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-rw-r--r--3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Font.php325
1 files changed, 176 insertions, 149 deletions
diff --git a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Font.php b/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Font.php
index 4e84fe883..579b97ef1 100644
--- a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Font.php
+++ b/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Font.php
@@ -1,149 +1,176 @@
-<?php
-
-/**
- * Validates shorthand CSS property font.
- */
-class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
-{
-
- /**
- * Local copy of component validators.
- *
- * @note If we moved specific CSS property definitions to their own
- * classes instead of having them be assembled at run time by
- * CSSDefinition, this wouldn't be necessary. We'd instantiate
- * our own copies.
- */
- protected $info = array();
-
- public function __construct($config) {
- $def = $config->getCSSDefinition();
- $this->info['font-style'] = $def->info['font-style'];
- $this->info['font-variant'] = $def->info['font-variant'];
- $this->info['font-weight'] = $def->info['font-weight'];
- $this->info['font-size'] = $def->info['font-size'];
- $this->info['line-height'] = $def->info['line-height'];
- $this->info['font-family'] = $def->info['font-family'];
- }
-
- public function validate($string, $config, $context) {
-
- static $system_fonts = array(
- 'caption' => true,
- 'icon' => true,
- 'menu' => true,
- 'message-box' => true,
- 'small-caption' => true,
- 'status-bar' => true
- );
-
- // regular pre-processing
- $string = $this->parseCDATA($string);
- if ($string === '') return false;
-
- // check if it's one of the keywords
- $lowercase_string = strtolower($string);
- if (isset($system_fonts[$lowercase_string])) {
- return $lowercase_string;
- }
-
- $bits = explode(' ', $string); // bits to process
- $stage = 0; // this indicates what we're looking for
- $caught = array(); // which stage 0 properties have we caught?
- $stage_1 = array('font-style', 'font-variant', 'font-weight');
- $final = ''; // output
-
- for ($i = 0, $size = count($bits); $i < $size; $i++) {
- if ($bits[$i] === '') continue;
- switch ($stage) {
-
- // attempting to catch font-style, font-variant or font-weight
- case 0:
- foreach ($stage_1 as $validator_name) {
- if (isset($caught[$validator_name])) continue;
- $r = $this->info[$validator_name]->validate(
- $bits[$i], $config, $context);
- if ($r !== false) {
- $final .= $r . ' ';
- $caught[$validator_name] = true;
- break;
- }
- }
- // all three caught, continue on
- if (count($caught) >= 3) $stage = 1;
- if ($r !== false) break;
-
- // attempting to catch font-size and perhaps line-height
- case 1:
- $found_slash = false;
- if (strpos($bits[$i], '/') !== false) {
- list($font_size, $line_height) =
- explode('/', $bits[$i]);
- if ($line_height === '') {
- // ooh, there's a space after the slash!
- $line_height = false;
- $found_slash = true;
- }
- } else {
- $font_size = $bits[$i];
- $line_height = false;
- }
- $r = $this->info['font-size']->validate(
- $font_size, $config, $context);
- if ($r !== false) {
- $final .= $r;
- // attempt to catch line-height
- if ($line_height === false) {
- // we need to scroll forward
- for ($j = $i + 1; $j < $size; $j++) {
- if ($bits[$j] === '') continue;
- if ($bits[$j] === '/') {
- if ($found_slash) {
- return false;
- } else {
- $found_slash = true;
- continue;
- }
- }
- $line_height = $bits[$j];
- break;
- }
- } else {
- // slash already found
- $found_slash = true;
- $j = $i;
- }
- if ($found_slash) {
- $i = $j;
- $r = $this->info['line-height']->validate(
- $line_height, $config, $context);
- if ($r !== false) {
- $final .= '/' . $r;
- }
- }
- $final .= ' ';
- $stage = 2;
- break;
- }
- return false;
-
- // attempting to catch font-family
- case 2:
- $font_family =
- implode(' ', array_slice($bits, $i, $size - $i));
- $r = $this->info['font-family']->validate(
- $font_family, $config, $context);
- if ($r !== false) {
- $final .= $r . ' ';
- // processing completed successfully
- return rtrim($final);
- }
- return false;
- }
- }
- return false;
- }
-
-}
-
-// vim: et sw=4 sts=4
+<?php
+
+/**
+ * Validates shorthand CSS property font.
+ */
+class HTMLPurifier_AttrDef_CSS_Font extends HTMLPurifier_AttrDef
+{
+
+ /**
+ * Local copy of validators
+ * @type HTMLPurifier_AttrDef[]
+ * @note If we moved specific CSS property definitions to their own
+ * classes instead of having them be assembled at run time by
+ * CSSDefinition, this wouldn't be necessary. We'd instantiate
+ * our own copies.
+ */
+ protected $info = array();
+
+ /**
+ * @param HTMLPurifier_Config $config
+ */
+ public function __construct($config)
+ {
+ $def = $config->getCSSDefinition();
+ $this->info['font-style'] = $def->info['font-style'];
+ $this->info['font-variant'] = $def->info['font-variant'];
+ $this->info['font-weight'] = $def->info['font-weight'];
+ $this->info['font-size'] = $def->info['font-size'];
+ $this->info['line-height'] = $def->info['line-height'];
+ $this->info['font-family'] = $def->info['font-family'];
+ }
+
+ /**
+ * @param string $string
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return bool|string
+ */
+ public function validate($string, $config, $context)
+ {
+ static $system_fonts = array(
+ 'caption' => true,
+ 'icon' => true,
+ 'menu' => true,
+ 'message-box' => true,
+ 'small-caption' => true,
+ 'status-bar' => true
+ );
+
+ // regular pre-processing
+ $string = $this->parseCDATA($string);
+ if ($string === '') {
+ return false;
+ }
+
+ // check if it's one of the keywords
+ $lowercase_string = strtolower($string);
+ if (isset($system_fonts[$lowercase_string])) {
+ return $lowercase_string;
+ }
+
+ $bits = explode(' ', $string); // bits to process
+ $stage = 0; // this indicates what we're looking for
+ $caught = array(); // which stage 0 properties have we caught?
+ $stage_1 = array('font-style', 'font-variant', 'font-weight');
+ $final = ''; // output
+
+ for ($i = 0, $size = count($bits); $i < $size; $i++) {
+ if ($bits[$i] === '') {
+ continue;
+ }
+ switch ($stage) {
+ case 0: // attempting to catch font-style, font-variant or font-weight
+ foreach ($stage_1 as $validator_name) {
+ if (isset($caught[$validator_name])) {
+ continue;
+ }
+ $r = $this->info[$validator_name]->validate(
+ $bits[$i],
+ $config,
+ $context
+ );
+ if ($r !== false) {
+ $final .= $r . ' ';
+ $caught[$validator_name] = true;
+ break;
+ }
+ }
+ // all three caught, continue on
+ if (count($caught) >= 3) {
+ $stage = 1;
+ }
+ if ($r !== false) {
+ break;
+ }
+ case 1: // attempting to catch font-size and perhaps line-height
+ $found_slash = false;
+ if (strpos($bits[$i], '/') !== false) {
+ list($font_size, $line_height) =
+ explode('/', $bits[$i]);
+ if ($line_height === '') {
+ // ooh, there's a space after the slash!
+ $line_height = false;
+ $found_slash = true;
+ }
+ } else {
+ $font_size = $bits[$i];
+ $line_height = false;
+ }
+ $r = $this->info['font-size']->validate(
+ $font_size,
+ $config,
+ $context
+ );
+ if ($r !== false) {
+ $final .= $r;
+ // attempt to catch line-height
+ if ($line_height === false) {
+ // we need to scroll forward
+ for ($j = $i + 1; $j < $size; $j++) {
+ if ($bits[$j] === '') {
+ continue;
+ }
+ if ($bits[$j] === '/') {
+ if ($found_slash) {
+ return false;
+ } else {
+ $found_slash = true;
+ continue;
+ }
+ }
+ $line_height = $bits[$j];
+ break;
+ }
+ } else {
+ // slash already found
+ $found_slash = true;
+ $j = $i;
+ }
+ if ($found_slash) {
+ $i = $j;
+ $r = $this->info['line-height']->validate(
+ $line_height,
+ $config,
+ $context
+ );
+ if ($r !== false) {
+ $final .= '/' . $r;
+ }
+ }
+ $final .= ' ';
+ $stage = 2;
+ break;
+ }
+ return false;
+ case 2: // attempting to catch font-family
+ $font_family =
+ implode(' ', array_slice($bits, $i, $size - $i));
+ $r = $this->info['font-family']->validate(
+ $font_family,
+ $config,
+ $context
+ );
+ if ($r !== false) {
+ $final .= $r . ' ';
+ // processing completed successfully
+ return rtrim($final);
+ }
+ return false;
+ }
+ }
+ return false;
+ }
+}
+
+// vim: et sw=4 sts=4
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-26 00:36:18 +0000