add remove_extra_whitespace() to libpbd
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@ -29,7 +29,7 @@ namespace PBD {
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// returns the empty string if the entire string is whitespace
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// so check length after calling.
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LIBPBD_API extern void strip_whitespace_edges (std::string& str);
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LIBPBD_API extern void remove_extra_whitespace (std::string const & in, std::string out);
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} // namespace PBD
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#endif // __pbd_whitespace_h__
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@ -16,6 +16,8 @@
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <algorithm>
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#include <ctype.h>
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#include "pbd/whitespace.h"
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@ -77,4 +79,11 @@ strip_whitespace_edges (string& str)
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}
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}
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void
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remove_extra_whitespace (string const & input, string & output)
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{
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std::unique_copy (input.begin(), input.end(), std::back_insert_iterator<string>(output), [](char a,char b){ return isspace(a) && isspace(b);});
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}
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} // namespace PBD
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