[2674] | 1 | /* |
---|
| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
---|
| 3 | * contributor license agreements. See the NOTICE file distributed with |
---|
| 4 | * this work for additional information regarding copyright ownership. |
---|
| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
---|
| 6 | * (the "License"); you may not use this file except in compliance with |
---|
| 7 | * the License. You may obtain a copy of the License at |
---|
| 8 | * |
---|
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
---|
| 10 | * |
---|
| 11 | * Unless required by applicable law or agreed to in writing, software |
---|
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
---|
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
---|
| 14 | * See the License for the specific language governing permissions and |
---|
| 15 | * limitations under the License. |
---|
| 16 | */ |
---|
| 17 | |
---|
| 18 | /* |
---|
| 19 | * $Id: IconvGNUTransService.hpp 568078 2007-08-21 11:43:25Z amassari $ |
---|
| 20 | */ |
---|
| 21 | |
---|
| 22 | #ifndef ICONVGNUTRANSSERVICE_HPP |
---|
| 23 | #define ICONVGNUTRANSSERVICE_HPP |
---|
| 24 | |
---|
| 25 | #include <xercesc/util/TransService.hpp> |
---|
| 26 | |
---|
| 27 | |
---|
| 28 | #include <iconv.h> |
---|
| 29 | |
---|
| 30 | XERCES_CPP_NAMESPACE_BEGIN |
---|
| 31 | |
---|
| 32 | // --------------------------------------------------------------------------- |
---|
| 33 | // Libiconv wrapper (low-level conversion utilities collection) |
---|
| 34 | // --------------------------------------------------------------------------- |
---|
| 35 | |
---|
| 36 | class XMLUTIL_EXPORT IconvGNUWrapper |
---|
| 37 | { |
---|
| 38 | public: |
---|
| 39 | // ----------------------------------------------------------------------- |
---|
| 40 | // Constructors and Destructor |
---|
| 41 | // ----------------------------------------------------------------------- |
---|
| 42 | IconvGNUWrapper |
---|
| 43 | ( |
---|
| 44 | iconv_t cd_from, |
---|
| 45 | iconv_t cd_to, |
---|
| 46 | size_t uchsize, |
---|
| 47 | unsigned int ubo |
---|
| 48 | ); |
---|
| 49 | virtual ~IconvGNUWrapper(); |
---|
| 50 | |
---|
| 51 | // Convert "native unicode" character into XMLCh |
---|
| 52 | void mbcToXMLCh (const char *mbc, XMLCh *toRet) const; |
---|
| 53 | |
---|
| 54 | // Convert XMLCh into "native unicode" character |
---|
| 55 | void xmlChToMbc (XMLCh xch, char *mbc) const; |
---|
| 56 | |
---|
| 57 | // Return uppercase equivalent for XMLCh |
---|
| 58 | XMLCh toUpper (const XMLCh ch) const; |
---|
| 59 | |
---|
| 60 | // Return uppercase equivalent for XMLCh |
---|
| 61 | XMLCh toLower (const XMLCh ch) const; |
---|
| 62 | |
---|
| 63 | // Check if passed characters belongs to the :space: class |
---|
| 64 | virtual bool isSpace(const XMLCh toCheck) const; |
---|
| 65 | |
---|
| 66 | // Fill array of XMLCh characters with data, supplyed in the array |
---|
| 67 | // of "native unicode" characters. |
---|
| 68 | XMLCh* mbsToXML ( |
---|
| 69 | const char* mbs_str, |
---|
| 70 | size_t mbs_cnt, |
---|
| 71 | XMLCh* xml_str, |
---|
| 72 | size_t xml_cnt |
---|
| 73 | ) const; |
---|
| 74 | |
---|
| 75 | |
---|
| 76 | // Fill array of "native unicode" characters with data, supplyed |
---|
| 77 | // in the array of XMLCh characters. |
---|
| 78 | char* xmlToMbs |
---|
| 79 | ( |
---|
| 80 | const XMLCh* xml_str, |
---|
| 81 | size_t xml_cnt, |
---|
| 82 | char* mbs_str, |
---|
| 83 | size_t mbs_cnt |
---|
| 84 | ) const; |
---|
| 85 | |
---|
| 86 | // Wrapper aroung the iconv() for transcoding from the local charset |
---|
| 87 | size_t iconvFrom |
---|
| 88 | ( |
---|
| 89 | const char *fromPtr, |
---|
| 90 | size_t *fromLen, |
---|
| 91 | char **toPtr, |
---|
| 92 | size_t toLen |
---|
| 93 | ) const; |
---|
| 94 | |
---|
| 95 | // Wrapper aroung the iconv() for transcoding to the local charset |
---|
| 96 | size_t iconvTo |
---|
| 97 | ( |
---|
| 98 | const char *fromPtr, |
---|
| 99 | size_t *fromLen, |
---|
| 100 | char **toPtr, |
---|
| 101 | size_t toLen |
---|
| 102 | ) const; |
---|
| 103 | |
---|
| 104 | // Private data accessors |
---|
| 105 | inline iconv_t cdTo () const { return fCDTo; } |
---|
| 106 | inline iconv_t cdFrom () const { return fCDFrom; } |
---|
| 107 | inline size_t uChSize () const { return fUChSize; } |
---|
| 108 | inline unsigned int UBO () const { return fUBO; } |
---|
| 109 | |
---|
| 110 | protected: |
---|
| 111 | |
---|
| 112 | // Hiden defaull constructor |
---|
| 113 | IconvGNUWrapper(); |
---|
| 114 | |
---|
| 115 | // Private data accessors |
---|
| 116 | inline void setCDTo (iconv_t cd) { fCDTo = cd; } |
---|
| 117 | inline void setCDFrom (iconv_t cd) { fCDFrom = cd; } |
---|
| 118 | inline void setUChSize (size_t sz) { fUChSize = sz; } |
---|
| 119 | inline void setUBO (unsigned int u) { fUBO = u; } |
---|
| 120 | |
---|
| 121 | private: |
---|
| 122 | // ----------------------------------------------------------------------- |
---|
| 123 | // Unimplemented constructors and operators |
---|
| 124 | // ----------------------------------------------------------------------- |
---|
| 125 | IconvGNUWrapper(const IconvGNUWrapper&); |
---|
| 126 | IconvGNUWrapper& operator=(const IconvGNUWrapper&); |
---|
| 127 | |
---|
| 128 | // ----------------------------------------------------------------------- |
---|
| 129 | // Private data members |
---|
| 130 | // |
---|
| 131 | // fCDTo |
---|
| 132 | // Characterset conversion descriptor TO the local-host encoding |
---|
| 133 | // fCDFrom |
---|
| 134 | // Characterset conversion descriptor FROM the local-host encoding |
---|
| 135 | // fUChSize |
---|
| 136 | // Sizeof the "native unicode" character in bytes |
---|
| 137 | // fUBO |
---|
| 138 | // "Native unicode" characters byte order |
---|
| 139 | // ----------------------------------------------------------------------- |
---|
| 140 | size_t fUChSize; |
---|
| 141 | unsigned int fUBO; |
---|
| 142 | iconv_t fCDTo; |
---|
| 143 | iconv_t fCDFrom; |
---|
| 144 | }; |
---|
| 145 | |
---|
| 146 | |
---|
| 147 | |
---|
| 148 | // --------------------------------------------------------------------------- |
---|
| 149 | // FreeBSD-specific Transcoding Service implementation |
---|
| 150 | // --------------------------------------------------------------------------- |
---|
| 151 | |
---|
| 152 | class XMLUTIL_EXPORT IconvGNUTransService : public XMLTransService, IconvGNUWrapper |
---|
| 153 | { |
---|
| 154 | public : |
---|
| 155 | // ----------------------------------------------------------------------- |
---|
| 156 | // Constructors and Destructor |
---|
| 157 | // ----------------------------------------------------------------------- |
---|
| 158 | IconvGNUTransService(); |
---|
| 159 | ~IconvGNUTransService(); |
---|
| 160 | |
---|
| 161 | |
---|
| 162 | // ----------------------------------------------------------------------- |
---|
| 163 | // Implementation of the virtual transcoding service API |
---|
| 164 | // ----------------------------------------------------------------------- |
---|
| 165 | virtual int compareIString |
---|
| 166 | ( |
---|
| 167 | const XMLCh* const comp1 |
---|
| 168 | , const XMLCh* const comp2 |
---|
| 169 | ); |
---|
| 170 | |
---|
| 171 | virtual int compareNIString |
---|
| 172 | ( |
---|
| 173 | const XMLCh* const comp1 |
---|
| 174 | , const XMLCh* const comp2 |
---|
| 175 | , const unsigned int maxChars |
---|
| 176 | ); |
---|
| 177 | |
---|
| 178 | virtual const XMLCh* getId() const; |
---|
| 179 | |
---|
| 180 | virtual bool isSpace(const XMLCh toCheck) const; |
---|
| 181 | |
---|
| 182 | virtual XMLLCPTranscoder* makeNewLCPTranscoder(); |
---|
| 183 | |
---|
| 184 | virtual bool supportsSrcOfs() const; |
---|
| 185 | |
---|
| 186 | virtual void upperCase(XMLCh* const toUpperCase) const; |
---|
| 187 | virtual void lowerCase(XMLCh* const toUpperCase) const; |
---|
| 188 | |
---|
| 189 | protected : |
---|
| 190 | // ----------------------------------------------------------------------- |
---|
| 191 | // Protected virtual methods |
---|
| 192 | // ----------------------------------------------------------------------- |
---|
| 193 | virtual XMLTranscoder* makeNewXMLTranscoder |
---|
| 194 | ( |
---|
| 195 | const XMLCh* const encodingName |
---|
| 196 | , XMLTransService::Codes& resValue |
---|
| 197 | , const unsigned int blockSize |
---|
| 198 | , MemoryManager* const manager |
---|
| 199 | ); |
---|
| 200 | |
---|
| 201 | |
---|
| 202 | private : |
---|
| 203 | // ----------------------------------------------------------------------- |
---|
| 204 | // Unimplemented constructors and operators |
---|
| 205 | // ----------------------------------------------------------------------- |
---|
| 206 | IconvGNUTransService(const IconvGNUTransService&); |
---|
| 207 | IconvGNUTransService& operator=(const IconvGNUTransService&); |
---|
| 208 | |
---|
| 209 | |
---|
| 210 | // ----------------------------------------------------------------------- |
---|
| 211 | // Private data members |
---|
| 212 | // |
---|
| 213 | // fUnicodeCP |
---|
| 214 | // Unicode encoding schema name |
---|
| 215 | // ----------------------------------------------------------------------- |
---|
| 216 | const char* fUnicodeCP; |
---|
| 217 | |
---|
| 218 | }; |
---|
| 219 | |
---|
| 220 | |
---|
| 221 | //---------------------------------------------------------------------------- |
---|
| 222 | // Implementation of the transcoders for arbitrary input characterset is |
---|
| 223 | // supported ONLY through libiconv interface |
---|
| 224 | //---------------------------------------------------------------------------- |
---|
| 225 | |
---|
| 226 | class XMLUTIL_EXPORT IconvGNUTranscoder : public XMLTranscoder, IconvGNUWrapper |
---|
| 227 | { |
---|
| 228 | public : |
---|
| 229 | // ----------------------------------------------------------------------- |
---|
| 230 | // Constructors and Destructor |
---|
| 231 | // ----------------------------------------------------------------------- |
---|
| 232 | IconvGNUTranscoder(const XMLCh* const encodingName |
---|
| 233 | , const unsigned int blockSize |
---|
| 234 | , iconv_t cd_from |
---|
| 235 | , iconv_t cd_to |
---|
| 236 | , size_t uchsize |
---|
| 237 | , unsigned int ubo |
---|
| 238 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
---|
| 239 | ); |
---|
| 240 | ~IconvGNUTranscoder(); |
---|
| 241 | |
---|
| 242 | |
---|
| 243 | // ----------------------------------------------------------------------- |
---|
| 244 | // Implementation of the virtual transcoder interface |
---|
| 245 | // ----------------------------------------------------------------------- |
---|
| 246 | virtual unsigned int transcodeFrom |
---|
| 247 | ( |
---|
| 248 | const XMLByte* const srcData |
---|
| 249 | , const unsigned int srcCount |
---|
| 250 | , XMLCh* const toFill |
---|
| 251 | , const unsigned int maxChars |
---|
| 252 | , unsigned int& bytesEaten |
---|
| 253 | , unsigned char* const charSizes |
---|
| 254 | ); |
---|
| 255 | |
---|
| 256 | virtual unsigned int transcodeTo |
---|
| 257 | ( |
---|
| 258 | const XMLCh* const srcData |
---|
| 259 | , const unsigned int srcCount |
---|
| 260 | , XMLByte* const toFill |
---|
| 261 | , const unsigned int maxBytes |
---|
| 262 | , unsigned int& charsEaten |
---|
| 263 | , const UnRepOpts options |
---|
| 264 | ); |
---|
| 265 | |
---|
| 266 | virtual bool canTranscodeTo |
---|
| 267 | ( |
---|
| 268 | const unsigned int toCheck |
---|
| 269 | ) const; |
---|
| 270 | |
---|
| 271 | private : |
---|
| 272 | // ----------------------------------------------------------------------- |
---|
| 273 | // Unimplemented constructors and operators |
---|
| 274 | // ----------------------------------------------------------------------- |
---|
| 275 | IconvGNUTranscoder(); |
---|
| 276 | IconvGNUTranscoder(const IconvGNUTranscoder&); |
---|
| 277 | IconvGNUTranscoder& operator=(const IconvGNUTranscoder&); |
---|
| 278 | }; |
---|
| 279 | |
---|
| 280 | |
---|
| 281 | // --------------------------------------------------------------------------- |
---|
| 282 | // GNU-specific XMLCh <-> local (host) characterset transcoder |
---|
| 283 | // --------------------------------------------------------------------------- |
---|
| 284 | |
---|
| 285 | class XMLUTIL_EXPORT IconvGNULCPTranscoder : public XMLLCPTranscoder, IconvGNUWrapper |
---|
| 286 | { |
---|
| 287 | public : |
---|
| 288 | // ----------------------------------------------------------------------- |
---|
| 289 | // Constructors and Destructor |
---|
| 290 | // ----------------------------------------------------------------------- |
---|
| 291 | |
---|
| 292 | IconvGNULCPTranscoder |
---|
| 293 | ( |
---|
| 294 | iconv_t from, |
---|
| 295 | iconv_t to, |
---|
| 296 | size_t uchsize, |
---|
| 297 | unsigned int ubo |
---|
| 298 | ); |
---|
| 299 | |
---|
| 300 | protected: |
---|
| 301 | IconvGNULCPTranscoder(); // Unimplemented |
---|
| 302 | |
---|
| 303 | public: |
---|
| 304 | |
---|
| 305 | ~IconvGNULCPTranscoder(); |
---|
| 306 | |
---|
| 307 | |
---|
| 308 | // ----------------------------------------------------------------------- |
---|
| 309 | // Implementation of the virtual transcoder interface |
---|
| 310 | // ----------------------------------------------------------------------- |
---|
| 311 | virtual unsigned int calcRequiredSize(const char* const srcText |
---|
| 312 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
---|
| 313 | |
---|
| 314 | virtual unsigned int calcRequiredSize(const XMLCh* const srcText |
---|
| 315 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
---|
| 316 | |
---|
| 317 | virtual char* transcode(const XMLCh* const toTranscode); |
---|
| 318 | virtual char* transcode(const XMLCh* const toTranscode, |
---|
| 319 | MemoryManager* const manager); |
---|
| 320 | |
---|
| 321 | virtual bool transcode |
---|
| 322 | ( |
---|
| 323 | const XMLCh* const toTranscode |
---|
| 324 | , char* const toFill |
---|
| 325 | , const unsigned int maxBytes |
---|
| 326 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
---|
| 327 | ); |
---|
| 328 | |
---|
| 329 | virtual XMLCh* transcode(const char* const toTranscode); |
---|
| 330 | virtual XMLCh* transcode(const char* const toTranscode, |
---|
| 331 | MemoryManager* const manager); |
---|
| 332 | |
---|
| 333 | virtual bool transcode |
---|
| 334 | ( |
---|
| 335 | const char* const toTranscode |
---|
| 336 | , XMLCh* const toFill |
---|
| 337 | , const unsigned int maxChars |
---|
| 338 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
---|
| 339 | ); |
---|
| 340 | |
---|
| 341 | |
---|
| 342 | private : |
---|
| 343 | // ----------------------------------------------------------------------- |
---|
| 344 | // Unimplemented constructors and operators |
---|
| 345 | // ----------------------------------------------------------------------- |
---|
| 346 | IconvGNULCPTranscoder(const IconvGNULCPTranscoder&); |
---|
| 347 | IconvGNULCPTranscoder& operator=(const IconvGNULCPTranscoder&); |
---|
| 348 | }; |
---|
| 349 | |
---|
| 350 | XERCES_CPP_NAMESPACE_END |
---|
| 351 | |
---|
| 352 | #endif /* ICONVGNUTRANSSERVICE */ |
---|
| 353 | |
---|