diff options
author | Karen Arutyunov <karen@codesynthesis.com> | 2021-09-28 19:24:31 +0300 |
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committer | Karen Arutyunov <karen@codesynthesis.com> | 2021-09-28 20:29:59 +0300 |
commit | df1ef68cd8e8582724ce1192bfc202e0b9aeaf0c (patch) | |
tree | b731ca4c68e60c00c7e7d499dbf4868ee7b71f44 /libbutl/string-table.mxx | |
parent | 7a4fc37f264cdb67f2f83fa92703c869215bbc86 (diff) |
Get rid of C++ modules related code and rename *.mxx files to *.hxx
Diffstat (limited to 'libbutl/string-table.mxx')
-rw-r--r-- | libbutl/string-table.mxx | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/libbutl/string-table.mxx b/libbutl/string-table.mxx deleted file mode 100644 index 78c6cd6..0000000 --- a/libbutl/string-table.mxx +++ /dev/null @@ -1,113 +0,0 @@ -// file : libbutl/string-table.mxx -*- C++ -*- -// license : MIT; see accompanying LICENSE file - -#ifndef __cpp_modules_ts -#pragma once -#endif - -#include <cassert> - -#ifndef __cpp_lib_modules_ts -#include <string> -#include <vector> -#include <unordered_map> - -#include <limits> // numeric_limits -#include <cstddef> // size_t -#endif - -// Other includes. - -#ifdef __cpp_modules_ts -export module butl.string_table; -#ifdef __cpp_lib_modules_ts -import std.core; -#endif -import butl.multi_index; -#else -#include <libbutl/multi-index.mxx> -#endif - -#include <libbutl/export.hxx> - -LIBBUTL_MODEXPORT namespace butl -{ - // A pool of strings and, optionally, other accompanying data in which each - // entry is assigned an individual index (or id) of type I (e.g., uint8_t, - // uint16_t, etc., depending on how many entries are expected). Index value - // 0 is reserved to indicate the "no entry" condition. - // - template <typename I, typename D> - struct string_table_element - { - const I i; - const D d; - }; - - template <typename I> - struct string_table_element<I, std::string> - { - const I i; - const std::string d; - }; - - // For custom data the options are to call the data member 'key' or to - // specialize this traits. - // - template <typename D> - struct string_table_traits - { - static const std::string& - key (const D& d) {return d.key;} - }; - - template <> - struct string_table_traits<std::string> - { - static const std::string& - key (const std::string& d) {return d;} - }; - - template <typename I, typename D = std::string> - struct string_table - { - // Insert new entry unless one already exists. - // - I - insert (const D&); - - // Find existing. - // - I - find (const std::string& k) const - { - auto i (map_.find (key_type (&k))); - return i != map_.end () ? i->second.i : 0; - } - - // Reverse lookup. - // - const D& - operator[] (I i) const {assert (i > 0); return vec_[i - 1]->second.d;} - - I - size () const {return static_cast<I> (vec_.size ());} - - bool - empty () const {return vec_.empty ();} - - void - clear () {vec_.clear (); map_.clear ();} - - private: - using key_type = butl::map_key<std::string>; - using value_type = string_table_element<I, D>; - using map_type = std::unordered_map<key_type, value_type>; - using traits_type = string_table_traits<D>; - - map_type map_; - std::vector<typename map_type::const_iterator> vec_; - }; -} - -#include <libbutl/string-table.txx> |