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/*
* Copyright (c) 2020, Emanuel Sprung <emanuel.sprung@gmail.com>
* Copyright (c) 2020-2022, Ali Mohammad Pur <mpfard@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
enum __Regex_Error {
__Regex_NoError,
__Regex_InvalidPattern, // Invalid regular expression.
__Regex_InvalidCollationElement, // Invalid collating element referenced.
__Regex_InvalidCharacterClass, // Invalid character class type referenced.
__Regex_InvalidTrailingEscape, // Trailing \ in pattern.
__Regex_InvalidNumber, // Number in \digit invalid or in error.
__Regex_MismatchingBracket, // [ ] imbalance.
__Regex_MismatchingParen, // ( ) imbalance.
__Regex_MismatchingBrace, // { } imbalance.
__Regex_InvalidBraceContent, // Content of {} invalid: not a number, number too large, more than two numbers, first larger than second.
__Regex_InvalidBracketContent, // Content of [] invalid.
__Regex_InvalidRange, // Invalid endpoint in range expression.
__Regex_InvalidRepetitionMarker, // ?, * or + not preceded by valid regular expression.
__Regex_ReachedMaxRecursion, // MaximumRecursion has been reached.
__Regex_EmptySubExpression, // Sub expression has empty content.
__Regex_InvalidCaptureGroup, // Content of capture group is invalid.
__Regex_InvalidNameForCaptureGroup, // Name of capture group is invalid.
__Regex_InvalidNameForProperty, // Name of property is invalid.
__Regex_DuplicateNamedCapture, // Duplicate named capture group
__Regex_InvalidCharacterClassEscape, // Invalid escaped entity in character class.
};
enum __RegexAllFlags {
__Regex_Global = 1, // All matches (don't return after first match)
__Regex_Insensitive = __Regex_Global << 1, // Case insensitive match (ignores case of [a-zA-Z])
__Regex_Ungreedy = __Regex_Global << 2, // The match becomes lazy by default. Now a ? following a quantifier makes it greedy
__Regex_Unicode = __Regex_Global << 3, // Enable all unicode features and interpret all unicode escape sequences as such
__Regex_Extended = __Regex_Global << 4, // Ignore whitespaces. Spaces and text after a # in the pattern are ignored
__Regex_Extra = __Regex_Global << 5, // Disallow meaningless escapes. A \ followed by a letter with no special meaning is faulted
__Regex_MatchNotBeginOfLine = __Regex_Global << 6, // Pattern is not forced to ^ -> search in whole string!
__Regex_MatchNotEndOfLine = __Regex_Global << 7, // Don't Force the dollar sign, $, to always match end of the string, instead of end of the line. This option is ignored if the Multiline-flag is set
__Regex_SkipSubExprResults = __Regex_Global << 8, // Do not return sub expressions in the result
__Regex_StringCopyMatches = __Regex_Global << 9, // Do explicitly copy results into new allocated string instead of StringView to original string.
__Regex_SingleLine = __Regex_Global << 10, // Dot matches newline characters
__Regex_Sticky = __Regex_Global << 11, // Force the pattern to only match consecutive matches from where the previous match ended.
__Regex_Multiline = __Regex_Global << 12, // Handle newline characters. Match each line, one by one.
__Regex_SkipTrimEmptyMatches = __Regex_Global << 13, // Do not remove empty capture group results.
__Regex_SingleMatch = __Regex_Global << 14, // Stop after acquiring a single match.
__Regex_UnicodeSets = __Regex_Global << 15, // ECMA262 Parser specific: Allow set operations in char classes.
__Regex_Internal_Stateful = __Regex_Global << 16, // Internal flag; enables stateful matches.
__Regex_Internal_BrowserExtended = __Regex_Global << 17, // Internal flag; enable browser-specific ECMA262 extensions.
__Regex_Internal_ConsiderNewline = __Regex_Global << 18, // Internal flag; allow matchers to consider newlines as line separators.
__Regex_Last = __Regex_UnicodeSets,
};
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