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Diffstat (limited to 'tinystr.h')
-rw-r--r-- | tinystr.h | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/tinystr.h b/tinystr.h deleted file mode 100644 index aedd2f9..0000000 --- a/tinystr.h +++ /dev/null @@ -1,294 +0,0 @@ -/* -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 |