src/insets/insetquotes.C

   1 /**
   2  * \file insetquotes.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jean-Marc Lasgouttes
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "insetquotes.h"
  14
  15 #include "buffer.h"
  16 #include "bufferparams.h"
  17 #include "debug.h"
  18 #include "language.h"
  19 #include "LaTeXFeatures.h"
  20 #include "lyxlex.h"
  21 #include "lyxrc.h"
  22 #include "metricsinfo.h"
  23 #include "outputparams.h"
  24 #include "paragraph.h"
  25 #include "paragraph_funcs.h"
  26
  27 #include "frontends/FontMetrics.h"
  28 #include "frontends/Painter.h"
  29
  30 #include "support/lstrings.h"
  31
  32
  33 namespace lyx {
  34
  35 using support::prefixIs;
  36
  37 using std::endl;
  38 using std::string;
  39 using std::auto_ptr;
  40 using std::ostream;
  41
  42
  43 namespace {
  44
  45 /* codes used to read/write quotes to LyX files
  46  * e    ``english''
  47  * s    ''spanish''
  48  * g    ,,german``
  49  * p    ,,polish''
  50  * f    <<french>>
  51  * a    >>danish<<
  52  */
  53
  54 char const * const language_char = "esgpfa";
  55 char const * const side_char = "lr" ;
  56 char const * const times_char = "sd";
  57
  58 // List of known quote chars
  59 char const * const quote_char = ",'`<>";
  60
  61 // Index of chars used for the quote. Index is [side, language]
  62 int quote_index[2][6] = {
  63         { 2, 1, 0, 0, 3, 4 },    // "'',,<>"
  64         { 1, 1, 2, 1, 4, 3 } };  // "`'`'><"
  65
  66 // Corresponding LaTeX code, for double and single quotes.
  67 char const * const latex_quote_t1[2][5] =
  68 { { "\\quotesinglbase ",  "'", "`",
  69     "\\guilsinglleft{}", "\\guilsinglright{}" },
  70   { ",,", "''", "``", "<<", ">>" } };
  71
  72 char const * const latex_quote_ot1[2][5] =
  73 { { "\\quotesinglbase ",  "'", "`",
  74     "\\guilsinglleft{}", "\\guilsinglright{}" },
  75   { "\\quotedblbase ", "''", "``",
  76     "\\guillemotleft{}", "\\guillemotright{}" } };
  77
  78 char const * const latex_quote_babel[2][5] =
  79 { { "\\glq ",  "'", "`", "\\flq{}", "\\frq{}" },
  80   { "\\glqq ", "''", "``", "\\flqq{}", "\\frqq{}" } };
  81
  82 } // namespace anon
  83
  84
  85 InsetQuotes::InsetQuotes(string const & str)
  86 {
  87         parseString(str);
  88         setInsetName(from_utf8("InsetQuotes"));
  89 }
  90
  91
  92 InsetQuotes::InsetQuotes(quote_language l, quote_side s, quote_times t)
  93         : language_(l), side_(s), times_(t)
  94 {
  95         setInsetName(from_utf8("InsetQuotes"));
  96 }
  97
  98
  99 InsetQuotes::InsetQuotes(char_type c, BufferParams const & params)
 100         : language_(params.quotes_language), times_(params.quotes_times)
 101 {
 102         getPosition(c);
 103         setInsetName(from_utf8("InsetQuotes"));
 104 }
 105
 106
 107 InsetQuotes::InsetQuotes(char_type c, quote_language l, quote_times t)
 108         : language_(l), times_(t)
 109 {
 110         getPosition(c);
 111         setInsetName(from_utf8("InsetQuotes"));
 112 }
 113
 114
 115 void InsetQuotes::getPosition(char_type c)
 116 {
 117         // Decide whether left or right
 118         switch (c) {
 119         case ' ': case '(': case '[':
 120                 side_ = LeftQ;   // left quote
 121                 break;
 122         default:
 123                 side_ = RightQ;  // right quote
 124         }
 125 }
 126
 127
 128 void InsetQuotes::parseString(string const & s)
 129 {
 130         string str(s);
 131         if (str.length() != 3) {
 132                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 133                         " bad string length." << endl;
 134                 str = "eld";
 135         }
 136
 137         int i;
 138
 139         for (i = 0; i < 6; ++i) {
 140                 if (str[0] == language_char[i]) {
 141                         language_ = quote_language(i);
 142                         break;
 143                 }
 144         }
 145         if (i >= 6) {
 146                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 147                         " bad language specification." << endl;
 148                 language_ = EnglishQ;
 149         }
 150
 151         for (i = 0; i < 2; ++i) {
 152                 if (str[1] == side_char[i]) {
 153                         side_ = quote_side(i);
 154                         break;
 155                 }
 156         }
 157         if (i >= 2) {
 158                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 159                         " bad side specification." << endl;
 160                 side_ = LeftQ;
 161         }
 162
 163         for (i = 0; i < 2; ++i) {
 164                 if (str[2] == times_char[i]) {
 165                         times_ = quote_times(i);
 166                         break;
 167                 }
 168         }
 169         if (i >= 2) {
 170                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 171                         " bad times specification." << endl;
 172                 times_ = DoubleQ;
 173         }
 174 }
 175
 176
 177 docstring const InsetQuotes::dispString(Language const * loclang) const
 178 {
 179         string disp;
 180         disp += quote_char[quote_index[side_][language_]];
 181         if (times_ == DoubleQ)
 182                 disp += disp;
 183
 184
 185         docstring retdisp;
 186         if (disp == "<<")
 187                 retdisp = docstring(1, 0x00ab); //'«';
 188         else if (disp == ">>")
 189                 retdisp = docstring(1, 0x00bb); //'»';
 190 #if 0
 191         // The below are supposed to work, but something fails.
 192         else if (disp == ",,")
 193                 retdisp = docstring(1, 0x201e);
 194         else if (disp == "''")
 195                 retdisp == docstring(1, 0x201d);
 196         else if (disp == "``")
 197                 retdisp == docstring(1, 0x201c);
 198         else if (disp == "<")
 199                 retdisp = docstring(1, 0x2039);
 200         else if (disp == ">")
 201                 retdisp = docstring(1, 0x203a);
 202         else if (disp == ",")
 203                 retdisp = docstring(1, 0x201a);
 204         else if (disp == "'")
 205                 retdisp = docstring(1, 0x2019);
 206         else if (disp == "`")
 207                 retdisp = docstring(1, 0x2018);
 208 #endif
 209         else
 210                 retdisp = lyx::from_ascii(disp);
 211
 212         // in french, spaces are added inside double quotes
 213         if (times_ == DoubleQ && prefixIs(loclang->code(), "fr")) {
 214                 if (side_ == LeftQ)
 215                         retdisp += ' ';
 216                 else
 217                         retdisp.insert(docstring::size_type(0), 1, ' ');
 218         }
 219
 220         return retdisp;
 221 }
 222
 223
 224 void InsetQuotes::metrics(MetricsInfo & mi, Dimension & dim) const
 225 {
 226         LyXFont & font = mi.base.font;
 227         frontend::FontMetrics const & fm =
 228                 theFontMetrics(font);
 229         dim.asc = fm.maxAscent();
 230         dim.des = fm.maxDescent();
 231         dim.wid = 0;
 232
 233         docstring const text = dispString(font.language());
 234         for (string::size_type i = 0; i < text.length(); ++i) {
 235                 if (text[i] == ' ')
 236                         dim.wid += fm.width('i');
 237                 else if (i == 0 || text[i] != text[i - 1])
 238                         dim.wid += fm.width(text[i]);
 239                 else
 240                         dim.wid += fm.width(',');
 241         }
 242         dim_ = dim;
 243 }
 244
 245
 246 #if 0
 247 LyXFont const InsetQuotes::convertFont(LyXFont const & f) const
 248 {
 249 #if 1
 250         return f;
 251 #else
 252         LyXFont font(f);
 253         return font;
 254 #endif
 255 }
 256 #endif
 257
 258
 259 void InsetQuotes::draw(PainterInfo & pi, int x, int y) const
 260 {
 261         docstring const text = dispString(pi.base.font.language());
 262
 263         if (text.length() == 2 && text[0] == text[1]) {
 264                 pi.pain.text(x, y, text[0], pi.base.font);
 265                 int const t = theFontMetrics(pi.base.font)
 266                         .width(',');
 267                 pi.pain.text(x + t, y, text[0], pi.base.font);
 268         } else {
 269                 pi.pain.text(x, y, text, pi.base.font);
 270         }
 271         setPosCache(pi, x, y);
 272 }
 273
 274
 275 void InsetQuotes::write(Buffer const &, ostream & os) const
 276 {
 277         string text;
 278         text += language_char[language_];
 279         text += side_char[side_];
 280         text += times_char[times_];
 281         os << "Quotes " << text;
 282 }
 283
 284
 285 void InsetQuotes::read(Buffer const &, LyXLex & lex)
 286 {
 287         lex.next();
 288         parseString(lex.getString());
 289         lex.next();
 290         if (lex.getString() != "\\end_inset") {
 291                 lex.printError("Missing \\end_inset at this point");
 292         }
 293 }
 294
 295
 296 int InsetQuotes::latex(Buffer const &, odocstream & os,
 297                        OutputParams const & runparams) const
 298 {
 299         const int quoteind = quote_index[side_][language_];
 300         string qstr;
 301
 302         if (language_ == FrenchQ && times_ == DoubleQ
 303             && prefixIs(runparams.local_font->language()->code(), "fr")) {
 304                 if (side_ == LeftQ)
 305                         qstr = "\\og "; //the spaces are important here
 306                 else
 307                         qstr = " \\fg{}"; //and here
 308         } else if (lyxrc.fontenc == "T1") {
 309                 qstr = latex_quote_t1[times_][quoteind];
 310 #ifdef DO_USE_DEFAULT_LANGUAGE
 311         } else if (doclang == "default") {
 312 #else
 313         } else if (!runparams.use_babel) {
 314 #endif
 315                 qstr = latex_quote_ot1[times_][quoteind];
 316         } else {
 317                 qstr = latex_quote_babel[times_][quoteind];
 318         }
 319
 320         // Always guard against unfortunate ligatures (!` ?`)
 321         if (prefixIs(qstr, "`"))
 322                 qstr.insert(0, "{}");
 323
 324         os << from_ascii(qstr);
 325         return 0;
 326 }
 327
 328
 329 int InsetQuotes::plaintext(Buffer const &, odocstream & os,
 330                        OutputParams const &) const
 331 {
 332         os << '"';
 333         return 0;
 334 }
 335
 336
 337 int InsetQuotes::docbook(Buffer const &, odocstream & os,
 338                          OutputParams const &) const
 339 {
 340         if (times_ == DoubleQ) {
 341                 if (side_ == LeftQ)
 342                         os << "&ldquo;";
 343                 else
 344                         os << "&rdquo;";
 345         } else {
 346                 if (side_ == LeftQ)
 347                         os << "&lsquo;";
 348                 else
 349                         os << "&rsquo;";
 350         }
 351         return 0;
 352 }
 353
 354
 355 int InsetQuotes::textString(Buffer const & buf, odocstream & os,
 356                        OutputParams const & op) const
 357 {
 358         return plaintext(buf, os, op);
 359 }
 360
 361
 362 void InsetQuotes::validate(LaTeXFeatures & features) const
 363 {
 364         bool const use_babel = features.useBabel();
 365         char type = quote_char[quote_index[side_][language_]];
 366
 367 #ifdef DO_USE_DEFAULT_LANGUAGE
 368         if (features.bufferParams().language->lang() == "default"
 369 #else
 370         if (!use_babel
 371 #endif
 372             && lyxrc.fontenc != "T1") {
 373                 if (times_ == SingleQ)
 374                         switch (type) {
 375                                 case ',': features.require("quotesinglbase");  break;
 376                         case '<': features.require("guilsinglleft");  break;
 377                         case '>': features.require("guilsinglright"); break;
 378                         default: break;
 379                         }
 380                 else
 381                         switch (type) {
 382                         case ',': features.require("quotedblbase");   break;
 383                         case '<': features.require("guillemotleft");  break;
 384                         case '>': features.require("guillemotright"); break;
 385                         default: break;
 386                         }
 387         }
 388 }
 389
 390
 391 auto_ptr<InsetBase> InsetQuotes::doClone() const
 392 {
 393         return auto_ptr<InsetBase>(new InsetQuotes(language_, side_, times_));
 394 }
 395
 396
 397 InsetBase::Code InsetQuotes::lyxCode() const
 398 {
 399         return InsetBase::QUOTE_CODE;
 400 }
 401
 402
 403 } // namespace lyx