RosettaCodeData/Task/Odd-word-problem/Lasso/odd-word-problem.lasso
2023-07-01 13:44:08 -04:00

54 lines
1.3 KiB
Text

define odd_word_processor(str::string) => {
local(
isodd = false,
pos = 1,
invpos = 1,
lastpos = 1
)
while(#str->get(#pos) != '.' && #pos <= #str->size) => {
if(not #str->isAlpha(#pos)) => {
not #isodd ? #isodd = true | #isodd = false
}
if(#isodd) => {
#lastpos = 1
#invpos = 1
while(#str->isAlpha(#pos+#lastpos) && #pos+#lastpos <= #str->size) => {
#lastpos++
}
'odd lastpos: '+#lastpos+'\r'
local(maxpos = #pos+#lastpos-1)
while(#invpos < (#lastpos+1)/2) => {
local(i,o,ipos,opos)
#ipos = #pos+#invpos
#opos = #pos+(#lastpos-#invpos)
#i = #str->get(#ipos)
#o = #str->get(#opos)
//'switching '+#i+' and '+#o+'\r'
//'insert '+#o+' at '+(#ipos)+'\r'
#str = string_insert(#str,-position=(#ipos),-text=#o)
//'remove redundant pos '+(#ipos+1)+'\r'
#str->remove(#ipos+1,1)
//'insert '+#i+' at '+(#opos)+'\r'
#str = string_insert(#str,-position=(#opos),-text=#i)
//'remove redundant pos '+(#opos+1)+'\r'
#str->remove(#opos+1,1)
#invpos++
}
#pos += #lastpos - 1
}
//#str->get(#pos) + #isodd + '\r'
#pos += 1
}
return #str
}
'orig:\rwhat,is,the;meaning,of:life.\r'
'new:\r'
odd_word_processor('what,is,the;meaning,of:life.')
'\rShould have:\rwhat,si,the;gninaem,of:efil.'