Created
November 12, 2011 02:39
-
-
Save aaronmccall/1359942 to your computer and use it in GitHub Desktop.
One approach to reducing data over the wire...
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Zippy Test</title> | |
| <script type="text/javascript" src="zippy.js"></script> | |
| <script type="text/javascript"> | |
| console.profile(); | |
| var kv_str = 'foo,bar,baz|1,2,3,4,5,6,7,8,9', | |
| zippy_list = string_to_zippy(kv_str, true), | |
| zippy_json = JSON.stringify(zippy_list); | |
| console.group('"%s" is %s bytes', kv_str, kv_str.length); | |
| console.log('final list of dicts: %o', zippy_list); | |
| console.log('"%s" is %s bytes', zippy_json, zippy_json.length); | |
| console.groupEnd(); | |
| console.profileEnd(); | |
| </script> | |
| </head> | |
| <body></body> | |
| </html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /** | |
| * @param {Array} keys | |
| * @param {Array} vals | |
| * @param {Boolean} convert_numbers | |
| */ | |
| function zippy(keys, vals, convert_numbers) { | |
| var i = 0, l = keys.length, o, obj, list = []; | |
| while (o = vals.slice(i,i+l)) { | |
| if (!o.length) break; | |
| obj = {}; | |
| o.forEach(function(val, index){ | |
| if (!convert_numbers) { | |
| obj[keys[index]] = val; | |
| } else if (val.replace(/[^\d]+/g, '') === val) { | |
| obj[keys[index]] = parseInt(val); | |
| } else if (val.replace(/[^\d\.]+/g, '') === val) { | |
| obj[keys[index]] = parseFloat(val); | |
| } else { | |
| obj[keys[index]] = val; | |
| } | |
| }); | |
| list.push(obj); | |
| i += l; | |
| } | |
| return list; | |
| } | |
| function string_to_zippy(str, convert_numbers, kvsep, isep) { | |
| var key_value_separator = kvsep||'|', | |
| inner_separator = isep||',', | |
| kv_separated = str.split(key_value_separator), | |
| keys = kv_separated.shift().split(inner_separator), | |
| values = kv_separated.pop().split(inner_separator); | |
| return zippy(keys, values, convert_numbers); | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment