mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-22 10:00:33 +00:00
3f9e21b826
Only the first one is returned by default with existing methods to guarantee compatibility with existing code.
107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
/**
|
|
* \file BufferEncodings.cpp
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author Lars Gullik Bjønnes
|
|
* \author Jean-Marc Lasgouttes
|
|
* \author Dekel Tsur
|
|
* \author Stephan Witt
|
|
*
|
|
* Full author contact details are available in file CREDITS.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include "BufferEncodings.h"
|
|
|
|
#include "Buffer.h"
|
|
#include "InsetIterator.h"
|
|
#include "LaTeXFeatures.h"
|
|
|
|
#include "support/lstrings.h"
|
|
|
|
using namespace std;
|
|
using namespace lyx::support;
|
|
|
|
namespace lyx {
|
|
|
|
void BufferEncodings::initUnicodeMath(Buffer const & buffer, bool for_master)
|
|
{
|
|
if (for_master) {
|
|
mathcmd.clear();
|
|
textcmd.clear();
|
|
mathsym.clear();
|
|
}
|
|
|
|
// Check this buffer
|
|
for (Inset const & it : buffer.inset())
|
|
it.initUnicodeMath();
|
|
|
|
if (!for_master)
|
|
return;
|
|
|
|
// Check children
|
|
for (Buffer * buf : buffer.getDescendants())
|
|
initUnicodeMath(*buf, false);
|
|
}
|
|
|
|
|
|
void BufferEncodings::validate(char_type c, LaTeXFeatures & features, bool for_mathed)
|
|
{
|
|
CharInfo const & ci = Encodings::unicodeCharInfo(c);
|
|
if (ci.isUnicodeSymbol()) {
|
|
// In mathed, c could be used both in textmode and mathmode
|
|
docstring const textcommand = ci.textCommand();
|
|
bool const math_mode = for_mathed && isMathCmd(c);
|
|
bool const use_math = math_mode ||
|
|
(!for_mathed && textcommand.empty());
|
|
bool const use_text = (for_mathed && isTextCmd(c)) ||
|
|
(!for_mathed && !textcommand.empty());
|
|
bool const plain_utf8 = (features.runparams().encoding->name() == "utf8-plain");
|
|
bool const unicode_math = (features.isRequired("unicode-math")
|
|
&& features.isAvailable("unicode-math"));
|
|
// with utf8-plain, we only load packages when in mathed (see #7766)
|
|
// and if we do not use unicode-math
|
|
if ((math_mode && !unicode_math)
|
|
|| (use_math && !plain_utf8)) {
|
|
string const mathpreamble = ci.mathPreamble();
|
|
if (!mathpreamble.empty()) {
|
|
if (ci.mathFeature()) {
|
|
string feats = mathpreamble;
|
|
while (!feats.empty()) {
|
|
string feat;
|
|
feats = split(feats, feat, ',');
|
|
features.require(feat);
|
|
}
|
|
} else
|
|
features.addPreambleSnippet(from_utf8(mathpreamble));
|
|
}
|
|
}
|
|
// with utf8-plain, we do not load packages (see #7766)
|
|
if (use_text && !plain_utf8) {
|
|
string const textpreamble = ci.textPreamble();
|
|
if (!textpreamble.empty()) {
|
|
if (ci.textFeature()) {
|
|
string feats = textpreamble;
|
|
while (!feats.empty()) {
|
|
string feat;
|
|
feats = split(feats, feat, ',');
|
|
// context-dependent features are handled
|
|
// in Paragraph::Private::validate()
|
|
if (!contains(feat, '='))
|
|
features.require(feat);
|
|
}
|
|
} else
|
|
features.addPreambleSnippet(from_utf8(textpreamble));
|
|
}
|
|
}
|
|
}
|
|
if (for_mathed && isMathSym(c)) {
|
|
features.require("amstext");
|
|
features.require("lyxmathsym");
|
|
}
|
|
}
|
|
|
|
} // namespace lyx
|