+class DocIterator;
+class FuncRequest;
+class Text;
+
+/** Encode the parameters needed to find \c search as a string
+ * that can be dispatched to the LyX core in a FuncRequest wrapper.
+ */
+docstring const find2string(docstring const & search,
+ bool casesensitive,
+ bool matchword,
+ bool forward);
+
+/** Encode the parameters needed to replace \c search with \c replace
+ * as a string that can be dispatched to the LyX core in a FuncRequest
+ * wrapper.
+ */
+docstring const replace2string(docstring const & replace,
+ docstring const & search,
+ bool casesensitive,
+ bool matchword,
+ bool all,
+ bool forward,
+ bool findnext = true);
+
+/** Parse the string encoding of the find request that is found in
+ * \c ev.argument and act on it.
+ * The string is encoded by \c find2string.
+ * \return true if the string was found.
+ */
+bool lyxfind(BufferView * bv, FuncRequest const & ev);
+
+/** Parse the string encoding of the replace request that is found in
+ * \c ev.argument and act on it.
+ * The string is encoded by \c replace2string.
+ * \return whether we did anything
+ */
+bool lyxreplace(BufferView * bv,
+ FuncRequest const &, bool has_deleted = false);
+
+/// find the next change in the buffer
+bool findNextChange(BufferView * bv);
+
+/// find the previous change in the buffer
+bool findPreviousChange(BufferView * bv);
+
+/// select change under the cursor
+bool selectChange(Cursor & cur, bool forward = true);
+
+
+class FindAndReplaceOptions {
+public:
+ typedef enum {
+ S_BUFFER,
+ S_DOCUMENT,
+ S_OPEN_BUFFERS,
+ S_ALL_MANUALS
+ } SearchScope;
+ typedef enum {
+ R_EVERYTHING,
+ R_ONLY_MATHS
+ } SearchRestriction;
+ FindAndReplaceOptions(
+ docstring const & find_buf_name,
+ bool casesensitive,
+ bool matchword,
+ bool forward,
+ bool expandmacros,
+ bool ignoreformat,
+ docstring const & repl_buf_name,
+ bool keep_case,
+ SearchScope scope = S_BUFFER,
+ SearchRestriction restr = R_EVERYTHING,
+ bool replace_all = false
+ );
+ FindAndReplaceOptions() : casesensitive(false), matchword(false), forward(false),
+ expandmacros(false), ignoreformat(false),
+ keep_case(false), scope(S_BUFFER), restr(R_EVERYTHING), replace_all(false) {}
+ docstring find_buf_name;
+ bool casesensitive;
+ bool matchword;
+ bool forward;
+ bool expandmacros;
+ bool ignoreformat;
+ /// This is docstring() if no replace was requested
+ docstring repl_buf_name;
+ bool keep_case;
+ SearchScope scope;
+ SearchRestriction restr;
+ bool replace_all;
+};
+
+/// Set the formats that should be ignored
+void setIgnoreFormat(std::string const & type, bool value);
+
+/// Write a FindAdvOptions instance to a stringstream
+std::ostringstream & operator<<(std::ostringstream & os, lyx::FindAndReplaceOptions const & opt);