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00048 #ifndef STLSOFT_INCL_STLSOFT_CONTAINERS_HPP_ENVIRONMENT_BLOCK
00049 #define STLSOFT_INCL_STLSOFT_CONTAINERS_HPP_ENVIRONMENT_BLOCK
00050
00051 #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
00052 # define STLSOFT_VER_STLSOFT_CONTAINERS_HPP_ENVIRONMENT_BLOCK_MAJOR 4
00053 # define STLSOFT_VER_STLSOFT_CONTAINERS_HPP_ENVIRONMENT_BLOCK_MINOR 2
00054 # define STLSOFT_VER_STLSOFT_CONTAINERS_HPP_ENVIRONMENT_BLOCK_REVISION 3
00055 # define STLSOFT_VER_STLSOFT_CONTAINERS_HPP_ENVIRONMENT_BLOCK_EDIT 43
00056 #endif
00057
00058
00059
00060
00061
00062
00063
00064
00065
00066 #ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
00067 # include <stlsoft/stlsoft.h>
00068 #endif
00069 #ifndef STLSOFT_INCL_STLSOFT_MEMORY_HPP_AUTO_BUFFER
00070 # include <stlsoft/memory/auto_buffer.hpp>
00071 #endif
00072 #ifndef STLSOFT_INCL_STLSOFT_MEMORY_HPP_ALLOCATOR_BASE
00073 # include <stlsoft/memory/allocator_base.hpp>
00074 #endif
00075 #ifndef STLSOFT_INCL_STLSOFT_MEMORY_HPP_ALLOCATOR_SELECTOR
00076 # include <stlsoft/memory/allocator_selector.hpp>
00077 #endif
00078 #ifndef STLSOFT_INCL_STLSOFT_STRING_HPP_CHAR_TRAITS
00079 # include <stlsoft/string/char_traits.hpp>
00080 #endif
00081 #ifndef STLSOFT_INCL_STLSOFT_SHIMS_ACCESS_HPP_STRING
00082 # include <stlsoft/shims/access/string.hpp>
00083 #endif
00084
00085
00086
00087
00088
00089 #ifndef _STLSOFT_NO_NAMESPACE
00090 namespace stlsoft
00091 {
00092 #endif
00093
00094
00095
00096
00097
00107 template< ss_typename_param_k C
00108 #ifdef STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT
00109 , ss_typename_param_k T = char_traits<C>
00110 , ss_typename_param_k A = ss_typename_type_def_k allocator_selector<C>::allocator_type
00111 #else
00112 , ss_typename_param_k T
00113 , ss_typename_param_k A
00114 #endif
00115 >
00116 class basic_environment_block
00117 {
00120 public:
00122 typedef C value_type;
00124 typedef C char_type;
00126 typedef T traits_type;
00128 typedef A allocator_type;
00130 typedef basic_environment_block<C, T, A> class_type;
00132 typedef char_type* pointer;
00134 typedef char_type const* const_pointer;
00136 typedef ss_size_t size_type;
00138
00141 public:
00142 basic_environment_block()
00143 : m_chars(1)
00144 , m_offsets(1)
00145 , m_pointers(0)
00146 {
00147 m_chars[0] = '\0';
00148 m_offsets[0] = 0;
00149 }
00151
00154 public:
00156 void push_back(char_type const* s, ss_size_t cch)
00157 {
00158 STLSOFT_ASSERT(NULL != s);
00159 STLSOFT_ASSERT(cch >= 3);
00160 STLSOFT_ASSERT(NULL != traits_type::find(s, cch, '='));
00161
00162 STLSOFT_ASSERT(m_chars.size() > 0);
00163 STLSOFT_ASSERT('\0' == m_chars[m_chars.size() - 1]);
00164
00165 const size_type numChars_ = m_chars.size();
00166 const size_type numOffsets_ = m_offsets.size();
00167 const size_type numPointers_ = m_pointers.size();
00168
00169 m_chars.resize(numChars_ + cch + 1);
00170
00171 traits_type::copy(&m_chars[numChars_ - 1], s, cch);
00172 m_chars[numChars_ + cch - 1] = '\0';
00173
00174 m_chars[numChars_ + cch] = '\0';
00175
00176 m_offsets.resize(numOffsets_ + 1);
00177 m_offsets[numOffsets_] = numChars_ + cch;
00178
00179 m_pointers.resize(0);
00180
00181 STLSOFT_ASSERT('\0' == m_chars[m_chars.size() - 1]);
00182 }
00183 template <ss_typename_param_k S>
00184 void push_back(S const& s)
00185 {
00186 push_back(stlsoft_ns_qual(c_str_data)(s), stlsoft_ns_qual(c_str_len)(s));
00187 }
00188 void push_back(char_type const* name, ss_size_t cchName, char_type const* value, ss_size_t cchValue)
00189 {
00190 STLSOFT_ASSERT(NULL != name);
00191 STLSOFT_ASSERT(NULL != value);
00192 STLSOFT_ASSERT(cchName > 0);
00193 STLSOFT_ASSERT(cchValue > 0);
00194 STLSOFT_ASSERT(NULL == traits_type::find(name, cchName, '='));
00195
00196 STLSOFT_ASSERT(m_chars.size() > 0);
00197 STLSOFT_ASSERT('\0' == m_chars[m_chars.size() - 1]);
00198
00199 const size_type numChars_ = m_chars.size();
00200 const size_type numOffsets_ = m_offsets.size();
00201 const size_type numPointers_ = m_pointers.size();
00202
00203 m_chars.resize(numChars_ + cchName + 1 + cchValue + 1);
00204
00205
00206 traits_type::copy(&m_chars[numChars_ - 1], name, cchName);
00207 m_chars[numChars_ - 1 + cchName] = '=';
00208 traits_type::copy(&m_chars[numChars_ - 1 + cchName + 1], value, cchValue);
00209 m_chars[numChars_ - 1 + cchName + 1 + cchValue] = '\0';
00210
00211 m_chars[numChars_ + cchName + 1 + cchValue] = '\0';
00212
00213 m_offsets.resize(numOffsets_ + 1);
00214 m_offsets[numOffsets_] = numChars_ + cchName + 1 + cchValue;
00215
00216 m_pointers.resize(0);
00217
00218 STLSOFT_ASSERT('\0' == m_chars[m_chars.size() - 1]);
00219 }
00220 template< ss_typename_param_k S1
00221 , ss_typename_param_k S2
00222 >
00223 void push_back(S1 const& name, S2 const& value)
00224 {
00225 push_back(stlsoft_ns_qual(c_str_data)(name), stlsoft_ns_qual(c_str_len)(name), stlsoft_ns_qual(c_str_data)(value), stlsoft_ns_qual(c_str_len)(value));
00226 }
00227
00228 void clear()
00229 {
00230 m_chars.resize(1);
00231 m_offsets.resize(1);
00232 m_pointers.resize(0);
00233
00234 m_chars[0] = '\0';
00235 m_offsets[0] = 0;
00236 }
00238
00241 public:
00242 char_type const* const* base() const
00243 {
00244 if(m_pointers.size() != m_offsets.size())
00245 {
00246 set_pointers();
00247 }
00248
00249 return m_pointers.data();
00250 }
00251 size_type size() const
00252 {
00253 STLSOFT_ASSERT(m_offsets.size() >= 1);
00254
00255 return m_offsets.size() - 1;
00256 }
00258
00259
00260 private:
00261 void set_pointers()
00262 {
00263 if(m_pointers.resize(m_offsets.size()))
00264 {
00265 for(size_type i = 0; i < m_offsets.size(); ++i)
00266 {
00267 m_pointers[i] = &m_chars[m_offsets[i]];
00268 }
00269 }
00270 }
00271
00272 void set_pointers() const
00273 {
00274 const_cast<class_type*>(this)->set_pointers();
00275 }
00276
00277
00278 private:
00279 typedef stlsoft_ns_qual(auto_buffer_old)< char_type
00280 , allocator_type
00281 , 1024
00282 > char_buffer_type;
00283
00284 typedef stlsoft_ns_qual(auto_buffer_old)< size_type
00285 #if defined(STLSOFT_LF_ALLOCATOR_REBIND_SUPPORT)
00286 , ss_typename_type_k allocator_type::ss_template_qual_k rebind<size_type>::other
00287 #else
00288 , ss_typename_type_k allocator_selector<size_type>::allocator_type
00289 #endif
00290 , 32
00291 > offset_buffer_type;
00292
00293 typedef stlsoft_ns_qual(auto_buffer_old)< const_pointer
00294 #if defined(STLSOFT_LF_ALLOCATOR_REBIND_SUPPORT)
00295 , ss_typename_type_k allocator_type::ss_template_qual_k rebind<pointer>::other
00296 #else
00297 , ss_typename_type_k allocator_selector<pointer>::allocator_type
00298 #endif
00299 , 32
00300 > pointer_buffer_type;
00301
00302 char_buffer_type m_chars;
00303 offset_buffer_type m_offsets;
00304 pointer_buffer_type m_pointers;
00305 };
00306
00307
00308
00309
00310
00311 #ifdef STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT
00312
00314 typedef basic_environment_block<ss_char_a_t> environment_block_a;
00319 typedef basic_environment_block<ss_char_w_t> environment_block_w;
00320
00321 #endif
00322
00323
00324
00325
00326
00327 #ifdef STLSOFT_UNITTEST
00328 # include "./unittest/environment_block_unittest_.h"
00329 #endif
00330
00331
00332
00333
00334
00335
00336
00337 #ifndef _STLSOFT_NO_NAMESPACE
00338 }
00339 #endif
00340
00341
00342
00343 #endif
00344
00345