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# Copyright (C) 1999-2017
# Smithsonian Astrophysical Observatory, Cambridge, MA, USA
# For conditions of distribution and use, see copyright notice in "copyright"
package provide DS9 1.0
proc TSVRead {t fn} {
upvar #0 $t T
global $t
global debug
if {$debug(tcl,cat) || $debug(tcl,sia)} {
puts stderr "TSVRead"
}
if {$fn == {}} {
return
}
catch {
set fp [open $fn r]
# init db
set T(Nrows) 0
set T(Ncols) 0
set T(Header) {}
set T(HLines) 0
# ok, get first non comment line
while (true) {
if {[gets $fp line] == -1} {
return
}
# skip any comments
if {[string range $line 0 0] != "#"} {
break;
}
}
# reduce number of spaces
regsub -all { +} $line { } line
# strip any quotes
regsub -all {\"} $line {} line
# determine separator
if {[llength [split $line "\t"]] > 1} {
set ss "\t"
} elseif {[llength [split $line ","]] > 1} {
set ss ","
} elseif {[llength [split $line ":"]] > 1} {
set ss ":"
} else {
set ss " "
}
# determine header
set first {}
set foo [split $line $ss]
if {([string is integer [lindex $foo 0]] || [string is double [lindex $foo 0]]) && ([string is integer [lindex $foo 1]] || [string is double [lindex $foo 1]])} {
# determine num cols
set cnt [llength $foo]
# we need to build an header
set first $line
set line "X${ss}Y"
for {set ii 2} {$ii<$cnt} {incr ii} {
append line "${ss}column[expr $ii+3]"
}
}
# process header
# cols
incr ${t}(HLines)
set n $T(HLines)
set T(H_$n) $line
set T(Header) [split $T(H_$n) $ss]
# dashes
set T(Dashes) [regsub -all {[A-Za-z0-9]} $T(H_$n) {-}]
set T(Ndshs) [llength $T(Dashes)]
starbase_colmap $t
# process table
if {$first == {}} {
gets $fp line
} else {
set line $first
}
while {![eof $fp]} {
# skip any comments
if {[string range $line 0 0] == "#"} {
set line {}
}
# reduce number of spaces
regsub -all { +} $line { } line
set line [string trim $line]
# do we have something?
if {$line != {}} {
# ok, save it
incr ${t}(Nrows)
set r $T(Nrows)
set NCols [starbase_ncols $t]
set c 1
foreach val [split $line $ss] {
set T($r,$c) $val
incr c
}
for {} {$c <= $NCols} {incr c} {
set T($r,$c) {}
}
}
gets $fp line
}
close $fp
}
}
proc TSVWrite {t fn} {
upvar #0 $t T
global $t
global debug
if {$debug(tcl,cat) || $debug(tcl,sia)} {
puts stderr "TSVWrite"
}
if {$fn == {}} {
return
}
set fp [open $fn w]
set nr $T(Nrows)
set nc $T(Ncols)
# header
for {set cc 1} {$cc < $nc} {incr cc} {
puts -nonewline $fp "[lindex $T(Header) [expr $cc-1]]\t"
}
puts $fp "[lindex $T(Header) [expr $nc-1]]"
# data
for {set rr 1} {$rr <= $nr} {incr rr} {
for {set cc 1} {$cc < $nc} {incr cc} {
puts -nonewline $fp "$T($rr,$cc)\t"
}
puts $fp "$T($rr,$nc)"
}
close $fp
}
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