CssTidy

csstidy_optimise
in package

CSS Optimising Class

This class optimises CSS data generated by csstidy.

Tags
author

Florian Schmitz (floele at gmail dot com) 2005-2006

version
1.0

Table of Contents

Properties

$at  : mixed
$css  : mixed
$parser  : object
csstidy object
$property  : mixed
$selector  : mixed
$sub_value  : mixed
$value  : mixed

Methods

__construct()  : mixed
Constructor
AnalyseCssNumber()  : array<string|int, mixed>|false
Checks if a given string is a CSS valid number. If it is, an array containing the value and unit is returned
compress_important()  : string
Removes unnecessary whitespace in ! important
compress_numbers()  : string
Compresses numbers (ie. 1.0 becomes 1 or 1.100 becomes 1.1 )
cut_color()  : string
Color compression function. Converts all rgb() values to #-values and uses the short-form if possible. Also replaces 4 color names by #-values.
discard_invalid_selectors()  : mixed
Removes invalid selectors and their corresponding rule-sets as defined by 4.1.7 in REC-CSS2. This is a very rudimentary check and should be replaced by a full-blown parsing algorithm or regular expression
dissolve_4value_radius_shorthands()  : array<string|int, mixed>
Dissolves radius properties like border-radius:10px 10px 10px / 1px 2px to border-top-left:10px 1px;border-top-right:10px 2x;.
dissolve_4value_shorthands()  : array<string|int, mixed>
Dissolves properties like padding:10px 10px 10px to padding-top:10px;padding-bottom:10px;.
dissolve_short_bg()  : array<string|int, mixed>
Dissolve background property
dissolve_short_font()  : array<string|int, mixed>
Dissolve font property
explode_ws()  : array<string|int, mixed>
Explodes a string as explode() does, however, not if $sep is escaped or within a string.
merge_4value_radius_shorthands()  : array<string|int, mixed>
Merges Shorthand properties again, the opposite of dissolve_4value_shorthands()
merge_4value_shorthands()  : array<string|int, mixed>
Merges Shorthand properties again, the opposite of dissolve_4value_shorthands()
merge_bg()  : array<string|int, mixed>
Merges all background properties
merge_font()  : array<string|int, mixed>
Merges all fonts properties
merge_selectors()  : void
Merges selectors with same properties. Example: a{color:red} b{color:red} -> a,b{color:red} Very basic and has at least one bug. Hopefully there is a replacement soon.
postparse()  : mixed
Optimises $css after parsing
reverse_left_and_right()  : array<string|int, mixed>
Reverse left vs right in a list of properties/values
reverse_left_and_right_4value_radius_shorthands()  : string
Reversing 4 values radius shorthands properties
reverse_left_and_right_4value_shorthands()  : string
Reversing 4 values shorthands properties
reverse_left_and_right__moz_border_radius()  : string
Reversing border-radius shorthands
reverse_left_and_right__webkit_border_radius()  : string
Reversing border-radius shorthands
reverse_left_and_right_background()  : string
Reversing background shorthands
reverse_left_and_right_background_position()  : string
Reversing background position shorthands
reverse_left_and_right_background_position_x()  : string
Reversing background position shorthands
reverse_left_and_right_border_color()  : string
Reversing border-color shorthands
reverse_left_and_right_border_radius()  : string
Reversing border-radius shorthands
reverse_left_and_right_border_style()  : string
Reversing border-style shorthands
reverse_left_and_right_border_width()  : string
Reversing border-width shorthands
reverse_left_and_right_margin()  : string
Reversing margin shorthands
reverse_left_and_right_padding()  : string
Reversing padding shorthands
shorthand()  : string
Compresses shorthand values. Example: margin:1px 1px 1px 1px -> margin:1px
shorthands()  : mixed
Optimises shorthands
subvalue()  : mixed
Optimises a sub-value
value()  : mixed
Optimises values

Properties

Methods

AnalyseCssNumber()

Checks if a given string is a CSS valid number. If it is, an array containing the value and unit is returned

public AnalyseCssNumber(string $string) : array<string|int, mixed>|false
Parameters
$string : string
Return values
array<string|int, mixed>|false —

('unit' if unit is found or '' if no unit exists, number value) or false if no number

compress_important()

Removes unnecessary whitespace in ! important

public compress_important(string &$string) : string
Parameters
$string : string
Tags
access

public

version
1.1
Return values
string

compress_numbers()

Compresses numbers (ie. 1.0 becomes 1 or 1.100 becomes 1.1 )

public compress_numbers(string $subvalue) : string
Parameters
$subvalue : string
Tags
version
1.2
Return values
string

cut_color()

Color compression function. Converts all rgb() values to #-values and uses the short-form if possible. Also replaces 4 color names by #-values.

public cut_color(string $color) : string
Parameters
$color : string
Tags
version
1.1
Return values
string

discard_invalid_selectors()

Removes invalid selectors and their corresponding rule-sets as defined by 4.1.7 in REC-CSS2. This is a very rudimentary check and should be replaced by a full-blown parsing algorithm or regular expression

public discard_invalid_selectors(mixed &$array) : mixed
Parameters
$array : mixed
Tags
version
1.4

dissolve_4value_radius_shorthands()

Dissolves radius properties like border-radius:10px 10px 10px / 1px 2px to border-top-left:10px 1px;border-top-right:10px 2x;.

public dissolve_4value_radius_shorthands(string $property, string $value) : array<string|int, mixed>

..

Parameters
$property : string
$value : string
Tags
version
1.0
uses
dissolve_4value_shorthands()
see
merge_4value_radius_shorthands()
Return values
array<string|int, mixed>

dissolve_4value_shorthands()

Dissolves properties like padding:10px 10px 10px to padding-top:10px;padding-bottom:10px;.

public dissolve_4value_shorthands(string $property, string $value[, array<string|int, mixed>|null $shorthands = null ]) : array<string|int, mixed>

..

Parameters
$property : string
$value : string
$shorthands : array<string|int, mixed>|null = null
Tags
version
1.0
see
merge_4value_shorthands()
Return values
array<string|int, mixed>

dissolve_short_bg()

Dissolve background property

public dissolve_short_bg(string $str_value) : array<string|int, mixed>
Parameters
$str_value : string
Tags
version
1.0
see
merge_bg()
todo

full CSS 3 compliance

Return values
array<string|int, mixed>

dissolve_short_font()

Dissolve font property

public dissolve_short_font(string $str_value) : array<string|int, mixed>
Parameters
$str_value : string
Tags
version
1.3
see
merge_font()
Return values
array<string|int, mixed>

explode_ws()

Explodes a string as explode() does, however, not if $sep is escaped or within a string.

public explode_ws(string $sep, string $string[, bool $explode_in_parenthesis = false ]) : array<string|int, mixed>
Parameters
$sep : string

seperator

$string : string
$explode_in_parenthesis : bool = false
Tags
version
1.0
Return values
array<string|int, mixed>

merge_4value_radius_shorthands()

Merges Shorthand properties again, the opposite of dissolve_4value_shorthands()

public merge_4value_radius_shorthands(array<string|int, mixed> $array) : array<string|int, mixed>
Parameters
$array : array<string|int, mixed>
Tags
version
1.2
uses
merge_4value_shorthands()
see
dissolve_4value_radius_shorthands()
Return values
array<string|int, mixed>

merge_4value_shorthands()

Merges Shorthand properties again, the opposite of dissolve_4value_shorthands()

public merge_4value_shorthands(array<string|int, mixed> $array[, array<string|int, mixed>|null $shorthands = null ]) : array<string|int, mixed>
Parameters
$array : array<string|int, mixed>
$shorthands : array<string|int, mixed>|null = null
Tags
version
1.2
see
dissolve_4value_shorthands()
Return values
array<string|int, mixed>

merge_bg()

Merges all background properties

public merge_bg(array<string|int, mixed> $input_css) : array<string|int, mixed>
Parameters
$input_css : array<string|int, mixed>
Tags
version
1.0
see
dissolve_short_bg()
todo

full CSS 3 compliance

Return values
array<string|int, mixed>

merge_font()

Merges all fonts properties

public merge_font(array<string|int, mixed> $input_css) : array<string|int, mixed>
Parameters
$input_css : array<string|int, mixed>
Tags
version
1.3
see
dissolve_short_font()
Return values
array<string|int, mixed>

merge_selectors()

Merges selectors with same properties. Example: a{color:red} b{color:red} -> a,b{color:red} Very basic and has at least one bug. Hopefully there is a replacement soon.

public merge_selectors(array<string|int, mixed> &$array) : void
Parameters
$array : array<string|int, mixed>
Tags
access

public

version
1.2

postparse()

Optimises $css after parsing

public postparse() : mixed
Tags
access

public

version
1.0

reverse_left_and_right()

Reverse left vs right in a list of properties/values

public reverse_left_and_right(array<string|int, mixed> $array) : array<string|int, mixed>
Parameters
$array : array<string|int, mixed>
Return values
array<string|int, mixed>

reverse_left_and_right_4value_radius_shorthands()

Reversing 4 values radius shorthands properties

public reverse_left_and_right_4value_radius_shorthands(mixed $property, string $value) : string
Parameters
$property : mixed
$value : string
Return values
string

reverse_left_and_right_4value_shorthands()

Reversing 4 values shorthands properties

public reverse_left_and_right_4value_shorthands(mixed $property, string $value) : string
Parameters
$property : mixed
$value : string
Return values
string

reverse_left_and_right__moz_border_radius()

Reversing border-radius shorthands

public reverse_left_and_right__moz_border_radius(string $value) : string
Parameters
$value : string
Return values
string

reverse_left_and_right__webkit_border_radius()

Reversing border-radius shorthands

public reverse_left_and_right__webkit_border_radius(string $value) : string
Parameters
$value : string
Return values
string

reverse_left_and_right_background()

Reversing background shorthands

public reverse_left_and_right_background(string $value) : string
Parameters
$value : string
Return values
string

reverse_left_and_right_background_position()

Reversing background position shorthands

public reverse_left_and_right_background_position(string $value) : string
Parameters
$value : string
Return values
string

reverse_left_and_right_background_position_x()

Reversing background position shorthands

public reverse_left_and_right_background_position_x(string $value) : string
Parameters
$value : string
Return values
string

reverse_left_and_right_border_color()

Reversing border-color shorthands

public reverse_left_and_right_border_color(string $value) : string
Parameters
$value : string
Return values
string

reverse_left_and_right_border_radius()

Reversing border-radius shorthands

public reverse_left_and_right_border_radius(string $value) : string
Parameters
$value : string
Return values
string

reverse_left_and_right_border_style()

Reversing border-style shorthands

public reverse_left_and_right_border_style(string $value) : string
Parameters
$value : string
Return values
string

reverse_left_and_right_border_width()

Reversing border-width shorthands

public reverse_left_and_right_border_width(string $value) : string
Parameters
$value : string
Return values
string

reverse_left_and_right_margin()

Reversing margin shorthands

public reverse_left_and_right_margin(string $value) : string
Parameters
$value : string
Return values
string

reverse_left_and_right_padding()

Reversing padding shorthands

public reverse_left_and_right_padding(string $value) : string
Parameters
$value : string
Return values
string

shorthand()

Compresses shorthand values. Example: margin:1px 1px 1px 1px -> margin:1px

public shorthand(string $value) : string
Parameters
$value : string
Tags
access

public

version
1.0
Return values
string 

        

        
    




    

    

                                

                

                                
    

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