/*
================================================================================
	Name		:	StringUtility
	In			:	[none]		
	Out			:	[none]		
	Note		:	文字列用ユーティリティ群
--------------------------------------------------------------------------------
	Version		:	Ver1.0.0	|	2006/01/16	|	新規作成
				:	Ver1.0.1	|	2006/12/19	|	シングルクォーテーションに対する処理を追加
				:	Ver1.0.2	|	2007/02/15	|	スペルミス修正[getLengthByBite]->[getLengthByByte]
				:	Ver1.1.0	|	2007/02/17	|	[StringUtility.Encode.JavaScriptComplete]を追加
--------------------------------------------------------------------------------
	License		:	MIT license
	URL			:	www.kanasansoft.com
================================================================================
*/

/*--------------------------------------------------------------------------------
	コンストラクタ
--------------------------------------------------------------------------------*/
function StringUtility(){
}

StringUtility.Encode
=	function(){
}

StringUtility.Decode
=	function(){
}

StringUtility.Convert
=	function(){
}

/*--------------------------------------------------------------------------------
	HTMLエンコードを行なう
--------------------------------------------------------------------------------*/
StringUtility.Encode.HTML
=	function(str){
	return			str											.
					replace(	/&/ig	,	"&"		)		.
					replace(	/</ig	,	"&lt;"		)		.
					replace(	/>/ig	,	"&gt;"		)		.
					replace(	/'/ig	,	"&apos;"	)		.
					replace(	/"/ig	,	"&quot;"	)		.
					replace(	/ /ig	,	"&nbsp;"	)		;
}

/*--------------------------------------------------------------------------------
	HTMLデコードを行なう
--------------------------------------------------------------------------------*/
StringUtility.Decode.HTML
=	function(str){
	return			str											.
					replace(	/&nbsp;/ig	,	" "		)		.
					replace(	/&quot;/ig	,	"\""	)		.
					replace(	/&apos;/ig	,	"'"		)		.
					replace(	/&gt;/ig	,	">"		)		.
					replace(	/&lt;/ig	,	"<"		)		.
					replace(	/&amp;/ig	,	"&"		)		;
}

/*--------------------------------------------------------------------------------
	HTMLエンコードを行なう(Bookmarklet用)
--------------------------------------------------------------------------------*/
StringUtility.Encode.HTMLforBookmarklet
=	function(str){
	return			str											.
					replace(	/&/ig	,	"&amp;"		)		.
					replace(	/</ig	,	"&lt;"		)		.
					replace(	/>/ig	,	"&gt;"		)		.
					replace(	/'/ig	,	"&apos;"	)		.
					replace(	/"/ig	,	"&quot;"	)		;
}

/*--------------------------------------------------------------------------------
	JavaScriptエンコードを行なう
--------------------------------------------------------------------------------*/
StringUtility.Encode.JavaScript
=	function(str){
	return			str											.
					replace(	/\\/ig	,	"\\\\"		)		.
/*					replace(	/\b/ig	,	"\\b"		)		.*/
					replace(	/\f/ig	,	"\\f"		)		.
					replace(	/\n/ig	,	"\\n"		)		.
					replace(	/\r/ig	,	"\\r"		)		.
					replace(	/\t/ig	,	"\\t"		)		.
					replace(	/'/ig	,	"\\'"		)		.
					replace(	/"/ig	,	"\\\""		)		;
}

/*--------------------------------------------------------------------------------
	JavaScriptエンコードを行なう
--------------------------------------------------------------------------------*/
StringUtility.Encode.JavaScriptComplete
=	function(str){
	var rtn	=	"";
	for(var i=0;i<str.length;i++){
		rtn	+=	"\\u"+(("0000"+(str.charCodeAt(i).toString(16))).slice(-4));
	}
	return rtn;
}

/*--------------------------------------------------------------------------------
	tabをspaceに変換する
--------------------------------------------------------------------------------*/
StringUtility.Convert.TabToSpace
=	function(str,tabNumber){

	var linesRN							=	str.split("\r\n");
	for(var lineCntRN=0;lineCntRN<linesRN.length;lineCntRN++){
		var linesN						=	linesRN[lineCntRN].split("\n");
		for(var lineCntN=0;lineCntN<linesN.length;lineCntN++){
			var linesR					=	linesN[lineCntN].split("\r");
			for(var lineCntR=0;lineCntR<linesR.length;lineCntR++){
				var wordsT				=	linesR[lineCntR].split("\t");
				for(var wordsCntT=0;wordsCntT<wordsT.length-1;wordsCntT++){
					wordsT[wordsCntT]	+=	StringUtility.getRepeatString(
												" "																		,
												tabNumber-(StringUtility.getLengthByByte(wordsT[wordsCntT])%tabNumber)	)
				}
				linesR[lineCntR]		=	wordsT.join("");
			}
			linesN[lineCntN]			=	linesR.join("\r");
		}
		linesRN[lineCntRN]				=	linesN.join("\n");
	}
	var	rtn								=	linesRN.join("\r\n");

	return rtn;

}

/*--------------------------------------------------------------------------------
	改行コードを"<br />"に変換する
--------------------------------------------------------------------------------*/
StringUtility.Convert.NewLineCodeToTag
=	function(str){
	return			str												.
					replace(	/\r\n/ig	,	"<br />"	)		.
					replace(	/\r/ig		,	"<br />"	)		.
					replace(	/\n/ig		,	"<br />"	)		;
}

/*--------------------------------------------------------------------------------
	文字バイト長取得
--------------------------------------------------------------------------------*/
StringUtility.getLengthByByte
=	function(str){
	var count	=	0;
	for(var i=0;i<str.length;i++){
		var code	=	str.charCodeAt(i);
		while(code!=0){
			count++;
			code>>>=8;
		}
	}
	return count;
}

/*--------------------------------------------------------------------------------
	繰り返し文字取得
--------------------------------------------------------------------------------*/
StringUtility.getRepeatString
=	function(str,num){
	var rtn	=	"";
	for(var i=0;i<num;i++){
		rtn	+=	str;
	}
	return rtn;
}