Files

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4.4 KiB
Lua

-- handles cli argument parsing and usage printing
local process = require("@lune/process")
local stdio = require("@lune/stdio")
local fs = require("@lune/fs")
local types = require("./types")
export type CLI = {
parseArgs: () -> types.opts,
printUsage: () -> (),
checkOutputFile: (outputFile: string?) -> ()
}
local cli = {} :: CLI
--[[
Parses command line arguments into an options table.
### Example usage
```lua
local cli = require("./cli")
local opts = cli.parseArgs()
```
@return An options table containing parsed command line arguments of type `types.opts`.
]]--
function cli.parseArgs(): types.opts
local args: {string} = process.args
local opts: types.opts = {
outputFile = nil,
directoryMode = false,
directoryPath = nil,
forceBinaryRead = false,
printInstanceNames = false,
zlibDecompressFiles = false,
zlibDecompressFilesRecursive = false,
filesToProcess = {}
}
if #args < 1 then
cli.printUsage()
process.exit(1)
end
local i = 1
while i <= #args do
local arg = args[i]
if arg == "--o" or arg == "--output" then
if i + 1 > #args then
stdio.write(stdio.color("red"))
stdio.write("Error: --o or --output flag requires an output filename.\n")
stdio.write(stdio.color("reset"))
process.exit(1)
end
opts.outputFile = args[i + 1]
i = i + 2
elseif arg == "--directory" or arg == "--d" then
if i + 1 > #args then
stdio.write(stdio.color("red"))
stdio.write("Error: --directory (or --d) flag requires a directory path.\n")
stdio.write(stdio.color("reset"))
process.exit(1)
end
opts.directoryMode = true
opts.directoryPath = args[i + 1]
i = i + 2
elseif arg == "--force-binary-read" then
opts.forceBinaryRead = true
i = i + 1
elseif arg == "--print-instance-names" then
opts.printInstanceNames = true
i = i + 1
elseif arg == "--zlib-decompress" then
opts.zlibDecompressFiles = true
i = i + 1
elseif arg == "--zlib-decompress-recursive" then
opts.zlibDecompressFilesRecursive = true
i = i + 1
else
if not opts.directoryMode then
table.insert(opts.filesToProcess, arg)
end
i = i + 1
end
end
return opts
end
--[[
Prints usage instructions for the command line tool.
### Example usage
```lua
local cli = require("./cli")
cli.printUsage()
```
@return none
]]--
function cli.printUsage()
stdio.write(stdio.color("red"))
stdio.write("Error: Please provide file path(s) or use --directory flag.\n")
stdio.write("Usage: lune run detector file1.rbxm file2.rbxm file3.rbxmx\n")
stdio.write(" lune run detector --directory path/to/folder\n")
stdio.write(" lune run detector --d path/to/folder\n")
stdio.write(" lune run detector --o output.txt file1.rbxm file2.rbxm\n")
stdio.write(" lune run detector --output output.txt file1.rbxm file2.rbxm\n")
stdio.write(" lune run detector --directory path/to/folder --o output.txt\n")
stdio.write(" lune run detector --force-binary-read file1 file2.bin file3.robloxmodelfile\n")
stdio.write(" lune run detector --print-instance-names file1.rbxm\n")
stdio.write(" lune run detector --zlib-decompress file1.rbxm\n")
stdio.write(" lune run detector --zlib-decompress-recursive file1.rbxm\n")
stdio.write(stdio.color("reset"))
end
--[[
Checks if the specified output file already exists to prevent overwriting.
If the file exists, prints an error message and exits the program.
### Example usage
```lua
local cli = require("./cli")
cli.checkOutputFile("output.txt")
```
@param outputFile The path to the output file to check.
@return none
]]--
function cli.checkOutputFile(outputFile: string?)
if outputFile and fs.isFile(outputFile) then
stdio.write(stdio.color("red"))
stdio.write(`Error: Output file {outputFile} already exists. Will not overwrite.\n`)
stdio.write(stdio.color("reset"))
process.exit(1)
end
end
return cli