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72 lines
1.1 KiB
C
72 lines
1.1 KiB
C
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#ifndef __query__
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#define __query__
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typedef enum
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{
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/* node opcodes */
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qot_empty,
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/* conjunctions */
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qot_and,
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qot_or,
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/* negation */
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qot_not,
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/* arithmetic */
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qot_eq,
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qot_ne,
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qot_le,
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qot_lt,
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qot_ge,
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qot_gt,
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/* string */
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qot_is,
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qot_begins,
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qot_ends,
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qot_contains,
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/* constant opcode */
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qot_const,
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/* field types */
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qft_i32,
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qft_i64,
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qft_string
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} query_type_t;
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typedef struct query_field_ query_field_t;
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struct query_field_
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{
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query_type_t type;
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const char* name;
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int offset;
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};
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typedef struct query_node_ query_node_t;
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struct query_node_
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{
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query_type_t type;
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union {
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query_node_t* node;
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const query_field_t* field;
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int constant;
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} left;
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union {
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query_node_t* node;
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int i32;
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long long i64;
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char* str;
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} right;
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};
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query_node_t* query_build(const char* query,
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const query_field_t* fields);
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int query_test(query_node_t* query, void* target);
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void query_free(query_node_t* query);
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void query_dump(FILE* fp, query_node_t* query, int depth);
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#endif
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