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/*******************************************************************************
 * (c) Copyright 2016 Hewlett-Packard Development Company, L.P.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Apache License v2.0 which accompany this distribution.
 *
 * The Apache License is available at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 *******************************************************************************/
package io.cloudslang.lang.entities.constants;

import io.cloudslang.lang.entities.ScoreLangConstants;

/**
 * @author Bonczidai Levente
 * @since 8/10/2016
 */
public class Regex {
    // match ${ expression } pattern
    public static final String EXPRESSION_REGEX =
            "^\\s*" +
                    ScoreLangConstants.EXPRESSION_START_DELIMITER_ESCAPED +
                    "\\s*" +
                    "(.+?)" +
                    "\\s*" +
                    ScoreLangConstants.EXPRESSION_END_DELIMITER_ESCAPED +
                    "\\s*$";
    public static final String NAMESPACE_PROPERTY_DELIMITER = ".";
    public static final String NAMESPACE_DELIMITER_ESCAPED = "\\" + NAMESPACE_PROPERTY_DELIMITER;
    public static final String NAMESPACE_CHARS = "([\\w\\-" + NAMESPACE_PROPERTY_DELIMITER + "]+)";
    public static final String SIMPLE_NAME_CHARS = "([\\w]+)";
    public static final String RESULT_NAME_CHARS = "([\\w]+)";
    public static final String VARIABLE_NAME_CHARS = "(\\p{L}+[\\w]*)|([_][\\w]+)";
    // match get_sp(key) function
    public static final String SYSTEM_PROPERTY_REGEX_SINGLE_QUOTE = "get_sp\\(\\s*'" + NAMESPACE_CHARS + "'\\s*\\)";
    public static final String SYSTEM_PROPERTY_REGEX_DOUBLE_QUOTE = "get_sp\\(\\s*\"" + NAMESPACE_CHARS + "\"\\s*\\)";
    public static final String SYSTEM_PROPERTY_REGEX_WITHOUT_QUOTES = "get_sp\\(\\s*(.+?)\\s*\\)";
    // match get_sp(key, default) function
    public static final String SYSTEM_PROPERTY_REGEX_WITH_DEFAULT_SINGLE_QUOTE = "get_sp\\(\\s*'" + NAMESPACE_CHARS +
            "'\\s*,\\s*(.+?)\\)";
    public static final String SYSTEM_PROPERTY_REGEX_WITH_DEFAULT_DOUBLE_QUOTE = "get_sp\\(\\s*\"" + NAMESPACE_CHARS +
            "\"\\s*,\\s*(.+?)\\)";
    public static final String SYSTEM_PROPERTY_REGEX_WITH_DEFAULT_WITHOUT_QUOTES = "get_sp\\(\\s*" +
            "(.+?)\\s*,\\s*(.+?)\\)";
    // match get() function
    public static final String GET_REGEX = "get\\((.+)\\)";
    public static final String GET_REGEX_WITH_DEFAULT = "get\\((.+?),(.+?)\\)";
    public static final String CHECK_EMPTY_REGEX = "check_empty\\((.+?),(.+?)\\)";
    public static final String CS_APPEND_REGEX = "cs_append\\((.+?),(.+?)\\)";
    public static final String CS_PREPEND_REGEX = "cs_prepend\\((.+?),(.+?)\\)";
    public static final String CS_EXTRACT_NUMBER_REGEX = "cs_extract_number\\((.+?)(,(.+?))?\\)";
    public static final String CS_REPLACE_REGEX = "cs_replace\\((.+?),(.+?),(.+?)(,(.+?))?\\)";
    public static final String CS_ROUND_REGEX = "cs_round\\((.+?)\\)";
    public static final String CS_SUBSTRING_REGEX = "cs_substring\\((.+?),(.+?)(,(.+?))?\\)";
    public static final String CS_TO_UPPER_REGEX = "cs_to_upper\\((.+?)\\)";
    public static final String CS_TO_LOWER_REGEX = "cs_to_lower\\((.+?)\\)";

    //////////////// description
    public static final String DESCRIPTION_START_LINE = "(\\s*)(#!!)(([^#])(.*))*";
    public static final String DESCRIPTION_END_LINE = "(\\s*)(#!!#)(.*)";

    // #! @input var: content
    public static final String DESCRIPTION_VARIABLE_LINE =
            "(\\s*)(#!)(\\s*)(@([^:\\s]+)(\\s+)([^:\\s]+))(\\s*)(:)(\\s*)(.*)";
    public static final int DESCRIPTION_VARIABLE_LINE_DECLARATION_GROUP_NR = 4;
    public static final int DESCRIPTION_VARIABLE_LINE_CONTENT_GROUP_NR = 11;

    // #! @input var <=> #! @input var: content
    public static final String DESCRIPTION_VARIABLE_LINE_DECLARATION_ONLY =
            "(\\s*)(#!)(\\s*)((@[^:\\s]+)(\\s+([^:\\s]*))?)";
    public static final int DESCRIPTION_VARIABLE_LINE_DECLARATION_ONLY_GROUP_NR = 4;

    // #! @description: content
    public static final String DESCRIPTION_GENERAL_LINE = "(\\s*)(#!)(\\s*)(@([^:\\s]+))(\\s*)(:)(\\s*)(.*)";
    public static final int DESCRIPTION_GENERAL_LINE_DECLARATION_GROUP_NR = 4;
    public static final int DESCRIPTION_GENERAL_LINE_CONTENT_GROUP_NR = 9;

    // #! description span on multi line
    public static final String DESCRIPTION_COMPLEMENTARY_LINE = "(\\s*)(#!)(([^!])(.*))*";
    public static final int DESCRIPTION_COMPLEMENTARY_LINE_GROUP_NR = 3;

    // # abc
    public static final String COMMENT_LINE = "(\\s*)(#)(.*)";

    // - step_name: data
    public static final String STEP_START_LINE = "(\\s*)-(\\s*)(\\p{L}+[\\w]*):(.*)|([_][\\w]+)(\\s*):(.*)";
    public static final int STEP_START_LINE_DATA_GROUP_NR = 3;

    public static final String DESCRIPTION_DECLARATION_DELIMITER = "\\s+";

    public static final String EXECUTABLE_DESCRIPTION_DELIMITER_CHARS = "#######################################" +
            "#################################################################################";
    public static final String EXECUTABLE_DESCRIPTION_DELIMITER_LINE =
            "(\\s*)(" + EXECUTABLE_DESCRIPTION_DELIMITER_CHARS + ")(\\s*)";

    public static final String STEP_DESCRIPTION_DELIMITER_CHARS =
            "##########################################################################################";
    public static final String STEP_DESCRIPTION_DELIMITER_LINE =
            "(\\s*)(" + STEP_DESCRIPTION_DELIMITER_CHARS + ")(\\s*)";

    public static final String DESCRIPTION_TOKEN = "#!";

    public static final String DESCRIPTION_EMPTY_LINE = "(\\s*)(#!)(\\s*)";

    // get_sp_var('flow_input')
    public static final String GET_SP_VAR_REGEX_WITH_SINGLE_QUOTES = "get_sp_var\\(\\s*'(.+)'\\s*\\)";
    // get_sp_var("flow_input")
    public static final String GET_SP_VAR_REGEX_WITH_DOUBLE_QUOTES = "get_sp_var\\(\\s*\"(.+)\"\\s*\\)";
    // get_sp_var("flow_input")
    public static final String GET_SP_VAR_REGEX_WITHOUT_QUOTES = "get_sp_var\\(\\s*(.+)\\s*\\)";
    //////////////// description end
}