mirrors/CC-Tweaked
1
0
Fork 0
mirror of https://github.com/SquidDev-CC/CC-Tweaked synced 2024-06-29 00:23:23 +00:00
Code Issues Releases Wiki Activity

Modification of edit.lua to use blit in writeHighlighted

Browse Source 
Reduces amount of string operations and write calls inside writeHighlighted function by switching it to blit and using the 3rd argument in string.match.
This commit is contained in:
Wojbie 2017-06-16 23:13:53 +02:00
parent c611b20db8
commit efb351e1b0
1 changed files with 56 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
src/main/resources/assets/computercraft/lua/rom/programs/edit.lua
View File

@ -135,39 +135,65 @@ local tKeywords = {
["while"] = true,
}
local function tryWrite( sLine, regex, colour )
local match = string.match( sLine, regex )
if match then
if type(colour) == "number" then
term.setTextColour( colour )
else
term.setTextColour( colour(match) )
end
term.write( match )
term.setTextColour( textColour )
return string.sub( sLine, string.len(match) + 1 )
end
return nil
end
local tHex = {
[ colors.white ] = "0",
[ colors.orange ] = "1",
[ colors.magenta ] = "2",
[ colors.lightBlue ] = "3",
[ colors.yellow ] = "4",
[ colors.lime ] = "5",
[ colors.pink ] = "6",
[ colors.gray ] = "7",
[ colors.lightGray ] = "8",
[ colors.cyan ] = "9",
[ colors.purple ] = "a",
[ colors.blue ] = "b",
[ colors.brown ] = "c",
[ colors.green ] = "d",
[ colors.red ] = "e",
[ colors.black ] = "f",
}
local tPattern = {
[ 1 ] = "^(%-%-%[%[.-%]%])()",
[ 2 ] = "^(%-%-.*)()",
[ 3 ] = "^(\"\")()",
[ 4 ] = "^(\".-[^\\]\")()",
[ 5 ] = "^(\'\')()",
[ 6 ] = "^(\'.-[^\\]\')()",
[ 7 ] = "^(%[%[.-%]%])()",
[ 8 ] = "^([%w_]+)()",
[ 9 ] = "^([^%w_])()",
}
local tPatternColors = {
[ 1 ] = commentColour,
[ 2 ] = commentColour,
[ 3 ] = stringColour,
[ 4 ] = stringColour,
[ 5 ] = stringColour,
[ 6 ] = stringColour,
[ 7 ] = stringColour,
[ 8 ] = function( sMatch ) return tKeywords[ sMatch ] and keywordColour or textColour end,
[ 9 ] = textColour,
}
local function writeHighlighted( sLine )
while string.len(sLine) > 0 do
sLine =
tryWrite( sLine, "^%-%-%[%[.-%]%]", commentColour ) or
tryWrite( sLine, "^%-%-.*", commentColour ) or
tryWrite( sLine, "^\"\"", stringColour ) or
tryWrite( sLine, "^\".-[^\\]\"", stringColour ) or
tryWrite( sLine, "^\'\'", stringColour ) or
tryWrite( sLine, "^\'.-[^\\]\'", stringColour ) or
tryWrite( sLine, "^%[%[.-%]%]", stringColour ) or
tryWrite( sLine, "^[%w_]+", function( match )
if tKeywords[ match ] then
return keywordColour
end
return textColour
end ) or
tryWrite( sLine, "^[^%w_]", textColour )
local tColor = {}
local nPosition = 1
local sMatch,nNextPosition
local nColor
while nPosition <= #sLine do
local i = 0
repeat
i=i+1
sMatch,nNextPosition = string.match( sLine, tPattern[i] , nPosition)
until sMatch
nColor = tPatternColors[i]
tColor[#tColor+1] = string.rep( tHex[ type(nColor) == "number" and nColor or nColor(sMatch) ] , nNextPosition - nPosition)
nPosition = nNextPosition
end
term.blit( sLine, table.concat( tColor ), string.rep( tHex[bgColour], #sLine ) )
end
local tCompletions