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Make terminfo easier to compile
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vchuravy committed Sep 21, 2023
1 parent 2c21ddd commit f9ef95e
Showing 1 changed file with 12 additions and 9 deletions.
21 changes: 12 additions & 9 deletions base/terminfo.jl
Original file line number Diff line number Diff line change
Expand Up @@ -95,8 +95,8 @@ function read(data::IO, ::Type{TermInfoRaw})
throw(ArgumentError("Terminfo did not contain a null byte after the flag section, expected to position the start of the numbers section on an even byte"))
end
# Numbers, Strings, Table
numbers = reinterpret(NumInt, read(data, numbers_count * sizeof(NumInt))) .|> ltoh
string_indices = reinterpret(UInt16, read(data, string_count * sizeof(UInt16))) .|> ltoh
numbers = map(ltoh, reinterpret(NumInt, read(data, numbers_count * sizeof(NumInt))))
string_indices = map(ltoh, reinterpret(UInt16, read(data, string_count * sizeof(UInt16))))
strings_table = read(data, table_bytes)
strings = map(string_indices) do idx
if idx (0xffff, 0xfffe)
Expand All @@ -107,7 +107,7 @@ function read(data::IO, ::Type{TermInfoRaw})
end
end
TermInfoRaw(term_names, flags, numbers, strings,
if !eof(data) extendedterminfo(data; NumInt) end)
if !eof(data) extendedterminfo(data, NumInt) end)
end

"""
Expand All @@ -119,7 +119,7 @@ This will accept any terminfo content that conforms with `term(5)`.
See also: `read(::IO, ::Type{TermInfoRaw})`
"""
function extendedterminfo(data::IO; NumInt::Union{Type{UInt16}, Type{UInt32}})
function extendedterminfo(data::IO, NumInt::Union{Type{UInt16}, Type{UInt32}})
# Extended info
if position(data) % 2 != 0
0x00 == read(data, UInt8) ||
Expand All @@ -138,12 +138,15 @@ function extendedterminfo(data::IO; NumInt::Union{Type{UInt16}, Type{UInt32}})
throw(ArgumentError("Terminfo did not contain a null byte after the extended flag section, expected to position the start of the numbers section on an even byte"))
end
numbers = map(n -> Int(ltoh(n)), reinterpret(NumInt, read(data, numbers_count * sizeof(NumInt))))
table_indices = reinterpret(UInt16, read(data, table_count * sizeof(UInt16))) .|> ltoh
table_indices = map(ltoh, reinterpret(UInt16, read(data, table_count * sizeof(UInt16))))
table_strings = [String(readuntil(data, 0x00)) for _ in 1:length(table_indices)]
info = Dict{Symbol, Union{Bool, Int, String}}()
strings = table_strings[1:string_count]
labels = Symbol.(table_strings[string_count+1:end])
Dict{Symbol, Union{Bool, Int, String}}(
labels .=> vcat(flags, numbers, strings))
labels = table_strings[string_count+1:end]
for (label, val) in zip(labels, vcat(flags, numbers, strings))
info[Symbol(label)] = val
end
return info
end

"""
Expand Down Expand Up @@ -178,7 +181,7 @@ function TermInfo(raw::TermInfoRaw)
Symbol[]
end
TermInfo(raw.names, length(raw.flags),
raw.numbers .!= typemax(eltype(raw.numbers)),
map(n-> n != typemax(typeof(n)), raw.numbers),
map(!isnothing, raw.strings),
extensions, capabilities)
end
Expand Down

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