Class: Rubino::Tools::EditTool

Inherits:
Base
  • Object
show all
Defined in:
lib/rubino/tools/edit_tool.rb

Overview

Tool for performing exact string replacements in files. Replaces a specific old string with a new string - more precise than full file writes.

Instance Attribute Summary

Attributes inherited from Base

#cancel_token, #read_tracker, #stream_chunk

Instance Method Summary collapse

Methods inherited from Base

#cancellation_requested?, #config_key, #emit_chunk, #risky?, #to_tool_definition, workspace_root, workspace_roots

Instance Method Details

#call(arguments) ⇒ Object 



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# File 'lib/rubino/tools/edit_tool.rb', line 48

def call(arguments)
  file_path = arguments["file_path"] || arguments[:file_path]
  old_string = arguments["old_string"] || arguments[:old_string]
  new_string = arguments["new_string"] || arguments[:new_string]
  replace_all = arguments["replace_all"] || arguments[:replace_all] || false

  expanded = File.expand_path(file_path)
  return workspace_violation_message(file_path) unless within_workspace?(expanded)

  return "Error: File not found: #{file_path}" unless File.exist?(expanded)

  if (gate = read_gate_error(expanded, file_path, verb: "edit"))
    return gate
  end

  content = File.read(expanded)

  unless content.include?(old_string)
    return "Error: old_string not found in file content. " \
           "Make sure the text matches exactly including whitespace."
  end

  # Count occurrences
  count = content.scan(old_string).size
  if count > 1 && !replace_all
    return "Error: Found #{count} matches for old_string. " \
           "Provide more surrounding context to make it unique, " \
           "or set replace_all: true to replace all occurrences."
  end

  # Perform replacement — use block form so new_string is treated as a
  # literal string, not a pattern (avoids \0, \1, \& interpolation bugs).
  new_content = if replace_all
                  content.gsub(old_string) { new_string }
                else
                  content.sub(old_string) { new_string }
                end

  File.write(expanded, new_content)

  replaced_count = replace_all ? count : 1
  added   = new_string.to_s.lines.size
  removed = old_string.to_s.lines.size
  { output: "Edit applied: #{replaced_count} replacement(s) in #{file_path}",
    metrics: "#{replaced_count} replacement#{"s" if replaced_count != 1} · " \
             "+#{added * replaced_count} −#{removed * replaced_count}",
    body: build_diff_preview(old_string, new_string, replaced_count),
    body_kind: :diff }
end

#description ⇒ Object 



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# File 'lib/rubino/tools/edit_tool.rb', line 12

def description
  "Perform exact string replacement in a file. " \
    "Specify the old text to find and the new text to replace it with. " \
    "The old text must match exactly (including whitespace/indentation). " \
    "Use replace_all to replace all occurrences."
end

#input_schema ⇒ Object 



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# File 'lib/rubino/tools/edit_tool.rb', line 19

def input_schema
  {
    type: "object",
    properties: {
      file_path: {
        type: "string",
        description: "The path to the file to edit"
      },
      old_string: {
        type: "string",
        description: "The exact text to find and replace"
      },
      new_string: {
        type: "string",
        description: "The text to replace it with"
      },
      replace_all: {
        type: "boolean",
        description: "Replace all occurrences (default: false, replaces first only)"
      }
    },
    required: %w[file_path old_string new_string]
  }
end

#name ⇒ Object 



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# File 'lib/rubino/tools/edit_tool.rb', line 8

def name
  "edit"
end

#risk_level ⇒ Object 



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# File 'lib/rubino/tools/edit_tool.rb', line 44

def risk_level
  :medium
end