/***************************************************************************
 *   Copyright (C) 2011-2019 by Hans-Peter Deifel                          *
 *   hpd@hpdeifel.de                                                       *
 *                                                                         *
 *   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, write to the                         *
 *   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,      *
 *   Boston, MA 02110-1301 USA.                                            *
 ***************************************************************************/

#ifndef OUTPUT_H
#define OUTPUT_H

#include <sys/types.h>
#include <string>
#include "pdfgrep.h"

struct context {
	const std::string& filename;
	size_t pagenum;
	std::string page_label;

	const Outconf& out;
};

struct match {
	const std::string string;
	size_t start;
	size_t end;
};

/* print the line prefix followed only by the match */
void print_only_match(const struct context &context, const struct match &match);

/** print a line with prefix and highlighting for matches.
 *
 * 'matches' must not be empty and all entries must begin and end in the same
 * line.
 */
void print_matches(const context& context, const std::vector<match>& matches);

/* print the filename, useful for --files-{with-match,without-matches} */
void print_only_filename(const Outconf& outconf, const std::string& filename);

// Print `lines` lines of context before the match. If lines is smaller than 0,
// use the value from context.outconf.
void print_context_before(const context& context, const match& match, int lines = -1);
// Print `lines` lines of context before the match. If lines is smaller than 0,
// use the value from context.outconf.
void print_context_after(const context& context, const match& match, int lines = -1);
void print_context_between(const context& context, const match& match1, const match& match2);
void print_context_separator(const Outconf &out);

// C++ interface:

// Print to stderr, with "pdfgrep: " as prefix;
std::ostream& err();

std::ostream& line_prefix(const context& context, bool in_context);

#endif

/* Local Variables: */
/* mode: c++ */
/* End: */
