Added new experimental captures support.

[SVN r21243]

test/captures/captures_test.cpp

@@ -0,0 +1,90 @@
+
+#include <boost/regex.hpp>
+#include <boost/test/test_tools.hpp>
+#include <boost/array.hpp>
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
+
+template <class T>
+void test_captures(const std::string& regx, const std::string& text, T& expected)
+{
+   boost::regex e(regx);
+   boost::smatch what;
+   if(boost::regex_match(text, what, e, boost::match_extra))
+   {
+      unsigned i, j;
+      BOOST_TEST(what.size() == ARRAY_SIZE(expected));
+      for(i = 0; i < what.size(); ++i)
+      {
+         BOOST_TEST(what.captures(i).size() <= ARRAY_SIZE(expected[i]));
+         for(j = 0; j < what.captures(i).size(); ++j)
+         {
+            BOOST_TEST(what.captures(i)[j] == expected[i][j]);
+         }
+      }
+   }
+}
+
+int test_main(int , char* [])
+{
+   typedef const char* pchar;
+   pchar e1[4][5] = 
+   {
+      { "aBBcccDDDDDeeeeeeee", },
+      { "a", "BB", "ccc", "DDDDD", "eeeeeeee", },
+      { "a", "ccc", "eeeeeeee", },
+      { "BB", "DDDDD", },
+   };
+   test_captures("(([[:lower:]]+)|([[:upper:]]+))+", "aBBcccDDDDDeeeeeeee", e1);
+   pchar e2[4][2] = 
+   {
+      { "abd" },
+      { "b", "" },
+      { "" },
+   };
+   test_captures("a(b+|((c)*))+d", "abd", e2);
+   pchar e3[3][1] = 
+   {
+      { "abcbar" },
+      { "abc" },
+   };
+   test_captures("(.*)bar|(.*)bah", "abcbar", e3);
+   pchar e4[3][1] = 
+   {
+      { "abcbah" },
+      { 0, },
+      { "abc" },
+   };
+   test_captures("(.*)bar|(.*)bah", "abcbah", e4);
+   pchar e5[2][16] = 
+   {
+      { "now is the time for all good men to come to the aid of the party" },
+      { "now", "is", "the", "time", "for", "all", "good", "men", "to", "come", "to", "the", "aid", "of", "the", "party" },
+   };
+   test_captures("^(?:(\\w+)|(?>\\W+))*$", "now is the time for all good men to come to the aid of the party", e5);
+   pchar e6[2][16] = 
+   {
+      { "now is the time for all good men to come to the aid of the party" },
+      { "now", "is", "the", "time", "for", "all", "good", "men", "to", "come", "to", "the", "aid", "of", "the", "party" },
+   };
+   test_captures("^(?>(\\w+)\\W*)*$", "now is the time for all good men to come to the aid of the party", e6);
+   pchar e7[4][14] = 
+   {
+      { "now is the time for all good men to come to the aid of the party" },
+      { "now" },
+      { "is", "the", "time", "for", "all", "good", "men", "to", "come", "to", "the", "aid", "of", "the" },
+      { "party" },
+   };
+   test_captures("^(\\w+)\\W+(?>(\\w+)\\W+)*(\\w+)$", "now is the time for all good men to come to the aid of the party", e7);
+   pchar e8[5][9] = 
+   {
+      { "now is the time for all good men to come to the aid of the party" } ,
+      { "now" },
+      { "is", "for", "men", "to", "of" },
+      { "the", "time", "all", "good", "to", "come", "the", "aid", "the" },
+      { "party" },
+   };
+   test_captures("^(\\w+)\\W+(?>(\\w+)\\W+(?:(\\w+)\\W+){0,2})*(\\w+)$", "now is the time for all good men to come to the aid of the party", e8);
+   return 0;
+}
+