query.c File Reference

#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <compat/fnmatch.h>
#include <compat/strl.h>
#include "libretrodb.h"
#include "query.h"
#include "rmsgpack_dom.h"

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Classes
struct	buffer
struct	invocation
struct	argument
struct	query
struct	registered_func

Macros
#define	MAX_ERROR_LEN   256
#define	QUERY_MAX_ARGS   50

Typedefs
typedef struct rmsgpack_dom_value(*	rarch_query_func) (struct rmsgpack_dom_value input, unsigned argc, const struct argument *argv)

Enumerations
enum	argument_type { AT_FUNCTION, AT_VALUE }

Functions
static struct buffer	query_parse_method_call (struct buffer buff, struct invocation *invocation, const char **error)
static struct buffer	query_parse_table (struct buffer buff, struct invocation *invocation, const char **error)
static void	query_raise_too_many_arguments (const char **error)
static struct rmsgpack_dom_value	query_func_is_true (struct rmsgpack_dom_value input, unsigned argc, const struct argument *argv)
static struct rmsgpack_dom_value	func_equals (struct rmsgpack_dom_value input, unsigned argc, const struct argument *argv)
static struct rmsgpack_dom_value	query_func_operator_or (struct rmsgpack_dom_value input, unsigned argc, const struct argument *argv)
static struct rmsgpack_dom_value	query_func_operator_and (struct rmsgpack_dom_value input, unsigned argc, const struct argument *argv)
static struct rmsgpack_dom_value	query_func_between (struct rmsgpack_dom_value input, unsigned argc, const struct argument *argv)
static struct rmsgpack_dom_value	query_func_glob (struct rmsgpack_dom_value input, unsigned argc, const struct argument *argv)
static void	query_raise_expected_number (ssize_t where, const char **error)
static void	query_raise_expected_string (ssize_t where, const char **error)
static void	query_raise_unexpected_eof (ssize_t where, const char **error)
static void	query_raise_enomem (const char **error)
static void	query_raise_unknown_function (ssize_t where, const char *name, ssize_t len, const char **error)
static void	query_raise_expected_eof (ssize_t where, char found, const char **error)
static void	query_raise_unexpected_char (ssize_t where, char expected, char found, const char **error)
static void	query_argument_free (struct argument *arg)
static struct buffer	query_parse_integer (struct buffer buff, struct rmsgpack_dom_value *value, const char **error)
static struct buffer	query_chomp (struct buffer buff)
static struct buffer	query_expect_eof (struct buffer buff, const char **error)
static int	query_peek (struct buffer buff, const char *data)
static int	query_is_eot (struct buffer buff)
static struct buffer	query_get_char (struct buffer buff, char *c, const char **error)
static struct buffer	query_parse_string (struct buffer buff, struct rmsgpack_dom_value *value, const char **error)
static struct buffer	query_parse_value (struct buffer buff, struct rmsgpack_dom_value *value, const char **error)
static void	query_peek_char (struct buffer buff, char *c, const char **error)
static struct buffer	query_get_ident (struct buffer buff, const char **ident, size_t *len, const char **error)
static struct buffer	query_expect_char (struct buffer buff, char c, const char **error)
static struct buffer	query_parse_argument (struct buffer buff, struct argument *arg, const char **error)
static struct rmsgpack_dom_value	query_func_all_map (struct rmsgpack_dom_value input, unsigned argc, const struct argument *argv)
void	libretrodb_query_free (void *q)
void *	libretrodb_query_compile (libretrodb_t *db, const char *query, size_t buff_len, const char **error_string)
void	libretrodb_query_inc_ref (libretrodb_query_t *q)
int	libretrodb_query_filter (libretrodb_query_t *q, struct rmsgpack_dom_value *v)

Variables
static char	tmp_error_buff [MAX_ERROR_LEN] = {0}
struct registered_func	registered_functions [100]

Macro Definition Documentation

MAX_ERROR_LEN

#define MAX_ERROR_LEN   256

QUERY_MAX_ARGS

#define QUERY_MAX_ARGS   50

Typedef Documentation

rarch_query_func

typedef struct rmsgpack_dom_value(* rarch_query_func) (struct rmsgpack_dom_value input, unsigned argc, const struct argument *argv)

Enumeration Type Documentation

argument_type

enum argument_type

Enumerator
AT_FUNCTION
AT_VALUE

Function Documentation

func_equals()

static struct rmsgpack_dom_value func_equals ( struct rmsgpack_dom_value  input, unsigned  argc, const struct argument *  argv  )

static

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libretrodb_query_compile()

void* libretrodb_query_compile	(	libretrodb_t *	db,
		const char *	query,
		size_t	buff_len,
		const char **	error_string
	)

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libretrodb_query_filter()

int libretrodb_query_filter	(	libretrodb_query_t *	q,
		struct rmsgpack_dom_value *	v
	)

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libretrodb_query_free()

void libretrodb_query_free

(

void *

q

)

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libretrodb_query_inc_ref()

void libretrodb_query_inc_ref

(

libretrodb_query_t *

q

)

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query_argument_free()

static void query_argument_free ( struct argument *  arg )

static

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query_chomp()

static struct buffer query_chomp ( struct buffer  buff )

static

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query_expect_char()

static struct buffer query_expect_char ( struct buffer  buff, char  c, const char **  error  )

static

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query_expect_eof()

static struct buffer query_expect_eof ( struct buffer  buff, const char **  error  )

static

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query_func_all_map()

static struct rmsgpack_dom_value query_func_all_map ( struct rmsgpack_dom_value  input, unsigned  argc, const struct argument *  argv  )

static

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query_func_between()

static struct rmsgpack_dom_value query_func_between ( struct rmsgpack_dom_value  input, unsigned  argc, const struct argument *  argv  )

static

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query_func_glob()

static struct rmsgpack_dom_value query_func_glob ( struct rmsgpack_dom_value  input, unsigned  argc, const struct argument *  argv  )

static

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query_func_is_true()

static struct rmsgpack_dom_value query_func_is_true ( struct rmsgpack_dom_value  input, unsigned  argc, const struct argument *  argv  )

static

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query_func_operator_and()

static struct rmsgpack_dom_value query_func_operator_and ( struct rmsgpack_dom_value  input, unsigned  argc, const struct argument *  argv  )

static

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query_func_operator_or()

static struct rmsgpack_dom_value query_func_operator_or ( struct rmsgpack_dom_value  input, unsigned  argc, const struct argument *  argv  )

static

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query_get_char()

static struct buffer query_get_char ( struct buffer  buff, char *  c, const char **  error  )

static

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query_get_ident()

static struct buffer query_get_ident ( struct buffer  buff, const char **  ident, size_t *  len, const char **  error  )

static

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query_is_eot()

static int query_is_eot ( struct buffer  buff )

static

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query_parse_argument()

static struct buffer query_parse_argument ( struct buffer  buff, struct argument *  arg, const char **  error  )

static

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query_parse_integer()

static struct buffer query_parse_integer ( struct buffer  buff, struct rmsgpack_dom_value *  value, const char **  error  )

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query_parse_method_call()

static struct buffer query_parse_method_call ( struct buffer  buff, struct invocation *  invocation, const char **  error  )

static

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query_parse_string()

static struct buffer query_parse_string ( struct buffer  buff, struct rmsgpack_dom_value *  value, const char **  error  )

static

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query_parse_table()

static struct buffer query_parse_table ( struct buffer  buff, struct invocation *  invocation, const char **  error  )

static

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query_parse_value()

static struct buffer query_parse_value ( struct buffer  buff, struct rmsgpack_dom_value *  value, const char **  error  )

static

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query_peek()

static int query_peek ( struct buffer  buff, const char *  data  )

static

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query_peek_char()

static void query_peek_char ( struct buffer  buff, char *  c, const char **  error  )

static

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query_raise_enomem()

static void query_raise_enomem ( const char **  error )

static

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query_raise_expected_eof()

static void query_raise_expected_eof ( ssize_t  where, char  found, const char **  error  )

static

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query_raise_expected_number()

static void query_raise_expected_number ( ssize_t  where, const char **  error  )

static

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query_raise_expected_string()

static void query_raise_expected_string ( ssize_t  where, const char **  error  )

static

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query_raise_too_many_arguments()

static void query_raise_too_many_arguments ( const char **  error )

static

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query_raise_unexpected_char()

static void query_raise_unexpected_char ( ssize_t  where, char  expected, char  found, const char **  error  )

static

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query_raise_unexpected_eof()

static void query_raise_unexpected_eof ( ssize_t  where, const char **  error  )

static

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query_raise_unknown_function()

static void query_raise_unknown_function ( ssize_t  where, const char *  name, ssize_t  len, const char **  error  )

static

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Variable Documentation

registered_functions

struct registered_func registered_functions[100]

Initial value:

= {
   {"is_true", query_func_is_true},
   {"or",      query_func_operator_or},
   {"and",     query_func_operator_and},
   {"between", query_func_between},
   {"glob",    query_func_glob},
   {NULL, NULL}
}

tmp_error_buff

char tmp_error_buff[MAX_ERROR_LEN] = {0}

static