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 1995-2000 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 #include "font.h"
  27
  28 using std::ostream;
  29 using std::endl;
  30
  31 // Quotes. Used for the various quotes. German, English, French,
  32 // Danish, Polish, all either double or single.
  33
  34 extern BufferView * current_view;
  35
  36 // codes used to read/write quotes to LyX files
  37 static char const * const language_char = "esgpfa";
  38 static char const * const side_char = "lr" ;
  39 static char const * const times_char = "sd";
  40
  41 // List of known quote chars
  42 static char const * const quote_char = ",'`<>";
  43
  44 // Index of chars used for the quote. Index is [side, language]
  45 int quote_index[2][6] = {
  46         { 2, 1, 0, 0, 3, 4 },    // "'',,<>"
  47         { 1, 1, 2, 1, 4, 3 } };  // "`'`'><"
  48
  49 // Corresponding LaTeX code, for double and single quotes.
  50 static char const * const latex_quote_t1[2][5] =
  51 { { "\\quotesinglbase{}",  "'", "`",
  52     "\\guilsinglleft{}", "\\guilsinglright{}" },
  53   { ",,", "''", "``", "<<", ">>" } };
  54
  55 static char const * const latex_quote_ot1[2][5] =
  56 { { "\\quotesinglbase{}",  "'", "`",
  57     "\\guilsinglleft{}", "\\guilsinglright{}" },
  58   { "\\quotedblbase{}", "''", "``",
  59     "\\guillemotleft{}", "\\guillemotright{}" } };
  60
  61 static char const * const latex_quote_babel[2][5] =
  62 { { "\\glq{}",  "'", "`", "\\flq{}", "\\frq{}" },
  63   { "\\glqq{}", "''", "``", "\\flqq{}", "\\frqq{}" } };
  64
  65
  66 InsetQuotes::InsetQuotes(string const & str)
  67 {
  68         ParseString(str);
  69 }
  70
  71
  72 InsetQuotes::InsetQuotes(InsetQuotes::quote_language l,
  73                          InsetQuotes::quote_side s,
  74                          InsetQuotes::quote_times t)
  75         : language(l), side(s), times(t)
  76 {
  77 }
  78
  79
  80 InsetQuotes::InsetQuotes(char c, BufferParams const & params)
  81         : language(params.quotes_language), times(params.quotes_times)
  82 {
  83         // Decide whether left or right
  84         switch(c) {
  85         case ' ': case '(': case '{': case '[': case '-': case ':':
  86         case LyXParagraph::META_HFILL:
  87         case LyXParagraph::META_NEWLINE:
  88                 side = InsetQuotes::LeftQ;   // left quote
  89                 break;
  90         default:
  91                 side = InsetQuotes::RightQ;  // right quote
  92         }
  93 }
  94
  95
  96 void InsetQuotes::ParseString(string const & s)
  97 {
  98         string str(s);
  99         if (str.length() != 3) {
 100                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 101                         " bad string length." << endl;
 102                 str = "eld";
 103         }
 104
 105         int i;
 106
 107         for (i = 0; i < 6; ++i) {
 108                 if (str[0] == language_char[i]) {
 109                         language = InsetQuotes::quote_language(i);
 110                         break;
 111                 }
 112         }
 113         if (i >= 6) {
 114                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 115                         " bad language specification." << endl;
 116                 language = InsetQuotes::EnglishQ;
 117         }
 118
 119         for (i = 0; i < 2; ++i) {
 120                 if (str[1] == side_char[i]) {
 121                         side = InsetQuotes::quote_side(i);
 122                         break;
 123                 }
 124         }
 125         if (i >= 2) {
 126                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 127                         " bad side specification." << endl;
 128                 side = InsetQuotes::LeftQ;
 129         }
 130
 131         for (i = 0; i < 2; ++i) {
 132                 if (str[2] == times_char[i]) {
 133                         times = InsetQuotes::quote_times(i);
 134                         break;
 135                 }
 136         }
 137         if (i >= 2) {
 138                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 139                         " bad times specification." << endl;
 140                 times = InsetQuotes::DoubleQ;
 141         }
 142 }
 143
 144
 145 string InsetQuotes::DispString() const
 146 {
 147         string disp;
 148         disp += quote_char[quote_index[side][language]];
 149         if (times == InsetQuotes::DoubleQ)
 150                 disp += disp;
 151
 152         if (lyxrc.font_norm == "iso8859-1")
 153                 if (disp == "<<")
 154                         disp = '«';
 155                 else if (disp == ">>")
 156                         disp = '»';
 157
 158         return disp;
 159 }
 160
 161
 162 int InsetQuotes::ascent(Painter &, LyXFont const & font) const
 163 {
 164         return lyxfont::maxAscent(font);
 165 }
 166
 167
 168 int InsetQuotes::descent(Painter &, LyXFont const & font) const
 169 {
 170         return lyxfont::maxDescent(font);
 171 }
 172
 173
 174 int InsetQuotes::width(Painter &, LyXFont const & font) const
 175 {
 176         string text = DispString();
 177         int w = 0;
 178
 179         for (string::size_type i = 0; i < text.length(); ++i) {
 180                 if (text[i] == ' ')
 181                         w += lyxfont::width('i', font);
 182                 else if (i == 0 || text[i] != text[i-1])
 183                         w += lyxfont::width(text[i], font);
 184                 else
 185                         w += lyxfont::width(',', font);
 186         }
 187
 188         return w;
 189 }
 190
 191
 192 LyXFont InsetQuotes::ConvertFont(LyXFont font)
 193 {
 194         /* quotes-insets cannot be latex of any kind */
 195         font.setLatex(LyXFont::OFF);
 196         return font;
 197 }
 198
 199
 200 void InsetQuotes::draw(Painter & pain, LyXFont const & font,
 201                        int baseline, float & x) const
 202 {
 203         string text = DispString();
 204
 205         pain.text(int(x), baseline, text, font);
 206         x += width(pain, font);
 207 }
 208
 209
 210 void InsetQuotes::Write(ostream & os) const
 211 {
 212         string text;
 213         text += language_char[language];
 214         text += side_char[side];
 215         text += times_char[times];
 216         os << "Quotes " << text;
 217 }
 218
 219
 220 void InsetQuotes::Read(LyXLex & lex)
 221 {
 222         lex.nextToken();
 223         ParseString(lex.GetString());
 224 }
 225
 226
 227 int InsetQuotes::Latex(ostream & os, bool /*fragile*/, bool) const
 228 {
 229         string doclang =
 230                 current_view->buffer()->GetLanguage();
 231         int quoteind = quote_index[side][language];
 232         string qstr;
 233
 234         if (lyxrc.fontenc == "T1") {
 235                 qstr = latex_quote_t1[times][quoteind];
 236         }
 237         else if (doclang == "default") {
 238                 qstr = latex_quote_ot1[times][quoteind];
 239         }
 240         else if (language == InsetQuotes::FrenchQ
 241                  && times == InsetQuotes::DoubleQ
 242                  && doclang == "frenchb") {
 243                 if (side == InsetQuotes::LeftQ)
 244                         qstr = "\\og{}";
 245                 else
 246                         qstr = " \\fg{}";
 247         }
 248         else
 249                 qstr = latex_quote_babel[times][quoteind];
 250
 251         // protect against !` and ?` ligatures.
 252         // Is it very bad of us to always protect against those ligatures?
 253         // CHECK
 254 #if 0
 255         if ((suffixIs(file, '?') || suffixIs(file, '!'))
 256             && qstr[0] == '`')
 257                 qstr = "{}" + qstr;
 258 #else
 259         // Always guard against unfortunate ligatures (!` ?`)
 260         qstr.insert(0, "{}");
 261 #endif
 262
 263         os << qstr;
 264         return 0;
 265 }
 266
 267
 268 int InsetQuotes::Ascii(ostream & os) const
 269 {
 270         os << "\"";
 271         return 0;
 272 }
 273
 274
 275 int InsetQuotes::Linuxdoc(ostream & os) const
 276 {
 277         os << "\"";
 278         return 0;
 279 }
 280
 281
 282 int InsetQuotes::DocBook(ostream & os) const
 283 {
 284         if(times == InsetQuotes::DoubleQ) {
 285                 if (side == InsetQuotes::LeftQ)
 286                         os << "&ldquo;";
 287                 else
 288                         os << "&rdquo;";
 289         } else {
 290                 if (side == InsetQuotes::LeftQ)
 291                         os << "&lsquo;";
 292                 else
 293                         os << "&rsquo;";
 294         }
 295         return 0;
 296 }
 297
 298
 299 void InsetQuotes::Validate(LaTeXFeatures & features) const
 300 {
 301         char type = quote_char[quote_index[side][language]];
 302
 303         if (current_view->buffer()->GetLanguage() == "default"
 304             && lyxrc.fontenc != "T1") {
 305                 if (times == InsetQuotes::SingleQ)
 306                         switch (type) {
 307                         case ',': features.quotesinglbase = true; break;
 308                         case '<': features.guilsinglleft = true; break;
 309                         case '>': features.guilsinglright = true; break;
 310                         default: break;
 311                         }
 312                 else
 313                         switch (type) {
 314                         case ',': features.quotedblbase = true; break;
 315                         case '<': features.guillemotleft = true; break;
 316                         case '>': features.guillemotright = true; break;
 317                         default: break;
 318                         }
 319         }
 320 }
 321
 322
 323 Inset * InsetQuotes::Clone() const
 324 {
 325   return new InsetQuotes(language, side, times);
 326 }
 327
 328
 329 Inset::Code InsetQuotes::LyxCode() const
 330 {
 331   return Inset::QUOTE_CODE;
 332 }