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 namespace {
  35
  36 // codes used to read/write quotes to LyX files
  37 char const * const language_char = "esgpfa";
  38 char const * const side_char = "lr" ;
  39 char const * const times_char = "sd";
  40
  41 // List of known quote chars
  42 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 char const * const latex_quote_t1[2][5] =
  51 { { "\\quotesinglbase{}",  "'", "`",
  52     "\\guilsinglleft{}", "\\guilsinglright{}" },
  53   { ",,", "''", "``", "<<", ">>" } };
  54
  55 char const * const latex_quote_ot1[2][5] =
  56 { { "\\quotesinglbase{}",  "'", "`",
  57     "\\guilsinglleft{}", "\\guilsinglright{}" },
  58   { "\\quotedblbase{}", "''", "``",
  59     "\\guillemotleft{}", "\\guillemotright{}" } };
  60
  61 char const * const latex_quote_babel[2][5] =
  62 { { "\\glq{}",  "'", "`", "\\flq{}", "\\frq{}" },
  63   { "\\glqq{}", "''", "``", "\\flqq{}", "\\frqq{}" } };
  64
  65 } // namespace anon
  66
  67
  68 InsetQuotes::InsetQuotes(string const & str)
  69 {
  70         ParseString(str);
  71 }
  72
  73
  74 InsetQuotes::InsetQuotes(InsetQuotes::quote_language l,
  75                          InsetQuotes::quote_side s,
  76                          InsetQuotes::quote_times t)
  77         : language(l), side(s), times(t)
  78 {}
  79
  80
  81 InsetQuotes::InsetQuotes(char c, BufferParams const & params)
  82         : language(params.quotes_language), times(params.quotes_times)
  83 {
  84         // Decide whether left or right
  85         switch (c) {
  86         case ' ': case '(': case '{': case '[': case '-': case ':':
  87         case LyXParagraph::META_HFILL:
  88         case LyXParagraph::META_NEWLINE:
  89                 side = InsetQuotes::LeftQ;   // left quote
  90                 break;
  91         default:
  92                 side = InsetQuotes::RightQ;  // right quote
  93         }
  94 }
  95
  96
  97 void InsetQuotes::ParseString(string const & s)
  98 {
  99         string str(s);
 100         if (str.length() != 3) {
 101                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 102                         " bad string length." << endl;
 103                 str = "eld";
 104         }
 105
 106         int i;
 107
 108         for (i = 0; i < 6; ++i) {
 109                 if (str[0] == language_char[i]) {
 110                         language = InsetQuotes::quote_language(i);
 111                         break;
 112                 }
 113         }
 114         if (i >= 6) {
 115                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 116                         " bad language specification." << endl;
 117                 language = InsetQuotes::EnglishQ;
 118         }
 119
 120         for (i = 0; i < 2; ++i) {
 121                 if (str[1] == side_char[i]) {
 122                         side = InsetQuotes::quote_side(i);
 123                         break;
 124                 }
 125         }
 126         if (i >= 2) {
 127                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 128                         " bad side specification." << endl;
 129                 side = InsetQuotes::LeftQ;
 130         }
 131
 132         for (i = 0; i < 2; ++i) {
 133                 if (str[2] == times_char[i]) {
 134                         times = InsetQuotes::quote_times(i);
 135                         break;
 136                 }
 137         }
 138         if (i >= 2) {
 139                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 140                         " bad times specification." << endl;
 141                 times = InsetQuotes::DoubleQ;
 142         }
 143 }
 144
 145
 146 string const InsetQuotes::DispString() const
 147 {
 148         string disp;
 149         disp += quote_char[quote_index[side][language]];
 150         if (times == InsetQuotes::DoubleQ)
 151                 disp += disp;
 152
 153         if (lyxrc.font_norm_type == LyXRC::ISO_8859_1)
 154                 if (disp == "<<")
 155                         disp = '«';
 156                 else if (disp == ">>")
 157                         disp = '»';
 158
 159         return disp;
 160 }
 161
 162
 163 int InsetQuotes::ascent(BufferView *, LyXFont const & font) const
 164 {
 165         return lyxfont::maxAscent(font);
 166 }
 167
 168
 169 int InsetQuotes::descent(BufferView *, LyXFont const & font) const
 170 {
 171         return lyxfont::maxDescent(font);
 172 }
 173
 174
 175 int InsetQuotes::width(BufferView *, LyXFont const & font) const
 176 {
 177         string text = DispString();
 178         int w = 0;
 179
 180         for (string::size_type i = 0; i < text.length(); ++i) {
 181                 if (text[i] == ' ')
 182                         w += lyxfont::width('i', font);
 183                 else if (i == 0 || text[i] != text[i-1])
 184                         w += lyxfont::width(text[i], font);
 185                 else
 186                         w += lyxfont::width(',', font);
 187         }
 188
 189         return w;
 190 }
 191
 192
 193 LyXFont const InsetQuotes::ConvertFont(LyXFont const & f) const
 194 {
 195         LyXFont font(f);
 196         // quotes-insets cannot be latex of any kind
 197         font.setLatex(LyXFont::OFF);
 198         return font;
 199 }
 200
 201
 202 void InsetQuotes::draw(BufferView * bv, LyXFont const & font,
 203                        int baseline, float & x, bool) const
 204 {
 205         string text = DispString();
 206
 207         bv->painter().text(int(x), baseline, text, font);
 208         x += width(bv, font);
 209 }
 210
 211
 212 void InsetQuotes::Write(Buffer const *, ostream & os) const
 213 {
 214         string text;
 215         text += language_char[language];
 216         text += side_char[side];
 217         text += times_char[times];
 218         os << "Quotes " << text;
 219 }
 220
 221
 222 void InsetQuotes::Read(Buffer const *, LyXLex & lex)
 223 {
 224         lex.nextToken();
 225         ParseString(lex.GetString());
 226         lex.next();
 227         string tmp(lex.GetString());
 228         if (tmp != "\\end_inset")
 229                 lyxerr << "LyX Warning: Missing \\end_inset "
 230                         "in InsetQuotes::Read." << endl;
 231 }
 232
 233
 234 extern bool use_babel;
 235
 236 int InsetQuotes::Latex(Buffer const * buf, ostream & os,
 237                        bool /*fragile*/, bool) const
 238 {
 239         string const doclang = buf->GetLanguage()->lang();
 240         int quoteind = quote_index[side][language];
 241         string qstr;
 242
 243         if (lyxrc.fontenc == "T1") {
 244                 qstr = latex_quote_t1[times][quoteind];
 245 #ifdef DO_USE_DEFAULT_LANGUAGE
 246         } else if (doclang == "default") {
 247 #else
 248         } else if (!use_babel) {
 249 #endif
 250                 qstr = latex_quote_ot1[times][quoteind];
 251         } else if (language == InsetQuotes::FrenchQ
 252                  && times == InsetQuotes::DoubleQ
 253                  && doclang == "frenchb") {
 254                 if (side == InsetQuotes::LeftQ)
 255                         qstr = "\\og{}";
 256                 else
 257                         qstr = " \\fg{}";
 258         } else
 259                 qstr = latex_quote_babel[times][quoteind];
 260
 261         // Always guard against unfortunate ligatures (!` ?`)
 262         qstr.insert(0, "{}");
 263
 264         os << qstr;
 265         return 0;
 266 }
 267
 268
 269 int InsetQuotes::Ascii(Buffer const *, ostream & os, int) const
 270 {
 271         os << "\"";
 272         return 0;
 273 }
 274
 275
 276 int InsetQuotes::Linuxdoc(Buffer const *, ostream & os) const
 277 {
 278         os << "\"";
 279         return 0;
 280 }
 281
 282
 283 int InsetQuotes::DocBook(Buffer const *, ostream & os) const
 284 {
 285         if (times == InsetQuotes::DoubleQ) {
 286                 if (side == InsetQuotes::LeftQ)
 287                         os << "&ldquo;";
 288                 else
 289                         os << "&rdquo;";
 290         } else {
 291                 if (side == InsetQuotes::LeftQ)
 292                         os << "&lsquo;";
 293                 else
 294                         os << "&rsquo;";
 295         }
 296         return 0;
 297 }
 298
 299
 300 void InsetQuotes::Validate(LaTeXFeatures & features) const
 301 {
 302         char type = quote_char[quote_index[side][language]];
 303
 304         if (features.bufferParams().language->lang() == "default"
 305             && lyxrc.fontenc != "T1") {
 306                 if (times == InsetQuotes::SingleQ)
 307                         switch (type) {
 308                         case ',': features.quotesinglbase = true; break;
 309                         case '<': features.guilsinglleft = true; break;
 310                         case '>': features.guilsinglright = true; break;
 311                         default: break;
 312                         }
 313                 else
 314                         switch (type) {
 315                         case ',': features.quotedblbase = true; break;
 316                         case '<': features.guillemotleft = true; break;
 317                         case '>': features.guillemotright = true; break;
 318                         default: break;
 319                         }
 320         }
 321 }
 322
 323
 324 Inset * InsetQuotes::Clone(Buffer const &) const
 325 {
 326   return new InsetQuotes(language, side, times);
 327 }
 328
 329
 330 Inset::Code InsetQuotes::LyxCode() const
 331 {
 332   return Inset::QUOTE_CODE;
 333 }