63 lines
2.9 KiB
C++
63 lines
2.9 KiB
C++
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file string_type.h Types for strings. */
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#ifndef STRING_TYPE_H
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#define STRING_TYPE_H
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#include "core/enum_type.hpp"
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#include <vector>
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#include <string>
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/** A non-breaking space. */
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#define NBSP u8"\u00a0"
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/** A left-to-right marker, marks the next character as left-to-right. */
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#define LRM u8"\u200e"
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/**
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* Valid filter types for IsValidChar.
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*/
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enum CharSetFilter {
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CS_ALPHANUMERAL, ///< Both numeric and alphabetic and spaces and stuff
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CS_NUMERAL, ///< Only numeric ones
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CS_NUMERAL_SIGNED, ///< Only numeric ones, and minus/negative
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CS_NUMERAL_DECIMAL, ///< Only numeric, decimal separaters, and minus/negative
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CS_NUMERAL_SPACE, ///< Only numbers and spaces
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CS_ALPHA, ///< Only alphabetic values
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CS_HEXADECIMAL, ///< Only hexadecimal characters
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};
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/** Type for wide characters, i.e. non-UTF8 encoded unicode characters. */
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typedef char32_t WChar;
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/* The following are directional formatting codes used to get the LTR and RTL strings right:
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* http://www.unicode.org/unicode/reports/tr9/#Directional_Formatting_Codes */
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static const WChar CHAR_TD_LRM = 0x200E; ///< The next character acts like a left-to-right character.
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static const WChar CHAR_TD_RLM = 0x200F; ///< The next character acts like a right-to-left character.
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static const WChar CHAR_TD_LRE = 0x202A; ///< The following text is embedded left-to-right.
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static const WChar CHAR_TD_RLE = 0x202B; ///< The following text is embedded right-to-left.
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static const WChar CHAR_TD_LRO = 0x202D; ///< Force the following characters to be treated as left-to-right characters.
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static const WChar CHAR_TD_RLO = 0x202E; ///< Force the following characters to be treated as right-to-left characters.
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static const WChar CHAR_TD_PDF = 0x202C; ///< Restore the text-direction state to before the last LRE, RLE, LRO or RLO.
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/** Settings for the string validation. */
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enum StringValidationSettings {
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SVS_NONE = 0, ///< Allow nothing and replace nothing.
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SVS_REPLACE_WITH_QUESTION_MARK = 1 << 0, ///< Replace the unknown/bad bits with question marks.
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SVS_ALLOW_NEWLINE = 1 << 1, ///< Allow newlines.
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SVS_ALLOW_CONTROL_CODE = 1 << 2, ///< Allow the special control codes.
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};
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DECLARE_ENUM_AS_BIT_SET(StringValidationSettings)
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/** Type for a list of strings. */
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typedef std::vector<std::string> StringList;
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#endif /* STRING_TYPE_H */
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