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https://github.com/MariaDB/server.git
synced 2025-08-08 11:22:35 +03:00
MDEV-17906 Class Binary_string
This commit is contained in:
589
sql/sql_string.h
589
sql/sql_string.h
@@ -233,6 +233,12 @@ public:
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!memcmp(ptr(), other->ptr(), length());
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}
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void set(char *str, size_t len)
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{
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Ptr= str;
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str_length= (uint32) len;
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}
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void swap(Static_binary_string &s)
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{
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swap_variables(char *, Ptr, s.Ptr);
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@@ -359,55 +365,54 @@ public:
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};
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class String: public Charset, public Static_binary_string
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class Binary_string: public Static_binary_string
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{
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uint32 Alloced_length, extra_alloc;
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bool alloced,thread_specific;
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public:
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String()
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bool alloced, thread_specific;
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void init_private_data()
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{
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Alloced_length= extra_alloc= 0;
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alloced= thread_specific= 0;
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alloced= thread_specific= false;
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}
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String(size_t length_arg)
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public:
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Binary_string()
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{
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alloced= thread_specific= 0;
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Alloced_length= extra_alloc= 0;
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init_private_data();
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}
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explicit Binary_string(size_t length_arg)
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{
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init_private_data();
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(void) real_alloc(length_arg);
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}
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String(const char *str, CHARSET_INFO *cs)
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:String(str, strlen(str), cs)
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explicit Binary_string(const char *str)
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:Binary_string(str, strlen(str))
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{ }
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/*
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NOTE: If one intend to use the c_ptr() method, the following two
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contructors need the size of memory for STR to be at least LEN+1 (to make
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room for zero termination).
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*/
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String(const char *str, size_t len, CHARSET_INFO *cs)
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:Charset(cs),
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Static_binary_string((char *) str, len)
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Binary_string(const char *str, size_t len)
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:Static_binary_string((char *) str, len)
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{
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Alloced_length= extra_alloc=0;
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alloced= thread_specific= 0;
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init_private_data();
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}
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String(char *str, size_t len, CHARSET_INFO *cs)
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:Charset(cs),
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Static_binary_string(str, len)
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Binary_string(char *str, size_t len)
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:Static_binary_string(str, len)
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{
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Alloced_length= (uint32) len;
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extra_alloc= 0;
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alloced= thread_specific= 0;
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}
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String(const String &str)
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:Charset(str),
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Static_binary_string(str)
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explicit Binary_string(const Binary_string &str)
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:Static_binary_string(str)
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{
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Alloced_length= str.Alloced_length;
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extra_alloc= 0;
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alloced= thread_specific= 0;
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}
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~String() { free(); }
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~Binary_string() { free(); }
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/* Mark variable thread specific it it's not allocated already */
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inline void set_thread_specific()
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@@ -415,16 +420,164 @@ public:
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if (!alloced)
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thread_specific= 1;
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}
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bool is_alloced() const { return alloced; }
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inline uint32 alloced_length() const { return Alloced_length;}
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inline uint32 extra_allocation() const { return extra_alloc;}
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inline void extra_allocation(size_t len) { extra_alloc= (uint32)len; }
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inline void mark_as_const() { Alloced_length= 0;}
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inline bool uses_buffer_owned_by(const Binary_string *s) const
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{
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return (s->alloced && Ptr >= s->Ptr && Ptr < s->Ptr + s->str_length);
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}
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/* Swap two string objects. Efficient way to exchange data without memcpy. */
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void swap(Binary_string &s)
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{
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Static_binary_string::swap(s);
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swap_variables(uint32, Alloced_length, s.Alloced_length);
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swap_variables(bool, alloced, s.alloced);
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}
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/**
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Points the internal buffer to the supplied one. The old buffer is freed.
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@param str Pointer to the new buffer.
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@param arg_length Length of the new buffer in characters, excluding any
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null character.
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@note The new buffer will not be null terminated.
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*/
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void set_alloced(char *str, size_t length_arg, size_t alloced_length_arg)
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{
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free();
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Static_binary_string::set(str, length_arg);
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DBUG_ASSERT(alloced_length_arg < UINT_MAX32);
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Alloced_length= (uint32) alloced_length_arg;
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}
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inline void set(char *str, size_t arg_length)
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{
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set_alloced(str, arg_length, arg_length);
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}
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inline void set(const char *str, size_t arg_length)
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{
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free();
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Static_binary_string::set((char *) str, arg_length);
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}
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void set(Binary_string &str, size_t offset, size_t arg_length)
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{
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DBUG_ASSERT(&str != this);
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free();
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Static_binary_string::set((char*) str.ptr() + offset, arg_length);
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if (str.Alloced_length)
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Alloced_length= (uint32) (str.Alloced_length - offset);
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}
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/* Take over handling of buffer from some other object */
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void reset(char *ptr_arg, size_t length_arg, size_t alloced_length_arg)
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{
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set_alloced(ptr_arg, length_arg, alloced_length_arg);
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alloced= ptr_arg != 0;
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}
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/* Forget about the buffer, let some other object handle it */
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char *release()
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{
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char *old= Ptr;
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Static_binary_string::set(NULL, 0);
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init_private_data();
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return old;
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}
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inline void set_quick(char *str, size_t arg_length)
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{
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if (!alloced)
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{
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Static_binary_string::set(str, arg_length);
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Alloced_length= (uint32) arg_length;
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}
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}
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inline Binary_string& operator=(const Binary_string &s)
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{
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if (&s != this)
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{
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/*
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It is forbidden to do assignments like
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some_string = substring_of_that_string
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*/
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DBUG_ASSERT(!s.uses_buffer_owned_by(this));
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set_alloced((char *) s.Ptr, s.str_length, s.Alloced_length);
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}
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return *this;
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}
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bool set_hex(ulonglong num);
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bool set_hex(const char *str, uint32 len);
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bool copy(); // Alloc string if not alloced
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bool copy(const Binary_string &s); // Allocate new string
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bool copy(const char *s, size_t arg_length); // Allocate new string
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bool copy_or_move(const char *s,size_t arg_length);
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bool append_ulonglong(ulonglong val);
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bool append_longlong(longlong val);
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bool append(const char *s, size_t size)
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{
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if (!size)
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return false;
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if (realloc_with_extra_if_needed(str_length + size))
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return true;
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q_append(s, size);
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return false;
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}
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bool append(const Binary_string &s)
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{
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return append(s.ptr(), s.length());
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}
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bool append(IO_CACHE* file, uint32 arg_length);
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inline bool append_char(char chr)
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{
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if (str_length < Alloced_length)
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{
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Ptr[str_length++]= chr;
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}
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else
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{
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if (unlikely(realloc_with_extra(str_length + 1)))
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return true;
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Ptr[str_length++]= chr;
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}
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return false;
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}
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bool append_hex(const char *src, uint32 srclen)
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{
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for (const char *src_end= src + srclen ; src != src_end ; src++)
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{
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if (unlikely(append_char(_dig_vec_lower[((uchar) *src) >> 4])) ||
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unlikely(append_char(_dig_vec_lower[((uchar) *src) & 0x0F])))
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return true;
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}
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return false;
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}
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bool append_with_step(const char *s, uint32 arg_length, uint32 step_alloc)
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{
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uint32 new_length= arg_length + str_length;
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if (new_length > Alloced_length &&
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unlikely(realloc(new_length + step_alloc)))
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return true;
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q_append(s, arg_length);
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return false;
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}
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inline char *c_ptr()
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{
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DBUG_ASSERT(!alloced || !Ptr || !Alloced_length ||
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(Alloced_length >= (str_length + 1)));
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if (!Ptr || Ptr[str_length]) /* Should be safe */
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if (!Ptr || Ptr[str_length]) // Should be safe
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(void) realloc(str_length);
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return Ptr;
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}
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@@ -443,78 +596,6 @@ public:
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return Ptr;
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}
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void set(String &str,size_t offset,size_t arg_length)
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{
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DBUG_ASSERT(&str != this);
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free();
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Ptr=(char*) str.ptr()+offset; str_length=(uint32)arg_length;
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if (str.Alloced_length)
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Alloced_length=(uint32)(str.Alloced_length-offset);
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set_charset(str);
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}
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/**
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Points the internal buffer to the supplied one. The old buffer is freed.
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@param str Pointer to the new buffer.
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@param arg_length Length of the new buffer in characters, excluding any
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null character.
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@param cs Character set to use for interpreting string data.
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@note The new buffer will not be null terminated.
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*/
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inline void set(char *str,size_t arg_length, CHARSET_INFO *cs)
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{
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free();
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Ptr=(char*) str; str_length=Alloced_length=(uint32)arg_length;
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set_charset(cs);
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}
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inline void set(const char *str,size_t arg_length, CHARSET_INFO *cs)
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{
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free();
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Ptr=(char*) str; str_length=(uint32)arg_length;
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set_charset(cs);
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}
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bool set_ascii(const char *str, size_t arg_length);
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inline void set_quick(char *str,size_t arg_length, CHARSET_INFO *cs)
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{
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if (!alloced)
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{
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Ptr=(char*) str; str_length=Alloced_length=(uint32)arg_length;
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}
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set_charset(cs);
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}
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bool set_int(longlong num, bool unsigned_flag, CHARSET_INFO *cs);
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bool set(int num, CHARSET_INFO *cs) { return set_int(num, false, cs); }
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bool set(uint num, CHARSET_INFO *cs) { return set_int(num, true, cs); }
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bool set(long num, CHARSET_INFO *cs) { return set_int(num, false, cs); }
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bool set(ulong num, CHARSET_INFO *cs) { return set_int(num, true, cs); }
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bool set(longlong num, CHARSET_INFO *cs) { return set_int(num, false, cs); }
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bool set(ulonglong num, CHARSET_INFO *cs) { return set_int((longlong)num, true, cs); }
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bool set_real(double num,uint decimals, CHARSET_INFO *cs);
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bool set_hex(ulonglong num);
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bool set_hex(const char *str, uint32 len);
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/* Take over handling of buffer from some other object */
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void reset(char *ptr_arg, size_t length_arg, size_t alloced_length_arg,
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CHARSET_INFO *cs)
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{
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free();
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Ptr= ptr_arg;
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str_length= (uint32)length_arg;
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Alloced_length= (uint32)alloced_length_arg;
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set_charset(cs);
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alloced= ptr_arg != 0;
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}
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/* Forget about the buffer, let some other object handle it */
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char *release()
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{
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char *old= Ptr;
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Ptr=0; str_length= Alloced_length= extra_alloc= 0;
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alloced= thread_specific= 0;
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return old;
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}
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inline void free()
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{
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if (alloced)
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@@ -523,8 +604,7 @@ public:
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my_free(Ptr);
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}
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Alloced_length= extra_alloc= 0;
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Ptr=0;
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str_length=0; /* Safety */
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Static_binary_string::set(NULL, 0); // Safety
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}
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inline bool alloc(size_t arg_length)
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{
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@@ -532,13 +612,13 @@ public:
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return 0;
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return real_alloc(arg_length);
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}
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bool real_alloc(size_t arg_length); // Empties old string
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bool real_alloc(size_t arg_length); // Empties old string
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bool realloc_raw(size_t arg_length);
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bool realloc(size_t arg_length)
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{
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if (realloc_raw(arg_length))
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return TRUE;
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Ptr[arg_length]=0; // This make other funcs shorter
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Ptr[arg_length]= 0; // This make other funcs shorter
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return FALSE;
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}
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bool realloc_with_extra(size_t arg_length)
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@@ -572,37 +652,179 @@ public:
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arg_length,MYF((thread_specific ?
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MY_THREAD_SPECIFIC : 0))))))
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{
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Alloced_length = 0;
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real_alloc(arg_length);
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Alloced_length= 0;
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real_alloc(arg_length);
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}
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else
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{
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Ptr=new_ptr;
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Alloced_length=(uint32)arg_length;
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Ptr= new_ptr;
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Alloced_length= (uint32) arg_length;
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}
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}
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}
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bool is_alloced() const { return alloced; }
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void move(Binary_string &s)
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{
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set_alloced(s.Ptr, s.str_length, s.Alloced_length);
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extra_alloc= s.extra_alloc;
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alloced= s.alloced;
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thread_specific= s.thread_specific;
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s.alloced= 0;
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}
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bool fill(uint32 max_length,char fill);
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/*
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Replace substring with string
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If wrong parameter or not enough memory, do nothing
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*/
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bool replace(uint32 offset,uint32 arg_length, const char *to, uint32 length);
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bool replace(uint32 offset,uint32 arg_length, const Static_binary_string &to)
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{
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return replace(offset,arg_length,to.ptr(),to.length());
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}
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int reserve(size_t space_needed)
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{
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return realloc(str_length + space_needed);
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}
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int reserve(size_t space_needed, size_t grow_by);
|
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inline char *prep_append(uint32 arg_length, uint32 step_alloc)
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{
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uint32 new_length= arg_length + str_length;
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if (new_length > Alloced_length)
|
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{
|
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if (unlikely(realloc(new_length + step_alloc)))
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return 0;
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}
|
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uint32 old_length= str_length;
|
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str_length+= arg_length;
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return Ptr + old_length; // Area to use
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}
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|
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void q_net_store_length(ulonglong length)
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{
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DBUG_ASSERT(Alloced_length >= (str_length + net_length_size(length)));
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char *pos= (char *) net_store_length((uchar *)(Ptr + str_length), length);
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str_length= uint32(pos - Ptr);
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}
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void q_net_store_data(const uchar *from, size_t length)
|
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{
|
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DBUG_ASSERT(length < UINT_MAX32);
|
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DBUG_ASSERT(Alloced_length >= (str_length + length +
|
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net_length_size(length)));
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q_net_store_length(length);
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q_append((const char *)from, (uint32) length);
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}
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};
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|
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class String: public Charset, public Binary_string
|
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{
|
||||
public:
|
||||
String() { }
|
||||
String(size_t length_arg)
|
||||
:Binary_string(length_arg)
|
||||
{ }
|
||||
String(const char *str, CHARSET_INFO *cs)
|
||||
:Charset(cs),
|
||||
Binary_string(str)
|
||||
{ }
|
||||
/*
|
||||
NOTE: If one intend to use the c_ptr() method, the following two
|
||||
contructors need the size of memory for STR to be at least LEN+1 (to make
|
||||
room for zero termination).
|
||||
*/
|
||||
String(const char *str, size_t len, CHARSET_INFO *cs)
|
||||
:Charset(cs),
|
||||
Binary_string((char *) str, len)
|
||||
{ }
|
||||
String(char *str, size_t len, CHARSET_INFO *cs)
|
||||
:Charset(cs),
|
||||
Binary_string(str, len)
|
||||
{ }
|
||||
String(const String &str)
|
||||
:Charset(str),
|
||||
Binary_string(str)
|
||||
{ }
|
||||
|
||||
void set(String &str,size_t offset,size_t arg_length)
|
||||
{
|
||||
Binary_string::set(str, offset, arg_length);
|
||||
set_charset(str);
|
||||
}
|
||||
inline void set(char *str,size_t arg_length, CHARSET_INFO *cs)
|
||||
{
|
||||
Binary_string::set(str, arg_length);
|
||||
set_charset(cs);
|
||||
}
|
||||
inline void set(const char *str,size_t arg_length, CHARSET_INFO *cs)
|
||||
{
|
||||
Binary_string::set(str, arg_length);
|
||||
set_charset(cs);
|
||||
}
|
||||
bool set_ascii(const char *str, size_t arg_length);
|
||||
inline void set_quick(char *str,size_t arg_length, CHARSET_INFO *cs)
|
||||
{
|
||||
Binary_string::set_quick(str, arg_length);
|
||||
set_charset(cs);
|
||||
}
|
||||
bool set_int(longlong num, bool unsigned_flag, CHARSET_INFO *cs);
|
||||
bool set(int num, CHARSET_INFO *cs) { return set_int(num, false, cs); }
|
||||
bool set(uint num, CHARSET_INFO *cs) { return set_int(num, true, cs); }
|
||||
bool set(long num, CHARSET_INFO *cs) { return set_int(num, false, cs); }
|
||||
bool set(ulong num, CHARSET_INFO *cs) { return set_int(num, true, cs); }
|
||||
bool set(longlong num, CHARSET_INFO *cs) { return set_int(num, false, cs); }
|
||||
bool set(ulonglong num, CHARSET_INFO *cs) { return set_int((longlong)num, true, cs); }
|
||||
bool set_real(double num,uint decimals, CHARSET_INFO *cs);
|
||||
|
||||
bool set_hex(ulonglong num)
|
||||
{
|
||||
set_charset(&my_charset_latin1);
|
||||
return Binary_string::set_hex(num);
|
||||
}
|
||||
bool set_hex(const char *str, uint32 len)
|
||||
{
|
||||
set_charset(&my_charset_latin1);
|
||||
return Binary_string::set_hex(str, len);
|
||||
}
|
||||
|
||||
/* Take over handling of buffer from some other object */
|
||||
void reset(char *ptr_arg, size_t length_arg, size_t alloced_length_arg,
|
||||
CHARSET_INFO *cs)
|
||||
{
|
||||
Binary_string::reset(ptr_arg, length_arg, alloced_length_arg);
|
||||
set_charset(cs);
|
||||
}
|
||||
|
||||
inline String& operator = (const String &s)
|
||||
{
|
||||
if (&s != this)
|
||||
{
|
||||
/*
|
||||
It is forbidden to do assignments like
|
||||
some_string = substring_of_that_string
|
||||
*/
|
||||
DBUG_ASSERT(!s.uses_buffer_owned_by(this));
|
||||
free();
|
||||
Ptr=s.Ptr ; str_length=s.str_length ; Alloced_length=s.Alloced_length;
|
||||
set_charset(s);
|
||||
Binary_string::operator=(s);
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
|
||||
bool copy(); // Alloc string if not alloced
|
||||
bool copy(const String &s); // Allocate new string
|
||||
bool copy(const char *s,size_t arg_length, CHARSET_INFO *cs); // Allocate new string
|
||||
bool copy_or_move(const char *s,size_t arg_length, CHARSET_INFO *cs);
|
||||
bool copy()
|
||||
{
|
||||
return Binary_string::copy();
|
||||
}
|
||||
bool copy(const String &s)
|
||||
{
|
||||
set_charset(s);
|
||||
return Binary_string::copy(s);
|
||||
}
|
||||
bool copy(const char *s, size_t arg_length, CHARSET_INFO *cs)
|
||||
{
|
||||
set_charset(cs);
|
||||
return Binary_string::copy(s, arg_length);
|
||||
}
|
||||
bool copy_or_move(const char *s, size_t arg_length, CHARSET_INFO *cs)
|
||||
{
|
||||
set_charset(cs);
|
||||
return Binary_string::copy_or_move(s, arg_length);
|
||||
}
|
||||
static bool needs_conversion(size_t arg_length,
|
||||
CHARSET_INFO *cs_from, CHARSET_INFO *cs_to,
|
||||
uint32 *offset);
|
||||
@@ -624,22 +846,42 @@ public:
|
||||
{
|
||||
if (unlikely(alloc(tocs->mbmaxlen * src_length)))
|
||||
return true;
|
||||
str_length= copier->well_formed_copy(tocs, Ptr, Alloced_length,
|
||||
str_length= copier->well_formed_copy(tocs, Ptr, alloced_length(),
|
||||
fromcs, src, (uint)src_length, (uint)nchars);
|
||||
set_charset(tocs);
|
||||
return false;
|
||||
}
|
||||
void move(String &s)
|
||||
// Append without character set conversion
|
||||
bool append(const String &s)
|
||||
{
|
||||
free();
|
||||
Ptr=s.Ptr ; str_length=s.str_length ; Alloced_length=s.Alloced_length;
|
||||
extra_alloc= s.extra_alloc;
|
||||
alloced= s.alloced;
|
||||
thread_specific= s.thread_specific;
|
||||
s.alloced= 0;
|
||||
return Binary_string::append(s);
|
||||
}
|
||||
inline bool append(char chr)
|
||||
{
|
||||
return Binary_string::append_char(chr);
|
||||
}
|
||||
bool append_hex(const char *src, uint32 srclen)
|
||||
{
|
||||
return Binary_string::append_hex(src, srclen);
|
||||
}
|
||||
bool append_hex(const uchar *src, uint32 srclen)
|
||||
{
|
||||
return Binary_string::append_hex((const char*)src, srclen);
|
||||
}
|
||||
bool append(IO_CACHE* file, uint32 arg_length)
|
||||
{
|
||||
return Binary_string::append(file, arg_length);
|
||||
}
|
||||
inline bool append(const char *s, uint32 arg_length, uint32 step_alloc)
|
||||
{
|
||||
return append_with_step(s, arg_length, step_alloc);
|
||||
}
|
||||
|
||||
// Append with optional character set conversion from ASCII (e.g. to UCS2)
|
||||
bool append(const char *s)
|
||||
{
|
||||
return append(s, strlen(s));
|
||||
}
|
||||
bool append(const String &s);
|
||||
bool append(const char *s);
|
||||
bool append(const LEX_STRING *ls)
|
||||
{
|
||||
DBUG_ASSERT(ls->length < UINT_MAX32 &&
|
||||
@@ -659,44 +901,13 @@ public:
|
||||
return append(&ls);
|
||||
}
|
||||
bool append(const char *s, size_t size);
|
||||
bool append(const char *s, size_t arg_length, CHARSET_INFO *cs);
|
||||
bool append_ulonglong(ulonglong val);
|
||||
bool append_longlong(longlong val);
|
||||
bool append(IO_CACHE* file, uint32 arg_length);
|
||||
bool append_with_prefill(const char *s, uint32 arg_length,
|
||||
bool append_with_prefill(const char *s, uint32 arg_length,
|
||||
uint32 full_length, char fill_char);
|
||||
bool append_parenthesized(long nr, int radix= 10);
|
||||
bool replace(uint32 offset,uint32 arg_length,const char *to,uint32 length);
|
||||
bool replace(uint32 offset,uint32 arg_length,const String &to);
|
||||
inline bool append(char chr)
|
||||
{
|
||||
if (str_length < Alloced_length)
|
||||
{
|
||||
Ptr[str_length++]=chr;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (unlikely(realloc_with_extra(str_length + 1)))
|
||||
return 1;
|
||||
Ptr[str_length++]=chr;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
bool append_hex(const char *src, uint32 srclen)
|
||||
{
|
||||
for (const char *src_end= src + srclen ; src != src_end ; src++)
|
||||
{
|
||||
if (unlikely(append(_dig_vec_lower[((uchar) *src) >> 4])) ||
|
||||
unlikely(append(_dig_vec_lower[((uchar) *src) & 0x0F])))
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
bool append_hex(const uchar *src, uint32 srclen)
|
||||
{
|
||||
return append_hex((const char*)src, srclen);
|
||||
}
|
||||
bool fill(uint32 max_length,char fill);
|
||||
|
||||
// Append with optional character set conversion from cs to charset()
|
||||
bool append(const char *s, size_t arg_length, CHARSET_INFO *cs);
|
||||
|
||||
void strip_sp();
|
||||
friend int sortcmp(const String *a,const String *b, CHARSET_INFO *cs);
|
||||
friend int stringcmp(const String *a,const String *b);
|
||||
@@ -713,37 +924,6 @@ public:
|
||||
return (int) Charset::charpos(ptr() + offset, end(), (size_t) i);
|
||||
}
|
||||
|
||||
int reserve(size_t space_needed)
|
||||
{
|
||||
return realloc(str_length + space_needed);
|
||||
}
|
||||
int reserve(size_t space_needed, size_t grow_by);
|
||||
|
||||
/* Inline (general) functions used by the protocol functions */
|
||||
|
||||
inline char *prep_append(uint32 arg_length, uint32 step_alloc)
|
||||
{
|
||||
uint32 new_length= arg_length + str_length;
|
||||
if (new_length > Alloced_length)
|
||||
{
|
||||
if (unlikely(realloc(new_length + step_alloc)))
|
||||
return 0;
|
||||
}
|
||||
uint32 old_length= str_length;
|
||||
str_length+= arg_length;
|
||||
return Ptr+ old_length; /* Area to use */
|
||||
}
|
||||
|
||||
inline bool append(const char *s, uint32 arg_length, uint32 step_alloc)
|
||||
{
|
||||
uint32 new_length= arg_length + str_length;
|
||||
if (new_length > Alloced_length &&
|
||||
unlikely(realloc(new_length + step_alloc)))
|
||||
return TRUE;
|
||||
memcpy(Ptr+str_length, s, arg_length);
|
||||
str_length+= arg_length;
|
||||
return FALSE;
|
||||
}
|
||||
void print(String *to) const;
|
||||
void print_with_conversion(String *to, CHARSET_INFO *cs) const;
|
||||
void print(String *to, CHARSET_INFO *cs) const
|
||||
@@ -766,19 +946,12 @@ public:
|
||||
return append_for_single_quote(st, (uint32) len);
|
||||
}
|
||||
|
||||
/* Swap two string objects. Efficient way to exchange data without memcpy. */
|
||||
void swap(String &s)
|
||||
{
|
||||
Charset::swap(s);
|
||||
Static_binary_string::swap(s);
|
||||
swap_variables(uint32, Alloced_length, s.Alloced_length);
|
||||
swap_variables(bool, alloced, s.alloced);
|
||||
Binary_string::swap(s);
|
||||
}
|
||||
|
||||
inline bool uses_buffer_owned_by(const String *s) const
|
||||
{
|
||||
return (s->alloced && Ptr >= s->Ptr && Ptr < s->Ptr + s->str_length);
|
||||
}
|
||||
uint well_formed_length() const
|
||||
{
|
||||
return (uint) Well_formed_prefix(charset(), ptr(), length()).length();
|
||||
@@ -795,20 +968,6 @@ public:
|
||||
{
|
||||
return !sortcmp(this, other, cs);
|
||||
}
|
||||
void q_net_store_length(ulonglong length)
|
||||
{
|
||||
DBUG_ASSERT(Alloced_length >= (str_length + net_length_size(length)));
|
||||
char *pos= (char *) net_store_length((uchar *)(Ptr + str_length), length);
|
||||
str_length= uint32(pos - Ptr);
|
||||
}
|
||||
void q_net_store_data(const uchar *from, size_t length)
|
||||
{
|
||||
DBUG_ASSERT(length < UINT_MAX32);
|
||||
DBUG_ASSERT(Alloced_length >= (str_length + length +
|
||||
net_length_size(length)));
|
||||
q_net_store_length(length);
|
||||
q_append((const char *)from, (uint32) length);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
@@ -855,7 +1014,7 @@ public:
|
||||
|
||||
|
||||
static inline bool check_if_only_end_space(CHARSET_INFO *cs,
|
||||
const char *str,
|
||||
const char *str,
|
||||
const char *end)
|
||||
{
|
||||
return str+ cs->cset->scan(cs, str, end, MY_SEQ_SPACES) == end;
|
||||
|
Reference in New Issue
Block a user