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<?php // (2019.2.9, 차재복, Cha Jae Bok, http://www.ktword.co.kr)

# 세션 설정
	session_start(); // 세션 스타트 (매 웹페이지 마다 필요)

# styling
	echo "<style type='text/css'>
				body { line-height: 150%; font-size: 13px; }
			</style>";



# db 접속
	include "../base_utils/db_conn.php";


# 관련 파일들 일괄 변환
	$files = array('reform_detail.php','../coding/coding.php','coding.txt','op_env.txt','op_files.txt');
	foreach($files as $key => $value) {
//		$out_file = strstr($value,'.',true).".2nd";
		$out_file = substr($value,0,strrpos($value,'.')).".2nd";
		if ( filemtime("./{$value}") > filemtime("./{$out_file}") ) { 
			$string = file_get_contents("./{$value}");
			$out_string = file_transform($string,$dbi);
			file_put_contents("./{$out_file}",$out_string);
			// 최종 텍스트 파일별 처리 결과
			echo "<pre>";
				echo htmlspecialchars($out_string);
			echo "</pre>";
			echo "<hr>";
		}
	}


function file_transform($string,$dbi) {

	# 쿼리문 생성 및 쿼리 요청
	$query = "select no,word,length(word) as len from dict_word_list group by word having count(*)<2 order by len desc";
	$result = mysqli_query($dbi,$query);
		if (mysqli_errno($dbi)) { echo mysqli_errno($dbi)." : ".mysqli_error($dbi)."\n";}

	# 쿼리 결과에 따라, 각 레코드별 단어 링크 처리
	$count = $count+1;
	while ($matched = mysqli_fetch_assoc($result)) {

			word_replace($string, $matched[word], $matched[no], $count);

			$space_cnt = substr_count($matched[word],' ');
			if ($space_cnt>0) {
				$space_removed_word = str_replace(' ','',$matched[word]);
				word_replace($string, $space_removed_word, $matched[no], $count);
			} 

	}
	return $string;

}

/*
	echo "정보통신기술용어와의 일치 용어를 링크 교체한 결과 : {$count}개";
//	file_put_contents("./{$out_file}",$string);
	echo "<hr>";

	echo "<pre>";
//		echo htmlspecialchars($string);
//		echo $string;
	echo "</pre>";
	echo "<hr>";
*/


function word_replace(&$string, $word, $no, &$count) {

		while ( $left=mb_strpos($string, $word, $left) ) {

			$len = mb_strlen($word);

			if (is_skip($string,$word,$left)) {
				$left += $len;
				continue;
			}

			$right = $left + mb_strlen($word);
//			$replaced = '{'.$word.'@'.$count.'}';
			$replaced = "<a href='/word/abbr_view.php?m_temp1={$no}'>".strip_bracket($word)."</a>";
			$string = mb_substr($string,0,$left).$replaced.mb_substr($string,$right);

			$count += 1;
			$left = $left + mb_strlen($replaced);
		}

}


function is_skip($string, $word, $pos) {
	$ok_char = [' ',',','/',':','(',')','[',']','"',"'","\n","\r","\t"];
	$doubt_char = ['<','>'];
	$before_char = mb_substr($string,$pos-1,1);
	$after_char = mb_substr($string,$pos+mb_strlen($word),1);
	$before_two_char = mb_substr($string,$pos-2,2);
	$after_four_char = mb_substr($string,$pos+mb_strlen($word),4);
	if( in_array($before_char,$ok_char) and in_array($after_char,$ok_char) ) {
		return false; // no skip
	} else if ( $before_two_char == "'>" and $after_four_char == "</a>") {
		return true; // skip
	} else if ( in_array($before_char,$ok_char) and $after_char == '<' ) {
		if ($after_four_char != '</a>') return false; // no skip
	} else if ( $before_two_char != "'>" and in_array($after_char,$ok_char) ) {
		return false; // no skip
		
		/*		 
		in_array($before_char,$doubt_char) or 
		$before_two_char = mb_substr($string,$pos-2,2);
		*/
		/*
		$left = mb_strrpos($string,'<a ',$pos);
		$center = mb_strrpos($string,'\'>',$pos);
		$right = mb_strpos($string,'</a>',$pos);
		$right_chk =  mb_strpos($string,'<a ',$pos);
		if ( $left < $pos and ($center > $left and $center < $pos) and $right > $pos ) {
			return true; // skip
		} else {
			return false; // no skip
		}
		*/
	} else {
		return true; // skip
	}
}


function html_tag_replace($string, $first="<a href='", $middle="'>", $end="</a>") {

	$count = 1;
	while ( ($left=strpos($string,$first,$right)) and ($center=strpos($string,$middle,$left)) and ($right=strpos($string,$end,$center)) ) {

		$extract_1st = substr($string,$left+strlen($first),$center-$left-strlen($first));
		
		$extract_2nd = substr($string,$center+strlen($middle),$right-$center-strlen($middle));
		if (strpos($extract_2nd,$first)!==false or strpos($extract_2nd,$middle)!==false) {
			$right = $left + strlen($first);
			continue;
		}

		$array[] = array($count, $extract_2nd, $extract_1st);

//		$replaced = '{'.$extract_2nd.'@'.$count.'}';
		if (strpos($extract_1st,'/word/abbr_view.php?')!==false) {
			$replaced = $extract_2nd;
		} else {
			$replaced = '{@'.$count.'}';
		}
		$string = substr($string,0,$left).$replaced.substr($string,$right+strlen($end));

		$count += 1;
		$right = $left+strlen($replaced);
	}
	return array($string,$array);
}


function strip_bracket($str) {
	$rest = $str;
	while ( ($start = strpos($rest,'[')) and ($end = strpos($rest,']',$start+1)) ) {
		$rest = substr($rest,0,$start) . substr($rest,$end+1);
	}
	return $rest;
}

?>