16 Commits

Author SHA1 Message Date
1fa6623aa2 Merge branch 'release-0.2.0' 2010-07-29 18:36:37 +03:00
333053387f Version bump to 0.2.0 2010-07-29 18:36:18 +03:00
d2208c4f5f updated readme 2010-07-29 18:34:25 +03:00
629c9f1cf9 updated gitignore 2010-07-29 18:34:16 +03:00
c7e46c25d1 Added #until's sister method, #from. 2010-07-29 14:26:31 +03:00
3e6b637f75 Removed docs from git repo. 2010-07-29 14:25:55 +03:00
20e1957add Define dynamic iteration methods in a faster and
cleaner way.
2010-07-29 14:02:50 +03:00
eb6ee05a3e Reordered iteration methods. 2010-07-29 14:01:12 +03:00
d052a720e4 #until does not need to add itself to the method
chain.
2010-07-29 13:49:17 +03:00
ef5e1fb327 Some method naming/calling consistency. 2010-07-29 13:47:48 +03:00
ce715604a4 Removed #beginning_of method as it's identical to
#round, which has a #beginning_of alias already.
*slaps self in face*
2010-07-29 13:47:14 +03:00
820057f842 Updated docs. 2010-07-29 04:27:37 +03:00
a1c69ea52c Updated .gitignore file. 2010-07-29 04:27:09 +03:00
438cdd5b68 Interation methods #each, #map_each and more are
implemented and working. Also restructured files
again.
2010-07-29 04:25:42 +03:00
d6b65dbc01 restructured files a bit 2010-07-29 03:34:31 +03:00
88ece14760 updated readme 2010-07-27 20:16:55 +03:00
24 changed files with 240 additions and 3660 deletions

2
.gitignore vendored
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## PROJECT::SPECIFIC ## PROJECT::SPECIFIC
.yardoc/* .yardoc/*
*.gemspec
doc/*

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@@ -10,20 +10,54 @@ This gem extends the abilities of Ruby's built-in Time class by building on top
## Basic Usage ## Basic Usage
require "time/ext" ### Pure Ruby
Time.now.round(:week)
require "time/ext" # or "time_ext"
Time.utc(2010, 6, 19).round(:month) #=> Thu Jul 01 00:00:00 UTC 2010
#=> Beginning of this week, or next week depending on which date is closest #=> Beginning of this week, or next week depending on which date is closest
Time.now.each_hour.until(6.hours.from_now) { |t| puts t.to_s }
#=> Prints the time at one hour interals from now till 6 hours from now
### Rails 2.x
config.gem "time_ext"
### Rails 3.x
gem "time_ext"
## Notable Methods ## Documentation
The `round`, `floor`, and `ceil` methods were the main reason I created this gem. Each of them takes a unit argument, which can be one of the following: `:sec`, `:min`, `:hour`, `:day`, `:week`, `:month`, `:quarter`, and `:year`. Complete class and method documentation is available [here][docs] on [rdoc.info][].
For more, please refer to the source code or the spec tests for now. ### Calculations
ActiveSupport includes some handy `#beginning_of_*` and `#end_of_*` methods among others for year, month, week, and day. TimeExt adds the same methods for quarter (3 months), hour, minute, and second. Additionally it also adds a set of familiar math methods, `#floor`, `#ceil`, and `#round`. Each of them takes a unit argument (day, month, etc.), and goes about it's operation to that unit type.
### Iterations
You can easily iterate over specific units of time with the `#each`, `#beginning_of_each`, `#map_each`, and `#map_beginning_of_each` methods. Each method takes a unit input, just like the `#floor` method for example. But the iteration methods also have dynamic unit methods, like so:
time = Time.local(2010, 07, 10)
time.map_each(:hour).until(time + 6.hours) { |t| t.hour } #=> [1, 2, 3, 4, 5, 6]
time.map_each_hour.until(time + 6.hours) { |t| t.hour } #=> [1, 2, 3, 4, 5, 6]
The `#until` method defines when to stop the iteration. You can also use the `#from` method, which then iterates from the time passed into `#from` till the time of the object you're calling each on. If don't specify a end/start time, it'll assume you want all units within it's scope. Or in less gibberish, calling `#each_hour` will iterate every hour for a whole day, or 24 hours. If you're iterating by the minute, it'll stop after an hour.
Here's a couple of more examples:
time.map_each_hour.until(time + 6.hours) { |t| t.hour } #=> [1, 2, 3, 4, 5, 6]
time.until(time + 6.hours).map_each_hour { |t| t.hour } #=> [1, 2, 3, 4, 5, 6]
(time + 6.hours).map_each_hour.from(time) { |t| t.hour } #=> [1, 2, 3, 4, 5, 6]
(time + 6.hours).from(time).map_each_hour { |t| t.hour } #=> [1, 2, 3, 4, 5, 6]
I recommend you read the complete class [documentation][docs] for the Time object to see all the new methods available.
## To-Do ## To-Do
* Some cleaner code.
* Improve ReadMe file. * Improve ReadMe file.
* Improve documentation. * Improve documentation.
@@ -64,4 +98,6 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
[as]: http://as.rubyonrails.org/classes/ActiveSupport/CoreExtensions/Time/Calculations.html [as]: http://as.rubyonrails.org/classes/ActiveSupport/CoreExtensions/Time/Calculations.html
[docs]: http://rdoc.info/projects/jimeh/time_ext
[rdoc.info]: http://rdoc.info/

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0.1.0 0.2.0

File diff suppressed because it is too large Load Diff

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<a id="method_list_link" href="#">Method List</a>
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<h1 class="noborder title">Documentation by YARD 0.5.8</h1>
<h1 class="alphaindex">Alphabetic Index</h1>
<h2>File Listing</h2>
<ul id="files">
<li class="r1"><a href="index.html" title="README">README</a></li>
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<div id="footer">
Generated on Tue Jul 27 20:08:51 2010 by
<a href="http://yardoc.org" title="Yay! A Ruby Documentation Tool">yard</a>
0.5.8 (ruby-1.8.7).
</div>
</body>
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@@ -1,105 +0,0 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta name="Content-Type" content="text/html; charset=utf-8" />
<title>Documentation by YARD 0.5.8</title>
<link rel="stylesheet" href="css/style.css" type="text/css" media="screen" charset="utf-8" />
<link rel="stylesheet" href="css/common.css" type="text/css" media="screen" charset="utf-8" />
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relpath = '';
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<div id="header">
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<a href="_index.html" title="Index">Index</a> &raquo;
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<div class="noframes"><span class="title">(</span><a href="." target="_top">no frames</a><span class="title">)</span></div>
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<div id="search">
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</div>
<div class="clear"></div>
</div>
<iframe id="search_frame"></iframe>
<div id="content"><div id='filecontents'><h1 id='ruby_time_extensions'>Ruby Time Extensions</h1>
<p>This gem extends the abilities of Ruby&#8217;s built-in Time class by building on top of what <a href='http://as.rubyonrails.org/classes/ActiveSupport/CoreExtensions/Time/Calculations.html'>ActiveSupport</a> already adds. Hence I must also warn that using this gem will load all of ActiveSupport at this time.</p>
<h2 id='installation'>Installation</h2>
<pre class="code"><span class='gem identifier id'>gem</span> <span class='install identifier id'>install</span> <span class='time_ext identifier id'>time_ext</span>
</pre>
<h2 id='basic_usage'>Basic Usage</h2>
<pre class="code"><span class='require identifier id'>require</span> <span class='string val'>&quot;time/ext&quot;</span>
<span class='Time constant id'>Time</span><span class='dot token'>.</span><span class='now identifier id'>now</span><span class='dot token'>.</span><span class='round identifier id'>round</span><span class='lparen token'>(</span><span class='symbol val'>:week</span><span class='rparen token'>)</span>
<span class='comment val'>#=&gt; Beginning of this week, or next week depending on which date is closest</span>
</pre>
<h2 id='notable_methods'>Notable Methods</h2>
<p>The <code>round</code>, <code>floor</code>, and <code>ceil</code> methods were the main reason I created this gem. Each of them takes a unit argument, which can be one of the following: <code>:sec</code>, <code>:min</code>, <code>:hour</code>, <code>:day</code>, <code>:week</code>, <code>:month</code>, <code>:quarter</code>, and <code>:year</code>.</p>
<p>For more, please refer to the source code or the spec tests for now.</p>
<h2 id='todo'>To-Do</h2>
<ul>
<li>Improve ReadMe file.</li>
<li>Improve documentation.</li>
</ul>
<h2 id='note_on_patchespull_requests'>Note on Patches/Pull Requests</h2>
<ul>
<li>Fork the project.</li>
<li>Make your feature addition or bug fix.</li>
<li>Add tests for it. This is important so I don&#8217;t break it in a future version unintentionally.</li>
<li>Commit, do not mess with rakefile, version, or history. (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)</li>
<li>Send me a pull request. Bonus points for topic branches.</li>
</ul>
<h2 id='license_and_copyright'>License and Copyright</h2>
<p>Copyright (c) 2010 Jim Myhrberg.</p>
<p>Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the &#8220;Software&#8221;), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:</p>
<p>The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.</p>
<p>THE SOFTWARE IS PROVIDED &#8220;AS IS&#8221;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</p></div></div>
<div id="footer">
Generated on Tue Jul 27 20:08:51 2010 by
<a href="http://yardoc.org" title="Yay! A Ruby Documentation Tool">yard</a>
0.5.8 (ruby-1.8.7).
</div>
</body>
</html>

View File

@@ -1,38 +0,0 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta name="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" href="css/full_list.css" type="text/css" media="screen" charset="utf-8" />
<link rel="stylesheet" href="css/common.css" type="text/css" media="screen" charset="utf-8" />
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<a target="_self" href="class_list.html">Classes</a> |
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<div id="search">Search: <input type="text" /></div>
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View File

@@ -1,13 +0,0 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN"
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta name="Content-Type" content="text/html; charset=utf-8" />
<title>Documentation by YARD 0.5.8</title>
<link rel="stylesheet" href="css/style.css" type="text/css" media="screen" charset="utf-8" />
<link rel="stylesheet" href="css/common.css" type="text/css" media="screen" charset="utf-8" />
<script type="text/javascript" charset="utf-8">
relpath = '';
if (relpath != '') relpath += '/';
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<script type="text/javascript" charset="utf-8" src="js/jquery.js"></script>
<script type="text/javascript" charset="utf-8" src="js/app.js"></script>
</head>
<body>
<script type="text/javascript" charset="utf-8">
if (window.top.frames.main) document.body.className = 'frames';
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<div id="header">
<div id="menu">
<a href="_index.html" title="Index">Index</a> &raquo;
<span class="title">File: README</span>
<div class="noframes"><span class="title">(</span><a href="." target="_top">no frames</a><span class="title">)</span></div>
</div>
<div id="search">
<a id="class_list_link" href="#">Class List</a>
<a id="method_list_link" href="#">Method List</a>
<a id ="file_list_link" href="#">File List</a>
</div>
<div class="clear"></div>
</div>
<iframe id="search_frame"></iframe>
<div id="content"><div id='filecontents'><h1 id='ruby_time_extensions'>Ruby Time Extensions</h1>
<p>This gem extends the abilities of Ruby&#8217;s built-in Time class by building on top of what <a href='http://as.rubyonrails.org/classes/ActiveSupport/CoreExtensions/Time/Calculations.html'>ActiveSupport</a> already adds. Hence I must also warn that using this gem will load all of ActiveSupport at this time.</p>
<h2 id='installation'>Installation</h2>
<pre class="code"><span class='gem identifier id'>gem</span> <span class='install identifier id'>install</span> <span class='time_ext identifier id'>time_ext</span>
</pre>
<h2 id='basic_usage'>Basic Usage</h2>
<pre class="code"><span class='require identifier id'>require</span> <span class='string val'>&quot;time/ext&quot;</span>
<span class='Time constant id'>Time</span><span class='dot token'>.</span><span class='now identifier id'>now</span><span class='dot token'>.</span><span class='round identifier id'>round</span><span class='lparen token'>(</span><span class='symbol val'>:week</span><span class='rparen token'>)</span>
<span class='comment val'>#=&gt; Beginning of this week, or next week depending on which date is closest</span>
</pre>
<h2 id='notable_methods'>Notable Methods</h2>
<p>The <code>round</code>, <code>floor</code>, and <code>ceil</code> methods were the main reason I created this gem. Each of them takes a unit argument, which can be one of the following: <code>:sec</code>, <code>:min</code>, <code>:hour</code>, <code>:day</code>, <code>:week</code>, <code>:month</code>, <code>:quarter</code>, and <code>:year</code>.</p>
<p>For more, please refer to the source code or the spec tests for now.</p>
<h2 id='todo'>To-Do</h2>
<ul>
<li>Improve ReadMe file.</li>
<li>Improve documentation.</li>
</ul>
<h2 id='note_on_patchespull_requests'>Note on Patches/Pull Requests</h2>
<ul>
<li>Fork the project.</li>
<li>Make your feature addition or bug fix.</li>
<li>Add tests for it. This is important so I don&#8217;t break it in a future version unintentionally.</li>
<li>Commit, do not mess with rakefile, version, or history. (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)</li>
<li>Send me a pull request. Bonus points for topic branches.</li>
</ul>
<h2 id='license_and_copyright'>License and Copyright</h2>
<p>Copyright (c) 2010 Jim Myhrberg.</p>
<p>Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the &#8220;Software&#8221;), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:</p>
<p>The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.</p>
<p>THE SOFTWARE IS PROVIDED &#8220;AS IS&#8221;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</p></div></div>
<div id="footer">
Generated on Tue Jul 27 20:08:51 2010 by
<a href="http://yardoc.org" title="Yay! A Ruby Documentation Tool">yard</a>
0.5.8 (ruby-1.8.7).
</div>
</body>
</html>

View File

@@ -1,138 +0,0 @@
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19
doc/js/jquery.js vendored

File diff suppressed because one or more lines are too long

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@@ -1,291 +0,0 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<link rel="stylesheet" href="css/full_list.css" type="text/css" media="screen" charset="utf-8" />
<link rel="stylesheet" href="css/common.css" type="text/css" media="screen" charset="utf-8" />
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<a target="_self" href="class_list.html">Classes</a> |
<a target="_self" href="method_list.html">Methods</a> |
<a target="_self" href="file_list.html">Files</a>
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<ul id="full_list" class="methods">
<li class="r1 ">
<a href="Time.html#beginning_of_hour-instance_method" title="Time#beginning_of_hour (method)">#beginning_of_hour</a>
<small>Time</small>
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<a href="Time.html#beginning_of_minute-instance_method" title="Time#beginning_of_minute (method)">#beginning_of_minute</a>
<small>Time</small>
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<small>Time</small>
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<a href="Time.html#ceil-instance_method" title="Time#ceil (method)">#ceil</a>
<small>Time</small>
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<a href="Time.html#common_year_days_in_month-instance_method" title="Time#common_year_days_in_month (method)">#common_year_days_in_month</a>
<small>Time</small>
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<a href="Time.html#days_ago-instance_method" title="Time#days_ago (method)">#days_ago</a>
<small>Time</small>
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<a href="Time.html#days_into_week-instance_method" title="Time#days_into_week (method)">#days_into_week</a>
<small>Time</small>
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<a href="Time.html#days_since-instance_method" title="Time#days_since (method)">#days_since</a>
<small>Time</small>
</li>
<li class="r1 ">
<a href="Time.html#end_of_hour-instance_method" title="Time#end_of_hour (method)">#end_of_hour</a>
<small>Time</small>
</li>
<li class="r2 ">
<a href="Time.html#end_of_minute-instance_method" title="Time#end_of_minute (method)">#end_of_minute</a>
<small>Time</small>
</li>
<li class="r1 ">
<a href="Time.html#end_of_second-instance_method" title="Time#end_of_second (method)">#end_of_second</a>
<small>Time</small>
</li>
<li class="r2 ">
<a href="Time.html#floor-instance_method" title="Time#floor (method)">#floor</a>
<small>Time</small>
</li>
<li class="r1 ">
<a href="Time.html#hours_ago-instance_method" title="Time#hours_ago (method)">#hours_ago</a>
<small>Time</small>
</li>
<li class="r2 ">
<a href="Time.html#hours_since-instance_method" title="Time#hours_since (method)">#hours_since</a>
<small>Time</small>
</li>
<li class="r1 ">
<a href="Time.html#minutes_ago-instance_method" title="Time#minutes_ago (method)">#minutes_ago</a>
<small>Time</small>
</li>
<li class="r2 ">
<a href="Time.html#minutes_since-instance_method" title="Time#minutes_since (method)">#minutes_since</a>
<small>Time</small>
</li>
<li class="r1 ">
<a href="Time.html#next_day-instance_method" title="Time#next_day (method)">#next_day</a>
<small>Time</small>
</li>
<li class="r2 ">
<a href="Time.html#next_hour-instance_method" title="Time#next_hour (method)">#next_hour</a>
<small>Time</small>
</li>
<li class="r1 ">
<a href="Time.html#next_minute-instance_method" title="Time#next_minute (method)">#next_minute</a>
<small>Time</small>
</li>
<li class="r2 ">
<a href="Time.html#next_quarter-instance_method" title="Time#next_quarter (method)">#next_quarter</a>
<small>Time</small>
</li>
<li class="r1 ">
<a href="Time.html#next_second-instance_method" title="Time#next_second (method)">#next_second</a>
<small>Time</small>
</li>
<li class="r2 ">
<a href="Time.html#prev_day-instance_method" title="Time#prev_day (method)">#prev_day</a>
<small>Time</small>
</li>
<li class="r1 ">
<a href="Time.html#prev_hour-instance_method" title="Time#prev_hour (method)">#prev_hour</a>
<small>Time</small>
</li>
<li class="r2 ">
<a href="Time.html#prev_minute-instance_method" title="Time#prev_minute (method)">#prev_minute</a>
<small>Time</small>
</li>
<li class="r1 ">
<a href="Time.html#prev_quarter-instance_method" title="Time#prev_quarter (method)">#prev_quarter</a>
<small>Time</small>
</li>
<li class="r2 ">
<a href="Time.html#prev_second-instance_method" title="Time#prev_second (method)">#prev_second</a>
<small>Time</small>
</li>
<li class="r1 ">
<a href="Time.html#prev_week-instance_method" title="Time#prev_week (method)">#prev_week</a>
<small>Time</small>
</li>
<li class="r2 ">
<a href="Time.html#quarters_ago-instance_method" title="Time#quarters_ago (method)">#quarters_ago</a>
<small>Time</small>
</li>
<li class="r1 ">
<a href="Time.html#quarters_since-instance_method" title="Time#quarters_since (method)">#quarters_since</a>
<small>Time</small>
</li>
<li class="r2 ">
<a href="Time.html#round-instance_method" title="Time#round (method)">#round</a>
<small>Time</small>
</li>
<li class="r1 ">
<a href="Time.html#weeks_ago-instance_method" title="Time#weeks_ago (method)">#weeks_ago</a>
<small>Time</small>
</li>
<li class="r2 ">
<a href="Time.html#weeks_since-instance_method" title="Time#weeks_since (method)">#weeks_since</a>
<small>Time</small>
</li>
</ul>
</div>
</body>
</html>

View File

@@ -1,88 +0,0 @@
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<h2>Defined Under Namespace</h2>
<p class="children">
<strong class="classes">Classes:</strong> <a href="Time.html" title="Time (class)">Time</a>
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Generated on Tue Jul 27 20:08:52 2010 by
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View File

@@ -1,3 +1,13 @@
require 'rubygems' require 'rubygems'
require 'active_support' require 'active_support'
require 'time_ext/time' require 'time_ext/method_chain'
require 'time_ext/core_ext/time/calculations'
require 'time_ext/core_ext/time/iterations'
module TimeExt
module Base
TIME_EXT_UNITS = [:year, :month, :day, :hour, :min, :sec, :usec]
end
end

View File

@@ -32,15 +32,25 @@ class Time
end end
alias :beginning_of_closest :round alias :beginning_of_closest :round
# Returns a new Time representing the previoius unit specified (defaults to second).
def prev(unit = :sec)
send("prev_#{unit}")
end
# Returns a new Time representing the next unit specified (defaults to second).
def next(unit = :sec)
send("next_#{unit}")
end
# Short-hand for seconds_ago(1). # Short-hand for seconds_ago(1).
def prev_second def prev_second
ago(1) seconds_ago(1)
end end
alias :prev_sec :prev_second alias :prev_sec :prev_second
# Short-hand for seconds_since(1). # Short-hand for seconds_since(1).
def next_second def next_second
since(1) seconds_since(1)
end end
alias :next_sec :next_second alias :next_sec :next_second
@@ -149,6 +159,11 @@ class Time
since((quarters * 3).months) since((quarters * 3).months)
end end
# Returns a new Time representing the end of the unit specified (defaults to second).
def end_of(unit = :sec)
send("end_of_#{unit}")
end
# Returns a new Time representing the start of the second, XX:XX:XX.000000 (.000000000 in ruby1.9). # Returns a new Time representing the start of the second, XX:XX:XX.000000 (.000000000 in ruby1.9).
def beginning_of_second def beginning_of_second
change(:usec => 0) change(:usec => 0)

View File

@@ -0,0 +1,79 @@
class Time
include TimeExt::MethodChain
# Used by #each, #map_each and similar methods to iterate over ranges of time.
def iterate(unit, options = {}, &block)
options.reverse_merge!(:map_result => false, :beginning_of => false, :include_start => false)
if block_given?
units = [:year, :month, :day, :hour, :min, :sec, :usec]
parent_unit = units[units.index(unit)-1]
@until ||= (!parent_unit.nil?) ? self.send("#{parent_unit}s_since", 1) : self.send("#{unit}s_since", 1)
time = self.clone
direction = (self < @until) ? :f : :b
succ_method = (direction == :f) ? "next_#{unit}" : "prev_#{unit}"
time = time.beginning_of(unit) if options[:beginning_of]
time = time.send(succ_method) if !options[:include_start]
results = []
while (direction == :f && time <= @until) || (direction == :b && time >= @until)
options[:map_result] ? results << yield(time) : yield(time)
time = time.send(succ_method)
end
options[:map_result] ? results : self
else
add_to_chain(:iterate, unit, options)
self
end
end
# Used togeter with #each and other iteration methods to specify end of interation.
def until(time, &block)
time = time.to_time if time.is_a?(::Date)
@until = time
return call_chain(block) if block_given?
self
end
alias :till :until
# Used together with #each and other interation methods to specify start of iteration, and end will be current object.
def from(time, &block)
time = time.to_time if time.is_a?(::Date)
method, args = @method_chain.pop if block_given?
if !method.nil?
time.until(self).send(method, *args, &block)
else
time.until(self)
end
end
# Executes passed block for each "unit" of time specified, with a new time object for each interval passed to the block.
def each(unit, options = {}, &block)
iterate(unit, options.merge(:map_result => false), &block)
end
# Executes passed block for each "unit" of time specified, with a new time object set to the beginning of "unit" for each interval passed to the block.
def beginning_of_each(unit, options = {}, &block)
iterate(unit, options.merge(:map_result => false, :beginning_of => true), &block)
end
# Executes passed block for each "unit" of time specified, returning an array with the return values from the passed block.
def map_each(unit, options = {}, &block)
iterate(unit, options.merge(:map_result => true), &block)
end
# Executes passed block for each "unit" of time specified, returning an array with the return values from passed block. Additionally the time object passed into the block is set to the beginning of specified "unit".
def map_beginning_of_each(unit, options = {}, &block)
iterate(unit, options.merge(:map_result => true, :beginning_of => true), &block)
end
# Dynamically define convenience methods, like #each_hour instead of #each(:hour).
[:year, :month, :day, :hour, :min, :sec].each do |unit|
[:each, :beginning_of_each, :map_each, :map_beginning_of_each].each do |method|
define_method "#{method}_#{unit}" do |*args, &block|
send(method, unit, *args, &block)
end
class_eval { alias :"#{method}_minute" :"#{method}_min" } if unit == :min
class_eval { alias :"#{method}_second" :"#{method}_sec" } if unit == :sec
end
end
end

View File

@@ -0,0 +1,18 @@
module TimeExt
module MethodChain
def add_to_chain(method, *args, &block)
@method_chain ||= []
@method_chain << [method.to_sym, args, block]
end
def call_chain(custom_block = nil, &block)
method, args, iblock = @method_chain.pop
return nil if method.nil?
iblock = custom_block if !custom_block.nil?
method, args, iblock = yield(method, args, iblock) if block_given?
self.send(method, *args, &iblock)
end
end
end

View File

@@ -1,6 +1,6 @@
require File.expand_path(File.dirname(__FILE__) + '/spec_helper') require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
describe "TimeExt" do describe "Time Calculations" do
before(:each) do before(:each) do
@time = Time.local(2010, 8, 28, 15, 57, 17, 78430) @time = Time.local(2010, 8, 28, 15, 57, 17, 78430)

View File

@@ -0,0 +1,69 @@
require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
describe "Time Iterations" do
before(:each) do
@now = Time.now
end
it "should iterate over time objects with #each" do
times = []
result = @now.each(:hour) { |time| times << time }
times.should have(24).items
times.should == (1..24).map { |i| @now + i.hours }
result.should == @now
end
it "should iterate over time objects with #beginning_of_each" do
times = []
result = @now.beginning_of_each_hour { |time| times << time }
times.should have(24).items
times.should == (1..24).map { |i| @now.beginning_of_hour + i.hours }
result.should == @now
end
it "should iterate over time objects with #map_each" do
result = @now.map_each_hour { |time| time }
result.should have(24).items
result.should == (1..24).map { |i| @now + i.hours }
end
it "should iterate over time objects with #map_beginning_of_each" do
result = @now.map_beginning_of_each(:hour) { |time| time }
result.should have(24).items
result.should == (1..24).map { |i| @now.beginning_of_hour + i.hours }
end
it "should iterate over time objects with #each and #until via method chaining" do
match = (1..6).map { |i| @now + i.hours }
times = []
result = @now.each(:hour).until(@now + 6.hours) { |time| times << time }
times.should == match
result.should == @now
times = []
result = @now.until(@now + 6.hours).each_hour { |time| times << time }
times.should == match
result.should == @now
end
it "should iterate over time objects with #map_each and #until via method chaining" do
match = (1..6).map { |i| @now + i.hours }
@now.map_each_hour.until(@now + 6.hours) { |time| time }.should == match
@now.until(@now + 6.hours).map_each(:hour) { |time| time }.should == match
end
it "should iterate over time objects backwards with #until set in the past" do
match = (1..6).map { |i| @now - i.hours }
@now.map_each_hour.until(@now - 6.hours) { |time| time }.should == match
@now.until(@now - 6.hours).map_each(:hour) { |time| time }.should == match
end
it "should iterate over time objects with #map_each and #from via method chaining" do
match = (1..6).map { |i| @now + i.hours }
(@now + 6.hours).map_each_hour.from(@now) { |time| time }.should == match
(@now + 6.hours).from(@now).map_each(:hour) { |time| time }.should == match
end
end