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printers.jl
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printers.jl
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function Base.show(io::IO, kb::KnowledgeBase)
println("Knowledge Base")
printCNFClause([x[2] for x in kb.clauses])
end
function Base.show(io::IO, sigma::Sigma)
println("Signature");print("\t")
print("C: $(printSet(sigma.C))");print("\n\t")
print("F: $(printSet(sigma.F))");print("\n\t")
print("R: $(printSet(sigma.R))");print("\n\t")
end
function printSet(s::Set)
r = "("
for i in s
r*="$i, "
end
if length(r) != 1 r = r[1:end-2] end
r*=")"
#print(r)
return r
end
function Base.show(io::IO, d::Dict)
s = "{"
for (k, v) in d
s *= "$k=>$v, "
end
s = s[1:end - 2]
s *= "}"
print(s)
end
function printUnifiers(d::Dict)
if length(d) == 0
return "{ϕ}"
end
s = "{"
for (k, v) in d
s *= printClause(k)
s *= "->"
s *= printClause(v)
s *= ", "
end
s = s[1:end - 2]
s *= "}"
return s
end
function printClause(t::Any, indent::String = "")
s = ""
if !(t.op in OPS)
if length(t.args) == 0
s *= "$(t.op)"
else
if t.negated
s *= "~"
end
curr = "$(t.op)("
for i = 1:length(t.args)
curr *= "$(t.args[i].op)"
if length(t.args[i].args) != 0
curr *= "("
for a = 1:length(t.args[i].args)
curr *= "$(t.args[i].args[a].op),"
end
curr = curr[1:end - 1]
curr *= "), "
else
curr *= ", "
end
end
curr = curr[1:end - 2]
curr *= ")"
s *= curr
end
else
if t.op == "~"
s *= "$(t.op)"
for i = 1:length(t.args)
s *= printClause(t.args[i], indent * "\t")
end
else
s *= printClause(t.args[1], indent * "\t")
s *= " $(t.op) "
for i = 2:length(t.args) - 1
s *= printClause(t.args[i], indent * "\t")
s *= " $(t.op) "
end
s *= printClause(t.args[end], indent * "\t")
end
end
return s
end
function printTree(t::Clause, indent::String)
if !(t.op in OPS)
print("$indent $(t.op)(")
for i=1:length(t.args)-1
print("$(t.args[i].op),")
end
println("$(t.args[end].op))")
else
println("$indent $(t.op)")
for i=1:length(t.args)
printcHelper(t.args[i], indent*"\t")
end
end
end
function printCNF(t::Any, indent::String="")
if typeof(t) == Quantifier
printCNF(t)
elseif !(t.op in OPS)
if length(t.args) == 0
print("$(t.op)")
else
if t.negated
print(notTok)
end
curr = "$(t.op)("
for i=1:length(t.args)
curr*="$(t.args[i].op)"
if length(t.args[i].args) != 0
curr*= "("
for a=1:length(t.args[i].args)
curr*="$(t.args[i].args[a].op),"
end
curr = curr[1:end-1]
curr*="), "
else
curr*=", "
end
end
curr=curr[1:end-2]
curr*=")"
print(curr)
end
else
if t.op == notTok
print("$(t.op)")
for i=1:length(t.args)
printCNF(t.args[i], indent*"\t")
end
else
printCNF(t.args[1], indent*"\t")
print(" $(t.op) ")
for i=2:length(t.args)-1
printCNF(t.args[i], indent*"\t")
print(" $(t.op) ")
end
printCNF(t.args[end], indent*"\t")
end
end
end
function printCNFClause(c::Array{Array{Clause,1},1})
if length(c) == 0
println("[]")
return
end
for arr in c
print("\t");printCNFClause(arr)
print("\n")
end
end
function printCNFClause(arr::Array)
if length(arr) == 0
println("[]")
return
end
for i in arr[1:end-1]
printCNF(i)
print(", ")
end
printCNF(arr[end])
end
function printCNF(q::Quantifier)
print("$(q.op).$(q.var)(")
printCNF(q.args)
print(")")
end
function printResolution(nums, theta, c_num, new_c, f = true)
n = 6
len = length(nums)
rem = n - len
spaces = repeat(" ", rem)
print("$nums");print("$(spaces) | ");print("$theta")
n = 25
len = length(theta)
rem = n - len
spaces = repeat(" ", rem)
print("$spaces[$c_num] ");printCNFClause(new_c);println()
if f
println("$(repeat("-", 45))")
end
end
function printEnd(s)
d = repeat("=", 76)
println(d)
println(s)
println(d)
end