mollusk 0e4acfb8f2 fix incorrect folder name for julia-0.6.x
Former-commit-id: ef2c7401e0876f22d2f7762d182cfbcd5a7d9c70
2018-06-11 03:28:36 -07:00

108 lines
3.0 KiB
Julia

# This file is a part of Julia. License is MIT: https://julialang.org/license
# Styles
const text_formats = Dict(
:black => ("\e[30m", "\e[39m"),
:red => ("\e[31m", "\e[39m"),
:green => ("\e[32m", "\e[39m"),
:yellow => ("\e[33m", "\e[39m"),
:blue => ("\e[34m", "\e[39m"),
:magenta => ("\e[35m", "\e[39m"),
:cyan => ("\e[36m", "\e[39m"),
:white => ("\e[37m", "\e[39m"),
:reset => ("\e[0m", "\e[0m"),
:bold => ("\e[1m", "\e[22m"),
:underline => ("\e[4m", "\e[24m"),
:blink => ("\e[5m", "\e[25m"),
:negative => ("\e[7m", "\e[27m"))
function with_output_format(f::Function, formats::Vector{Symbol}, io::IO, args...)
Base.have_color && for format in formats
haskey(text_formats, format) &&
print(io, text_formats[format][1])
end
try f(io, args...)
finally
Base.have_color && for format in formats
haskey(text_formats, format) &&
print(io, text_formats[format][2])
end
end
end
with_output_format(f::Function, format::Symbol, args...) =
with_output_format(f, [format], args...)
with_output_format(format, f::Function, args...) =
with_output_format(f, format, args...)
function print_with_format(format, io::IO, x)
with_output_format(format, io) do io
print(io, x)
end
end
function println_with_format(format, io::IO, x)
print_with_format(format, io, x)
println(io)
end
# Wrapping
function ansi_length(s)
replace(s, r"\e\[[0-9]+m", "") |> length
end
words(s) = split(s, " ")
lines(s) = split(s, "\n")
# This could really be more efficient
function wrapped_lines(s::AbstractString; width = 80, i = 0)
if ismatch(r"\n", s)
return vcat(map(s->wrapped_lines(s, width = width, i = i), split(s, "\n"))...)
end
ws = words(s)
lines = AbstractString[ws[1]]
i += ws[1] |> ansi_length
for word in ws[2:end]
word_length = ansi_length(word)
if i + word_length + 1 > width
i = word_length
push!(lines, word)
else
i += word_length + 1
lines[end] *= " " * word
end
end
return lines
end
wrapped_lines(f::Function, args...; width = 80, i = 0) =
wrapped_lines(sprint(f, args...), width = width, i = 0)
function print_wrapped(io::IO, s...; width = 80, pre = "", i = 0)
lines = wrapped_lines(s..., width = width, i = i)
println(io, lines[1])
for line in lines[2:end]
println(io, pre, line)
end
length(lines), length(pre) + ansi_length(lines[end])
end
print_wrapped(f::Function, io::IO, args...; kws...) = print_wrapped(io, f, args...; kws...)
function print_centred(io::IO, s...; columns = 80, width = columns)
lines = wrapped_lines(s..., width = width)
for line in lines
print(io, " "^(div(columns-ansi_length(line), 2)))
println(io, line)
end
length(lines), length(pre) + length(lines[end])
end
function centred(s, columns)
pad = div(columns - ansi_length(s), 2)
" "^pad * s
end