ref: refs/heads/master
commit d10d32b5a58c076127c473dbc9583d6f981f549d
Author: Michael Andres
Date: Fri Oct 9 13:49:06 2009 +0200
Add iostr::tee/copy/copyIndent: istream to ostream copy, optionally with indentation
---
zypp/base/IOStream.h | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 50 insertions(+), 0 deletions(-)
diff --git a/zypp/base/IOStream.h b/zypp/base/IOStream.h
index dec713f..4129381 100644
--- a/zypp/base/IOStream.h
+++ b/zypp/base/IOStream.h
@@ -43,6 +43,56 @@ namespace zypp
*/
std::string getline( std::istream & str );
+ /** Copy istream to ostream.
+ * \return reference to the ostream.
+ */
+ inline std::ostream & copy( std::istream & from_r, std::ostream & to_r )
+ {
+ if ( from_r && to_r )
+ {
+ char ch;
+ while ( from_r && from_r.get( ch ) )
+ to_r.put( ch );
+ }
+ return to_r;
+ }
+
+ /** Copy istream to ostream, prefixing each line with \a indent_r (default <tt>"> "</tt> ).
+ * \return reference to the ostream.
+ */
+ inline std::ostream & copyIndent( std::istream & from_r, std::ostream & to_r, const std::string & indent_r = "> " )
+ {
+ if ( from_r && to_r )
+ {
+ char ch;
+ bool indent = true;
+ while ( from_r && from_r.get( ch ) )
+ {
+ if ( indent )
+ to_r << indent_r;
+ indent = ( ch == '\n' );
+ to_r.put( ch );
+ }
+ }
+ return to_r;
+ }
+
+ /** Copy istream to ostream, prefixing each line with \a indent_r (default <tt>"> "</tt> ).
+ * \return reference to the ostream.
+ */
+ inline void tee( std::istream & from_r, std::ostream & to1_r, std::ostream & to2_r )
+ {
+ if ( from_r && ( to1_r ||to2_r ) )
+ {
+ char ch;
+ while ( from_r && from_r.get( ch ) )
+ {
+ to1_r.put( ch );
+ to2_r.put( ch );
+ }
+ }
+ }
+
///////////////////////////////////////////////////////////////////
//
// CLASS NAME : EachLine
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