| # Copyright 2012, 2013 The Apache Software Foundation |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http:#www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| ## t5/core/utils |
| # |
| # A few handy functions. |
| define ["underscore"], |
| |
| (_) -> |
| |
| trim = (input) -> |
| if String.prototype.trim |
| input.trim() |
| else |
| input.replace(/^\s+/, '').replace(/\s+$/, '') |
| |
| # Extends a URL, adding parameters and values from the params object. The values must already |
| # be URI encoded. |
| extendURL = (url, params) -> |
| |
| sep = if url.indexOf("?") >= 0 then "&" else "?" |
| |
| for name, value of params |
| url = url + sep + name + "=" + value |
| sep = "&" |
| |
| return url |
| |
| exports = |
| trim: trim |
| extendURL: extendURL |
| |
| startsWith: (string, pattern) -> (string.indexOf pattern) is 0 |
| # Trims leading and trailing whitespace from a string. Delegates to String.prototype.trim if present. |
| # Determines if the input is a blank string, or null, or an empty array. |
| isBlank: (input) -> |
| |
| return true if input is null |
| |
| if _.isArray input |
| return input.length is 0 |
| |
| return false if typeof input is "boolean" |
| |
| return (exports.trim input).length is 0 |
| |
| # Splits the input string into words separated by whitespace |
| split: (str) -> _(str.split " ").reject((s) -> s is "") |
