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idna.h
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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *******************************************************************************
5 * Copyright (C) 2010-2012, International Business Machines
6 * Corporation and others. All Rights Reserved.
7 *******************************************************************************
8 * file name: idna.h
9 * encoding: UTF-8
10 * tab size: 8 (not used)
11 * indentation:4
12 *
13 * created on: 2010mar05
14 * created by: Markus W. Scherer
15 */
16
17 #ifndef __IDNA_H__
18 #define __IDNA_H__
19
25 #include "unicode/utypes.h"
26
27 #if !UCONFIG_NO_IDNA
28
29 #include "unicode/bytestream.h"
30 #include "unicode/stringpiece.h"
31 #include "unicode/uidna.h"
32 #include "unicode/unistr.h"
33
34 U_NAMESPACE_BEGIN
35
36 class IDNAInfo;
37
50 class U_COMMON_API IDNA : public UObject {
51 public:
56 ~IDNA();
57
91 static IDNA *
92 createUTS46Instance(uint32_t options, UErrorCode &errorCode);
93
114 virtual UnicodeString &
115 labelToASCII(const UnicodeString &label, UnicodeString &dest,
116 IDNAInfo &info, UErrorCode &errorCode) const = 0;
117
136 virtual UnicodeString &
137 labelToUnicode(const UnicodeString &label, UnicodeString &dest,
138 IDNAInfo &info, UErrorCode &errorCode) const = 0;
139
160 virtual UnicodeString &
161 nameToASCII(const UnicodeString &name, UnicodeString &dest,
162 IDNAInfo &info, UErrorCode &errorCode) const = 0;
163
182 virtual UnicodeString &
183 nameToUnicode(const UnicodeString &name, UnicodeString &dest,
184 IDNAInfo &info, UErrorCode &errorCode) const = 0;
185
186 // UTF-8 versions of the processing methods ---------------------------- ***
187
202 virtual void
203 labelToASCII_UTF8(StringPiece label, ByteSink &dest,
204 IDNAInfo &info, UErrorCode &errorCode) const;
205
220 virtual void
221 labelToUnicodeUTF8(StringPiece label, ByteSink &dest,
222 IDNAInfo &info, UErrorCode &errorCode) const;
223
238 virtual void
239 nameToASCII_UTF8(StringPiece name, ByteSink &dest,
240 IDNAInfo &info, UErrorCode &errorCode) const;
241
256 virtual void
257 nameToUnicodeUTF8(StringPiece name, ByteSink &dest,
258 IDNAInfo &info, UErrorCode &errorCode) const;
259 };
260
261 class UTS46;
262
268 class U_COMMON_API IDNAInfo : public UMemory {
269 public:
274 IDNAInfo() : errors(0), labelErrors(0), isTransDiff(FALSE), isBiDi(FALSE), isOkBiDi(TRUE) {}
280 UBool hasErrors() const { return errors!=0; }
287 uint32_t getErrors() const { return errors; }
301 UBool isTransitionalDifferent() const { return isTransDiff; }
302
303 private:
304 friend class UTS46;
305
306 IDNAInfo(const IDNAInfo &other); // no copying
307 IDNAInfo &operator=(const IDNAInfo &other); // no copying
308
309 void reset() {
310 errors=labelErrors=0;
311 isTransDiff=FALSE;
312 isBiDi=FALSE;
313 isOkBiDi=TRUE;
314 }
315
316 uint32_t errors, labelErrors;
317 UBool isTransDiff;
318 UBool isBiDi;
319 UBool isOkBiDi;
320 };
321
322 U_NAMESPACE_END
323
324 #endif // UCONFIG_NO_IDNA
325 #endif // __IDNA_H__
icu::IDNAInfo
Output container for IDNA processing errors.
Definition: idna.h:268
icu::IDNAInfo::IDNAInfo
IDNAInfo()
Constructor for stack allocation.
Definition: idna.h:274
unistr.h
C++ API: Unicode String.
icu::ByteSink
A ByteSink can be filled with bytes.
Definition: bytestream.h:50
stringpiece.h
C++ API: StringPiece: Read-only byte string wrapper class.
U_NAMESPACE_BEGIN
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
Definition: uversion.h:131
icu::IDNAInfo::isTransitionalDifferent
UBool isTransitionalDifferent() const
Returns TRUE if transitional and nontransitional processing produce different results.
Definition: idna.h:301
bytestream.h
C++ API: Interface for writing bytes, and implementation classes.
TRUE
#define TRUE
The TRUE value of a UBool.
Definition: umachine.h:240
uidna.h
C API: Internationalizing Domain Names in Applications (IDNA)
U_NAMESPACE_END
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API.
Definition: uversion.h:132
UErrorCode
UErrorCode
Error code to replace exception handling, so that the code is compatible with all C++ compilers...
Definition: utypes.h:396
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
FALSE
#define FALSE
The FALSE value of a UBool.
Definition: umachine.h:244
U_COMMON_API
#define U_COMMON_API
Set to export library symbols from inside the common library, and to import them from outside...
Definition: utypes.h:359
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:286
icu::IDNAInfo::getErrors
uint32_t getErrors() const
Returns a bit set indicating IDNA processing errors.
Definition: idna.h:287
icu::IDNA
Abstract base class for IDNA processing.
Definition: idna.h:50
icu::StringPiece
A string-like object that points to a sized piece of memory.
Definition: stringpiece.h:54
icu::UObject
UObject is the common ICU "boilerplate" class.
Definition: uobject.h:223
icu::UMemory
UMemory is the common ICU base class.
Definition: uobject.h:112
UBool
int8_t UBool
The ICU boolean type.
Definition: umachine.h:236
icu::IDNAInfo::hasErrors
UBool hasErrors() const
Were there IDNA processing errors?
Definition: idna.h:280