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/**
 * MVEL 2.0
 * Copyright (C) 2007  MVFLEX/Valhalla Project and the Codehaus
 * Mike Brock, Dhanji Prasanna, John Graham, Mark Proctor
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.mvel2;

public class ErrorDetail {

    private char[] expr;
    private int cursor;
    private boolean critical;
    private String message;

    private int lineNumber;
    private int column;

    public ErrorDetail(char[] expr, int cursor, boolean critical, String message) {
        this.expr = expr;
        this.cursor = cursor;
        this.critical = critical;
        this.message = message;

        calcRowAndColumn();
    }

    public boolean isCritical() {
        return critical;
    }

    public void setCritical(boolean critical) {
        this.critical = critical;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public int getCursor() {
        return cursor;
    }

    public void setCursor(int cursor) {
        this.cursor = cursor;
    }

    public void calcRowAndColumn() {
        int row = 1;
        int col = 1;

        if ((lineNumber != 0 && column != 0) || expr == null || expr.length == 0) return;

        for (int i = 0; i < cursor; i++) {
            switch (expr[i]) {
                case '\r':
                    continue;
                case '\n':
                    row++;
                    col = 0;
                    break;

                default:
                    col++;
            }
        }

        this.lineNumber = row;
        this.column = col;
    }

    public int getLineNumber() {
        return lineNumber;
    }

    public void setLineNumber(int lineNumber) {
        this.lineNumber = lineNumber;
    }

    public int getColumn() {
        return column;
    }

    public void setColumn(int column) {
        this.column = column;
    }

    public char[] getExpr() {
        return expr;
    }

    public void setExpr(char[] expr) {
        this.expr = expr;
    }

    public String toString() {
        if (critical) {
            return "(" + lineNumber + "," + column + ") " + message;
        } else {
            return "(" + lineNumber + "," + column + ") WARNING: " + message;
        }
    }
}