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-/*
-www.sourceforge.net/projects/tinyxml
-Original file by Yves Berquin.
-
-This software is provided 'as-is', without any express or implied
-warranty. In no event will the authors be held liable for any
-damages arising from the use of this software.
-
-Permission is granted to anyone to use this software for any
-purpose, including commercial applications, and to alter it and
-redistribute it freely, subject to the following restrictions:
-
-1. The origin of this software must not be misrepresented; you must
-not claim that you wrote the original software. If you use this
-software in a product, an acknowledgment in the product documentation
-would be appreciated but is not required.
-
-2. Altered source versions must be plainly marked as such, and
-must not be misrepresented as being the original software.
-
-3. This notice may not be removed or altered from any source
-distribution.
-*/
-
-/*
- * THIS FILE WAS ALTERED BY Tyge Lovset, 7. April 2005.
- *
- * - completely rewritten. compact, clean, and fast implementation.
- * - sizeof(TiXmlString) = pointer size (4 bytes on 32-bit systems)
- * - fixed reserve() to work as per specification.
- * - fixed buggy compares operator==(), operator<(), and operator>()
- * - fixed operator+=() to take a const ref argument, following spec.
- * - added "copy" constructor with length, and most compare operators.
- * - added swap(), clear(), size(), capacity(), operator+().
- */
-
-#ifndef TIXML_USE_STL
-
-#ifndef TIXML_STRING_INCLUDED
-#define TIXML_STRING_INCLUDED
-
-#include <assert.h>
-#include <string.h>
-
-/*
- TiXmlString is an emulation of a subset of the std::string template.
- Its purpose is to allow compiling TinyXML on compilers with no or poor STL support.
- Only the member functions relevant to the TinyXML project have been implemented.
- The buffer allocation is made by a simplistic power of 2 like mechanism : if we increase
- a string and there's no more room, we allocate a buffer twice as big as we need.
-*/
-class TiXmlString
-{
- public :
- // The size type used
- typedef unsigned int size_type;
-
- // Error value for find primitive
- static const size_type npos; // = -1;
-
-
- // TiXmlString empty constructor
- TiXmlString () : rep_(&nullrep_)
- {
- }
-
- // TiXmlString copy constructor
- TiXmlString (const TiXmlString & copy)
- {
- init(copy.length());
- memcpy(start(), copy.data(), length());
- }
-
- // TiXmlString constructor, based on a string
- TiXmlString (const char * copy)
- {
- init( static_cast<size_type>( strlen(copy) ));
- memcpy(start(), copy, length());
- }
-
- // TiXmlString constructor, based on a string
- TiXmlString (const char * str, size_type len)
- {
- init(len);
- memcpy(start(), str, len);
- }
-
- // TiXmlString destructor
- ~TiXmlString ()
- {
- quit();
- }
-
- // = operator
- TiXmlString& operator = (const char * copy)
- {
- return assign( copy, (size_type)strlen(copy));
- }
-
- // = operator
- TiXmlString& operator = (const TiXmlString & copy)
- {
- return assign(copy.start(), copy.length());
- }
-
-
- // += operator. Maps to append
- TiXmlString& operator += (const char * suffix)
- {
- return append(suffix, static_cast<size_type>( strlen(suffix) ));
- }
-
- // += operator. Maps to append
- TiXmlString& operator += (char single)
- {
- return append(&single, 1);
- }
-
- // += operator. Maps to append
- TiXmlString& operator += (const TiXmlString & suffix)
- {
- return append(suffix.data(), suffix.length());
- }
-
-
- // Convert a TiXmlString into a null-terminated char *
- const char * c_str () const { return rep_->str; }
-
- // Convert a TiXmlString into a char * (need not be null terminated).
- const char * data () const { return rep_->str; }
-
- // Return the length of a TiXmlString
- size_type length () const { return rep_->size; }
-
- // Alias for length()
- size_type size () const { return rep_->size; }
-
- // Checks if a TiXmlString is empty
- bool empty () const { return rep_->size == 0; }
-
- // Return capacity of string
- size_type capacity () const { return rep_->capacity; }
-
-
- // single char extraction
- const char& at (size_type index) const
- {
- assert( index < length() );
- return rep_->str[ index ];
- }
-
- // [] operator
- char& operator [] (size_type index) const
- {
- assert( index < length() );
- return rep_->str[ index ];
- }
-
- // find a char in a string. Return TiXmlString::npos if not found
- size_type find (char lookup) const
- {
- return find(lookup, 0);
- }
-
- // find a char in a string from an offset. Return TiXmlString::npos if not found
- size_type find (char tofind, size_type offset) const
- {
- if (offset >= length()) return npos;
-
- for (const char* p = c_str() + offset; *p != '\0'; ++p)
- {
- if (*p == tofind) return static_cast< size_type >( p - c_str() );
- }
- return npos;
- }
-
- void clear ()
- {
- //Lee:
- //The original was just too strange, though correct:
- // TiXmlString().swap(*this);
- //Instead use the quit & re-init:
- quit();
- init(0,0);
- }
-
- /* Function to reserve a big amount of data when we know we'll need it. Be aware that this
- function DOES NOT clear the content of the TiXmlString if any exists.
- */
- void reserve (size_type cap);
-
- TiXmlString& assign (const char* str, size_type len);
-
- TiXmlString& append (const char* str, size_type len);
-
- void swap (TiXmlString& other)
- {
- Rep* r = rep_;
- rep_ = other.rep_;
- other.rep_ = r;
- }
-
- private:
-
- void init(size_type sz) { init(sz, sz); }
- void set_size(size_type sz) { rep_->str[ rep_->size = sz ] = '\0'; }
- char* start() const { return rep_->str; }
- char* finish() const { return rep_->str + rep_->size; }
-
- struct Rep
- {
- size_type size, capacity;
- char str[1];
- };
-
- void init(size_type sz, size_type cap)
- {
- if (cap)
- {
- rep_ = static_cast<Rep*>(operator new(sizeof(Rep) + cap));
- rep_->str[ rep_->size = sz ] = '\0';
- rep_->capacity = cap;
- }
- else
- {
- rep_ = &nullrep_;
- }
- }
-
- void quit()
- {
- if (rep_ != &nullrep_)
- {
- operator delete(rep_);
- }
- }
-
- Rep * rep_;
- static Rep nullrep_;
-
-} ;
-
-
-inline bool operator == (const TiXmlString & a, const TiXmlString & b)
-{
- return ( a.length() == b.length() ) // optimization on some platforms
- && ( strcmp(a.c_str(), b.c_str()) == 0 ); // actual compare
-}
-inline bool operator < (const TiXmlString & a, const TiXmlString & b)
-{
- return strcmp(a.c_str(), b.c_str()) < 0;
-}
-
-inline bool operator != (const TiXmlString & a, const TiXmlString & b) { return !(a == b); }
-inline bool operator > (const TiXmlString & a, const TiXmlString & b) { return b < a; }
-inline bool operator <= (const TiXmlString & a, const TiXmlString & b) { return !(b < a); }
-inline bool operator >= (const TiXmlString & a, const TiXmlString & b) { return !(a < b); }
-
-inline bool operator == (const TiXmlString & a, const char* b) { return strcmp(a.c_str(), b) == 0; }
-inline bool operator == (const char* a, const TiXmlString & b) { return b == a; }
-inline bool operator != (const TiXmlString & a, const char* b) { return !(a == b); }
-inline bool operator != (const char* a, const TiXmlString & b) { return !(b == a); }
-
-TiXmlString operator + (const TiXmlString & a, const TiXmlString & b);
-TiXmlString operator + (const TiXmlString & a, const char* b);
-TiXmlString operator + (const char* a, const TiXmlString & b);
-
-
-/*
- TiXmlOutStream is an emulation of std::ostream. It is based on TiXmlString.
- Only the operators that we need for TinyXML have been developped.
-*/
-class TiXmlOutStream : public TiXmlString
-{
-public :
-
- // TiXmlOutStream << operator.
- TiXmlOutStream & operator << (const TiXmlString & in)
- {
- *this += in;
- return *this;
- }
-
- // TiXmlOutStream << operator.
- TiXmlOutStream & operator << (const char * in)
- {
- *this += in;
- return *this;
- }
-
-} ;
-
-#endif // TIXML_STRING_INCLUDED
-#endif // TIXML_USE_STL