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b83564d82c
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@27378 a592a061-630c-0410-9148-cb99ea01b6c8
350 lines
7.6 KiB
C++
350 lines
7.6 KiB
C++
/**
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* \file InsetQuotes.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Jean-Marc Lasgouttes
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "InsetQuotes.h"
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#include "Buffer.h"
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#include "BufferParams.h"
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#include "BufferView.h"
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#include "Dimension.h"
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#include "Language.h"
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#include "LaTeXFeatures.h"
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#include "Lexer.h"
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#include "LyXRC.h"
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#include "MetricsInfo.h"
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#include "OutputParams.h"
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#include "frontends/FontMetrics.h"
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#include "frontends/Painter.h"
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#include "support/debug.h"
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#include "support/docstring.h"
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#include "support/docstream.h"
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#include "support/lstrings.h"
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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namespace {
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/* codes used to read/write quotes to LyX files
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* e ``english''
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* s ''spanish''
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* g ,,german``
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* p ,,polish''
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* f <<french>>
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* a >>danish<<
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*/
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char const * const language_char = "esgpfa";
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char const * const side_char = "lr" ;
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char const * const times_char = "sd";
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// List of known quote chars
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char const * const quote_char = ",'`<>";
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// Unicode characters needed by each quote type
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char_type const display_quote_char[2][5] = {
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{ 0x201a, 0x2019, 0x2018, 0x2039, 0x203a},
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{ 0x201e, 0x201d, 0x201c, 0x00ab, 0x00bb}
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};
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// Index of chars used for the quote. Index is [side, language]
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int quote_index[2][6] = {
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{ 2, 1, 0, 0, 3, 4 }, // "'',,<>"
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{ 1, 1, 2, 1, 4, 3 } // "`'`'><"
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};
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// Corresponding LaTeX code, for double and single quotes.
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char const * const latex_quote_t1[2][5] = {
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{ "\\quotesinglbase ", "'", "`",
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"\\guilsinglleft{}", "\\guilsinglright{}" },
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{ ",,", "''", "``", "<<", ">>" }
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};
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char const * const latex_quote_ot1[2][5] = {
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{ "\\quotesinglbase ", "'", "`",
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"\\guilsinglleft{}", "\\guilsinglright{}" },
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{ "\\quotedblbase ", "''", "``",
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"\\guillemotleft{}", "\\guillemotright{}" }
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};
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char const * const latex_quote_babel[2][5] = {
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{ "\\glq ", "'", "`", "\\flq{}", "\\frq{}" },
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{ "\\glqq ", "''", "``", "\\flqq{}", "\\frqq{}" }
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};
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} // namespace anon
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InsetQuotes::InsetQuotes(Buffer const & buf, string const & str)
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{
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parseString(str);
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setBuffer(const_cast<Buffer &>(buf));
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}
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InsetQuotes::InsetQuotes(Buffer const & buf, char_type c)
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: language_(buf.params().quotes_language), times_(buf.params().quotes_times)
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{
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setSide(c);
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setBuffer(const_cast<Buffer &>(buf));
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}
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InsetQuotes::InsetQuotes(Buffer const & buf, char_type c, QuoteTimes t)
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: language_(buf.params().quotes_language), times_(t)
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{
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setSide(c);
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setBuffer(const_cast<Buffer &>(buf));
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}
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docstring InsetQuotes::name() const
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{
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return from_ascii("Quotes");
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}
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void InsetQuotes::setSide(char_type c)
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{
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// Decide whether left or right
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switch (c) {
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case ' ':
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case '(':
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case '[':
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side_ = LeftQuote; // left quote
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break;
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default:
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side_ = RightQuote; // right quote
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}
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}
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void InsetQuotes::parseString(string const & s)
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{
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string str = s;
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if (str.length() != 3) {
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lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
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" bad string length." << endl;
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str = "eld";
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}
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int i;
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for (i = 0; i < 6; ++i) {
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if (str[0] == language_char[i]) {
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language_ = QuoteLanguage(i);
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break;
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}
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}
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if (i >= 6) {
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lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
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" bad language specification." << endl;
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language_ = EnglishQuotes;
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}
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for (i = 0; i < 2; ++i) {
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if (str[1] == side_char[i]) {
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side_ = QuoteSide(i);
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break;
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}
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}
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if (i >= 2) {
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lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
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" bad side specification." << endl;
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side_ = LeftQuote;
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}
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for (i = 0; i < 2; ++i) {
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if (str[2] == times_char[i]) {
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times_ = QuoteTimes(i);
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break;
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}
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}
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if (i >= 2) {
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lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
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" bad times specification." << endl;
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times_ = DoubleQuotes;
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}
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}
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docstring InsetQuotes::displayString() const
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{
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Language const * loclang = buffer().params().language;
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int const index = quote_index[side_][language_];
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docstring retdisp = docstring(1, display_quote_char[times_][index]);
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// in french, spaces are added inside double quotes
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if (times_ == DoubleQuotes && prefixIs(loclang->code(), "fr")) {
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if (side_ == LeftQuote)
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retdisp += ' ';
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else
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retdisp.insert(size_t(0), 1, ' ');
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}
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return retdisp;
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}
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void InsetQuotes::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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FontInfo & font = mi.base.font;
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frontend::FontMetrics const & fm =
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theFontMetrics(font);
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dim.asc = fm.maxAscent();
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dim.des = fm.maxDescent();
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dim.wid = 0;
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// FIXME: should we add a language or a font parameter member?
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docstring const text = displayString();
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for (string::size_type i = 0; i < text.length(); ++i) {
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if (text[i] == ' ')
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dim.wid += fm.width('i');
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else if (i == 0 || text[i] != text[i - 1])
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dim.wid += fm.width(text[i]);
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else
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dim.wid += fm.width(',');
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}
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}
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void InsetQuotes::draw(PainterInfo & pi, int x, int y) const
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{
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// FIXME: should we add a language or a font parameter member?
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docstring const text = displayString();
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if (text.length() == 2 && text[0] == text[1]) {
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pi.pain.text(x, y, text[0], pi.base.font);
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int const t = theFontMetrics(pi.base.font)
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.width(',');
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pi.pain.text(x + t, y, text[0], pi.base.font);
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} else {
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pi.pain.text(x, y, text, pi.base.font);
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}
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}
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void InsetQuotes::write(ostream & os) const
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{
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string text;
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text += language_char[language_];
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text += side_char[side_];
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text += times_char[times_];
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os << "Quotes " << text;
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}
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void InsetQuotes::read(Lexer & lex)
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{
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lex.setContext("InsetQuotes::read");
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lex.next();
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parseString(lex.getString());
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lex >> "\\end_inset";
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}
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int InsetQuotes::latex(odocstream & os, OutputParams const & runparams) const
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{
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const int quoteind = quote_index[side_][language_];
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string qstr;
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if (language_ == FrenchQuotes && times_ == DoubleQuotes
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&& prefixIs(runparams.local_font->language()->code(), "fr")) {
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if (side_ == LeftQuote)
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qstr = "\\og "; //the spaces are important here
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else
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qstr = " \\fg{}"; //and here
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} else if (lyxrc.fontenc == "T1") {
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qstr = latex_quote_t1[times_][quoteind];
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#ifdef DO_USE_DEFAULT_LANGUAGE
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} else if (doclang == "default") {
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#else
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} else if (!runparams.use_babel) {
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#endif
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qstr = latex_quote_ot1[times_][quoteind];
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} else {
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qstr = latex_quote_babel[times_][quoteind];
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}
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// Always guard against unfortunate ligatures (!` ?`)
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if (prefixIs(qstr, "`"))
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qstr.insert(0, "{}");
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os << from_ascii(qstr);
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return 0;
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}
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int InsetQuotes::plaintext(odocstream & os, OutputParams const &) const
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{
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docstring const str = displayString();
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os << str;
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return str.size();
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}
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int InsetQuotes::docbook(odocstream & os, OutputParams const &) const
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{
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if (times_ == DoubleQuotes) {
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if (side_ == LeftQuote)
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os << "“";
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else
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os << "”";
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} else {
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if (side_ == LeftQuote)
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os << "‘";
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else
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os << "’";
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}
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return 0;
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}
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void InsetQuotes::tocString(odocstream & os) const
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{
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os << displayString();
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}
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void InsetQuotes::validate(LaTeXFeatures & features) const
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{
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bool const use_babel = features.useBabel();
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char type = quote_char[quote_index[side_][language_]];
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#ifdef DO_USE_DEFAULT_LANGUAGE
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if (features.bufferParams().language->lang() == "default"
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#else
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if (!use_babel
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#endif
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&& lyxrc.fontenc != "T1") {
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if (times_ == SingleQuotes)
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switch (type) {
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case ',': features.require("quotesinglbase"); break;
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case '<': features.require("guilsinglleft"); break;
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case '>': features.require("guilsinglright"); break;
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default: break;
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}
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else
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switch (type) {
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case ',': features.require("quotedblbase"); break;
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case '<': features.require("guillemotleft"); break;
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case '>': features.require("guillemotright"); break;
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default: break;
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}
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}
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}
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} // namespace lyx
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