Merge pull request #481 from wallabag/dev1.5.2

1.5.2
author: Nicolas Lœuillet <nicolas@loeuillet.org> 2014-02-21 15:57:10 +0100
committer: Nicolas Lœuillet <nicolas@loeuillet.org> 2014-02-21 15:57:10 +0100
commit: 99679d06884120c57f43b44e55e03595f1f87bed (patch)
tree: a3f2a1aa1afdaeca1386d0c6e8a75344fd2241fb /inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef.php
parent: 655214ab30ee84884dc408488b85586f36263fcb (diff)
parent: d3b47e94705e17b3ba3529cbb1dc6efe69c5d2b7 (diff)
download: wallabag-99679d06884120c57f43b44e55e03595f1f87bed.tar.gz
wallabag-99679d06884120c57f43b44e55e03595f1f87bed.tar.zst
wallabag-99679d06884120c57f43b44e55e03595f1f87bed.zip
1 files changed, 138 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef.php
new file mode 100644
index 00000000..880d8f6d
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef.php
@@ -0,0 +1,138 @@
+<?php
+/**
+ * Base class for all validating attribute definitions.
+ *
+ * This family of classes forms the core for not only HTML attribute validation,
+ * but also any sort of string that needs to be validated or cleaned (which
+ * means CSS properties and composite definitions are defined here too).
+ * Besides defining (through code) what precisely makes the string valid,
+ * subclasses are also responsible for cleaning the code if possible.
+ */
+abstract class HTMLPurifier_AttrDef
+{
+    /**
+     * Tells us whether or not an HTML attribute is minimized.
+     * Has no meaning in other contexts.
+     * @type bool
+     */
+    public $minimized = false;
+    /**
+     * Tells us whether or not an HTML attribute is required.
+     * Has no meaning in other contexts
+     * @type bool
+     */
+    public $required = false;
+    /**
+     * Validates and cleans passed string according to a definition.
+     *
+     * @param string $string String to be validated and cleaned.
+     * @param HTMLPurifier_Config $config Mandatory HTMLPurifier_Config object.
+     * @param HTMLPurifier_Context $context Mandatory HTMLPurifier_Context object.
+     */
+    abstract public function validate($string, $config, $context);
+    /**
+     * Convenience method that parses a string as if it were CDATA.
+     *
+     * This method process a string in the manner specified at
+     * <http://www.w3.org/TR/html4/types.html#h-6.2> by removing
+     * leading and trailing whitespace, ignoring line feeds, and replacing
+     * carriage returns and tabs with spaces.  While most useful for HTML
+     * attributes specified as CDATA, it can also be applied to most CSS
+     * values.
+     *
+     * @note This method is not entirely standards compliant, as trim() removes
+     *       more types of whitespace than specified in the spec. In practice,
+     *       this is rarely a problem, as those extra characters usually have
+     *       already been removed by HTMLPurifier_Encoder.
+     *
+     * @warning This processing is inconsistent with XML's whitespace handling
+     *          as specified by section 3.3.3 and referenced XHTML 1.0 section
+     *          4.7.  However, note that we are NOT necessarily
+     *          parsing XML, thus, this behavior may still be correct. We
+     *          assume that newlines have been normalized.
+     */
+    public function parseCDATA($string)
+    {
+        $string = trim($string);
+        $string = str_replace(array("\n", "\t", "\r"), ' ', $string);
+        return $string;
+    }
+    /**
+     * Factory method for creating this class from a string.
+     * @param string $string String construction info
+     * @return HTMLPurifier_AttrDef Created AttrDef object corresponding to $string
+     */
+    public function make($string)
+    {
+        // default implementation, return a flyweight of this object.
+        // If $string has an effect on the returned object (i.e. you
+        // need to overload this method), it is best
+        // to clone or instantiate new copies. (Instantiation is safer.)
+        return $this;
+    }
+    /**
+     * Removes spaces from rgb(0, 0, 0) so that shorthand CSS properties work
+     * properly. THIS IS A HACK!
+     * @param string $string a CSS colour definition
+     * @return string
+     */
+    protected function mungeRgb($string)
+    {
+        return preg_replace('/rgb\((\d+)\s*,\s*(\d+)\s*,\s*(\d+)\)/', 'rgb(\1,\2,\3)', $string);
+    }
+    /**
+     * Parses a possibly escaped CSS string and returns the "pure"
+     * version of it.
+     */
+    protected function expandCSSEscape($string)
+    {
+        // flexibly parse it
+        $ret = '';
+        for ($i = 0, $c = strlen($string); $i < $c; $i++) {
+            if ($string[$i] === '\\') {
+                $i++;
+                if ($i >= $c) {
+                    $ret .= '\\';
+                    break;
+                }
+                if (ctype_xdigit($string[$i])) {
+                    $code = $string[$i];
+                    for ($a = 1, $i++; $i < $c && $a < 6; $i++, $a++) {
+                        if (!ctype_xdigit($string[$i])) {
+                            break;
+                        }
+                        $code .= $string[$i];
+                    }
+                    // We have to be extremely careful when adding
+                    // new characters, to make sure we're not breaking
+                    // the encoding.
+                    $char = HTMLPurifier_Encoder::unichr(hexdec($code));
+                    if (HTMLPurifier_Encoder::cleanUTF8($char) === '') {
+                        continue;
+                    }
+                    $ret .= $char;
+                    if ($i < $c && trim($string[$i]) !== '') {
+                        $i--;
+                    }
+                    continue;
+                }
+                if ($string[$i] === "\n") {
+                    continue;
+                }
+            }
+            $ret .= $string[$i];
+        }
+        return $ret;
+    }
+}
+// vim: et sw=4 sts=4
author	Nicolas Lœuillet <nicolas@loeuillet.org>	2014-02-21 15:57:10 +0100
committer	Nicolas Lœuillet <nicolas@loeuillet.org>	2014-02-21 15:57:10 +0100
commit	99679d06884120c57f43b44e55e03595f1f87bed (patch)
tree	a3f2a1aa1afdaeca1386d0c6e8a75344fd2241fb /inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef.php
parent	655214ab30ee84884dc408488b85586f36263fcb (diff)
parent	d3b47e94705e17b3ba3529cbb1dc6efe69c5d2b7 (diff)
download	wallabag-99679d06884120c57f43b44e55e03595f1f87bed.tar.gz wallabag-99679d06884120c57f43b44e55e03595f1f87bed.tar.zst wallabag-99679d06884120c57f43b44e55e03595f1f87bed.zip

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef.php new file mode 100644 index 00000000..880d8f6d --- /dev/null +++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef.php
@@ -0,0 +1,138 @@
	1	<?php
	2
	3	/**
	4	* Base class for all validating attribute definitions.
	5	*
	6	* This family of classes forms the core for not only HTML attribute validation,
	7	* but also any sort of string that needs to be validated or cleaned (which
	8	* means CSS properties and composite definitions are defined here too).
	9	* Besides defining (through code) what precisely makes the string valid,
	10	* subclasses are also responsible for cleaning the code if possible.
	11	*/
	12
	13	abstract class HTMLPurifier_AttrDef
	14	{
	15
	16	/**
	17	* Tells us whether or not an HTML attribute is minimized.
	18	* Has no meaning in other contexts.
	19	* @type bool
	20	*/
	21	public $minimized = false;
	22
	23	/**
	24	* Tells us whether or not an HTML attribute is required.
	25	* Has no meaning in other contexts
	26	* @type bool
	27	*/
	28	public $required = false;
	29
	30	/**
	31	* Validates and cleans passed string according to a definition.
	32	*
	33	* @param string $string String to be validated and cleaned.
	34	* @param HTMLPurifier_Config $config Mandatory HTMLPurifier_Config object.
	35	* @param HTMLPurifier_Context $context Mandatory HTMLPurifier_Context object.
	36	*/
	37	abstract public function validate($string, $config, $context);
	38
	39	/**
	40	* Convenience method that parses a string as if it were CDATA.
	41	*
	42	* This method process a string in the manner specified at
	43	* <http://www.w3.org/TR/html4/types.html#h-6.2> by removing
	44	* leading and trailing whitespace, ignoring line feeds, and replacing
	45	* carriage returns and tabs with spaces. While most useful for HTML
	46	* attributes specified as CDATA, it can also be applied to most CSS
	47	* values.
	48	*
	49	* @note This method is not entirely standards compliant, as trim() removes
	50	* more types of whitespace than specified in the spec. In practice,
	51	* this is rarely a problem, as those extra characters usually have
	52	* already been removed by HTMLPurifier_Encoder.
	53	*
	54	* @warning This processing is inconsistent with XML's whitespace handling
	55	* as specified by section 3.3.3 and referenced XHTML 1.0 section
	56	* 4.7. However, note that we are NOT necessarily
	57	* parsing XML, thus, this behavior may still be correct. We
	58	* assume that newlines have been normalized.
	59	*/
	60	public function parseCDATA($string)
	61	{
	62	$string = trim($string);
	63	$string = str_replace(array("\n", "\t", "\r"), ' ', $string);
	64	return $string;
	65	}
	66
	67	/**
	68	* Factory method for creating this class from a string.
	69	* @param string $string String construction info
	70	* @return HTMLPurifier_AttrDef Created AttrDef object corresponding to $string
	71	*/
	72	public function make($string)
	73	{
	74	// default implementation, return a flyweight of this object.
	75	// If $string has an effect on the returned object (i.e. you
	76	// need to overload this method), it is best
	77	// to clone or instantiate new copies. (Instantiation is safer.)
	78	return $this;
	79	}
	80
	81	/**
	82	* Removes spaces from rgb(0, 0, 0) so that shorthand CSS properties work
	83	* properly. THIS IS A HACK!
	84	* @param string $string a CSS colour definition
	85	* @return string
	86	*/
	87	protected function mungeRgb($string)
	88	{
	89	return preg_replace('/rgb\((\d+)\s,\s(\d+)\s,\s(\d+)\)/', 'rgb(\1,\2,\3)', $string);
	90	}
	91
	92	/**
	93	* Parses a possibly escaped CSS string and returns the "pure"
	94	* version of it.
	95	*/
	96	protected function expandCSSEscape($string)
	97	{
	98	// flexibly parse it
	99	$ret = '';
	100	for ($i = 0, $c = strlen($string); $i < $c; $i++) {
	101	if ($string[$i] === '\\') {
	102	$i++;
	103	if ($i >= $c) {
	104	$ret .= '\\';
	105	break;
	106	}
	107	if (ctype_xdigit($string[$i])) {
	108	$code = $string[$i];
	109	for ($a = 1, $i++; $i < $c && $a < 6; $i++, $a++) {
	110	if (!ctype_xdigit($string[$i])) {
	111	break;
	112	}
	113	$code .= $string[$i];
	114	}
	115	// We have to be extremely careful when adding
	116	// new characters, to make sure we're not breaking
	117	// the encoding.
	118	$char = HTMLPurifier_Encoder::unichr(hexdec($code));
	119	if (HTMLPurifier_Encoder::cleanUTF8($char) === '') {
	120	continue;
	121	}
	122	$ret .= $char;
	123	if ($i < $c && trim($string[$i]) !== '') {
	124	$i--;
	125	}
	126	continue;
	127	}
	128	if ($string[$i] === "\n") {
	129	continue;
	130	}
	131	}
	132	$ret .= $string[$i];
	133	}
	134	return $ret;
	135	}
	136	}
	137
	138	// vim: et sw=4 sts=4