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Abbreviations, simple: Difference between revisions
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{{out}}
<pre>RIGHT REPEAT *error* PUT MOVE RESTORE *error* *error* *error* POWERINPUT</pre>
=={{header|Nim}}==
<lang Nim>
import parseutils
import strutils
import tables
const Commands =
"add 1 alter 3 backup 2 bottom 1 Cappend 2 change 1 Schange Cinsert 2 Clast 3 " &
"compress 4 copy 2 count 3 Coverlay 3 cursor 3 delete 3 Cdelete 2 down 1 duplicate " &
"3 xEdit 1 expand 3 extract 3 find 1 Nfind 2 Nfindup 6 NfUP 3 Cfind 2 findUP 3 fUP 2 " &
"forward 2 get help 1 hexType 4 input 1 powerInput 3 join 1 split 2 spltJOIN load " &
"locate 1 Clocate 2 lowerCase 3 upperCase 3 Lprefix 2 macro merge 2 modify 3 move 2 " &
"msg next 1 overlay 1 parse preserve 4 purge 3 put putD query 1 quit read recover 3 " &
"refresh renum 3 repeat 3 replace 1 Creplace 2 reset 3 restore 4 rgtLEFT right 2 left " &
"2 save set shift 2 si sort sos stack 3 status 4 top transfer 3 type 1 up 1"
#---------------------------------------------------------------------------------------------------
proc abbrevationLengths(commands: string): Table[string, int] =
## Find the minimal abbreviation length for each word.
## A word that does not have minimum abbreviation length specified
## gets it's full lengths as the minimum.
var word = ""
for item in commands.splitWhitespace():
var n: int
if item.parseInt(n) == 0:
# Not a number.
if word.len != 0:
# No minimal length specified for the word.
result[word] = word.len
word = item
else:
# Got an integer.
if word.len == 0:
raise newException(ValueError, "Invalid position for number: " & $n)
result[word] = n
word = ""
#---------------------------------------------------------------------------------------------------
proc abbreviations(commandTable: Table[string, int]): Table[string, string] =
## For each command insert all possible abbreviations.
for command, minlength in commandTable.pairs:
for length in minLength..command.len:
let abbr = command[0..<length].toLower
result[abbr] = command.toUpper
#---------------------------------------------------------------------------------------------------
proc parse(words: seq[string]; abbrevTable: Table[string, string]): seq[string] =
## Parse a list of words and return the list of full words (or *error*).
for word in words:
result.add(abbrevTable.getOrDefault(word.toLower, "*error*"))
#---------------------------------------------------------------------------------------------------
let commandTable = Commands.abbrevationLengths()
let abbrevTable = commandTable.abbreviations()
while true:
try:
stdout.write "Input? "
let userWords = stdin.readline().strip().splitWhitespace()
let fullWords = userWords.parse(abbrevTable)
stdout.write("\nUser words: ")
for i, word in userWords:
stdout.write(word.alignLeft(fullWords[i].len) & ' ')
stdout.write("\nFull words: ")
for word in fullWords:
stdout.write(word & ' ')
stdout.write("\n\n")
except EOFError:
echo ""
break
</lang>
{{out}}
<pre>
User words: riG rePEAT copies put mo rest types fup. 6 poweRin
Full words: RIGHT REPEAT *error* PUT MOVE RESTORE *error* *error* *error* POWERINPUT
Input?
</pre>
=={{header|OCaml}}==
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