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#!/usr/locanl/bin/tclsh
# FILE: "/home/joze/src/tclreadline/tclreadlineSetup.tcl.in"
# LAST MODIFICATION: "Mon Sep 20 01:34:31 1999 (joze)"
# (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
# $Id$
# ---
#
# tclreadline -- gnu readline for tcl
# Copyright (C) 1999  Johannes Zellner
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
................................................................................
# ================================================================== 


package provide tclreadline @TCLREADLINE_VERSION@

proc unknown args {

	global auto_noexec auto_noload env unknown_pending tcl_interactive
	global errorCode errorInfo

	# Save the values of errorCode and errorInfo variables, since they
	# may get modified if caught errors occur below.  The variables will
	# be restored just before re-executing the missing command.

	set savedErrorCode $errorCode
	set savedErrorInfo $errorInfo
	set name [lindex $args 0]
	if ![info exists auto_noload] {
		#
		# Make sure we're not trying to load the same proc twice.
		#
		if [info exists unknown_pending($name)] {
			return -code error "self-referential recursion in \"unknown\" for command \"$name\""
		}
		set unknown_pending($name) pending
		set ret [catch {auto_load $name [uplevel 1 {namespace current}]} msg]
		unset unknown_pending($name)
		if {$ret != 0} {
			return -code $ret -errorcode $errorCode \
				"error while autoloading \"$name\": $msg"
		}
		if ![array size unknown_pending] {
			unset unknown_pending
		}
		if $msg {
			set errorCode $savedErrorCode
			set errorInfo $savedErrorInfo
			set code [catch {uplevel 1 $args} msg]
			if {$code ==  1} {
				#
				# Strip the last five lines off the error stack (they're
				# from the "uplevel" command).
				#

				set new [split $errorInfo \n]
				set new [join [lrange $new 0 [expr [llength $new] - 6]] \n]
				return -code error -errorcode $errorCode \
						-errorinfo $new $msg
			} else {
				return -code $code $msg
			}
		}
	}

	# REMOVED THE [info script] TEST (joze, SEP 98)
	if {([info level] == 1) \
			&& [info exists tcl_interactive] && $tcl_interactive} {
		if ![info exists auto_noexec] {
			set new [auto_execok $name]
			if {$new != ""} {
				set errorCode $savedErrorCode
				set errorInfo $savedErrorInfo
				set redir ""
				if {[info commands console] == ""} {
					set redir ">&@stdout <@stdin"
				}
				# LOOK FOR GLOB STUFF IN $ARGS (joze, SEP 98)
				return [uplevel eval exec $redir $new \
					[::tclreadline::Glob [lrange $args 1 end]]]
			}
		}
		set errorCode $savedErrorCode
		set errorInfo $savedErrorInfo
		if {$name == "!!"} {
			set newcmd [history event]
		} elseif {[regexp {^!(.+)$} $name dummy event]} {
			set newcmd [history event $event]
		} elseif {[regexp {^\^([^^]*)\^([^^]*)\^?$} $name dummy old new]} {
			set newcmd [history event -1]
			catch {regsub -all -- $old $newcmd $new newcmd}
		}
		if [info exists newcmd] {
			tclLog $newcmd
			history change $newcmd 0
			return [uplevel $newcmd]
		}

		set ret [catch {set cmds [info commands $name*]} msg]
		if {[string compare $name "::"] == 0} {
			set name ""
		}
		if {$ret != 0} {
			return -code $ret -errorcode $errorCode \
				"error in unknown while checking if \"$name\" is a unique command abbreviation: $msg"
		}
		if {[llength $cmds] == 1} {
			return [uplevel [lreplace $args 0 0 $cmds]]
		}
		if {[llength $cmds] != 0} {
			if {$name == ""} {
				return -code error "empty command name \"\""
			} else {
				return -code error \
						"ambiguous command name \"$name\": [lsort $cmds]"
			}
		}
	}
	return -code error "invalid command name \"$name\""
}

namespace eval tclreadline {

namespace export Setup Loop InitTclCmds InitTkCmds Print ls

proc ls {args} {
................................................................................
	} else {
		eval exec ls -FC [Glob $args]
	}
}

proc Setup {args} {

	uplevel #0 {

		if {"" == [info commands ::tclreadline::readline]} {
			::tclreadline::Init
		}

		if {[catch {set a [::tclreadline::prompt1]}] \
			&& [info nameofexecutable] != ""} {

			namespace eval ::tclreadline {
				variable prompt_string
				set base [file tail [info nameofexecutable]]

				if {[string match tclsh* $base] && [info exists tcl_version]} {
					set prompt_string \
						"\[0;91mtclsh$tcl_version\[0m"
				} elseif {[string match wish* $base] \
					&& [info exists tk_version]} {
					set prompt_string "\[0;94mwish$tk_version\[0m"
				} else {
					set prompt_string "\[0;91m$base\[0m"
				}

			}

			if {"" == [info procs ::tclreadline::prompt1]} {
				proc ::tclreadline::prompt1 {} {
					variable prompt_string
					global env
					if {[catch {set pwd [pwd]} tmp]} {
						set pwd "unable to get pwd"
					}

					if [info exists env(HOME)] {
						regsub $env(HOME) $pwd "~" pwd
					}
					return "$prompt_string \[$pwd\]"
				}
			}
			# puts body=[info body ::tclreadline::prompt1]
		}

		if {"" == [info procs exit]} {

			catch {rename ::tclreadline::Exit ""}
			rename exit ::tclreadline::Exit

			proc exit {args} {

				if {[catch {
					::tclreadline::readline write \
					[::tclreadline::HistoryFileGet]
				} ::tclreadline::errorMsg]} {
					puts stderr $::tclreadline::errorMsg
				}

				# this call is ignored, if tclreadline.c
				# was compiled with CLEANUP_AFER_SIGNAL
				# not defined. This is the case for
				# older versions of libreadline.
				#
				::tclreadline::readline reset-terminal

				if [catch "eval ::tclreadline::Exit $args" message] {
					puts stderr "error:"
					puts stderr "$message"
				}
				# NOTREACHED
			}
		}

	}

	global env
	variable historyfile

	if {[string trim [llength ${args}]]} {
		set historyfile ""
		catch {
			set historyfile [file nativename [lindex ${args} 0]]
		}
		if {"" == [string trim $historyfile]} {
			set historyfile [lindex ${args} 0]
		}
	} else {
		if [info exists env(HOME)] {
			set historyfile  $env(HOME)/.tclsh-history
		} else {
			set historyfile  .tclsh-history
		}
	}
	set ::tclreadline::errorMsg [readline initialize $historyfile]
	if {$::tclreadline::errorMsg != ""} {
		puts stderr $::tclreadline::errorMsg
	}

	# InitCmds

	rename Setup ""
}

proc HistoryFileGet {} {
	variable historyfile
	return $historyfile
}

# obsolete
#
proc Glob {string} {

	set commandstring ""
	foreach name $string {
		set replace [glob -nocomplain -- $name]
		if {$replace == ""} {
			lappend commandstring $name
		} else {
			lappend commandstring $replace
		}
	}
	# return $commandstring
	# Christian Krone <krischan@sql.de> proposed
	return [eval concat $commandstring]
}



proc Loop {args} {

	eval Setup ${args}

	uplevel #0 {

		while {1} {

			if [info exists tcl_prompt2] {
				set prompt2 $tcl_prompt2
			} else {
				set prompt2 ">"
			}

			if {[catch {
				if {"" != [namespace eval ::tclreadline {info procs prompt1}]} {
					set LINE [::tclreadline::readline read \
					[::tclreadline::prompt1]]
				} else {
					set LINE [::tclreadline::readline read %]
				}
				while {![::tclreadline::readline complete $LINE]} {
					append LINE "\n"
					append LINE [tclreadline::readline read ${prompt2}]
				}
			} ::tclreadline::errorMsg]} {
				puts stderr [list tclreadline::Loop: error. \
				$::tclreadline::errorMsg]
				continue
			}

			# Magnus Eriksson <magnus.eriksson@netinsight.se> proposed
			# to add the line also to tclsh's history.
			#
			# I decided to add only lines which are different from
			# the previous one to the history. This is different
			# from tcsh's behaviour, but I found it quite convenient
			# while using mshell on os9.
			#
			if {[string length $LINE] && [history event 0] != $LINE} {
				history add $LINE
			}

			if [catch {
				set result [eval $LINE]
				if {$result != "" && [tclreadline::Print]} {
					puts $result
				}
				set result ""
			} ::tclreadline::errorMsg] {
				puts stderr $::tclreadline::errorMsg
				puts stderr [list while evaluating $LINE]
			}

		}
	}
}

proc Print {args} {
	variable PRINT
	if ![info exists PRINT] {
		set PRINT yes
	}
	if [regexp -nocase \(true\|yes\|1\) $args] {
		set PRINT yes
	} elseif [regexp -nocase \(false\|no\|0\) $args] {
		set PRINT no
	}
	return $PRINT
}
# 
# 
# proc InitCmds {} {
#     # XXX
#     return 
#     # XXX


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#!/usr/locanl/bin/tclsh
# FILE: "/home/joze/src/tclreadline/tclreadlineSetup.tcl.in"
# LAST MODIFICATION: "Thu, 23 Mar 2000 22:45:43 +0100 (joze)"
# (C) 1998 - 2000 by Johannes Zellner, <johannes@zellner.org>
# $Id$
# ---
#
# tclreadline -- gnu readline for tcl
# Copyright (C) 1998 - 2000 by Johannes Zellner
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
................................................................................
# ================================================================== 


package provide tclreadline @TCLREADLINE_VERSION@

proc unknown args {

    global auto_noexec auto_noload env unknown_pending tcl_interactive
    global errorCode errorInfo

    # Save the values of errorCode and errorInfo variables, since they
    # may get modified if caught errors occur below.  The variables will
    # be restored just before re-executing the missing command.

    set savedErrorCode $errorCode
    set savedErrorInfo $errorInfo
    set name [lindex $args 0]
    if ![info exists auto_noload] {
	#
	# Make sure we're not trying to load the same proc twice.
	#
	if [info exists unknown_pending($name)] {
	    return -code error "self-referential recursion in \"unknown\" for command \"$name\""
	}
	set unknown_pending($name) pending
	set ret [catch {auto_load $name [uplevel 1 {namespace current}]} msg]
	unset unknown_pending($name)
	if {$ret != 0} {
	    return -code $ret -errorcode $errorCode \
	    "error while autoloading \"$name\": $msg"
	}
	if ![array size unknown_pending] {
	    unset unknown_pending
	}
	if $msg {
	    set errorCode $savedErrorCode
	    set errorInfo $savedErrorInfo
	    set code [catch {uplevel 1 $args} msg]
	    if {$code ==  1} {
		#
		# Strip the last five lines off the error stack (they're
		    # from the "uplevel" command).
		#

		set new [split $errorInfo \n]
		set new [join [lrange $new 0 [expr [llength $new] - 6]] \n]
		return -code error -errorcode $errorCode \
		-errorinfo $new $msg
	    } else {
		return -code $code $msg
	    }
	}
    }

    # REMOVED THE [info script] TEST (joze, SEP 98)

    if {([info level] == 1) && [info exists tcl_interactive] && $tcl_interactive} {
	if ![info exists auto_noexec] {
	    set new [auto_execok $name]
	    if {$new != ""} {
		set errorCode $savedErrorCode
		set errorInfo $savedErrorInfo
		set redir ""
		if {[info commands console] == ""} {
		    set redir ">&@stdout <@stdin"
		}
		# LOOK FOR GLOB STUFF IN $ARGS (joze, SEP 98)
		return [uplevel eval exec $redir $new \
		[::tclreadline::Glob [lrange $args 1 end]]]
	    }
	}
	set errorCode $savedErrorCode
	set errorInfo $savedErrorInfo
	if {$name == "!!"} {
	    set newcmd [history event]
	} elseif {[regexp {^!(.+)$} $name dummy event]} {
	    set newcmd [history event $event]
	} elseif {[regexp {^\^([^^]*)\^([^^]*)\^?$} $name dummy old new]} {
	    set newcmd [history event -1]
	    catch {regsub -all -- $old $newcmd $new newcmd}
	}
	if [info exists newcmd] {
	    tclLog $newcmd
	    history change $newcmd 0
	    return [uplevel $newcmd]
	}

	set ret [catch {set cmds [info commands $name*]} msg]
	if {[string compare $name "::"] == 0} {
	    set name ""
	}
	if {$ret != 0} {
	    return -code $ret -errorcode $errorCode \
	    "error in unknown while checking if \"$name\" is a unique command abbreviation: $msg"
	}
	if {[llength $cmds] == 1} {
	    return [uplevel [lreplace $args 0 0 $cmds]]
	}
	if {[llength $cmds] != 0} {
	    if {$name == ""} {
		return -code error "empty command name \"\""
	    } else {
		return -code error \
		"ambiguous command name \"$name\": [lsort $cmds]"
	    }
	}
    }
    return -code error "invalid command name \"$name\""
}

namespace eval tclreadline {

namespace export Setup Loop InitTclCmds InitTkCmds Print ls

proc ls {args} {
................................................................................
	} else {
		eval exec ls -FC [Glob $args]
	}
}

proc Setup {args} {

    uplevel #0 {

	if {"" == [info commands ::tclreadline::readline]} {
	    ::tclreadline::Init
	}

	if {[catch {set a [::tclreadline::prompt1]}] && [info nameofexecutable] != ""} {


	    namespace eval ::tclreadline {
		variable prompt_string
		set base [file tail [info nameofexecutable]]

		if {[string match tclsh* $base] && [info exists tcl_version]} {
		    set prompt_string \
		    "\[0;31mtclsh$tcl_version\[0m"
		} elseif {[string match wish* $base] \
		    && [info exists tk_version]} {
			set prompt_string "\[0;34mwish$tk_version\[0m"
		    } else {
			set prompt_string "\[0;31m$base\[0m"
		    }

	    }

	    if {"" == [info procs ::tclreadline::prompt1]} {
		proc ::tclreadline::prompt1 {} {
		    variable prompt_string
		    global env
		    if {[catch {set pwd [pwd]} tmp]} {
			set pwd "unable to get pwd"
		    }

		    if [info exists env(HOME)] {
			regsub $env(HOME) $pwd "~" pwd
		    }
		    return "$prompt_string \[$pwd\]"
		}
	    }
	    # puts body=[info body ::tclreadline::prompt1]
	}

	if {"" == [info procs exit]} {

	    catch {rename ::tclreadline::Exit ""}
	    rename exit ::tclreadline::Exit

	    proc exit {args} {

		if {[catch {
		    ::tclreadline::readline write \
		    [::tclreadline::HistoryFileGet]
		} ::tclreadline::errorMsg]} {
		    puts stderr $::tclreadline::errorMsg
		}

		# this call is ignored, if tclreadline.c
		# was compiled with CLEANUP_AFER_SIGNAL
		# not defined. This is the case for
		# older versions of libreadline.
		#
		::tclreadline::readline reset-terminal

		if [catch "eval ::tclreadline::Exit $args" message] {
		    puts stderr "error:"
		    puts stderr "$message"
		}
		# NOTREACHED
	    }
	}

    }

    global env
    variable historyfile

    if {[string trim [llength ${args}]]} {
	set historyfile ""
	catch {
	    set historyfile [file nativename [lindex ${args} 0]]
	}
	if {"" == [string trim $historyfile]} {
	    set historyfile [lindex ${args} 0]
	}
    } else {
	if [info exists env(HOME)] {
	    set historyfile  $env(HOME)/.tclsh-history
	} else {
	    set historyfile  .tclsh-history
	}
    }
    set ::tclreadline::errorMsg [readline initialize $historyfile]
    if {$::tclreadline::errorMsg != ""} {
	puts stderr $::tclreadline::errorMsg
    }

    # InitCmds

    rename Setup ""
}

proc HistoryFileGet {} {
    variable historyfile
    return $historyfile
}

# obsolete
#
proc Glob {string} {

    set commandstring ""
    foreach name $string {
	set replace [glob -nocomplain -- $name]
	if {$replace == ""} {
	    lappend commandstring $name
	} else {
	    lappend commandstring $replace
	}
    }
    # return $commandstring
    # Christian Krone <krischan@sql.de> proposed
    return [eval concat $commandstring]
}



proc Loop {args} {

    eval Setup ${args}

    uplevel #0 {

	while {1} {

	    if [info exists tcl_prompt2] {
		set prompt2 $tcl_prompt2
	    } else {
		set prompt2 ">"
	    }

	    if {[catch {
		if {"" != [namespace eval ::tclreadline {info procs prompt1}]} {
		    set LINE [::tclreadline::readline read \
		    [::tclreadline::prompt1]]
		} else {
		    set LINE [::tclreadline::readline read %]
		}
		while {![::tclreadline::readline complete $LINE]} {
		    append LINE "\n"
		    append LINE [tclreadline::readline read ${prompt2}]
		}
	    } ::tclreadline::errorMsg]} {
		puts stderr [list tclreadline::Loop: error. \
		$::tclreadline::errorMsg]
		continue
	    }

	    # Magnus Eriksson <magnus.eriksson@netinsight.se> proposed
	    # to add the line also to tclsh's history.
	    #
	    # I decided to add only lines which are different from
	    # the previous one to the history. This is different
	    # from tcsh's behaviour, but I found it quite convenient
	    # while using mshell on os9.
	    #
	    if {[string length $LINE] && [history event 0] != $LINE} {
		history add $LINE
	    }

	    if [catch {
		set result [eval $LINE]
		if {$result != "" && [tclreadline::Print]} {
		    puts $result
		}
		set result ""
	    } ::tclreadline::errorMsg] {
		puts stderr $::tclreadline::errorMsg
		puts stderr [list while evaluating $LINE]
	    }

	}
    }
}

proc Print {args} {
    variable PRINT
    if ![info exists PRINT] {
	set PRINT yes
    }
    if [regexp -nocase \(true\|yes\|1\) $args] {
	set PRINT yes
    } elseif [regexp -nocase \(false\|no\|0\) $args] {
	set PRINT no
    }
    return $PRINT
}
# 
# 
# proc InitCmds {} {
#     # XXX
#     return 
#     # XXX