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00048 #ifndef WINSTL_INCL_WINSTL_SYSTEM_HPP_ENVIRONMENT_BLOCK
00049 #define WINSTL_INCL_WINSTL_SYSTEM_HPP_ENVIRONMENT_BLOCK
00050
00051 #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
00052 # define WINSTL_VER_WINSTL_SYSTEM_HPP_ENVIRONMENT_BLOCK_MAJOR 4
00053 # define WINSTL_VER_WINSTL_SYSTEM_HPP_ENVIRONMENT_BLOCK_MINOR 0
00054 # define WINSTL_VER_WINSTL_SYSTEM_HPP_ENVIRONMENT_BLOCK_REVISION 2
00055 # define WINSTL_VER_WINSTL_SYSTEM_HPP_ENVIRONMENT_BLOCK_EDIT 54
00056 #endif
00057
00058
00059
00060
00061
00062
00063
00064
00065
00066 #ifndef WINSTL_INCL_WINSTL_H_WINSTL
00067 # include <winstl/winstl.h>
00068 #endif
00069 #ifndef WINSTL_INCL_WINSTL_MEMORY_HPP_PROCESSHEAP_ALLOCATOR
00070 # include <winstl/memory/processheap_allocator.hpp>
00071 #endif
00072 #ifndef STLSOFT_INCL_STLSOFT_MEMORY_HPP_AUTO_BUFFER
00073 # include <stlsoft/memory/auto_buffer.hpp>
00074 #endif
00075 #ifndef STLSOFT_INCL_STLSOFT_STRING_HPP_CHAR_TRAITS
00076 # include <stlsoft/string/char_traits.hpp>
00077 #endif
00078 #ifndef WINSTL_INCL_WINSTL_SHIMS_ACCESS_HPP_STRING
00079 # include <winstl/shims/access/string.hpp>
00080 #endif
00081
00082
00083
00084
00085
00086 #ifndef _WINSTL_NO_NAMESPACE
00087 # if defined(_STLSOFT_NO_NAMESPACE) || \
00088 defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
00089
00090 namespace winstl
00091 {
00092 # else
00093
00094
00095 namespace stlsoft
00096 {
00097
00098 namespace winstl_project
00099 {
00100
00101 # endif
00102 #endif
00103
00104
00105
00106
00107
00133 template< ss_typename_param_k C
00134 #ifdef STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT
00135 , ss_typename_param_k T = char_traits<C>
00136 , ss_typename_param_k A = processheap_allocator<C>
00137 #else
00138 , ss_typename_param_k T
00139 , ss_typename_param_k A
00140 #endif
00141 >
00142 class basic_environment_block
00143 {
00146 public:
00148 typedef C value_type;
00150 typedef C char_type;
00152 typedef T traits_type;
00154 typedef A allocator_type;
00156 typedef basic_environment_block<C, T, A> class_type;
00158 typedef ws_size_t size_type;
00160
00163 public:
00165 basic_environment_block()
00166 : m_buffer(2)
00167 {
00168 m_buffer[0] = '\0';
00169 m_buffer[1] = '\0';
00170 }
00172 basic_environment_block(class_type const& rhs)
00173 : m_buffer(rhs.m_buffer.size())
00174 {
00175 pod_copy_n(&m_buffer.data()[0], &rhs.m_buffer.data()[0], m_buffer.size());
00176 }
00177
00184 class_type& operator =(class_type const& rhs)
00185 {
00186 if(m_buffer.resize(rhs.m_buffer.size()))
00187 {
00188 pod_copy_n(&m_buffer.data()[0], &rhs.m_buffer.data()[0], m_buffer.size());
00189 }
00190
00191 return *this;
00192 }
00194
00197 public:
00212 ws_bool_t push_back(char_type const* variable, ws_size_t cch)
00213 {
00214 WINSTL_ASSERT(NULL != variable);
00215 WINSTL_ASSERT(cch >= 3);
00216 WINSTL_ASSERT(NULL != traits_type::find(variable, cch, '='));
00217
00218 size_type oldSize = m_buffer.size();
00219
00220 WINSTL_ASSERT(m_buffer.size() > 1);
00221 WINSTL_ASSERT('\0' == m_buffer[m_buffer.size() - 1]);
00222 WINSTL_ASSERT('\0' == m_buffer[m_buffer.size() - 2]);
00223
00224 if(!m_buffer.resize(oldSize + cch + 1))
00225 {
00226 return false;
00227 }
00228 else
00229 {
00230 traits_type::copy(&m_buffer[oldSize - 1], variable, cch);
00231 m_buffer[m_buffer.size() - 2] = '\0';
00232 m_buffer[m_buffer.size() - 1] = '\0';
00233
00234 WINSTL_ASSERT(m_buffer.size() > 1);
00235 WINSTL_ASSERT('\0' == m_buffer[m_buffer.size() - 1]);
00236 WINSTL_ASSERT('\0' == m_buffer[m_buffer.size() - 2]);
00237
00238 return true;
00239 }
00240 }
00254 template <ss_typename_param_k S>
00255 ws_bool_t push_back(S const& variable)
00256 {
00257 return push_back(stlsoft_ns_qual(c_str_data)(variable), stlsoft_ns_qual(c_str_len)(variable));
00258 }
00273 ws_bool_t push_back(char_type const* name, ws_size_t cchName, char_type const* value, ws_size_t cchValue)
00274 {
00275 WINSTL_ASSERT(NULL != name);
00276 WINSTL_ASSERT(NULL != value);
00277 WINSTL_ASSERT(cchName > 1);
00278
00279
00280 size_type oldSize = m_buffer.size();
00281
00282 WINSTL_ASSERT(m_buffer.size() > 1);
00283 WINSTL_ASSERT('\0' == m_buffer[m_buffer.size() - 1]);
00284 WINSTL_ASSERT('\0' == m_buffer[m_buffer.size() - 2]);
00285
00286 if(!m_buffer.resize(oldSize + cchName + 1 + cchValue + 1))
00287 {
00288 return false;
00289 }
00290 else
00291 {
00292 traits_type::copy(&m_buffer[oldSize - 2], name, cchName);
00293 m_buffer[oldSize - 2 + cchName] = '=';
00294 traits_type::copy(&m_buffer[oldSize - 2 + cchName + 1], value, cchValue);
00295 m_buffer[oldSize - 2 + cchName + 1 + cchValue] = '\0';
00296 m_buffer[m_buffer.size() - 2] = '\0';
00297 m_buffer[m_buffer.size() - 1] = '\0';
00298
00299 WINSTL_ASSERT(m_buffer.size() > 1);
00300 WINSTL_ASSERT('\0' == m_buffer[m_buffer.size() - 1]);
00301 WINSTL_ASSERT('\0' == m_buffer[m_buffer.size() - 2]);
00302
00303 return true;
00304 }
00305 }
00318 template< ss_typename_param_k S1
00319 , ss_typename_param_k S2
00320 >
00321 ws_bool_t push_back(S1 const& name, S2 const& value)
00322 {
00323 return 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));
00324 }
00325
00327 void clear()
00328 {
00329 m_buffer.resize(2);
00330
00331 m_buffer[0] = '\0';
00332 m_buffer[1] = '\0';
00333 }
00334
00336 void swap(class_type& rhs) stlsoft_throw_0()
00337 {
00338 m_buffer.swap(rhs.m_buffer);
00339 }
00341
00344 public:
00346 void const *base() const
00347 {
00348 return m_buffer.data();
00349 }
00351 size_type size() const
00352 {
00353 return m_buffer.size();
00354 }
00358 size_type length() const
00359 {
00360 return size();
00361 }
00363
00368 private:
00369 typedef stlsoft_ns_qual(auto_buffer_old)< char_type
00370 , allocator_type
00371 , 1024
00372 > buffer_type_;
00373
00374 buffer_type_ m_buffer;
00375 };
00376
00377
00378
00379
00380
00381 #ifdef STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT
00382
00384 typedef basic_environment_block<ws_char_a_t> environment_block_a;
00389 typedef basic_environment_block<ws_char_w_t> environment_block_w;
00394 typedef basic_environment_block<TCHAR> environment_block;
00395
00396 #endif
00397
00398
00399
00400
00401
00402 #ifdef STLSOFT_UNITTEST
00403 # include "./unittest/environment_block_unittest_.h"
00404 #endif
00405
00406
00407
00408
00409
00410
00411
00412 #ifndef _WINSTL_NO_NAMESPACE
00413 # if defined(_STLSOFT_NO_NAMESPACE) || \
00414 defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
00415 }
00416 # else
00417 }
00418 }
00419 # endif
00420 #endif
00421
00422
00423
00424 #endif
00425
00426