interpreter.cpp File Reference

pianod command processing. More...

#include <cctype>
#include <cstring>
#include <set>
#include <parsnip/parsnip_command.h>
#include <parsnip/parsnip_argv.h>
#include "fundamentals.h"
#include "interpreter.h"

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Functions
static bool	helpMatches (std::string help, const std::vector< std::string > search)
	Determine if search criteria match a help string. More...
static std::string	simplify_statement (const std::string &statement, std::set< std::string > *option_parsers)
	Remove cruft from a statement definition to clean up its presentation as help. More...
static std::string	getRequestName (const Parsnip::Data &request, const std::set< std::string > &ignore=IgnoreNothing)
	Retrieve the request name by searching keys in a dictionary. More...
static void	rewrite_push (const char *name, Parsnip::Data *piece, Parsnip::Data *request)
	Move pieces of requests into a tree structure for execution. More...

Variables
static const std::set< std::string >	IgnoreNothing
	Empty set. More...

Detailed Description

pianod command processing.

• pianod command interpretation and execution.

  Author

  Perette Barella

  Date

  2020-11-23

  Copyright

  Copyright 2021 Devious Fish. All rights reserved.

Function Documentation

getRequestName()

static std::string getRequestName ( const Parsnip::Data &  request, const std::set< std::string > &  ignore = IgnoreNothing  )

static

Retrieve the request name by searching keys in a dictionary.

Parameters

request	The request.
ignore	A set of keys to ignore.

Returns

The request name.

Exceptions

Command

error if there are no keys or multiple non-ignored keys in the dictionary.

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helpMatches()

static bool helpMatches ( std::string  help, const std::vector< std::string >  search  )

static

Determine if search criteria match a help string.

Parameters

help	The help string to check.
search	A list of search criteria (words).

Returns

True if the search matches, false otherwise.

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rewrite_push()

static void rewrite_push ( const char *  name, Parsnip::Data *  piece, Parsnip::Data *  request  )

static

Move pieces of requests into a tree structure for execution.

Parameters

name	The new name of the piece being moved.
piece	The piece being moved. If nullptr, then nothing is performed.
request	The existing request. On return, the moved piece is moved to wrap this.

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simplify_statement()

static std::string simplify_statement ( const std::string &  statement, std::set< std::string > *  option_parsers  )

static

Remove cruft from a statement definition to clean up its presentation as help.

Parameters

statement	The statement to clean up.
option_parsers	If the statement references option parsers, they are added to the set.

Returns

The statement, ready for presentation as help.

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Variable Documentation

IgnoreNothing

const std::set<std::string> IgnoreNothing

static

Empty set.