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