String Algorithm Library: initial commit

[SVN r22431]

string/example/trim_example.cpp

@@ -0,0 +1,47 @@
+//  Boost string_algo library example file  ---------------------------------//
+
+//  Copyright Pavol Droba 2002-2003. Use, modification and
+//  distribution is subject to the Boost Software License, Version
+//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org for updates, documentation, and revision history.
+
+#include <string>
+#include <iostream>
+#include <boost/algorithm/string/trim.hpp>
+#include <boost/algorithm/string/classification.hpp>
+
+using namespace std;
+using namespace boost;
+
+int main()
+{
+    cout << "* Trim Example *" << endl << endl;
+
+    string str1("     1x x x x1     ");
+    string str2("<>trim<>");
+    string str3("123abs343");
+
+    // Simple left trim
+    cout << "trim_left copy of str1: " << "\"" << trim_left_copy( str1 ) << "\"" << endl;
+
+    // Inplace right trim
+    trim_right( str1 );
+    cout << "trim_right on str1: " << "\"" << str1 << "\"" << endl;
+
+    // Parametric trim. 'Space' is defined using is_any_of predicate
+    cout 
+        << "trimmed copy of str4 ( space='<>' ): " 
+        << "\""<< trim_copy_if( str2, is_any_of("<>") ) << "\"" << endl;
+    
+
+    // Parametric trim. 'Space' is defined using is_digit predicate
+    cout 
+        << "trimmed copy of str5 ( space=digit ): " 
+        << "\"" << trim_copy_if( str3, is_digit() ) << "\"" << endl;
+
+    cout << endl;
+
+    return 0;
+}