/*
 * Cppcheck - A tool for static C/C++ code analysis
 * Copyright (C) 2007-2011 Daniel Marjamäki and Cppcheck team.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef settingsH
#define settingsH

#include <list>
#include <string>
#include <istream>
#include <set>
#include "suppressions.h"

/// @addtogroup Core
/// @{


/**
 * @brief This is just a container for general settings so that we don't need
 * to pass individual values to functions or constructors now or in the
 * future when we might have even more detailed settings.
 */
class Settings {
private:
    /** @brief Code to append in the checks */
    std::string _append;

    /** @brief enable extra checks by id */
    std::set<std::string> _enabled;

    /** @brief terminate checking */
    bool _terminate;

public:
    Settings();

    /** @brief Is --debug given? */
    bool debug;

    /** @brief Is --debug-warnings given? */
    bool debugwarnings;

    /** @brief Is --debug-fp given? */
    bool debugFalsePositive;

    /** @brief Inconclusive checks */
    bool inconclusive;

    /**
     * When this flag is false (default) then experimental
     * heuristics and checks are disabled.
     *
     * It should not be possible to enable this from any client.
     */
    bool experimental;

    /** @brief Is --quiet given? */
    bool _errorsOnly;

    /** @brief Is --inline-suppr given? */
    bool _inlineSuppressions;

    /** @brief Is --verbose given? */
    bool _verbose;

    /** @brief Request termination of checking */
    void terminate() {
        _terminate = true;
    }

    /** @brief termination requested? */
    bool terminated() const {
        return _terminate;
    }

    /** @brief Force checking the files with "too many" configurations (--force). */
    bool _force;

    /** @brief write XML results (--xml) */
    bool _xml;

    /** @brief XML version (--xmlver=..) */
    int _xml_version;

    /** @brief How many processes/threads should do checking at the same
        time. Default is 1. (-j N) */
    unsigned int _jobs;

    /** @brief If errors are found, this value is returned from main().
        Default value is 0. */
    int _exitCode;

    /** @brief The output format in which the errors are printed in text mode,
        e.g. "{severity} {file}:{line} {message} {id}" */
    std::string _outputFormat;

    /** @brief show timing information (--showtime=file|summary|top5) */
    unsigned int _showtime;

    /** @brief List of include paths, e.g. "my/includes/" which should be used
        for finding include files inside source files. (-I) */
    std::list<std::string> _includePaths;

    /** @brief assign append code (--append) */
    void append(const std::string &filename);

    /** @brief get append code (--append) */
    std::string append() const;

    /**
     * @brief Returns true if given id is in the list of
     * enabled extra checks (--enable)
     * @param str id for the extra check, e.g. "style"
     * @return true if the check is enabled.
     */
    bool isEnabled(const std::string &str) const;

    /**
     * @brief Enable extra checks by id. See isEnabled()
     * @param str single id or list of id values to be enabled
     * or empty string to enable all. e.g. "style,possibleError"
     * @return error message. empty upon success
     */
    std::string addEnabled(const std::string &str);

    /** @brief suppress message (--suppressions) */
    Suppressions nomsg;

    /** @brief suppress exitcode */
    Suppressions nofail;

    /** @brief defines given by the user */
    std::string userDefines;

    /** @brief Experimental 2 pass checking of files */
    bool test_2_pass;

    /** @brief --report-progress */
    bool reportProgress;

    /**
     * @brief Is there any preprocessor configurations in the source code?
     * As usual, include guards are not counted.
     */
    bool ifcfg;

    /** Rule */
    class Rule {
    public:
        Rule() {
            // default id
            id = "rule";

            // default severity
            severity = "style";
        }

        std::string pattern;
        std::string id;
        std::string severity;
        std::string summary;
    };

    /**
     * @brief Extra rules
     */
    std::list<Rule> rules;

    /** Is the 'configuration checking' wanted? */
    bool checkConfiguration;

    /** Code is posix - it is not compatible with non-posix environments */
    bool posix;

    /** Code is C99 standard - it is not compatible with previous versions */
    bool c99;

    /** size of standard types */
    unsigned int sizeof_bool;
    unsigned int sizeof_short;
    unsigned int sizeof_int;
    unsigned int sizeof_long;
    unsigned int sizeof_long_long;
    unsigned int sizeof_float;
    unsigned int sizeof_double;
    unsigned int sizeof_long_double;
    unsigned int sizeof_size_t;
    unsigned int sizeof_pointer;

    enum PlatformType {
        Unspecified, // whatever system this code was compiled on
        Win32A,
        Win32W,
        Win64,
        Unix32,
        Unix64
    };

    /** platform type */
    PlatformType platformType;

    /** set the platform type for predefined platforms */
    bool platform(PlatformType type);

    /** set the platform type for user specified platforms */
    bool platformFile(const std::string &filename);
};

/// @}

#endif // SETTINGS_H