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reduce lessphp

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djmaze 2021-11-30 09:47:31 +01:00
parent aaf0b51c3d
commit f743f0e27a
1 changed files with 63 additions and 103 deletions
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166
snappymail/v/0.0.0/app/libraries/lessphp/lessc.php
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@ -17,9 +17,9 @@ class Exception extends \Exception {};
trait lessc_lib trait lessc_lib
{ {
protected function assertNumber($value, $error = "expecting number") { protected function assertNumber($value) {
if ($value[0] == "number") return $value[1]; if ($value[0] == "number") return $value[1];
$this->throwError($error); $this->throwError('expecting number');
} }
/** /**
@ -149,9 +149,8 @@ trait lessc_lib
list($number, $newUnit) = $arg[2]; list($number, $newUnit) = $arg[2];
return array("number", $this->assertNumber($number), return array("number", $this->assertNumber($number),
$this->compileValue($this->lib_e($newUnit))); $this->compileValue($this->lib_e($newUnit)));
} else {
return array("number", $this->assertNumber($arg), "");
} }
return array("number", $this->assertNumber($arg), "");
} }
protected function lib_darken($args) { protected function lib_darken($args) {
@ -375,7 +374,7 @@ class lessc {
public static function compressList($items, $delim) { public static function compressList($items, $delim) {
if (!isset($items[1]) && isset($items[0])) return $items[0]; if (!isset($items[1]) && isset($items[0])) return $items[0];
else return array('list', $delim, $items); return array('list', $delim, $items);
} }
public static function preg_quote($what) { public static function preg_quote($what) {
@ -521,11 +520,7 @@ class lessc {
} }
} }
if ($split) { return $split ? array($vars, $other) : array_merge($vars, $other);
return array($vars, $other);
} else {
return array_merge($vars, $other);
}
} }
protected function compileMediaQuery($queries) { protected function compileMediaQuery($queries) {
@ -559,7 +554,7 @@ class lessc {
$out = "@media"; $out = "@media";
if (!empty($parts)) { if (!empty($parts)) {
$out .= " " . $out .= " " .
implode($this->formatter->selectorSeparator, $compiledQueries); implode(',', $compiledQueries);
} }
return $out; return $out;
} }
@ -734,11 +729,9 @@ class lessc {
if ($block->isVararg) { if ($block->isVararg) {
return true; // not having enough is handled above return true; // not having enough is handled above
} else {
$numMatched = $i + 1;
// greater than becuase default values always match
return $numMatched >= $numCalling;
} }
// greater than becuase default values always match
return $i + 1 >= $numCalling;
} }
protected function patternMatchAll($blocks, $callingArgs) { protected function patternMatchAll($blocks, $callingArgs) {
@ -833,8 +826,7 @@ class lessc {
if ($name[0] == self::vPrefix) { if ($name[0] == self::vPrefix) {
$this->set($name, $value); $this->set($name, $value);
} else { } else {
$out->lines[] = $this->formatter->property($name, $out->lines[] = "{$name}:{$this->compileValue($this->reduce($value))};";
$this->compileValue($this->reduce($value)));
} }
break; break;
case 'block': case 'block':
@ -930,10 +922,7 @@ class lessc {
// [2] - array of values // [2] - array of values
return implode($value[1], array_map(array($this, 'compileValue'), $value[2])); return implode($value[1], array_map(array($this, 'compileValue'), $value[2]));
case 'raw_color': case 'raw_color':
if (!empty($this->formatter->compressColors)) { return $this->compileValue($this->coerceColor($value));
return $this->compileValue($this->coerceColor($value));
}
return $value[1];
case 'keyword': case 'keyword':
// [1] - the keyword // [1] - the keyword
return $value[1]; return $value[1];
@ -967,11 +956,9 @@ class lessc {
$h = sprintf("#%02x%02x%02x", $r, $g, $b); $h = sprintf("#%02x%02x%02x", $r, $g, $b);
if (!empty($this->formatter->compressColors)) { // Converting hex color to short notation (e.g. #003399 to #039)
// Converting hex color to short notation (e.g. #003399 to #039) if ($h[1] === $h[2] && $h[3] === $h[4] && $h[5] === $h[6]) {
if ($h[1] === $h[2] && $h[3] === $h[4] && $h[5] === $h[6]) { $h = '#' . $h[1] . $h[3] . $h[5];
$h = '#' . $h[1] . $h[3] . $h[5];
}
} }
return $h; return $h;
@ -1547,6 +1534,17 @@ class lessc {
return $default; return $default;
} }
protected function isEmpty($block) {
if (empty($block->lines)) {
foreach ($block->children as $child) {
if (!$this->isEmpty($child)) return false;
}
return true;
}
return false;
}
public function compile($string, $name = null) { public function compile($string, $name = null) {
$locale = setlocale(LC_NUMERIC, 0); $locale = setlocale(LC_NUMERIC, 0);
setlocale(LC_NUMERIC, "C"); setlocale(LC_NUMERIC, "C");
@ -1557,12 +1555,28 @@ class lessc {
$this->env = null; $this->env = null;
$this->scope = null; $this->scope = null;
$this->formatter = new lessc_formatter_compressed;
$this->sourceParser = $this->parser; // used for error messages $this->sourceParser = $this->parser; // used for error messages
$this->compileBlock($root); $this->compileBlock($root);
$out = $this->formatter->block($this->scope); $out = '';
if (!$this->isEmpty($this->scope)) {
if (!empty($this->scope->selectors)) {
$out .= implode(',', $this->scope->selectors) . '{';
}
if (!empty($this->scope->lines)) {
$out .= implode('', $this->scope->lines);
}
foreach ($this->scope->children as $child) {
$out .= $this->block($child);
}
if (!empty($this->scope->selectors)) {
$out .= '}';
}
}
setlocale(LC_NUMERIC, $locale); setlocale(LC_NUMERIC, $locale);
return $out; return $out;
} }
@ -1861,10 +1875,8 @@ class lessc_parser {
) { ) {
$this->append(array('assign', $key, $value), $s); $this->append(array('assign', $key, $value), $s);
return true; return true;
} else {
$this->seek($s);
} }
$this->seek($s);
// look for special css blocks // look for special css blocks
if ($this->literal('@', false)) { if ($this->literal('@', false)) {
@ -1878,10 +1890,9 @@ class lessc_parser {
$media = $this->pushSpecialBlock("media"); $media = $this->pushSpecialBlock("media");
$media->queries = is_null($mediaQueries) ? array() : $mediaQueries; $media->queries = is_null($mediaQueries) ? array() : $mediaQueries;
return true; return true;
} else {
$this->seek($s);
return false;
} }
$this->seek($s);
return false;
} }
if ($this->literal("@", false) && $this->keyword($dirName)) { if ($this->literal("@", false) && $this->keyword($dirName)) {
@ -1911,9 +1922,8 @@ class lessc_parser {
) { ) {
$this->append(array('assign', $var, $value), $s); $this->append(array('assign', $var, $value), $s);
return true; return true;
} else {
$this->seek($s);
} }
$this->seek($s);
if ($this->import($importValue)) { if ($this->import($importValue)) {
$this->append($importValue, $s); $this->append($importValue, $s);
@ -1930,18 +1940,16 @@ class lessc_parser {
$block->isVararg = $isVararg; $block->isVararg = $isVararg;
if (!empty($guards)) $block->guards = $guards; if (!empty($guards)) $block->guards = $guards;
return true; return true;
} else {
$this->seek($s);
} }
$this->seek($s);
// opening a simple block // opening a simple block
if ($this->tags($tags) && $this->literal('{')) { if ($this->tags($tags) && $this->literal('{')) {
$tags = $this->fixTags($tags); $tags = $this->fixTags($tags);
$this->pushBlock($tags); $this->pushBlock($tags);
return true; return true;
} else {
$this->seek($s);
} }
$this->seek($s);
// closing a block // closing a block
if ($this->literal('}', false)) { if ($this->literal('}', false)) {
@ -1989,9 +1997,8 @@ class lessc_parser {
$tags = $this->fixTags($tags); $tags = $this->fixTags($tags);
$this->append(array('mixin', $tags, $argv, $suffix), $s); $this->append(array('mixin', $tags, $argv, $suffix), $s);
return true; return true;
} else {
$this->seek($s);
} }
$this->seek($s);
// spare ; // spare ;
if ($this->literal(';')) return true; if ($this->literal(';')) return true;
@ -2167,9 +2174,8 @@ class lessc_parser {
) { ) {
$value = array("unary", "-", $inner); $value = array("unary", "-", $inner);
return true; return true;
} else {
$this->seek($s);
} }
$this->seek($s);
} }
if ($this->parenValue($value)) return true; if ($this->parenValue($value)) return true;
@ -2193,17 +2199,15 @@ class lessc_parser {
if ($this->literal("~") && $this->string($str)) { if ($this->literal("~") && $this->string($str)) {
$value = array("escape", $str); $value = array("escape", $str);
return true; return true;
} else {
$this->seek($s);
} }
$this->seek($s);
// css hack: \0 // css hack: \0
if ($this->literal('\\') && $this->match('([0-9]+)', $m)) { if ($this->literal('\\') && $this->match('([0-9]+)', $m)) {
$value = array('keyword', '\\'.$m[1]); $value = array('keyword', '\\'.$m[1]);
return true; return true;
} else {
$this->seek($s);
} }
$this->seek($s);
return false; return false;
} }
@ -2275,7 +2279,8 @@ class lessc_parser {
$out = array("mediaExp", $feature); $out = array("mediaExp", $feature);
if ($value) $out[] = $value; if ($value) $out[] = $value;
return true; return true;
} elseif ($this->variable($variable)) { }
if ($this->variable($variable)) {
$out = array('variable', $variable); $out = array('variable', $variable);
return true; return true;
} }
@ -2749,7 +2754,8 @@ class lessc_parser {
protected function end() { protected function end() {
if ($this->literal(';')) { if ($this->literal(';')) {
return true; return true;
} elseif ($this->count == strlen($this->buffer) || $this->buffer[$this->count] == '}') { }
if ($this->count == strlen($this->buffer) || $this->buffer[$this->count] == '}') {
// if there is end of file or a closing block next then we don't need a ; // if there is end of file or a closing block next then we don't need a ;
return true; return true;
} }
@ -2820,15 +2826,13 @@ class lessc_parser {
// shortcut on single letter // shortcut on single letter
if (!isset($what[1]) && isset($this->buffer[$this->count])) { if (!isset($what[1]) && isset($this->buffer[$this->count])) {
if ($this->buffer[$this->count] == $what) { if ($this->buffer[$this->count] != $what) {
if (!$eatWhitespace) {
++$this->count;
return true;
}
// goes below...
} else {
return false; return false;
} }
if (!$eatWhitespace) {
++$this->count;
return true;
}
} }
if (!isset(self::$literalCache[$what])) { if (!isset(self::$literalCache[$what])) {
@ -2908,7 +2912,7 @@ class lessc_parser {
// seek to a spot in the buffer or return where we are on no argument // seek to a spot in the buffer or return where we are on no argument
protected function seek($where = null) { protected function seek($where = null) {
if ($where === null) return $this->count; if ($where === null) return $this->count;
else $this->count = $where; $this->count = $where;
return true; return true;
} }
@ -3026,47 +3030,3 @@ class lessc_parser {
} }
} }
class lessc_formatter_compressed {
public $compressColors = true;
public function property($name, $value) {
return "{$name}:{$value};";
}
protected function isEmpty($block) {
if (empty($block->lines)) {
foreach ($block->children as $child) {
if (!$this->isEmpty($child)) return false;
}
return true;
}
return false;
}
public function block($block) : string {
if ($this->isEmpty($block))
return '';
$result = '';
if (!empty($block->selectors)) {
$result .= implode(',', $block->selectors) . '{';
}
if (!empty($block->lines)) {
$result .= implode('', $block->lines);
}
foreach ($block->children as $child) {
$result .= $this->block($child);
}
if (!empty($block->selectors)) {
$result .= '}';
}
return $result;
}
}