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tex2lyx: support extended varwidth table cells

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This commit is contained in:
Juergen Spitzmueller 2021-01-23 09:33:52 +01:00
parent af550b4589
commit 526d2841df
5 changed files with 93 additions and 24 deletions
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2
src/tex2lyx/Context.cpp
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@ -85,7 +85,7 @@ Context::Context(bool need_layout_,
new_layout_allowed(true), merging_hyphens_allowed(true),
textclass(textclass_),
layout(layout_), parent_layout(parent_layout_),
font(font_), tablerotation(0)
font(font_), tablerotation(0), in_table_cell(false), cell_align('c')
{
if (!layout)
layout = &textclass.defaultLayout();

4
src/tex2lyx/Context.h
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@ -176,6 +176,10 @@ public:
static TeXFont normalfont;
/// Table rotation angle
int tablerotation;
///
bool in_table_cell;
///
char cell_align;
private:
void begin_layout(std::ostream & os, Layout const * const & l);

63
src/tex2lyx/table.cpp
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@ -941,6 +941,7 @@ void handle_tabular(Parser & p, ostream & os, string const & name,
string const & tabularwidth, string const & halign,
Context const & context)
{
Context newcontext = context;
bool const is_long_tabular(name == "longtable" || name == "xltabular");
bool booktabs = false;
string tabularvalignment("middle");
@ -1283,7 +1284,7 @@ void handle_tabular(Parser & p, ostream & os, string const & name,
cellinfo[row][col].mrxnum = ncells - 1;
ostringstream os2;
parse_text_in_inset(parse, os2, FLAG_ITEM, false, context);
parse_text_in_inset(parse, os2, FLAG_ITEM, false, newcontext);
if (!cellinfo[row][col].content.empty()) {
// This may or may not work in LaTeX,
// but it does not work in LyX.
@ -1320,7 +1321,7 @@ void handle_tabular(Parser & p, ostream & os, string const & name,
cellinfo[row][col].leftlines = ci.leftlines;
cellinfo[row][col].rightlines = ci.rightlines;
ostringstream os2;
parse_text_in_inset(parse, os2, FLAG_ITEM, false, context);
parse_text_in_inset(parse, os2, FLAG_ITEM, false, newcontext);
if (!cellinfo[row][col].content.empty()) {
// This may or may not work in LaTeX,
// but it does not work in LyX.
@ -1378,7 +1379,38 @@ void handle_tabular(Parser & p, ostream & os, string const & name,
cellinfo[row][col].align = colinfo[col].align;
cellinfo[row][col].multi = CELL_BEGIN_OF_MULTICOLUMN;
ostringstream os2;
parse_text_in_inset(parse, os2, FLAG_CELL, false, context);
parse_text_in_inset(parse, os2, FLAG_CELL, false, newcontext);
cellinfo[row][col].content += os2.str();
// add dummy multicolumn cells
for (size_t c = 1; c < colinfo.size(); ++c)
cellinfo[row][c].multi = CELL_PART_OF_MULTICOLUMN;
} else if (col == 0 && colinfo.size() > 1 &&
is_long_tabular &&
parse.next_token().cs() == "caption") {
// longtable caption support in LyX is a hack:
// Captions require a row of their own with
// the caption flag set to true, having only
// one multicolumn cell. The contents of that
// cell must contain exactly one caption inset
// and nothing else.
// Fortunately, the caption flag is only needed
// for tables with more than one column.
rowinfo[row].caption = true;
for (size_t c = 1; c < cells.size(); ++c) {
if (!cells[c].empty()) {
cerr << "Moving cell content '"
<< cells[c]
<< "' into the caption cell. "
"This will probably not work."
<< endl;
cells[0] += cells[c];
}
}
cells.resize(1);
cellinfo[row][col].align = colinfo[col].align;
cellinfo[row][col].multi = CELL_BEGIN_OF_MULTICOLUMN;
ostringstream os2;
parse_text_in_inset(parse, os2, FLAG_CELL, false, newcontext);
cellinfo[row][col].content += os2.str();
// add dummy multicolumn cells
for (size_t c = 1; c < colinfo.size(); ++c)
@ -1386,6 +1418,7 @@ void handle_tabular(Parser & p, ostream & os, string const & name,
} else {
bool turn = false;
int rotate = 0;
bool varwidth = false;
if (parse.next_token().cs() == "begin") {
parse.pushPosition();
parse.get_token();
@ -1402,6 +1435,12 @@ void handle_tabular(Parser & p, ostream & os, string const & name,
parse.skip_spaces();
if (!parse.good() && support::isStrInt(angle))
rotate = convert<int>(angle);
} else if (env == "cellvarwidth") {
active_environments.push_back(env);
parse.ertEnvironment(env);
active_environments.pop_back();
parse.skip_spaces();
varwidth = true;
}
parse.popPosition();
}
@ -1415,11 +1454,25 @@ void handle_tabular(Parser & p, ostream & os, string const & name,
active_environments.push_back(parse.getArg('{', '}'));
if (turn)
parse.getArg('{', '}');
parse_text_in_inset(parse, os2, FLAG_END, false, context);
parse_text_in_inset(parse, os2, FLAG_END, false, newcontext);
active_environments.pop_back();
preamble.registerAutomaticallyLoadedPackage("rotating");
} else if (varwidth) {
parse.get_token();
active_environments.push_back(parse.getArg('{', '}'));
// valign arg
if (parse.hasOpt())
cellinfo[row][col].valign = parse.getArg('[', ']')[1];
newcontext.in_table_cell = true;
parse_text_in_inset(parse, os2, FLAG_END, false, newcontext);
if (cellinfo[row][col].multi == CELL_NORMAL)
colinfo[col].align = newcontext.cell_align;
else
cellinfo[row][col].align = newcontext.cell_align;
active_environments.pop_back();
preamble.registerAutomaticallyLoadedPackage("varwidth");
} else {
parse_text_in_inset(parse, os2, FLAG_CELL, false, context);
parse_text_in_inset(parse, os2, FLAG_CELL, false, newcontext);
}
cellinfo[row][col].content += os2.str();
}

2
src/tex2lyx/tex2lyx.h
View File

@ -66,7 +66,7 @@ std::string find_file(std::string const & name, std::string const & path,
* Therefore this may only be used to parse text in insets or table cells.
*/
void parse_text_in_inset(Parser & p, std::ostream & os, unsigned flags,
bool outer, Context const & context,
bool outer, Context & context,
InsetLayout const * layout = nullptr,
std::string const & rdelim = "");

46
src/tex2lyx/text.cpp
View File

@ -54,7 +54,7 @@ void output_arguments(ostream &, Parser &, bool, bool, const string &, Context &
void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
Context const & context, InsetLayout const * layout,
Context & context, InsetLayout const * layout,
string const & rdelim)
{
bool const forcePlainLayout =
@ -66,6 +66,8 @@ void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
newcontext.font = context.font;
// Inherit commands to pass through
newcontext.pass_thru_cmds = context.pass_thru_cmds;
// and table cell
newcontext.in_table_cell = context.in_table_cell;
if (layout)
output_arguments(os, p, outer, false, string(), newcontext,
layout->latexargs());
@ -81,6 +83,7 @@ void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
output_arguments(os, p, outer, false, "post", newcontext,
layout->postcommandargs());
newcontext.check_end_layout(os);
context.cell_align = newcontext.cell_align;
}
@ -95,7 +98,8 @@ void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
context.textclass.insetLayouts().find(from_ascii(name));
if (it != context.textclass.insetLayouts().end())
layout = &(it->second);
parse_text_in_inset(p, os, flags, outer, context, layout, rdelim);
Context newcontext = context;
parse_text_in_inset(p, os, flags, outer, newcontext, layout, rdelim);
}
/// parses a paragraph snippet, useful for example for \\emph{...}
@ -5525,28 +5529,36 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
// the code for the alignment was put here
// put them in their own if if this is fixed
if (t.cs() == "fboxrule" || t.cs() == "fboxsep"
|| t.cs() == "shadowsize"
|| t.cs() == "raggedleft" || t.cs() == "centering"
|| t.cs() == "raggedright") {
|| t.cs() == "shadowsize") {
if (t.cs() == "fboxrule")
fboxrule = "";
if (t.cs() == "fboxsep")
fboxsep = "";
if (t.cs() == "shadowsize")
shadow_size = "";
if (t.cs() != "raggedleft" && t.cs() != "centering"
&& t.cs() != "raggedright") {
p.skip_spaces(true);
while (p.good() && p.next_token().cat() != catSpace
&& p.next_token().cat() != catNewline
&& p.next_token().cat() != catEscape) {
if (t.cs() == "fboxrule")
fboxrule = fboxrule + p.get_token().asInput();
if (t.cs() == "fboxsep")
fboxsep = fboxsep + p.get_token().asInput();
if (t.cs() == "shadowsize")
shadow_size = shadow_size + p.get_token().asInput();
}
continue;
}
if (t.cs() == "raggedleft" || t.cs() == "centering" || t.cs() == "raggedright") {
if (context.in_table_cell) {
if (t.cs() == "raggedleft")
context.cell_align = 'r';
else if (t.cs() == "centering")
context.cell_align = 'c';
else if (t.cs() == "raggedright")
context.cell_align = 'l';
p.skip_spaces(true);
while (p.good() && p.next_token().cat() != catSpace
&& p.next_token().cat() != catNewline
&& p.next_token().cat() != catEscape) {
if (t.cs() == "fboxrule")
fboxrule = fboxrule + p.get_token().asInput();
if (t.cs() == "fboxsep")
fboxsep = fboxsep + p.get_token().asInput();
if (t.cs() == "shadowsize")
shadow_size = shadow_size + p.get_token().asInput();
}
} else {
output_ert_inset(os, t.asInput(), context);
}