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-rw-r--r--src/helper/startup.tcl62
1 files changed, 34 insertions, 28 deletions
diff --git a/src/helper/startup.tcl b/src/helper/startup.tcl
index eefb690e..30dc184f 100644
--- a/src/helper/startup.tcl
+++ b/src/helper/startup.tcl
@@ -25,6 +25,39 @@ proc exit {} {
ocd_throw exit
}
+proc cmd_help {cmdname h indent} {
+ set indent [expr $indent * 2]
+
+ set fmt_str [format "%%%ds%%-%ds %%s" $indent [expr 25 - $indent]]
+ set w [expr 50 - $indent]
+ set n 0
+
+ while 1 {
+ if {$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 $fmt_str "" $cmdname \
+ [string range $h $n [expr $next_a - 1]] ]
+ set cmdname ""
+ set n [expr $next_a]
+ }
+}
+
#Print help text for a command. Word wrap
#help text that is too wide inside column.
proc help {args} {
@@ -35,34 +68,7 @@ proc help {args} {
[string first $cmd $a] != -1 || \
[string first $cmd [lindex $a 1]] != -1} \
{
- set w 50
- 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]
- }
+ cmd_help [lindex $a 0] [lindex $a 1] 0
}
}
}