- if (paragraphs().empty())
- return docstring();
-
- ParagraphList::const_iterator pit = paragraphs().begin();
- for (; pit != paragraphs().end(); ++pit) {
- InsetList::const_iterator it = pit->insetList().begin();
- for (; it != pit->insetList().end(); ++it) {
- Inset & inset = *it->inset;
- if (inset.lyxCode() == CAPTION_CODE) {
- odocstringstream ods;
- InsetCaption * ins =
- static_cast<InsetCaption *>(it->inset);
- ins->getOptArg(ods, runparams);
- ins->getArgument(ods, runparams);
- // the caption may contain \label{} but the listings
- // package prefer caption={}, label={}
- docstring cap = ods.str();
- if (!contains(to_utf8(cap), "\\label{"))
- return cap;
- // convert from
- // blah1\label{blah2} blah3
- // to
- // blah1 blah3},label={blah2
- // to form options
- // caption={blah1 blah3},label={blah2}
- //
- // NOTE that } is not allowed in blah2.
- regex const reg("(.*)\\\\label\\{(.*?)\\}(.*)");
- string const new_cap("\\1\\3},label={\\2");
- return from_utf8(regex_replace(to_utf8(cap), reg, new_cap));
- }
- }
- }
- return docstring();
+ InsetCaption const * ins = getCaptionInset();
+ if (ins == 0)
+ return TexString();
+
+ otexstringstream os;
+ ins->getArgs(os, runparams);
+ ins->getArgument(os, runparams);
+
+ // TODO: The code below should be moved to support, and then the test
+ // in ../tests should be moved there as well.
+
+ // the caption may contain \label{} but the listings
+ // package prefer caption={}, label={}
+ TexString cap = os.release();
+ if (!contains(cap.str, from_ascii("\\label{")))
+ return cap;
+ // convert from
+ // blah1\label{blah2} blah3
+ // to
+ // blah1 blah3},label={blah2
+ // to form options
+ // caption={blah1 blah3},label={blah2}
+ //
+ // NOTE that } is not allowed in blah2.
+ regex const reg("(.*)\\\\label\\{(.*?)\\}(.*)");
+ string const new_cap("$1$3},label={$2");
+ // TexString validity: the substitution preserves the number of newlines.
+ // Moreover we assume that $2 does not contain newlines, so that the texrow
+ // information remains accurate.
+ cap.str = from_utf8(regex_replace(to_utf8(cap.str), reg, new_cap));
+ return cap;