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#ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_PARSE_H
#define INCLUDES_MYSQL_INSTANCE_MANAGER_PARSE_H
/* Copyright (C) 2004 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <my_global.h>
#include <my_sys.h>
#include <m_string.h>
class Command;
enum Log_type
{
IM_LOG_ERROR= 0,
IM_LOG_GENERAL,
IM_LOG_SLOW
};
Command *parse_command(const char *text);
bool parse_option_value(const char *text, uint *text_len, char **value);
void skip_spaces(const char **text);
/* define kinds of the word seek method */
enum enum_seek_method { ALPHANUM= 1, NONSPACE, OPTION_NAME };
/************************************************************************/
class Named_value
{
public:
/*
The purpose of these methods is just to have one method for
allocating/deallocating memory for strings for Named_value.
*/
static inline char *alloc_str(const LEX_STRING *str);
static inline char *alloc_str(const char *str);
static inline void free_str(char **str);
public:
inline Named_value();
inline Named_value(char *name_arg, char *value_arg);
inline char *get_name();
inline char *get_value();
inline void free();
private:
char *name;
char *value;
};
inline char *Named_value::alloc_str(const LEX_STRING *str)
{
return my_strndup(str->str, str->length, MYF(0));
}
inline char *Named_value::alloc_str(const char *str)
{
return my_strdup(str, MYF(0));
}
inline void Named_value::free_str(char **str)
{
my_free(*str, MYF(MY_ALLOW_ZERO_PTR));
*str= NULL;
}
inline Named_value::Named_value()
:name(NULL), value(NULL)
{ }
inline Named_value::Named_value(char *name_arg, char *value_arg)
:name(name_arg), value(value_arg)
{ }
inline char *Named_value::get_name()
{
return name;
}
inline char *Named_value::get_value()
{
return value;
}
void Named_value::free()
{
free_str(&name);
free_str(&value);
}
/************************************************************************/
class Named_value_arr
{
public:
Named_value_arr();
~Named_value_arr();
bool init();
inline int get_size() const;
inline Named_value get_element(int idx) const;
inline void remove_element(int idx);
inline bool add_element(Named_value *option);
inline bool replace_element(int idx, Named_value *option);
private:
bool initialized;
DYNAMIC_ARRAY arr;
};
inline int Named_value_arr::get_size() const
{
return arr.elements;
}
inline Named_value Named_value_arr::get_element(int idx) const
{
DBUG_ASSERT(0 <= idx && (uint) idx < arr.elements);
Named_value option;
get_dynamic((DYNAMIC_ARRAY *) &arr, (gptr) &option, idx);
return option;
}
inline void Named_value_arr::remove_element(int idx)
{
DBUG_ASSERT(0 <= idx && (uint) idx < arr.elements);
get_element(idx).free();
delete_dynamic_element(&arr, idx);
}
inline bool Named_value_arr::add_element(Named_value *option)
{
return insert_dynamic(&arr, (gptr) option);
}
inline bool Named_value_arr::replace_element(int idx, Named_value *option)
{
DBUG_ASSERT(0 <= idx && (uint) idx < arr.elements);
get_element(idx).free();
return set_dynamic(&arr, (gptr) option, idx);
}
/************************************************************************/
/*
tries to find next word in the text
if found, returns the beginning and puts word length to word_len argument.
if not found returns pointer to first non-space or to '\0', word_len == 0
*/
inline void get_word(const char **text, uint *word_len,
enum_seek_method seek_method= ALPHANUM)
{
const char *word_end;
/* skip space */
while (my_isspace(default_charset_info, **text))
++(*text);
word_end= *text;
switch (seek_method) {
case ALPHANUM:
while (my_isalnum(default_charset_info, *word_end))
++word_end;
break;
case NONSPACE:
while (!my_isspace(default_charset_info, *word_end) &&
(*word_end != '\0'))
++word_end;
break;
case OPTION_NAME:
while (my_isalnum(default_charset_info, *word_end) ||
*word_end == '-' ||
*word_end == '_')
++word_end;
break;
}
*word_len= word_end - *text;
}
#endif /* INCLUDES_MYSQL_INSTANCE_MANAGER_PARSE_H */
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