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Copy pathtry-3.js
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184 lines (184 loc) · 7.89 KB
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mergeInto(LibraryManager.library, {
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-gijostTuvxX])/,
key: /^([a-z_][a-z_\d]*)/i,
key_access: /^\.([a-z_][a-z_\d]*)/i,
index_access: /^\[(\d+)\]/,
sign: /^[+-]/
},
print__deps: [
'sprintf_format',
'sprintf_parse'
],
print: function (key) {
return _sprintf_format(_sprintf_parse(key), arguments);
},
vsprintf: function (fmt, argv) {
return sprintf.apply(null, [fmt].concat(argv || []));
},
sprintf_format__deps: ['re'],
sprintf_format: function (parse_tree, argv) {
var cursor = 1, tree_length = parse_tree.length, arg, output = '', i, k, ph, pad, pad_character, pad_length, is_positive, sign;
for (i = 0; i < tree_length; i++) {
if (typeof parse_tree[i] === 'string') {
output += parse_tree[i];
} else if (typeof parse_tree[i] === 'object') {
ph = parse_tree[i];
if (ph.keys) {
arg = argv[cursor];
for (k = 0; k < ph.keys.length; k++) {
if (arg == undefined) {
throw new Error(sprintf('[sprintf] Cannot access property "%s" of undefined value "%s"', ph.keys[k], ph.keys[k - 1]));
}
arg = arg[ph.keys[k]];
}
} else if (ph.param_no) {
arg = argv[ph.param_no];
} else {
arg = argv[cursor++];
}
if (_re.not_type.test(ph.type) && _re.not_primitive.test(ph.type) && arg instanceof Function) {
arg = arg();
}
if (_re.numeric_arg.test(ph.type) && (typeof arg !== 'number' && isNaN(arg))) {
throw new TypeError(sprintf('[sprintf] expecting number but found %T', arg));
}
if (_re.number.test(ph.type)) {
is_positive = arg >= 0;
}
switch (ph.type) {
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, ph.width ? parseInt(ph.width) : 0);
break;
case 'e':
arg = ph.precision ? parseFloat(arg).toExponential(ph.precision) : parseFloat(arg).toExponential();
break;
case 'f':
arg = ph.precision ? parseFloat(arg).toFixed(ph.precision) : parseFloat(arg);
break;
case 'g':
arg = ph.precision ? String(Number(arg.toPrecision(ph.precision))) : parseFloat(arg);
break;
case 'o':
arg = (parseInt(arg, 10) >>> 0).toString(8);
break;
case 's':
arg = String(arg);
arg = ph.precision ? arg.substring(0, ph.precision) : arg;
break;
case 't':
arg = String(!!arg);
arg = ph.precision ? arg.substring(0, ph.precision) : arg;
break;
case 'T':
arg = Object.prototype.toString.call(arg).slice(8, -1).toLowerCase();
arg = ph.precision ? arg.substring(0, ph.precision) : arg;
break;
case 'u':
arg = parseInt(arg, 10) >>> 0;
break;
case 'v':
arg = arg.valueOf();
arg = ph.precision ? arg.substring(0, ph.precision) : arg;
break;
case 'x':
arg = (parseInt(arg, 10) >>> 0).toString(16);
break;
case 'X':
arg = (parseInt(arg, 10) >>> 0).toString(16).toUpperCase();
break;
}
if (_re.json.test(ph.type)) {
output += arg;
} else {
if (_re.number.test(ph.type) && (!is_positive || ph.sign)) {
sign = is_positive ? '+' : '-';
arg = arg.toString().replace(_re.sign, '');
} else {
sign = '';
}
pad_character = ph.pad_char ? ph.pad_char === '0' ? '0' : ph.pad_char.charAt(1) : ' ';
pad_length = ph.width - (sign + arg).length;
pad = ph.width ? pad_length > 0 ? pad_character.repeat(pad_length) : '' : '';
output += ph.align ? sign + arg + pad : pad_character === '0' ? sign + pad + arg : pad + sign + arg;
}
}
}
return output;
},
sprintf_parse__deps: ['re'],
sprintf_parse: function (fmt) {
var sprintf_cache = Object.create(null);
if (sprintf_cache[fmt]) {
return sprintf_cache[fmt];
}
var _fmt = fmt, match, parse_tree = [], arg_names = 0;
while (_fmt) {
if ((match = _re.text.exec(_fmt)) !== null) {
parse_tree.push(match[0]);
} else if ((match = _re.modulo.exec(_fmt)) !== null) {
parse_tree.push('%');
} 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.push(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.push(field_match[1]);
} else if ((field_match = _re.index_access.exec(replacement_field)) !== null) {
field_list.push(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.push({
placeholder: match[0],
param_no: match[1],
keys: match[2],
sign: match[3],
pad_char: match[4],
align: match[5],
width: match[6],
precision: match[7],
type: match[8]
});
} else {
throw new SyntaxError('[sprintf] unexpected placeholder');
}
_fmt = _fmt.substring(match[0].length);
}
return sprintf_cache[fmt] = parse_tree;
}
});