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query.h
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query.h
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#ifndef QUERY_H
#define QUERY_H
#include "dotypes.h"
#include "err.h"
typedef enum
{
QUERY_INIT_TYPE_INVALID,
QUERY_INIT_TYPE_COPY,
QUERY_INIT_TYPE_CLEAR,
QUERY_INIT_TYPE_WHITE,
QUERY_INIT_TYPE_BLACK,
} QUERY_INIT_TYPE;
typedef enum
{
QUERY_TARGET_INVALID,
QUERY_TARGET_IN,
QUERY_TARGET_OUT,
QUERY_TARGET_FALLBACK,
} QUERY_TARGET;
typedef enum
{
QUERY_MEMBER_TYPE_INVALID,
QUERY_MEMBER_TYPE_COLOR,
QUERY_MEMBER_TYPE_R,
QUERY_MEMBER_TYPE_G,
QUERY_MEMBER_TYPE_B,
QUERY_MEMBER_TYPE_A,
QUERY_MEMBER_TYPE_ROW,
QUERY_MEMBER_TYPE_COL,
} QUERY_MEMBER_TYPE;
typedef enum
{
QUERY_CONSTANT_TYPE_INVALID,
QUERY_CONSTANT_TYPE_WIDTH,
QUERY_CONSTANT_TYPE_HEIGHT,
QUERY_CONSTANT_TYPE_ROW,
QUERY_CONSTANT_TYPE_COL,
QUERY_CONSTANT_TYPE_NUMBER,
} QUERY_CONSTANT_TYPE;
typedef enum
{
QUERY_VALUE_TYPE_INVALID,
QUERY_VALUE_TYPE_MEMBER,
QUERY_VALUE_TYPE_CONSTANT,
} QUERY_VALUE_TYPE;
typedef enum
{
QUERY_EXPRESSION_TYPE_INVALID,
QUERY_EXPRESSION_TYPE_OR,
QUERY_EXPRESSION_TYPE_AND,
QUERY_EXPRESSION_TYPE_NOT,
QUERY_EXPRESSION_TYPE_EQ,
QUERY_EXPRESSION_TYPE_NE,
QUERY_EXPRESSION_TYPE_LT,
QUERY_EXPRESSION_TYPE_LTE,
QUERY_EXPRESSION_TYPE_GTE,
QUERY_EXPRESSION_TYPE_GT,
QUERY_EXPRESSION_TYPE_SUB,
QUERY_EXPRESSION_TYPE_ADD,
QUERY_EXPRESSION_TYPE_DIV,
QUERY_EXPRESSION_TYPE_MUL,
QUERY_EXPRESSION_TYPE_MOD,
QUERY_EXPRESSION_TYPE_SIN,
QUERY_EXPRESSION_TYPE_COS,
QUERY_EXPRESSION_TYPE_TAN,
QUERY_EXPRESSION_TYPE_ABS,
QUERY_EXPRESSION_TYPE_INT_CAST,
QUERY_EXPRESSION_TYPE_NEG,
QUERY_EXPRESSION_TYPE_VALUE,
} QUERY_EXPRESSION_TYPE;
struct QueryExpression;
typedef struct
{
QUERY_CONSTANT_TYPE type;
int32 value;
} QueryConstant;
typedef struct
{
QUERY_MEMBER_TYPE type;
QUERY_TARGET target;
struct QueryExpression *row;
struct QueryExpression *col;
} QueryMember;
typedef struct
{
QUERY_VALUE_TYPE type;
QueryConstant constant;
QueryMember member;
} QueryValue;
typedef struct QueryExpression
{
QUERY_EXPRESSION_TYPE type;
struct QueryExpression *a;
struct QueryExpression *b;
QueryValue v;
} QueryExpression;
typedef struct
{
QUERY_TARGET operating;
QueryMember lval;
QueryExpression rval;
} QueryOperation;
typedef struct
{
QUERY_TARGET selecting;
QueryExpression exp;
} QuerySelection;
typedef struct
{
QuerySelection *selections;
uint16 n_selections;
QueryOperation *operations;
uint16 n_operations;
} QueryProcedure;
typedef struct
{
QUERY_INIT_TYPE type;
QueryExpression width;
QueryExpression height;
} QueryInit;
typedef struct
{
long zero_pad;
QueryInit init;
QueryProcedure *procedures;
uint16 n_procedures;
} Query;
ERR_EXISTS parseQuery(char *q, Query *query, PixErr *err);
void freeQuery(Query *q);
#endif