Bruce/lua-differ
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixed some questionable newline printing behavior and added support for

Browse Source 
passing in arbitrary tables instead of strings.
This commit is contained in:
Bruce Hill 2017-10-27 14:54:47 -07:00
parent 0da2b29e45
commit dc84e1e107
1 changed files with 12 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
diff.lua
View File

@ -63,7 +63,7 @@ local function print_diff(d, options)
end
end
if not (options and options.context == 0) then
io.write((old:gsub("[^\n]*\n?", " %1")))
io.write((old:gsub("([^\n]*)\n?", " %1\n")))
end
else
-- Changed
@ -72,18 +72,17 @@ local function print_diff(d, options)
print(colors.underscore..colors.bright..colors.red..
("Old line %d-%d:"):format(chunk.old_line, chunk.old_line_end)..colors.reset)
end
io.write(colors.red..(chunk.old:gsub("[^\n]*\n?", "- %1"))..colors.reset)
io.write(colors.red..(chunk.old:gsub("([^\n]*)\n?", "- %1\n"))..colors.reset)
end
if #chunk.new > 0 then
if line_numbers then
print(colors.underscore..colors.bright..colors.green..
("New line %d-%d:"):format(chunk.new_line, chunk.new_line_end)..colors.reset)
end
io.write(colors.green..(chunk.new:gsub("[^\n]*\n?", "+ %1"))..colors.reset)
io.write(colors.green..(chunk.new:gsub("([^\n]*)\n?", "+ %1\n"))..colors.reset)
end
end
end
io.write('\n')
end
local diff_mt = {__index={print=print_diff}}
@ -95,9 +94,15 @@ local function diff(old, new)
local insert, concat = table.insert, table.concat
-- Split into lines
local A, B = {}, {}
for c in old:gmatch("[^\n]*\n?") do insert(A, c) end
for c in new:gmatch("[^\n]*\n?") do insert(B, c) end
local A, B = old, new
if type(A) ~= 'table' then
A = {}
for c in old:gmatch("[^\n]*\n?") do insert(A, c) end
end
if type(B) ~= 'table' then
B = {}
for c in new:gmatch("[^\n]*\n?") do insert(B, c) end
end
-- Find the longest common subsequence between A[a_min..a_max] and B[b_min..b_max] (inclusive),
-- and return (the starting position in a), (the starting position in b), (the length)