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<?php
namespace Nextend\Framework\Font;
use Nextend\Framework\Parser\Color;
use Nextend\Framework\Parser\Common;
use Nextend\Framework\Plugin;
use Nextend\Framework\Sanitize;
class FontStyle {
public static $fontSize = false;
/**
* Generic font family values
* @url https://developer.mozilla.org/en-US/docs/Web/CSS/font-family#generic-name
*
* @var string[]
*/
private $genericFontFamilyNames = [
'serif',
'sans-serif',
'monospace',
'cursive',
'fantasy',
'system-ui',
'ui-serif',
'ui-sans-serif',
'ui-monospace',
'ui-rounded',
'emoji',
'math',
'fangsong'
];
private $globalFontFamilyValues = [
'inherit',
'initial',
'revert',
'revert-layer',
'unset'
];
/**
* @param string $tab
*
* @return string
*/
public function style($tab) {
$style = '';
$extra = '';
if (isset($tab['extra'])) {
$extra = $tab['extra'];
unset($tab['extra']);
}
foreach ($tab as $k => $v) {
$style .= $this->parse($k, $v);
}
$style .= $this->parse('extra', $extra);
return $style;
}
/**
* @param $property
* @param $value
*
* @return mixed
*/
public function parse($property, $value) {
$fn = 'parse' . $property;
return $this->$fn($value);
}
/**
* @param $v
*
* @return string
*/
public function parseColor($v) {
$hex = Color::hex82hex($v);
if ($hex[1] == 'ff') {
return 'color: #' . $hex[0] . ';';
}
$rgba = Color::hex2rgba($v);
return 'color: RGBA(' . $rgba[0] . ',' . $rgba[1] . ',' . $rgba[2] . ',' . round($rgba[3] / 127, 2) . ');';
}
/**
* @param $v
*
* @return string
*/
public function parseSize($v) {
if (self::$fontSize) {
$fontSize = Common::parse($v);
if ($fontSize[1] == 'px') {
return 'font-size:' . ($fontSize[0] / self::$fontSize * 100) . '%;';
}
}
return 'font-size:' . Sanitize::esc_css_value(Common::parse($v, '')) . ';';
}
/**
* @param $v
*
* @return string
*/
public function parseTshadow($v) {
$v = Common::parse($v);
$rgba = Color::hex2rgba($v[3]);
if ($v[0] == 0 && $v[1] == 0 && $v[2] == 0) return 'text-shadow: none;';
return 'text-shadow: ' . Sanitize::esc_css_value($v[0]) . 'px ' . Sanitize::esc_css_value($v[1]) . 'px ' . Sanitize::esc_css_value($v[2]) . 'px RGBA(' . $rgba[0] . ',' . $rgba[1] . ',' . $rgba[2] . ',' . round($rgba[3] / 127, 2) . ');';
}
/**
* @param $v
*
* @return string
*/
public function parseAfont($v) {
return 'font-family: ' . $this->loadFont(Sanitize::esc_css_value($v)) . ';';
}
/**
* @param $v
*
* @return string
*/
public function parseLineheight($v) {
if ($v == '') return '';
return 'line-height: ' . Sanitize::esc_css_value($v) . ';';
}
/**
* @param $v
*
* @return string
*/
public function parseBold($v) {
return $this->parseWeight($v);
}
public function parseWeight($v) {
if ($v == '1') return 'font-weight: bold;';
if ($v > 1) return 'font-weight: ' . intval($v) . ';';
return 'font-weight: normal;';
}
/**
* @param $v
*
* @return string
*/
public function parseItalic($v) {
if ($v == '1') return 'font-style: italic;';
return 'font-style: normal;';
}
/**
* @param $v
*
* @return string
*/
public function parseUnderline($v) {
if ($v == '1') return 'text-decoration: underline;';
return 'text-decoration: none;';
}
/**
* @param $v
*
* @return string
*/
public function parseAlign($v) {
return 'text-align: ' . Sanitize::esc_css_value($v) . ';';
}
public function parseLetterSpacing($v) {
return 'letter-spacing: ' . Sanitize::esc_css_value($v) . ';';
}
public function parseWordSpacing($v) {
return 'word-spacing: ' . Sanitize::esc_css_value($v) . ';';
}
public function parseTextTransform($v) {
return 'text-transform: ' . Sanitize::esc_css_value($v) . ';';
}
public function parseExtra($v) {
return Sanitize::esc_css_string($v);
}
/**
* @param $families
*
* @return mixed
*/
public function loadFont($families) {
$families = explode(',', $families);
for ($i = 0; $i < count($families); $i++) {
$families[$i] = $this->getFamily(trim(trim($families[$i]), '\'"'));
}
return implode(',', $families);
}
/**
* @param string $family
*
* @return bool
*/
private function isGenericFamily($family) {
return in_array($family, $this->genericFontFamilyNames);
}
/**
* @param string $family
*
* @return bool
*/
private function isGlobalFontFamilyValue($family) {
return in_array($family, $this->globalFontFamilyValues);
}
private function getFamily($family) {
$family = Plugin::applyFilters('fontFamily', $family);
if ($this->isGenericFamily($family) || $this->isGlobalFontFamilyValue($family)) {
/**
* Generic family names and Global values are keywords and must not be quoted!
*/
return $family;
}
return "'" . $family . "'";
}
}