mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-06-08 20:29:36 +00:00
87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef nsUrlClassifierUtils_h_
|
|
#define nsUrlClassifierUtils_h_
|
|
|
|
#include "nsAutoPtr.h"
|
|
#include "nsIUrlClassifierUtils.h"
|
|
|
|
class nsUrlClassifierUtils final : public nsIUrlClassifierUtils
|
|
{
|
|
private:
|
|
/**
|
|
* A fast, bit-vector map for ascii characters.
|
|
*
|
|
* Internally stores 256 bits in an array of 8 ints.
|
|
* Does quick bit-flicking to lookup needed characters.
|
|
*/
|
|
class Charmap
|
|
{
|
|
public:
|
|
Charmap(uint32_t b0, uint32_t b1, uint32_t b2, uint32_t b3,
|
|
uint32_t b4, uint32_t b5, uint32_t b6, uint32_t b7)
|
|
{
|
|
mMap[0] = b0; mMap[1] = b1; mMap[2] = b2; mMap[3] = b3;
|
|
mMap[4] = b4; mMap[5] = b5; mMap[6] = b6; mMap[7] = b7;
|
|
}
|
|
|
|
/**
|
|
* Do a quick lookup to see if the letter is in the map.
|
|
*/
|
|
bool Contains(unsigned char c) const
|
|
{
|
|
return mMap[c >> 5] & (1 << (c & 31));
|
|
}
|
|
|
|
private:
|
|
// Store the 256 bits in an 8 byte array.
|
|
uint32_t mMap[8];
|
|
};
|
|
|
|
|
|
public:
|
|
nsUrlClassifierUtils();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIURLCLASSIFIERUTILS
|
|
|
|
nsresult Init();
|
|
|
|
nsresult CanonicalizeHostname(const nsACString & hostname,
|
|
nsACString & _retval);
|
|
nsresult CanonicalizePath(const nsACString & url, nsACString & _retval);
|
|
|
|
// This function will encode all "special" characters in typical url encoding,
|
|
// that is %hh where h is a valid hex digit. The characters which are encoded
|
|
// by this function are any ascii characters under 32(control characters and
|
|
// space), 37(%), and anything 127 or above (special characters). Url is the
|
|
// string to encode, ret is the encoded string. Function returns true if
|
|
// ret != url.
|
|
bool SpecialEncode(const nsACString & url,
|
|
bool foldSlashes,
|
|
nsACString & _retval);
|
|
|
|
void ParseIPAddress(const nsACString & host, nsACString & _retval);
|
|
void CanonicalNum(const nsACString & num,
|
|
uint32_t bytes,
|
|
bool allowOctal,
|
|
nsACString & _retval);
|
|
|
|
private:
|
|
~nsUrlClassifierUtils() {}
|
|
|
|
// Disallow copy constructor
|
|
nsUrlClassifierUtils(const nsUrlClassifierUtils&);
|
|
|
|
// Function to tell if we should encode a character.
|
|
bool ShouldURLEscape(const unsigned char c) const;
|
|
|
|
void CleanupHostname(const nsACString & host, nsACString & _retval);
|
|
|
|
nsAutoPtr<Charmap> mEscapeCharmap;
|
|
};
|
|
|
|
#endif // nsUrlClassifierUtils_h_
|