lib/colon.h

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//
// nis-util - NIS Administration Utilities
// Copyright (C) 2001, 2008, 2009, 2011, 2012 Peter Miller
//
// 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 2 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 LIB_COLON_H
#define LIB_COLON_H

#include <lib/config.h>
#include <vector>

#include <lib/gcc-attr.h>
#include <lib/input.h>
#include <lib/rcstring.h>
#include <lib/source_location.h>

class colon
{
public:
    virtual ~colon();

    colon(const rcstring &filename);

private:
    void open(void);

    void lex(void);

    source_location get_source_location(void) const;

protected:
    void close(void);

    typedef std::vector<rcstring> line_t;

    bool read_one_line(line_t &result);

    bool read_one_line(source_location &result_locn, line_t &result);

    void error(const source_location &locn, const char *fmt, ...)
                                                         ATTRIBUTE_PRINTF(3, 4);

    void pedantic_error(const source_location &locn, const char *fmt, ...)
                                                         ATTRIBUTE_PRINTF(3, 4);

    void warning(const source_location &locn, const char *fmt, ...)
                                                         ATTRIBUTE_PRINTF(3, 4);

public:
    void discard_blank_lines(void);

    void discard_comments(void);

    void explain_sequence_errors(void);

private:
    void verror(const source_location &locn, const char *fmt, va_list ap)
                                                         ATTRIBUTE_PRINTF(3, 0);

    void vwarning(const source_location &locn, const char *fmt, va_list ap)
                                                         ATTRIBUTE_PRINTF(3, 0);

    void vpedantic_error(const source_location &locn, const char *fmt,
        va_list ap)                                      ATTRIBUTE_PRINTF(3, 0);

    enum token_ty
    {
        token_eof,
        token_eoln,
        token_colon,
        token_string
    };

    rcstring filename;

    input::pointer ip;

    bool non_printing_whine;

    token_ty token;

    rcstring token_value;

    int error_count;

    bool discard_comments_flag;

    bool discard_blank_lines_flag;

    source_location token_locn;

    bool explained_sequence_errors;

    colon();

    colon(const colon &);

    colon &operator=(const colon &);
};

// vim: set ts=8 sw=4 et :
#endif // LIB_COLON_H