rdbxx
1.0.7_02
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A simple interface to the RDB++ read a row of an rdb table to initialize a class Type. More...
#include <simpleRDBTable.h>
Public Member Functions | |
Type * | readRow () |
Read a row of the RDB table. More... | |
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RDB (const string &name="", ios::openmode mode=ios::in) | |
Attaches RDB object to a file. More... | |
RDB (istream *isptr) | |
Attaches RDB object to an istream. More... | |
RDB (ostream *osptr) | |
Attaches RDB object to an ostream. More... | |
RDB (const RDB &rdb) | |
Copies RDB object. More... | |
~RDB (void) | |
Deletes resources allocated by the RDB object. More... | |
void | open (const string &name, ios::openmode mode=ios::in) |
Attaches RDB object to a file. More... | |
void | open (istream *isptr) |
Attaches RDB object to an istream. More... | |
void | open (ostream *osptr) |
Attaches RDB object to an ostream. More... | |
void | open (const RDB &rdb) |
Copies RDB object. More... | |
void | close (void) |
Closes the stream attached to RDB object. More... | |
int | read (void) |
Read a line of data from the istream. More... | |
bool | write (void) |
Write a line of data to the ostream. More... | |
bool | rewind (void) |
Rewind the stream to the beginning of the first row of data. More... | |
bool | autoIdx (void) const |
Indicates if auto-indexing is activated. More... | |
void | autoIdx (const bool on) |
Activates/deactivates auto-indexing. More... | |
void | advanceIdx (void) |
Increments the indices in the RDBColumn data elements. More... | |
void | setGroup (const string &name, bool group=true) |
Turn on/off group status for the named column. More... | |
void | setGroup (const int idx, bool group=true) |
Turn on/off group status for the indexed column. More... | |
bool | getGroup (const string &name) |
Returns group status, true if its a new group, for the named column. More... | |
bool | getGroup (const int idx) |
Returns group status, true if its a new group, for the indexed column. More... | |
bool | newGroup (void) |
Checks if any column indicates a new group. More... | |
void | setComment (const string &comm, const int idx=-1) |
Add RDBComment in header of RDB object. More... | |
void | setComment (RDBComment &comm, const int idx=-1) |
Add or replace RDBComment in header of RDB object. More... | |
void | setComment (RDBComment &comm, const string &name, const size_t idx=0) |
Add or replace RDBComment in header of RDB object. More... | |
void | setComment (const RDB &rdb) |
Copy all comments from an existing RDB object. More... | |
RDBComment & | getComment (const size_t idx) |
Return RDBComment at given index. More... | |
RDBComment & | getComment (const string &name, const size_t idx=0) |
Return RDBComment with given keyword. More... | |
void | setColumn (const string &name, const string &def, const int idx=-1) |
Add an RDBColumn in RDB object. More... | |
void | setColumn (RDBColumn *col, const int idx=-1) |
Add or replace RDBColumn in RDB object. More... | |
void | setColumn (RDBColumn *col, const string &name, const size_t idx=0) |
Add of replace RDBColumn in RDB object. More... | |
void | setColumn (const RDB &rdb) |
Copy all columns from an existing RDB object. More... | |
RDBColumn * | getColumn (const size_t idx) |
Return pointer to RDBColumn at given index. More... | |
RDBColumn * | getColumn (const string &name, const size_t idx=0) |
Return pointer to RDBColumn with given name. More... | |
void | setName (const size_t idx, const string &name) |
Modify the name of the RDBColumn at idx. More... | |
void | setDef (const size_t idx, const string &def) |
Modify the definition of the RDBColumn at idx. More... | |
void | setWidth (const size_t idx, const long width) |
Modify the width of the RDBColumn at idx. More... | |
void | setType (const size_t idx, const RDBColumn::Type type) |
Modify the type of the RDBColumn at idx. More... | |
void | setJust (const size_t idx, const RDBColumn::Just just) |
Modify the justification of the RDBColumn at idx. More... | |
void | setDesc (const size_t idx, const string &desc) |
Modify the description of the RDBColumn at idx. More... | |
void | mapData (const size_t idx, double data[], const size_t nelems=1) |
Map RDBColumn data to user-supplied memory. More... | |
void | mapData (const size_t idx, long data[], const size_t nelems=1) |
Map RDBColumn data to user-supplied memory. More... | |
void | mapData (const size_t idx, string data[], const size_t nelems=1) |
Map RDBColumn data to user-supplied memory. More... | |
void | setData (const size_t idx, const double data) |
Sets the data value of RDBColumn, converting as necessary. More... | |
void | setData (const size_t idx, const long data) |
Sets the data value of RDBColumn, converting as necessary. More... | |
void | setData (const size_t idx, const string &data) |
Sets the data value of RDBColumn, converting as necessary. More... | |
void | getName (const size_t idx, string &name) const |
Return the name of the RDBColumn at idx. More... | |
void | getDef (const size_t idx, string &def) |
Return the definition of the RDBColumn at idx. More... | |
void | getWidth (const size_t idx, long &width) const |
Return the width of the RDBColumn at idx. More... | |
void | getType (const size_t idx, RDBColumn::Type &type) const |
Return the type of the RDBColumn at idx. More... | |
void | getJust (const size_t idx, RDBColumn::Just &just) const |
Return the just of the RDBColumn at idx. More... | |
void | getDesc (const size_t idx, string &desc) const |
Return the description of the RDBColumn at idx. More... | |
void | getData (const size_t idx, double &data) |
Return the data of the RDBColumn at idx, converting if necessary. More... | |
void | getData (const size_t idx, long &data) |
Return the data of the RDBColumn at idx, converting if necessary. More... | |
void | getData (const size_t idx, string &data) |
Return the data of the RDBColumn at idx, converting if necessary. More... | |
string | getName (const size_t idx) const |
Return the name of the RDBColumn at idx. More... | |
string | getDef (const size_t idx) |
Return the definition of the RDBColumn at idx. More... | |
long | getWidth (const size_t idx) const |
Return the width of the RDBColumn at idx. More... | |
RDBColumn::Type | getType (const size_t idx) const |
Return the type of the RDBColumn at idx. More... | |
RDBColumn::Just | getJust (const size_t idx) const |
Return the justification of the RDBColumn at idx. More... | |
string | getDesc (const size_t idx) const |
Return the description of the RDBColumn at idx. More... | |
double | getDataDouble (const size_t idx) |
Return the data of the RDBColumn at idx, converting if necessary. More... | |
long | getDataLong (const size_t idx) |
Return the data of the RDBColumn at idx, converting if necessary. More... | |
string | getDataString (const size_t idx) |
Return the data of the RDBColumn at idx, converting if necessary. More... | |
void | setName (const string &name, const string &newname) |
Modify the RDBColumn name. More... | |
void | setDef (const string &name, const string &def) |
Modify the RDBColumn definition. More... | |
void | setWidth (const string &name, const long width) |
Modify the RDBColumn width. More... | |
void | setType (const string &name, const RDBColumn::Type type) |
Modify the RDBColumn type. More... | |
void | setJust (const string &name, const RDBColumn::Just just) |
Modify the RDBColumn justification. More... | |
void | setDesc (const string &name, const string &desc) |
Modify the RDBColumn description. More... | |
void | mapData (const string &name, double data[], const size_t nelems=1) |
Map RDBColum data to user-supplied memory. More... | |
void | mapData (const string &name, long data[], const size_t nelems=1) |
Map RDBColum data to user-supplied memory. More... | |
void | mapData (const string &name, string data[], const size_t nelems=1) |
Map RDBColum data to user-supplied memory. More... | |
void | setData (const string &name, const double data) |
Modify the RDBColumn data, converting if necessary. More... | |
void | setData (const string &name, const long data) |
Modify the RDBColumn data, converting if necessary. More... | |
void | setData (const string &name, const string &data) |
Modify the RDBColumn data, converting if necessary. More... | |
void | getName (const string &name, string &namefound) const |
Return the name of the RDBColumn. More... | |
void | getDef (const string &name, string &def) |
Return the definition of the RDBColumn. More... | |
void | getWidth (const string &name, long &width) const |
Return the width of the RDBColumn. More... | |
void | getType (const string &name, RDBColumn::Type &type) const |
Return the type of the RDBColumn. More... | |
void | getJust (const string &name, RDBColumn::Just &just) const |
Return the justification of the RDBColumn. More... | |
void | getDesc (const string &name, string &desc) const |
Return the description of the RDBColumn. More... | |
void | getData (const string &name, double &data) |
Return the data of the RDBColumn, converting if necessary. More... | |
void | getData (const string &name, long &data) |
Return the data of the RDBColumn, converting if necessary. More... | |
void | getData (const string &name, string &data) |
Return the data of the RDBColumn, converting if necessary. More... | |
string | getName (const string &name) const |
Return the name of the RDBColumn. More... | |
string | getDef (const string &name) |
Return the definition of the RDBColumn. More... | |
long | getWidth (const string &name) const |
Return the width of the RDBColumn. More... | |
RDBColumn::Type | getType (const string &name) const |
Return the type of the RDBColumn. More... | |
RDBColumn::Just | getJust (const string &name) const |
Return the justification of the RDBColumn. More... | |
string | getDesc (const string &name) const |
Return the description of the RDBColumn. More... | |
double | getDataDouble (const string &name) |
Return the data of the RDBColumn, converting if necessary. More... | |
long | getDataLong (const string &name) |
Return the data of the RDBColumn, converting if necessary. More... | |
string | getDataString (const string &name) |
Return the data of the RDBColumn, converting if necessary. More... | |
size_t | nComments (void) const |
Return number of comments in RDB object. More... | |
size_t | nColumns (void) const |
Return number of columns in RDB object. More... | |
size_t | nRows (void) |
Return number of rows in RDB object. More... | |
Static Public Member Functions | |
static void | getData (RDBColumn *rdbcol, string &val) |
Given an RDBColumn, get a string value. More... | |
static void | getData (RDBColumn *rdbcol, int &val) |
Given an RDBColumn, get an integer value. More... | |
static void | getData (RDBColumn *rdbcol, long &val) |
Given an RDBColumn, get a long value. More... | |
static void | getData (RDBColumn *rdbcol, double &val) |
Given an RDBColumn, get a double value. More... | |
Additional Inherited Members | |
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enum | Status |
Acceptable column justifications. More... | |
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void | parseHeader (void) |
Parse header, i.e. comments and column names and definitions. More... | |
vector< string > | parseLine (const string &line) const |
Parse fields in a row. More... | |
size_t | parseLine (bool &newgroup) |
Parse fields in a row. More... | |
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string | _filename |
Name of RDB file. More... | |
ios::openmode | _mode |
Open mode of the associated stream. More... | |
istream * | _isptr |
Istream attached to data file. More... | |
ostream * | _osptr |
Ostream attached to data file. More... | |
bool | _myisptr |
Indicates if RDB object is responsible for deallocating the istream. More... | |
bool | _myosptr |
Indicates if RDB object is responsible for deallocating the ostream. More... | |
size_t | _rewindto |
Position of beginning of first row of data. More... | |
size_t | _ncomms |
Number of comments. More... | |
size_t | _ncols |
Number of columns. More... | |
size_t | _nrows |
Number of rows. More... | |
bool | _knowrows |
Indicates if associated file must be scanned to determine number of rows. More... | |
long | _rownum |
Current table row number. More... | |
long | _frownum |
Current file row number. More... | |
bool | _autoidx |
Indicates if RDBColumn data elements should be advanced. More... | |
bool | _firstread |
Indicates if this is the first call to RDB::read. More... | |
bool | _lastread |
Indicates if this is the last call to RDB::read. More... | |
bool | _writehdr |
Indicates if the header has been output. More... | |
RDBComment * | _comms |
Array of RDBComments. More... | |
RDBColumn ** | _cols |
Array of RDBColumns. More... | |
RDBLongColumn | _nrcol |
Hidden column, containing row number. More... | |
bool * | _mycols |
Indicates if RDB object is responsible for deallocating given RDBColumn. More... | |
string | _line |
Line from RDB table. More... | |
A simple interface to the RDB++ read a row of an rdb table to initialize a class Type.
The class Type must have a constructor with the following prototype:
Type( const char* header[], RDBColumn** rdb_column )
Definition at line 48 of file simpleRDBTable.h.
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Given an RDBColumn, get a string value.
Definition at line 86 of file simpleRDBTable.cc.
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Given an RDBColumn, get an integer value.
Definition at line 98 of file simpleRDBTable.cc.
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Given an RDBColumn, get a long value.
Definition at line 122 of file simpleRDBTable.cc.
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Given an RDBColumn, get a double value.
Definition at line 145 of file simpleRDBTable.cc.
Type * simpleRDBTable< Type >::readRow | ( | ) |
Read a row of the RDB table.
Definition at line 191 of file simpleRDBTable.cc.