X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=libs%2Ftinyxml%2Ftinystr.h;fp=libs%2Ftinyxml%2Ftinystr.h;h=3c2aa9d54daa7ddafe718a35e54d465479d8caa1;hb=6b896a9e1dc143bba86795be1e9336549db9b85f;hp=0000000000000000000000000000000000000000;hpb=8adfd604a97d385869b0ce763b35d014d7aa2cca;p=fms.git diff --git a/libs/tinyxml/tinystr.h b/libs/tinyxml/tinystr.h new file mode 100644 index 0000000..3c2aa9d --- /dev/null +++ b/libs/tinyxml/tinystr.h @@ -0,0 +1,319 @@ +/* +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 +#include + +/* 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( 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(); + } + + // = 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( 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(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( 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( 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