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/*
   filesystem/inifile.cc
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

// project headers
#include "filesystem/inifile.h"

namespace filesystem {

void IniFile::open(const char * filename, std::ios_base::openmode mode) {
	last_read_was_section = false;
	last_read_was_key = false;
	key_current = "";
	value_current = "";
	section_current = "";
	line_number = 0;

	File::open(filename, mode);
}


bool IniFile::got_section() const {
	return last_read_was_section;
}

bool IniFile::got_section(const char * sectionlabel) const {
	return (last_read_was_section && section_current == sectionlabel);
}

IniFile & IniFile::getline() {
	char line[1024];

	last_read_was_section = false;
	last_read_was_key = false;
	key_current = "";
	value_current = "";

	while ((*this)) {
		File::getline(line, 1024);
		std::string s(line);
		line_number++;

		if (s.size() == 0) {
			// empty line
		} else
			// comment
			if (s[0] == '#' || s[0] == ';') {
				// condebug << "IniFile got comment " << s << std::endl;
			} else
				// section header
				if (s.size() > 2 && s[0] == '[' && s[s.size()-1] == ']') {
					// condebug << "Inifile got section header " << s << std::endl;
					section_current = s.substr(1, s.size()-2);
					last_read_was_section = true;
					break;
				} else {
					// key=value pair
					size_t found = s.find('=');
					if (found !=std::string::npos) {
						// FIXME strip spaces, make lowercase
						key_current = s.substr(0, found);

						if (key_current.size() > 0) {
							value_current = s.substr(found+1, s.size() - found - 1);
							last_read_was_key = true;
							break;
						}

					}
				}
	}

	return (*this);
}

bool IniFile::got_key_string(char * const keylabel, std::string & valuestring) {
	//condebug << "IniFile got_value_string " << keylabel << " " << last_read_was_key << std::endl;
	if (last_read_was_key && key_current == keylabel) {
		valuestring.assign(value_current);
		return true;
	} else {
		return false;
	}
}


} // namespace filesystem