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Now tex2lyx is able to parse stuff that is in unicodesymbols file, as well

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as accents. Time will tell how robust this is.

All support for InsetLatexAccent has been removed.

I did not do the support for \inputencoding yet, because it is more difficult 
to get right...



git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@27596 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Jean-Marc Lasgouttes 2008-11-16 23:24:56 +00:00
parent 22808f5265
commit 552da336ac
2 changed files with 43 additions and 48 deletions
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6
src/tex2lyx/test/test.ltx
View File

@ -75,6 +75,12 @@ foo & bar \\
bar & foo
\end{tabular}
Let's try a few unicode characters: the (R) symbol \textregistered
(and the same one with braces \textregistered{} and a space after) or
maybe an accented a \'{a} or this one \'a or this \^\i.
Watch out: \textregistered should be glued to its successor here.
Final Text.
\end{document}

85
src/tex2lyx/text.cpp
View File

@ -17,6 +17,7 @@
#include "tex2lyx.h"
#include "Context.h"
#include "Encoding.h"
#include "FloatList.h"
#include "Layout.h"
#include "Length.h"
@ -2239,21 +2240,6 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
handle_ert(os, oss.str(), context);
}
#if 0
//FIXME: rewrite this
else if (t.cs() == "\"") {
context.check_layout(os);
string const name = p.verbatim_item();
if (name == "a") os << '\xe4';
else if (name == "o") os << '\xf6';
else if (name == "u") os << '\xfc';
else if (name == "A") os << '\xc4';
else if (name == "O") os << '\xd6';
else if (name == "U") os << '\xdc';
else handle_ert(os, "\"{" + name + "}", context);
}
#endif
// Problem: \= creates a tabstop inside the tabbing environment
// and else an accent. In the latter case we really would want
// \={o} instead of \= o.
@ -2264,33 +2250,22 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
|| t.cs() == "'" || t.cs() == "`"
|| t.cs() == "~" || t.cs() == "." || t.cs() == "=") {
// we need the trim as the LyX parser chokes on such spaces
// The argument of InsetLatexAccent is parsed as a
// subset of LaTeX, so don't parse anything here,
// but use the raw argument.
// Otherwise we would convert \~{\i} wrongly.
// This will of course not translate \~{\ss} to \~{ß},
// but that does at least compile and does only look
// strange on screen.
context.check_layout(os);
os << "\\i \\" << t.cs() << "{"
<< trim(p.verbatim_item(), " ")
<< "}\n";
}
#if 0
//FIXME: rewrite this
else if (t.cs() == "ss") {
context.check_layout(os);
os << "\xdf";
skip_braces(p); // eat {}
}
#endif
else if (t.cs() == "i" || t.cs() == "j" || t.cs() == "l" ||
t.cs() == "L") {
context.check_layout(os);
os << "\\i \\" << t.cs() << "{}\n";
skip_braces(p); // eat {}
// try to see whether the string is in unicodesymbols
docstring rem;
string command = t.asInput() + "{"
+ trim(p.verbatim_item())
+ "}";
docstring s = encodings.fromLaTeXCommand(from_utf8(command), rem);
if (!s.empty()) {
if (!rem.empty())
cerr << "When parsing " << command
<< ", result is " << to_utf8(s)
<< "+" << to_utf8(rem) << endl;
os << to_utf8(s);
} else
// we did not find a non-ert version
handle_ert(os, command, context);
}
else if (t.cs() == "\\") {
@ -2544,6 +2519,18 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
}
else {
// try to see whether the string is in unicodesymbols
docstring rem;
docstring s = encodings.fromLaTeXCommand(from_utf8(t.asInput()), rem);
if (!s.empty()) {
if (!rem.empty())
cerr << "When parsing " << t.cs()
<< ", result is " << to_utf8(s)
<< "+" << to_utf8(rem) << endl;
context.check_layout(os);
os << to_utf8(s);
skip_braces(p); // eat {}
}
//cerr << "#: " << t << " mode: " << mode << endl;
// heuristic: read up to next non-nested space
/*
@ -2557,14 +2544,16 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
cerr << "found ERT: " << s << endl;
handle_ert(os, s + ' ', context);
*/
string name = t.asInput();
if (p.next_token().asInput() == "*") {
// Starred commands like \vspace*{}
p.get_token(); // Eat '*'
name += '*';
else {
string name = t.asInput();
if (p.next_token().asInput() == "*") {
// Starred commands like \vspace*{}
p.get_token(); // Eat '*'
name += '*';
}
if (!parse_command(name, p, os, outer, context))
handle_ert(os, name, context);
}
if (! parse_command(name, p, os, outer, context))
handle_ert(os, name, context);
}
if (flags & FLAG_LEAVE) {