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/*
SPDX-FileCopyrightText: 2023 Gabriel Barrantes <gabriel.barrantes.dev@outlook.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#pragma once
#include "kcalc_token.h"
#include "knumber/knumber.h"
#include <QChar>
#include <QDebug>
#include <QDomDocument>
#include <QHash>
#include <QLocale>
#include <QQueue>
#include <QString>
class KCalcParser
{
public:
KCalcParser();
~KCalcParser();
enum ParsingResult {
SUCCESS,
SUCCESS_SINGLE_KNUMBER,
EMPTY,
INVALID_TOKEN,
};
enum TrigonometricMode {
DEGREES,
RADIANS,
GRADIANS
};
int loadConstants(const QDomDocument &doc);
void setTrigonometricMode(int mode);
int getTrigonometricMode();
void setNumeralMode(bool numeralMode);
bool getNumeralMode() const;
ParsingResult getParsingResult();
ParsingResult stringToTokenQueue(const QString &buffer, int base, QQueue<KCalcToken> &tokenQueue, int &errorIndex);
/*TODO: int stringToHTMLString(const QString& buffer, QString& htmlText);*/
const QString TokenToString(KCalcToken::TokenCode tokenCode);
private:
KCalcToken::TokenCode stringToToken(const QString &string, int &index, int base = 10);
static const inline QString SPACE_STR = QStringLiteral(" ");
static const inline QString THIN_SPACE_STR = QStringLiteral(" ");
static const inline QString ZERO_STR = QStringLiteral("0");
static const inline QString NINE_STR = QStringLiteral("9");
static const inline QString DECIMAL_POINT_STR = QLocale().decimalPoint();
static const inline QString COMMA_STR = QLatin1String(",");
static const inline QString POINT_STR = QLatin1String(".");
static const inline QString A_STR = QStringLiteral("A");
static const inline QString F_STR = QStringLiteral("F");
static const inline QString A_LOWER_CASE_STR = QStringLiteral("a");
static const inline QString F_LOWER_CASE_STR = QStringLiteral("f");
static const inline QString B_STR = QStringLiteral("b");
static const inline QString X_STR = QStringLiteral("x");
static const inline QString ANGLE_STR = QStringLiteral("∠");
static const inline QString BINARY_NUMBER_PREFIX_STR = QStringLiteral("0b");
static const inline QString OCTAL_NUMBER_PREFIX_STR = QStringLiteral("0o");
static const inline QString OCTAL_NUMBER_PREFIX_STR_C_STYLE = QStringLiteral("0");
static const inline QString HEX_NUMBER_PREFIX_STR = QStringLiteral("0x");
static const QString BINARY_DIGITS_PATTERN;
static const QString OCTAL_DIGITS_PATTERN;
static const QString HEX_DIGITS_PATTERN;
static const QRegularExpression BINARY_NUMBER_DIGITS_REGEX;
static const QRegularExpression OCTAL_NUMBER_DIGITS_REGEX;
static const QRegularExpression HEX_NUMBER_DIGITS_REGEX;
static const QString DECIMAL_NUMBER_PATTERN;
static const QRegularExpression DECIMAL_NUMBER_REGEX;
static const inline QString E_STR = QStringLiteral("e");
static const inline QString PI_STR = QStringLiteral("π");
static const inline QString PHI_STR = QStringLiteral("ϕ");
static const inline QString I_STR = QStringLiteral("i");
static const inline QString POS_INFINITY_STR = QStringLiteral("∞");
static const inline QString NEG_INFINITY_STR = QStringLiteral("-∞");
static const inline QString VACUUM_PERMITIVITY_STR = QStringLiteral("ε₀");
static const inline QString VACUUM_PERMEABILITY_STR = QStringLiteral("μ₀");
static const inline QString VACUUM_IMPEDANCE_STR = QStringLiteral("Z₀");
static const inline QString PLANCK_S_CONSTANT_STR = QStringLiteral("ℎ");
static const inline QString PLANCK_S_OVER_2PI_STR = QStringLiteral("ℏ");
static const inline QString PLUS_STR = QStringLiteral("+");
static const inline QString HYPHEN_MINUS_STR = QStringLiteral("-");
static const inline QString MINUS_SIGN_STR = QStringLiteral("−");
static const inline QString MULTIPLICATION_STR = QStringLiteral("×");
static const inline QString DIVISION_STR = QStringLiteral("÷");
static const inline QString DIVISION_SLASH_STR = QStringLiteral("∕");
static const inline QString SLASH_STR = QStringLiteral("/");
static const inline QString DOT_STR = QStringLiteral("⋅");
static const inline QString ASTERISK_STR = QStringLiteral("*");
static const inline QString PERCENTAGE_STR = QStringLiteral("%");
static const inline QString PERMILLE_STR = QStringLiteral("‰");
static const inline QString BINOMIAL_STR = QStringLiteral("nCm");
static const inline QString MODULO_STR = QStringLiteral("mod");
static const inline QString INTEGER_DIVISION_STR = QStringLiteral("div");
static const inline QString OPENING_PARENTHESIS_STR = QStringLiteral("(");
static const inline QString CLOSING_PARENTHESIS_STR = QStringLiteral(")");
static const inline QString SQUARE_STR = QStringLiteral("²");
static const inline QString CUBE_STR = QStringLiteral("³");
static const inline QString RECIPROCAL_STR = QStringLiteral("⁻¹");
static const inline QString LOG_10_STR = QStringLiteral("log");
static const inline QString LN_STR = QStringLiteral("ln");
static const inline QString EXP_STR = QStringLiteral("exp");
static const inline QString EXP_10_STR = QStringLiteral("⏨");
static const inline QString POWER_STR = QStringLiteral("^");
static const inline QString POWER_ROOT_STR = QStringLiteral("⌄");
static const inline QString SQUARE_ROOT_STR = QStringLiteral("√");
static const inline QString CUBIC_ROOT_STR = QStringLiteral("∛");
static const inline QString FACTORIAL_STR = QStringLiteral("!");
static const inline QString DOUBLE_FACTORIAL_STR = QStringLiteral("‼");
static const inline QString GAMMA_STR = QStringLiteral("Γ");
static const inline QString INVERT_SIGN_STR = QStringLiteral("–");
static const inline QString DEGREE_STR = QStringLiteral("°");
static const inline QString GRADIAN_STR = QStringLiteral("gon");
static const inline QString RADIAN_STR = QStringLiteral("rad");
static const inline QString SIN_STR = QStringLiteral("sin");
static const inline QString COS_STR = QStringLiteral("cos");
static const inline QString TAN_STR = QStringLiteral("tan");
static const inline QString ASIN_STR = QStringLiteral("asin");
static const inline QString ACOS_STR = QStringLiteral("acos");
static const inline QString ATAN_STR = QStringLiteral("atan");
static const inline QString SINH_STR = QStringLiteral("sinh");
static const inline QString COSH_STR = QStringLiteral("cosh");
static const inline QString TANH_STR = QStringLiteral("tanh");
static const inline QString ASINH_STR = QStringLiteral("asinh");
static const inline QString ACOSH_STR = QStringLiteral("acosh");
static const inline QString ATANH_STR = QStringLiteral("atanh");
static const inline QString CONJ_STR = QStringLiteral("conj");
static const inline QString ARG_STR = QStringLiteral("arg");
static const inline QString RE_STR = QStringLiteral("re");
static const inline QString IM_STR = QStringLiteral("im");
static const inline QString AND_STR = QStringLiteral("&");
static const inline QString OR_STR = QStringLiteral("|");
static const inline QString XOR_STR = QStringLiteral("⊕");
static const inline QString XOR_LETTER_STR = QStringLiteral("XOR");
static const inline QString RSH_STR = QStringLiteral(">>");
static const inline QString LSH_STR = QStringLiteral("<<");
static const inline QString ONE_S_COMP_STR = QStringLiteral("~");
static const inline QString TWO_S_COMP_STR = QStringLiteral("~₂");
static const inline QString EQUAL_STR = QStringLiteral("=");
static const inline QString ANS_STR = QStringLiteral("ans");
static const inline QString ERROR_STR = QStringLiteral("error");
private:
QHash<QString, QString> constants_;
bool constantSymbolToValue_(const QString &constantSymbol);
QString token_KNumber_;
bool m_inputHasConstants = false;
int trigonometric_Mode_ = DEGREES;
bool m_numeralMode = false;
ParsingResult parsing_Result_ = EMPTY;
};
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