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 // codes used to read/write quotes to LyX files
  35 static char const * const language_char = "esgpfa";
  36 static char const * const side_char = "lr" ;
  37 static char const * const times_char = "sd";
  38
  39 // List of known quote chars
  40 static char const * const quote_char = ",'`<>";
  41
  42 // Index of chars used for the quote. Index is [side, language]
  43 int quote_index[2][6] = {
  44         { 2, 1, 0, 0, 3, 4 },    // "'',,<>"
  45         { 1, 1, 2, 1, 4, 3 } };  // "`'`'><"
  46
  47 // Corresponding LaTeX code, for double and single quotes.
  48 static char const * const latex_quote_t1[2][5] =
  49 { { "\\quotesinglbase{}",  "'", "`",
  50     "\\guilsinglleft{}", "\\guilsinglright{}" },
  51   { ",,", "''", "``", "<<", ">>" } };
  52
  53 static char const * const latex_quote_ot1[2][5] =
  54 { { "\\quotesinglbase{}",  "'", "`",
  55     "\\guilsinglleft{}", "\\guilsinglright{}" },
  56   { "\\quotedblbase{}", "''", "``",
  57     "\\guillemotleft{}", "\\guillemotright{}" } };
  58
  59 static char const * const latex_quote_babel[2][5] =
  60 { { "\\glq{}",  "'", "`", "\\flq{}", "\\frq{}" },
  61   { "\\glqq{}", "''", "``", "\\flqq{}", "\\frqq{}" } };
  62
  63
  64 InsetQuotes::InsetQuotes(string const & str)
  65 {
  66         ParseString(str);
  67 }
  68
  69
  70 InsetQuotes::InsetQuotes(InsetQuotes::quote_language l,
  71                          InsetQuotes::quote_side s,
  72                          InsetQuotes::quote_times t)
  73         : language(l), side(s), times(t)
  74 {}
  75
  76
  77 InsetQuotes::InsetQuotes(char c, BufferParams const & params)
  78         : language(params.quotes_language), times(params.quotes_times)
  79 {
  80         // Decide whether left or right
  81         switch(c) {
  82         case ' ': case '(': case '{': case '[': case '-': case ':':
  83         case LyXParagraph::META_HFILL:
  84         case LyXParagraph::META_NEWLINE:
  85                 side = InsetQuotes::LeftQ;   // left quote
  86                 break;
  87         default:
  88                 side = InsetQuotes::RightQ;  // right quote
  89         }
  90 }
  91
  92
  93 void InsetQuotes::ParseString(string const & s)
  94 {
  95         string str(s);
  96         if (str.length() != 3) {
  97                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
  98                         " bad string length." << endl;
  99                 str = "eld";
 100         }
 101
 102         int i;
 103
 104         for (i = 0; i < 6; ++i) {
 105                 if (str[0] == language_char[i]) {
 106                         language = InsetQuotes::quote_language(i);
 107                         break;
 108                 }
 109         }
 110         if (i >= 6) {
 111                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 112                         " bad language specification." << endl;
 113                 language = InsetQuotes::EnglishQ;
 114         }
 115
 116         for (i = 0; i < 2; ++i) {
 117                 if (str[1] == side_char[i]) {
 118                         side = InsetQuotes::quote_side(i);
 119                         break;
 120                 }
 121         }
 122         if (i >= 2) {
 123                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 124                         " bad side specification." << endl;
 125                 side = InsetQuotes::LeftQ;
 126         }
 127
 128         for (i = 0; i < 2; ++i) {
 129                 if (str[2] == times_char[i]) {
 130                         times = InsetQuotes::quote_times(i);
 131                         break;
 132                 }
 133         }
 134         if (i >= 2) {
 135                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 136                         " bad times specification." << endl;
 137                 times = InsetQuotes::DoubleQ;
 138         }
 139 }
 140
 141
 142 string const InsetQuotes::DispString() const
 143 {
 144         string disp;
 145         disp += quote_char[quote_index[side][language]];
 146         if (times == InsetQuotes::DoubleQ)
 147                 disp += disp;
 148
 149         if (lyxrc.font_norm_type == LyXRC::ISO_8859_1)
 150                 if (disp == "<<")
 151                         disp = '«';
 152                 else if (disp == ">>")
 153                         disp = '»';
 154
 155         return disp;
 156 }
 157
 158
 159 int InsetQuotes::ascent(BufferView *, LyXFont const & font) const
 160 {
 161         return lyxfont::maxAscent(font);
 162 }
 163
 164
 165 int InsetQuotes::descent(BufferView *, LyXFont const & font) const
 166 {
 167         return lyxfont::maxDescent(font);
 168 }
 169
 170
 171 int InsetQuotes::width(BufferView *, LyXFont const & font) const
 172 {
 173         string text = DispString();
 174         int w = 0;
 175
 176         for (string::size_type i = 0; i < text.length(); ++i) {
 177                 if (text[i] == ' ')
 178                         w += lyxfont::width('i', font);
 179                 else if (i == 0 || text[i] != text[i-1])
 180                         w += lyxfont::width(text[i], font);
 181                 else
 182                         w += lyxfont::width(',', font);
 183         }
 184
 185         return w;
 186 }
 187
 188
 189 LyXFont const InsetQuotes::ConvertFont(LyXFont const & f) const
 190 {
 191         LyXFont font(f);
 192         // quotes-insets cannot be latex of any kind
 193         font.setLatex(LyXFont::OFF);
 194         return font;
 195 }
 196
 197
 198 void InsetQuotes::draw(BufferView * bv, LyXFont const & font,
 199                        int baseline, float & x, bool) const
 200 {
 201         string text = DispString();
 202
 203         bv->painter().text(int(x), baseline, text, font);
 204         x += width(bv, font);
 205 }
 206
 207
 208 void InsetQuotes::Write(Buffer const *, ostream & os) const
 209 {
 210         string text;
 211         text += language_char[language];
 212         text += side_char[side];
 213         text += times_char[times];
 214         os << "Quotes " << text;
 215 }
 216
 217
 218 void InsetQuotes::Read(Buffer const *, LyXLex & lex)
 219 {
 220         lex.nextToken();
 221         ParseString(lex.GetString());
 222         lex.next();
 223         string tmp(lex.GetString());
 224         if (tmp != "\\end_inset")
 225                 lyxerr << "LyX Warning: Missing \\end_inset "
 226                         "in InsetQuotes::Read." << endl;
 227 }
 228
 229
 230 int InsetQuotes::Latex(Buffer const * buf, ostream & os,
 231                        bool /*fragile*/, bool) const
 232 {
 233         string doclang = buf->GetLanguage()->lang();
 234         int quoteind = quote_index[side][language];
 235         string qstr;
 236
 237         if (lyxrc.fontenc == "T1") {
 238                 qstr = latex_quote_t1[times][quoteind];
 239         } else if (doclang == "default") {
 240                 qstr = latex_quote_ot1[times][quoteind];
 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         } else
 249                 qstr = latex_quote_babel[times][quoteind];
 250
 251         // Always guard against unfortunate ligatures (!` ?`)
 252         qstr.insert(0, "{}");
 253
 254         os << qstr;
 255         return 0;
 256 }
 257
 258
 259 int InsetQuotes::Ascii(Buffer const *, ostream & os, int) const
 260 {
 261         os << "\"";
 262         return 0;
 263 }
 264
 265
 266 int InsetQuotes::Linuxdoc(Buffer const *, ostream & os) const
 267 {
 268         os << "\"";
 269         return 0;
 270 }
 271
 272
 273 int InsetQuotes::DocBook(Buffer const *, ostream & os) const
 274 {
 275         if(times == InsetQuotes::DoubleQ) {
 276                 if (side == InsetQuotes::LeftQ)
 277                         os << "&ldquo;";
 278                 else
 279                         os << "&rdquo;";
 280         } else {
 281                 if (side == InsetQuotes::LeftQ)
 282                         os << "&lsquo;";
 283                 else
 284                         os << "&rsquo;";
 285         }
 286         return 0;
 287 }
 288
 289
 290 void InsetQuotes::Validate(LaTeXFeatures & features) const
 291 {
 292         char type = quote_char[quote_index[side][language]];
 293
 294         if (features.bufferParams().language->lang() == "default"
 295             && lyxrc.fontenc != "T1") {
 296                 if (times == InsetQuotes::SingleQ)
 297                         switch (type) {
 298                         case ',': features.quotesinglbase = true; break;
 299                         case '<': features.guilsinglleft = true; break;
 300                         case '>': features.guilsinglright = true; break;
 301                         default: break;
 302                         }
 303                 else
 304                         switch (type) {
 305                         case ',': features.quotedblbase = true; break;
 306                         case '<': features.guillemotleft = true; break;
 307                         case '>': features.guillemotright = true; break;
 308                         default: break;
 309                         }
 310         }
 311 }
 312
 313
 314 Inset * InsetQuotes::Clone(Buffer const &) const
 315 {
 316   return new InsetQuotes(language, side, times);
 317 }
 318
 319
 320 Inset::Code InsetQuotes::LyxCode() const
 321 {
 322   return Inset::QUOTE_CODE;
 323 }