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#!/usr/bin/env tclsh
# Generate UTF-8 case mapping tables
#
# (c) 2010 Steve Bennett <steveb@workware.net.au>
#
# See LICENCE for licence details.
#/
# Parse the unicode data from: http://unicode.org/Public/UNIDATA/UnicodeData.txt
# to generate case mapping tables
set map(lower) {}
set map(upper) {}
set map(title) {}
set f [open [lindex $argv 0]]
while {[gets $f buf] >= 0} {
set title ""
set lower ""
set upper ""
foreach {code name class x x x x x x x x x upper lower title} [split $buf ";"] break
set codex [string tolower 0x$code]
if {$codex <= 0x7f} {
continue
}
if {$codex > 0xffff} {
break
}
if {![string match L* $class]} {
continue
}
if {$upper ne ""} {
lappend map(upper) $codex [string tolower 0x$upper]
}
if {$lower ne ""} {
lappend map(lower) $codex [string tolower 0x$lower]
}
if {$title ne "" && $title ne $upper} {
if {$title eq $code} {
set title 0
}
lappend map(title) $codex [string tolower 0x$title]
}
}
close $f
foreach type {upper lower title} {
puts "static const struct casemap unicode_case_mapping_$type\[\] = \{"
foreach {code alt} $map($type) {
puts "\t{ $code, $alt },"
}
puts "\};\n"
}
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