src/insets/insetquotes.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-1999 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "insetquotes.h"
  18 #include "support/lyxlib.h"
  19 #include "debug.h"
  20 #include "lyxfont.h"
  21 #include "lyxrc.h"
  22 #include "buffer.h"
  23 #include "LaTeXFeatures.h"
  24 #include "support/lstrings.h"
  25 #include "Painter.h"
  26
  27 // Quotes. Used for the various quotes. German, English, French,
  28 // Danish, Polish, all either double or single.
  29
  30 extern LyXRC * lyxrc;
  31 extern BufferView * current_view;
  32
  33 // codes used to read/write quotes to LyX files
  34 static char const * const language_char = "esgpfa";
  35 static char const * const side_char = "lr" ;
  36 static char const * const times_char = "sd";
  37
  38 // List of known quote chars
  39 static char const * const quote_char = ",'`<>";
  40
  41 // Index of chars used for the quote. Index is [side, language]
  42 int quote_index[2][6] = {
  43         { 2, 1, 0, 0, 3, 4 },    // "'',,<>"
  44         { 1, 1, 2, 1, 4, 3 } };  // "`'`'><"
  45
  46 // Corresponding LaTeX code, for double and single quotes.
  47 static char const * const latex_quote_t1[2][5] =
  48 { { "\\quotesinglbase{}",  "'", "`",
  49     "\\guilsinglleft{}", "\\guilsinglright{}" },
  50   { ",,", "''", "``", "<<", ">>" } };
  51
  52 static char const * const latex_quote_ot1[2][5] =
  53 { { "\\quotesinglbase{}",  "'", "`",
  54     "\\guilsinglleft{}", "\\guilsinglright{}" },
  55   { "\\quotedblbase{}", "''", "``",
  56     "\\guillemotleft{}", "\\guillemotright{}" } };
  57
  58 static char const * const latex_quote_babel[2][5] =
  59 { { "\\glq{}",  "'", "`", "\\flq{}", "\\frq{}" },
  60   { "\\glqq{}", "''", "``", "\\flqq{}", "\\frqq{}" } };
  61
  62
  63 InsetQuotes::InsetQuotes(string const & str)
  64 {
  65         ParseString(str);
  66 }
  67
  68
  69 InsetQuotes::InsetQuotes(InsetQuotes::quote_language l,
  70                          InsetQuotes::quote_side s,
  71                          InsetQuotes::quote_times t)
  72         : language(l), side(s), times(t)
  73 {
  74 }
  75
  76
  77 InsetQuotes::InsetQuotes(char c, BufferParams const & params)
  78         : language(params.quotes_language), times(params.quotes_times)
  79 {
  80         // Decide whether left or right
  81         switch(c) {
  82         case ' ': case '(': case '{': case '[': case '-': case ':':
  83         case LyXParagraph::META_HFILL:
  84         case LyXParagraph::META_PROTECTED_SEPARATOR:
  85         case LyXParagraph::META_NEWLINE:
  86                 side = InsetQuotes::LeftQ;   // left quote
  87                 break;
  88         default:
  89                 side = InsetQuotes::RightQ;  // right quote
  90         }
  91 }
  92
  93
  94 void InsetQuotes::ParseString(string const & s)
  95 {
  96         int i;
  97         string str(s);
  98         if (str.length() != 3) {
  99                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 100                         " bad string length." << endl;
 101                 str = "eld";
 102         }
 103
 104         for (i = 0; i < 6; ++i) {
 105                 if (str[0] == language_char[i]) {
 106                         language = InsetQuotes::quote_language(i);
 107                         break;
 108                 }
 109         }
 110         if (i >= 6) {
 111                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 112                         " bad language specification." << endl;
 113                 language = InsetQuotes::EnglishQ;
 114         }
 115
 116         for (i = 0; i < 2; ++i) {
 117                 if (str[1] == side_char[i]) {
 118                         side = InsetQuotes::quote_side(i);
 119                         break;
 120                 }
 121         }
 122         if (i >= 2) {
 123                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 124                         " bad side specification." << endl;
 125                 side = InsetQuotes::LeftQ;
 126         }
 127
 128         for (i = 0; i < 2; ++i) {
 129                 if (str[2] == times_char[i]) {
 130                         times = InsetQuotes::quote_times(i);
 131                         break;
 132                 }
 133         }
 134         if (i >= 2) {
 135                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 136                         " bad times specification." << endl;
 137                 times = InsetQuotes::DoubleQ;
 138         }
 139 }
 140
 141
 142 string InsetQuotes::DispString() const
 143 {
 144         string disp;
 145         disp += quote_char[quote_index[side][language]];
 146         if (times == InsetQuotes::DoubleQ)
 147                 disp += disp;
 148
 149         if (lyxrc->font_norm == "iso8859-1")
 150                 if (disp == "<<")
 151                         disp = '«';
 152                 else if (disp == ">>")
 153                         disp = '»';
 154
 155         return disp;
 156 }
 157
 158
 159 int InsetQuotes::ascent(Painter &, LyXFont const & font) const
 160 {
 161         return font.maxAscent();
 162 }
 163
 164
 165 int InsetQuotes::descent(Painter &, LyXFont const & font) const
 166 {
 167         return font.maxDescent();
 168 }
 169
 170
 171 int InsetQuotes::width(Painter &, LyXFont const & font) const
 172 {
 173         string text = DispString();
 174         int w = 0;
 175
 176         for (string::size_type i = 0; i < text.length(); ++i) {
 177                 if (text[i] == ' ')
 178                         w += font.width('i');
 179                 else if (i == 0 || text[i] != text[i-1])
 180                         w += font.width(text[i]);
 181                 else
 182                         w += font.width(',');
 183         }
 184
 185         return w;
 186 }
 187
 188
 189 LyXFont InsetQuotes::ConvertFont(LyXFont font)
 190 {
 191         /* quotes-insets cannot be latex of any kind */
 192         font.setLatex(LyXFont::OFF);
 193         return font;
 194 }
 195
 196
 197 void InsetQuotes::draw(Painter & pain, LyXFont const & font,
 198                        int baseline, float & x) const
 199 {
 200         string text = DispString();
 201
 202         pain.text(int(x), baseline, text, font);
 203         x += width(pain, font);
 204 }
 205
 206
 207 void InsetQuotes::Write(ostream & os) const
 208 {
 209         string text;
 210         text += language_char[language];
 211         text += side_char[side];
 212         text += times_char[times];
 213         os << "Quotes " << text;
 214 }
 215
 216
 217 void InsetQuotes::Read(LyXLex & lex)
 218 {
 219         lex.nextToken();
 220         ParseString(lex.GetString());
 221 }
 222
 223
 224 int InsetQuotes::Latex(ostream & os, signed char /*fragile*/) const
 225 {
 226         string quote;
 227         int res = Latex(quote, 0);
 228         os << quote;
 229         return res;
 230 }
 231
 232
 233 int InsetQuotes::Latex(string & file, signed char /*fragile*/) const
 234 {
 235         string doclang =
 236                 current_view->buffer()->GetLanguage();
 237         int quoteind = quote_index[side][language];
 238         string qstr;
 239
 240         if (lyxrc->fontenc == "T1") {
 241                 qstr = latex_quote_t1[times][quoteind];
 242         }
 243         else if (doclang == "default") {
 244                 qstr = latex_quote_ot1[times][quoteind];
 245         }
 246         else if (language == InsetQuotes::FrenchQ
 247                  && times == InsetQuotes::DoubleQ
 248                  && doclang == "frenchb") {
 249                 if (side == InsetQuotes::LeftQ)
 250                         qstr = "\\og{}";
 251                 else
 252                         qstr = " \\fg{}";
 253         }
 254         else
 255                 qstr = latex_quote_babel[times][quoteind];
 256
 257         // protect against !` and ?` ligatures.
 258         if ((suffixIs(file, '?') || suffixIs(file, '!'))
 259             && qstr[0] == '`')
 260                 qstr = "{}" + qstr;
 261
 262         file += qstr;
 263         return 0;
 264 }
 265
 266
 267 int InsetQuotes::Linuxdoc(string & file) const
 268 {
 269         file += "\"";
 270
 271         return 0;
 272 }
 273
 274
 275 int InsetQuotes::DocBook(string & file) const
 276 {
 277         if(times == InsetQuotes::DoubleQ) {
 278                 if (side == InsetQuotes::LeftQ)
 279                         file += "&ldquo;";
 280                 else
 281                         file += "&rdquo;";
 282         } else {
 283                 if (side == InsetQuotes::LeftQ)
 284                         file += "&lsquo;";
 285                 else
 286                         file += "&rsquo;";
 287         }
 288         return 0;
 289 }
 290
 291
 292 void InsetQuotes::Validate(LaTeXFeatures & features) const
 293 {
 294         char type = quote_char[quote_index[side][language]];
 295
 296         if (current_view->buffer()->GetLanguage() == "default"
 297             && lyxrc->fontenc != "T1") {
 298                 if (times == InsetQuotes::SingleQ)
 299                         switch (type) {
 300                         case ',': features.quotesinglbase = true; break;
 301                         case '<': features.guilsinglleft = true; break;
 302                         case '>': features.guilsinglright = true; break;
 303                         default: break;
 304                         }
 305                 else
 306                         switch (type) {
 307                         case ',': features.quotedblbase = true; break;
 308                         case '<': features.guillemotleft = true; break;
 309                         case '>': features.guillemotright = true; break;
 310                         default: break;
 311                         }
 312         }
 313 }
 314
 315
 316 Inset * InsetQuotes::Clone() const
 317 {
 318   return new InsetQuotes(language, side, times);
 319 }
 320
 321
 322 Inset::Code InsetQuotes::LyxCode() const
 323 {
 324   return Inset::QUOTE_CODE;
 325 }