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 "error.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 InsetQuotes::InsetQuotes(InsetQuotes::quote_language l,
  68                          InsetQuotes::quote_side s,
  69                          InsetQuotes::quote_times t)
  70         : language(l), side(s), times(t)
  71 {
  72 }
  73
  74
  75 InsetQuotes::InsetQuotes(char c, BufferParams const & params)
  76         : language(params.quotes_language), times(params.quotes_times)
  77 {
  78         // Decide whether left or right
  79         switch(c) {
  80         case ' ': case '(': case '{': case '[': case '-': case ':':
  81         case LYX_META_HFILL: case LYX_META_PROTECTED_SEPARATOR:
  82         case LYX_META_NEWLINE:
  83                 side = InsetQuotes::LeftQ;   // left quote
  84                 break;
  85         default:
  86                 side = InsetQuotes::RightQ;  // right quote
  87         }
  88 }
  89
  90
  91 void InsetQuotes::ParseString(string str)
  92 {
  93         int i;
  94         if (str.length() != 3) {
  95                 lyxerr.print("ERROR (InsetQuotes::InsetQuotes):"
  96                               " bad string length.");
  97                 str = "eld";
  98         }
  99
 100         for (i=0;i<6;i++) {
 101                 if (str[0] == language_char[i]) {
 102                         language = (InsetQuotes::quote_language)i;
 103                         break;
 104                 }
 105         }
 106         if (i>=6) {
 107                 lyxerr.print("ERROR (InsetQuotes::InsetQuotes):"
 108                               " bad language specification.");
 109                 language = InsetQuotes::EnglishQ;
 110         }
 111
 112         for (i=0;i<2;i++) {
 113                 if (str[1] == side_char[i]) {
 114                         side = (InsetQuotes::quote_side)i;
 115                         break;
 116                 }
 117         }
 118         if (i>=2) {
 119                 lyxerr.print("ERROR (InsetQuotes::InsetQuotes):"
 120                               " bad side specification.");
 121                 side = InsetQuotes::LeftQ;
 122         }
 123
 124         for (i=0;i<2;i++) {
 125                 if (str[2] == times_char[i]) {
 126                         times = (InsetQuotes::quote_times)i;
 127                         break;
 128                 }
 129         }
 130         if (i>=2) {
 131                 lyxerr.print("ERROR (InsetQuotes::InsetQuotes):"
 132                               " bad times specification.");
 133                 times = InsetQuotes::DoubleQ;
 134         }
 135 }
 136
 137 string InsetQuotes::DispString() const
 138 {
 139         string disp;
 140
 141         disp += quote_char[quote_index[side][language]];
 142
 143         if (times == InsetQuotes::DoubleQ)
 144                 disp += disp;
 145
 146         if (lyxrc->font_norm == "iso8859-1")
 147                 if (disp == "<<")
 148                         disp = '«';
 149                 else if (disp == ">>")
 150                         disp = '»';
 151
 152         return disp;
 153 }
 154
 155
 156 int InsetQuotes::Ascent(LyXFont const & font) const
 157 {
 158         return font.maxAscent();
 159 }
 160
 161
 162 int InsetQuotes::Descent(LyXFont const & font) const
 163 {
 164         return font.maxDescent();
 165 }
 166
 167
 168 int InsetQuotes::Width(LyXFont const & font) const
 169 {
 170         string text = DispString();
 171         int w = 0;
 172
 173         for (string::size_type i = 0; i < text.length(); ++i) {
 174                 if (text[i] == ' ')
 175                         w += font.width('i');
 176                 else if (i == 0 || text[i] != text[i-1])
 177                         w += font.width(text[i]);
 178                 else
 179                         w += font.width(',');
 180         }
 181
 182         return w;
 183 }
 184
 185
 186 LyXFont InsetQuotes::ConvertFont(LyXFont font)
 187 {
 188         /* quotes-insets cannot be latex of any kind */
 189         font.setLatex(LyXFont::OFF);
 190         return font;
 191 }
 192
 193
 194 void InsetQuotes::Draw(LyXFont font, LyXScreen & scr,
 195                        int baseline, float & x)
 196 {
 197         string text = DispString();
 198
 199         for (string::size_type i = 0; i < text.length(); ++i) {
 200                 if (text[i] == ' ')
 201                         x += font.width('i');
 202                 else if (i == text.length()-1 || text[i] != text[i+1]) {
 203                         scr.drawString(font, &text[i], baseline, int(x));
 204                         x += font.width(text[i]);
 205                 } else {
 206                         scr.drawString(font, &text[i+1], baseline, int(x));
 207                         x += font.width(',');
 208                 }
 209         }
 210
 211 }
 212
 213
 214 void InsetQuotes::Write(FILE * file)
 215 {
 216         string text;
 217         text += language_char[language];
 218         text += side_char[side];
 219         text += times_char[times];
 220         fprintf(file, "Quotes %s", text.c_str());
 221 }
 222
 223
 224 void InsetQuotes::Read(LyXLex & lex)
 225 {
 226         lex.nextToken();
 227         ParseString(lex.GetString());
 228 }
 229
 230
 231 int InsetQuotes::Latex(FILE * file, signed char /*fragile*/)
 232 {
 233         string quote;
 234         int res = Latex(quote, 0);
 235         fprintf(file, "%s", quote.c_str());
 236         return res;
 237 }
 238
 239 int InsetQuotes::Latex(string & file, signed char /*fragile*/)
 240 {
 241         string doclang =
 242                 current_view->currentBuffer()->GetLanguage();
 243         int quoteind = quote_index[side][language];
 244         string qstr;
 245
 246         if (lyxrc->fontenc == "T1") {
 247                 qstr = latex_quote_t1[times][quoteind];
 248         }
 249         else if (doclang == "default") {
 250                 qstr = latex_quote_ot1[times][quoteind];
 251         }
 252         else if (language == InsetQuotes::FrenchQ
 253                  && times == InsetQuotes::DoubleQ
 254                  && doclang == "frenchb") {
 255                 if (side == InsetQuotes::LeftQ)
 256                         qstr = "\\og{}";
 257                 else
 258                         qstr = " \\fg{}";
 259         }
 260         else
 261                 qstr = latex_quote_babel[times][quoteind];
 262
 263         // protect against !` and ?` ligatures.
 264         if ((suffixIs(file, '?') || suffixIs(file, '!'))
 265             && qstr[0] == '`')
 266                 qstr = "{}" + qstr;
 267
 268         file += qstr;
 269         return 0;
 270 }
 271
 272
 273 int InsetQuotes::Linuxdoc(string & file)
 274 {
 275         file += "\"";
 276
 277         return 0;
 278 }
 279
 280
 281 int InsetQuotes::DocBook(string & file)
 282 {
 283         if(times == InsetQuotes::DoubleQ) {
 284                 if (side == InsetQuotes::LeftQ)
 285                         file += "&ldquo;";
 286                 else
 287                         file += "&rdquo;";
 288         } else {
 289                 if (side == InsetQuotes::LeftQ)
 290                         file += "&lsquo;";
 291                 else
 292                         file += "&rsquo;";
 293         }
 294         return 0;
 295 }
 296
 297
 298 void InsetQuotes::Validate(LaTeXFeatures & features) const
 299 {
 300         char type = quote_char[quote_index[side][language]];
 301
 302         if (current_view->currentBuffer()->GetLanguage() == "default"
 303             && lyxrc->fontenc != "T1") {
 304                 if (times == InsetQuotes::SingleQ)
 305                         switch (type) {
 306                         case ',': features.quotesinglbase = true; break;
 307                         case '<': features.guilsinglleft = true; break;
 308                         case '>': features.guilsinglright = true; break;
 309                         default: break;
 310                         }
 311                 else
 312                         switch (type) {
 313                         case ',': features.quotedblbase = true; break;
 314                         case '<': features.guillemotleft = true; break;
 315                         case '>': features.guillemotright = true; break;
 316                         default: break;
 317                         }
 318         }
 319 }
 320
 321 Inset* InsetQuotes::Clone()
 322 {
 323   return new InsetQuotes(language, side, times);
 324 }
 325
 326
 327 Inset::Code InsetQuotes::LyxCode() const
 328 {
 329   return Inset::QUOTE_CODE;
 330 }