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timfjord committed Feb 6, 2015
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14 changes: 14 additions & 0 deletions .gitignore
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/.bundle/
/.yardoc
/Gemfile.lock
/_yardoc/
/coverage/
/doc/
/pkg/
/spec/reports/
/tmp/
*.bundle
*.so
*.o
*.a
mkmf.log
4 changes: 4 additions & 0 deletions Gemfile
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source 'https://rubygems.org'

# Specify your gem's dependencies in carrierwave-data-uri.gemspec
gemspec
22 changes: 22 additions & 0 deletions LICENSE.txt
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Copyright (c) 2015 Tima Maslyuchenko

MIT License

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), 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:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", 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.
31 changes: 31 additions & 0 deletions README.md
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# Carrierwave::Data::Uri

TODO: Write a gem description

## Installation

Add this line to your application's Gemfile:

```ruby
gem 'carrierwave-data-uri'
```

And then execute:

$ bundle

Or install it yourself as:

$ gem install carrierwave-data-uri

## Usage

TODO: Write usage instructions here

## Contributing

1. Fork it ( https://github.com/[my-github-username]/carrierwave-data-uri/fork )
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Commit your changes (`git commit -am 'Add some feature'`)
4. Push to the branch (`git push origin my-new-feature`)
5. Create a new Pull Request
2 changes: 2 additions & 0 deletions Rakefile
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require "bundler/gem_tasks"

25 changes: 25 additions & 0 deletions carrierwave-data-uri.gemspec
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# coding: utf-8
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require 'carrierwave_data_uri/version'

Gem::Specification.new do |spec|
spec.name = 'carrierwave-data-uri'
spec.version = Carrierwave::Data::Uri::VERSION
spec.authors = ['Tima Maslyuchenko']
spec.email = ['[email protected]']
spec.summary = %q{Carrierwave plugin that allow create image based from data uri}
spec.description = %q{Carrierwave plugin that allow create image based from data uri}
spec.homepage = 'https://github.com/timsly/carrierwave-data-uri'
spec.license = 'MIT'

spec.files = `git ls-files -z`.split("\x0")
spec.executables = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
spec.test_files = spec.files.grep(%r{^(test|spec|features)/})
spec.require_paths = ['lib']

spec.add_dependency 'carrierwave'

spec.add_development_dependency 'bundler', '~> 1.7'
spec.add_development_dependency 'rake', '~> 10.0'
end
7 changes: 7 additions & 0 deletions lib/carrierwave-data-uri.rb
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require 'carrierwave'
require 'carrierwave/orm/activerecord'
require 'carrierwave_data_uri/parser'
require 'carrierwave_data_uri/version'
require 'carrierwave_data_uri/mount'

ActiveRecord::Base.extend CarrierWave::DataUri::Mount if defined?(ActiveRecord)
18 changes: 18 additions & 0 deletions lib/carrierwave_data_uri/mount.rb
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module CarrierWave
module DataUri
module Mount
##
# See +CarrierWave::Mount#mount_uploader+ for documentation
#
def mount_uploader(column, uploader=nil, options={}, &block)
super

class_eval <<-RUBY, __FILE__, __LINE__+1
def #{column}_data_uri=(data)
self.#{column} = Parser.new(data).to_file
end
RUBY
end
end
end
end
35 changes: 35 additions & 0 deletions lib/carrierwave_data_uri/parser.rb
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require 'tempfile'
require 'base64'

module CarrierWave
module DataUri
class Parser
attr_reader :type, :encoder, :data, :extension

def initialize(data_uri)
if data_uri.match /^data:(.*?);(.*?),(.*)$/
@type = $1
@encoder = $2
@data = $3
@extension = $1.split('/')[1]
else
raise ArgumentError, 'Cannot parse data'
end
end

def binary_data
@binary_data ||= Base64.decode64 data
end

def to_file
@file ||= begin
file = Tempfile.new ['data_uri_upload', extension]
file.binmode
file << binary_data
file.rewind
file
end
end
end
end
end
7 changes: 7 additions & 0 deletions lib/carrierwave_data_uri/version.rb
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module Carrierwave
module Data
module Uri
VERSION = '0.0.1'
end
end
end

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