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intl/chardet/src/nsCyrillicDetector.h@97036ab72558 (annotated)

intl/chardet/src/nsCyrillicDetector.h

Tue, 06 Jan 2015 21:39:09 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Tue, 06 Jan 2015 21:39:09 +0100

branch

TOR_BUG_9701

changeset 8

97036ab72558

permissions

-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0	1	/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5	#ifndef nsCyrillicDetector_h__
michael@0	6	#define nsCyrillicDetector_h__
michael@0	7
michael@0	8	#include "nsCyrillicClass.h"
michael@0	9
michael@0	10
michael@0	11
michael@0	12
michael@0	13	// {2002F781-3960-11d3-B3C3-00805F8A6670}
michael@0	14	#define NS_RU_PROBDETECTOR_CID \
michael@0	15	{ 0x2002f781, 0x3960, 0x11d3, { 0xb3, 0xc3, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }
michael@0	16
michael@0	17
michael@0	18	// {2002F782-3960-11d3-B3C3-00805F8A6670}
michael@0	19	#define NS_UK_PROBDETECTOR_CID \
michael@0	20	{ 0x2002f782, 0x3960, 0x11d3, { 0xb3, 0xc3, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }
michael@0	21
michael@0	22	// {2002F783-3960-11d3-B3C3-00805F8A6670}
michael@0	23	#define NS_RU_STRING_PROBDETECTOR_CID \
michael@0	24	{ 0x2002f783, 0x3960, 0x11d3, { 0xb3, 0xc3, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }
michael@0	25
michael@0	26	// {2002F784-3960-11d3-B3C3-00805F8A6670}
michael@0	27	#define NS_UK_STRING_PROBDETECTOR_CID \
michael@0	28	{ 0x2002f784, 0x3960, 0x11d3, { 0xb3, 0xc3, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }
michael@0	29
michael@0	30	static const uint8_t *gCyrillicCls[5] =
michael@0	31	{
michael@0	32	CP1251Map,
michael@0	33	KOI8Map,
michael@0	34	ISO88595Map,
michael@0	35	MacCyrillicMap,
michael@0	36	IBM866Map
michael@0	37	};
michael@0	38
michael@0	39	static const char * gRussian[5] = {
michael@0	40	"windows-1251",
michael@0	41	"KOI8-R",
michael@0	42	"ISO-8859-5",
michael@0	43	"x-mac-cyrillic",
michael@0	44	"IBM866"
michael@0	45	};
michael@0	46
michael@0	47	static const char * gUkrainian[5] = {
michael@0	48	"windows-1251",
michael@0	49	"KOI8-U",
michael@0	50	"ISO-8859-5",
michael@0	51	"x-mac-cyrillic",
michael@0	52	"IBM866"
michael@0	53	};
michael@0	54
michael@0	55	#define NUM_CYR_CHARSET 5
michael@0	56
michael@0	57	class nsCyrillicDetector
michael@0	58	{
michael@0	59	public:
michael@0	60	nsCyrillicDetector(uint8_t aItems,
michael@0	61	const uint8_t ** aCyrillicClass,
michael@0	62	const char **aCharsets) {
michael@0	63	mItems = aItems;
michael@0	64	mCyrillicClass = aCyrillicClass;
michael@0	65	mCharsets = aCharsets;
michael@0	66	for(unsigned i=0;i<mItems;i++)
michael@0	67	mProb[i] = mLastCls[i] =0;
michael@0	68	mDone = false;
michael@0	69	}
michael@0	70	virtual ~nsCyrillicDetector() {}
michael@0	71	virtual void HandleData(const char* aBuf, uint32_t aLen);
michael@0	72	virtual void DataEnd();
michael@0	73	protected:
michael@0	74	virtual void Report(const char* aCharset) = 0;
michael@0	75	bool mDone;
michael@0	76
michael@0	77	private:
michael@0	78	uint8_t mItems;
michael@0	79	const uint8_t ** mCyrillicClass;
michael@0	80	const char** mCharsets;
michael@0	81	uint32_t mProb[NUM_CYR_CHARSET];
michael@0	82	uint8_t mLastCls[NUM_CYR_CHARSET];
michael@0	83	};
michael@0	84
michael@0	85	class nsCyrXPCOMDetector :
michael@0	86	public nsCyrillicDetector,
michael@0	87	public nsICharsetDetector
michael@0	88	{
michael@0	89	public:
michael@0	90	// nsISupports interface
michael@0	91	NS_DECL_ISUPPORTS
michael@0	92	nsCyrXPCOMDetector(uint8_t aItems,
michael@0	93	const uint8_t ** aCyrillicClass,
michael@0	94	const char **aCharsets);
michael@0	95	virtual ~nsCyrXPCOMDetector();
michael@0	96	NS_IMETHOD Init(nsICharsetDetectionObserver* aObserver);
michael@0	97	NS_IMETHOD DoIt(const char* aBuf, uint32_t aLen, bool *oDontFeedMe);
michael@0	98	NS_IMETHOD Done();
michael@0	99	protected:
michael@0	100	virtual void Report(const char* aCharset);
michael@0	101	private:
michael@0	102	nsCOMPtr<nsICharsetDetectionObserver> mObserver;
michael@0	103	};
michael@0	104
michael@0	105	class nsCyrXPCOMStringDetector :
michael@0	106	public nsCyrillicDetector,
michael@0	107	public nsIStringCharsetDetector
michael@0	108	{
michael@0	109	public:
michael@0	110	// nsISupports interface
michael@0	111	NS_DECL_ISUPPORTS
michael@0	112	nsCyrXPCOMStringDetector(uint8_t aItems,
michael@0	113	const uint8_t ** aCyrillicClass,
michael@0	114	const char **aCharsets);
michael@0	115	virtual ~nsCyrXPCOMStringDetector();
michael@0	116	NS_IMETHOD DoIt(const char* aBuf, uint32_t aLen,
michael@0	117	const char** oCharset, nsDetectionConfident &oConf);
michael@0	118	protected:
michael@0	119	virtual void Report(const char* aCharset);
michael@0	120	private:
michael@0	121	nsCOMPtr<nsICharsetDetectionObserver> mObserver;
michael@0	122	const char* mResult;
michael@0	123	};
michael@0	124
michael@0	125	class nsRUProbDetector : public nsCyrXPCOMDetector
michael@0	126	{
michael@0	127	public:
michael@0	128	nsRUProbDetector()
michael@0	129	: nsCyrXPCOMDetector(5, gCyrillicCls, gRussian) {}
michael@0	130	};
michael@0	131
michael@0	132	class nsRUStringProbDetector : public nsCyrXPCOMStringDetector
michael@0	133	{
michael@0	134	public:
michael@0	135	nsRUStringProbDetector()
michael@0	136	: nsCyrXPCOMStringDetector(5, gCyrillicCls, gRussian) {}
michael@0	137	};
michael@0	138
michael@0	139	class nsUKProbDetector : public nsCyrXPCOMDetector
michael@0	140	{
michael@0	141	public:
michael@0	142	nsUKProbDetector()
michael@0	143	: nsCyrXPCOMDetector(5, gCyrillicCls, gUkrainian) {}
michael@0	144	};
michael@0	145
michael@0	146	class nsUKStringProbDetector : public nsCyrXPCOMStringDetector
michael@0	147	{
michael@0	148	public:
michael@0	149	nsUKStringProbDetector()
michael@0	150	: nsCyrXPCOMStringDetector(5, gCyrillicCls, gUkrainian) {}
michael@0	151	};
michael@0	152
michael@0	153	#endif