asciibene 8 months ago
parent 0c3f3f4798
commit d18cc57a31
  1. BIN
      nocurses.so
  2. 135
      vite.lua

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--Vi Inspired Textual Editor === VITE
-- Version alpha 0.02
filename="./dummy.txt"
VER="v0.02"
nc=require("nocurses")
function at(s,p)
return string.sub(s,p,p)
end
----------------------------end small funcs
function start()
nc.setunderline(true)
print("VITE === Vi Inspired Textual Editor === "..VER)
nc.setunderline(false)
currline=-1
currfile=-1
lines_tbl={}
cmd()
--after closing
if currfile ~= -1 then
print("closing vite...bye")
currfile:close()
end
end
-- list of Commands
-- ----------------
-- * = newfile
-- > = appendtext
-- : = commands
--
function cmd()
while inp~=":q" do
-- main loop
if currline== -1 then
print("No file opened")
elseif currline~=-1 then
print(currline..":")
end
nc.setfontcolor("YELLOW")
inp = io.input():read("*l")
nc.setfontcolor("WHITE")
-- all commands start with a symbol
if at(inp,1)=="*" and string.len(inp)<=1 then
print("You must enter a valid filename...")
elseif at(inp,1)=="*" and string.len(inp)>1 then
newfn=string.sub(inp,2)
new_file(newfn)
print("New File:"..newfn.."\n")
currline=1
elseif at(inp,1) == ">" and string.len(inp)==1 then
print("line [#"..currline.."]:")
-- if inp has > symbol, then its a literal line to write to file
elseif at(inp,1) == ">" and string.len(inp)>1 then
table.insert(lines_tbl,currline,string.sub(inp,2))
currline=currline+1
elseif at(inp,1) == ":" and at(inp,2)=="l" and string.len(inp)>2 then
-- TODO MAKE LOAD FUNC TODO
elseif at(inp,1) == ":" and at(inp,2)=="w" then
write_file()
elseif at(inp,1) == "=" and string.len(inp)==1 then
display_text()
elseif string.match(inp,"[%d*][%>][%g*]") and string.len(inp)>2 then
add_line(lpos,str)
elseif at(inp,1)=="x" and at(inp,2)=="!" then
break
else
nc.setfontcolor("RED")
print("Unknown Command!")
nc.setfontcolor("WHITE")
-- end of command def ==========
end
end
end
function add_line(lpos,str)
local str,lpos
if currfile~=-1 then
table.insert(lines_tbl,lpos,str)
else
print("No file Open!")
end
end
function write_file() -- flush data to the file":w"
if currfile~=-1 then
currfile:write(table.concat(lines_tbl,"\n").."\n")
print("Flushed buffer unto "..newfn)
-- TODO Show filesize
else
print("No file to write to !")
end
end
function new_file(fn) --also load
if currfile==-1 then
currfile = io.open(fn,"w+")
elseif currfile~=-1 then
currfile:close()
-- XXX Make it ask for confirm
-- XXX make it display whats going on
currfile = io.open(fn,"w+")
end
end
function display_file()
currfile:seek("set")
local lnum = 1
for line in currfile:lines() do
nc.gotoxy(1,lnum)
print(lnum..":"..line)
lnum=lnum+1
end
print("=================================\n\n")
end
function display_text() -- prints lines_tbl
currfile:seek("set")
local line
nc.clrscr()
nc.setfontcolor("CYAN")
for k,ln in pairs(lines_tbl) do
nc.gotoxy(1,k)
print(k..":"..ln)
end
print("=================================\n\n")
nc.setfontcolor("WHITE")
end
start()
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