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