toolgood.algorithm.internals.CharUtil Maven / Gradle / Ivy

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package toolgood.algorithm.internals;

import java.util.ArrayList;
import java.util.List;

public class CharUtil {
    public static char StandardChar(char c) {
        if (c <= 0)
            return c;
        char o = (char) c;
        if (o == '‘')
            return '\'';
        if (o == '’')
            return '\'';
        if (o == '“')
            return '"';
        if (o == '”')
            return '"';
        if (o == '〔')
            return '(';
        if (o == '〕')
            return ')';
        if (o == '＝')
            return '=';
        if (o == '＋')
            return '+';
        if (o == '－')
            return '-';
        if (o == '×')
            return '*';
        if (o == '÷')
            return '/';
        if (o == '／')
            return '/';

        if (c == 12288) {
            o = (char) 32;
        } else if (c > 65280 && c < 65375) {
            o = (char) (c - 65248);
        }
        return Character.toUpperCase(o);
    }

    public static String StandardString(String s) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < s.length(); i++) {
            char c = s.charAt(i);
            sb.append(StandardChar(c));
        }
        return sb.toString();
    }

    private static boolean EqualsOnce(String left, String right) {
        if (left.length() != right.length())
            return false;
        for (int i = 0; i < left.length(); i++) {
            if (left.charAt(i) != right.charAt(i)) {
                char a = StandardChar(left.charAt(i));
                char b = StandardChar(right.charAt(i));
                if (a != b)
                    return false;
            }
        }
        return true;
    }

    public static boolean Equals(String left, String right) {
        if (left == null)
            return false;
        if (right == null)
            return false;
        return EqualsOnce(left, right);
    }

    public static boolean Equals(String left, String arg1, String arg2) {
        if (left == null)
            return false;
        if (arg1 != null && EqualsOnce(left, arg1))
            return true;
        if (arg2 != null && EqualsOnce(left, arg2))
            return true;
        return false;
    }

    public static boolean Equals(String left, String arg1, String arg2, String arg3) {
        if (left == null)
            return false;
        if (arg1 != null && EqualsOnce(left, arg1))
            return true;
        if (arg2 != null && EqualsOnce(left, arg2))
            return true;
        if (arg3 != null && EqualsOnce(left, arg3))
            return true;
        return false;
    }

    public static List SplitFormula(String formula, List splitChars) {
        List result = new ArrayList<>();
        boolean inSquareBrackets = false;
        boolean inBraceBrackets = false;
        int inBracketsCount = 0;
        boolean inText = false;
        char textChar = (char) 0;

        StringBuilder str = new StringBuilder();
        Integer i = 0;
        while (i < formula.length()) {
            char c = formula.charAt(i);
            if (inSquareBrackets) {
                str.append(c);
                if (c == ']')
                    inSquareBrackets = false;
            } else if (inBraceBrackets) {
                str.append(c);
                if (c == '}')
                    inBraceBrackets = false;
            } else if (inText) {
                str.append(c);
                if (c == '\\') {
                    i++;
                    if (i < formula.length()) {
                        str.append(formula.charAt(i));
                    }
                } else if (c == textChar) {
                    inText = false;
                }
            } else if (splitChars.contains(c) && inBracketsCount == 0) {
                result.add(str.toString());
                result.add(((Character) c).toString());
                str = new StringBuilder();
            } else {
                str.append(c);
                if (c == '\'' || c == '"' || c == '`') {
                    textChar = c;
                    inText = true;
                } else if (c == '[') {
                    inSquareBrackets = true;
                } else if (c == '{') {
                    inBraceBrackets = true;
                } else if (c == '(') {
                    inBracketsCount++;
                } else if (c == ')') {
                    inBracketsCount--;
                }
            }
            i++;
        }
        if (str.length() > 0)
            result.add(str.toString());
        return result;
    }

    public static List SplitFormulaForAnd(String formula) {
        List result = new ArrayList<>();
        boolean inSquareBrackets = false;
        boolean inBraceBrackets = false;
        int inBracketsCount = 0;
        boolean inText = false;
        char textChar = (char) 0;

        StringBuilder str = new StringBuilder();
        Integer i = 0;
        while (i < formula.length()) {
            char c = formula.charAt(i);
            if (inSquareBrackets) {
                str.append(c);
                if (c == ']')
                    inSquareBrackets = false;
            } else if (inBraceBrackets) {
                str.append(c);
                if (c == '}')
                    inBraceBrackets = false;
            } else if (inText) {
                str.append(c);
                if (c == '\\') {
                    i++;
                    if (i < formula.length()) {
                        str.append(formula.charAt(i));
                    }
                } else if (c == textChar) {
                    inText = false;
                }
            } else if (c == '&' && inBracketsCount == 0) {
                if (i + 1 < formula.length() && formula.charAt(i + 1) == '&') {
                    i++;
                    result.add(str.toString());
                    str = new StringBuilder();
                } else {
                    result.add(str.toString());
                }
            } else if (c == '|' && inBracketsCount == 0) {
                if (i + 1 < formula.length() && formula.charAt(i + 1) == '|') {
                    i++;
                    result.add(str.toString());
                    str = new StringBuilder();
                    str.append(String.join("&&", result));
                    str.append("||");
                    result.clear();
                } else {
                    result.add(str.toString());
                }
            } else {
                str.append(c);
                if (c == '\'' || c == '"' || c == '`') {
                    textChar = c;
                    inText = true;
                } else if (c == '[') {
                    inSquareBrackets = true;
                } else if (c == '{') {
                    inBraceBrackets = true;
                } else if (c == '(') {
                    inBracketsCount++;
                } else if (c == ')') {
                    inBracketsCount--;
                }
            }
            i++;
        }
        if (str.length() > 0)
            result.add(str.toString());
        return result;
    }

}