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+/* Abstract output stream for CSS styled text.
+ Copyright (C) 2006 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2006.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef _STYLED_OSTREAM_H
+#define _STYLED_OSTREAM_H
+
+#include "ostream.h"
+
+
+/* A styled output stream is an object to which one can feed a sequence of
+ bytes, marking some runs of text as belonging to specific CSS classes,
+ where the rendering of the CSS classes is defined through a CSS (cascading
+ style sheet). */
+
+struct styled_ostream : struct ostream
+{
+methods:
+
+ /* Start a run of text belonging to CLASSNAME. The CLASSNAME is the name
+ of a CSS class. It can be chosen arbitrarily and customized through
+ an inline or external CSS. */
+ void begin_use_class (styled_ostream_t stream, const char *classname);
+
+ /* End a run of text belonging to CLASSNAME.
+ The begin_use_class / end_use_class calls must match properly. */
+ void end_use_class (styled_ostream_t stream, const char *classname);
+};
+
+
+#endif /* _STYLED_OSTREAM_H */