- return "";
-}
-
-} // end anonymous namespace
-
-
-FontTag::FontTag(FontTypes type)
- : StartTag(fontToTag(type), fontToAttribute(type)), font_type_(type)
-{}
-
-
-bool FontTag::operator==(StartTag const & tag) const
-{
- FontTag const * const ftag = tag.asFontTag();
- if (!ftag)
- return false;
- return (font_type_ == ftag->font_type_);
-}
-
-
-EndFontTag::EndFontTag(FontTypes type)
- : EndTag(fontToTag(type)), font_type_(type)
-{}
-
-} // namespace html
-
-
-
-////////////////////////////////////////////////////////////////
-///
-/// XHTMLStream
-///
-////////////////////////////////////////////////////////////////
-
-XHTMLStream::XHTMLStream(odocstream & os)
- : os_(os), escape_(ESCAPE_ALL)
-{}
-
-
-#ifdef XHTML_DEBUG
-void XHTMLStream::dumpTagStack(string const & msg)
-{
- *this << html::CR();
- writeError(msg);
- *this << html::CR();
- writeError("Tag Stack");
- TagDeque::const_reverse_iterator it = tag_stack_.rbegin();
- TagDeque::const_reverse_iterator en = tag_stack_.rend();
- for (; it != en; ++it) {
- writeError(it->get()->tag_);
- }
- writeError("End Tag Stack");
- *this << html::CR();
- writeError("Pending Tags");
- it = pending_tags_.rbegin();
- en = pending_tags_.rend();
- for (; it != en; ++it) {
- writeError(it->get()->tag_);
- }
- writeError("End Pending Tags");
- *this << html::CR();
-}
-#endif
-
-
-void XHTMLStream::writeError(std::string const & s) const
-{
- LYXERR0(s);
- os_ << from_utf8("<!-- Output Error: " + s + " -->\n");
-}
-
-
-namespace {
- // an illegal tag for internal use
- static html::StartTag const parsep_tag("&LyX_parsep_tag&");
-}
-
-
-bool XHTMLStream::closeFontTags()
-{
- if (isTagPending(parsep_tag))
- // we haven't had any content
- return true;
-
- // this may be a useless check, since we ought at least to have
- // the parsep_tag. but it can't hurt too much to be careful.
- if (tag_stack_.empty())
- return true;
-
- // first, we close any open font tags we can close
- TagPtr curtag = tag_stack_.back();
- while (curtag->asFontTag()) {
- os_ << curtag->writeEndTag();
- tag_stack_.pop_back();
- // this shouldn't happen, since then the font tags
- // weren't in any other tag.
- LBUFERR(!tag_stack_.empty());
- curtag = tag_stack_.back();
- }
-
- if (*curtag == parsep_tag)
- return true;
-
- // so we've hit a non-font tag.
- writeError("Tags still open in closeFontTags(). Probably not a problem,\n"
- "but you might want to check these tags:");
- TagDeque::const_reverse_iterator it = tag_stack_.rbegin();
- TagDeque::const_reverse_iterator const en = tag_stack_.rend();
- for (; it != en; ++it) {
- if (**it == parsep_tag)
- break;
- writeError((*it)->tag_);
- }
- return false;
-}
-
-
-void XHTMLStream::startDivision(bool keep_empty)
-{
- pending_tags_.push_back(makeTagPtr(html::StartTag(parsep_tag)));
- if (keep_empty)
- clearTagDeque();
-}
-
-
-void XHTMLStream::endDivision()
-{
- if (isTagPending(parsep_tag)) {
- // this case is normal. it just means we didn't have content,
- // so the parsep_tag never got moved onto the tag stack.
- while (!pending_tags_.empty()) {
- // clear all pending tags up to and including the parsep tag.
- // note that we work from the back, because we want to get rid
- // of everything that hasn't been used.
- TagPtr const cur_tag = pending_tags_.back();
- pending_tags_.pop_back();
- if (*cur_tag == parsep_tag)
- break;
- }
- return;
- }
-
- if (!isTagOpen(parsep_tag)) {
- writeError("No division separation tag found in endDivision().");
- return;
- }
-
- // this case is also normal, if the parsep tag is the last one
- // on the stack. otherwise, it's an error.
- while (!tag_stack_.empty()) {
- TagPtr const cur_tag = tag_stack_.back();
- tag_stack_.pop_back();
- if (*cur_tag == parsep_tag)
- break;
- writeError("Tag `" + cur_tag->tag_ + "' still open at end of paragraph. Closing.");
- os_ << cur_tag->writeEndTag();
- }
-}
-
-
-void XHTMLStream::clearTagDeque()
-{
- while (!pending_tags_.empty()) {
- TagPtr const tag = pending_tags_.front();
- if (*tag != parsep_tag)
- // tabs?
- os_ << tag->writeTag();
- tag_stack_.push_back(tag);
- pending_tags_.pop_front();
- }
-}
-
-
-XHTMLStream & XHTMLStream::operator<<(docstring const & d)
-{
- clearTagDeque();
- os_ << html::htmlize(d, escape_);
- escape_ = ESCAPE_ALL;
- return *this;
-}
-
-
-XHTMLStream & XHTMLStream::operator<<(const char * s)
-{
- clearTagDeque();
- docstring const d = from_ascii(s);
- os_ << html::htmlize(d, escape_);
- escape_ = ESCAPE_ALL;
- return *this;
-}
-
-
-XHTMLStream & XHTMLStream::operator<<(char_type c)
-{
- clearTagDeque();
- os_ << html::escapeChar(c, escape_);
- escape_ = ESCAPE_ALL;
- return *this;
-}
-
-
-XHTMLStream & XHTMLStream::operator<<(char c)
-{
- clearTagDeque();
- os_ << html::escapeChar(c, escape_);
- escape_ = ESCAPE_ALL;
- return *this;
-}
-
-
-XHTMLStream & XHTMLStream::operator<<(int i)
-{
- clearTagDeque();
- os_ << i;
- escape_ = ESCAPE_ALL;
- return *this;
-}
-
-
-XHTMLStream & XHTMLStream::operator<<(EscapeSettings e)
-{
- escape_ = e;
- return *this;
-}
-
-
-XHTMLStream & XHTMLStream::operator<<(html::StartTag const & tag)
-{
- if (tag.tag_.empty())
- return *this;
- pending_tags_.push_back(makeTagPtr(tag));
- if (tag.keepempty_)
- clearTagDeque();
- return *this;
-}
-
-
-XHTMLStream & XHTMLStream::operator<<(html::ParTag const & tag)
-{
- if (tag.tag_.empty())
- return *this;
- pending_tags_.push_back(makeTagPtr(tag));
- return *this;
-}
-
-
-XHTMLStream & XHTMLStream::operator<<(html::CompTag const & tag)
-{
- if (tag.tag_.empty())
- return *this;
- clearTagDeque();
- os_ << tag.writeTag();
- *this << html::CR();
- return *this;
-}
-
-
-XHTMLStream & XHTMLStream::operator<<(html::FontTag const & tag)
-{
- if (tag.tag_.empty())
- return *this;
- pending_tags_.push_back(makeTagPtr(tag));
- return *this;
-}
-
-
-XHTMLStream & XHTMLStream::operator<<(html::CR const &)
-{
- // tabs?
- os_ << from_ascii("\n");
- return *this;
-}
-
-
-bool XHTMLStream::isTagOpen(html::StartTag const & stag) const
-{
- TagDeque::const_iterator sit = tag_stack_.begin();
- TagDeque::const_iterator const sen = tag_stack_.end();
- for (; sit != sen; ++sit)
- if (**sit == stag)
- return true;
- return false;