| // Copyright Joyent, Inc. and other Node contributors. |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a |
| // copy of this software and associated documentation files (the |
| // "Software"), to deal in the Software without restriction, including |
| // without limitation the rights to use, copy, modify, merge, publish, |
| // distribute, sublicense, and/or sell copies of the Software, and to permit |
| // persons to whom the Software is furnished to do so, subject to the |
| // following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included |
| // in all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN |
| // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
| // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| // USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| #ifndef SRC_NODE_I18N_H_ |
| #define SRC_NODE_I18N_H_ |
| |
| #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS |
| |
| #if defined(NODE_HAVE_I18N_SUPPORT) |
| |
| #include "base_object.h" |
| #include "env.h" |
| #include "util.h" |
| #include "v8.h" |
| |
| #include <unicode/ucnv.h> |
| |
| #include <string> |
| |
| namespace node { |
| namespace i18n { |
| |
| bool InitializeICUDirectory(const std::string& path); |
| |
| enum idna_mode { |
| // Default mode for maximum compatibility. |
| IDNA_DEFAULT, |
| // Ignore all errors in IDNA conversion, if possible. |
| IDNA_LENIENT, |
| // Enforce STD3 rules (UseSTD3ASCIIRules) and DNS length restrictions |
| // (VerifyDnsLength). Corresponds to `beStrict` flag in the "domain to ASCII" |
| // algorithm. |
| IDNA_STRICT |
| }; |
| |
| // Implements the WHATWG URL Standard "domain to ASCII" algorithm. |
| // https://url.spec.whatwg.org/#concept-domain-to-ascii |
| int32_t ToASCII(MaybeStackBuffer<char>* buf, |
| const char* input, |
| size_t length, |
| enum idna_mode mode = IDNA_DEFAULT); |
| |
| // Implements the WHATWG URL Standard "domain to Unicode" algorithm. |
| // https://url.spec.whatwg.org/#concept-domain-to-unicode |
| int32_t ToUnicode(MaybeStackBuffer<char>* buf, |
| const char* input, |
| size_t length); |
| |
| struct ConverterDeleter { |
| void operator()(UConverter* pointer) const { ucnv_close(pointer); } |
| }; |
| using ConverterPointer = std::unique_ptr<UConverter, ConverterDeleter>; |
| |
| class Converter { |
| public: |
| explicit Converter(const char* name, const char* sub = nullptr); |
| explicit Converter(UConverter* converter, const char* sub = nullptr); |
| |
| UConverter* conv() const { return conv_.get(); } |
| |
| size_t max_char_size() const; |
| size_t min_char_size() const; |
| void reset(); |
| void set_subst_chars(const char* sub = nullptr); |
| |
| private: |
| ConverterPointer conv_; |
| }; |
| |
| class ConverterObject : public BaseObject, Converter { |
| public: |
| enum ConverterFlags { |
| CONVERTER_FLAGS_FLUSH = 0x1, |
| CONVERTER_FLAGS_FATAL = 0x2, |
| CONVERTER_FLAGS_IGNORE_BOM = 0x4, |
| CONVERTER_FLAGS_UNICODE = 0x8, |
| CONVERTER_FLAGS_BOM_SEEN = 0x10, |
| }; |
| |
| static void Create(const v8::FunctionCallbackInfo<v8::Value>& args); |
| static void Decode(const v8::FunctionCallbackInfo<v8::Value>& args); |
| static void Has(const v8::FunctionCallbackInfo<v8::Value>& args); |
| |
| SET_NO_MEMORY_INFO() |
| SET_MEMORY_INFO_NAME(ConverterObject) |
| SET_SELF_SIZE(ConverterObject) |
| |
| protected: |
| ConverterObject(Environment* env, |
| v8::Local<v8::Object> wrap, |
| UConverter* converter, |
| int flags, |
| const char* sub = nullptr); |
| |
| void set_bom_seen(bool seen) { |
| if (seen) |
| flags_ |= CONVERTER_FLAGS_BOM_SEEN; |
| else |
| flags_ &= ~CONVERTER_FLAGS_BOM_SEEN; |
| } |
| |
| bool bom_seen() const { |
| return (flags_ & CONVERTER_FLAGS_BOM_SEEN) == CONVERTER_FLAGS_BOM_SEEN; |
| } |
| |
| bool unicode() const { |
| return (flags_ & CONVERTER_FLAGS_UNICODE) == CONVERTER_FLAGS_UNICODE; |
| } |
| |
| bool ignore_bom() const { |
| return (flags_ & CONVERTER_FLAGS_IGNORE_BOM) == CONVERTER_FLAGS_IGNORE_BOM; |
| } |
| |
| private: |
| int flags_ = 0; |
| }; |
| |
| } // namespace i18n |
| } // namespace node |
| |
| #endif // NODE_HAVE_I18N_SUPPORT |
| |
| #endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS |
| |
| #endif // SRC_NODE_I18N_H_ |