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/font_metrics.h"
  28 #include "frontends/Painter.h"
  29
  30 #include "support/lstrings.h"
  31
  32
  33 using lyx::docstring;
  34 using lyx::support::prefixIs;
  35
  36 using std::endl;
  37 using std::string;
  38 using std::auto_ptr;
  39 using std::ostream;
  40
  41
  42 namespace {
  43
  44 /* codes used to read/write quotes to LyX files
  45  * e    ``english''
  46  * s    ''spanish''
  47  * g    ,,german``
  48  * p    ,,polish''
  49  * f    <<french>>
  50  * a    >>danish<<
  51  */
  52
  53 char const * const language_char = "esgpfa";
  54 char const * const side_char = "lr" ;
  55 char const * const times_char = "sd";
  56
  57 // List of known quote chars
  58 char const * const quote_char = ",'`<>";
  59
  60 // Index of chars used for the quote. Index is [side, language]
  61 int quote_index[2][6] = {
  62         { 2, 1, 0, 0, 3, 4 },    // "'',,<>"
  63         { 1, 1, 2, 1, 4, 3 } };  // "`'`'><"
  64
  65 // Corresponding LaTeX code, for double and single quotes.
  66 char const * const latex_quote_t1[2][5] =
  67 { { "\\quotesinglbase ",  "'", "`",
  68     "\\guilsinglleft{}", "\\guilsinglright{}" },
  69   { ",,", "''", "``", "<<", ">>" } };
  70
  71 char const * const latex_quote_ot1[2][5] =
  72 { { "\\quotesinglbase ",  "'", "`",
  73     "\\guilsinglleft{}", "\\guilsinglright{}" },
  74   { "\\quotedblbase ", "''", "``",
  75     "\\guillemotleft{}", "\\guillemotright{}" } };
  76
  77 char const * const latex_quote_babel[2][5] =
  78 { { "\\glq ",  "'", "`", "\\flq{}", "\\frq{}" },
  79   { "\\glqq ", "''", "``", "\\flqq{}", "\\frqq{}" } };
  80
  81 } // namespace anon
  82
  83
  84 InsetQuotes::InsetQuotes(string const & str)
  85 {
  86         parseString(str);
  87 }
  88
  89
  90 InsetQuotes::InsetQuotes(quote_language l, quote_side s, quote_times t)
  91         : language_(l), side_(s), times_(t)
  92 {}
  93
  94
  95 InsetQuotes::InsetQuotes(lyx::char_type c, BufferParams const & params)
  96         : language_(params.quotes_language), times_(params.quotes_times)
  97 {
  98         getPosition(c);
  99 }
 100
 101
 102 InsetQuotes::InsetQuotes(lyx::char_type c, quote_language l, quote_times t)
 103         : language_(l), times_(t)
 104 {
 105         getPosition(c);
 106 }
 107
 108
 109 void InsetQuotes::getPosition(lyx::char_type c)
 110 {
 111         // Decide whether left or right
 112         switch (c) {
 113         case ' ': case '(': case '[':
 114                 side_ = LeftQ;   // left quote
 115                 break;
 116         default:
 117                 side_ = RightQ;  // right quote
 118         }
 119 }
 120
 121
 122 void InsetQuotes::parseString(string const & s)
 123 {
 124         string str(s);
 125         if (str.length() != 3) {
 126                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 127                         " bad string length." << endl;
 128                 str = "eld";
 129         }
 130
 131         int i;
 132
 133         for (i = 0; i < 6; ++i) {
 134                 if (str[0] == language_char[i]) {
 135                         language_ = quote_language(i);
 136                         break;
 137                 }
 138         }
 139         if (i >= 6) {
 140                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 141                         " bad language specification." << endl;
 142                 language_ = EnglishQ;
 143         }
 144
 145         for (i = 0; i < 2; ++i) {
 146                 if (str[1] == side_char[i]) {
 147                         side_ = quote_side(i);
 148                         break;
 149                 }
 150         }
 151         if (i >= 2) {
 152                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 153                         " bad side specification." << endl;
 154                 side_ = LeftQ;
 155         }
 156
 157         for (i = 0; i < 2; ++i) {
 158                 if (str[2] == times_char[i]) {
 159                         times_ = quote_times(i);
 160                         break;
 161                 }
 162         }
 163         if (i >= 2) {
 164                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 165                         " bad times specification." << endl;
 166                 times_ = DoubleQ;
 167         }
 168 }
 169
 170
 171 string const InsetQuotes::dispString(Language const * loclang) const
 172 {
 173         string disp;
 174         disp += quote_char[quote_index[side_][language_]];
 175         if (times_ == DoubleQ)
 176                 disp += disp;
 177
 178         if (lyxrc.font_norm_type == LyXRC::ISO_8859_1
 179             || lyxrc.font_norm_type == LyXRC::ISO_8859_9
 180             || lyxrc.font_norm_type == LyXRC::ISO_8859_15) {
 181                 if (disp == "<<")
 182                         disp = '«';
 183                 else if (disp == ">>")
 184                         disp = '»';
 185         }
 186
 187         // in french, spaces are added inside double quotes
 188         if (times_ == DoubleQ && prefixIs(loclang->code(), "fr")) {
 189                 if (side_ == LeftQ)
 190                         disp += ' ';
 191                 else
 192                         disp.insert(string::size_type(0), 1, ' ');
 193         }
 194
 195         return disp;
 196 }
 197
 198
 199 void InsetQuotes::metrics(MetricsInfo & mi, Dimension & dim) const
 200 {
 201         LyXFont & font = mi.base.font;
 202         dim.asc = font_metrics::maxAscent(font);
 203         dim.des = font_metrics::maxDescent(font);
 204         dim.wid = 0;
 205
 206         string const text = dispString(font.language());
 207         for (string::size_type i = 0; i < text.length(); ++i) {
 208                 if (text[i] == ' ')
 209                         dim.wid += font_metrics::width('i', font);
 210                 else if (i == 0 || text[i] != text[i - 1])
 211                         dim.wid += font_metrics::width(text[i], font);
 212                 else
 213                         dim.wid += font_metrics::width(',', font);
 214         }
 215         dim_ = dim;
 216 }
 217
 218
 219 #if 0
 220 LyXFont const InsetQuotes::convertFont(LyXFont const & f) const
 221 {
 222 #if 1
 223         return f;
 224 #else
 225         LyXFont font(f);
 226         return font;
 227 #endif
 228 }
 229 #endif
 230
 231
 232 void InsetQuotes::draw(PainterInfo & pi, int x, int y) const
 233 {
 234         string const text = dispString(pi.base.font.language());
 235
 236         if (text.length() == 2 && text[0] == text[1]) {
 237                 pi.pain.text(x, y, text[0], pi.base.font);
 238                 int const t = font_metrics::width(',', pi.base.font);
 239                 pi.pain.text(x + t, y, text[0], pi.base.font);
 240         } else {
 241                 docstring dtext(text.begin(), text.end());
 242                 pi.pain.text(x, y, dtext, pi.base.font);
 243         }
 244 }
 245
 246
 247 void InsetQuotes::write(Buffer const &, ostream & os) const
 248 {
 249         string text;
 250         text += language_char[language_];
 251         text += side_char[side_];
 252         text += times_char[times_];
 253         os << "Quotes " << text;
 254 }
 255
 256
 257 void InsetQuotes::read(Buffer const &, LyXLex & lex)
 258 {
 259         lex.next();
 260         parseString(lex.getString());
 261         lex.next();
 262         if (lex.getString() != "\\end_inset") {
 263                 lex.printError("Missing \\end_inset at this point");
 264         }
 265 }
 266
 267
 268 int InsetQuotes::latex(Buffer const &, ostream & os,
 269                        OutputParams const & runparams) const
 270 {
 271         const int quoteind = quote_index[side_][language_];
 272         string qstr;
 273
 274         if (language_ == FrenchQ && times_ == DoubleQ
 275             && prefixIs(runparams.local_font->language()->code(), "fr")) {
 276                 if (side_ == LeftQ)
 277                         qstr = "\\og "; //the spaces are important here
 278                 else
 279                         qstr = " \\fg{}"; //and here
 280         } else if (lyxrc.fontenc == "T1") {
 281                 qstr = latex_quote_t1[times_][quoteind];
 282 #ifdef DO_USE_DEFAULT_LANGUAGE
 283         } else if (doclang == "default") {
 284 #else
 285         } else if (!runparams.use_babel) {
 286 #endif
 287                 qstr = latex_quote_ot1[times_][quoteind];
 288         } else {
 289                 qstr = latex_quote_babel[times_][quoteind];
 290         }
 291
 292         // Always guard against unfortunate ligatures (!` ?`)
 293         if (prefixIs(qstr, "`"))
 294                 qstr.insert(0, "{}");
 295
 296         os << qstr;
 297         return 0;
 298 }
 299
 300
 301 int InsetQuotes::plaintext(Buffer const &, ostream & os,
 302                        OutputParams const &) const
 303 {
 304         os << '"';
 305         return 0;
 306 }
 307
 308
 309 int InsetQuotes::docbook(Buffer const &, ostream & os,
 310                          OutputParams const &) const
 311 {
 312         if (times_ == DoubleQ) {
 313                 if (side_ == LeftQ)
 314                         os << "&ldquo;";
 315                 else
 316                         os << "&rdquo;";
 317         } else {
 318                 if (side_ == LeftQ)
 319                         os << "&lsquo;";
 320                 else
 321                         os << "&rsquo;";
 322         }
 323         return 0;
 324 }
 325
 326
 327 int InsetQuotes::textString(Buffer const & buf, ostream & os,
 328                        OutputParams const & op) const
 329 {
 330         return plaintext(buf, os, op);
 331 }
 332
 333
 334 void InsetQuotes::validate(LaTeXFeatures & features) const
 335 {
 336         bool const use_babel = features.useBabel();
 337         char type = quote_char[quote_index[side_][language_]];
 338
 339 #ifdef DO_USE_DEFAULT_LANGUAGE
 340         if (features.bufferParams().language->lang() == "default"
 341 #else
 342         if (!use_babel
 343 #endif
 344             && lyxrc.fontenc != "T1") {
 345                 if (times_ == SingleQ)
 346                         switch (type) {
 347                                 case ',': features.require("quotesinglbase");  break;
 348                         case '<': features.require("guilsinglleft");  break;
 349                         case '>': features.require("guilsinglright"); break;
 350                         default: break;
 351                         }
 352                 else
 353                         switch (type) {
 354                         case ',': features.require("quotedblbase");   break;
 355                         case '<': features.require("guillemotleft");  break;
 356                         case '>': features.require("guillemotright"); break;
 357                         default: break;
 358                         }
 359         }
 360 }
 361
 362
 363 auto_ptr<InsetBase> InsetQuotes::doClone() const
 364 {
 365         return auto_ptr<InsetBase>(new InsetQuotes(language_, side_, times_));
 366 }
 367
 368
 369 InsetBase::Code InsetQuotes::lyxCode() const
 370 {
 371   return InsetBase::QUOTE_CODE;
 372 }