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344 lines
10 KiB
344 lines
10 KiB
/** |
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* pretty-data - nodejs plugin to pretty-print or minify data in XML, JSON and CSS formats. |
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* |
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* Version - 0.40.0 |
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* Copyright (c) 2012 Vadim Kiryukhin |
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* vkiryukhin @ gmail.com |
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* http://www.eslinstructor.net/pretty-data/ |
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* |
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* Dual licensed under the MIT and GPL licenses: |
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* http://www.opensource.org/licenses/mit-license.php |
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* http://www.gnu.org/licenses/gpl.html |
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* |
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* pd.xml(data ) - pretty print XML; |
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* pd.json(data) - pretty print JSON; |
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* pd.css(data ) - pretty print CSS; |
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* pd.sql(data) - pretty print SQL; |
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* |
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* pd.xmlmin(data [, preserveComments] ) - minify XML; |
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* pd.jsonmin(data) - minify JSON; |
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* pd.cssmin(data [, preserveComments] ) - minify CSS; |
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* pd.sqlmin(data) - minify SQL; |
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* |
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* PARAMETERS: |
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* |
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* @data - String; XML, JSON, CSS or SQL text to beautify; |
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* @preserveComments - Bool (optional, used in minxml and mincss only); |
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* Set this flag to true to prevent removing comments from @text; |
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* @Return - String; |
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* |
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* USAGE: |
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* |
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* var pd = require('pretty-data').pd; |
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* |
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* var xml_pp = pd.xml(xml_text); |
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* var xml_min = pd.xmlmin(xml_text [,true]); |
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* var json_pp = pd.json(json_text); |
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* var json_min = pd.jsonmin(json_text); |
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* var css_pp = pd.css(css_text); |
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* var css_min = pd.cssmin(css_text [, true]); |
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* var sql_pp = pd.sql(sql_text); |
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* var sql_min = pd.sqlmin(sql_text); |
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* |
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* TEST: |
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* comp-name:pretty-data$ node ./test/test_xml |
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* comp-name:pretty-data$ node ./test/test_json |
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* comp-name:pretty-data$ node ./test/test_css |
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* comp-name:pretty-data$ node ./test/test_sql |
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*/ |
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function pp() { |
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this.shift = ['\n']; // array of shifts |
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this.step = ' ', // 2 spaces |
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maxdeep = 100, // nesting level |
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ix = 0; |
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// initialize array with shifts // |
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for(ix=0;ix<maxdeep;ix++){ |
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this.shift.push(this.shift[ix]+this.step); |
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} |
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}; |
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// ----------------------- XML section ---------------------------------------------------- |
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pp.prototype.xml = function(text) { |
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var ar = text.replace(/>\s{0,}</g,"><") |
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.replace(/</g,"~::~<") |
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.replace(/xmlns\:/g,"~::~xmlns:") |
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.replace(/xmlns\=/g,"~::~xmlns=") |
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.split('~::~'), |
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len = ar.length, |
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inComment = false, |
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deep = 0, |
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str = '', |
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ix = 0; |
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for(ix=0;ix<len;ix++) { |
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// start comment or <![CDATA[...]]> or <!DOCTYPE // |
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if(ar[ix].search(/<!/) > -1) { |
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str += this.shift[deep]+ar[ix]; |
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inComment = true; |
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// end comment or <![CDATA[...]]> // |
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if(ar[ix].search(/-->/) > -1 || ar[ix].search(/\]>/) > -1 || ar[ix].search(/!DOCTYPE/) > -1 ) { |
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inComment = false; |
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} |
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} else |
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// end comment or <![CDATA[...]]> // |
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if(ar[ix].search(/-->/) > -1 || ar[ix].search(/\]>/) > -1) { |
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str += ar[ix]; |
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inComment = false; |
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} else |
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// <elm></elm> // |
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if( /^<\w/.exec(ar[ix-1]) && /^<\/\w/.exec(ar[ix]) && |
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/^<[\w:\-\.\,]+/.exec(ar[ix-1]) == /^<\/[\w:\-\.\,]+/.exec(ar[ix])[0].replace('/','')) { |
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str += ar[ix]; |
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if(!inComment) deep--; |
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} else |
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// <elm> // |
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if(ar[ix].search(/<\w/) > -1 && ar[ix].search(/<\//) == -1 && ar[ix].search(/\/>/) == -1 ) { |
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str = !inComment ? str += this.shift[deep++]+ar[ix] : str += ar[ix]; |
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} else |
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// <elm>...</elm> // |
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if(ar[ix].search(/<\w/) > -1 && ar[ix].search(/<\//) > -1) { |
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str = !inComment ? str += this.shift[deep]+ar[ix] : str += ar[ix]; |
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} else |
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// </elm> // |
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if(ar[ix].search(/<\//) > -1) { |
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str = !inComment ? str += this.shift[--deep]+ar[ix] : str += ar[ix]; |
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} else |
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// <elm/> // |
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if(ar[ix].search(/\/>/) > -1 ) { |
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str = !inComment ? str += this.shift[deep]+ar[ix] : str += ar[ix]; |
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} else |
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// <? xml ... ?> // |
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if(ar[ix].search(/<\?/) > -1) { |
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str += this.shift[deep]+ar[ix]; |
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} else |
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// xmlns // |
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if( ar[ix].search(/xmlns\:/) > -1 || ar[ix].search(/xmlns\=/) > -1) { |
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str += this.shift[deep]+ar[ix]; |
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} |
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else { |
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str += ar[ix]; |
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} |
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} |
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return (str[0] == '\n') ? str.slice(1) : str; |
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} |
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// ----------------------- JSON section ---------------------------------------------------- |
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pp.prototype.json = function(text) { |
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if ( typeof text === "string" ) { |
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return JSON.stringify(JSON.parse(text), null, this.step); |
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} |
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if ( typeof text === "object" ) { |
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return JSON.stringify(text, null, this.step); |
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} |
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return null; |
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} |
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// ----------------------- CSS section ---------------------------------------------------- |
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pp.prototype.css = function(text) { |
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var ar = text.replace(/\s{1,}/g,' ') |
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.replace(/\{/g,"{~::~") |
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.replace(/\}/g,"~::~}~::~") |
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.replace(/\;/g,";~::~") |
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.replace(/\/\*/g,"~::~/*") |
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.replace(/\*\//g,"*/~::~") |
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.replace(/~::~\s{0,}~::~/g,"~::~") |
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.split('~::~'), |
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len = ar.length, |
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deep = 0, |
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str = '', |
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ix = 0; |
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for(ix=0;ix<len;ix++) { |
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if( /\{/.exec(ar[ix])) { |
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str += this.shift[deep++]+ar[ix]; |
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} else |
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if( /\}/.exec(ar[ix])) { |
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str += this.shift[--deep]+ar[ix]; |
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} else |
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if( /\*\\/.exec(ar[ix])) { |
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str += this.shift[deep]+ar[ix]; |
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} |
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else { |
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str += this.shift[deep]+ar[ix]; |
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} |
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} |
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return str.replace(/^\n{1,}/,''); |
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} |
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// ----------------------- SQL section ---------------------------------------------------- |
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function isSubquery(str, parenthesisLevel) { |
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return parenthesisLevel - (str.replace(/\(/g,'').length - str.replace(/\)/g,'').length ) |
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} |
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function split_sql(str, tab) { |
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return str.replace(/\s{1,}/g," ") |
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.replace(/ AND /ig,"~::~"+tab+tab+"AND ") |
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.replace(/ BETWEEN /ig,"~::~"+tab+"BETWEEN ") |
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.replace(/ CASE /ig,"~::~"+tab+"CASE ") |
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.replace(/ ELSE /ig,"~::~"+tab+"ELSE ") |
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.replace(/ END /ig,"~::~"+tab+"END ") |
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.replace(/ FROM /ig,"~::~FROM ") |
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.replace(/ GROUP\s{1,}BY/ig,"~::~GROUP BY ") |
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.replace(/ HAVING /ig,"~::~HAVING ") |
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//.replace(/ IN /ig,"~::~"+tab+"IN ") |
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.replace(/ IN /ig," IN ") |
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.replace(/ JOIN /ig,"~::~JOIN ") |
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.replace(/ CROSS~::~{1,}JOIN /ig,"~::~CROSS JOIN ") |
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.replace(/ INNER~::~{1,}JOIN /ig,"~::~INNER JOIN ") |
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.replace(/ LEFT~::~{1,}JOIN /ig,"~::~LEFT JOIN ") |
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.replace(/ RIGHT~::~{1,}JOIN /ig,"~::~RIGHT JOIN ") |
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.replace(/ ON /ig,"~::~"+tab+"ON ") |
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.replace(/ OR /ig,"~::~"+tab+tab+"OR ") |
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.replace(/ ORDER\s{1,}BY/ig,"~::~ORDER BY ") |
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.replace(/ OVER /ig,"~::~"+tab+"OVER ") |
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.replace(/\(\s{0,}SELECT /ig,"~::~(SELECT ") |
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.replace(/\)\s{0,}SELECT /ig,")~::~SELECT ") |
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.replace(/ THEN /ig," THEN~::~"+tab+"") |
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.replace(/ UNION /ig,"~::~UNION~::~") |
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.replace(/ USING /ig,"~::~USING ") |
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.replace(/ WHEN /ig,"~::~"+tab+"WHEN ") |
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.replace(/ WHERE /ig,"~::~WHERE ") |
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.replace(/ WITH /ig,"~::~WITH ") |
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//.replace(/\,\s{0,}\(/ig,",~::~( ") |
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//.replace(/\,/ig,",~::~"+tab+tab+"") |
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.replace(/ ALL /ig," ALL ") |
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.replace(/ AS /ig," AS ") |
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.replace(/ ASC /ig," ASC ") |
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.replace(/ DESC /ig," DESC ") |
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.replace(/ DISTINCT /ig," DISTINCT ") |
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.replace(/ EXISTS /ig," EXISTS ") |
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.replace(/ NOT /ig," NOT ") |
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.replace(/ NULL /ig," NULL ") |
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.replace(/ LIKE /ig," LIKE ") |
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.replace(/\s{0,}SELECT /ig,"SELECT ") |
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.replace(/~::~{1,}/g,"~::~") |
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.split('~::~'); |
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} |
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pp.prototype.sql = function(text) { |
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var ar_by_quote = text.replace(/\s{1,}/g," ") |
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.replace(/\'/ig,"~::~\'") |
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.split('~::~'), |
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len = ar_by_quote.length, |
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ar = [], |
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deep = 0, |
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tab = this.step,//+this.step, |
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inComment = true, |
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inQuote = false, |
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parenthesisLevel = 0, |
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str = '', |
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ix = 0; |
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for(ix=0;ix<len;ix++) { |
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if(ix%2) { |
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ar = ar.concat(ar_by_quote[ix]); |
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} else { |
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ar = ar.concat(split_sql(ar_by_quote[ix], tab) ); |
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} |
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} |
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len = ar.length; |
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for(ix=0;ix<len;ix++) { |
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parenthesisLevel = isSubquery(ar[ix], parenthesisLevel); |
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if( /\s{0,}\s{0,}SELECT\s{0,}/.exec(ar[ix])) { |
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ar[ix] = ar[ix].replace(/\,/g,",\n"+tab+tab+"") |
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} |
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if( /\s{0,}\(\s{0,}SELECT\s{0,}/.exec(ar[ix])) { |
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deep++; |
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str += this.shift[deep]+ar[ix]; |
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} else |
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if( /\'/.exec(ar[ix]) ) { |
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if(parenthesisLevel<1 && deep) { |
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deep--; |
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} |
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str += ar[ix]; |
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} |
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else { |
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str += this.shift[deep]+ar[ix]; |
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if(parenthesisLevel<1 && deep) { |
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deep--; |
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} |
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} |
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} |
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str = str.replace(/^\n{1,}/,'').replace(/\n{1,}/g,"\n"); |
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return str; |
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} |
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// ----------------------- min section ---------------------------------------------------- |
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pp.prototype.xmlmin = function(text, preserveComments) { |
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var str = preserveComments ? text |
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: text.replace(/\<![ \r\n\t]*(--([^\-]|[\r\n]|-[^\-])*--[ \r\n\t]*)\>/g,""); |
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return str.replace(/>\s{0,}</g,"><"); |
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} |
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pp.prototype.jsonmin = function(text) { |
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return text.replace(/\s{0,}\{\s{0,}/g,"{") |
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.replace(/\s{0,}\[$/g,"[") |
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.replace(/\[\s{0,}/g,"[") |
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.replace(/:\s{0,}\[/g,':[') |
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.replace(/\s{0,}\}\s{0,}/g,"}") |
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.replace(/\s{0,}\]\s{0,}/g,"]") |
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.replace(/\"\s{0,}\,/g,'",') |
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.replace(/\,\s{0,}\"/g,',"') |
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.replace(/\"\s{0,}:/g,'":') |
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.replace(/:\s{0,}\"/g,':"') |
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.replace(/:\s{0,}\[/g,':[') |
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.replace(/\,\s{0,}\[/g,',[') |
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.replace(/\,\s{2,}/g,', ') |
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.replace(/\]\s{0,},\s{0,}\[/g,'],['); |
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} |
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pp.prototype.cssmin = function(text, preserveComments) { |
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var str = preserveComments ? text |
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: text.replace(/\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\//g,"") ; |
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return str.replace(/\s{1,}/g,' ') |
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.replace(/\{\s{1,}/g,"{") |
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.replace(/\}\s{1,}/g,"}") |
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.replace(/\;\s{1,}/g,";") |
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.replace(/\/\*\s{1,}/g,"/*") |
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.replace(/\*\/\s{1,}/g,"*/"); |
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} |
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pp.prototype.sqlmin = function(text) { |
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return text.replace(/\s{1,}/g," ").replace(/\s{1,}\(/,"(").replace(/\s{1,}\)/,")"); |
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} |
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// -------------------------------------------------------------------------------------------- |
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exports.pd= new pp; |
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