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//
// HtRegexReplaceList.cc
//
// HtRegexReplaceList: Perform RegexReplace on a list of from/to pairs.
// Patterns are applied in order; pattern matching
// doesn't stop when a match occurs.
//
// Part of the ht://Dig package <http://www.htdig.org/>
// Copyright (c) 2000-2004 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: HtRegexReplaceList.cc,v 1.5 2004/05/28 13:15:21 lha Exp $
//
//
#ifdef HAVE_CONFIG_H
#include "htconfig.h"
#endif /* HAVE_CONFIG_H */
#include "HtRegexReplaceList.h"
#ifdef HAVE_STD
#include <iostream>
#ifdef HAVE_NAMESPACES
using namespace std;
#endif
#else
#include <iostream.h>
#endif /* HAVE_STD */
HtRegexReplaceList::HtRegexReplaceList(StringList &list, int case_sensitive )
{
if (list.Count() & 1)
{
lastErrorMessage = "HtRegexReplaceList needs an even number of strings";
return;
}
int i;
String err;
for (i = 0; i < list.Count(); i += 2)
{
String from = list[i];
String to = list[i+1];
HtRegexReplace *replacer = new HtRegexReplace(from.get(), to.get(), case_sensitive);
replacers.Add(replacer); // Stash it even if there's an error so it will get destroyed later
const String &err = replacer->lastError();
if (err.length() != 0)
{
lastErrorMessage = err;
return;
}
}
}
HtRegexReplaceList::~HtRegexReplaceList()
{
// replacers gets chucked away
}
int HtRegexReplaceList::replace(String &str, int nullpattern , int nullstr )
{
int repCount = replacers.Count();
int doneCount = 0;
for (int rep = 0; rep < repCount; rep++)
{
HtRegexReplace *replacer = (HtRegexReplace *) replacers[rep];
if (replacer->replace(str, nullpattern, nullstr) > 0)
doneCount++;
}
return doneCount;
}
const String &HtRegexReplaceList::lastError()
{
return lastErrorMessage;
}
// End of HtRegexReplaceList.cc
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