string_type.h

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/*
 * This file is part of OpenTTD.
 * OpenTTD 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, version 2.
 * OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef STRING_TYPE_H
#define STRING_TYPE_H
 
#include "core/enum_type.hpp"
 
#define NBSP "\u00a0"
 
#define LRM "\u200e"
 
enum CharSetFilter : uint8_t {
  CS_ALPHANUMERAL,      
  CS_NUMERAL,           
  CS_NUMERAL_SPACE,     
  CS_NUMERAL_SIGNED,    
  CS_ALPHA,             
  CS_HEXADECIMAL,       
};
enum CharSetFilter : uint8_t {…};
 
/* The following are directional formatting codes used to get the LTR and RTL strings right:
 * http://www.unicode.org/unicode/reports/tr9/#Directional_Formatting_Codes */
static const char32_t CHAR_TD_LRM = 0x200E; 
static const char32_t CHAR_TD_RLM = 0x200F; 
static const char32_t CHAR_TD_LRE = 0x202A; 
static const char32_t CHAR_TD_RLE = 0x202B; 
static const char32_t CHAR_TD_LRO = 0x202D; 
static const char32_t CHAR_TD_RLO = 0x202E; 
static const char32_t CHAR_TD_PDF = 0x202C; 
 
enum class StringValidationSetting : uint8_t {
  ReplaceWithQuestionMark, 
  AllowNewline, 
  AllowControlCode, 
  ReplaceTabCrNlWithSpace,
};
enum class StringValidationSetting : uint8_t {…};
 
using StringValidationSettings = EnumBitSet<StringValidationSetting, uint8_t>;
 
 
typedef std::vector<std::string> StringList;
 
struct StringHash {
  using hash_type = std::hash<std::string_view>;
  using is_transparent = void;
 
  std::size_t operator()(std::string_view str) const { return hash_type{}(str); }
  std::size_t operator()(const std::string &str) const { return hash_type{}(str); }
};
struct StringHash {…};
 
#endif /* STRING_TYPE_H */