int InsetERT::plaintext(odocstringstream & os,
OutputParams const & rp, size_t max_length) const
{
if (!rp.inIndexEntry)
// do not output TeX code
return 0;
ParagraphList::const_iterator par = paragraphs().begin();
ParagraphList::const_iterator end = paragraphs().end();
while (par != end && os.str().size() <= max_length) {
pos_type siz = par->size();
for (pos_type i = 0; i < siz; ++i) {
char_type const c = par->getChar(i);
// output the active characters
switch (c) {
case '|':
case '!':
case '@':
os.put(c);
break;
default:
break;
}
}
++par;
}
return 0;
}
int InsetERT::docbook(odocstream & os, OutputParams const &) const
{
// FIXME can we do the same thing here as for LaTeX?
ParagraphList::const_iterator par = paragraphs().begin();
ParagraphList::const_iterator end = paragraphs().end();
int lines = 0;
while (par != end) {
pos_type siz = par->size();
for (pos_type i = 0; i < siz; ++i)
os.put(par->getChar(i));
++par;
if (par != end) {
os << "\n";
++lines;
}
}
return lines;
}
void InsetListings::latex(otexstream & os, OutputParams const & runparams) const
{
string param_string = params().params();
// NOTE: I use {} to quote text, which is an experimental feature
// of the listings package (see page 25 of the manual)
bool const isInline = params().isInline();
// get the paragraphs. We can not output them directly to given odocstream
// because we can not yet determine the delimiter character of \lstinline
docstring code;
docstring uncodable;
ParagraphList::const_iterator par = paragraphs().begin();
ParagraphList::const_iterator end = paragraphs().end();
bool encoding_switched = false;
Encoding const * const save_enc = runparams.encoding;
if (!runparams.isFullUnicode()
&& !runparams.encoding->hasFixedWidth()) {
// We need to switch to a singlebyte encoding, since the
// listings package cannot deal with multi-byte-encoded
// glyphs (not needed with full-unicode aware backends
// such as XeTeX).
Language const * const outer_language =
(runparams.local_font != 0) ?
runparams.local_font->language()
: buffer().params().language;
// We try if there's a singlebyte encoding for the current
// language; if not, fall back to latin1.
Encoding const * const lstenc =
(outer_language->encoding()->hasFixedWidth()) ?
outer_language->encoding()
: encodings.fromLyXName("iso8859-1");
switchEncoding(os.os(), buffer().params(), runparams, *lstenc, true);
runparams.encoding = lstenc;
encoding_switched = true;
}
while (par != end) {
pos_type siz = par->size();
bool captionline = false;
for (pos_type i = 0; i < siz; ++i) {
if (i == 0 && par->isInset(i) && i + 1 == siz)
captionline = true;
// ignore all struck out text and (caption) insets
if (par->isDeleted(i) || par->isInset(i))
continue;
char_type c = par->getChar(i);
// we can only output characters covered by the current
// encoding!
try {
if (runparams.encoding->encodable(c))
code += c;
else if (runparams.dryrun) {
code += "<" + _("LyX Warning: ")
+ _("uncodable character") + " '";
code += docstring(1, c);
code += "'>";
} else
uncodable += c;
} catch (EncodingException & /* e */) {
if (runparams.dryrun) {
code += "<" + _("LyX Warning: ")
+ _("uncodable character") + " '";
code += docstring(1, c);
code += "'>";
} else
uncodable += c;
}
}
++par;
// for the inline case, if there are multiple paragraphs
// they are simply joined. Otherwise, expect latex errors.
if (par != end && !isInline && !captionline)
code += "\n";
}
if (isInline) {
char const * delimiter = lstinline_delimiters;
for (; delimiter != '\0'; ++delimiter)
if (!contains(code, *delimiter))
break;
// This code piece contains all possible special character? !!!
// Replace ! with a warning message and use ! as delimiter.
if (*delimiter == '\0') {
docstring delim_error = "<" + _("LyX Warning: ")
+ _("no more lstline delimiters available") + ">";
code = subst(code, from_ascii("!"), delim_error);
delimiter = lstinline_delimiters;
if (!runparams.dryrun) {
// FIXME: warning should be passed to the error dialog
frontend::Alert::warning(_("Running out of delimiters"),
_("For inline program listings, one character must be reserved\n"
"as a delimiter. One of the listings, however, uses all available\n"
"characters, so none is left for delimiting purposes.\n"
"For the time being, I have replaced '!' by a warning, but you\n"
"must investigate!"));
}
}
if (param_string.empty())
os << "\\lstinline" << *delimiter;
else
os << "\\lstinline[" << from_utf8(param_string) << "]" << *delimiter;
os << code
<< *delimiter;
} else {
OutputParams rp = runparams;
rp.moving_arg = true;
docstring const caption = getCaption(rp);
if (param_string.empty() && caption.empty())
os << breakln << "\\begin{lstlisting}\n";
else {
os << breakln << "\\begin{lstlisting}[";
if (!caption.empty()) {
os << "caption={" << caption << '}';
if (!param_string.empty())
os << ',';
}
os << from_utf8(param_string) << "]\n";
}
os << code << breakln << "\\end{lstlisting}\n";
}
if (encoding_switched){
// Switch back
switchEncoding(os.os(), buffer().params(), runparams, *save_enc, true);
runparams.encoding = save_enc;
}
if (!uncodable.empty()) {
// issue a warning about omitted characters
// FIXME: should be passed to the error dialog
frontend::Alert::warning(_("Uncodable characters in listings inset"),
bformat(_("The following characters in one of the program listings are\n"
"not representable in the current encoding and have been omitted:\n%1$s."),
uncodable));
}
}
