thymian: 3rdparty/tinyxml/tinystr.h comparison

comparison 3rdparty/tinyxml/tinystr.h @ 0:a4671277546c tip

created the repository for the thymian project

author	ferencd
date	Tue, 17 Aug 2021 11:19:54 +0200
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--1:000000000000
+:a4671277546c
+/*
+www.sourceforge.net/projects/tinyxml
+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.
+*/
+#ifndef TIXML_USE_STL
+#ifndef TIXML_STRING_INCLUDED
+#define TIXML_STRING_INCLUDED
+#include <assert.h>
+#include <string.h>
+/*	The support for explicit isn't that universal, and it isn't really
+	required - it is used to check that the TiXmlString class isn't incorrectly
+	used. Be nice to old compilers and macro it here:
+*/
+#if defined(_MSC_VER) && (_MSC_VER >= 1200 )
+	// Microsoft visual studio, version 6 and higher.
+	#define TIXML_EXPLICIT explicit
+#elif defined(__GNUC__) && (__GNUC__ >= 3 )
+	// GCC version 3 and higher.s
+	#define TIXML_EXPLICIT explicit
+#else
+	#define TIXML_EXPLICIT
+#endif
+/*
+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 size_t 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) : rep_(0)
+	{
+		init(copy.length());
+		memcpy(start(), copy.data(), length());
+	}
+	// TiXmlString constructor, based on a string
+	TIXML_EXPLICIT TiXmlString ( const char * copy) : rep_(0)
+	{
+		init( static_cast<size_type>( strlen(copy) ));
+		memcpy(start(), copy, length());
+	}
+	// TiXmlString constructor, based on a string
+	TIXML_EXPLICIT TiXmlString ( const char * str, size_type len) : rep_(0)
+	{
+		init(len);
+		memcpy(start(), str, len);
+	}
+	// TiXmlString destructor
+	~TiXmlString ()
+	{
+		quit();
+	}
+	TiXmlString& operator = (const char * copy)
+	{
+	        return assign( copy, static_cast<size_type>(strlen(copy)));
+	}
+	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)
+		{
+			// Lee: the original form:
+			//	rep_ = static_cast<Rep*>(operator new(sizeof(Rep) + cap));
+			// doesn't work in some cases of new being overloaded. Switching
+			// to the normal allocation, although use an 'int' for systems
+			// that are overly picky about structure alignment.
+			const size_type bytesNeeded = sizeof(Rep) + cap;
+			const size_type intsNeeded = ( bytesNeeded + sizeof(int) - 1 ) / sizeof( int );
+			rep_ = reinterpret_cast<Rep*>( new int[ intsNeeded ] );
+			rep_->str[ rep_->size = sz ] = '\0';
+			rep_->capacity = cap;
+		}
+		else
+		{
+			rep_ = &nullrep_;
+		}
+	}
+	void quit()
+	{
+		if (rep_ != &nullrep_)
+		{
+			// The rep_ is really an array of ints. (see the allocator, above).
+			// Cast it back before delete, so the compiler won't incorrectly call destructors.
+			delete [] ( reinterpret_cast<int*>( 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

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comparison 3rdparty/tinyxml/tinystr.h @ 0:a4671277546c tip