+/**
+ dtl-1.12 -- Diff Template Library
+
+ In short, Diff Template Library is distributed under so called "BSD license",
+
+ Copyright (c) 2008-2011 Tatsuhiko Kubo <cubicdaiya@gmail.com>
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without modification,
+ are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ * Neither the name of the authors nor the names of its contributors
+ may be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/* If you use this library, you must include dtl.hpp only. */
+
+#ifndef DTL_FUNCTORS_H
+#define DTL_FUNCTORS_H
+
+namespace dtl {
+
+ /**
+ * printer class template
+ */
+ template <typename sesElem, typename stream = ostream >
+ class Printer
+ {
+ public :
+ Printer () : out_(cout) {}
+ Printer (stream& out) : out_(out) {}
+ virtual ~Printer () {}
+ virtual void operator() (const sesElem& se) const = 0;
+ protected :
+ stream& out_;
+ };
+
+ /**
+ * common element printer class template
+ */
+ template <typename sesElem, typename stream = ostream >
+ class CommonPrinter : public Printer < sesElem, stream >
+ {
+ public :
+ CommonPrinter () : Printer < sesElem, stream > () {}
+ CommonPrinter (stream& out) : Printer < sesElem, stream > (out) {}
+ ~CommonPrinter () {}
+ void operator() (const sesElem& se) const {
+ this->out_ << SES_MARK_COMMON << se.first << endl;
+ }
+ };
+
+ /**
+ * ses element printer class template
+ */
+ template <typename sesElem, typename stream = ostream >
+ class ChangePrinter : public Printer < sesElem, stream >
+ {
+ public :
+ ChangePrinter () : Printer < sesElem, stream > () {}
+ ChangePrinter (stream& out) : Printer < sesElem, stream > (out) {}
+ ~ChangePrinter () {}
+ void operator() (const sesElem& se) const {
+ switch (se.second.type) {
+ case SES_ADD:
+ this->out_ << SES_MARK_ADD << se.first << endl;
+ break;
+ case SES_DELETE:
+ this->out_ << SES_MARK_DELETE << se.first << endl;
+ break;
+ case SES_COMMON:
+ this->out_ << SES_MARK_COMMON << se.first << endl;
+ break;
+ }
+ }
+ };
+
+ /**
+ * unfiend format element printer class template
+ */
+ template <typename sesElem, typename stream = ostream >
+ class UniHunkPrinter
+ {
+ public :
+ UniHunkPrinter () : out_(cout) {}
+ UniHunkPrinter (stream& out) : out_(out) {}
+ ~UniHunkPrinter () {}
+ void operator() (const uniHunk< sesElem >& hunk) const {
+ out_ << "@@"
+ << " -" << hunk.a << "," << hunk.b
+ << " +" << hunk.c << "," << hunk.d
+ << " @@" << endl;
+
+ for_each(hunk.common[0].begin(), hunk.common[0].end(), CommonPrinter< sesElem, stream >(out_));
+ for_each(hunk.change.begin(), hunk.change.end(), ChangePrinter< sesElem, stream >(out_));
+ for_each(hunk.common[1].begin(), hunk.common[1].end(), CommonPrinter< sesElem, stream >(out_));
+ }
+ private :
+ stream& out_;
+ };
+
+ /**
+ * compare class template
+ */
+ template <typename elem>
+ class Compare
+ {
+ public :
+ Compare () {}
+ virtual ~Compare () {}
+ virtual inline bool impl (const elem& e1, const elem& e2) const {
+ return e1 == e2;
+ }
+ };
+}
+
+#endif // DTL_FUNCTORS_H