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New ctype functions/macros to support many charsets at a time

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bar@gw.udmsearch.izhnet.ru
2002-03-12 21:37:58 +04:00
parent 4237e7ace7
commit b37ce8e769
83 changed files with 1336 additions and 956 deletions
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94
client/sql_string.h
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@ -24,31 +24,57 @@
#define NOT_FIXED_DEC 31
#endif
class String;
int sortcmp(const String *a,const String *b);
int stringcmp(const String *a,const String *b);
String *copy_if_not_alloced(String *a,String *b,uint32 arg_length);
int wild_case_compare(String &match,String &wild,char escape);
int wild_compare(String &match,String &wild,char escape);
class String
{
char *Ptr;
uint32 str_length,Alloced_length;
bool alloced;
CHARSET_INFO *str_charset;
public:
String()
{ Ptr=0; str_length=Alloced_length=0; alloced=0; }
{
Ptr=0; str_length=Alloced_length=0; alloced=0;
str_charset=default_charset_info;
}
String(uint32 length_arg)
{ alloced=0; Alloced_length=0; (void) real_alloc(length_arg); }
{
alloced=0; Alloced_length=0; (void) real_alloc(length_arg);
str_charset=default_charset_info;
}
String(const char *str)
{ Ptr=(char*) str; str_length=(uint) strlen(str); Alloced_length=0; alloced=0;}
{
Ptr=(char*) str; str_length=(uint) strlen(str); Alloced_length=0; alloced=0;
str_charset=default_charset_info;
}
String(const char *str,uint32 len)
{ Ptr=(char*) str; str_length=len; Alloced_length=0; alloced=0;}
{
Ptr=(char*) str; str_length=len; Alloced_length=0; alloced=0;
str_charset=default_charset_info;
}
String(char *str,uint32 len)
{ Ptr=(char*) str; Alloced_length=str_length=len; alloced=0;}
{
Ptr=(char*) str; Alloced_length=str_length=len; alloced=0;
str_charset=default_charset_info;
}
String(const String &str)
{ Ptr=str.Ptr ; str_length=str.str_length ;
Alloced_length=str.Alloced_length; alloced=0; }
{
Ptr=str.Ptr ; str_length=str.str_length ;
Alloced_length=str.Alloced_length; alloced=0;
str_charset=str.str_charset;
}
static void *operator new(size_t size) { return (void*) sql_alloc((uint) size); }
static void operator delete(void *ptr_arg,size_t size) /*lint -e715 */
{ sql_element_free(ptr_arg); }
~String() { free(); }
inline CHARSET_INFO *charset() const { return str_charset; }
inline uint32 length() const { return str_length;}
inline uint32 alloced_length() const { return Alloced_length;}
inline char& operator [] (uint32 i) const { return Ptr[i]; }
@ -124,7 +150,7 @@ public:
char *new_ptr;
if (!(new_ptr=(char*) my_realloc(Ptr,arg_length,MYF(0))))
{
(void) my_free(Ptr,MYF(0));
Alloced_length = 0;
real_alloc(arg_length);
}
else
@ -153,6 +179,7 @@ public:
bool append(const char *s,uint32 arg_length=0);
bool append(IO_CACHE* file, uint32 arg_length);
int strstr(const String &search,uint32 offset=0); // Returns offset to substring or -1
int strstr_case(const String &s,uint32 offset=0);
int strrstr(const String &search,uint32 offset=0); // Returns offset to substring or -1
bool replace(uint32 offset,uint32 arg_length,const String &to);
inline bool append(char chr)
@ -171,8 +198,8 @@ public:
}
bool fill(uint32 max_length,char fill);
void strip_sp();
inline void caseup() { ::caseup(Ptr,str_length); }
inline void casedn() { ::casedn(Ptr,str_length); }
inline void caseup() { my_caseup(str_charset,Ptr,str_length); }
inline void casedn() { my_casedn(str_charset,Ptr,str_length); }
friend int sortcmp(const String *a,const String *b);
friend int stringcmp(const String *a,const String *b);
friend String *copy_if_not_alloced(String *a,String *b,uint32 arg_length);
@ -180,4 +207,49 @@ public:
friend int wild_compare(String &match,String &wild,char escape);
uint32 numchars();
int charpos(int i,uint32 offset=0);
// added by Holyfoot for "geometry" needs
int reserve(uint32 space_needed)
{
return realloc(str_length + space_needed);
}
int reserve(uint32 space_needed, uint32 grow_by);
// these append operations do NOT check alloced memory
// q_*** methods writes values of parameters itself
// qs_*** methods writes string representation of value
void q_append(const char &c)
{
Ptr[str_length++] = c;
}
void q_append(const uint32 &n)
{
int4store(Ptr + str_length, n);
str_length += 4;
}
void q_append(double d)
{
float8store(Ptr + str_length, d);
str_length += 8;
}
void q_append(double *d)
{
float8store(Ptr + str_length, *d);
str_length += 8;
}
void q_append(const char *data, uint32 data_len)
{
memcpy(Ptr + str_length, data, data_len);
str_length += data_len;
}
void WriteAtPosition(int position, uint32 value)
{
int4store(Ptr + position,value);
}
void qs_append(const char *str);
void qs_append(double d);
void qs_append(double *d);
void qs_append(const char &c);
};