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mimeparse

This library was automatically exported from code.google.com/archive/p/mimeparse/.

This module provides basic functions for parsing mime-type names and matching them against a list of media-ranges.

See section 14.1 of RFC 2616 (the HTTP specification) for a complete explanation. More information on the library can be found in the XML.com article "Just Use Media Types?."

Contents

Function/Method Description
parse_mime_type() Parses a mime-type into its component parts.
parse_media_range() Media-ranges are mime-types with wild-cards and a 'q' quality parameter.
quality() Determines the quality ('q') of a mime-type when compared against a list of media-ranges.
quality_parsed() Just like quality() except the second parameter must be pre-parsed.
fitness_and_quality_parsed() Just like quality_parsed() but also returns the fitness score.
best_match() Choose the mime-type with the highest fitness score and quality ('q') from a list of candidates.

Usage

In Erlang

1> mimeparse:best_match(["application/xbel+xml", "text/xml"], "text/*;q=0.5,*/*; q=0.1").
"text/xml"

Note that neither quality_parsed() nor fitness_and_quality_parsed() are exported from the Erlang version.

In JavaScript

Rhino 1.7 release 1 2008 03 06
js> load('mimeparse.js');
js> Mimeparse.bestMatch(['application/xbel+xml', 'text/xml'], 'text/*;q=0.5,*/*; q=0.1');
text/xml

This example uses the Rhino JavaScript shell but usage should be similar for other JavaScript environments.

In Perl

use MIMEParse qw( best_match );
print best_match(['application/xbel+xml', 'text/xml'], 'text/*;q=0.5,*/*; q=0.1');
# text/xml

In PHP

include_once 'mimeparse.php';

echo Mimeparse::best_match(array('application/xbel+xml', 'text/xml'),
  'text/*;q=0.5,*/*; q=0.1');
    ==>"text/xml"

In Python

>>> import mimeparse
>>> mimeparse.best_match(['application/xbel+xml', 'text/xml'],
      'text/*;q=0.5,*/*; q=0.1')
'text/xml'

In Ruby

require "mimeparse"
    ==>true
MIMEParse.best_match(['application/xbel+xml', 'text/xml'],
  'text/*;q=0.5,*/*; q=0.1')
    ==>"text/xml"

In Java

List<String> mimeTypesSupported = Arrays.asList(StringUtils.split(
                "application/xbel+xml,text/xml", ','));
String bestMatch = MIMEParse.bestMatch(mimeTypesSupported, "text/*;q=0.5,*/*;q=0.1");

In Go

import "mimeparse"

bestmatch := mimeparse.BestMatch(["application/xbel+xml", "text/xml"],
  "text/*;q=0.5,*/*; q=0.1");

Testing

The format of the JSON test data file is as follows:

A top-level JSON object which has a key for each of the functions to be tested. The value corresponding to that key is a list of tests. Each test contains: the argument or arguments to the function being tested, the expected results and an optional description.

Python

The Python tests require either Python 2.6 or the installation of the SimpleJSON library.

Installing SimpleJson can be done by:

sudo easy_install simplejson

Run the tests by typing:

python mimeparse_test.py