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Merge pull request #479 from jtangelder/update-sprintf
Update sprintf and vsprintf to make use of the sprintf-js package.
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@@ -60,5 +60,8 @@ | |
"s": true | ||
} | ||
}, | ||
"dependencies": {} | ||
"dependencies": { | ||
"sprintf-js": "^1.0.3", | ||
"util-deprecate": "^1.0.2" | ||
} | ||
} |
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@@ -1,124 +1,4 @@ | ||
// sprintf() for JavaScript 0.7-beta1 | ||
// http://www.diveintojavascript.com/projects/javascript-sprintf | ||
// | ||
// Copyright (c) Alexandru Marasteanu <alexaholic [at) gmail (dot] com> | ||
// All rights reserved. | ||
var strRepeat = require('./helper/strRepeat'); | ||
var toString = Object.prototype.toString; | ||
var sprintf = (function() { | ||
function get_type(variable) { | ||
return toString.call(variable).slice(8, -1).toLowerCase(); | ||
} | ||
var deprecate = require('util-deprecate'); | ||
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var str_repeat = strRepeat; | ||
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var str_format = function() { | ||
if (!str_format.cache.hasOwnProperty(arguments[0])) { | ||
str_format.cache[arguments[0]] = str_format.parse(arguments[0]); | ||
} | ||
return str_format.format.call(null, str_format.cache[arguments[0]], arguments); | ||
}; | ||
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str_format.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; | ||
for (i = 0; i < tree_length; i++) { | ||
node_type = get_type(parse_tree[i]); | ||
if (node_type === 'string') { | ||
output.push(parse_tree[i]); | ||
} | ||
else if (node_type === 'array') { | ||
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++]; | ||
} | ||
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if (/[^s]/.test(match[8]) && (get_type(arg) != 'number')) { | ||
throw new Error(sprintf('[_.sprintf] expecting number but found %s', get_type(arg))); | ||
} | ||
switch (match[8]) { | ||
case 'b': arg = arg.toString(2); break; | ||
case 'c': arg = String.fromCharCode(arg); break; | ||
case 'd': arg = parseInt(arg, 10); 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 'o': arg = arg.toString(8); break; | ||
case 's': arg = ((arg = String(arg)) && match[7] ? arg.substring(0, match[7]) : arg); break; | ||
case 'u': arg = Math.abs(arg); break; | ||
case 'x': arg = arg.toString(16); break; | ||
case 'X': arg = arg.toString(16).toUpperCase(); break; | ||
} | ||
arg = (/[def]/.test(match[8]) && match[3] && arg >= 0 ? '+'+ arg : arg); | ||
pad_character = match[4] ? match[4] == '0' ? '0' : match[4].charAt(1) : ' '; | ||
pad_length = match[6] - String(arg).length; | ||
pad = match[6] ? str_repeat(pad_character, pad_length) : ''; | ||
output.push(match[5] ? arg + pad : pad + arg); | ||
} | ||
} | ||
return output.join(''); | ||
}; | ||
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str_format.cache = {}; | ||
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str_format.parse = function(fmt) { | ||
var _fmt = fmt, match = [], parse_tree = [], arg_names = 0; | ||
while (_fmt) { | ||
if ((match = /^[^\x25]+/.exec(_fmt)) !== null) { | ||
parse_tree.push(match[0]); | ||
} | ||
else if ((match = /^\x25{2}/.exec(_fmt)) !== null) { | ||
parse_tree.push('%'); | ||
} | ||
else if ((match = /^\x25(?:([1-9]\d*)\$|\(([^\)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-fosuxX])/.exec(_fmt)) !== null) { | ||
if (match[2]) { | ||
arg_names |= 1; | ||
var field_list = [], replacement_field = match[2], field_match = []; | ||
if ((field_match = /^([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) { | ||
field_list.push(field_match[1]); | ||
while ((replacement_field = replacement_field.substring(field_match[0].length)) !== '') { | ||
if ((field_match = /^\.([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) { | ||
field_list.push(field_match[1]); | ||
} | ||
else if ((field_match = /^\[(\d+)\]/.exec(replacement_field)) !== null) { | ||
field_list.push(field_match[1]); | ||
} | ||
else { | ||
throw new Error('[_.sprintf] huh?'); | ||
} | ||
} | ||
} | ||
else { | ||
throw new Error('[_.sprintf] huh?'); | ||
} | ||
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.push(match); | ||
} | ||
else { | ||
throw new Error('[_.sprintf] huh?'); | ||
} | ||
_fmt = _fmt.substring(match[0].length); | ||
} | ||
return parse_tree; | ||
}; | ||
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return str_format; | ||
})(); | ||
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module.exports = sprintf; | ||
module.exports = deprecate(require('sprintf-js').sprintf, | ||
'sprintf() will be removed in the next major release, use the sprintf-js package instead.'); |
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@@ -1,6 +1,4 @@ | ||
var sprintf = require('./sprintf'); | ||
var deprecate = require('util-deprecate'); | ||
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module.exports = function vsprintf(fmt, argv) { | ||
argv.unshift(fmt); | ||
return sprintf.apply(null, argv); | ||
}; | ||
module.exports = deprecate(require('sprintf-js').vsprintf, | ||
'vsprintf() will be removed in the next major release, use the sprintf-js package instead.'); |