squash gcc warning

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

diff --git a/src/support/qstring_helpers.h b/src/support/qstring_helpers.h
index b47f5fe5fe0c39c3bd3d78ec3f9859d174662b3c..206d23948694693c48a5aee242e9f2ce08c307c1 100644 (file)
--- a/src/support/qstring_helpers.h
+++ b/src/support/qstring_helpers.h
@@ -15,6 +15,7 @@
 #include "support/docstring.h"
 
 #include <QString>
+#include <QVector>
 
 namespace lyx {
 
@@ -60,9 +61,19 @@ 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());
+       return QString::fromUcs4((uint const *)ucs4.data(), ucs4.length());
 }
 
+/**
+ * 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.
+ */
+inline QString const toqstr(char_type ucs4)
+{
+       return QString::fromUcs4((uint const *)&ucs4, 1);
+}
 
 /**
  * qstring_to_ucs4 - convert a QString into a UCS4 encoded docstring
@@ -70,8 +81,13 @@ 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);
-
+inline docstring const qstring_to_ucs4(QString const & qstr)
+{
+       if (qstr.isEmpty())
+               return docstring();
+       QVector<uint> const ucs4 = qstr.toUcs4();
+       return docstring((char_type const *)(ucs4.constData()), ucs4.size());
+}
 
 /**
  * fromqstr - convert a QString into a UTF8 encoded std::string
@@ -79,7 +95,10 @@ 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);
+inline std::string const fromqstr(QString const & str)
+{
+       return str.isEmpty() ? std::string() : std::string(str.toUtf8());
+}
 
 } // namespace lyx