1 files changed, 105 insertions, 0 deletions
diff --git a/debian/htdig/htdig-3.2.0b6/htlib/HtRegex.cc b/debian/htdig/htdig-3.2.0b6/htlib/HtRegex.cc
new file mode 100644
index 00000000..a0f74038
--- /dev/null
+++ b/debian/htdig/htdig-3.2.0b6/htlib/HtRegex.cc
@@ -0,0 +1,105 @@
+//
+// HtRegex.cc
+//
+// HtRegex: A simple C++ wrapper class for the system regex routines.
+//
+// Part of the ht://Dig package   <http://www.htdig.org/>
+// Copyright (c) 1999-2004 The ht://Dig Group
+// For copyright details, see the file COPYING in your distribution
+// or the GNU Library General Public License (LGPL) version 2 or later 
+// <http://www.gnu.org/copyleft/lgpl.html>
+//
+// $Id: HtRegex.cc,v 1.13 2004/05/28 13:15:21 lha Exp $
+//
+
+#ifdef HAVE_CONFIG_H
+#include "htconfig.h"
+#endif /* HAVE_CONFIG_H */
+
+#include "HtRegex.h"
+#include <locale.h>
+
+
+HtRegex::HtRegex() : compiled(0) { }
+
+HtRegex::HtRegex(const char *str, int case_sensitive) : compiled(0)
+{
+        set(str, case_sensitive);
+}
+
+HtRegex::~HtRegex()
+{
+	if (compiled != 0) regfree(&re);
+	compiled = 0;
+}
+
+const String &HtRegex::lastError()
+{
+	return lastErrorMessage;
+}
+
+int
+HtRegex::set(const char * str, int case_sensitive)
+{
+  if (compiled != 0) regfree(&re);
+
+  int err;
+  compiled = 0;
+  if (str == NULL) return 0;
+  if (strlen(str) <= 0) return 0;
+  if (err = regcomp(&re, str, case_sensitive ? REG_EXTENDED : (REG_EXTENDED|REG_ICASE)), err == 0)
+    {
+      compiled = 1;
+    }
+  else
+    {
+      size_t len = regerror(err, &re, 0, 0);
+      char *buf = new char[len];
+      regerror(err, &re, buf, len);
+      lastErrorMessage = buf;
+      delete buf;
+    }
+  return compiled;
+}
+
+int
+HtRegex::setEscaped(StringList &list, int case_sensitive)
+{
+    String *str;
+    String transformedLimits;
+    list.Start_Get();
+    while ((str = (String *) list.Get_Next()))
+      {
+	if (str->indexOf('[') == 0 && str->lastIndexOf(']') == str->length()-1)
+	  {
+	    transformedLimits << str->sub(1,str->length()-2).get();
+	  }
+	else 	// Backquote any regex special characters
+	  {
+	    for (int pos = 0; pos < str->length(); pos++)
+	      { 
+		if (strchr("^.[$()|*+?{\\", str->Nth(pos)))
+		  transformedLimits << '\\';
+		transformedLimits << str->Nth(pos);
+	      }
+	  }
+	transformedLimits << "|";
+      }
+    transformedLimits.chop(1);
+
+    return set(transformedLimits, case_sensitive);
+}
+
+int
+HtRegex::match(const char * str, int nullpattern, int nullstr)
+{
+	int	rval;
+	
+	if (compiled == 0) return(nullpattern);
+	if (str == NULL) return(nullstr);
+	if (strlen(str) <= 0) return(nullstr);
+	rval = regexec(&re, str, (size_t) 0, NULL, 0);
+	if (rval == 0) return(1);
+	else return(0);
+}
+