From 63b0fc6269b38edf7234b9f151b80d81f614c0a3 Mon Sep 17 00:00:00 2001 From: Filipp Lepalaan Date: Tue, 4 Aug 2015 10:11:24 +0300 Subject: Initial commit First public commit --- static/js/sprintf-0.7-beta1.js | 183 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 183 insertions(+) create mode 100755 static/js/sprintf-0.7-beta1.js (limited to 'static/js/sprintf-0.7-beta1.js') diff --git a/static/js/sprintf-0.7-beta1.js b/static/js/sprintf-0.7-beta1.js new file mode 100755 index 0000000..0e8d02c --- /dev/null +++ b/static/js/sprintf-0.7-beta1.js @@ -0,0 +1,183 @@ +/** +sprintf() for JavaScript 0.7-beta1 +http://www.diveintojavascript.com/projects/javascript-sprintf + +Copyright (c) Alexandru Marasteanu +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 sprintf() for JavaScript 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 Alexandru Marasteanu 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. + + +Changelog: +2010.09.06 - 0.7-beta1 + - features: vsprintf, support for named placeholders + - enhancements: format cache, reduced global namespace pollution + +2010.05.22 - 0.6: + - reverted to 0.4 and fixed the bug regarding the sign of the number 0 + Note: + Thanks to Raphael Pigulla (http://www.n3rd.org/) + who warned me about a bug in 0.5, I discovered that the last update was + a regress. I appologize for that. + +2010.05.09 - 0.5: + - bug fix: 0 is now preceeded with a + sign + - bug fix: the sign was not at the right position on padded results (Kamal Abdali) + - switched from GPL to BSD license + +2007.10.21 - 0.4: + - unit test and patch (David Baird) + +2007.09.17 - 0.3: + - bug fix: no longer throws exception on empty paramenters (Hans Pufal) + +2007.09.11 - 0.2: + - feature: added argument swapping + +2007.04.03 - 0.1: + - initial release +**/ + +var sprintf = (function() { + function get_type(variable) { + return Object.prototype.toString.call(variable).slice(8, -1).toLowerCase(); + } + function str_repeat(input, multiplier) { + for (var output = []; multiplier > 0; output[--multiplier] = input) {/* do nothing */} + return output.join(''); + } + + 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); + }; + + 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(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++]; + } + + if (/[^s]/.test(match[8]) && (get_type(arg) != 'number')) { + throw(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(''); + }; + + str_format.cache = {}; + + 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('[sprintf] huh?'); + } + } + } + else { + throw('[sprintf] huh?'); + } + match[2] = field_list; + } + else { + arg_names |= 2; + } + if (arg_names === 3) { + throw('[sprintf] mixing positional and named placeholders is not (yet) supported'); + } + parse_tree.push(match); + } + else { + throw('[sprintf] huh?'); + } + _fmt = _fmt.substring(match[0].length); + } + return parse_tree; + }; + + return str_format; +})(); + +var vsprintf = function(fmt, argv) { + argv.unshift(fmt); + return sprintf.apply(null, argv); +}; -- cgit v1.2.3