#review - We have file possibly encoded directly in another codepage such as 437 - or utf8,utf16 etc, but then still needing post conversion to e.g cp437?
proc readfile {fname} {
proc readfile {fname {encoding cp437}} {
#todo
#1- look for BOM - read according to format given by BOM
#2- assume utf-8
#3- if errors - assume cp437?
set data [fcat $fname]
if {[file extension $fname] eq ".ans"} {
set ansidata [encoding convertfrom cp437 $data]
} else {
set ansidata $data
}
set ansidata [fcat -encoding $encoding $fname]
set obj [punk::ansi::class::class_ansi new $ansidata]
return $obj
}
proc ansicat {fname args} {
set encnames [encoding names]
set encoding ""
set dimensions ""
foreach a $args {
if {$a in $encnames} {
set encoding $a
} else {
if {[regexp {[0-9]+(?:x|X)[0-9]+} $a]} {
set dimensions $a
}
}
}
if {$encoding eq ""} {
set encoding cp437
}
if {$dimensions eq ""} {
set dimensions 80x26
}
set ansidata [fcat -encoding $encoding $fname]
set obj [punk::ansi::class::class_ansi new $ansidata]
$obj render $dimensions
}
#utf-8/ascii encoded cp437
proc ansicat2 {fname {encoding utf-8}} {
set data [fcat -encoding $encoding $fname]
set ansidata [encoding convertfrom cp437 $data]
set obj [punk::ansi::class::class_ansi new $ansidata]
$obj render
}
proc is_utf8_char {char} {
regexp {(?x) # Expanded regexp syntax, so I can put in comments :-)
[\x00-\x7F] | # Single-byte chars (ASCII range)
@ -931,8 +964,47 @@ namespace eval punk::ansi {
#[para] DECRC
return \x1b8
}
# -- --- --- --- ---
#DECAWM - automatic line wrapping
proc enable_line_wrap {} {
#*** !doctools
#[call [fun enable_line_wrap]]
#[para] enable automatic line wrapping when characters entered beyond rightmost column
#[para] This will also allow forward movements to move to subsequent lines
#[para] This is DECAWM - and is the same sequence output by 'tput smam'
return \x1b\[?7h
}
proc disable_line_wrap {} {
#*** !doctools
#[call [fun disable_line_wrap]]
#[para] disable automatic line wrapping
#[para] reset DECAWM - same sequence output by 'tput rmam'
