diff --git a/config/tawashi.ini b/config/tawashi.ini
new file mode 100644
index 0000000..1b9f9f0
--- /dev/null
+++ b/config/tawashi.ini
@@ -0,0 +1,5 @@
+[tawashi]
+redis_server = 127.0.0.1
+redis_port = 6379
+redis_mode = inet
+base_uri = http://127.0.0.1:8080
diff --git a/src/pathname/kakoune/assert.hh b/src/pathname/kakoune/assert.hh
new file mode 100644
index 0000000..87a1da3
--- /dev/null
+++ b/src/pathname/kakoune/assert.hh
@@ -0,0 +1,30 @@
+#ifndef assert_hh_INCLUDED
+#define assert_hh_INCLUDED
+
+namespace Kakoune
+{
+
+class StringView;
+
+// return true if user asked to ignore the error
+bool notify_fatal_error(StringView message);
+
+void on_assert_failed(const char* message);
+
+}
+
+#define STRINGIFY(X) #X
+#define TOSTRING(X) STRINGIFY(X)
+
+#ifdef KAK_DEBUG
+    #define kak_assert(...) do { \
+        if (not (__VA_ARGS__)) \
+            on_assert_failed("assert failed \"" #__VA_ARGS__ \
+                             "\" at " __FILE__ ":" TOSTRING(__LINE__)); \
+    } while (false)
+#else
+    #define kak_assert(...) do {} while(false)
+#endif
+
+
+#endif // assert_hh_INCLUDED
diff --git a/src/pathname/kakoune/ref_ptr.hh b/src/pathname/kakoune/ref_ptr.hh
new file mode 100644
index 0000000..692aa63
--- /dev/null
+++ b/src/pathname/kakoune/ref_ptr.hh
@@ -0,0 +1,133 @@
+#ifndef ref_ptr_hh_INCLUDED
+#define ref_ptr_hh_INCLUDED
+
+#include <utility>
+
+#if !defined(NDEBUG) && !defined(KAK_DEBUG)
+#	define KAK_DEBUG
+#endif
+
+namespace Kakoune
+{
+
+struct WorstMatch { [[gnu::always_inline]] WorstMatch(...) {} };
+
+[[gnu::always_inline]]
+inline void ref_ptr_moved(WorstMatch, void*, void*) noexcept {}
+
+template<typename T, typename TForOverload = T>
+struct RefPtr
+{
+    RefPtr() = default;
+    explicit RefPtr(T* ptr) : m_ptr(ptr) { acquire(); }
+    ~RefPtr() { release(); }
+    RefPtr(const RefPtr& other) : m_ptr(other.m_ptr) { acquire(); }
+    RefPtr(RefPtr&& other)
+        noexcept(noexcept(std::declval<RefPtr>().moved(nullptr)))
+        : m_ptr(other.m_ptr) { other.m_ptr = nullptr; moved(&other); }
+
+    RefPtr& operator=(const RefPtr& other)
+    {
+        if (other.m_ptr != m_ptr)
+        {
+            release();
+            m_ptr = other.m_ptr;
+            acquire();
+        }
+        return *this;
+    }
+
+    RefPtr& operator=(RefPtr&& other)
+    {
+        release();
+        m_ptr = other.m_ptr;
+        other.m_ptr = nullptr;
+        moved(&other);
+        return *this;
+    }
+
+    RefPtr& operator=(T* ptr)
+    {
+        if (ptr != m_ptr)
+        {
+            release();
+            m_ptr = ptr;
+            acquire();
+        }
+        return *this;
+    }
+
+    [[gnu::always_inline]]
+    T* operator->() const { return m_ptr; }
+    [[gnu::always_inline]]
+    T& operator*() const { return *m_ptr; }
+
+    [[gnu::always_inline]]
+    T* get() const { return m_ptr; }
+
+    [[gnu::always_inline]]
+    explicit operator bool() const { return m_ptr; }
+
+    void reset(T* ptr = nullptr)
+    {
+        if (ptr == m_ptr)
+            return;
+        release();
+        m_ptr = ptr;
+        acquire();
+    }
+
+    friend bool operator==(const RefPtr& lhs, const RefPtr& rhs) { return lhs.m_ptr == rhs.m_ptr; }
+    friend bool operator!=(const RefPtr& lhs, const RefPtr& rhs) { return lhs.m_ptr != rhs.m_ptr; }
+
+private:
+    T* m_ptr = nullptr;
+
+    [[gnu::always_inline]]
+    void acquire()
+    {
+        if (m_ptr)
+            inc_ref_count(static_cast<TForOverload*>(m_ptr), this);
+    }
+
+    [[gnu::always_inline]]
+    void release()
+    {
+        if (m_ptr)
+            dec_ref_count(static_cast<TForOverload*>(m_ptr), this);
+        m_ptr = nullptr;
+    }
+
+    [[gnu::always_inline]]
+    void moved(void* from)
+        noexcept(noexcept(ref_ptr_moved(static_cast<TForOverload*>(nullptr), nullptr, nullptr)))
+    {
+        if (m_ptr)
+            ref_ptr_moved(static_cast<TForOverload*>(m_ptr), from, this);
+    }
+};
+
+struct RefCountable
+{
+    int refcount = 0;
+    virtual ~RefCountable() = default;
+
+    friend void inc_ref_count(RefCountable* r, void*)
+    {
+        ++r->refcount;
+    }
+
+    friend void dec_ref_count(RefCountable* r, void*)
+    {
+        if (--r->refcount == 0)
+            delete r;
+    }
+};
+
+}
+
+#if defined(KAK_DEBUG)
+#	undef KAK_DEBUG
+#endif
+
+#endif // ref_ptr_hh_INCLUDED
diff --git a/src/pathname/kakoune/safe_ptr.hh b/src/pathname/kakoune/safe_ptr.hh
new file mode 100644
index 0000000..3ba71b3
--- /dev/null
+++ b/src/pathname/kakoune/safe_ptr.hh
@@ -0,0 +1,106 @@
+#ifndef safe_ptr_hh_INCLUDED
+#define safe_ptr_hh_INCLUDED
+
+// #define SAFE_PTR_TRACK_CALLSTACKS
+
+#include "ref_ptr.hh"
+
+#include <type_traits>
+#include <utility>
+
+#ifdef SAFE_PTR_TRACK_CALLSTACKS
+#include "vector.hh"
+#include <algorithm>
+#endif
+
+#include <cassert>
+
+#define kak_assert assert
+
+#if !defined(NDEBUG) && !defined(KAK_DEBUG)
+#	define KAK_DEBUG
+#endif
+
+namespace Kakoune
+{
+
+// *** SafePtr: objects that assert nobody references them when they die ***
+
+class SafeCountable
+{
+public:
+#ifdef KAK_DEBUG
+    SafeCountable() : m_count(0) {}
+    ~SafeCountable()
+    {
+        kak_assert(m_count == 0);
+        #ifdef SAFE_PTR_TRACK_CALLSTACKS
+        kak_assert(m_callstacks.empty());
+        #endif
+    }
+
+    friend void inc_ref_count(const SafeCountable* sc, void* /*ptr*/)
+    {
+        ++sc->m_count;
+        #ifdef SAFE_PTR_TRACK_CALLSTACKS
+        sc->m_callstacks.emplace_back(ptr);
+        #endif
+    }
+
+    friend void dec_ref_count(const SafeCountable* sc, void* /*ptr*/)
+    {
+        --sc->m_count;
+        kak_assert(sc->m_count >= 0);
+        #ifdef SAFE_PTR_TRACK_CALLSTACKS
+        auto it = std::find_if(sc->m_callstacks.begin(), sc->m_callstacks.end(),
+                               [=](const Callstack& cs) { return cs.ptr == ptr; });
+        kak_assert(it != sc->m_callstacks.end());
+        sc->m_callstacks.erase(it);
+        #endif
+    }
+
+    friend void ref_ptr_moved(const SafeCountable* /*sc*/, void* /*from*/, void* /*to*/)
+    {
+        #ifdef SAFE_PTR_TRACK_CALLSTACKS
+        auto it = std::find_if(sc->m_callstacks.begin(), sc->m_callstacks.end(),
+                               [=](const Callstack& cs) { return cs.ptr == from; });
+        kak_assert(it != sc->m_callstacks.end());
+        it->ptr = to;
+        #endif
+    }
+
+private:
+    #ifdef SAFE_PTR_TRACK_CALLSTACKS
+    struct Callstack
+    {
+        Callstack(void* p) : ptr(p) {}
+        void* ptr;
+        Backtrace bt;
+    };
+
+    mutable Vector<Callstack> m_callstacks;
+    #endif
+    mutable int m_count;
+#else
+    [[gnu::always_inline]]
+    friend void inc_ref_count(const SafeCountable* /*sc*/, void* /*ptr*/) {}
+
+    [[gnu::always_inline]]
+    friend void dec_ref_count(const SafeCountable* /*sc*/, void* /*ptr*/) {}
+#endif
+};
+
+template<typename T, typename U>
+using PropagateConst = typename std::conditional<std::is_const<T>::value, const U, U>::type;
+
+template<typename T>
+using SafePtr = RefPtr<T, PropagateConst<T, SafeCountable>>;
+
+}
+
+#if defined(KAK_DEBUG)
+#	undef KAK_DEBUG
+#endif
+#undef kak_assert
+
+#endif // safe_ptr_hh_INCLUDED
diff --git a/src/pathname/pathname.cpp b/src/pathname/pathname.cpp
new file mode 100644
index 0000000..6ee899e
--- /dev/null
+++ b/src/pathname/pathname.cpp
@@ -0,0 +1,254 @@
+/* Copyright 2015, 2016, Michele Santullo
+ * This file is part of "dindexer".
+ *
+ * "dindexer" is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * "dindexer" is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with "dindexer".  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "pathname.hpp"
+#include <algorithm>
+#include <functional>
+#include <ciso646>
+#include <iostream>
+#include <cassert>
+
+namespace mchlib {
+	const std::string PathName::m_empty_str("");
+
+	namespace {
+		std::string get_joint_atoms ( const StringPool<char>& parPool, bool parAbs, std::size_t parSkipRight=0 );
+		std::size_t calc_join_size ( const StringPool<char>& parPool, bool parAbs, std::size_t parSkipRight=0 );
+		std::size_t get_adjusted_atom_count ( const StringPool<char>& parPool, std::size_t parSkipRight );
+
+		std::size_t get_adjusted_atom_count (const StringPool<char>& parPool, std::size_t parSkipRight) {
+			const auto orig_atom_count = parPool.size();
+			const auto atom_count = (parSkipRight >= orig_atom_count ? 0 : orig_atom_count - parSkipRight);
+			return atom_count;
+		}
+
+		std::size_t calc_join_size (const StringPool<char>& parPool, bool parAbs, std::size_t parSkipRight) {
+			const auto atom_count = get_adjusted_atom_count(parPool, parSkipRight);
+			if (not atom_count) {
+				if (parPool.empty() and parAbs) {
+					return 1;
+				}
+				else {
+					return 0;
+				}
+			}
+
+			std::size_t reserve = (parAbs ? 1 : 0);
+			for (std::size_t z = 0; z < atom_count; ++z) {
+				reserve += parPool[z].size();
+			}
+			reserve += atom_count - 1;
+			return reserve;
+		}
+
+		std::size_t count_grouped (boost::string_ref parIn, char parDelim) {
+			std::size_t retval = 0;
+			char prev = '\0';
+			for (auto c : parIn) {
+				retval += (parDelim == c and prev != parDelim ? 1 : 0);
+				prev = c;
+			}
+			return retval;
+		}
+
+		void split_path (std::vector<boost::string_ref>* parOut, boost::string_ref parPath) {
+			auto from = parPath.begin();
+			boost::string_ref::const_iterator next;
+			const auto end = parPath.end();
+			const auto beg = parPath.begin();
+			while (end != (next = std::find(from, end, '/'))) {
+				if (next != from) {
+					parOut->push_back(parPath.substr(from - beg, next - from));
+					from = next;
+				}
+				++from;
+			}
+			if (next != from) {
+				parOut->push_back(parPath.substr(from - beg, next - from));
+			}
+		}
+
+		std::string get_joint_atoms (const StringPool<char>& parPool, bool parAbs, std::size_t parSkipRight) {
+			const auto reserve = calc_join_size(parPool, parAbs, parSkipRight);
+			switch (reserve) {
+			case 0:
+				//reserve 0 means the resulting string is empty
+				return std::string("");
+			case 1:
+				//when reserve is 1 and we're talking about an absolute path,
+				//the resulting string can only be "/"
+				if (parAbs) {
+					return std::string("/");
+				}
+			};
+
+			std::string out;
+			out.reserve(reserve);
+			const char* slash = (parAbs ? "/" : "");
+			const auto atom_count = get_adjusted_atom_count(parPool, parSkipRight);
+			for (std::size_t z = 0; z < atom_count; ++z) {
+				out += slash;
+				const auto& curr_itm = parPool[z];
+				out.insert(out.end(), curr_itm.begin(), curr_itm.end());
+				slash = "/";
+			}
+			assert(reserve == out.size());
+			return out;
+		}
+	} //unnamed namespace
+
+	PathName::PathName (boost::string_ref parPath) {
+		if (not parPath.empty()) {
+			m_absolute = ('/' == parPath.front());
+			std::string path(parPath.begin(), parPath.end());
+
+			const auto count = count_grouped(path, '/');
+			const std::size_t trailing = (path.back() == '/' ? 1 : 0);
+			const std::size_t absolute = (m_absolute ? 1 : 0);
+			const auto res = count + 1 - trailing - absolute;
+			std::vector<boost::string_ref> atoms;
+			atoms.reserve(res);
+			split_path(&atoms, path);
+			m_pool.insert(atoms, &path);
+		}
+		else {
+			m_original_path = nullptr;
+			m_absolute = false;
+		}
+	}
+
+	std::string PathName::path() const {
+		return get_joint_atoms(m_pool, m_absolute);
+	}
+
+	void PathName::join (const PathName& parOther) {
+		m_pool.update(parOther.m_pool);
+	}
+
+	const boost::string_ref PathName::operator[] (std::size_t parIndex) const {
+		return *(m_pool.begin() + parIndex);
+	}
+
+	std::size_t PathName::atom_count ( void ) const {
+		return m_pool.size();
+	}
+
+	void PathName::join (const char* parOther) {
+		const std::string src(parOther);
+		const boost::string_ref ref(src);
+		m_pool.insert(ref, &src);
+	}
+
+	void PathName::join (boost::string_ref parOther, const std::string* parSource) {
+		m_pool.insert(parOther, parSource);
+	}
+
+	PathName make_relative_path (const PathName& parBasePath, const PathName& parOtherPath) {
+		if (not parBasePath.is_absolute() and parOtherPath.is_absolute()) {
+			return parOtherPath;
+		}
+
+		std::size_t common_atoms = 0;
+		{
+			const std::size_t shortest = std::min(parOtherPath.atom_count(), parBasePath.atom_count());
+			for (std::size_t z = 0; z < shortest; ++z) {
+				if (parOtherPath[z] == parBasePath[z]) {
+					++common_atoms;
+				}
+				else {
+					break;
+				}
+			}
+		}
+
+		PathName retval("");
+		const auto ellipses_count = parBasePath.atom_count() - common_atoms;
+		for (std::size_t z = 0; z < ellipses_count; ++z) {
+			retval.join("..");
+		}
+
+		const auto remaining_atoms = parOtherPath.atom_count() - common_atoms;
+		for (std::size_t z = 0; z < remaining_atoms; ++z) {
+			retval.join(parOtherPath[z + common_atoms], parOtherPath.get_stringref_source(z + common_atoms));
+		}
+		return retval;
+	}
+
+	const std::string* PathName::get_stringref_source (std::size_t parIndex) const {
+		return m_pool.get_stringref_source(parIndex);
+	}
+
+	std::string PathName::dirname() const {
+		if (this->atom_count() == 0)
+			return std::string();
+
+		return get_joint_atoms(m_pool, m_absolute, 1);
+	}
+
+	std::ostream& operator<< (std::ostream& parStream, const PathName& parPath) {
+		parStream << parPath.path();
+		return parStream;
+	}
+
+	const boost::string_ref basename (const PathName& parPath) {
+		static const char* const empty = "";
+		const auto sz = parPath.atom_count();
+		if (not sz) {
+			return boost::string_ref(empty);
+		}
+
+		assert(sz > 0);
+		return parPath[sz - 1];
+	}
+
+	PathName& PathName::pop_right() {
+		m_pool.pop();
+		return *this;
+	}
+
+	bool PathName::operator!= (const PathName& parOther) const {
+		const auto count = atom_count();
+		if (count != parOther.atom_count()) {
+			return true;
+		}
+
+		for (std::size_t z = 0; z < count; ++z) {
+			if ((*this)[z] != parOther[z]) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	bool PathName::operator== (const PathName& parOther) const {
+		const auto count = atom_count();
+		if (count != parOther.atom_count()) {
+			return false;
+		}
+
+		for (std::size_t z = 0; z < count; ++z) {
+			if ((*this)[z] != parOther[z]) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	std::size_t PathName::str_path_size() const {
+		return calc_join_size(m_pool, is_absolute());
+	}
+} //namespace mchlib
diff --git a/src/pathname/pathname.hpp b/src/pathname/pathname.hpp
new file mode 100644
index 0000000..f9e0d5e
--- /dev/null
+++ b/src/pathname/pathname.hpp
@@ -0,0 +1,65 @@
+/* Copyright 2015, 2016, Michele Santullo
+ * This file is part of "dindexer".
+ *
+ * "dindexer" is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * "dindexer" is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with "dindexer".  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef id279E04E31E2C4D98B8C902781A3CE018
+#define id279E04E31E2C4D98B8C902781A3CE018
+
+#include "stringpool.hpp"
+#include "kakoune/safe_ptr.hh"
+#include <vector>
+#include <string>
+#include <boost/utility/string_ref.hpp>
+#include <map>
+#include <iostream>
+
+namespace mchlib {
+	class PathName : public Kakoune::SafeCountable {
+	public:
+		PathName ( PathName&& ) = default;
+		PathName ( const PathName& ) = default;
+		explicit PathName ( boost::string_ref parPath );
+		~PathName ( void ) noexcept = default;
+
+		bool is_absolute ( void ) const { return m_absolute; }
+		std::string path ( void ) const;
+		std::size_t str_path_size ( void ) const;
+		const std::string& original_path ( void ) const { return (m_original_path ? *m_original_path : m_empty_str); }
+		std::size_t atom_count ( void ) const;
+		const boost::string_ref operator[] ( std::size_t parIndex ) const;
+		void join ( const PathName& parOther );
+		void join ( const char* parOther );
+		void join ( boost::string_ref parOther, const std::string* parSource );
+		const std::string* get_stringref_source ( std::size_t parIndex ) const;
+		std::string dirname ( void ) const;
+		PathName& pop_right ( void );
+		bool operator!= ( const PathName& parOther ) const;
+		bool operator== ( const PathName& parOther ) const;
+
+	private:
+		static const std::string m_empty_str;
+
+		StringPool<char> m_pool;
+		const std::string* m_original_path;
+		bool m_absolute;
+	};
+
+	PathName make_relative_path ( const PathName& parBasePath, const PathName& parOtherPath );
+	std::ostream& operator<< ( std::ostream& parStream, const PathName& parPath );
+	const boost::string_ref basename ( const PathName& parPath );
+} //namespace mchlib
+
+#endif
diff --git a/src/pathname/stringpool.hpp b/src/pathname/stringpool.hpp
new file mode 100644
index 0000000..16c15dd
--- /dev/null
+++ b/src/pathname/stringpool.hpp
@@ -0,0 +1,70 @@
+/* Copyright 2015, 2016, Michele Santullo
+ * This file is part of "dindexer".
+ *
+ * "dindexer" is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * "dindexer" is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with "dindexer".  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef id9CF5E6FA7E334DF09559C2968C494CB9
+#define id9CF5E6FA7E334DF09559C2968C494CB9
+
+#include <string>
+#include <boost/utility/string_ref.hpp>
+#include <vector>
+#include <utility>
+#include <ciso646>
+#include <cstdint>
+#include <algorithm>
+#include <functional>
+#include <boost/iterator/transform_iterator.hpp>
+
+namespace mchlib {
+	template <typename C, typename Str=std::basic_string<C>, typename StrRef=boost::basic_string_ref<C>>
+	class StringPool {
+		typedef std::pair<StrRef, const Str*> StringListPair;
+		typedef std::vector<std::pair<Str, std::size_t>> PoolType;
+		typedef std::vector<StringListPair> StringListType;
+		typedef std::function<StrRef(const StringListPair&)> FuncGetFirst;
+
+	public:
+		typedef C char_type;
+		typedef Str string_type;
+		typedef StrRef stringref_type;
+		typedef boost::transform_iterator<FuncGetFirst, typename StringListType::const_iterator> const_iterator;
+
+		StringPool ( void ) = default;
+		~StringPool ( void ) noexcept = default;
+
+		template <typename ItR>
+		void update ( ItR parDataBeg, ItR parDataEnd );
+		void update ( const StringPool& parOther );
+		void insert ( const std::vector<stringref_type>& parStrings, const string_type* parBaseString );
+		void insert ( stringref_type parString, const string_type* parBaseString );
+		const string_type* ptr_to_literal ( const char* parLiteral );
+		std::size_t size ( void ) const { return m_strings.size(); }
+		bool empty ( void ) const { return m_strings.empty(); }
+		const_iterator begin ( void ) const;
+		const_iterator end ( void ) const;
+		const string_type* get_stringref_source ( std::size_t parIndex ) const;
+		const stringref_type& operator[] ( std::size_t parIndex ) const;
+		void pop ( void );
+
+	private:
+		PoolType m_pool;
+		StringListType m_strings;
+	};
+} //namespace mchlib
+
+#include "stringpool.inl"
+
+#endif
diff --git a/src/pathname/stringpool.inl b/src/pathname/stringpool.inl
new file mode 100644
index 0000000..5842ff2
--- /dev/null
+++ b/src/pathname/stringpool.inl
@@ -0,0 +1,140 @@
+/* Copyright 2015, 2016, Michele Santullo
+ * This file is part of "dindexer".
+ *
+ * "dindexer" is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * "dindexer" is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with "dindexer".  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace mchlib {
+	namespace implem {
+		template <typename StrRef>
+		std::pair<StrRef, bool> clone_ifp (const StrRef& parClone, StrRef parSource) {
+			const auto offset = parSource.find(parClone);
+			if (parSource.npos != offset) {
+				return std::make_pair(parSource.substr(offset, parClone.size()), true);
+			}
+			else {
+				return std::make_pair(parClone, false);
+			}
+		}
+	} //namespace implem
+
+	template <typename C, typename Str, typename StrRef>
+	auto StringPool<C, Str, StrRef>::ptr_to_literal (const char* parLiteral) -> const string_type* {
+		if (not parLiteral)
+			return nullptr;
+
+		for (const auto& p : m_pool) {
+			if (m_pool.first == parLiteral) {
+				return &m_pool.first;
+			}
+		}
+		return nullptr;
+	}
+
+	template <typename C, typename Str, typename StrRef>
+	template <typename ItR>
+	void StringPool<C, Str, StrRef>::update (ItR parDataBeg, ItR parDataEnd) {
+		typedef std::pair<string_type, std::size_t> PoolPair;
+
+		while (parDataBeg != parDataEnd) {
+			const auto& remote_str = parDataBeg->first;
+			const auto* remote_source_str = parDataBeg->second;
+			bool cloned = false;
+
+			for (auto& local_src : m_pool) {
+				const string_type& local_str = local_src.first;
+				auto& local_ref_count = local_src.second;
+
+				auto cloned_result = implem::clone_ifp<StrRef>(remote_str, local_str);
+				cloned = cloned_result.second;
+				const auto& cloned_str = cloned_result.first;
+				if (cloned) {
+					++local_ref_count;
+					m_strings.push_back(StringListPair(cloned_str, &local_str));
+					break;
+				}
+			}
+
+			if (not cloned) {
+				m_pool.push_back(PoolPair(*remote_source_str, static_cast<std::size_t>(1)));
+				const auto offset = remote_str.data() - remote_source_str->data();
+				m_strings.push_back(StringListPair(stringref_type(m_pool.back().first).substr(offset, remote_str.size()), &m_pool.back().first));
+			}
+			++parDataBeg;
+		}
+	}
+
+	template <typename C, typename Str, typename StrRef>
+	void StringPool<C, Str, StrRef>::update (const StringPool& parOther) {
+		this->update(parOther.m_strings.begin(), parOther.m_strings.end());
+	}
+
+	template <typename C, typename Str, typename StrRef>
+	auto StringPool<C, Str, StrRef>::begin() const -> const_iterator {
+		return const_iterator(m_strings.cbegin(), [](const StringListPair& parItm) { return parItm.first; });
+	}
+
+	template <typename C, typename Str, typename StrRef>
+	auto StringPool<C, Str, StrRef>::end() const -> const_iterator {
+		return const_iterator(m_strings.cend(), [](const StringListPair& parItm) { return parItm.first; });
+	}
+
+	template <typename C, typename Str, typename StrRef>
+	void StringPool<C, Str, StrRef>::insert (const std::vector<stringref_type>& parStrings, const string_type* parBaseString) {
+		StringListType dummy;
+		dummy.reserve(parStrings.size());
+		for (const auto& itm : parStrings) {
+			dummy.push_back(StringListPair(itm, parBaseString));
+		}
+		this->update(dummy.begin(), dummy.end());
+	}
+
+	template <typename C, typename Str, typename StrRef>
+	void StringPool<C, Str, StrRef>::insert (stringref_type parString, const string_type* parBaseString) {
+		StringListType dummy;
+		dummy.reserve(1);
+		dummy.push_back(StringListPair(parString, parBaseString));
+		this->update(dummy.begin(), dummy.end());
+	}
+
+	template <typename C, typename Str, typename StrRef>
+	auto StringPool<C, Str, StrRef>::get_stringref_source (std::size_t parIndex) const -> const string_type* {
+		return m_strings[parIndex].second;
+	}
+
+	template <typename C, typename Str, typename StrRef>
+	auto StringPool<C, Str, StrRef>::operator[] (std::size_t parIndex) const -> const stringref_type& {
+		return m_strings[parIndex].first;
+	}
+
+	template <typename C, typename Str, typename StrRef>
+	void StringPool<C, Str, StrRef>::pop() {
+		if (m_strings.empty()) {
+			return;
+		}
+
+		for (auto z = m_pool.size(); z > 0; --z) {
+			auto& pool_itm = m_pool[z - 1];
+			if (&pool_itm.first == m_strings.back().second) {
+				m_strings.resize(m_strings.size() - 1);
+				--pool_itm.second;
+				if (0 == pool_itm.second) {
+					m_pool.erase(m_pool.begin() + (z - 1));
+				}
+				break;
+			}
+		}
+		return;
+	}
+} //namespace mchlib