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tex2lyx: More work on beamer support

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* Implement list item overlay support (\item<arg>)
* Implement itemcommand support (e.g., \overprint<arg>)
* Fix general list argument placement

Part of: #11068

(cherry picked from commit e51265b5f3)
This commit is contained in:
Juergen Spitzmueller 2018-03-14 08:40:47 +01:00
parent 31c293dec3
commit 7c816488b6
4 changed files with 48 additions and 47 deletions
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2
src/tex2lyx/Context.cpp
View File

@ -247,6 +247,8 @@ void Context::dump(ostream & os, string const & desc) const
os << "extrastuff=[" << extra_stuff << "] ";
if (!par_extra_stuff.empty())
os << "parextrastuff=[" << par_extra_stuff << "] ";
if (!list_extra_stuff.empty())
os << "listextrastuff=[" << list_extra_stuff << "] ";
os << "textclass=" << textclass.name()
<< " layout=" << to_utf8(layout->name())
<< " parent_layout=" << to_utf8(parent_layout->name()) << "] font=["

2
src/tex2lyx/Context.h
View File

@ -128,6 +128,8 @@ public:
std::string extra_stuff;
/// We may need to add something after this \\begin_layout command
std::string par_extra_stuff;
/// We may need to add something at the beginning of a list.
std::string list_extra_stuff;
/// If there has been an \\begin_deeper, we'll need a matching
/// \\end_deeper
bool need_end_deeper;

5
src/tex2lyx/test/test-structure.lyx.lyx
View File

@ -892,9 +892,10 @@ the second item
\begin_layout Itemize
\begin_inset Argument item:1
status open
status collapsed
\begin_layout Plain Layout
\begin_layout Standard
custom label
\end_layout

86
src/tex2lyx/text.cpp
View File

@ -47,7 +47,7 @@ namespace lyx {
namespace {
void output_arguments(ostream &, Parser &, bool, bool, bool, Context &,
void output_arguments(ostream &, Parser &, bool, bool, string, Context &,
Layout::LaTeXArgMap const &);
}
@ -65,11 +65,11 @@ void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
else
newcontext.font = context.font;
if (layout)
output_arguments(os, p, outer, false, false, newcontext,
output_arguments(os, p, outer, false, string(), newcontext,
layout->latexargs());
parse_text(p, os, flags, outer, newcontext, rdelim);
if (layout)
output_arguments(os, p, outer, false, true, newcontext,
output_arguments(os, p, outer, false, "post", newcontext,
layout->postcommandargs());
newcontext.check_end_layout(os);
}
@ -749,14 +749,16 @@ void skip_spaces_braces(Parser & p, bool keepws = false)
}
void output_arguments(ostream & os, Parser & p, bool outer, bool need_layout, bool post,
void output_arguments(ostream & os, Parser & p, bool outer, bool need_layout, string const prefix,
Context & context, Layout::LaTeXArgMap const & latexargs)
{
if (need_layout) {
context.check_layout(os);
need_layout = false;
} else
need_layout = true;
if (context.layout->latextype != LATEX_ITEM_ENVIRONMENT || !prefix.empty()) {
if (need_layout) {
context.check_layout(os);
need_layout = false;
} else
need_layout = true;
}
int i = 0;
Layout::LaTeXArgMap::const_iterator lait = latexargs.begin();
Layout::LaTeXArgMap::const_iterator const laend = latexargs.end();
@ -780,8 +782,8 @@ void output_arguments(ostream & os, Parser & p, bool outer, bool need_layout, bo
need_layout = false;
}
begin_inset(os, "Argument ");
if (post)
os << "post:";
if (!prefix.empty())
os << prefix << ':';
os << i << "\nstatus collapsed\n\n";
parse_text_in_inset(p, os, FLAG_RDELIM, outer, context, 0, rdelim);
end_inset(os);
@ -806,8 +808,8 @@ void output_arguments(ostream & os, Parser & p, bool outer, bool need_layout, bo
need_layout = false;
}
begin_inset(os, "Argument ");
if (post)
os << "post:";
if (!prefix.empty())
os << prefix << ':';
os << i << "\nstatus collapsed\n\n";
parse_text_in_inset(p, os, FLAG_RDELIM, outer, context, 0, rdelim);
end_inset(os);
@ -840,10 +842,10 @@ void output_command_layout(ostream & os, Parser & p, bool outer,
context.need_end_deeper = true;
}
context.check_deeper(os);
output_arguments(os, p, outer, true, false, context,
output_arguments(os, p, outer, true, string(), context,
context.layout->latexargs());
parse_text(p, os, FLAG_ITEM, outer, context);
output_arguments(os, p, outer, false, true, context,
output_arguments(os, p, outer, false, "post", context,
context.layout->postcommandargs());
context.check_end_layout(os);
if (parent_context.deeper_paragraph) {
@ -2081,16 +2083,18 @@ void parse_environment(Parser & p, ostream & os, bool outer,
}
context.check_deeper(os);
// handle known optional and required arguments
// FIXME: for item environments, this is currently
// placed wrongly (in an empty paragraph). It has to go to
// the first \item par instead.
if (context.layout->latextype == LATEX_ENVIRONMENT
|| context.layout->latextype == LATEX_ITEM_ENVIRONMENT)
output_arguments(os, p, outer, false, false, context,
if (context.layout->latextype == LATEX_ENVIRONMENT)
output_arguments(os, p, outer, false, string(), context,
context.layout->latexargs());
else if (context.layout->latextype == LATEX_ITEM_ENVIRONMENT) {
ostringstream oss;
output_arguments(oss, p, outer, false, string(), context,
context.layout->latexargs());
context.list_extra_stuff = oss.str();
}
parse_text(p, os, FLAG_END, outer, context);
if (context.layout->latextype == LATEX_ENVIRONMENT)
output_arguments(os, p, outer, false, true, context,
output_arguments(os, p, outer, false, "post", context,
context.layout->postcommandargs());
context.check_end_layout(os);
if (parent_context.deeper_paragraph) {
@ -3074,10 +3078,10 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
continue;
}
if (t.cs() == "item") {
// "item" by default, but could be something else
if (t.cs() == context.layout->itemcommand()) {
string s;
bool const optarg = p.hasOpt();
if (optarg) {
if (context.layout->labeltype == LABEL_MANUAL) {
// FIXME: This swallows comments, but we cannot use
// eat_whitespace() since we must not output
// anything before the item.
@ -3091,26 +3095,19 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
// An item in an unknown list-like environment
// FIXME: Do this in check_layout()!
context.has_item = false;
if (optarg)
output_ert_inset(os, "\\item", context);
else
output_ert_inset(os, "\\item ", context);
string item = "\\" + context.layout->itemcommand();
if (!p.hasOpt())
item += " ";
output_ert_inset(os, item, context);
}
if (optarg) {
if (context.layout->labeltype != LABEL_MANUAL) {
// handle option of itemize item
begin_inset(os, "Argument item:1\n");
os << "status open\n";
os << "\n\\begin_layout Plain Layout\n";
Parser p2(s + ']');
os << parse_text_snippet(p2,
FLAG_BRACK_LAST, outer, context);
// we must not use context.check_end_layout(os)
// because that would close the outer itemize layout
os << "\n\\end_layout\n";
end_inset(os);
eat_whitespace(p, os, context, false);
} else if (!s.empty()) {
if (context.layout->labeltype != LABEL_MANUAL)
output_arguments(os, p, outer, false, "item", context,
context.layout->itemargs());
if (!context.list_extra_stuff.empty()) {
os << context.list_extra_stuff;
context.list_extra_stuff.clear();
}
else if (!s.empty()) {
// LyX adds braces around the argument,
// so we need to remove them here.
if (s.size() > 2 && s[0] == '{' &&
@ -3132,7 +3129,6 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
os << ' ';
eat_whitespace(p, os, context, false);
}
}
continue;
}