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/**
* Copyright (c) 2007-2016, Alexandru Marasteanu <hello [at) alexei (dot] ro>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of this software nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/* eslint-disable */
/* globals window, exports, define */
(function(window) {
'use strict'
var re = {
not_string: /[^s]/,
not_bool: /[^t]/,
not_type: /[^T]/,
not_primitive: /[^v]/,
number: /[diefg]/,
numeric_arg: /bcdiefguxX/,
json: /[j]/,
not_json: /[^j]/,
text: /^[^\x25]+/,
modulo: /^\x25{2}/,
placeholder: /^\x25(?:([1-9]\d*)\$|\(([^\)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-gijosStTuvxX])/,
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 = typeof parse_tree[i]
// The items of parse tree are either strings or results of a match() call.
if (node_type === 'string') {
// this is not a placeholder, this is just a string.
output[output.length] = parse_tree[i]
}
else {
// this is a placeholder, need to identify its type, options and replace
// it with the appropriate argument.
match = parse_tree[i] // convenience purposes only
if (match[2]) { // keyword argument
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]) { // positional argument (explicit)
arg = argv[match[1]]
}
else { // positional argument (implicit)
arg = argv[cursor++]
}
// The most commonly used placeholder in DevTools is the string (%S or %s).
// We check it first to avoid unnecessary verifications.
let hasPadding = match[6];
let patternType = match[8];
if (!hasPadding && (patternType === "S" || patternType === "s")) {
if (typeof arg === "function") {
arg = arg();
}
if (typeof arg !== "string") {
arg = String(arg);
}
output[output.length] = match[7] ? arg.substring(0, match[7]) : arg;
continue;
}
if (re.not_type.test(match[8]) && re.not_primitive.test(match[8]) && typeof arg == 'function') {
arg = arg()
}
if (re.numeric_arg.test(match[8]) && (typeof arg != 'number' && isNaN(arg))) {
throw new TypeError(sprintf("[sprintf] expecting number but found %s", typeof arg))
}
if (re.number.test(match[8])) {
is_positive = arg >= 0
}
switch (match[8]) {
case 'b':
arg = parseInt(arg, 10).toString(2)
break
case 'c':
arg = String.fromCharCode(parseInt(arg, 10))
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] ? parseFloat(arg).toExponential(match[7]) : parseFloat(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':
case 'S':
arg = String(arg)
arg = (match[7] ? arg.substring(0, match[7]) : arg)
break
case 't':
arg = String(!!arg)
arg = (match[7] ? arg.substring(0, match[7]) : arg)
break
case 'T':
arg = Object.prototype.toString.call(arg).slice(8, -1).toLowerCase()
arg = (match[7] ? arg.substring(0, match[7]) : arg)
break
case 'u':
arg = parseInt(arg, 10) >>> 0
break
case 'v':
arg = arg.valueOf()
arg = (match[7] ? arg.substring(0, match[7]) : arg)
break
case 'x':
arg = parseInt(arg, 10).toString(16)
break
case 'X':
arg = parseInt(arg, 10).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)
}
/**
* helpers
*/
var preformattedPadding = {
'0': ['', '0', '00', '000', '0000', '00000', '000000', '0000000'],
' ': ['', ' ', ' ', ' ', ' ', ' ', ' ', ' '],
'_': ['', '_', '__', '___', '____', '_____', '______', '_______'],
}
function str_repeat(input, multiplier) {
if (multiplier >= 0 && multiplier <= 7 && preformattedPadding[input]) {
return preformattedPadding[input][multiplier]
}
return Array(multiplier + 1).join(input)
}
/**
* export to either browser or node.js
*/
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);