1 | /*
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2 | * Copyright 1999-2000,2004 The Apache Software Foundation.
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3 | *
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | */
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16 |
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17 | /*
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18 | * $Log: ICUTransService.hpp,v $
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19 | * Revision 1.10 2004/09/08 13:56:44 peiyongz
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20 | * Apache License Version 2.0
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21 | *
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22 | * Revision 1.9 2003/12/24 15:24:15 cargilld
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23 | * More updates to memory management so that the static memory manager.
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24 | *
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25 | * Revision 1.8 2003/05/17 16:32:17 knoaman
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26 | * Memory manager implementation : transcoder update.
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27 | *
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28 | * Revision 1.7 2003/05/15 18:47:03 knoaman
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29 | * Partial implementation of the configurable memory manager.
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30 | *
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31 | * Revision 1.6 2003/03/07 18:15:57 tng
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32 | * Return a reference instead of void for operator=
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33 | *
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34 | * Revision 1.5 2002/11/22 14:56:47 tng
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35 | * 390: Uniconv390 support. Patch by Chris Larsson and Stephen Dulin.
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36 | *
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37 | * Revision 1.4 2002/11/11 14:08:01 tng
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38 | * Fix: UConverter should be declared outside xerces-c++ namespace
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39 | *
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40 | * Revision 1.3 2002/11/04 15:14:33 tng
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41 | * C++ Namespace Support.
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42 | *
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43 | * Revision 1.2 2002/04/09 15:44:00 knoaman
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44 | * Add lower case string support.
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45 | *
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46 | * Revision 1.1.1.1 2002/02/01 22:22:36 peiyongz
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47 | * sane_include
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48 | *
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49 | * Revision 1.10 2000/03/18 00:00:03 roddey
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50 | * Initial updates for two way transcoding support
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51 | *
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52 | * Revision 1.9 2000/03/02 19:55:34 roddey
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53 | * This checkin includes many changes done while waiting for the
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54 | * 1.1.0 code to be finished. I can't list them all here, but a list is
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55 | * available elsewhere.
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56 | *
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57 | * Revision 1.8 2000/02/06 07:48:32 rahulj
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58 | * Year 2K copyright swat.
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59 | *
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60 | * Revision 1.7 2000/01/25 22:49:56 roddey
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61 | * Moved the supportsSrcOfs() method from the individual transcoder to the
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62 | * transcoding service, where it should have been to begin with.
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63 | *
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64 | * Revision 1.6 2000/01/25 19:19:08 roddey
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65 | * Simple addition of a getId() method to the xcode and netacess abstractions to
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66 | * allow each impl to give back an id string.
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67 | *
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68 | * Revision 1.5 2000/01/19 23:21:11 abagchi
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69 | * Made this file compatible with ICU 1.4
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70 | *
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71 | * Revision 1.4 2000/01/19 00:58:07 roddey
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72 | * Update to support new ICU 1.4 release.
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73 | *
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74 | * Revision 1.3 1999/12/18 00:22:32 roddey
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75 | * Changes to support the new, completely orthagonal, transcoder architecture.
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76 | *
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77 | * Revision 1.2 1999/12/15 19:43:45 roddey
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78 | * Now implements the new transcoding abstractions, with separate interface
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79 | * classes for XML transcoders and local code page transcoders.
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80 | *
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81 | * Revision 1.1.1.1 1999/11/09 01:06:08 twl
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82 | * Initial checkin
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83 | *
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84 | * Revision 1.3 1999/11/08 20:45:34 rahul
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85 | * Swat for adding in Product name and CVS comment log variable.
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86 | *
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87 | */
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88 |
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89 | #ifndef ICUTRANSSERVICE_HPP
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90 | #define ICUTRANSSERVICE_HPP
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91 |
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92 | #include <xercesc/util/Mutexes.hpp>
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93 | #include <xercesc/util/TransService.hpp>
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94 |
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95 | struct UConverter;
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96 |
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97 | XERCES_CPP_NAMESPACE_BEGIN
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98 |
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99 | class XMLUTIL_EXPORT ICUTransService : public XMLTransService
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100 | {
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101 | public :
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102 | friend class Uniconv390TransService;
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103 | // -----------------------------------------------------------------------
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104 | // Constructors and Destructor
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105 | // -----------------------------------------------------------------------
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106 | ICUTransService();
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107 | ~ICUTransService();
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108 |
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109 |
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110 | // -----------------------------------------------------------------------
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111 | // Implementation of the virtual transcoding service API
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112 | // -----------------------------------------------------------------------
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113 | virtual int compareIString
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114 | (
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115 | const XMLCh* const comp1
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116 | , const XMLCh* const comp2
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117 | );
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118 |
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119 | virtual int compareNIString
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120 | (
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121 | const XMLCh* const comp1
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122 | , const XMLCh* const comp2
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123 | , const unsigned int maxChars
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124 | );
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125 |
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126 | virtual const XMLCh* getId() const;
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127 |
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128 | virtual bool isSpace(const XMLCh toCheck) const;
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129 |
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130 | virtual XMLLCPTranscoder* makeNewLCPTranscoder();
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131 |
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132 | virtual bool supportsSrcOfs() const;
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133 |
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134 | virtual void upperCase(XMLCh* const toUpperCase) const;
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135 | virtual void lowerCase(XMLCh* const toLowerCase) const;
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136 |
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137 |
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138 | protected :
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139 | // -----------------------------------------------------------------------
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140 | // Protected virtual methods
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141 | // -----------------------------------------------------------------------
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142 | virtual XMLTranscoder* makeNewXMLTranscoder
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143 | (
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144 | const XMLCh* const encodingName
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145 | , XMLTransService::Codes& resValue
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146 | , const unsigned int blockSize
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147 | , MemoryManager* const manager
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148 | );
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149 |
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150 |
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151 | private :
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152 | // -----------------------------------------------------------------------
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153 | // Unimplemented constructors and operators
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154 | // -----------------------------------------------------------------------
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155 | ICUTransService(const ICUTransService&);
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156 | ICUTransService& operator=(const ICUTransService&);
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157 | };
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158 |
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159 |
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160 |
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161 | class XMLUTIL_EXPORT ICUTranscoder : public XMLTranscoder
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162 | {
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163 | public :
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164 | // -----------------------------------------------------------------------
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165 | // Constructors and Destructor
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166 | // -----------------------------------------------------------------------
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167 | ICUTranscoder
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168 | (
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169 | const XMLCh* const encodingName
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170 | , UConverter* const toAdopt
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171 | , const unsigned int blockSize
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172 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
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173 | );
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174 | ~ICUTranscoder();
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175 |
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176 |
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177 | // -----------------------------------------------------------------------
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178 | // Implementation of the virtual transcoder interface
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179 | // -----------------------------------------------------------------------
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180 | virtual unsigned int transcodeFrom
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181 | (
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182 | const XMLByte* const srcData
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183 | , const unsigned int srcCount
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184 | , XMLCh* const toFill
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185 | , const unsigned int maxChars
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186 | , unsigned int& bytesEaten
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187 | , unsigned char* const charSizes
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188 | );
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189 |
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190 | virtual unsigned int transcodeTo
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191 | (
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192 | const XMLCh* const srcData
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193 | , const unsigned int srcCount
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194 | , XMLByte* const toFill
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195 | , const unsigned int maxBytes
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196 | , unsigned int& charsEaten
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197 | , const UnRepOpts options
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198 | );
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199 |
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200 | virtual bool canTranscodeTo
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201 | (
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202 | const unsigned int toCheck
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203 | ) const;
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204 |
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205 |
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206 |
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207 | private :
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208 | // -----------------------------------------------------------------------
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209 | // Unimplemented constructors and operators
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210 | // -----------------------------------------------------------------------
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211 | ICUTranscoder();
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212 | ICUTranscoder(const ICUTranscoder&);
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213 | ICUTranscoder& operator=(const ICUTranscoder&);
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214 |
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215 |
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216 | // -----------------------------------------------------------------------
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217 | // Private data members
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218 | //
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219 | // fConverter
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220 | // This is a pointer to the ICU converter that this transcoder
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221 | // uses.
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222 | //
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223 | // fFixed
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224 | // This is set to true if the encoding is a fixed size one. This
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225 | // can be used to optimize some operations.
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226 | //
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227 | // fSrcOffsets
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228 | // This is an array of longs, which are allocated to the size of
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229 | // the trancoding block (if any) indicated in the ctor. It is used
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230 | // to get the character offsets from ICU, which are then translated
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231 | // into an array of char sizes for return.
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232 | // -----------------------------------------------------------------------
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233 | UConverter* fConverter;
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234 | bool fFixed;
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235 | XMLUInt32* fSrcOffsets;
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236 | };
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237 |
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238 |
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239 | class XMLUTIL_EXPORT ICULCPTranscoder : public XMLLCPTranscoder
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240 | {
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241 | public :
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242 | // -----------------------------------------------------------------------
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243 | // Constructors and Destructor
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244 | // -----------------------------------------------------------------------
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245 | ICULCPTranscoder(UConverter* const toAdopt);
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246 | ~ICULCPTranscoder();
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247 |
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248 |
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249 | // -----------------------------------------------------------------------
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250 | // Implementation of the virtual transcoder interface
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251 | // -----------------------------------------------------------------------
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252 | virtual unsigned int calcRequiredSize(const char* const srcText
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253 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
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254 |
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255 | virtual unsigned int calcRequiredSize(const XMLCh* const srcText
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256 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
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257 |
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258 | virtual char* transcode(const XMLCh* const toTranscode);
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259 | virtual char* transcode(const XMLCh* const toTranscode,
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260 | MemoryManager* const manager);
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261 |
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262 | virtual XMLCh* transcode(const char* const toTranscode);
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263 | virtual XMLCh* transcode(const char* const toTranscode,
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264 | MemoryManager* const manager);
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265 |
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266 | virtual bool transcode
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267 | (
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268 | const char* const toTranscode
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269 | , XMLCh* const toFill
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270 | , const unsigned int maxChars
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271 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
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272 | );
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273 |
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274 | virtual bool transcode
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275 | (
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276 | const XMLCh* const toTranscode
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277 | , char* const toFill
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278 | , const unsigned int maxChars
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279 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
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280 | );
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281 |
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282 |
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283 |
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284 | private :
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285 | // -----------------------------------------------------------------------
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286 | // Unimplemented constructors and operators
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287 | // -----------------------------------------------------------------------
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288 | ICULCPTranscoder();
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289 | ICULCPTranscoder(const ICULCPTranscoder&);
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290 | ICULCPTranscoder& operator=(const ICULCPTranscoder&);
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291 |
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292 |
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293 | // -----------------------------------------------------------------------
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294 | // Private data members
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295 | //
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296 | // fConverter
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297 | // This is a pointer to the ICU converter that this transcoder
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298 | // uses.
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299 | //
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300 | // fMutex
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301 | // We have to synchronize threaded calls to the converter.
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302 | // -----------------------------------------------------------------------
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303 | UConverter* fConverter;
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304 | XMLMutex fMutex;
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305 | };
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306 |
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307 | XERCES_CPP_NAMESPACE_END
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308 |
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309 | #endif
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