WebSVN – munaweb – /ebay/js/vkbeautify.js

/**
* vkBeautify - javascript plugin to pretty-print or minify text in XML, JSON, CSS and SQL formats.
*  
* Version - 0.99.00.beta 
* Copyright (c) 2012 Vadim Kiryukhin
* vkiryukhin @ gmail.com
* http://www.eslinstructor.net/vkbeautify/
* 
* Dual licensed under the MIT and GPL licenses:
*   http://www.opensource.org/licenses/mit-license.php
*   http://www.gnu.org/licenses/gpl.html
*
*   Pretty print
*
*        vkbeautify.xml(text [,indent_pattern]);
*        vkbeautify.json(text [,indent_pattern]);
*        vkbeautify.css(text [,indent_pattern]);
*        vkbeautify.sql(text [,indent_pattern]);
*
*        @text - String; text to beatufy;
*        @indent_pattern - Integer | String;
*                Integer:  number of white spaces;
*                String:   character string to visualize indentation ( can also be a set of white spaces )
*   Minify
*
*        vkbeautify.xmlmin(text [,preserve_comments]);
*        vkbeautify.jsonmin(text);
*        vkbeautify.cssmin(text [,preserve_comments]);
*        vkbeautify.sqlmin(text);
*
*        @text - String; text to minify;
*        @preserve_comments - Bool; [optional];
*                Set this flag to true to prevent removing comments from @text ( minxml and mincss functions only. )
*
*   Examples:
*        vkbeautify.xml(text); // pretty print XML
*        vkbeautify.json(text, 4 ); // pretty print JSON
*        vkbeautify.css(text, '. . . .'); // pretty print CSS
*        vkbeautify.sql(text, '----'); // pretty print SQL
*
*        vkbeautify.xmlmin(text, true);// minify XML, preserve comments
*        vkbeautify.jsonmin(text);// minify JSON
*        vkbeautify.cssmin(text);// minify CSS, remove comments ( default )
*        vkbeautify.sqlmin(text);// minify SQL
*
*/

(function() {

function createShiftArr(step) {

        var space = '    ';
        
        if ( isNaN(parseInt(step)) ) {  // argument is string
                space = step;
        } else { // argument is integer
                switch(step) {
                        case 1: space = ' '; break;
                        case 2: space = '  '; break;
                        case 3: space = '   '; break;
                        case 4: space = '    '; break;
                        case 5: space = '     '; break;
                        case 6: space = '      '; break;
                        case 7: space = '       '; break;
                        case 8: space = '        '; break;
                        case 9: space = '         '; break;
                        case 10: space = '          '; break;
                        case 11: space = '           '; break;
                        case 12: space = '            '; break;
                }
        }

        var shift = ['\n']; // array of shifts
        for(ix=0;ix<100;ix++){
                shift.push(shift[ix]+space); 
        }
        return shift;
}

function vkbeautify(){
        this.step = '    '; // 4 spaces
        this.shift = createShiftArr(this.step);
};

vkbeautify.prototype.xml = function(text,step) {

        var ar = text.replace(/>\s{0,}</g,"><")
                                 .replace(/</g,"~::~<")
                                 .replace(/\s*xmlns\:/g,"~::~xmlns:")
                                 .replace(/\s*xmlns\=/g,"~::~xmlns=")
                                 .split('~::~'),
                len = ar.length,
                inComment = false,
                deep = 0,
                str = '',
                ix = 0,
                shift = step ? createShiftArr(step) : this.shift;

                for(ix=0;ix<len;ix++) {
                        // start comment or <![CDATA[...]]> or <!DOCTYPE //
                        if(ar[ix].search(/<!/) > -1) { 
                                str += shift[deep]+ar[ix];
                                inComment = true; 
                                // end comment  or <![CDATA[...]]> //
                                if(ar[ix].search(/-->/) > -1 || ar[ix].search(/\]>/) > -1 || ar[ix].search(/!DOCTYPE/) > -1 ) { 
                                        inComment = false; 
                                }
                        } else 
                        // end comment  or <![CDATA[...]]> //
                        if(ar[ix].search(/-->/) > -1 || ar[ix].search(/\]>/) > -1) { 
                                str += ar[ix];
                                inComment = false; 
                        } else 
                        // <elm></elm> //
                        if( /^<\w/.exec(ar[ix-1]) && /^<\/\w/.exec(ar[ix]) &&
                                /^<[\w:\-\.\,]+/.exec(ar[ix-1]) == /^<\/[\w:\-\.\,]+/.exec(ar[ix])[0].replace('/','')) { 
                                str += ar[ix];
                                if(!inComment) deep--;
                        } else
                         // <elm> //
                        if(ar[ix].search(/<\w/) > -1 && ar[ix].search(/<\//) == -1 && ar[ix].search(/\/>/) == -1 ) {
                                str = !inComment ? str += shift[deep++]+ar[ix] : str += ar[ix];
                        } else 
                         // <elm>...</elm> //
                        if(ar[ix].search(/<\w/) > -1 && ar[ix].search(/<\//) > -1) {
                                str = !inComment ? str += shift[deep]+ar[ix] : str += ar[ix];
                        } else 
                        // </elm> //
                        if(ar[ix].search(/<\//) > -1) { 
                                str = !inComment ? str += shift[--deep]+ar[ix] : str += ar[ix];
                        } else 
                        // <elm/> //
                        if(ar[ix].search(/\/>/) > -1 ) { 
                                str = !inComment ? str += shift[deep]+ar[ix] : str += ar[ix];
                        } else 
                        // <? xml ... ?> //
                        if(ar[ix].search(/<\?/) > -1) { 
                                str += shift[deep]+ar[ix];
                        } else 
                        // xmlns //
                        if( ar[ix].search(/xmlns\:/) > -1  || ar[ix].search(/xmlns\=/) > -1) { 
                                str += shift[deep]+ar[ix];
                        } 
                        
                        else {
                                str += ar[ix];
                        }
                }
                
        return  (str[0] == '\n') ? str.slice(1) : str;
}

vkbeautify.prototype.json = function(text,step) {

        var step = step ? step : this.step;
        
        if (typeof JSON === 'undefined' ) return text; 
        
        if ( typeof text === "string" ) return JSON.stringify(JSON.parse(text), null, step);
        if ( typeof text === "object" ) return JSON.stringify(text, null, step);
                
        return text; // text is not string nor object
}

vkbeautify.prototype.css = function(text, step) {

        var ar = text.replace(/\s{1,}/g,' ')
                                .replace(/\{/g,"{~::~")
                                .replace(/\}/g,"~::~}~::~")
                                .replace(/\;/g,";~::~")
                                .replace(/\/\*/g,"~::~/*")
                                .replace(/\*\//g,"*/~::~")
                                .replace(/~::~\s{0,}~::~/g,"~::~")
                                .split('~::~'),
                len = ar.length,
                deep = 0,
                str = '',
                ix = 0,
                shift = step ? createShiftArr(step) : this.shift;
                
                for(ix=0;ix<len;ix++) {

                        if( /\{/.exec(ar[ix]))  { 
                                str += shift[deep++]+ar[ix];
                        } else 
                        if( /\}/.exec(ar[ix]))  { 
                                str += shift[--deep]+ar[ix];
                        } else
                        if( /\*\\/.exec(ar[ix]))  { 
                                str += shift[deep]+ar[ix];
                        }
                        else {
                                str += shift[deep]+ar[ix];
                        }
                }
                return str.replace(/^\n{1,}/,'');
}

//----------------------------------------------------------------------------

function isSubquery(str, parenthesisLevel) {
        return  parenthesisLevel - (str.replace(/\(/g,'').length - str.replace(/\)/g,'').length )
}

function split_sql(str, tab) {

        return str.replace(/\s{1,}/g," ")

                                .replace(/ AND /ig,"~::~"+tab+tab+"AND ")
                                .replace(/ BETWEEN /ig,"~::~"+tab+"BETWEEN ")
                                .replace(/ CASE /ig,"~::~"+tab+"CASE ")
                                .replace(/ ELSE /ig,"~::~"+tab+"ELSE ")
                                .replace(/ END /ig,"~::~"+tab+"END ")
                                .replace(/ FROM /ig,"~::~FROM ")
                                .replace(/ GROUP\s{1,}BY/ig,"~::~GROUP BY ")
                                .replace(/ HAVING /ig,"~::~HAVING ")
                                //.replace(/ SET /ig," SET~::~")
                                .replace(/ IN /ig," IN ")
                                
                                .replace(/ JOIN /ig,"~::~JOIN ")
                                .replace(/ CROSS~::~{1,}JOIN /ig,"~::~CROSS JOIN ")
                                .replace(/ INNER~::~{1,}JOIN /ig,"~::~INNER JOIN ")
                                .replace(/ LEFT~::~{1,}JOIN /ig,"~::~LEFT JOIN ")
                                .replace(/ RIGHT~::~{1,}JOIN /ig,"~::~RIGHT JOIN ")
                                
                                .replace(/ ON /ig,"~::~"+tab+"ON ")
                                .replace(/ OR /ig,"~::~"+tab+tab+"OR ")
                                .replace(/ ORDER\s{1,}BY/ig,"~::~ORDER BY ")
                                .replace(/ OVER /ig,"~::~"+tab+"OVER ")

                                .replace(/\(\s{0,}SELECT /ig,"~::~(SELECT ")
                                .replace(/\)\s{0,}SELECT /ig,")~::~SELECT ")
                                
                                .replace(/ THEN /ig," THEN~::~"+tab+"")
                                .replace(/ UNION /ig,"~::~UNION~::~")
                                .replace(/ USING /ig,"~::~USING ")
                                .replace(/ WHEN /ig,"~::~"+tab+"WHEN ")
                                .replace(/ WHERE /ig,"~::~WHERE ")
                                .replace(/ WITH /ig,"~::~WITH ")
                                
                                //.replace(/\,\s{0,}\(/ig,",~::~( ")
                                //.replace(/\,/ig,",~::~"+tab+tab+"")

                                .replace(/ ALL /ig," ALL ")
                                .replace(/ AS /ig," AS ")
                                .replace(/ ASC /ig," ASC ")     
                                .replace(/ DESC /ig," DESC ")   
                                .replace(/ DISTINCT /ig," DISTINCT ")
                                .replace(/ EXISTS /ig," EXISTS ")
                                .replace(/ NOT /ig," NOT ")
                                .replace(/ NULL /ig," NULL ")
                                .replace(/ LIKE /ig," LIKE ")
                                .replace(/\s{0,}SELECT /ig,"SELECT ")
                                .replace(/\s{0,}UPDATE /ig,"UPDATE ")
                                .replace(/ SET /ig," SET ")
                                                        
                                .replace(/~::~{1,}/g,"~::~")
                                .split('~::~');
}

vkbeautify.prototype.sql = function(text,step) {

        var ar_by_quote = text.replace(/\s{1,}/g," ")
                                                        .replace(/\'/ig,"~::~\'")
                                                        .split('~::~'),
                len = ar_by_quote.length,
                ar = [],
                deep = 0,
                tab = this.step,//+this.step,
                inComment = true,
                inQuote = false,
                parenthesisLevel = 0,
                str = '',
                ix = 0,
                shift = step ? createShiftArr(step) : this.shift;;

                for(ix=0;ix<len;ix++) {
                        if(ix%2) {
                                ar = ar.concat(ar_by_quote[ix]);
                        } else {
                                ar = ar.concat(split_sql(ar_by_quote[ix], tab) );
                        }
                }
                
                len = ar.length;
                for(ix=0;ix<len;ix++) {
                        
                        parenthesisLevel = isSubquery(ar[ix], parenthesisLevel);
                        
                        if( /\s{0,}\s{0,}SELECT\s{0,}/.exec(ar[ix]))  { 
                                ar[ix] = ar[ix].replace(/\,/g,",\n"+tab+tab+"")
                        } 
                        
                        if( /\s{0,}\s{0,}SET\s{0,}/.exec(ar[ix]))  { 
                                ar[ix] = ar[ix].replace(/\,/g,",\n"+tab+tab+"")
                        } 
                        
                        if( /\s{0,}\(\s{0,}SELECT\s{0,}/.exec(ar[ix]))  { 
                                deep++;
                                str += shift[deep]+ar[ix];
                        } else 
                        if( /\'/.exec(ar[ix]) )  { 
                                if(parenthesisLevel<1 && deep) {
                                        deep--;
                                }
                                str += ar[ix];
                        }
                        else  { 
                                str += shift[deep]+ar[ix];
                                if(parenthesisLevel<1 && deep) {
                                        deep--;
                                }
                        } 
                        var junk = 0;
                }

                str = str.replace(/^\n{1,}/,'').replace(/\n{1,}/g,"\n");
                return str;
}


vkbeautify.prototype.xmlmin = function(text, preserveComments) {

        var str = preserveComments ? text
                                                           : text.replace(/\<![ \r\n\t]*(--([^\-]|[\r\n]|-[^\-])*--[ \r\n\t]*)\>/g,"")
                                                                         .replace(/[ \r\n\t]{1,}xmlns/g, ' xmlns');
        return  str.replace(/>\s{0,}</g,"><"); 
}

vkbeautify.prototype.jsonmin = function(text) {

        if (typeof JSON === 'undefined' ) return text; 
        
        return JSON.stringify(JSON.parse(text), null, 0); 
                                
}

vkbeautify.prototype.cssmin = function(text, preserveComments) {
        
        var str = preserveComments ? text
                                                           : text.replace(/\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\//g,"") ;

        return str.replace(/\s{1,}/g,' ')
                          .replace(/\{\s{1,}/g,"{")
                          .replace(/\}\s{1,}/g,"}")
                          .replace(/\;\s{1,}/g,";")
                          .replace(/\/\*\s{1,}/g,"/*")
                          .replace(/\*\/\s{1,}/g,"*/");
}

vkbeautify.prototype.sqlmin = function(text) {
        return text.replace(/\s{1,}/g," ").replace(/\s{1,}\(/,"(").replace(/\s{1,}\)/,")");
}

window.vkbeautify = new vkbeautify();

})();
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