/usr/include/dballe/core/record.h is in libdballe-dev 7.21-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#define DBALLE_CORE_RECORD_H
/** @file
* @ingroup core
* Implement a storage object for a group of related observation data
*/
#include <dballe/record.h>
#include <dballe/core/defs.h>
#include <dballe/var.h>
#include <dballe/core/matcher.h>
#include <vector>
namespace dballe {
namespace core {
/**
* Keyword used to quickly access context and query information from a record.
*/
typedef enum {
DBA_KEY_ERROR = -1,
DBA_KEY_PRIORITY = 0,
DBA_KEY_PRIOMAX = 1,
DBA_KEY_PRIOMIN = 2,
DBA_KEY_REP_MEMO = 3,
DBA_KEY_ANA_ID = 4,
DBA_KEY_MOBILE = 5,
DBA_KEY_IDENT = 6,
DBA_KEY_LAT = 7,
DBA_KEY_LON = 8,
DBA_KEY_LATMAX = 9,
DBA_KEY_LATMIN = 10,
DBA_KEY_LONMAX = 11,
DBA_KEY_LONMIN = 12,
DBA_KEY_YEAR = 13,
DBA_KEY_MONTH = 14,
DBA_KEY_DAY = 15,
DBA_KEY_HOUR = 16,
DBA_KEY_MIN = 17,
DBA_KEY_SEC = 18,
DBA_KEY_YEARMAX = 19,
DBA_KEY_YEARMIN = 20,
DBA_KEY_MONTHMAX = 21,
DBA_KEY_MONTHMIN = 22,
DBA_KEY_DAYMAX = 23,
DBA_KEY_DAYMIN = 24,
DBA_KEY_HOURMAX = 25,
DBA_KEY_HOURMIN = 26,
DBA_KEY_MINUMAX = 27,
DBA_KEY_MINUMIN = 28,
DBA_KEY_SECMAX = 29,
DBA_KEY_SECMIN = 30,
DBA_KEY_LEVELTYPE1 = 31,
DBA_KEY_L1 = 32,
DBA_KEY_LEVELTYPE2 = 33,
DBA_KEY_L2 = 34,
DBA_KEY_PINDICATOR = 35,
DBA_KEY_P1 = 36,
DBA_KEY_P2 = 37,
DBA_KEY_VAR = 38,
DBA_KEY_VARLIST = 39,
DBA_KEY_CONTEXT_ID = 40,
DBA_KEY_QUERY = 41,
DBA_KEY_ANA_FILTER = 42,
DBA_KEY_DATA_FILTER = 43,
DBA_KEY_ATTR_FILTER = 44,
DBA_KEY_LIMIT = 45,
DBA_KEY_VAR_RELATED = 46,
DBA_KEY_COUNT = 47,
} dba_keyword;
std::ostream& operator<<(std::ostream& o, dba_keyword k);
/** DB-All.E record.
*
* A Record is a container for one observation of meteorological values, that
* includes anagraphical informations, physical location of the observation in
* time and space, and all the observed variables.
*/
class Record : public dballe::Record
{
protected:
/* The storage for the core keyword data */
wreport::Var* keydata[DBA_KEY_COUNT];
// The variables, sorted by varcode
std::vector<wreport::Var*> m_vars;
/// Find an item by wreport::Varcode, returning -1 if not found
int find_item(wreport::Varcode code) const throw ();
/// Find an item by wreport::Varcode, raising an exception if not found
wreport::Var& get_item(wreport::Varcode code);
/// Find an item by wreport::Varcode, raising an exception if not found
const wreport::Var& get_item(wreport::Varcode code) const;
/// Remove an item by wreport::Varcode
void remove_item(wreport::Varcode code);
/**
* Look at the value of a parameter
*
* @return
* A const pointer to the internal variable, or NULL if the variable has not
* been found.
*/
const wreport::Var* key_peek(dba_keyword parameter) const throw ();
/**
* Look at the value of a variable
*
* @return
* A const pointer to the internal variable, or NULL if the variable has not
* been found.
*/
const wreport::Var* var_peek(wreport::Varcode code) const throw ();
/**
* Remove a parameter from the record.
*
* @param parameter
* The parameter to remove.
*/
void key_unset(dba_keyword parameter);
/**
* Remove a parameter from the record.
*
* @param code
* The variable to remove. See @ref vartable.h
*/
void var_unset(wreport::Varcode code);
/// Return the Var for a key, creating it if it is missing
wreport::Var& obtain(const char* key);
/// Return the Var for a key, creating it if it is missing
wreport::Var& obtain(dba_keyword key);
/// Return the Var for a variable, creating it if it is missing
wreport::Var& obtain(wreport::Varcode code);
public:
Record();
Record(const Record& rec);
~Record();
std::unique_ptr<dballe::Record> clone() const override;
Record& operator=(const Record& rec);
void clear() override;
void clear_vars() override;
void seti(const char* key, int val) override;
void setd(const char* key, double val) override;
void setc(const char* key, const char* val) override;
void sets(const char* key, const std::string& val) override;
void setf(const char* key, const char* val) override;
void set_datetime(const Datetime& dt) override;
void set_datetimerange(const DatetimeRange& range) override;
void set_coords(const Coords& c) override;
void set_latrange(const LatRange& lr) override;
void set_lonrange(const LonRange& lr) override;
void set_level(const Level& lev) override;
void set_trange(const Trange& tr) override;
void set_var(const wreport::Var& var) override;
void set_var_acquire(std::unique_ptr<wreport::Var>&& var) override;
void unset(const char* name) override;
const wreport::Var* get(const char* key) const override;
void add(const dballe::Record& source) override;
bool contains(const dballe::Record& subset) const override;
bool equals(const dballe::Record& rec) const override;
void foreach_key_ref(std::function<void(const char*, const wreport::Var&)> dest) const override;
void foreach_key_copy(std::function<void(const char*, std::unique_ptr<wreport::Var>&&)> dest) const override;
void print(FILE* out) const override;
/**
* Return a reference to record downcasted as core::Record.
*
* Throws an exception if record is not a core::Record.
*/
static const Record& downcast(const dballe::Record& query);
/**
* Return a reference to record downcasted as core::Record.
*
* Throws an exception if record is not a core::Record.
*/
static Record& downcast(dballe::Record& query);
/**
* Set the record to contain only those fields that change source1 into source2.
*
* If a field has been deleted from source1 to source2, it will not be copied
* in dest.
*
* @param source1
* The original record to compute the changes from.
* @param source2
* The new record that has changes over source1.
*/
void set_to_difference(const Record& source1, const Record& source2);
/// Compose a Level out of the leveltype1...l2 values
Level get_level() const;
/// Compose a Trange out of the pindicator...p2 values
Trange get_trange() const;
/// Compose a Datetime out of the year...sec values
Datetime get_datetime() const;
/// Compose a DatetimeRange out of the yearmin...secmax values
DatetimeRange get_datetimerange() const;
/**
* Iterate all keys in the record, calling f on them.
*
* Iteration stops if f returns false.
*
* The function returns true if it reached the end of the iteration, or
* false if it stopped because f returned false.
*/
bool iter_keys(std::function<bool(dba_keyword, const wreport::Var&)> f) const;
/// Return the varcode-sorted vector with the variables
const std::vector<wreport::Var*>& vars() const;
/**
* Set a value in the record according to an assignment encoded in a string.
*
* String can use keywords, aliases and varcodes. Examples: ana_id=3,
* name=Bologna, B12012=32.4
*
* In case of numeric parameter, a hyphen ("-") means MISSING_INT (e.g.,
* `leveltype2=-`).
*
* @param str
* The string containing the assignment.
*/
void set_from_string(const char* str);
/**
* Set a record from a ", "-separated string of assignments.
*
* The implementation is not efficient and the method is not safe for any
* input, since ", " could appear in a station identifier. It is however
* useful to quickly create test queries for unit testing.
*/
void set_from_test_string(const std::string& s);
/**
* Encode in a one-liner of comma-separated assignments
*/
std::string to_string() const;
/**
* Return the name of a dba_keyword
*
* @return
* The keyword name, or NULL if keyword is not a valid keyword
*/
static const char* keyword_name(dba_keyword keyword);
/**
* Return informations about a keyword
*
* @return
* The wreport::Varinfo structure with the informations.
*/
static wreport::Varinfo keyword_info(dba_keyword keyword);
/**
* Get the dba_keyword corresponding to the given name
*
* @returns
* The corresponding dba_keyword, or DBA_KEY_ERROR if tag does not match a
* valid keyword.
*/
static dba_keyword keyword_byname(const char* tag);
/**
* Get the dba_keyword corresponding to the given name
*
* @param tag
* The name to query.
* @param len
* The length of the name in tag.
* @returns
* The corresponding dba_keyword, or DBA_KEY_ERROR if tag does not match a
* valid keyword.
*/
static dba_keyword keyword_byname_len(const char* tag, int len);
};
struct MatchedRecord : public Matched
{
const Record& r;
MatchedRecord(const Record& r);
~MatchedRecord();
matcher::Result match_var_id(int val) const override;
matcher::Result match_station_id(int val) const override;
matcher::Result match_station_wmo(int block, int station=-1) const override;
matcher::Result match_datetime(const DatetimeRange& range) const override;
matcher::Result match_coords(const LatRange& latrange, const LonRange& lonrange) const override;
matcher::Result match_rep_memo(const char* memo) const override;
};
}
}
#endif
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