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JSMin
in package

jsmin.php - PHP implementation of Douglas Crockford's JSMin.

This is a direct port of jsmin.c to PHP with a few PHP performance tweaks and modifications to preserve some comments (see below). Also, rather than using stdin/stdout, JSMin::minify() accepts a string as input and returns another string as output.

Comments containing IE conditional compilation are preserved, as are multi-line comments that begin with "/*!" (for documentation purposes). In the latter case newlines are inserted around the comment to enhance readability.

PHP 5 or higher is required.

Permission is hereby granted to use this version of the library under the same terms as jsmin.c, which has the following license:

-- Copyright (c) 2002 Douglas Crockford (www.crockford.com)

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 shall be used for Good, not Evil.

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.

Tags
author

Ryan Grove ryan@wonko.com (PHP port)

author

Steve Clay steve@mrclay.org (modifications + cleanup)

author

Andrea Giammarchi http://www.3site.eu (spaceBeforeRegExp)

copyright

2002 Douglas Crockford douglas@crockford.com (jsmin.c)

copyright

2008 Ryan Grove ryan@wonko.com (PHP port)

license

http://opensource.org/licenses/mit-license.php MIT License

link
http://code.google.com/p/jsmin-php/

Table of Contents

Constants

ACTION_DELETE_A  = 2
ACTION_DELETE_A_B  = 3
ACTION_KEEP_A  = 1
ORD_LF  = 10
ORD_SPACE  = 32

Properties

$a  : mixed
$b  : mixed
$input  : mixed
$inputIndex  : mixed
$inputLength  : mixed
$lookAhead  : mixed
$output  : mixed

Methods

__construct()  : mixed
Setup process
min()  : mixed
Perform minification, return result
minify()  : string
Minify Javascript
action()  : mixed
ACTION_KEEP_A = Output A. Copy B to A. Get the next B.
get()  : mixed
Get next char. Convert ctrl char to space.
isAlphaNum()  : mixed
Is $c a letter, digit, underscore, dollar sign, escape, or non-ASCII?
isRegexpLiteral()  : mixed
multipleLineComment()  : mixed
next()  : mixed
Get the next character, skipping over comments.
peek()  : mixed
Get next char. If is ctrl character, translate to a space or newline.
singleLineComment()  : mixed

Constants

ACTION_DELETE_A

public mixed ACTION_DELETE_A = 2

ACTION_DELETE_A_B

public mixed ACTION_DELETE_A_B = 3

ACTION_KEEP_A

public mixed ACTION_KEEP_A = 1

ORD_LF

public mixed ORD_LF = 10

ORD_SPACE

public mixed ORD_SPACE = 32

Properties

$a

protected mixed $a = "\n"

$input

protected mixed $input = ''

$inputIndex

protected mixed $inputIndex = 0

$inputLength

protected mixed $inputLength = 0

$lookAhead

protected mixed $lookAhead = \null

$output

protected mixed $output = ''

Methods

__construct()

Setup process

public __construct(mixed $input) : mixed
Parameters
$input : mixed

min()

Perform minification, return result

public min() : mixed

minify()

Minify Javascript

public static minify(string $js) : string
Parameters
$js : string

Javascript to be minified

Return values
string

action()

ACTION_KEEP_A = Output A. Copy B to A. Get the next B.

protected action(mixed $command) : mixed

ACTION_DELETE_A = Copy B to A. Get the next B. ACTION_DELETE_A_B = Get the next B.

Parameters
$command : mixed

get()

Get next char. Convert ctrl char to space.

protected get() : mixed

isAlphaNum()

Is $c a letter, digit, underscore, dollar sign, escape, or non-ASCII?

protected isAlphaNum(mixed $c) : mixed
Parameters
$c : mixed

isRegexpLiteral()

protected isRegexpLiteral() : mixed

multipleLineComment()

protected multipleLineComment() : mixed

next()

Get the next character, skipping over comments.

protected next() : mixed

Some comments may be preserved.

peek()

Get next char. If is ctrl character, translate to a space or newline.

protected peek() : mixed

singleLineComment()

protected singleLineComment() : mixed

        
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