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9492a64846
pending further verification against iTunes. --enable-browse and
--enable-query must be specified to configure to enable both options.
browse support requires query support.
2. Database iteration is now sorted and the database is not kept locked
as long during iteration.
72 lines
1.1 KiB
C
72 lines
1.1 KiB
C
#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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