149 lines
4.4 KiB
C++
149 lines
4.4 KiB
C++
/**
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dtl -- Diff Template Library
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In short, Diff Template Library is distributed under so called "BSD license",
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Copyright (c) 2015 Tatsuhiko Kubo <cubicdaiya@gmail.com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of the authors nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* If you use this library, you must include dtl.hpp only. */
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#ifndef DTL_FUNCTORS_H
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#define DTL_FUNCTORS_H
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#include "variables.hpp"
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namespace dtl {
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/**
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* printer class template
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*/
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template <typename sesElem, typename stream = std::ostream> class Printer {
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public:
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Printer() : out_(std::cout) {}
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Printer(stream &out) : out_(out) {}
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virtual ~Printer() {}
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virtual void operator()(const sesElem &se) const = 0;
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protected:
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stream &out_;
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};
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/**
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* common element printer class template
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*/
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template <typename sesElem, typename stream = std::ostream>
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class CommonPrinter : public Printer<sesElem, stream> {
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public:
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CommonPrinter() : Printer<sesElem, stream>() {}
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CommonPrinter(stream &out) : Printer<sesElem, stream>(out) {}
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~CommonPrinter() {}
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void operator()(const sesElem &se) const {
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this->out_ << SES_MARK_COMMON << se.first << endl;
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}
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};
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/**
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* ses element printer class template
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*/
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template <typename sesElem, typename stream = std::ostream>
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class ChangePrinter : public Printer<sesElem, stream> {
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public:
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ChangePrinter() : Printer<sesElem, stream>() {}
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ChangePrinter(stream &out) : Printer<sesElem, stream>(out) {}
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~ChangePrinter() {}
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void operator()(const sesElem &se) const {
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switch (se.second.type) {
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case SES_ADD:
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this->out_ << SES_MARK_ADD << se.first << endl;
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break;
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case SES_DELETE:
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this->out_ << SES_MARK_DELETE << se.first << endl;
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break;
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case SES_COMMON:
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this->out_ << SES_MARK_COMMON << se.first << endl;
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break;
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}
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}
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};
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/**
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* unified format element printer class template
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*/
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template <typename sesElem, typename stream = ostream> class UniHunkPrinter {
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public:
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UniHunkPrinter() : out_(cout) {}
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UniHunkPrinter(stream &out) : out_(out) {}
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~UniHunkPrinter() {}
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void operator()(const uniHunk<sesElem> &hunk) const {
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out_ << "@@"
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<< " -" << hunk.a << "," << hunk.b << " +" << hunk.c << "," << hunk.d
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<< " @@" << endl;
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for_each(hunk.common[0].begin(), hunk.common[0].end(),
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CommonPrinter<sesElem, stream>(out_));
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for_each(hunk.change.begin(), hunk.change.end(),
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ChangePrinter<sesElem, stream>(out_));
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for_each(hunk.common[1].begin(), hunk.common[1].end(),
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CommonPrinter<sesElem, stream>(out_));
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}
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private:
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stream &out_;
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};
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/**
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* storage class template
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*/
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template <typename sesElem, typename storedData> class Storage {
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public:
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Storage(storedData &sd) : storedData_(sd) {}
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virtual ~Storage() {}
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virtual void operator()(const sesElem &se) const = 0;
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protected:
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storedData &storedData_;
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};
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/**
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* compare class template
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*/
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template <typename elem> class Compare {
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public:
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Compare() {}
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virtual ~Compare() {}
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virtual inline bool impl(const elem &e1, const elem &e2) const {
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return e1 == e2;
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}
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};
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} // namespace dtl
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#endif // DTL_FUNCTORS_H
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