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[css_normalizeurls]

Description

Link: [css_normalizeurls]

Author: Jason Huck

Category: File

Version: 8.5.x

License: Public Domain

Posted: Sep. 22, 2008

Updated: Sep. 22, 2008

More by this author...

Returns a version of the given CSS file with all relative URLs converted to absolute ones. Requires [url_normalize].

Parameters

none

Sample Usage

var('newcss') = css_normalizeurls('/path/to/file.css');

Source Code

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define_tag(
	'normalizeurls',
	-namespace='css_',
	-req='in',
	-priority='replace',
	-encodenone,
	-description='Returns a version of the given CSS file with all relative URLs converted to absolute ones.'
);
	fail_if(!#in->endswith('.css'), -1, 'File does not have a .css extension.');

	local('file') = string(include_raw(#in));
	local('base') = string(#in)->removetrailing(#in->split('/')->last)&;
	local('regex') = regexp('url\\([\'"]?(?!/|http)(.+)?[\'"]?\\)', -input=#file);

	while(#regex->find);
		local('replacement') = 'url(' + url_normalize(#regex->matchstring(1), #base) + ')';
		#regex->appendreplacement(#replacement);
	/while;
	
	#regex->appendtail;
	return(#regex->output);
/define_tag;

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