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created the repository for the thymian project
author ferencd
date Tue, 17 Aug 2021 11:19:54 +0200
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ferencd@0 1 /*
ferencd@0 2 www.sourceforge.net/projects/tinyxml
ferencd@0 3
ferencd@0 4 This software is provided 'as-is', without any express or implied
ferencd@0 5 warranty. In no event will the authors be held liable for any
ferencd@0 6 damages arising from the use of this software.
ferencd@0 7
ferencd@0 8 Permission is granted to anyone to use this software for any
ferencd@0 9 purpose, including commercial applications, and to alter it and
ferencd@0 10 redistribute it freely, subject to the following restrictions:
ferencd@0 11
ferencd@0 12 1. The origin of this software must not be misrepresented; you must
ferencd@0 13 not claim that you wrote the original software. If you use this
ferencd@0 14 software in a product, an acknowledgment in the product documentation
ferencd@0 15 would be appreciated but is not required.
ferencd@0 16
ferencd@0 17 2. Altered source versions must be plainly marked as such, and
ferencd@0 18 must not be misrepresented as being the original software.
ferencd@0 19
ferencd@0 20 3. This notice may not be removed or altered from any source
ferencd@0 21 distribution.
ferencd@0 22 */
ferencd@0 23
ferencd@0 24
ferencd@0 25 #ifndef TIXML_USE_STL
ferencd@0 26
ferencd@0 27 #ifndef TIXML_STRING_INCLUDED
ferencd@0 28 #define TIXML_STRING_INCLUDED
ferencd@0 29
ferencd@0 30 #include <assert.h>
ferencd@0 31 #include <string.h>
ferencd@0 32
ferencd@0 33 /* The support for explicit isn't that universal, and it isn't really
ferencd@0 34 required - it is used to check that the TiXmlString class isn't incorrectly
ferencd@0 35 used. Be nice to old compilers and macro it here:
ferencd@0 36 */
ferencd@0 37 #if defined(_MSC_VER) && (_MSC_VER >= 1200 )
ferencd@0 38 // Microsoft visual studio, version 6 and higher.
ferencd@0 39 #define TIXML_EXPLICIT explicit
ferencd@0 40 #elif defined(__GNUC__) && (__GNUC__ >= 3 )
ferencd@0 41 // GCC version 3 and higher.s
ferencd@0 42 #define TIXML_EXPLICIT explicit
ferencd@0 43 #else
ferencd@0 44 #define TIXML_EXPLICIT
ferencd@0 45 #endif
ferencd@0 46
ferencd@0 47
ferencd@0 48 /*
ferencd@0 49 TiXmlString is an emulation of a subset of the std::string template.
ferencd@0 50 Its purpose is to allow compiling TinyXML on compilers with no or poor STL support.
ferencd@0 51 Only the member functions relevant to the TinyXML project have been implemented.
ferencd@0 52 The buffer allocation is made by a simplistic power of 2 like mechanism : if we increase
ferencd@0 53 a string and there's no more room, we allocate a buffer twice as big as we need.
ferencd@0 54 */
ferencd@0 55 class TiXmlString
ferencd@0 56 {
ferencd@0 57 public :
ferencd@0 58 // The size type used
ferencd@0 59 typedef size_t size_type;
ferencd@0 60
ferencd@0 61 // Error value for find primitive
ferencd@0 62 static const size_type npos; // = -1;
ferencd@0 63
ferencd@0 64
ferencd@0 65 // TiXmlString empty constructor
ferencd@0 66 TiXmlString () : rep_(&nullrep_)
ferencd@0 67 {
ferencd@0 68 }
ferencd@0 69
ferencd@0 70 // TiXmlString copy constructor
ferencd@0 71 TiXmlString ( const TiXmlString & copy) : rep_(0)
ferencd@0 72 {
ferencd@0 73 init(copy.length());
ferencd@0 74 memcpy(start(), copy.data(), length());
ferencd@0 75 }
ferencd@0 76
ferencd@0 77 // TiXmlString constructor, based on a string
ferencd@0 78 TIXML_EXPLICIT TiXmlString ( const char * copy) : rep_(0)
ferencd@0 79 {
ferencd@0 80 init( static_cast<size_type>( strlen(copy) ));
ferencd@0 81 memcpy(start(), copy, length());
ferencd@0 82 }
ferencd@0 83
ferencd@0 84 // TiXmlString constructor, based on a string
ferencd@0 85 TIXML_EXPLICIT TiXmlString ( const char * str, size_type len) : rep_(0)
ferencd@0 86 {
ferencd@0 87 init(len);
ferencd@0 88 memcpy(start(), str, len);
ferencd@0 89 }
ferencd@0 90
ferencd@0 91 // TiXmlString destructor
ferencd@0 92 ~TiXmlString ()
ferencd@0 93 {
ferencd@0 94 quit();
ferencd@0 95 }
ferencd@0 96
ferencd@0 97 TiXmlString& operator = (const char * copy)
ferencd@0 98 {
ferencd@0 99 return assign( copy, static_cast<size_type>(strlen(copy)));
ferencd@0 100 }
ferencd@0 101
ferencd@0 102 TiXmlString& operator = (const TiXmlString & copy)
ferencd@0 103 {
ferencd@0 104 return assign(copy.start(), copy.length());
ferencd@0 105 }
ferencd@0 106
ferencd@0 107
ferencd@0 108 // += operator. Maps to append
ferencd@0 109 TiXmlString& operator += (const char * suffix)
ferencd@0 110 {
ferencd@0 111 return append(suffix, static_cast<size_type>( strlen(suffix) ));
ferencd@0 112 }
ferencd@0 113
ferencd@0 114 // += operator. Maps to append
ferencd@0 115 TiXmlString& operator += (char single)
ferencd@0 116 {
ferencd@0 117 return append(&single, 1);
ferencd@0 118 }
ferencd@0 119
ferencd@0 120 // += operator. Maps to append
ferencd@0 121 TiXmlString& operator += (const TiXmlString & suffix)
ferencd@0 122 {
ferencd@0 123 return append(suffix.data(), suffix.length());
ferencd@0 124 }
ferencd@0 125
ferencd@0 126
ferencd@0 127 // Convert a TiXmlString into a null-terminated char *
ferencd@0 128 const char * c_str () const { return rep_->str; }
ferencd@0 129
ferencd@0 130 // Convert a TiXmlString into a char * (need not be null terminated).
ferencd@0 131 const char * data () const { return rep_->str; }
ferencd@0 132
ferencd@0 133 // Return the length of a TiXmlString
ferencd@0 134 size_type length () const { return rep_->size; }
ferencd@0 135
ferencd@0 136 // Alias for length()
ferencd@0 137 size_type size () const { return rep_->size; }
ferencd@0 138
ferencd@0 139 // Checks if a TiXmlString is empty
ferencd@0 140 bool empty () const { return rep_->size == 0; }
ferencd@0 141
ferencd@0 142 // Return capacity of string
ferencd@0 143 size_type capacity () const { return rep_->capacity; }
ferencd@0 144
ferencd@0 145
ferencd@0 146 // single char extraction
ferencd@0 147 const char& at (size_type index) const
ferencd@0 148 {
ferencd@0 149 assert( index < length() );
ferencd@0 150 return rep_->str[ index ];
ferencd@0 151 }
ferencd@0 152
ferencd@0 153 // [] operator
ferencd@0 154 char& operator [] (size_type index) const
ferencd@0 155 {
ferencd@0 156 assert( index < length() );
ferencd@0 157 return rep_->str[ index ];
ferencd@0 158 }
ferencd@0 159
ferencd@0 160 // find a char in a string. Return TiXmlString::npos if not found
ferencd@0 161 size_type find (char lookup) const
ferencd@0 162 {
ferencd@0 163 return find(lookup, 0);
ferencd@0 164 }
ferencd@0 165
ferencd@0 166 // find a char in a string from an offset. Return TiXmlString::npos if not found
ferencd@0 167 size_type find (char tofind, size_type offset) const
ferencd@0 168 {
ferencd@0 169 if (offset >= length()) return npos;
ferencd@0 170
ferencd@0 171 for (const char* p = c_str() + offset; *p != '\0'; ++p)
ferencd@0 172 {
ferencd@0 173 if (*p == tofind) return static_cast< size_type >( p - c_str() );
ferencd@0 174 }
ferencd@0 175 return npos;
ferencd@0 176 }
ferencd@0 177
ferencd@0 178 void clear ()
ferencd@0 179 {
ferencd@0 180 //Lee:
ferencd@0 181 //The original was just too strange, though correct:
ferencd@0 182 // TiXmlString().swap(*this);
ferencd@0 183 //Instead use the quit & re-init:
ferencd@0 184 quit();
ferencd@0 185 init(0,0);
ferencd@0 186 }
ferencd@0 187
ferencd@0 188 /* Function to reserve a big amount of data when we know we'll need it. Be aware that this
ferencd@0 189 function DOES NOT clear the content of the TiXmlString if any exists.
ferencd@0 190 */
ferencd@0 191 void reserve (size_type cap);
ferencd@0 192
ferencd@0 193 TiXmlString& assign (const char* str, size_type len);
ferencd@0 194
ferencd@0 195 TiXmlString& append (const char* str, size_type len);
ferencd@0 196
ferencd@0 197 void swap (TiXmlString& other)
ferencd@0 198 {
ferencd@0 199 Rep* r = rep_;
ferencd@0 200 rep_ = other.rep_;
ferencd@0 201 other.rep_ = r;
ferencd@0 202 }
ferencd@0 203
ferencd@0 204 private:
ferencd@0 205
ferencd@0 206 void init(size_type sz) { init(sz, sz); }
ferencd@0 207 void set_size(size_type sz) { rep_->str[ rep_->size = sz ] = '\0'; }
ferencd@0 208 char* start() const { return rep_->str; }
ferencd@0 209 char* finish() const { return rep_->str + rep_->size; }
ferencd@0 210
ferencd@0 211 struct Rep
ferencd@0 212 {
ferencd@0 213 size_type size, capacity;
ferencd@0 214 char str[1];
ferencd@0 215 };
ferencd@0 216
ferencd@0 217 void init(size_type sz, size_type cap)
ferencd@0 218 {
ferencd@0 219 if (cap)
ferencd@0 220 {
ferencd@0 221 // Lee: the original form:
ferencd@0 222 // rep_ = static_cast<Rep*>(operator new(sizeof(Rep) + cap));
ferencd@0 223 // doesn't work in some cases of new being overloaded. Switching
ferencd@0 224 // to the normal allocation, although use an 'int' for systems
ferencd@0 225 // that are overly picky about structure alignment.
ferencd@0 226 const size_type bytesNeeded = sizeof(Rep) + cap;
ferencd@0 227 const size_type intsNeeded = ( bytesNeeded + sizeof(int) - 1 ) / sizeof( int );
ferencd@0 228 rep_ = reinterpret_cast<Rep*>( new int[ intsNeeded ] );
ferencd@0 229
ferencd@0 230 rep_->str[ rep_->size = sz ] = '\0';
ferencd@0 231 rep_->capacity = cap;
ferencd@0 232 }
ferencd@0 233 else
ferencd@0 234 {
ferencd@0 235 rep_ = &nullrep_;
ferencd@0 236 }
ferencd@0 237 }
ferencd@0 238
ferencd@0 239 void quit()
ferencd@0 240 {
ferencd@0 241 if (rep_ != &nullrep_)
ferencd@0 242 {
ferencd@0 243 // The rep_ is really an array of ints. (see the allocator, above).
ferencd@0 244 // Cast it back before delete, so the compiler won't incorrectly call destructors.
ferencd@0 245 delete [] ( reinterpret_cast<int*>( rep_ ) );
ferencd@0 246 }
ferencd@0 247 }
ferencd@0 248
ferencd@0 249 Rep * rep_;
ferencd@0 250 static Rep nullrep_;
ferencd@0 251
ferencd@0 252 } ;
ferencd@0 253
ferencd@0 254
ferencd@0 255 inline bool operator == (const TiXmlString & a, const TiXmlString & b)
ferencd@0 256 {
ferencd@0 257 return ( a.length() == b.length() ) // optimization on some platforms
ferencd@0 258 && ( strcmp(a.c_str(), b.c_str()) == 0 ); // actual compare
ferencd@0 259 }
ferencd@0 260 inline bool operator < (const TiXmlString & a, const TiXmlString & b)
ferencd@0 261 {
ferencd@0 262 return strcmp(a.c_str(), b.c_str()) < 0;
ferencd@0 263 }
ferencd@0 264
ferencd@0 265 inline bool operator != (const TiXmlString & a, const TiXmlString & b) { return !(a == b); }
ferencd@0 266 inline bool operator > (const TiXmlString & a, const TiXmlString & b) { return b < a; }
ferencd@0 267 inline bool operator <= (const TiXmlString & a, const TiXmlString & b) { return !(b < a); }
ferencd@0 268 inline bool operator >= (const TiXmlString & a, const TiXmlString & b) { return !(a < b); }
ferencd@0 269
ferencd@0 270 inline bool operator == (const TiXmlString & a, const char* b) { return strcmp(a.c_str(), b) == 0; }
ferencd@0 271 inline bool operator == (const char* a, const TiXmlString & b) { return b == a; }
ferencd@0 272 inline bool operator != (const TiXmlString & a, const char* b) { return !(a == b); }
ferencd@0 273 inline bool operator != (const char* a, const TiXmlString & b) { return !(b == a); }
ferencd@0 274
ferencd@0 275 TiXmlString operator + (const TiXmlString & a, const TiXmlString & b);
ferencd@0 276 TiXmlString operator + (const TiXmlString & a, const char* b);
ferencd@0 277 TiXmlString operator + (const char* a, const TiXmlString & b);
ferencd@0 278
ferencd@0 279
ferencd@0 280 /*
ferencd@0 281 TiXmlOutStream is an emulation of std::ostream. It is based on TiXmlString.
ferencd@0 282 Only the operators that we need for TinyXML have been developped.
ferencd@0 283 */
ferencd@0 284 class TiXmlOutStream : public TiXmlString
ferencd@0 285 {
ferencd@0 286 public :
ferencd@0 287
ferencd@0 288 // TiXmlOutStream << operator.
ferencd@0 289 TiXmlOutStream & operator << (const TiXmlString & in)
ferencd@0 290 {
ferencd@0 291 *this += in;
ferencd@0 292 return *this;
ferencd@0 293 }
ferencd@0 294
ferencd@0 295 // TiXmlOutStream << operator.
ferencd@0 296 TiXmlOutStream & operator << (const char * in)
ferencd@0 297 {
ferencd@0 298 *this += in;
ferencd@0 299 return *this;
ferencd@0 300 }
ferencd@0 301
ferencd@0 302 } ;
ferencd@0 303
ferencd@0 304 #endif // TIXML_STRING_INCLUDED
ferencd@0 305 #endif // TIXML_USE_STL