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 1995-2001 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 #include "language.h"
  28
  29 using std::ostream;
  30 using std::endl;
  31
  32 // Quotes. Used for the various quotes. German, English, French,
  33 // Danish, Polish, all either double or single.
  34
  35 namespace {
  36
  37 // codes used to read/write quotes to LyX files
  38 char const * const language_char = "esgpfa";
  39 char const * const side_char = "lr" ;
  40 char const * const times_char = "sd";
  41
  42 // List of known quote chars
  43 char const * const quote_char = ",'`<>";
  44
  45 // Index of chars used for the quote. Index is [side, language]
  46 int quote_index[2][6] = {
  47         { 2, 1, 0, 0, 3, 4 },    // "'',,<>"
  48         { 1, 1, 2, 1, 4, 3 } };  // "`'`'><"
  49
  50 // Corresponding LaTeX code, for double and single quotes.
  51 char const * const latex_quote_t1[2][5] =
  52 { { "\\quotesinglbase{}",  "'", "`",
  53     "\\guilsinglleft{}", "\\guilsinglright{}" },
  54   { ",,", "''", "``", "<<", ">>" } };
  55
  56 char const * const latex_quote_ot1[2][5] =
  57 { { "\\quotesinglbase{}",  "'", "`",
  58     "\\guilsinglleft{}", "\\guilsinglright{}" },
  59   { "\\quotedblbase{}", "''", "``",
  60     "\\guillemotleft{}", "\\guillemotright{}" } };
  61
  62 char const * const latex_quote_babel[2][5] =
  63 { { "\\glq{}",  "'", "`", "\\flq{}", "\\frq{}" },
  64   { "\\glqq{}", "''", "``", "\\flqq{}", "\\frqq{}" } };
  65
  66 } // namespace anon
  67
  68
  69 InsetQuotes::InsetQuotes(string const & str)
  70 {
  71         ParseString(str);
  72 }
  73
  74
  75 InsetQuotes::InsetQuotes(InsetQuotes::quote_language l,
  76                          InsetQuotes::quote_side s,
  77                          InsetQuotes::quote_times t)
  78         : language(l), side(s), times(t)
  79 {}
  80
  81
  82 InsetQuotes::InsetQuotes(char c, BufferParams const & params)
  83         : language(params.quotes_language), times(params.quotes_times)
  84 {
  85         // Decide whether left or right
  86         switch (c) {
  87         case ' ': case '(': case '{': case '[': case '-': case ':':
  88         case LyXParagraph::META_HFILL:
  89         case LyXParagraph::META_NEWLINE:
  90                 side = InsetQuotes::LeftQ;   // left quote
  91                 break;
  92         default:
  93                 side = InsetQuotes::RightQ;  // right quote
  94         }
  95 }
  96
  97
  98 void InsetQuotes::ParseString(string const & s)
  99 {
 100         string str(s);
 101         if (str.length() != 3) {
 102                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 103                         " bad string length." << endl;
 104                 str = "eld";
 105         }
 106
 107         int i;
 108
 109         for (i = 0; i < 6; ++i) {
 110                 if (str[0] == language_char[i]) {
 111                         language = InsetQuotes::quote_language(i);
 112                         break;
 113                 }
 114         }
 115         if (i >= 6) {
 116                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 117                         " bad language specification." << endl;
 118                 language = InsetQuotes::EnglishQ;
 119         }
 120
 121         for (i = 0; i < 2; ++i) {
 122                 if (str[1] == side_char[i]) {
 123                         side = InsetQuotes::quote_side(i);
 124                         break;
 125                 }
 126         }
 127         if (i >= 2) {
 128                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 129                         " bad side specification." << endl;
 130                 side = InsetQuotes::LeftQ;
 131         }
 132
 133         for (i = 0; i < 2; ++i) {
 134                 if (str[2] == times_char[i]) {
 135                         times = InsetQuotes::quote_times(i);
 136                         break;
 137                 }
 138         }
 139         if (i >= 2) {
 140                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 141                         " bad times specification." << endl;
 142                 times = InsetQuotes::DoubleQ;
 143         }
 144 }
 145
 146
 147 string const InsetQuotes::DispString() const
 148 {
 149         string disp;
 150         disp += quote_char[quote_index[side][language]];
 151         if (times == InsetQuotes::DoubleQ)
 152                 disp += disp;
 153
 154         if (lyxrc.font_norm_type == LyXRC::ISO_8859_1)
 155                 if (disp == "<<")
 156                         disp = '«';
 157                 else if (disp == ">>")
 158                         disp = '»';
 159
 160         return disp;
 161 }
 162
 163
 164 int InsetQuotes::ascent(BufferView *, LyXFont const & font) const
 165 {
 166         return lyxfont::maxAscent(font);
 167 }
 168
 169
 170 int InsetQuotes::descent(BufferView *, LyXFont const & font) const
 171 {
 172         return lyxfont::maxDescent(font);
 173 }
 174
 175
 176 int InsetQuotes::width(BufferView *, LyXFont const & font) const
 177 {
 178         string text = DispString();
 179         int w = 0;
 180
 181         for (string::size_type i = 0; i < text.length(); ++i) {
 182                 if (text[i] == ' ')
 183                         w += lyxfont::width('i', font);
 184                 else if (i == 0 || text[i] != text[i-1])
 185                         w += lyxfont::width(text[i], font);
 186                 else
 187                         w += lyxfont::width(',', font);
 188         }
 189
 190         return w;
 191 }
 192
 193
 194 LyXFont const InsetQuotes::ConvertFont(LyXFont const & f) const
 195 {
 196         LyXFont font(f);
 197         // quotes-insets cannot be latex of any kind
 198         font.setLatex(LyXFont::OFF);
 199         return font;
 200 }
 201
 202
 203 void InsetQuotes::draw(BufferView * bv, LyXFont const & font,
 204                        int baseline, float & x, bool) const
 205 {
 206         string text = DispString();
 207
 208         bv->painter().text(int(x), baseline, text, font);
 209         x += width(bv, font);
 210 }
 211
 212
 213 void InsetQuotes::Write(Buffer const *, ostream & os) const
 214 {
 215         string text;
 216         text += language_char[language];
 217         text += side_char[side];
 218         text += times_char[times];
 219         os << "Quotes " << text;
 220 }
 221
 222
 223 void InsetQuotes::Read(Buffer const *, LyXLex & lex)
 224 {
 225         lex.nextToken();
 226         ParseString(lex.GetString());
 227         lex.next();
 228         string tmp(lex.GetString());
 229         if (tmp != "\\end_inset")
 230                 lyxerr << "LyX Warning: Missing \\end_inset "
 231                         "in InsetQuotes::Read." << endl;
 232 }
 233
 234
 235 extern bool use_babel;
 236
 237 int InsetQuotes::Latex(Buffer const * buf, ostream & os,
 238                        bool /*fragile*/, bool) const
 239 {
 240         string const doclang = buf->GetLanguage()->lang();
 241         int quoteind = quote_index[side][language];
 242         string qstr;
 243
 244         if (lyxrc.fontenc == "T1") {
 245                 qstr = latex_quote_t1[times][quoteind];
 246 #ifdef DO_USE_DEFAULT_LANGUAGE
 247         } else if (doclang == "default") {
 248 #else
 249         } else if (!use_babel) {
 250 #endif
 251                 qstr = latex_quote_ot1[times][quoteind];
 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         } else
 260                 qstr = latex_quote_babel[times][quoteind];
 261
 262         // Always guard against unfortunate ligatures (!` ?`)
 263         if (prefixIs(qstr, "`"))
 264                 qstr.insert(0, "{}");
 265
 266         os << qstr;
 267         return 0;
 268 }
 269
 270
 271 int InsetQuotes::Ascii(Buffer const *, ostream & os, int) const
 272 {
 273         os << "\"";
 274         return 0;
 275 }
 276
 277
 278 int InsetQuotes::Linuxdoc(Buffer const *, ostream & os) const
 279 {
 280         os << "\"";
 281         return 0;
 282 }
 283
 284
 285 int InsetQuotes::DocBook(Buffer const *, ostream & os) const
 286 {
 287         if (times == InsetQuotes::DoubleQ) {
 288                 if (side == InsetQuotes::LeftQ)
 289                         os << "&ldquo;";
 290                 else
 291                         os << "&rdquo;";
 292         } else {
 293                 if (side == InsetQuotes::LeftQ)
 294                         os << "&lsquo;";
 295                 else
 296                         os << "&rsquo;";
 297         }
 298         return 0;
 299 }
 300
 301
 302 void InsetQuotes::Validate(LaTeXFeatures & features) const
 303 {
 304         char type = quote_char[quote_index[side][language]];
 305
 306         if (features.bufferParams().language->lang() == "default"
 307             && lyxrc.fontenc != "T1") {
 308                 if (times == InsetQuotes::SingleQ)
 309                         switch (type) {
 310                         case ',': features.quotesinglbase = true; break;
 311                         case '<': features.guilsinglleft = true; break;
 312                         case '>': features.guilsinglright = true; break;
 313                         default: break;
 314                         }
 315                 else
 316                         switch (type) {
 317                         case ',': features.quotedblbase = true; break;
 318                         case '<': features.guillemotleft = true; break;
 319                         case '>': features.guillemotright = true; break;
 320                         default: break;
 321                         }
 322         }
 323 }
 324
 325
 326 Inset * InsetQuotes::Clone(Buffer const &) const
 327 {
 328   return new InsetQuotes(language, side, times);
 329 }
 330
 331
 332 Inset::Code InsetQuotes::LyxCode() const
 333 {
 334   return Inset::QUOTE_CODE;
 335 }