Class: Genie::ReplaceLinesInFile

Inherits:
RubyLLM::Tool
  • Object
show all
Includes:
SandboxedFileTool
Defined in:
lib/tools/replace_lines_in_file.rb

Instance Method Summary collapse

Methods included from SandboxedFileTool

#enforce_sandbox!, #initialize, #within_sandbox?

Instance Method Details

#execute(filepath:, start_line:, end_line:, content:) ⇒ Object



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# File 'lib/tools/replace_lines_in_file.rb', line 13

def execute(filepath:, start_line:, end_line:, content:)
  start_line = start_line.to_i
  end_line = end_line.to_i

  # Expand to absolute path
  filepath = File.expand_path(filepath)
  Genie.output "Replacing lines in file: #{filepath}", color: :blue

  enforce_sandbox!(filepath)

  # Check file exists
  unless File.exist?(filepath)
    raise "File not found. Cannot replace lines in a non-existent file."
  end

  # Read lines
  lines = File.readlines(filepath)
  total = lines.size

  # Validate indices
  if !start_line.is_a?(Integer) || !end_line.is_a?(Integer) || start_line < 0 || end_line < start_line || end_line > total
    raise "Invalid line numbers: start=#{start_line}, end=#{end_line}, file has #{total} lines."
  end

  # Split head and tail
  head = lines[0...start_line]
  tail = lines[(end_line + 1)..-1] || []

  # Prepare new content lines
  new_lines = content.to_s.each_line.to_a

  # Combine
  updated = head + new_lines + tail

  # Write back
  File.open(filepath, "w") do |f|
    f.write(updated.join)
  end

  { success: true }
rescue => e
  Genie.output "Error: #{e.message}", color: :red
  { error: e.message }
end