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PhutilInvisibleSyntaxHighlighter.php
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Created
Sat, Aug 17, 03:52
Size
1 KB
Mime Type
text/x-php
Expires
Mon, Aug 19, 03:52 (2 d)
Engine
blob
Format
Raw Data
Handle
19946117
Attached To
rPHU libphutil
PhutilInvisibleSyntaxHighlighter.php
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<?php
/**
* @group markup
*/
final
class
PhutilInvisibleSyntaxHighlighter
{
private
$config
=
array
();
public
function
setConfig
(
$key
,
$value
)
{
$this
->
config
[
$key
]
=
$value
;
return
$this
;
}
public
function
getHighlightFuture
(
$source
)
{
$keys
=
array_map
(
"chr"
,
range
(
0x0
,
0x1F
));
$vals
=
array_map
(
array
(
$this
,
"decimalToHtmlEntityDecoded"
),
range
(
0x2400
,
0x241F
));
$invisible
=
array_combine
(
$keys
,
$vals
);
$result
=
array
();
foreach
(
str_split
(
$source
)
as
$character
)
{
if
(
isset
(
$invisible
[
$character
]))
{
$result
[]
=
phutil_tag
(
'span'
,
array
(
"class"
=>
"invisible"
),
$invisible
[
$character
]);
if
(
$character
===
"
\n
"
)
{
$result
[]
=
$character
;
}
}
else
{
$result
[]
=
$character
;
}
}
$result
=
phutil_implode_html
(
''
,
$result
);
return
new
ImmediateFuture
(
$result
);
}
private
function
decimalToHtmlEntityDecoded
(
$dec
)
{
return
html_entity_decode
(
"&#{$dec};"
);
}
}
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