+// ----------------------------------------------------------------------------
+// regular expressions
+// ----------------------------------------------------------------------------
+
+#ifdef TEST_REGEX
+
+#include <wx/regex.h>
+
+static void TestRegExCompile()
+{
+ wxPuts(_T("*** Testing RE compilation ***\n"));
+
+ static struct RegExCompTestData
+ {
+ const wxChar *pattern;
+ bool correct;
+ } regExCompTestData[] =
+ {
+ { _T("foo"), TRUE },
+ { _T("foo("), FALSE },
+ { _T("foo(bar"), FALSE },
+ { _T("foo(bar)"), TRUE },
+ { _T("foo["), FALSE },
+ { _T("foo[bar"), FALSE },
+ { _T("foo[bar]"), TRUE },
+ { _T("foo{"), TRUE },
+ { _T("foo{1"), FALSE },
+ { _T("foo{bar"), TRUE },
+ { _T("foo{1}"), TRUE },
+ { _T("foo{1,2}"), TRUE },
+ { _T("foo{bar}"), TRUE },
+ { _T("foo*"), TRUE },
+ { _T("foo**"), FALSE },
+ { _T("foo+"), TRUE },
+ { _T("foo++"), FALSE },
+ { _T("foo?"), TRUE },
+ { _T("foo??"), FALSE },
+ { _T("foo?+"), FALSE },
+ };
+
+ wxRegEx re;
+ for ( size_t n = 0; n < WXSIZEOF(regExCompTestData); n++ )
+ {
+ const RegExCompTestData& data = regExCompTestData[n];
+ bool ok = re.Compile(data.pattern);
+
+ wxPrintf(_T("'%s' is %sa valid RE (%s)\n"),
+ data.pattern,
+ ok ? _T("") : _T("not "),
+ ok == data.correct ? _T("ok") : _T("ERROR"));
+ }
+}
+
+static void TestRegExMatch()
+{
+ wxPuts(_T("*** Testing RE matching ***\n"));
+
+ static struct RegExMatchTestData
+ {
+ const wxChar *pattern;
+ const wxChar *text;
+ bool correct;
+ } regExMatchTestData[] =
+ {
+ { _T("foo"), _T("bar"), FALSE },
+ { _T("foo"), _T("foobar"), TRUE },
+ { _T("^foo"), _T("foobar"), TRUE },
+ { _T("^foo"), _T("barfoo"), FALSE },
+ { _T("bar$"), _T("barbar"), TRUE },
+ { _T("bar$"), _T("barbar "), FALSE },
+ };
+
+ for ( size_t n = 0; n < WXSIZEOF(regExMatchTestData); n++ )
+ {
+ const RegExMatchTestData& data = regExMatchTestData[n];
+
+ wxRegEx re(data.pattern);
+ bool ok = re.Matches(data.text);
+
+ wxPrintf(_T("'%s' %s %s (%s)\n"),
+ data.pattern,
+ ok ? _T("matches") : _T("doesn't match"),
+ data.text,
+ ok == data.correct ? _T("ok") : _T("ERROR"));
+ }
+}
+
+static void TestRegExSubmatch()
+{
+ wxPuts(_T("*** Testing RE subexpressions ***\n"));
+
+ wxRegEx re(_T("([[:alpha:]]+) ([[:alpha:]]+) ([[:digit:]]+).*([[:digit:]]+)$"));
+ if ( !re.IsValid() )
+ {
+ wxPuts(_T("ERROR: compilation failed."));
+ return;
+ }
+
+ wxString text = _T("Fri Jul 13 18:37:52 CEST 2001");
+
+ if ( !re.Matches(text) )
+ {
+ wxPuts(_T("ERROR: match expected."));
+ }
+ else
+ {
+ wxPrintf(_T("Entire match: %s\n"), re.GetMatch(text).c_str());
+
+ wxPrintf(_T("Date: %s/%s/%s, wday: %s\n"),
+ re.GetMatch(text, 3).c_str(),
+ re.GetMatch(text, 2).c_str(),
+ re.GetMatch(text, 4).c_str(),
+ re.GetMatch(text, 1).c_str());
+ }
+}
+
+static void TestRegExReplacement()
+{
+ wxPuts(_T("*** Testing RE replacement ***"));
+
+ static struct RegExReplTestData
+ {
+ const wxChar *text;
+ const wxChar *repl;
+ const wxChar *result;
+ size_t count;
+ } regExReplTestData[] =
+ {
+ { _T("foo123"), _T("bar"), _T("bar"), 1 },
+ { _T("foo123"), _T("\\2\\1"), _T("123foo"), 1 },
+ { _T("foo_123"), _T("\\2\\1"), _T("123foo"), 1 },
+ { _T("123foo"), _T("bar"), _T("123foo"), 0 },
+ { _T("123foo456foo"), _T("&&"), _T("123foo456foo456foo"), 1 },
+ { _T("foo123foo123"), _T("bar"), _T("barbar"), 2 },
+ { _T("foo123_foo456_foo789"), _T("bar"), _T("bar_bar_bar"), 3 },
+ };
+
+ const wxChar *pattern = _T("([a-z]+)[^0-9]*([0-9]+)");
+ wxRegEx re = pattern;
+
+ wxPrintf(_T("Using pattern '%s' for replacement.\n"), pattern);
+
+ for ( size_t n = 0; n < WXSIZEOF(regExReplTestData); n++ )
+ {
+ const RegExReplTestData& data = regExReplTestData[n];
+
+ wxString text = data.text;
+ size_t nRepl = re.Replace(&text, data.repl);
+
+ wxPrintf(_T("%s =~ s/RE/%s/g: %u match%s, result = '%s' ("),
+ data.text, data.repl,
+ nRepl, nRepl == 1 ? _T("") : _T("es"),
+ text.c_str());
+ if ( text == data.result && nRepl == data.count )
+ {
+ wxPuts(_T("ok)"));
+ }
+ else
+ {
+ wxPrintf(_T("ERROR: should be %u and '%s')\n"),
+ data.count, data.result);
+ }
+ }
+}
+
+static void TestRegExInteractive()
+{
+ wxPuts(_T("*** Testing RE interactively ***"));
+
+ for ( ;; )
+ {
+ char pattern[128];
+ printf("\nEnter a pattern: ");
+ if ( !fgets(pattern, WXSIZEOF(pattern), stdin) )
+ break;
+
+ // kill the last '\n'
+ pattern[strlen(pattern) - 1] = 0;
+
+ wxRegEx re;
+ if ( !re.Compile(pattern) )
+ {
+ continue;
+ }
+
+ char text[128];
+ for ( ;; )
+ {
+ printf("Enter text to match: ");
+ if ( !fgets(text, WXSIZEOF(text), stdin) )
+ break;
+
+ // kill the last '\n'
+ text[strlen(text) - 1] = 0;
+
+ if ( !re.Matches(text) )
+ {
+ printf("No match.\n");
+ }
+ else
+ {
+ printf("Pattern matches at '%s'\n", re.GetMatch(text).c_str());
+
+ size_t start, len;
+ for ( size_t n = 1; ; n++ )
+ {
+ if ( !re.GetMatch(&start, &len, n) )
+ {
+ break;
+ }
+
+ printf("Subexpr %u matched '%s'\n",
+ n, wxString(text + start, len).c_str());
+ }
+ }
+ }
+ }
+}
+
+#endif // TEST_REGEX
+
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