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Datei: insetquotes.C Sprache: C

Original von: Lyx^©

/* This file is part of
* ======================================================
*
*           LyX, The Document Processor
*
*     Copyright (C) 1995 Matthias Ettrich
*          Copyright (C) 1995-1998 The LyX Team.
*
*======================================================*/

#include <config.h>

#ifdef __GNUG__
#pragma implementation
#endif

#include "insetquotes.h"
#include "lyxlib.h"
#include "error.h"
#include "lyxfont.h"
#include "lyxrc.h"
#include "buffer.h"
#include "LaTeXFeatures.h"

// $Id: insetquotes.C,v 1.3 1998/10/16 07:54:05 lasgoutt Exp $

#if !defined(lint) && !defined(WITH_WARNINGS)
static char vcid[] = "$Id: insetquotes.C,v 1.3 1998/10/16 07:54:05 lasgoutt Exp $";
#endif /* lint */

// Quotes. Used for the various quotes. German, English, French,
// Danish, Polish, all either double or single.

extern LyXRC *lyxrc;
extern BufferView *current_view;

// codes used to read/write quotes to LyX files
static char const *language_char = "esgpfa";
static char const *side_char = "lr" ;
static char const *times_char ="sd";

// List of known quote chars
static char const *quote_char = ",'`<>";

// Index of chars used for the quote. Index is [side,language]
int quote_index[2][6] =
{ { 2, 1, 0, 0, 3, 4 },    // "'',,<>"
  { 1, 1, 2, 1, 4, 3 } };  // "`'`'><"

// Corresponding LaTeX code, for double and single quotes.
static char const *latex_quote_t1[2][5] =
{ { "\\quotesinglbase{}",  "'", "`",
    "\\guilsinglleft{}", "\\guilsinglright{}" },
  { ",,", "''", "``", "<<", ">>" } };

static char const *latex_quote_ot1[2][5] =
{ { "\\quotesinglbase{}",  "'", "`",
    "\\guilsinglleft{}", "\\guilsinglright{}" },
  { "\\quotedblbase{}", "''", "``",
    "\\guillemotleft{}", "\\guillemotright{}" } };

static char const *latex_quote_babel[2][5] =
{ { "\\glq{}",  "'", "`", "\\flq{}", "\\frq{}" },
  { "\\glqq{}", "''", "``", "\\flqq{}", "\\frqq{}" } };

InsetQuotes::InsetQuotes(LString const &string)
{
ParseString(string);
}

InsetQuotes::InsetQuotes(InsetQuotes::quote_language l,
    InsetQuotes::quote_side s,
    InsetQuotes::quote_times t)
: language(l), side(s), times(t)
{
}

InsetQuotes::InsetQuotes(char c, BufferParams const ¶ms)
: language(params.quotes_language), times(params.quotes_times)
{
// Decide whether left or right
switch(c) {
case ' ': case '(': case '{': case '[': case '-': case ':':
case LYX_META_HFILL: case LYX_META_PROTECTED_SEPARATOR:
case LYX_META_NEWLINE:
  side = InsetQuotes::LeftQ;   // left quote
  break;
default:
  side = InsetQuotes::RightQ;  // right quote
}
}

void InsetQuotes::ParseString(LString string)
{
int i;
if (string.length() != 3) {
  lyxerr.print("ERROR (InsetQuotes::InsetQuotes):"
         " bad string length.");
  string = "eld";
}

for (i=0;i<6;i++) {
  if (string[0] == language_char[i]) {
   language = (InsetQuotes::quote_language)i;
   break;
  }
}
if (i>=6) {
  lyxerr.print("ERROR (InsetQuotes::InsetQuotes):"
         " bad language specification.");
  language = InsetQuotes::EnglishQ;
}

for (i=0;i<2;i++) {
  if (string[1] == side_char[i]) {
   side = (InsetQuotes::quote_side)i;
   break;
  }
}
if (i>=2) {
  lyxerr.print("ERROR (InsetQuotes::InsetQuotes):"
         " bad side specification.");
  side = InsetQuotes::LeftQ;
}

for (i=0;i<2;i++) {
  if (string[2] == times_char[i]) {
   times = (InsetQuotes::quote_times)i;
   break;
  }
}
if (i>=2) {
  lyxerr.print("ERROR (InsetQuotes::InsetQuotes):"
         " bad times specification.");
  times = InsetQuotes::DoubleQ;
}
}

LString InsetQuotes::DispString() const
{
  LString disp;

disp += quote_char[quote_index[side][language]];

if (times == InsetQuotes::DoubleQ)
  disp += disp;

  if (lyxrc->font_norm == "iso8859-1")
  if (disp == "<<")
   disp = '«';
  else if (disp == ">>")
   disp = '»';

  return disp;
}

int InsetQuotes::Ascent(LyXFont const &font) const
{
return font.maxAscent();
}

int InsetQuotes::Descent(LyXFont const &font) const
{
return font.maxDescent();
}

int InsetQuotes::Width(LyXFont const &font) const
{
LString text = DispString();
int w = 0;

for (int i = 0; i < text.length(); i++) {
  if (text[i] == ' ')
   w += font.width('i');
  else if (i == 0 || text[i] != text[i-1])
   w += font.width(text[i]);
  else
   w += font.width(',');
}

return w;
}

LyXFont InsetQuotes::ConvertFont(LyXFont font)
{
/* quotes-insets cannot be latex of any kind */
font.setLatex(LyXFont::OFF);
return font;
}

void InsetQuotes::Draw(LyXFont font, LyXScreen &scr,
         int baseline, float &x)
{
LString text = DispString();

for (int i = 0; i < text.length(); i++) {
  if (text[i] == ' ')
   x += font.width('i');
  else if (i == text.length()-1 || text[i] != text[i+1]) {
   scr.drawString(font, &text[i], baseline, int(x));
   x += font.width(text[i]);
  } else {
   scr.drawString(font, &text[i+1], baseline, int(x));
   x += font.width(',');
  }
}

}

void InsetQuotes::Write(FILE *file)
{
LString text = LString(language_char[language]) + side_char[side] +
         times_char[times];
fprintf(file, "Quotes %s", text.c_str());
}

void InsetQuotes::Read(LyXLex &lex)
{
lex.nextToken();
ParseString(lex.GetString());
}

int InsetQuotes::Latex(FILE *file, signed char /*fragile*/)
{
LString quote;
int res = Latex(quote, 0);
fprintf(file, "%s", quote.c_str());
return res;
}

int InsetQuotes::Latex(LString &file, signed char /*fragile*/)
{
LString doclang =
  current_view->currentBuffer()->GetLanguage();
int quoteind = quote_index[side][language];
LString qstr;

if (lyxrc->fontenc == "T1") {
  qstr = latex_quote_t1[times][quoteind];
}
else if (doclang == "default") {
  qstr = latex_quote_ot1[times][quoteind];
}
else if (language == InsetQuotes::FrenchQ
   && times == InsetQuotes::DoubleQ
   && doclang == "frenchb") {
  if (side == InsetQuotes::LeftQ)
   qstr = "\\og{}";
  else
   qstr = " \\fg{}";
}
else
  qstr = latex_quote_babel[times][quoteind];

// protect against !` and ?` ligatures.
if ((file.suffixIs('?') || file.suffixIs('!'))
     && qstr[0] == '`')
  qstr = "{}" + qstr;

file += qstr;
return 0;
}

int InsetQuotes::Linuxdoc(LString &file)
{
file += "\"";

return 0;
}

void InsetQuotes::Validate(LaTeXFeatures &features) const
{
char type = quote_char[quote_index[side][language]];

if (current_view->currentBuffer()->GetLanguage() == "default"
     && lyxrc->fontenc != "T1") {
  if (times == InsetQuotes::SingleQ)
   switch (type) {
   case ',': features.quotesinglbase = true; break;
   case '<': features.guilsinglleft = true; break;
   case '>': features.guilsinglright = true; break;
   default: break;
   }
  else
   switch (type) {
   case ',': features.quotedblbase = true; break;
   case '<': features.guillemotleft = true; break;
   case '>': features.guillemotright = true; break;
   default: break;
   }
}
}

Inset* InsetQuotes::Clone()
{
  return new InsetQuotes(language, side, times);
}

Inset::Code InsetQuotes::LyxCode() const
{
  return Inset::QUOTE_CODE;
}

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