mirror of
https://github.com/ioquake/jedi-academy.git
synced 2024-11-14 08:50:36 +00:00
1180 lines
No EOL
28 KiB
C++
1180 lines
No EOL
28 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////
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// RAVEN STANDARD TEMPLATE LIBRARY
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// (c) 2002 Activision
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//
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//
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// Common
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// ------
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// The raven libraries contain a number of common defines, enums, and typedefs which
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// need to be accessed by all templates. Each of these is included here.
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//
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// Also included is a safeguarded assert file for all the asserts in RTL.
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//
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// This file is included in EVERY TEMPLATE, so it should be very light in order to
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// reduce compile times.
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//
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//
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// Format
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// ------
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// In order to simplify code and provide readability, the template library has some
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// standard formats. Any new templates or functions should adhere to these formats:
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//
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// - All memory is statically allocated, usually by parameter SIZE
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// - All classes provide an enum which defines constant variables, including CAPACITY
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// - All classes which moniter the number of items allocated provide the following functions:
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// size() - the number of objects
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// empty() - does the container have zero objects
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// full() - does the container have any room left for more objects
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// clear() - remove all objects
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//
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//
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// - Functions are defined in the following order:
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// Capacity
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// Constructors (copy, from string, etc...)
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// Range (size(), empty(), full(), clear(), etc...)
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// Access (operator[], front(), back(), etc...)
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// Modification (add(), remove(), push(), pop(), etc...)
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// Iteration (begin(), end(), insert(), erase(), find(), etc...)
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//
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//
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// NOTES:
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//
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//
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//
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////////////////////////////////////////////////////////////////////////////////////////
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#if !defined(RATL_COMMON_INC)
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#define RATL_COMMON_INC
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////////////////////////////////////////////////////////////////////////////////////////
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// In VC++, Don't Bother With These Warnings
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////////////////////////////////////////////////////////////////////////////////////////
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#if defined(_MSC_VER) && !defined(__MWERKS__)
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#pragma warning ( disable : 4786 ) // Truncated to 255 characters warning
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#pragma warning ( disable : 4284 ) // nevamind what this is
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#pragma warning ( disable : 4100 ) // unreferenced formal parameter
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#pragma warning ( disable : 4512 ) // unable to generate default operator=
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#pragma warning ( disable : 4130 ) // logical operation on address of string constant
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#pragma warning ( disable : 4127 ) // conditional expression is constant
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#endif
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////////////////////////////////////////////////////////////////////////////////////////
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// Includes
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////////////////////////////////////////////////////////////////////////////////////////
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#if !defined(ASSERT_H_INC)
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#include <assert.h>
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#define ASSERT_H_INC
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#endif
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#if !defined(STRING_H_INC)
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#include <string.h>
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#define STRING_H_INC
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#endif
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////////////////////////////////////////////////////////////////////////////////////////
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// Forward Dec.
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////////////////////////////////////////////////////////////////////////////////////////
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class hfile;
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// I don't know why this needs to be in the global namespace, but it does
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class TRatlNew;
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inline void *operator new(size_t,TRatlNew *where)
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{
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return where;
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}
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inline void operator delete(void *, TRatlNew *)
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{
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return;
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}
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namespace ratl
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{
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#ifdef _DEBUG
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extern int HandleSaltValue; //this is used in debug for global uniqueness of handles
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extern int FoolTheOptimizer; //this is used to make sure certain things aren't optimized out
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#endif
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////////////////////////////////////////////////////////////////////////////////////////
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// All Raven Template Library Internal Memory Operations
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//
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// This is mostly for future use. For now, they only provide a simple interface with
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// a couple extra functions (eql and clr).
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////////////////////////////////////////////////////////////////////////////////////////
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namespace mem
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{
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////////////////////////////////////////////////////////////////////////////////////////
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// The Align Struct Is The Root Memory Structure for Inheritance and Object Semantics
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//
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// In most cases, we just want a simple int. However, sometimes we need to use an
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// unsigned character array
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//
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////////////////////////////////////////////////////////////////////////////////////////
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#if defined(_MSC_VER) && !defined(__MWERKS__)
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struct alignStruct
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{
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int space;
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};
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#else
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struct alignStruct
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{
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unsigned char space[16];
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} __attribute__ ((aligned(16)));
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#endif
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inline void* cpy( void *dest, const void *src, size_t count )
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{
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return memcpy(dest, src, count);
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}
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inline void* set( void *dest, int c, size_t count )
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{
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return memset(dest, c, count);
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}
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inline int cmp( const void *buf1, const void *buf2, size_t count )
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{
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return memcmp( buf1, buf2, count );
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}
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inline bool eql( const void *buf1, const void *buf2, size_t count )
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{
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return (memcmp( buf1, buf2, count )==0);
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}
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inline void* zero( void *dest, size_t count )
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{
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return memset(dest, 0, count);
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}
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template<class T>
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inline void cpy( T *dest, const T *src)
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{
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cpy(dest, src, sizeof(T));
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}
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template<class T>
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inline void set(T *dest, int c)
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{
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set(dest, c, sizeof(T));
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}
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template<class T>
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inline void swap(T *s1, T *s2)
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{
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unsigned char temp[sizeof(T)];
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cpy((T *)temp,s1);
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cpy(s1,s2);
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cpy(s2,(T *)temp);
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}
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template<class T>
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inline int cmp( const T *buf1, const T *buf2)
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{
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return cmp( buf1, buf2, sizeof(T) );
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}
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template<class T>
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inline bool eql( const T *buf1, const T *buf2)
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{
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return cmp( buf1, buf2,sizeof(T))==0;
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}
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template<class T>
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inline void zero( T *dest )
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{
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return set(dest, 0, sizeof(T));
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}
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}
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namespace str
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{
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inline int len(const char *src)
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{
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return strlen(src);
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}
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inline void cpy(char *dest,const char *src)
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{
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strcpy(dest,src);
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}
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inline void ncpy(char *dest,const char *src,int destBufferLen)
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{
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strncpy(dest,src,destBufferLen);
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}
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inline void cat(char *dest,const char *src)
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{
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strcat(dest,src);
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}
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inline void ncat(char *dest,const char *src,int destBufferLen)
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{
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ncpy(dest+len(dest),src,destBufferLen-len(dest));
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}
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inline int cmp(const char *s1,const char *s2)
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{
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return strcmp(s1,s2);
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}
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inline bool eql(const char *s1,const char *s2)
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{
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return !strcmp(s1,s2);
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}
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inline int icmp(const char *s1,const char *s2)
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{
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return stricmp(s1,s2);
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}
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inline int cmpi(const char *s1,const char *s2)
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{
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return stricmp(s1,s2);
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}
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inline bool ieql(const char *s1,const char *s2)
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{
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return !stricmp(s1,s2);
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}
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inline bool eqli(const char *s1,const char *s2)
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{
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return !stricmp(s1,s2);
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}
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inline char *tok(char *s,const char *gap)
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{
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return strtok(s,gap);
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}
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void to_upper(char *dest);
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void to_lower(char *dest);
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void printf(char *dest,const char *formatS, ...);
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// The Raven Template Library Compile Assert
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//
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// If, during compile time the stuff under (condition) is zero, this code will not
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// compile.
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////////////////////////////////////////////////////////////////////////////////////////
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template<int condition>
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class compile_assert
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{
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#ifdef _DEBUG
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int junk[(1 - (2 * !condition))]; // Look At Where This Was Being Compiled
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public:
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compile_assert()
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{
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assert(condition);
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junk[0]=FoolTheOptimizer++;
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}
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int operator()()
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{
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assert(condition);
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FoolTheOptimizer++;
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return junk[0];
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}
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#else
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public:
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int operator()()
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{
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return 1;
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}
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#endif;
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};
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////////////////////////////////////////////////////////////////////////////////////////
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// The Raven Template Library Base Class
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//
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// This is the base class for all the Raven Template Library container classes like
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// vector_vs and pool_vs.
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//
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// This class might be a good place to put memory profile code in the future.
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//
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////////////////////////////////////////////////////////////////////////////////////////
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class ratl_base
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{
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public:
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#ifndef _XBOX
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void save(hfile& file);
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void load(hfile& file);
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#endif
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void ProfilePrint(const char * format, ...);
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public:
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static void* OutputPrint;
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};
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////////////////////////////////////////////////////////////////////////////////////////
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// this is a simplified version of bits_vs
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////////////////////////////////////////////////////////////////////////////////////////
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template <int SZ>
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class bits_base
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{
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protected:
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enum
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{
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BITS_SHIFT = 5, // 5. Such A Nice Number
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BITS_INT_SIZE = 32, // Size Of A Single Word
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BITS_AND = (BITS_INT_SIZE - 1), // Used For And Operation
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ARRAY_SIZE = ((SZ + BITS_AND)/(BITS_INT_SIZE)), // Num Words Used
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BYTE_SIZE = (ARRAY_SIZE*sizeof(unsigned int)), // Num Bytes Used
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};
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////////////////////////////////////////////////////////////////////////////////////
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// Data
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////////////////////////////////////////////////////////////////////////////////////
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unsigned int mV[ARRAY_SIZE];
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public:
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enum
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{
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SIZE = SZ,
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CAPACITY = SZ,
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};
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bits_base(bool init=true,bool initValue=false)
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{
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if (init)
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{
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if (initValue)
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{
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set();
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}
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else
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{
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clear();
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}
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}
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}
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void clear()
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{
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mem::zero(&mV,BYTE_SIZE);
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}
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void set()
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{
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mem::set(&mV, 0xff,BYTE_SIZE);
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}
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void set_bit(const int i)
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{
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assert(i>=0 && i < SIZE);
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mV[i>>BITS_SHIFT] |= (1<<(i&BITS_AND));
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}
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void clear_bit(const int i)
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{
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assert(i>=0 && i < SIZE);
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mV[i>>BITS_SHIFT] &= ~(1<<(i&BITS_AND));
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}
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void mark_bit(const int i, bool set)
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{
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assert(i>=0 && i < SIZE);
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if (set)
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{
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mV[i>>BITS_SHIFT] |= (1<<(i&BITS_AND));
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}
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else
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{
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mV[i>>BITS_SHIFT] &= ~(1<<(i&BITS_AND));
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}
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}
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bool operator[](const int i) const
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{
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assert(i>=0 && i < SIZE);
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return (mV[i>>BITS_SHIFT] & (1<<(i&BITS_AND)))!=0;
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}
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int next_bit(int start=0,bool onBit=true) const
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{
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assert(start>=0&&start<=SIZE); //we have to accept start==size for the way the loops are done
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if (start>=SIZE)
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{
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return SIZE; // Did Not Find
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}
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// Get The Word Which Contains The Start Bit & Mask Out Everything Before The Start Bit
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//--------------------------------------------------------------------------------------
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unsigned int v = mV[start>>BITS_SHIFT];
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if (!onBit)
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{
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v= (~v);
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}
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v >>= (start&31);
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// Search For The First Non Zero Word In The Array
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//-------------------------------------------------
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while(!v)
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{
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start = (start & (~(BITS_INT_SIZE-1))) + BITS_INT_SIZE;
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if (start>=SIZE)
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{
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return SIZE; // Did Not Find
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}
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v = mV[start>>BITS_SHIFT];
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if (!onBit)
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{
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v= (~v);
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}
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}
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// So, We've Found A Non Zero Word, So Start Masking Against Parts To Skip Over Bits
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//-----------------------------------------------------------------------------------
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if (!(v&0xffff))
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{
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start+=16;
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v>>=16;
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}
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if (!(v&0xff))
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{
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start+=8;
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v>>=8;
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}
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if (!(v&0xf))
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{
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start+=4;
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v>>=4;
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}
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// Time To Search Each Bit
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//-------------------------
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while(!(v&1))
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{
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start++;
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v>>=1;
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}
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if (start>=SIZE)
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{
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return SIZE;
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}
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return start;
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}
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};
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////////////////////////////////////////////////////////////////////////////////////////
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// Raven Standard Compare Class
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////////////////////////////////////////////////////////////////////////////////////////
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struct ratl_compare
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{
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float mCost;
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int mHandle;
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bool operator<(const ratl_compare& t) const
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{
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return (mCost<t.mCost);
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}
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};
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|
|
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////////////////////////////////////////////////////////////////////////////////////////
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// this is used to keep track of the constuction state for things that are always constucted
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////////////////////////////////////////////////////////////////////////////////////////
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class bits_true
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{
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public:
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void clear()
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{
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}
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void set()
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{
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}
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void set_bit(const int i)
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{
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}
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void clear_bit(const int i)
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{
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}
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bool operator[](const int i) const
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{
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return true;
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}
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int next_bit(int start=0,bool onBit=true) const
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{
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assert(onBit); ///I didn't want to add the sz template arg, you could though
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return start;
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}
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};
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namespace storage
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{
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template<class T,int SIZE>
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struct value_semantics
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{
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enum
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{
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CAPACITY = SIZE,
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};
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typedef T TAlign; // this is any type that has the right alignment
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typedef T TValue; // this is the actual thing the user uses
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typedef T TStorage; // this is what we make our array of
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typedef bits_true TConstructed;
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typedef TStorage TArray[SIZE];
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|
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enum
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{
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NEEDS_CONSTRUCT=0,
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TOTAL_SIZE=sizeof(TStorage),
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VALUE_SIZE=sizeof(TStorage),
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};
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static void construct(TStorage *)
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{
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|
}
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static void construct(TStorage *me,const TValue &v)
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{
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*me=v;
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}
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static void destruct(TStorage *)
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{
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|
}
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static TRatlNew *raw(TStorage *me)
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{
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return (TRatlNew *)me;
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}
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static T * ptr(TStorage *me)
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{
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return me;
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}
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static const T * ptr(const TStorage *me)
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{
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return me;
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}
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static T & ref(TStorage *me)
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{
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return *me;
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}
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static const T & ref(const TStorage *me)
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{
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return *me;
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}
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static T *raw_array(TStorage *me)
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{
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return me;
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}
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static const T *raw_array(const TStorage *me)
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|
{
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return me;
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}
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static void swap(TStorage *s1,TStorage *s2)
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|
{
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mem::swap(ptr(s1),ptr(s2));
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|
}
|
|
static int pointer_to_index(const void *s1,const void *s2)
|
|
{
|
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return ((TStorage *)s1)-((TStorage *)s2);
|
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}
|
|
};
|
|
template<class T,int SIZE>
|
|
struct object_semantics
|
|
{
|
|
enum
|
|
{
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CAPACITY = SIZE,
|
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};
|
|
typedef mem::alignStruct TAlign; // this is any type that has the right alignment
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typedef T TValue; // this is the actual thing the user uses
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|
|
typedef bits_base<SIZE> TConstructed;
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|
|
struct TStorage
|
|
{
|
|
TAlign mMemory[((sizeof(T) + sizeof(TAlign) -1 )/sizeof(TAlign))];
|
|
};
|
|
typedef TStorage TArray[SIZE];
|
|
|
|
enum
|
|
{
|
|
NEEDS_CONSTRUCT=1,
|
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TOTAL_SIZE=sizeof(TStorage),
|
|
VALUE_SIZE=sizeof(TStorage),
|
|
};
|
|
|
|
static void construct(TStorage *me)
|
|
{
|
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new(raw(me)) TValue();
|
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}
|
|
static void construct(TStorage *me,const TValue &v)
|
|
{
|
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new(raw(me)) TValue(v);
|
|
}
|
|
static void destruct(TStorage *me)
|
|
{
|
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ptr(me)->~T();
|
|
}
|
|
static TRatlNew *raw(TStorage *me)
|
|
{
|
|
return (TRatlNew *)me;
|
|
}
|
|
static T * ptr(TStorage *me)
|
|
{
|
|
return (T *)me;
|
|
}
|
|
static const T * ptr(const TStorage *me)
|
|
{
|
|
return (const T *)me;
|
|
}
|
|
static T & ref(TStorage *me)
|
|
{
|
|
return *(T *)me;
|
|
}
|
|
static const T & ref(const TStorage *me)
|
|
{
|
|
return *(const T *)me;
|
|
}
|
|
static void swap(TStorage *s1,TStorage *s2)
|
|
{
|
|
TValue temp(ref(s1));
|
|
ref(s1)=ref(s2);
|
|
ref(s2)=temp;
|
|
}
|
|
static int pointer_to_index(const void *s1,const void *s2)
|
|
{
|
|
return ((TStorage *)s1)-((TStorage *)s2);
|
|
}
|
|
};
|
|
template<class T,int SIZE,int MAX_CLASS_SIZE>
|
|
struct virtual_semantics
|
|
{
|
|
enum
|
|
{
|
|
CAPACITY = SIZE,
|
|
};
|
|
typedef mem::alignStruct TAlign; // this is any type that has the right alignment
|
|
typedef T TValue; // this is the actual thing the user uses
|
|
|
|
typedef bits_base<SIZE> TConstructed;
|
|
|
|
struct TStorage
|
|
{
|
|
TAlign mMemory[((MAX_CLASS_SIZE + sizeof(TAlign) -1 )/sizeof(TAlign))];
|
|
};
|
|
typedef TStorage TArray[SIZE];
|
|
|
|
enum
|
|
{
|
|
NEEDS_CONSTRUCT=1,
|
|
TOTAL_SIZE=sizeof(TStorage),
|
|
VALUE_SIZE=MAX_CLASS_SIZE,
|
|
};
|
|
|
|
static void construct(TStorage *me)
|
|
{
|
|
new(raw(me)) TValue();
|
|
}
|
|
static void destruct(TStorage *me)
|
|
{
|
|
ptr(me)->~T();
|
|
}
|
|
static TRatlNew *raw(TStorage *me)
|
|
{
|
|
return (TRatlNew *)me;
|
|
}
|
|
static T * ptr(TStorage *me)
|
|
{
|
|
return (T *)me;
|
|
}
|
|
static const T * ptr(const TStorage *me)
|
|
{
|
|
return (const T *)me;
|
|
}
|
|
static T & ref(TStorage *me)
|
|
{
|
|
return *(T *)me;
|
|
}
|
|
static const T & ref(const TStorage *me)
|
|
{
|
|
return *(const T *)me;
|
|
}
|
|
// this is a bit suspicious, we are forced to do a memory swap, and for a class, that, say
|
|
// stores a pointer to itself, it won't work right
|
|
static void swap(TStorage *s1,TStorage *s2)
|
|
{
|
|
mem::swap(s1,s2);
|
|
}
|
|
static int pointer_to_index(const void *s1,const void *s2)
|
|
{
|
|
return ((TStorage *)s1)-((TStorage *)s2);
|
|
}
|
|
template<class CAST_TO>
|
|
static CAST_TO *verify_alloc(CAST_TO *p)
|
|
{
|
|
#ifdef _DEBUG
|
|
assert(p);
|
|
assert(dynamic_cast<const T *>(p));
|
|
T *ptr=p; // if this doesn't compile, you are trying to alloc something that is not derived from base
|
|
assert(dynamic_cast<const CAST_TO *>(ptr));
|
|
int i=VALUE_SIZE;
|
|
int k=MAX_CLASS_SIZE;
|
|
int j=sizeof(CAST_TO);
|
|
compile_assert<sizeof(CAST_TO)<=MAX_CLASS_SIZE>();
|
|
assert(sizeof(CAST_TO)<=MAX_CLASS_SIZE);
|
|
#endif
|
|
return p;
|
|
}
|
|
};
|
|
|
|
// The below versions are for nodes
|
|
|
|
template<class T,int SIZE,class NODE>
|
|
struct value_semantics_node
|
|
{
|
|
enum
|
|
{
|
|
CAPACITY = SIZE,
|
|
};
|
|
struct SNode
|
|
{
|
|
NODE nodeData;
|
|
T value;
|
|
};
|
|
typedef SNode TAlign; // this is any type that has the right alignment
|
|
typedef T TValue; // this is the actual thing the user uses
|
|
typedef SNode TStorage; // this is what we make our array of
|
|
|
|
typedef bits_true TConstructed;
|
|
typedef TStorage TArray[SIZE];
|
|
|
|
enum
|
|
{
|
|
NEEDS_CONSTRUCT=0,
|
|
TOTAL_SIZE=sizeof(TStorage),
|
|
VALUE_SIZE=sizeof(TValue),
|
|
};
|
|
static void construct(TStorage *)
|
|
{
|
|
|
|
}
|
|
static void construct(TStorage *me,const TValue &v)
|
|
{
|
|
me->value=v;
|
|
}
|
|
static void destruct(TStorage *)
|
|
{
|
|
|
|
}
|
|
static TRatlNew *raw(TStorage *me)
|
|
{
|
|
return (TRatlNew *)&me->value;
|
|
}
|
|
static T * ptr(TStorage *me)
|
|
{
|
|
return &me->value;
|
|
}
|
|
static const T * ptr(const TStorage *me)
|
|
{
|
|
return &me->value;
|
|
}
|
|
static T & ref(TStorage *me)
|
|
{
|
|
return me->value;
|
|
}
|
|
static const T & ref(const TStorage *me)
|
|
{
|
|
return me->value;
|
|
}
|
|
// this ugly unsafe cast-hack is a backhanded way of getting the node data from the value data
|
|
// this is so node support does not need to be added to the primitive containers
|
|
static NODE & node(TValue &v)
|
|
{
|
|
return *(NODE *)((unsigned char *)(&v)+int(&((TStorage *)0)->nodeData)-int(&((TStorage *)0)->value));
|
|
}
|
|
static const NODE & node(const TValue &v)
|
|
{
|
|
return *(const NODE *)((unsigned char *)(&v)+int(&((TStorage *)0)->nodeData)-int(&((TStorage *)0)->value));
|
|
}
|
|
static void swap(TStorage *s1,TStorage *s2)
|
|
{
|
|
mem::swap(&s1->value,&s2->value);
|
|
}
|
|
// this is hideous
|
|
static int pointer_to_index(const void *s1,const void *s2)
|
|
{
|
|
return
|
|
((TStorage *)(((unsigned char *)s1)-int(&((TStorage *)0)->value))) -
|
|
((TStorage *)(((unsigned char *)s2)-int(&((TStorage *)0)->value)));
|
|
}
|
|
};
|
|
|
|
template<class T,int SIZE,class NODE>
|
|
struct object_semantics_node
|
|
{
|
|
enum
|
|
{
|
|
CAPACITY = SIZE,
|
|
};
|
|
typedef mem::alignStruct TAlign; // this is any type that has the right alignment
|
|
typedef T TValue; // this is the actual thing the user uses
|
|
|
|
typedef bits_base<SIZE> TConstructed;
|
|
|
|
struct TValueStorage
|
|
{
|
|
TAlign mMemory[((sizeof(T) + sizeof(TAlign) -1 )/sizeof(TAlign))];
|
|
};
|
|
struct SNode
|
|
{
|
|
NODE nodeData;
|
|
TValueStorage value;
|
|
};
|
|
typedef SNode TStorage; // this is what we make our array of
|
|
typedef TStorage TArray[SIZE];
|
|
|
|
|
|
enum
|
|
{
|
|
NEEDS_CONSTRUCT=0,
|
|
TOTAL_SIZE=sizeof(TStorage),
|
|
VALUE_SIZE=sizeof(TValueStorage),
|
|
};
|
|
|
|
static void construct(TStorage *me)
|
|
{
|
|
new(raw(me)) TValue();
|
|
}
|
|
static void construct(TStorage *me,const TValue &v)
|
|
{
|
|
new(raw(me)) TValue(v);
|
|
}
|
|
static void destruct(TStorage *me)
|
|
{
|
|
ptr(me)->~T();
|
|
}
|
|
static TRatlNew *raw(TStorage *me)
|
|
{
|
|
return (TRatlNew *)&me->value;
|
|
}
|
|
static T * ptr(TStorage *me)
|
|
{
|
|
return (T *)&me->value;
|
|
}
|
|
static const T * ptr(const TStorage *me)
|
|
{
|
|
return (const T *)&me->value;
|
|
}
|
|
static T & ref(TStorage *me)
|
|
{
|
|
return *(T *)&me->value;
|
|
}
|
|
static const T & ref(const TStorage *me)
|
|
{
|
|
return *(const T *)&me->value;
|
|
}
|
|
static NODE & node(TStorage *me)
|
|
{
|
|
return me->nodeData;
|
|
}
|
|
static const NODE & node(const TStorage *me)
|
|
{
|
|
return me->nodeData;
|
|
}
|
|
// this ugly unsafe cast-hack is a backhanded way of getting the node data from the value data
|
|
// this is so node support does not need to be added to the primitive containers
|
|
static NODE & node(TValue &v)
|
|
{
|
|
return *(NODE *)((unsigned char *)(&v)+int(&((TStorage *)0)->nodeData)-int(&((TStorage *)0)->value));
|
|
}
|
|
static const NODE & node(const TValue &v)
|
|
{
|
|
return *(const NODE *)((unsigned char *)(&v)+int(&((TStorage *)0)->nodeData)-int(&((TStorage *)0)->value));
|
|
}
|
|
static void swap(TStorage *s1,TStorage *s2)
|
|
{
|
|
TValue temp(ref(s1));
|
|
ref(s1)=ref(s2);
|
|
ref(s2)=temp;
|
|
}
|
|
// this is hideous
|
|
static int pointer_to_index(const void *s1,const void *s2)
|
|
{
|
|
return
|
|
((TStorage *)(((unsigned char *)s1)-int(&((TStorage *)0)->value))) -
|
|
((TStorage *)(((unsigned char *)s2)-int(&((TStorage *)0)->value)));
|
|
}
|
|
};
|
|
template<class T,int SIZE,int MAX_CLASS_SIZE,class NODE>
|
|
struct virtual_semantics_node
|
|
{
|
|
enum
|
|
{
|
|
CAPACITY = SIZE,
|
|
};
|
|
typedef mem::alignStruct TAlign; // this is any type that has the right alignment
|
|
typedef T TValue; // this is the actual thing the user uses
|
|
|
|
typedef bits_base<SIZE> TConstructed;
|
|
|
|
struct TValueStorage
|
|
{
|
|
TAlign mMemory[((MAX_CLASS_SIZE + sizeof(TAlign) -1 )/sizeof(TAlign))];
|
|
};
|
|
struct SNode
|
|
{
|
|
NODE nodeData;
|
|
TValueStorage value;
|
|
};
|
|
typedef SNode TStorage; // this is what we make our array of
|
|
typedef TStorage TArray[SIZE];
|
|
|
|
enum
|
|
{
|
|
NEEDS_CONSTRUCT=1,
|
|
TOTAL_SIZE=sizeof(TStorage),
|
|
VALUE_SIZE=sizeof(TValueStorage),
|
|
};
|
|
|
|
static void construct(TStorage *me)
|
|
{
|
|
new(raw(me)) TValue();
|
|
}
|
|
static void destruct(TStorage *me)
|
|
{
|
|
ptr(me)->~T();
|
|
}
|
|
static TRatlNew *raw(TStorage *me)
|
|
{
|
|
return (TRatlNew *)&me->value;
|
|
}
|
|
static T * ptr(TStorage *me)
|
|
{
|
|
return (T *)&me->value;
|
|
}
|
|
static const T * ptr(const TStorage *me)
|
|
{
|
|
return (const T *)&me->value;
|
|
}
|
|
static T & ref(TStorage *me)
|
|
{
|
|
return *(T *)&me->value;
|
|
}
|
|
static const T & ref(const TStorage *me)
|
|
{
|
|
return *(const T *)&me->value;
|
|
}
|
|
static NODE & node(TStorage *me)
|
|
{
|
|
return me->nodeData;
|
|
}
|
|
static const NODE & node(const TStorage *me)
|
|
{
|
|
return me->nodeData;
|
|
}
|
|
// this ugly unsafe cast-hack is a backhanded way of getting the node data from the value data
|
|
// this is so node support does not need to be added to the primitive containers
|
|
static NODE & node(TValue &v)
|
|
{
|
|
return *(NODE *)((unsigned char *)(&v)+int(&((TStorage *)0)->nodeData)-int(&((TStorage *)0)->value));
|
|
}
|
|
static const NODE & node(const TValue &v)
|
|
{
|
|
return *(const NODE *)((unsigned char *)(&v)+int(&((TStorage *)0)->nodeData)-int(&((TStorage *)0)->value));
|
|
}
|
|
// this is a bit suspicious, we are forced to do a memory swap, and for a class, that, say
|
|
// stores a pointer to itself, it won't work right
|
|
static void swap(TStorage *s1,TStorage *s2)
|
|
{
|
|
mem::swap(&s1->value,&s2->value);
|
|
}
|
|
// this is hideous
|
|
static int pointer_to_index(const void *s1,const void *s2)
|
|
{
|
|
return
|
|
((TStorage *)(((unsigned char *)s1)-int(&((TStorage *)0)->value))) -
|
|
((TStorage *)(((unsigned char *)s2)-int(&((TStorage *)0)->value)));
|
|
}
|
|
template<class CAST_TO>
|
|
static CAST_TO *verify_alloc(CAST_TO *p)
|
|
{
|
|
#ifdef _DEBUG
|
|
assert(p);
|
|
assert(dynamic_cast<const T *>(p));
|
|
T *ptr=p; // if this doesn't compile, you are trying to alloc something that is not derived from base
|
|
assert(dynamic_cast<const CAST_TO *>(ptr));
|
|
int i=VALUE_SIZE;
|
|
int k=MAX_CLASS_SIZE;
|
|
int j=sizeof(CAST_TO);
|
|
compile_assert<sizeof(CAST_TO)<=MAX_CLASS_SIZE>();
|
|
assert(sizeof(CAST_TO)<=MAX_CLASS_SIZE);
|
|
#endif
|
|
return p;
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
|
// The Array Base Class, used for most containers
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
|
template<class T>
|
|
class array_base : public ratl_base
|
|
{
|
|
public:
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
// Capacity Enum
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
enum
|
|
{
|
|
CAPACITY = T::CAPACITY,
|
|
SIZE = T::CAPACITY,
|
|
};
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
// Data
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
typedef typename T TStorageTraits;
|
|
typedef typename T::TArray TTArray;
|
|
typedef typename T::TValue TTValue;
|
|
typedef typename T::TConstructed TTConstructed;
|
|
|
|
private:
|
|
TTArray mArray;
|
|
TTConstructed mConstructed;
|
|
|
|
public:
|
|
|
|
array_base()
|
|
{
|
|
}
|
|
|
|
~array_base()
|
|
{
|
|
clear();
|
|
}
|
|
|
|
void clear()
|
|
{
|
|
if (T::NEEDS_CONSTRUCT)
|
|
{
|
|
int i=mConstructed.next_bit();
|
|
while (i<SIZE)
|
|
{
|
|
T::destruct(mArray+i);
|
|
i=mConstructed.next_bit(i+1);
|
|
}
|
|
mConstructed.clear();
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
// Access Operator
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
TTValue& operator[](int index)
|
|
{
|
|
assert(index>=0 && index<SIZE);
|
|
assert(mConstructed[index]);
|
|
return T::ref(mArray+index);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
// Const Access Operator
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
const TTValue& operator[](int index) const
|
|
{
|
|
assert(index>=0 && index<SIZE);
|
|
assert(mConstructed[index]);
|
|
return T::ref(mArray+index);
|
|
}
|
|
|
|
void construct(int i)
|
|
{
|
|
if (T::NEEDS_CONSTRUCT)
|
|
{
|
|
assert(!mConstructed[i]);
|
|
T::construct(mArray+i);
|
|
mConstructed.set_bit(i);
|
|
}
|
|
}
|
|
void construct(int i, const TTValue &v)
|
|
{
|
|
assert(i>=0 && i<SIZE);
|
|
T::construct(mArray+i,v);
|
|
if (T::NEEDS_CONSTRUCT)
|
|
{
|
|
assert(!mConstructed[i]);
|
|
mConstructed.set_bit(i);
|
|
}
|
|
}
|
|
void fill(const TTValue &v)
|
|
{
|
|
clear();
|
|
int i;
|
|
for (i=0;i<SIZE;i++)
|
|
{
|
|
T::construct(mArray+i,v);
|
|
}
|
|
if (T::NEEDS_CONSTRUCT)
|
|
{
|
|
mConstructed.set();
|
|
}
|
|
}
|
|
void swap(int i,int j)
|
|
{
|
|
assert(i>=0 && i<SIZE);
|
|
assert(j>=0 && j<SIZE);
|
|
assert(i!=j);
|
|
assert(mConstructed[i]);
|
|
assert(mConstructed[j]);
|
|
T::swap(mArray+i,mArray+j);
|
|
}
|
|
|
|
TRatlNew *alloc_raw(int i)
|
|
{
|
|
assert(i>=0 && i<SIZE);
|
|
if (T::NEEDS_CONSTRUCT)
|
|
{
|
|
assert(!mConstructed[i]);
|
|
mConstructed.set_bit(i);
|
|
}
|
|
return T::raw(mArray+i);
|
|
}
|
|
void destruct(int i)
|
|
{
|
|
assert(i>=0 && i<SIZE);
|
|
assert(mConstructed[i]);
|
|
if (T::NEEDS_CONSTRUCT)
|
|
{
|
|
T::destruct(mArray+i);
|
|
mConstructed.clear_bit(i);
|
|
}
|
|
}
|
|
int pointer_to_index(const TTValue *me) const
|
|
{
|
|
int index=T::pointer_to_index(me,mArray);
|
|
assert(index>=0 && index<SIZE);
|
|
assert(mConstructed[index]);
|
|
return index;
|
|
}
|
|
int pointer_to_index(const TRatlNew *me) const
|
|
{
|
|
int index=T::pointer_to_index(me,mArray);
|
|
assert(index>=0 && index<SIZE);
|
|
assert(mConstructed[index]);
|
|
return index;
|
|
}
|
|
typename T::TValue *raw_array()
|
|
{
|
|
return T::raw_array(mArray);
|
|
}
|
|
const typename T::TValue *raw_array() const
|
|
{
|
|
return T::raw_array(mArray);
|
|
}
|
|
template<class CAST_TO>
|
|
CAST_TO *verify_alloc(CAST_TO *p) const
|
|
{
|
|
return T::verify_alloc(p);
|
|
}
|
|
|
|
};
|
|
|
|
}
|
|
#endif |