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diff --git a/src/util/ege-tags.cpp b/src/util/ege-tags.cpp
--- /dev/null
+++ b/src/util/ege-tags.cpp
@@ -0,0 +1,178 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is EGE Tagging Support.
+ *
+ * The Initial Developer of the Original Code is
+ * Jon A. Cruz.
+ * Portions created by the Initial Developer are Copyright (C) 2009
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif // HAVE_CONFIG_H
+
+#if HAVE_LIBINTL_H
+#include <libintl.h>
+#endif // HAVE_LIBINTL_H
+
+#if !defined(_)
+#define _(s) gettext(s)
+#endif // !defined(_)
+
+#include <set>
+#include <algorithm>
+#include <functional>
+
+#include "ege-tags.h"
+
+#include <glib.h>
+
+namespace ege
+{
+
+Label::Label(std::string const& lang, std::string const& value) :
+ lang(lang),
+ value(value)
+{
+}
+
+Label::~Label()
+{
+}
+
+// =========================================================================
+
+Tag::~Tag()
+{
+}
+
+Tag::Tag(std::string const& key) :
+ key(key)
+{
+}
+
+// =========================================================================
+
+TagSet::TagSet() :
+ lang(),
+ tags(),
+ counts()
+{
+}
+
+TagSet::~TagSet()
+{
+}
+
+void TagSet::setLang(std::string const& lang)
+{
+ if (lang != this->lang) {
+ this->lang = lang;
+ }
+}
+
+
+struct sameLang : public std::binary_function<Label, Label, bool> {
+ bool operator()(Label const& x, Label const& y) const { return (x.lang == y.lang); }
+};
+
+
+bool TagSet::addTag(Tag const& tag)
+{
+ bool present = false;
+
+ for ( std::vector<Tag>::iterator it = tags.begin(); (it != tags.end()) && !present; ++it ) {
+ if (tag.key == it->key) {
+ present = true;
+
+ for ( std::vector<Label>::const_iterator it2 = tag.labels.begin(); it2 != tag.labels.end(); ++it2 ) {
+ std::vector<Label>::iterator itOld = std::find_if( it->labels.begin(), it->labels.end(), std::bind2nd(sameLang(), *it2) );
+ if (itOld != it->labels.end()) {
+ itOld->value = it2->value;
+ } else {
+ it->labels.push_back(*it2);
+ }
+ }
+ }
+ }
+
+ if (!present) {
+ tags.push_back(tag);
+ counts[tag.key] = 0;
+ }
+
+ return present;
+}
+
+
+std::vector<Tag> const& TagSet::getTags()
+{
+ return tags;
+}
+
+int TagSet::getCount( std::string const& key )
+{
+ int count = 0;
+ if ( counts.find(key) != counts.end() ) {
+ count = counts[key];
+ }
+ return count;
+}
+
+void TagSet::increment( std::string const& key )
+{
+ if ( counts.find(key) != counts.end() ) {
+ counts[key]++;
+ } else {
+ Tag tag(key);
+ tags.push_back(tag);
+ counts[key] = 1;
+ }
+}
+
+void TagSet::decrement( std::string const& key )
+{
+ if ( counts.find(key) != counts.end() ) {
+ counts[key]--;
+ }
+}
+
+} // namespace ege
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :