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'\"
'\" Generated from file 'cmdr_config\&.man' by tcllib/doctools with format 'nroff'
'\" Copyright (c) 2013-2016 Andreas Kupries
'\" Copyright (c) 2013-2016 Documentation, Andreas Kupries
'\"
.TH "cmdr::config" n 1\&.2 doc "Cmdr, a framework for command line parsing and dispatch"
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.SH "STANDARD OPTIONS"
.LP
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.LP
See the \\*(So manual entry for details on the standard options.
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.LP
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Command-Line Name:	\\fB\\$1\\fR
Database Name:	\\fB\\$2\\fR
Database Class:	\\fB\\$3\\fR
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.BS
.SH NAME
cmdr::config \- Cmdr - (Partially internal) Collection of parameters for privates
.SH SYNOPSIS
package require \fBcmdr::config \fR
.sp
\fB::cmdr::config\fR \fBnew\fR \fIcontext\fR \fIspec\fR
.sp
\fB::cmdr::config\fR \fBcreate\fR \fIobj\fR \fIcontext\fR \fIspec\fR
.sp
\fB::cmdr::config\fR \fBinteractive\fR ?\fIenable\fR?
.sp
\fB::cmdr::config\fR \fBdisplay\fR \fIdisplaycmd\fR
.sp
\fB<config>\fR \fB@\&.\&.\&.\fR \fI\&.\&.\&.\fR
.sp
\fB<config>\fR \fBarguments\fR
.sp
\fB<config>\fR \fBcomplete\fR \fIline\fR
.sp
\fB<config>\fR \fBcomplete-repl\fR \fIparse\fR
.sp
\fB<config>\fR \fBcomplete-words\fR \fIparse\fR
.sp
\fB<config>\fR \fBcontinued\fR \fIline\fR
.sp
\fB<config>\fR \fBdispatch\fR \fIcmd\fR
.sp
\fB<config>\fR \fBdisplay\fR ?\fIplist\fR?
.sp
\fB<config>\fR \fBdump\fR
.sp
\fB<config>\fR \fBeoptions\fR
.sp
\fB<config>\fR \fBexit\fR
.sp
\fB<config>\fR \fBforce\fR ?\fIallowinteract\fR? ?\fIforcedefered\fR?
.sp
\fB<config>\fR \fBforget\fR
.sp
\fB<config>\fR \fBhas\fR \fIname\fR
.sp
\fB<config>\fR \fBhelp\fR ?\fImode\fR?
.sp
\fB<config>\fR \fBinteract\fR
.sp
\fB<config>\fR \fBinteractive\fR
.sp
\fB<config>\fR \fBlookup\fR \fIname\fR
.sp
\fB<config>\fR \fBlookup-option\fR \fIname\fR
.sp
\fB<config>\fR \fBmissingOptionValue\fR \fIname\fR
.sp
\fB<config>\fR \fBnames\fR
.sp
\fB<config>\fR \fBnotEnough\fR
.sp
\fB<config>\fR \fBoptions\fR
.sp
\fB<config>\fR \fBparse\fR ?\fIword\&.\&.\&.\fR?
.sp
\fB<config>\fR \fBparse-options\fR
.sp
\fB<config>\fR \fBprompt1\fR
.sp
\fB<config>\fR \fBprompt2\fR
.sp
\fB<config>\fR \fBpublic\fR
.sp
\fB<config>\fR \fBraise\fR \fImsg\fR ?\fIword\&.\&.\&.\fR?
.sp
\fB<config>\fR \fBreport\fR \fIwhat\fR \fIdata\fR
.sp
\fB<config>\fR \fBreset\fR
.sp
\fB<config>\fR \fBself\fR
.sp
\fB<config>\fR \fBtooMany\fR
.sp
\fB<config>\fR \fBunknown\fR \fImethod\fR ?\fIword\&.\&.\&.\fR?
.sp
.BE
.SH DESCRIPTION
.PP
Welcome to the Cmdr project, written by Andreas Kupries\&.
.PP
For availability please read \fICmdr - How To Get The Sources\fR\&.
.PP
This package implements the collections of \fBcmdr::parameters\fR
serving as the configuration of privates (see \fBcmdr::private\fR)\&.
.SH "CLASS API"
The class API is not public\&. It is used internally by the framework
when parsing a command hierarchy specification to create the necessary
configuration instances\&.
.PP
It is described here for use by developers maintaining,
modifying and extending the framework itself\&. A user of the framework
has no need for it\&.
.TP
\fB::cmdr::config\fR \fBnew\fR \fIcontext\fR \fIspec\fR
Create an auto-named instance of \fBcmdr::config\fR\&.
.sp
\fINot used\fR\&.
.TP
\fB::cmdr::config\fR \fBcreate\fR \fIobj\fR \fIcontext\fR \fIspec\fR
Create a new instance of \fBcmdr::config\fR, named \fIobj\fR\&.
.RS
.TP
string \fIobj\fR
The (command) name of the new config instance\&.
.TP
cmdr::config \fIcontext\fR
The instance command of the \fBcmdr::private\fR instance the configuration
will belong to\&.
.TP
script \fIspec\fR
Tcl-script specifying the parameters in detail\&.
Please read \fICmdr - Parameter Specification Language\fR for the details\&.
.RE
.TP
\fB::cmdr::config\fR \fBinteractive\fR ?\fIenable\fR?
Class method to change the global interaction default for the
mini-shell of privates\&. The default is to disable this mini-shell
for all privates, and enable it on a per-private basis, through
the specification\&.
.RS
.TP
boolean \fIenable\fR
Defaults to \fBtrue\fR, globally activating the mini-shell\&.
.RE
.TP
\fB::cmdr::config\fR \fBdisplay\fR \fIdisplaycmd\fR
Class method to override the standard display command used by
the mini-shell to show the current state of all parameters\&.
.RS
.TP
commandprefix \fIdisplaycmd\fR
The display command to use\&. The command will be called with a
single argument, a list containing the names of the parameters
to show\&. The command has to format the state of the requested
parameters as a string and return this string as its result\&.
.RE
.PP
.SH "INSTANCE API"
Most of the instance API is not public\&.
.PP
It is described here for use by developers maintaining,
modifying and extending the framework itself\&. A user of the framework
has no need for it\&.
.TP
\fB<config>\fR \fB@\&.\&.\&.\fR \fI\&.\&.\&.\fR
All parameters held by a configuration instance are accessible
through it\&. To this end each parameter named \fBfoo\fR has a
dynamically created accessor method \fB@foo\fR taking the
method and its arguments to apply to the parameter instance\&.
.sp
If no words are specified at all the system defaults to the
application of instance method \fBvalue\fR\&.
.sp
Together with a parameter's ability to access the
configuration holding it having access to a single parameter
instance (like in the various callbacks) provides access to all\&.
.RS
.TP
list \fIlist\fR
.RE
.TP
\fB<config>\fR \fBarguments\fR
This method returns a list of parameter names,
for the parameters which are arguments\&.
.TP
\fB<config>\fR \fBcomplete\fR \fIline\fR
This method is part of the mini shell command line
completion\&. For the details of its workings please read
\fICmdr - Internals of command line completion\fR\&.
.sp
This hook-method, the entrypoint for the repl
is responsible for computing the set of completions
for the entered \fIline\fR\&.
.RS
.TP
string \fIline\fR
The command line to complete\&.
.RE
.TP
\fB<config>\fR \fBcomplete-repl\fR \fIparse\fR
This internal method is part of the mini shell command line
completion\&. For the details of its workings please read
\fICmdr - Internals of command line completion\fR\&.
.sp
It is used by the hook-method \fBcomplete\fR (see above)\&.
Given the completion state \fIparse\fR of a partial command
line it returns a list of strings which are the valid
completions at this point\&.
.RS
.TP
dict \fIparse\fR
A dictionary holding the current completion state of a partial command
line\&.
.RE
.TP
\fB<config>\fR \fBcomplete-words\fR \fIparse\fR
This method is part of the main shell command line
completion\&. For the details of its workings please read
\fICmdr - Internals of command line completion\fR\&.
.sp
Given the completion state \fIparse\fR of a partial
command line it returns a list of strings which are the valid
completions at this point\&.
.RS
.TP
dict \fIparse\fR
A dictionary holding the current completion state of a partial command
line\&.
.RE
.TP
\fB<config>\fR \fBcontinued\fR \fIline\fR
This hook-method for the mini-shell is responsible for the detection
of a continuation-line in the entered command \fIline\fR\&. It always
returns the boolean value \fBfalse\fR as the mini-shell does not
support continuation lines\&.
.RS
.TP
list \fIlist\fR
.RE
.TP
\fB<config>\fR \fBdispatch\fR \fIcmd\fR
This hook-method for the mini-shell is responsible for
the recognition and execution of the supported commands\&.
.RS
.TP
string \fIcmd\fR
The command line containing the command to run\&.
.RE
.TP
\fB<config>\fR \fBdisplay\fR ?\fIplist\fR?
This method formats the chosen parameters for display and returns
the result as a string\&. This invokes the chosen display callback,
if one was set\&. Without an internal formatter is used instead\&.
.RS
.TP
list \fIplist\fR
The list of parameters (by name) to format for display\&.
If not specified the list default to the set of
\fBpublic\fR parameters plus any undocumented parameters
already set by the user\&.
.RE
.TP
\fB<config>\fR \fBdump\fR
This method formats all parameters for display, using the
internal formatter, and returns the result as a string\&.
Useful for debugging\&.
.TP
\fB<config>\fR \fBeoptions\fR
This method returns a dictionary mapping all possible
option prefixes to a list of full option names with
that prefix\&.
.TP
\fB<config>\fR \fBexit\fR
This hook-method for the mini-shell returns a boolean
value indicating whether the mini-shell was stopped
and has to exit (\fBtrue\fR), or not (\fBfalse\fR)\&.
.TP
\fB<config>\fR \fBforce\fR ?\fIallowinteract\fR? ?\fIforcedefered\fR?
This method forces the calculation of the values for all parameters
in the configuration instance\&. This is the ''completion phase''\&.
.RS
.TP
boolean \fIallowinteract\fR
If specified as \fBfalse\fR parameters allowing the interactive
entry of their value have this feature disabled for the operation\&.
The default is \fBtrue\fR, allowing for the interaction\&.
.TP
boolean \fIforcedefered\fR
If specified as \fBtrue\fR even parameters marked as "defered"
are forced to generate their value\&. The default is \fBfalse\fR,
causing the method to ignore such parameters\&.
.RE
.TP
\fB<config>\fR \fBforget\fR
This method invokes the parameter method \fBforget\fR on all
parameters in the configuration\&.
.TP
\fB<config>\fR \fBhas\fR \fIname\fR
This method checks if the configuration instance contains
a parameter with the specified \fIname\fR and returns a
boolean value indicating whether the parameter exists
(\fBtrue\fR), or not (\fBfalse\fR)\&.
.RS
.TP
string \fIname\fR
The name of the parameter to check for existence
.RE
.TP
\fB<config>\fR \fBhelp\fR ?\fImode\fR?
This method returns the help information for the
parameters held in the configuration\&.
The result of the command is a structure of the form
described in section \fBHelp Information\fR\&.
.RS
.TP
enum \fImode\fR
The possible modes are \fBpublic\fR and \fBinteract\fR\&.
If not specified \fBpublic\fR is the default\&.
In this mode only "documented" parameters are included in the help\&.
In mode "interact", used by the mini-shell undocumented parameters
are included as well, if they are already set by the user\&.
.RE
.TP
\fB<config>\fR \fBinteract\fR
This method invokes the mini-shell for interactive parameter entry\&.
It returns on exit from the shell\&.
The result of the method is the empty string\&.
.TP
\fB<config>\fR \fBinteractive\fR
This accessor method returns a boolean value indicating whether use
of the mini-shell is allowed (\fBtrue\fR), or not (\fBfalse\fR)\&.
.TP
\fB<config>\fR \fBlookup\fR \fIname\fR
This method checks if the configuration instance contains
a parameter with the specified \fIname\fR and returns its
instance\&. An error is thrown if the parameter is not known\&.
.RS
.TP
string \fIname\fR
The name of the parameter to retrieve\&.
.RE
.TP
\fB<config>\fR \fBlookup-option\fR \fIname\fR
This method checks if the configuration instance contains
a parameter controlling the specified option \fIname\fR
and returns its instance\&. An error is thrown if the option
is not known\&.
.RS
.TP
string \fIname\fR
The option flag to find the controlling parameter for\&.
.RE
.TP
\fB<config>\fR \fBmissingOptionValue\fR \fIname\fR
This method throws the standard error for when the option \fIname\fR
requiring an argument value does not have one\&. See the
methods \fBnotEnough\fR and \fBtooMany\fR as well\&.
.RS
.TP
string \fIname\fR
The flag triggering the error\&.
.RE
.TP
\fB<config>\fR \fBnames\fR
This method returns a list of parameter names, for all parameters\&.
.TP
\fB<config>\fR \fBnotEnough\fR
This method throws the standard error for when a command is found
to be supplied with not enough arguments for its parameters\&. See
the methods \fBmissingOptionValue\fR and \fBtooMany\fR as well\&.
.TP
\fB<config>\fR \fBoptions\fR
This method returns a list of the option flags recognized
by the parameters in the configuration\&. This does not include
option prefixes\&.
.TP
\fB<config>\fR \fBparse\fR ?\fIword\&.\&.\&.\fR?
This method parses the words (from the command line) and
maps them to parameters, based on naming (options and flags),
or position (arguments)\&.
.RS
.TP
list \fIword\fR
The words of the command specifying the parameters of the private
holding the configuration instance\&.
.RE
.TP
\fB<config>\fR \fBparse-options\fR
This method is a helper for \fBparse\fR above\&.
Accessing the internal queue initialized by \fBparse\fR
it splits arguments and options, processing all the latter\&.
The arguments are put back into the queue, in the order
they were found in\&.
This is used by parameters (optional arguments) using the
regular threshold-regime to determine acceptance\&. All options
still in the command line must be removed (and processed) to
know the proper number of arguments words left\&.
.TP
\fB<config>\fR \fBprompt1\fR
This hook-method for the mini-shell returns the primary
prompt string to use\&.
.TP
\fB<config>\fR \fBprompt2\fR
This hook-method for the mini-shell returns the secondary
prompt string for use within a continuation\&. As the mini-shell
does not support continuation lines it should not be invoked
ever, and thus always throws an error should it be invoked\&.
.TP
\fB<config>\fR \fBpublic\fR
This method a list of parameter names, for all documented
option and argument parameters\&.
.TP
\fB<config>\fR \fBraise\fR \fImsg\fR ?\fIword\&.\&.\&.\fR?
This method is a helper for methods \fBtooMany\fR, \fBnotEnough\fR,
and \fBmissingOptionValue\fR, doing the bulk of the work\&.
.RS
.TP
string \fImsg\fR
The human-readable error message to use\&.
.TP
list \fIword\fR
The machine-readable (trap-able) error code to use\&.
.RE
.TP
\fB<config>\fR \fBreport\fR \fIwhat\fR \fIdata\fR
This hook-method for the mini-shell is responsible for the
reporting of the command results and handles the display of
the parameter state before a new prompt\&.
.sp
Its result is the empty string\&.
.RS
.TP
enum \fIwhat\fR
The result code of the command, one of \fBok\fR, or \fBfail\fR\&.
.TP
any \fIdata\fR
The result of the command, or an error message in case of failure\&.
.RE
.TP
\fB<config>\fR \fBreset\fR
This method invokes the parameter method \fBreset\fR on all
parameters in the configuration\&.
.TP
\fB<config>\fR \fBself\fR
This method returns the configuration instance itself\&.
.TP
\fB<config>\fR \fBtooMany\fR
This method throws the standard error for when a command is found
to be supplied with too many arguments for its parameters\&. See the
methods \fBmissingOptionValue\fR and \fBnotEnough\fR as well\&.
.TP
\fB<config>\fR \fBunknown\fR \fImethod\fR ?\fIword\&.\&.\&.\fR?
This method is the hook into the TclOO method resolution for the class\&.
It implements the dynamic accessor methods for the parameters held by
the configuration instance\&. See method \fB@\&.\&.\&.\fR at the top\&.
.RS
.TP
list \fIlist\fR
.RE
.PP
.SH "HELP INFORMATION"
The help information generated by various places of the framework
is a dictionary containing the following keys:
.TP
arguments
A list of strings, the names of the command arguments, in order\&.
These names are keys into the \fBparameters\fR sub-dictionary\&.
.TP
desc
The command's description, i\&.e\&. help text\&.
.TP
opt2para
A dictionary mapping option flags to option names\&.
These names are keys into the \fBparameters\fR sub-dictionary\&.
.TP
options
A dictionary mapping option names to their descriptions\&.
.TP
parameters
A dictionary mapping parameter names to their definition\&.
Each definition is a dictionary containing the keys below\&.
See also package \fBcmdr::parameter\fR\&.
.RS
.TP
cmdline
Output of method \fBcmdline\fR\&.
.TP
code
Output of method \fBcode\fR\&.
.TP
default
Output of method \fBdefault\fR\&.
.TP
defered
Output of method \fBdefered\fR\&.
.TP
description
Output of method \fBdescription\fR\&.
.TP
documented
Output of method \fBdocumented\fR\&.
.TP
flags
A dictionary mapping flag names to flag
types, i\&.e\&. \fBprimary\fR, \fBalias\fR,
or \fBinverted\fR\&.
.TP
generator
Output of method \fBgenerator\fR\&.
.TP
interactive
Output of method \fBinteractive\fR\&.
.TP
isbool
Output of method \fBisbool\fR\&.
.TP
label
Output of method \fBlabel\fR\&.
.TP
list
Output of method \fBlist\fR\&.
.TP
ordered
Output of method \fBordered\fR\&.
.TP
presence
Output of method \fBpresence\fR\&.
.TP
prompt
Output of method \fBprompt\fR\&.
.TP
required
Output of method \fBrequired\fR\&.
.TP
threshold
Output of method \fBthreshold\fR\&.
.TP
type
Output of method \fBtype\fR\&.
.TP
validator
Output of method \fBvalidator\fR\&.
.RE
.TP
sections
A list of sections the command belongs to\&.
Each section name is a list itself, the path of the section and sub-sections\&.
.TP
states
A list of strings, the names of the command's hidden state parameters\&.
These names are keys into the \fBparameters\fR sub-dictionary\&.
.PP
.SH "BUGS, IDEAS, FEEDBACK"
Both the package(s) and this documentation will undoubtedly contain
bugs and other problems\&.
Please report such at
\fICmdr Tickets\fR [https:/core\&.tcl\&.tk/akupries/cmdr]\&.
.PP
Please also report any ideas you may have for enhancements of
either package(s) and/or documentation\&.
.SH KEYWORDS
arguments, command hierarchy, command line completion, command line handling, command tree, editing command line, help for command line, hierarchy of commands, interactive command shell, optional arguments, options, parameters, processing command line, tree of commands
.SH COPYRIGHT
.nf
Copyright (c) 2013-2016 Andreas Kupries
Copyright (c) 2013-2016 Documentation, Andreas Kupries

.fi