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d88566d716
Pure TCL code for command line options parsing. PR: 10661 Submitted by: Mikhail Teterin <mi@aldan.algebra.com>
149 lines
4.7 KiB
Plaintext
149 lines
4.7 KiB
Plaintext
--- foxTypedOpts.tcl.orig Sat Feb 19 19:46:50 1994
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+++ foxTypedOpts.tcl Thu Mar 18 16:15:13 1999
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@@ -80,9 +80,8 @@
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# typedopts several times with different <arg-list>s without losing the
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# information from previous calls.
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#
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-# if typedopts can't parse its options for any reason, it will print an
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-# error message to stderr and return a -1 without modifying any other
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-# variables.
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+# if typedopts can't parse its options for any reason, it return an
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+# error message without modifying any other variables.
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#
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# EXAMPLE:
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#
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@@ -157,8 +156,7 @@
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# Initial revision
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#
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-proc typedopts { args } {
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-
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+namespace eval foxOpts {
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proc abbr { s1 s2 } {
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if { [ set len [ string length $s1 ]] } then {
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if { ! [ string compare $s1 [ string range $s2 0 [ expr $len - 1 ]]] } then {
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@@ -298,8 +296,7 @@
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return 1
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}
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default {
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- puts stderr "Eek! Option type <$otype> not supported yet!"
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- set var "isn't a supported type."
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+ set var "<$otype> isn't a supported type."
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return 0
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}
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}
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@@ -315,54 +312,52 @@
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"floats" -
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"strings" {
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if { [ llength $optlist ] } then {
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- puts stderr "typedopts: Type $type doesn't take arguments"
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- return ""
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+ return -code error "typedopts: Type $type doesn't take arguments"
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}
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return [ string index $type 0 ]
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}
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"one-of" {
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if { ! [ llength $optlist ] } then {
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- puts stderr "typedopts: No arguments given to type $type"
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- return ""
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+ return -code error "typedopts: No arguments given to type $type"
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}
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return [ concat [ string index $type 0 ] $optlist ]
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}
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"list-of" -
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"multiple" {
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if { ! [ llength $optlist ] } then {
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- puts stderr "typedopts: No arguments given to type $type"
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- return ""
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- }
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- if { ! [ string length [ set subtype [ parseOption $optlist ]]] } then {
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- return ""
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+ return -code error "typedopts: No arguments given to type $type"
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}
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+ if [catch {parseOption $optlist} subtype] {
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+ return -code error $subtype
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+ }
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return [ concat [ string index $type 0 ] $subtype ]
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}
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default {
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- puts stderr "typedopts: Unknown option type $type"
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- return ""
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+ return -code error "typedopts: Unknown option type $type"
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}
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}
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}
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+}
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+
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+proc typedopts { args } {
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set doinit 1
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if { [ llength $args ] < 5 } then {
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- puts stderr "typedopts: bad number of arguments."
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- return -1
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+ return -code error "typedopts: bad number of arguments."
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}
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- set args [ extract $args arglist optlist optret argret restret ]
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+ set args [ foxOpts::extract $args arglist optlist optret argret restret ]
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while { [ llength $args ] } {
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- set opt [ shift args ]
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- switch -exact [ findabbr { -noinitialize } $opt ] {
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+ set opt [ foxOpts::shift args ]
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+ switch -exact [ foxOpts::findabbr { -noinitialize } $opt ] {
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-noinitialize {
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set doinit 0
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}
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default {
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- puts stderr "typedopts: bad option \"$opt\": should be -noinitialize or --"
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- return -1
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+ return -code error \
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+ "typedopts: bad option \"$opt\": should be -noinitialize or --"
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}
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}
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}
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@@ -380,16 +375,15 @@
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if { [ string length $type ] } then {
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foreach arg $word {
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if { [ lsearch -exact $arg $allopts ] > -1 } then {
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- puts stderr "typedopts: option -$arg multiply declared."
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- return -1
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+ return -code error "typedopts: option -$arg multiply declared."
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}
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lappend allopts $arg
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set opttype($arg) $type
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}
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set type ""
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} else {
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- if { ! [ string length [ set type [ parseOption $word ]]] } then {
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- return -1
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+ if [catch {foxOpts::parseOption $word} type] then {
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+ return -code error $type
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}
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}
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}
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@@ -408,7 +402,7 @@
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while { [ llength $arglist ] } {
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switch -glob -- $arglist {
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-- {
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- shift arglist
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+ foxOpts::shift arglist
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break
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}
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-* {
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@@ -417,10 +411,10 @@
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break
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}
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}
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- set opt [ string range [ shift arglist ] 1 end ]
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- if { [ string length [ set fnd [ findabbr $allopts $opt ]]] } then {
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+ set opt [ string range [ foxOpts::shift arglist ] 1 end ]
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+ if { [ string length [set fnd [foxOpts::findabbr $allopts $opt]]] } then {
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set type $opttype($fnd)
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- if { [ parseOptionType $opttype($fnd) arglist arg ] } then {
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+ if { [ foxOpts::parseOptionType $opttype($fnd) arglist arg ] } then {
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if { $_opts($fnd) && ! [ string match "m*" $type ] } then {
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set _args(_ERROR_) "Found multiple occurrences of option -$fnd"
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set retval 0
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