--- parser3/src/include/pa_string.h 2001/01/26 18:34:02 1.2 +++ parser3/src/include/pa_string.h 2001/01/29 20:46:22 1.12 @@ -1,5 +1,5 @@ /* - $Id: pa_string.h,v 1.2 2001/01/26 18:34:02 paf Exp $ + $Id: pa_string.h,v 1.12 2001/01/29 20:46:22 paf Exp $ */ /* @@ -18,10 +18,25 @@ #ifndef PA_STRING_H #define PA_STRING_H +#ifdef HAVE_CONFIG_H +#include "pa_config.h" +#endif + #include +#include "pa_types.h" + class Pool; +#ifndef NO_STRING_ORIGIN +# define STRING_APPEND_PARAMS const char *src, char *file, uint line +# define APPEND(src, file, line) real_append(src, file, line) +#else +# define STRING_APPEND_PARAMS const char *src +# define APPEND(src, file, line) real_append(src) +#endif + + class String { public: enum { @@ -29,22 +44,35 @@ public: CR_GROW_PERCENT=60 }; -private: - friend Pool; +public: + + void *operator new(size_t size, Pool& apool); + String(Pool& apool); + String(String& src); + size_t size() { return fsize; } + int used_rows() { return fused_rows; } + char *cstr(); + String& real_append(STRING_APPEND_PARAMS); + bool operator == (String& src); + + uint hash_code(); + +protected: // the pool I'm allocated on - Pool *pool; + Pool& pool; + +private: - // last chank allocated count cache - int curr_chunk_rows; struct Chunk { - // the number of rows per chunk + // the number of rows in chunk int count; union Row { // chunk item struct { - char *ptr; // pointer to the start of string fragment + const char *ptr; // pointer to the start of string fragment size_t size; // length of the fragment + Origin origin; // origin of this fragment } item; Chunk *link; // link to the next chunk in chain } rows[CR_PREALLOCATED_COUNT]; @@ -60,34 +88,27 @@ private: // of the link to the next chunk to allocate Chunk::Row *link_row; - // new&constructors made private to enforce factory manufacturing at pool - void *operator new(size_t size, Pool *apool); +private: + // last chank allocated count + int curr_chunk_rows; - void construct(Pool *apool); - String() { /* never */} - String(Pool *apool) { - construct(apool); - } - String(Pool *apool, char *src) { - construct(apool); - *this+=src; - } + // string size + size_t fsize; + + // used rows in all chunks + int fused_rows; + +private: bool chunk_is_full() { return append_here == link_row; } void expand(); - int used_rows(); -public: +private: //disabled - String(String& src); - size_t size(); - char *c_str(); - String& operator += (char *src); - bool operator == (String& src); + String& operator = (const String&) { return *this; } - unsigned int hash_code(); }; #endif