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<?php
namespace Sabberworm\CSS;
use Sabberworm\CSS\Parsing\OutputException;
class OutputFormatter
{
/**
* @var OutputFormat
*/
private $oFormat;
public function __construct(OutputFormat $oFormat)
{
$this->oFormat = $oFormat;
}
/**
* @param string $sName
* @param string|null $sType
*
* @return string
*/
public function space($sName, $sType = null)
{
$sSpaceString = $this->oFormat->get("Space$sName");
// If $sSpaceString is an array, we have multiple values configured
// depending on the type of object the space applies to
if (is_array($sSpaceString)) {
if ($sType !== null && isset($sSpaceString[$sType])) {
$sSpaceString = $sSpaceString[$sType];
} else {
$sSpaceString = reset($sSpaceString);
}
}
return $this->prepareSpace($sSpaceString);
}
/**
* @return string
*/
public function spaceAfterRuleName()
{
return $this->space('AfterRuleName');
}
/**
* @return string
*/
public function spaceBeforeRules()
{
return $this->space('BeforeRules');
}
/**
* @return string
*/
public function spaceAfterRules()
{
return $this->space('AfterRules');
}
/**
* @return string
*/
public function spaceBetweenRules()
{
return $this->space('BetweenRules');
}
/**
* @return string
*/
public function spaceBeforeBlocks()
{
return $this->space('BeforeBlocks');
}
/**
* @return string
*/
public function spaceAfterBlocks()
{
return $this->space('AfterBlocks');
}
/**
* @return string
*/
public function spaceBetweenBlocks()
{
return $this->space('BetweenBlocks');
}
/**
* @return string
*/
public function spaceBeforeSelectorSeparator()
{
return $this->space('BeforeSelectorSeparator');
}
/**
* @return string
*/
public function spaceAfterSelectorSeparator()
{
return $this->space('AfterSelectorSeparator');
}
/**
* @param string $sSeparator
*
* @return string
*/
public function spaceBeforeListArgumentSeparator($sSeparator)
{
return $this->space('BeforeListArgumentSeparator', $sSeparator);
}
/**
* @param string $sSeparator
*
* @return string
*/
public function spaceAfterListArgumentSeparator($sSeparator)
{
return $this->space('AfterListArgumentSeparator', $sSeparator);
}
/**
* @return string
*/
public function spaceBeforeOpeningBrace()
{
return $this->space('BeforeOpeningBrace');
}
/**
* Runs the given code, either swallowing or passing exceptions, depending on the `bIgnoreExceptions` setting.
*
* @param string $cCode the name of the function to call
*
* @return string|null
*/
public function safely($cCode)
{
if ($this->oFormat->get('IgnoreExceptions')) {
// If output exceptions are ignored, run the code with exception guards
try {
return $cCode();
} catch (OutputException $e) {
return null;
} // Do nothing
} else {
// Run the code as-is
return $cCode();
}
}
/**
* Clone of the `implode` function, but calls `render` with the current output format instead of `__toString()`.
*
* @param string $sSeparator
* @param array<array-key, Renderable|string> $aValues
* @param bool $bIncreaseLevel
*
* @return string
*/
public function implode($sSeparator, array $aValues, $bIncreaseLevel = false)
{
$sResult = '';
$oFormat = $this->oFormat;
if ($bIncreaseLevel) {
$oFormat = $oFormat->nextLevel();
}
$bIsFirst = true;
foreach ($aValues as $mValue) {
if ($bIsFirst) {
$bIsFirst = false;
} else {
$sResult .= $sSeparator;
}
if ($mValue instanceof Renderable) {
$sResult .= $mValue->render($oFormat);
} else {
$sResult .= $mValue;
}
}
return $sResult;
}
/**
* @param string $sString
*
* @return string
*/
public function removeLastSemicolon($sString)
{
if ($this->oFormat->get('SemicolonAfterLastRule')) {
return $sString;
}
$sString = explode(';', $sString);
if (count($sString) < 2) {
return $sString[0];
}
$sLast = array_pop($sString);
$sNextToLast = array_pop($sString);
array_push($sString, $sNextToLast . $sLast);
return implode(';', $sString);
}
/**
* @param string $sSpaceString
*
* @return string
*/
private function prepareSpace($sSpaceString)
{
return str_replace("\n", "\n" . $this->indent(), $sSpaceString);
}
/**
* @return string
*/
private function indent()
{
return str_repeat($this->oFormat->sIndentation, $this->oFormat->level());
}
}
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