54 lines
2 KiB
TypeScript
54 lines
2 KiB
TypeScript
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import type Scanner from './scanner.js';
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interface QuotedOptions {
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/** A character code of quote-escape symbol */
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escape?: number;
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/** Throw error if quotes string can’t be properly consumed */
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throws?: boolean;
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}
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/**
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* Check if given code is a number
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*/
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export declare function isNumber(code: number): boolean;
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/**
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* Check if given character code is alpha code (letter through A to Z)
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*/
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export declare function isAlpha(code: number, from?: number, to?: number): boolean;
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/**
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* Check if given character code is alpha-numeric (letter through A to Z or number)
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*/
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export declare function isAlphaNumeric(code: number): boolean;
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export declare function isAlphaNumericWord(code: number): boolean;
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export declare function isAlphaWord(code: number): boolean;
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/**
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* Check for Umlauts i.e. ä, Ä, ö, Ö, ü and Ü
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*/
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export declare function isUmlaut(code: number): boolean;
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/**
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* Check if given character code is a white-space character: a space character
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* or line breaks
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*/
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export declare function isWhiteSpace(code: number): boolean;
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/**
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* Check if given character code is a space character
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*/
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export declare function isSpace(code: number): boolean;
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/**
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* Consumes 'single' or "double"-quoted string from given string, if possible
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* @return `true` if quoted string was consumed. The contents of quoted string
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* will be available as `stream.current()`
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*/
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export declare function eatQuoted(stream: Scanner, options?: QuotedOptions): boolean;
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/**
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* Check if given character code is a quote character
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*/
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export declare function isQuote(code: number): boolean;
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/**
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* Eats paired characters substring, for example `(foo)` or `[bar]`
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* @param open Character code of pair opening
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* @param close Character code of pair closing
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* @return Returns `true` if character pair was successfully consumed, it’s
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* content will be available as `stream.current()`
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*/
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export declare function eatPair(stream: Scanner, open: number, close: number, options?: QuotedOptions): boolean;
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export {};
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