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tcl_help prettier output. 

git-svn-id: svn://svn.berlios.de/openocd/trunk@793 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2008-07-11 17:36:36 +00:00
parent 69c6f1f7ea
commit e04f0142ee
1 changed files with 25 additions and 2 deletions
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27
src/startup.tcl
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@ -62,13 +62,36 @@ proc flash args {
openocd_throw "flash $args"
}
#Print help text for a command
#Print help text for a command. Word wrap
#help text that is too wide inside column.
proc tcl_help {args} {
global ocd_helptext
set cmd $args
foreach a [lsort $ocd_helptext] {
if {[string length $cmd]==0||[string first $cmd $a]!=-1} {
puts [format "%18s - %s" [lindex $a 0] [lindex $a 1]]
set w 40
set cmdname [lindex $a 0]
set h [lindex $a 1]
set n 0
while 1 {
if {$n > [string length $h]} {break}
set next_a [expr $n+$w]
if {[string length $h]>$n+$w} {
set xxxx [string range $h $n [expr $n+$w]]
for {set lastpos [expr [string length $xxxx]-1]} {$lastpos>=0&&[string compare [string range $xxxx $lastpos $lastpos] " "]!=0} {set lastpos [expr $lastpos-1]} {
}
#set next_a -1
if {$lastpos!=-1} {
set next_a [expr $lastpos+$n+1]
}
}
puts [format "%-25s %s" $cmdname [string range $h $n [expr $next_a-1]] ]
set cmdname ""
set n [expr $next_a]
}
}
}
}