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Monthly Downloads: 3,171
Programming language: Elixir
License: Apache License 2.0
Tags: HTTP    
Latest version: v1.0.1

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README

Fuzzyurl

Non-strict parsing, manipulation, and fuzzy matching of URLs in Elixir.

Build Status Hex.pm Version Coverage Status

The full documentation for Fuzzyurl is here.

Adding Fuzzyurl to Your Project

To use Fuzzyurl with your projects, edit your mix.exs file and add it as a dependency:

defp deps do
  [{:fuzzyurl, "~> 0.9.0"}]
end

Introduction

Fuzzyurl provides two related functions: non-strict parsing of URLs or URL-like strings into their component pieces (protocol, username, password, hostname, port, path, query, and fragment), and fuzzy matching of URLs and URL patterns.

Specifically, URLs that look like this:

[protocol ://] [username [: password] @] [hostname] [: port] [/ path] [? query] [# fragment]

Fuzzyurls can be constructed using some or all of the above fields, optionally replacing some or all of those fields with a * wildcard if you wish to use the Fuzzyurl as a URL mask.

Parsing URLs

iex> f = Fuzzyurl.from_string("https://api.example.com/users/123?full=true")
%Fuzzyurl{fragment: nil, hostname: "api.example.com", password: nil, path: "/users/123", port: nil, protocol: "https", query: "full=true", username: nil}
iex> f.protocol
"https"
iex> f.hostname
"api.example.com"
iex> f.query
"full=true"

Constructing URLs

iex> f = Fuzzyurl.new(hostname: "example.com", protocol: "http", port: "8080")
%Fuzzyurl{fragment: nil, hostname: "example.com", password: nil, path: nil, port: "8080", protocol: "http", query: nil, username: nil}
iex> Fuzzyurl.to_string(f)
"http://example.com:8080"

Matching URLs

Fuzzyurl supports wildcard matching:

  • * matches anything, including nil.
  • foo* matches foo, foobar, foo/bar, etc.
  • *bar matches bar, foobar, foo/bar, etc.

Path and hostname matching allows the use of a greedier wildcard ** in addition to the naive wildcard *:

  • *.example.com matches filsrv-01.corp.example.com but not example.com.
  • **.example.com matches filsrv-01.corp.example.com and example.com.
  • /some/path/* matches /some/path/foo/bar and /some/path/ but not /some/path
  • /some/path/** matches /some/path/foo/bar and /some/path/ and /some/path

The Fuzzyurl.mask/0 and Fuzzyurl.mask/1 functions aid in the creation of URL masks.

iex> m = Fuzzyurl.mask
%Fuzzyurl{fragment: "*", hostname: "*", password: "*", path: "*", port: "*", protocol: "*", query: "*", username: "*"}
iex> Fuzzyurl.matches?(m, "http://example.com/a/b/c")
true

iex> m2 = Fuzzyurl.mask(path: "/a/b/**")
%Fuzzyurl{fragment: "*", hostname: "*", password: "*", path: "/a/b/**", port: "*", protocol: "*", query: "*", username: "*"}
iex> Fuzzyurl.matches?(m2, "https://example.com/a/b/")
true
iex> Fuzzyurl.matches?(m2, "git+ssh://jen@example.com/a/b")
true
iex> Fuzzyurl.matches?(m2, "https://example.com/a/bar")
false

Fuzzyurl.best_match, given a list of URL masks and a URL, will return the mask which most closely matches the URL:

iex> masks = ["/foo/*", "/foo/bar", Fuzzyurl.mask]
iex> Fuzzyurl.best_match(masks, "http://example.com/foo/bar")
"/foo/bar"

If you'd prefer the list index of the best-matching URL mask, use Fuzzyurl.best_match_index instead:

iex> masks = ["/foo/*", "/foo/bar", Fuzzyurl.mask]
iex> Fuzzyurl.best_match_index(masks, "http://example.com/foo/bar")
1

Authorship and License

Fuzzyurl is copyright 2014-2016, Pete Gamache.

Fuzzyurl is released under the MIT License, available at LICENSE.txt.


*Note that all licence references and agreements mentioned in the fuzzyurl README section above are relevant to that project's source code only.