node-sprintf-js 1.0.3-2 / usr / lib / nodejs / sprintf-js / src / sprintf.min.js

(function(window){var re={not_string:/[^s]/,number:/[diefg]/,json:/[j]/,not_json:/[^j]/,text:/^[^\x25]+/,modulo:/^\x25{2}/,placeholder:/^\x25(?:([1-9]\d*)\$|\(([^\)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-gijosuxX])/,key:/^([a-z_][a-z_\d]*)/i,key_access:/^\.([a-z_][a-z_\d]*)/i,index_access:/^\[(\d+)\]/,sign:/^[\+\-]/};function sprintf(){var key=arguments[0],cache=sprintf.cache;if(!(cache[key]&&cache.hasOwnProperty(key))){cache[key]=sprintf.parse(key)}return sprintf.format.call(null,cache[key],arguments)}sprintf.format=function(parse_tree,argv){var cursor=1,tree_length=parse_tree.length,node_type="",arg,output=[],i,k,match,pad,pad_character,pad_length,is_positive=true,sign="";for(i=0;i<tree_length;i++){node_type=get_type(parse_tree[i]);if(node_type==="string"){output[output.length]=parse_tree[i]}else if(node_type==="array"){match=parse_tree[i];if(match[2]){arg=argv[cursor];for(k=0;k<match[2].length;k++){if(!arg.hasOwnProperty(match[2][k])){throw new Error(sprintf("[sprintf] property '%s' does not exist",match[2][k]))}arg=arg[match[2][k]]}}else if(match[1]){arg=argv[match[1]]}else{arg=argv[cursor++]}if(get_type(arg)=="function"){arg=arg()}if(re.not_string.test(match[8])&&re.not_json.test(match[8])&&(get_type(arg)!="number"&&isNaN(arg))){throw new TypeError(sprintf("[sprintf] expecting number but found %s",get_type(arg)))}if(re.number.test(match[8])){is_positive=arg>=0}switch(match[8]){case"b":arg=arg.toString(2);break;case"c":arg=String.fromCharCode(arg);break;case"d":case"i":arg=parseInt(arg,10);break;case"j":arg=JSON.stringify(arg,null,match[6]?parseInt(match[6]):0);break;case"e":arg=match[7]?arg.toExponential(match[7]):arg.toExponential();break;case"f":arg=match[7]?parseFloat(arg).toFixed(match[7]):parseFloat(arg);break;case"g":arg=match[7]?parseFloat(arg).toPrecision(match[7]):parseFloat(arg);break;case"o":arg=arg.toString(8);break;case"s":arg=(arg=String(arg))&&match[7]?arg.substring(0,match[7]):arg;break;case"u":arg=arg>>>0;break;case"x":arg=arg.toString(16);break;case"X":arg=arg.toString(16).toUpperCase();break}if(re.json.test(match[8])){output[output.length]=arg}else{if(re.number.test(match[8])&&(!is_positive||match[3])){sign=is_positive?"+":"-";arg=arg.toString().replace(re.sign,"")}else{sign=""}pad_character=match[4]?match[4]==="0"?"0":match[4].charAt(1):" ";pad_length=match[6]-(sign+arg).length;pad=match[6]?pad_length>0?str_repeat(pad_character,pad_length):"":"";output[output.length]=match[5]?sign+arg+pad:pad_character==="0"?sign+pad+arg:pad+sign+arg}}}return output.join("")};sprintf.cache={};sprintf.parse=function(fmt){var _fmt=fmt,match=[],parse_tree=[],arg_names=0;while(_fmt){if((match=re.text.exec(_fmt))!==null){parse_tree[parse_tree.length]=match[0]}else if((match=re.modulo.exec(_fmt))!==null){parse_tree[parse_tree.length]="%"}else if((match=re.placeholder.exec(_fmt))!==null){if(match[2]){arg_names|=1;var field_list=[],replacement_field=match[2],field_match=[];if((field_match=re.key.exec(replacement_field))!==null){field_list[field_list.length]=field_match[1];while((replacement_field=replacement_field.substring(field_match[0].length))!==""){if((field_match=re.key_access.exec(replacement_field))!==null){field_list[field_list.length]=field_match[1]}else if((field_match=re.index_access.exec(replacement_field))!==null){field_list[field_list.length]=field_match[1]}else{throw new SyntaxError("[sprintf] failed to parse named argument key")}}}else{throw new SyntaxError("[sprintf] failed to parse named argument key")}match[2]=field_list}else{arg_names|=2}if(arg_names===3){throw new Error("[sprintf] mixing positional and named placeholders is not (yet) supported")}parse_tree[parse_tree.length]=match}else{throw new SyntaxError("[sprintf] unexpected placeholder")}_fmt=_fmt.substring(match[0].length)}return parse_tree};var vsprintf=function(fmt,argv,_argv){_argv=(argv||[]).slice(0);_argv.splice(0,0,fmt);return sprintf.apply(null,_argv)};function get_type(variable){return Object.prototype.toString.call(variable).slice(8,-1).toLowerCase()}function str_repeat(input,multiplier){return Array(multiplier+1).join(input)}if(typeof exports!=="undefined"){exports.sprintf=sprintf;exports.vsprintf=vsprintf}else{window.sprintf=sprintf;window.vsprintf=vsprintf;if(typeof define==="function"&&define.amd){define(function(){return{sprintf:sprintf,vsprintf:vsprintf}})}}})(typeof window==="undefined"?this:window);