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A crystal-lang tree structure that is built using a delimiter.
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README.md

Delimiter Tree

A delimiter tree is a tree that is built from a string based on the delimiter. For example, if you have a string "foo;bar" then you will have a parent node "foo" and a child node "bar". Each node will hold a payload.

The delimiter tree also supports two special characters.

  • : is used for a parameter
    • is used to include a payload for all children nodes

The tree will return an array of payloads for all matching * as well as the specific payload for the final matching string.

Installation

Add this to your application's shard.yml:

dependencies:
  delimiter_tree:
    github: drujensen/delimiter_tree

Usage

The delimiter tree is used to return a payload or an array of payloads for a particular delimited string. This can be used for url paths or any situation where you need to specifically hold data per each segment of a delimited string.

require "delimiter_tree"

tree = Delimiter::Tree(Symbol).new("/")
tree.add "/*", :all_children
tree.add "/products", :products
tree.add "/products/:id", :specific_product

result = tree.find "/products/2"

puts result.payload
# [:all_children, :products]

puts result.params
# :id => 2

Contributing

  1. Fork it ( https://github.com/drujensen/delimiter_tree/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

Contributors

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