/usr/include/dballe/core/matcher.h is in libdballe-dev 7.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | #ifndef DBALLE_CORE_MATCHER_H
#define DBALLE_CORE_MATCHER_H
#include <dballe/types.h>
#include <memory>
namespace dballe {
struct Record;
struct Query;
namespace matcher {
enum Result {
MATCH_YES, // Item matches
MATCH_NO, // Item does not match
MATCH_NA // Match not applicable to this item
};
/// Format a Result into a string
std::string result_format(Result res);
}
/**
* Common interface for things that are matched.
*
* This allows the Record-derived matcher to operate on several different
* elements. Examples are Record and Msg, but can also be unknown elements
* provided by code that uses DB-All.e.
*/
struct Matched
{
virtual ~Matched() {}
/**
* Match variable ID
*
* This corresponds to B33195
*/
virtual matcher::Result match_var_id(int val) const;
/**
* Match station ID
*
* This corresponds to DBA_KEY_ANA_ID
*/
virtual matcher::Result match_station_id(int val) const;
/**
* Match station WMO code
*
* If station is -1, only match the block.
*/
virtual matcher::Result match_station_wmo(int block, int station=-1) const;
/// Match datetime
virtual matcher::Result match_datetime(const DatetimeRange& range) const;
/**
* Match coordinates, with bounds in 1/100000 of degree
*
* Any value can be set to MISSING_INT if not applicable or to represent an
* open bound
*/
virtual matcher::Result match_coords(const LatRange& latrange, const LonRange& lonrange) const;
/**
* Match rep_memo
*
* the memo value that is passed is always lowercase
*/
virtual matcher::Result match_rep_memo(const char* memo) const;
/**
* Match if min <= val <= max
*
* It correctly deals with min and max being set to MISSING_INT to signify an open
* bound.
*/
static matcher::Result int_in_range(int val, int min, int max);
/**
* Match if val is contained inside the given longitude range
*/
static matcher::Result lon_in_range(int val, int min, int max);
};
/**
* Match DB-All.e objects using the same queries that can be made on DB-All.e
* databases.
*/
struct Matcher
{
virtual ~Matcher() {}
virtual matcher::Result match(const Matched& item) const = 0;
virtual void to_record(dballe::Record& query) const = 0;
static std::unique_ptr<Matcher> create(const dballe::Query& query);
};
}
/* vim:set ts=4 sw=4: */
#endif
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