kotovalexarian-likes-github/therubyracer
1
0
Fork 0
mirror of https://github.com/rubyjs/therubyracer synced 2023-03-27 23:21:42 -04:00
Code Releases Activity

Merge pull request #208 from senfo/master

Browse source 
Fixed a couple minor typos.
This commit is contained in:
Charles Lowell 2012-11-26 05:46:29 -08:00
commit 12a2270afe
1 changed files with 15 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
README.md
View file

@ -21,7 +21,7 @@ Embed the V8 Javascript interpreter into Ruby.
gem install therubyracer
then in your ruby code
then in your Ruby code
require 'v8'
# or if using bundler (as with Rails), add the following to your Gemfile
@ -37,12 +37,12 @@ embed values into the scope of your context
cxt['foo'] = "bar"
cxt.eval('foo') # => "bar"
embed ruby code into your scope and call it from javascript
embed Ruby code into your scope and call it from javascript
cxt["say"] = lambda {|this, word, times| word * times}
cxt.eval("say('Hello', 3)") #=> HelloHelloHello
embed a ruby object into your scope and access its properties/methods from javascript
embed a Ruby object into your scope and access its properties/methods from javascript
class MyMath
def plus(lhs, rhs)
@ -53,7 +53,7 @@ embed a ruby object into your scope and access its properties/methods from javas
cxt['math'] = MyMath.new
cxt.eval("math.plus(20,22)") #=> 42
make a ruby object *be* your global javascript scope.
make a Ruby object *be* your global javascript scope.
math = MyMath.new
V8::Context.new(:with => math) do |cxt|
@ -66,7 +66,7 @@ you can do the same thing with Object#eval_js
## Different ways of loading javascript source
In addition to just evaluating strings, you can also use streams such as files.
In addition to just evaluating strings, you can also use streams, such as files.
evaluate bytes read from any File/IO object:
@ -83,9 +83,9 @@ or load it by filename
The Ruby Racer is designed to let you evaluate javascript as safely as possible unless you tell it to do something more
dangerous. The default context is a hermetically sealed javascript environment with only the standard javascript objects
and functions. Nothing from the ruby world is accessible at all.
and functions. Nothing from the Ruby world is accessible at all.
For ruby objects that you explicitly embed into javascript, by default only the _public_ methods _below_ `Object` are
For Ruby objects that you explicitly embed into javascript, by default only the _public_ methods _below_ `Object` are
exposed by default. E.g.
class A
@ -123,14 +123,14 @@ More documentation can be found on the [github wiki](https://github.com/cowboyd/
## PREREQUISITES
For platforms for which there is a binary version of therubyracer gem available, there are no
dependencies other than ruby and rubygems.
dependencies other than Ruby and RubyGems.
If there is not a binary version for your system, then you will need to compile it from source.
To do this, you must have v8 >= 3.11.8 installed somewhere on your system. There are several
ways of doing this. For both you will need a C++ compiler.
ways of doing this. For both, you will need a C++ compiler.
The first method involves using a version of the v8 source which is maintained
[as a rubygem called libv8][1]. To use it, all you have to do is
The first method involves using a version of the v8 source, which is maintained
[as a RubyGem called libv8][1]. To use it, all you have to do is
add the following to your Gemfile:
gem 'libv8', '~> 3.11.8'
@ -139,9 +139,9 @@ This will download and build v8 from source for you as part of the gem installat
process. When therubyracer is installed, it will find this gem if it is present and
link against the v8 binaries contained therein.
If you cannot, or do not wish to use the libv8 rubygem, then you can either install
libv8 with you operating system's packaging system or you can [build it from source][2].
If you build from source, be sure to set the library=shared option. Also, if you install
If you cannot, or do not wish to use the libv8 RubyGem, you can either install libv8
with you operating system's packaging system or you can [build it from source][2]. If
you build from source, be sure to set the library=shared option. Also, if you install
this shared library into a place that is not on your standard lib and include paths, then
you can pass your non-standard locations to therubyracer using the
`--with-v8-include` and `--with-v8-lib` configuration options.
@ -182,4 +182,4 @@ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
[1]: https://github.com/cowboyd/libv8
[2]: http://code.google.com/p/v8/wiki/BuildingWithGYP
[2]: http://code.google.com/p/v8/wiki/BuildingWithGYP