[i] == '{' && par[i - 1] == '=')
 767                         braces ++;
 768                 else if (par[i] == '}'
 769                         && (i == par.size() - 1 || par[i + 1] == ',' || par[i + 1] == '\n'))
 770                         braces --;
 771
 772                 if (isValue)
 773                         value += par[i];
 774                 else
 775                         key += par[i];
 776         }
 777         if (!trim(key).empty())
 778                 addParam(trim(key), trim(value));
 779 }
 780
 781
 782 void InsetListingsParams::setParams(string const & par)
 783 {
 784         params_.clear();
 785         addParams(par);
 786 }
 787
 788
 789 string InsetListingsParams::encodedString() const
 790 {
 791         // Encode string!
 792         // '"' is handled differently because it will
 793         // terminate a lyx token.
 794         string par = params();
 795         // '"' is now &quot;  ==> '"' is now &amp;quot;
 796         par = subst(par, "&", "&amp;");
 797         // '"' is now &amp;quot; ==> '&quot;' is now &amp;quot;
 798         par = subst(par, "\"", "&quot;");
 799         return par;
 800 }
 801
 802
 803 string InsetListingsParams::separatedParams(bool keepComma) const
 804 {
 805         if (keepComma)
 806                 return params(",\n");
 807         else
 808                 return params("\n");
 809 }
 810
 811
 812 void InsetListingsParams::fromEncodedString(string const & in)
 813 {
 814         // Decode string! Reversal of encodedString
 815         string par = in;
 816         // '&quot;' is now &amp;quot; ==> '"' is now &amp;quot;
 817         par = subst(par, "&quot;", "\"");
 818         //  '"' is now &amp;quot; ==> '"' is now &quot;
 819         par = subst(par, "&amp;", "&");
 820         setParams(par);
 821 }
 822
 823
 824 bool InsetListingsParams::isFloat() const
 825 {
 826         return params_.find("float") != params_.end();
 827 }
 828
 829
 830 string InsetListingsParams::getParamValue(string const & param) const
 831 {
 832         // is this parameter defined?
 833         map<string, string>::const_iterator it = params_.find(param);
 834         string par = (it == params_.end()) ? string() : it->second;
 835         if (prefixIs(par, "{") && suffixIs(par, "}"))
 836                 return par.substr(1, par.size() - 2);
 837         else
 838                 return par;
 839 }
 840
 841
 842 } // namespace lyx