Formats variables to output stream.
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#include <VariableFormatter.h>
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typedef std::map< std::string, T > | map_t |
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| virtual bool | handle (const std::string &key, const map_t &variables, std::ostream &ostr) const |
| | Searches given key in a map, and if found, processes (formats) the value to ostream. Return false, if variable not found. More...
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| virtual bool | formatVariable (const std::string &key, const T &value, const std::string &format, std::ostream &ostr) const |
| | Given a key, retrieve an associated value from the map and print the value formatted into a stream. More...
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static bool | formatValue (const T &value, const std::string &format, std::ostream &ostr) |
| | Given a value, print it formatted to stream.
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template<class T = std::string>
class drain::VariableFormatter< T >
Formats variables to output stream.
This base class supports following formatting:
printf() style formatting, like "%08.2d"
bash substring style formatting, like ":2:3" (take 3 letters, starting from position 2)
- Template Parameters
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| T | - type of the variables. |
- See also
- StringLet
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StringMapper
◆ formatVariable()
| virtual bool formatVariable |
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const std::string & |
key, |
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const T & |
value, |
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const std::string & |
format, |
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std::ostream & |
ostr |
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inlinevirtual |
Given a key, retrieve an associated value from the map and print the value formatted into a stream.
Default implementation discards key.
- Returns
- false if value not found in the map, else print it formatted in a stream.
Reimplemented in VariableFormatterODIM< T >.
◆ handle()
| virtual bool handle |
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const std::string & |
key, |
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const map_t & |
variables, |
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std::ostream & |
ostr |
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inlinevirtual |
Searches given key in a map, and if found, processes (formats) the value to ostream. Return false, if variable not found.
Return false, if variable not found. Then, further processors may handle the variable tag (remove, change, leave it).
The documentation for this class was generated from the following file:
1.9.1