89 lines
3.1 KiB
Java
89 lines
3.1 KiB
Java
/*
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* This file is part of adventure, licensed under the MIT License.
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*
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* Copyright (c) 2017-2020 KyoriPowered
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package us.myles.ViaVersion.api.minecraft.nbt;
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/**
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* See https://github.com/KyoriPowered/adventure.
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*/
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/* package */ final class Tokens {
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// Compounds
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static final char COMPOUND_BEGIN = '{';
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static final char COMPOUND_END = '}';
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static final char COMPOUND_KEY_TERMINATOR = ':';
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// Arrays
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static final char ARRAY_BEGIN = '[';
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static final char ARRAY_END = ']';
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static final char ARRAY_SIGNATURE_SEPARATOR = ';';
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static final char VALUE_SEPARATOR = ',';
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static final char SINGLE_QUOTE = '\'';
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static final char DOUBLE_QUOTE = '"';
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static final char ESCAPE_MARKER = '\\';
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static final char TYPE_BYTE = 'B';
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static final char TYPE_SHORT = 'S';
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static final char TYPE_INT = 'I'; // array only
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static final char TYPE_LONG = 'L';
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static final char TYPE_FLOAT = 'F';
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static final char TYPE_DOUBLE = 'D';
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static final char EOF = '\0';
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private Tokens() {
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}
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/**
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* Return if a character is a valid component in an identifier
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*
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* <p>An identifier character must match the expression {@code [a-zA-Z0-9_+.-]}</p>
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*
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* @param c the character
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* @return identifier
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*/
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static boolean id(final char c) {
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return (c >= 'a' && c <= 'z')
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|| (c >= 'A' && c <= 'Z')
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|| (c >= '0' && c <= '9')
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|| c == '-' || c == '_'
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|| c == '.' || c == '+';
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}
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/**
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* Return whether a character could be at some position in a number.
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* <p>
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* A string passing this check does not necessarily mean it is syntactically valid
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*
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* @param c character to check
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* @return if possibly part of a number
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*/
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static boolean numeric(final char c) {
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return (c >= '0' && c <= '9') // digit
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|| c == '+' || c == '-' // positive or negative
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|| c == 'e' || c == 'E' // exponent
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|| c == '.'; // decimal
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}
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}
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