Maintain plain layout for separating paragraphs when switching layouts (#11936)

[lyx.git] / src / support / qstring_helpers.h

diff --git a/src/support/qstring_helpers.h b/src/support/qstring_helpers.h
index b47f5fe5fe0c39c3bd3d78ec3f9859d174662b3c..e33131caa594053b5ba4b06ff32c6fcbbbca5613 100644 (file)
--- a/src/support/qstring_helpers.h
+++ b/src/support/qstring_helpers.h
@@ -12,22 +12,23 @@
 #ifndef QSTRING_HELPERS_H
 #define QSTRING_HELPERS_H
 
-#include "support/docstring.h"
+#include "support/strfwd.h"
 
-#include <QString>
+class QString;
 
 namespace lyx {
 
+class LyXErr;
+
+LyXErr & operator<<(LyXErr &, QString const &);
+
 /**
  * toqstr - convert a UTF8 encoded char * into a QString
  *
  * This should not be used, since all possibly non-ASCII stuff should be
  * stored in a docstring.
  */
-inline QString const toqstr(char const * str)
-{
-       return QString::fromUtf8(str);
-}
+QString toqstr(char const * str);
 
 
 /**
@@ -36,10 +37,7 @@ inline QString const toqstr(char const * str)
  * This should not be used, since all possibly non-ASCII stuff should be
  * stored in a docstring.
  */
-inline QString const toqstr(std::string const & str)
-{
-       return toqstr(str.c_str());
-}
+QString toqstr(std::string const & str);
 
 
 /// Is \p c a valid utf16 char?
@@ -56,13 +54,15 @@ inline bool is_utf16(char_type c)
  * This is the preferred method of converting anything that possibly
  * contains non-ASCII stuff to QString.
  */
-inline QString const toqstr(docstring const & ucs4)
-{
-       // If possible we let qt do the work, since this version does not
-       // need to be superfast.
-       return QString::fromUcs4(reinterpret_cast<uint const *>(ucs4.data()), ucs4.length());
-}
+QString toqstr(docstring const & ucs4);
 
+/**
+ * toqstr - convert a UCS4 encoded character into a QString
+ *
+ * This is the preferred method of converting anything that possibly
+ * contains non-ASCII stuff to QString.
+ */
+QString toqstr(char_type ucs4);
 
 /**
  * qstring_to_ucs4 - convert a QString into a UCS4 encoded docstring
@@ -70,8 +70,7 @@ inline QString const toqstr(docstring const & ucs4)
  * This is the preferred method of converting anything that possibly
  * contains non-ASCII stuff to docstring.
  */
-docstring const qstring_to_ucs4(QString const & qstr);
-
+docstring qstring_to_ucs4(QString const & qstr);
 
 /**
  * fromqstr - convert a QString into a UTF8 encoded std::string
@@ -79,7 +78,19 @@ docstring const qstring_to_ucs4(QString const & qstr);
  * This should not be used except for output to lyxerr, since all possibly
  * non-ASCII stuff should be stored in a docstring.
  */
-std::string const fromqstr(QString const & str);
+std::string fromqstr(QString const & str);
+
+/**
+ * constructs a regex to filter on consecutive characters
+ * matches lower- and uppercase on lowercase characters,
+ * and just uppercase for uppercase
+ */
+QString charFilterRegExp(QString const & filter);
+
+/**
+ * as above, but constructs a capturing regex for a sequence of characters
+ */
+QString charFilterRegExpC(QString const & filter);
 
 } // namespace lyx