alasql/src/12pretty.js

AlaSQL.js - JavaScript SQL database library for relational and graph data manipulation with support of localStorage, IndexedDB, and Excel

//
// 12prettyflag.js - prettify
//

/**
 Pretty flag - nice HTML output or standard text without any tags
 */

alasql.prettyflag = false;

/**
 Pretty output of SQL functions
 @param {string} sql SQL statement
 @param {boolean} prettyflag value
 @return {string} HTML or text string with pretty output 
 */

alasql.pretty = function(sql, flag) {
	var pf = alasql.prettyflag;
	alasql.prettyflag = !flag;
	var s = alasql.parse(sql).toString();
	alasql.prettyflag = pf;
	return s;
};

/**
 Pretty keyword
 @param {string} Keyword
 @return {string} pretty keyword
 */
function K(s){
	if(alasql.prettyflag) {
		return '<b style="color:blue">'+s.toUpperCase()+'</b>'; 
	} else {
		return s;
	}
};

/**
 Pretty 
 @param {string} 
 @return {string} pretty keyword
 */
function P(s){
	if(alasql.prettyflag) {
		return '<span style="color:green">'+s+'</span>'; 
	} else {
		return s;
	}
};

/**
 Pretty 
 @param {string} 
 @return {string} pretty keyword
 */
function L(s){
	if(alasql.prettyflag) {
		return '<span style="color:red">'+s+'</span>'; 
	} else {
		return s;
	}
};

/**
 Pretty number
 @param {string | number} s number 
 @return {string} pretty number
 */
function N(s){
	if(alasql.prettyflag) {
		return '<span style="color:green">'+s+'</span>'; 
	} else {
		return s;
	}
};

/**
 Pretty string
 @param {string} s string 
 @return {string} pretty string
 */
function S(s){
	if(alasql.prettyflag) {
		return '<span style="color:green">'+s+'</span>'; 
	} else {
		return s;
	}
};


/**
 Pretty new line
 @return {string} HTML new line character
 */
function NL(){
	if(alasql.prettyflag) {
		return '<br/>'; 
	} else {
		return ' '; // '\n'
	}	
};

/**
 Pretty ident
 @return {string} HTML ident
 */
function ID(){
	if(alasql.prettyflag) {
		return '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'; 
	} else {
		return ''; //'    ';
	}	
};