/**
* format() in font-face needs quoted values for somes browser (FF at least)
*
* @param $value
* @return string
*/
function quote_font_format($value)
{
if (strncmp($value, 'format', 6) == 0) {
$p = strrpos($value, ")");
$end = substr($value, $p);
$format_strings = csstidy::parse_string_list(substr($value, 7, $p - 7));
if (!$format_strings) {
$value = "";
} else {
$value = "format(";
foreach ($format_strings as $format_string) {
$value .= '"' . str_replace('"', '\\"', $format_string) . '",';
}
$value = substr($value, 0, -1) . $end;
}
}
return $value;
}
/**
* Parses CSS in $string. The code is saved as array in $this->css
* @param string $string the CSS code
* @access public
* @return bool
* @version 1.1
*/
function parse($string)
{
// Temporarily set locale to en_US in order to handle floats properly
$old = @setlocale(LC_ALL, 0);
@setlocale(LC_ALL, 'C');
// PHP bug? Settings need to be refreshed in PHP4
$this->print = new csstidy_print($this);
//$this->optimise = new csstidy_optimise($this);
$all_properties =& $GLOBALS['csstidy']['all_properties'];
$at_rules =& $GLOBALS['csstidy']['at_rules'];
$quoted_string_properties =& $GLOBALS['csstidy']['quoted_string_properties'];
$this->css = array();
$this->print->input_css = $string;
$string = str_replace("\r\n", "\n", $string) . ' ';
$cur_comment = '';
for ($i = 0, $size = strlen($string); $i < $size; $i++) {
if ($string[$i] === "\n" || $string[$i] === "\r") {
++$this->line;
}
switch ($this->status) {
/* Case in at-block */
case 'at':
if (csstidy::is_token($string, $i)) {
if ($string[$i] === '/' && @$string[$i + 1] === '*') {
$this->status = 'ic';
++$i;
$this->from[] = 'at';
} elseif ($string[$i] === '{') {
$this->status = 'is';
$this->at = $this->css_new_media_section($this->at);
$this->_add_token(AT_START, $this->at);
} elseif ($string[$i] === ',') {
$this->at = trim($this->at) . ',';
} elseif ($string[$i] === '\\') {
$this->at .= $this->_unicode($string, $i);
} elseif (in_array($string[$i], array('(', ')', ':', '.', '/'))) {
$this->at .= $string[$i];
}
} else {
$lastpos = strlen($this->at) - 1;
if (!((ctype_space($this->at[$lastpos]) || csstidy::is_token($this->at, $lastpos) && $this->at[$lastpos] === ',') && ctype_space($string[$i]))) {
$this->at .= $string[$i];
}
}
break;
/* Case in-selector */
/* Case in-selector */
case 'is':
if (csstidy::is_token($string, $i)) {
if ($string[$i] === '/' && @$string[$i + 1] === '*' && trim($this->selector) == '') {
$this->status = 'ic';
++$i;
$this->from[] = 'is';
} elseif ($string[$i] === '@' && trim($this->selector) == '') {
// Check for at-rule
$this->invalid_at = true;
foreach ($at_rules as $name => $type) {
if (!strcasecmp(substr($string, $i + 1, strlen($name)), $name)) {
$type === 'at' ? $this->at = '@' . $name : ($this->selector = '@' . $name);
$this->status = $type;
$i += strlen($name);
$this->invalid_at = false;
}
}
if ($this->invalid_at) {
$this->selector = '@';
$invalid_at_name = '';
for ($j = $i + 1; $j < $size; ++$j) {
if (!ctype_alpha($string[$j])) {
break;
}
$invalid_at_name .= $string[$j];
}
$this->log('Invalid @-rule: ' . $invalid_at_name . ' (removed)', 'Warning');
}
} elseif ($string[$i] === '"' || $string[$i] === "'") {
$this->cur_string[] = $string[$i];
$this->status = 'instr';
$this->str_char[] = $string[$i];
$this->from[] = 'is';
/* fixing CSS3 attribute selectors, i.e. a[href$=".mp3" */
$this->quoted_string[] = $string[$i - 1] == '=';
} elseif ($this->invalid_at && $string[$i] === ';') {
$this->invalid_at = false;
$this->status = 'is';
} elseif ($string[$i] === '{') {
$this->status = 'ip';
if ($this->at == '') {
$this->at = $this->css_new_media_section(DEFAULT_AT);
}
$this->selector = $this->css_new_selector($this->at, $this->selector);
$this->_add_token(SEL_START, $this->selector);
$this->added = false;
} elseif ($string[$i] === '}') {
$this->_add_token(AT_END, $this->at);
$this->at = '';
$this->selector = '';
$this->sel_separate = array();
} elseif ($string[$i] === ',') {
$this->selector = trim($this->selector) . ',';
$this->sel_separate[] = strlen($this->selector);
} elseif ($string[$i] === '\\') {
$this->selector .= $this->_unicode($string, $i);
} elseif ($string[$i] === '*' && @in_array($string[$i + 1], array('.', '#', '[', ':'))) {
// remove unnecessary universal selector, FS#147
} else {
$this->selector .= $string[$i];
}
} else {
$lastpos = strlen($this->selector) - 1;
if ($lastpos == -1 || !((ctype_space($this->selector[$lastpos]) || csstidy::is_token($this->selector, $lastpos) && $this->selector[$lastpos] === ',') && ctype_space($string[$i]))) {
$this->selector .= $string[$i];
} else {
if (ctype_space($string[$i]) && $this->get_cfg('preserve_css') && !$this->get_cfg('merge_selectors')) {
$this->selector .= $string[$i];
}
}
}
break;
/* Case in-property */
/* Case in-property */
case 'ip':
if (csstidy::is_token($string, $i)) {
if (($string[$i] === ':' || $string[$i] === '=') && $this->property != '') {
$this->status = 'iv';
if (!$this->get_cfg('discard_invalid_properties') || csstidy::property_is_valid($this->property)) {
$this->property = $this->css_new_property($this->at, $this->selector, $this->property);
$this->_add_token(PROPERTY, $this->property);
}
} elseif ($string[$i] === '/' && @$string[$i + 1] === '*' && $this->property == '') {
$this->status = 'ic';
++$i;
$this->from[] = 'ip';
} elseif ($string[$i] === '}') {
$this->explode_selectors();
$this->status = 'is';
$this->invalid_at = false;
$this->_add_token(SEL_END, $this->selector);
$this->selector = '';
$this->property = '';
} elseif ($string[$i] === ';') {
$this->property = '';
} elseif ($string[$i] === '\\') {
$this->property .= $this->_unicode($string, $i);
} elseif ($this->property == '' and !ctype_space($string[$i])) {
$this->property .= $string[$i];
}
} elseif (!ctype_space($string[$i])) {
$this->property .= $string[$i];
}
break;
/* Case in-value */
/* Case in-value */
case 'iv':
$pn = ($string[$i] === "\n" || $string[$i] === "\r") && $this->property_is_next($string, $i + 1) || $i == strlen($string) - 1;
if ((csstidy::is_token($string, $i) || $pn) && !($string[$i] == ',' && !ctype_space($string[$i + 1]))) {
if ($string[$i] === '/' && @$string[$i + 1] === '*') {
$this->status = 'ic';
++$i;
$this->from[] = 'iv';
} elseif ($string[$i] === '"' || $string[$i] === "'" || $string[$i] === '(') {
$this->cur_string[] = $string[$i];
$this->str_char[] = $string[$i] === '(' ? ')' : $string[$i];
$this->status = 'instr';
$this->from[] = 'iv';
$this->quoted_string[] = in_array(strtolower($this->property), $quoted_string_properties);
} elseif ($string[$i] === ',') {
$this->sub_value = trim($this->sub_value) . ',';
} elseif ($string[$i] === '\\') {
$this->sub_value .= $this->_unicode($string, $i);
} elseif ($string[$i] === ';' || $pn) {
if ($this->selector[0] === '@' && isset($at_rules[substr($this->selector, 1)]) && $at_rules[substr($this->selector, 1)] === 'iv') {
$this->status = 'is';
switch ($this->selector) {
case '@charset':
/* Add quotes to charset */
$this->sub_value_arr[] = '"' . trim($this->sub_value) . '"';
$this->charset = $this->sub_value_arr[0];
break;
case '@namespace':
/* Add quotes to namespace */
$this->sub_value_arr[] = '"' . trim($this->sub_value) . '"';
$this->namespace = implode(' ', $this->sub_value_arr);
break;
case '@import':
$this->sub_value = trim($this->sub_value);
if (empty($this->sub_value_arr)) {
// Quote URLs in imports only if they're not already inside url() and not already quoted.
if (substr($this->sub_value, 0, 4) != 'url(') {
if (!($this->sub_value[0] == substr($this->sub_value, -1) && in_array($this->sub_value[0], array("'", '"')))) {
$this->sub_value = '"' . $this->sub_value . '"';
}
}
}
$this->sub_value_arr[] = $this->sub_value;
$this->import[] = implode(' ', $this->sub_value_arr);
break;
}
$this->sub_value_arr = array();
$this->sub_value = '';
$this->selector = '';
$this->sel_separate = array();
} else {
$this->status = 'ip';
}
} elseif ($string[$i] !== '}') {
$this->sub_value .= $string[$i];
}
if (($string[$i] === '}' || $string[$i] === ';' || $pn) && !empty($this->selector)) {
if ($this->at == '') {
$this->at = $this->css_new_media_section(DEFAULT_AT);
}
// case settings
if ($this->get_cfg('lowercase_s')) {
$this->selector = strtolower($this->selector);
}
$this->property = strtolower($this->property);
$this->optimise->subvalue();
if ($this->sub_value != '') {
if (substr($this->sub_value, 0, 6) == 'format') {
$format_strings = csstidy::parse_string_list(substr($this->sub_value, 7, -1));
if (!$format_strings) {
$this->sub_value = "";
} else {
$this->sub_value = "format(";
foreach ($format_strings as $format_string) {
$this->sub_value .= '"' . str_replace('"', '\\"', $format_string) . '",';
}
$this->sub_value = substr($this->sub_value, 0, -1) . ")";
}
}
if ($this->sub_value != '') {
$this->sub_value_arr[] = $this->sub_value;
}
$this->sub_value = '';
}
$this->value = array_shift($this->sub_value_arr);
while (count($this->sub_value_arr)) {
//$this->value .= (substr($this->value,-1,1)==','?'':' ').array_shift($this->sub_value_arr);
$this->value .= ' ' . array_shift($this->sub_value_arr);
}
$this->optimise->value();
$valid = csstidy::property_is_valid($this->property);
if ((!$this->invalid_at || $this->get_cfg('preserve_css')) && (!$this->get_cfg('discard_invalid_properties') || $valid)) {
$this->css_add_property($this->at, $this->selector, $this->property, $this->value);
$this->_add_token(VALUE, $this->value);
$this->optimise->shorthands();
}
if (!$valid) {
if ($this->get_cfg('discard_invalid_properties')) {
$this->log('Removed invalid property: ' . $this->property, 'Warning');
} else {
$this->log('Invalid property in ' . strtoupper($this->get_cfg('css_level')) . ': ' . $this->property, 'Warning');
}
}
$this->property = '';
$this->sub_value_arr = array();
$this->value = '';
}
if ($string[$i] === '}') {
$this->explode_selectors();
$this->_add_token(SEL_END, $this->selector);
$this->status = 'is';
$this->invalid_at = false;
$this->selector = '';
}
} elseif (!$pn) {
$this->sub_value .= $string[$i];
if (ctype_space($string[$i]) || $string[$i] == ',') {
$this->optimise->subvalue();
if ($this->sub_value != '') {
$this->sub_value_arr[] = $this->sub_value;
$this->sub_value = '';
}
}
}
break;
/* Case in string */
/* Case in string */
case 'instr':
$_str_char = $this->str_char[count($this->str_char) - 1];
$_cur_string = $this->cur_string[count($this->cur_string) - 1];
$temp_add = $string[$i];
// Add another string to the stack. Strings can't be nested inside of quotes, only parentheses, but
// parentheticals can be nested more than once.
if ($_str_char === ")" && ($string[$i] === "(" || $string[$i] === '"' || $string[$i] === '\'') && !csstidy::escaped($string, $i)) {
$this->cur_string[] = $string[$i];
$this->str_char[] = $string[$i] == "(" ? ")" : $string[$i];
$this->from[] = 'instr';
$this->quoted_string[] = !($string[$i] === "(");
continue;
}
if ($_str_char !== ")" && ($string[$i] === "\n" || $string[$i] === "\r") && !($string[$i - 1] === '\\' && !csstidy::escaped($string, $i - 1))) {
$temp_add = "\\A";
$this->log('Fixed incorrect newline in string', 'Warning');
}
$_cur_string .= $temp_add;
if ($string[$i] === $_str_char && !csstidy::escaped($string, $i)) {
$_quoted_string = array_pop($this->quoted_string);
$this->status = array_pop($this->from);
if (!preg_match('|[' . implode('', $GLOBALS['csstidy']['whitespace']) . ']|uis', $_cur_string) && $this->property !== 'content') {
if (!$_quoted_string) {
if ($_str_char !== ')') {
// Convert properties like
// font-family: 'Arial';
// to
// font-family: Arial;
// or
// url("abc")
// to
// url(abc)
$_cur_string = substr($_cur_string, 1, -1);
}
} else {
$_quoted_string = false;
}
}
array_pop($this->cur_string);
array_pop($this->str_char);
if ($_str_char === ")") {
$_cur_string = "(" . trim(substr($_cur_string, 1, -1)) . ")";
}
if ($this->status === 'iv') {
if (!$_quoted_string) {
if (strpos($_cur_string, ',') !== false) {
// we can on only remove space next to ','
$_cur_string = implode(',', array_map('trim', explode(',', $_cur_string)));
}
// and multiple spaces (too expensive)
if (strpos($_cur_string, ' ') !== false) {
$_cur_string = preg_replace(",\\s+,", " ", $_cur_string);
}
}
$this->sub_value .= $_cur_string;
} elseif ($this->status === 'is') {
$this->selector .= $_cur_string;
} elseif ($this->status === 'instr') {
$this->cur_string[count($this->cur_string) - 1] .= $_cur_string;
}
} else {
$this->cur_string[count($this->cur_string) - 1] = $_cur_string;
}
break;
/* Case in-comment */
/* Case in-comment */
case 'ic':
if ($string[$i] === '*' && $string[$i + 1] === '/') {
$this->status = array_pop($this->from);
$i++;
$this->_add_token(COMMENT, $cur_comment);
$cur_comment = '';
} else {
$cur_comment .= $string[$i];
}
break;
}
}
$this->optimise->postparse();
$this->print->_reset();
@setlocale(LC_ALL, $old);
// Set locale back to original setting
return !(empty($this->css) && empty($this->import) && empty($this->charset) && empty($this->tokens) && empty($this->namespace));
}
