class Xlsxrb::WorkbookBuilder

DSL context for building an in-memory {Elements::Workbook} in {Xlsxrb.build}.

@example Build an in-memory workbook with multiple sheets

workbook = Xlsxrb.build do |builder|
  builder.sheet("Sales") do |sheet|
    sheet.row(["Product", "Revenue"])
    sheet.row(["Widget", 1000])
  end
  builder.core_property(:creator, "Reporting System")
end

@api public

Public Class Methods

new (strict_excel_mode: true)

(?strict_excel_mode: bool) → void

Source

# File lib/xlsxrb/workbook_builder.rb, line 23
def initialize(strict_excel_mode: true)
  @strict_excel_mode = strict_excel_mode
  @sheets = []
  @sheet_builders = [] # Keep track of sheet builders for style processing
  @defined_names = []
  @core_properties = {}
  @app_properties = {}
  @custom_properties = []
  @workbook_protection = nil
  @workbook_properties = { update_links: "never" }
end

@param strict_excel_mode [Boolean] Whether to enforce Microsoft Excel specifications.

Public Instance Methods

[] (name = nil, **opts)

(?String? name, **untyped opts) ?{ (WorksheetBuilder) → void } → untyped

Alias for: sheet

app_property (name, value)

(Symbol name, String | Integer | Time value) → void

Source

# File lib/xlsxrb/workbook_builder.rb, line 151
def app_property(name, value)
  @app_properties[name] = value
end

Sets an extended application metadata property.

@param name [Symbol] Application property name (:company, :manager, :app_version, etc.). @param value [String, Integer, Time] Property value. @return [void] @api public

build ()

() → Elements::Workbook

Source

# File lib/xlsxrb/workbook_builder.rb, line 187
def build
  raise ArgumentError, "Workbook must contain at least one sheet (Excel limitation)" if @strict_excel_mode && @sheets.empty?

  # Process styles from all sheets and collect style definitions
  processed_sheets, styles_definition = process_styles(@sheets)

  # Store workbook-level metadata in unmapped_data
  wb_meta = {}
  wb_meta[:defined_names] = resolve_defined_names(@defined_names, processed_sheets) unless @defined_names.empty?
  wb_meta[:core_properties] = @core_properties unless @core_properties.empty?
  wb_meta[:app_properties] = @app_properties unless @app_properties.empty?
  wb_meta[:custom_properties] = @custom_properties unless @custom_properties.empty?
  wb_meta[:workbook_protection] = @workbook_protection if @workbook_protection
  wb_meta[:workbook_properties] = @workbook_properties unless @workbook_properties.empty?

  Elements::Workbook.new(
    sheets: processed_sheets,
    styles: styles_definition,
    unmapped_data: wb_meta.empty? ? {} : { facade: wb_meta }
  )
end

Builds and returns the compiled {Elements::Workbook}.

@return [Elements::Workbook] @raise [ArgumentError] If workbook contains zero sheets in strict mode. @api public

core_property (name, value)

(Symbol name, String | Integer | Time value) → void

Source

# File lib/xlsxrb/workbook_builder.rb, line 140
def core_property(name, value)
  @core_properties[name] = value
end

Sets a Dublin Core document metadata property.

@param name [Symbol] Core property name (:creator, :title, :subject, :description, etc.). @param value [String, Integer, Time] Property value. @return [void] @api public

custom_property (name, value, type: :string)

(String name, String | Integer | Float | bool | Time value, ?type: ::Symbol) → void

Source

# File lib/xlsxrb/workbook_builder.rb, line 177
def custom_property(name, value, type: :string)
  @custom_properties << { name: name, value: value, type: type }
end

Adds a custom document property.

@param name [String] Property name. @param value [String, Integer, Float, Boolean, Time] Property value. @param type [Symbol] Value type (:string, :number, :bool, :date). @return [void] @api public

defined_name (name, value, sheet: nil, hidden: false)

(String name, String value, ?sheet: String?, ?hidden: bool) → void

Source

# File lib/xlsxrb/workbook_builder.rb, line 85
def defined_name(name, value, sheet: nil, hidden: false)
  entry = { name: name, value: value, hidden: hidden }
  entry[:local_sheet_name] = sheet if sheet
  @defined_names << entry
end

Adds a defined name (named range or formula constant) to the workbook.

@param name [String] Defined name (e.g. “TaxRate”). @param value [String] Formula expression or range reference (e.g. “Sheet1!$B$2”). @param sheet [String, nil] Optional sheet name for sheet-scoped defined names. @param hidden [Boolean] Whether the defined name is hidden from Excel’s UI. @return [void] @api public

print_area (range, sheet: nil)

(String range, ?sheet: String?) → void

Source

# File lib/xlsxrb/workbook_builder.rb, line 98
def print_area(range, sheet: nil)
  sheet_name = sheet || @sheets.last&.name || "Sheet1"
  value = "'#{sheet_name}'!#{absolute_range(range)}"
  @defined_names.reject! { |dn| dn[:name] == "_xlnm.Print_Area" && dn[:local_sheet_name] == sheet_name }
  defined_name("_xlnm.Print_Area", value, sheet: sheet_name)
end

Sets the print area for a sheet.

@param range [String] Cell range (e.g. “A1:G50”). @param sheet [String, nil] Target sheet name (defaults to latest or “Sheet1”). @return [void] @api public

print_titles (rows: nil, cols: nil, sheet: nil)

(?rows: String?, ?cols: String?, ?sheet: String?) → void

Source

# File lib/xlsxrb/workbook_builder.rb, line 113
def print_titles(rows: nil, cols: nil, sheet: nil)
  sheet_name = sheet || @sheets.last&.name || "Sheet1"
  parts = []
  parts << "'#{sheet_name}'!$#{cols.sub(":", ":$")}" if cols
  parts << "'#{sheet_name}'!$#{rows.sub(":", ":$")}" if rows
  value = parts.join(",")
  @defined_names.reject! { |dn| dn[:name] == "_xlnm.Print_Titles" && dn[:local_sheet_name] == sheet_name }
  defined_name("_xlnm.Print_Titles", value, sheet: sheet_name)
end

Sets repeating print titles (rows and/or columns) for pagination.

@param rows [String, nil] Repeating row range (e.g. “1:2”). @param cols [String, nil] Repeating column range (e.g. “A:B”). @param sheet [String, nil] Target sheet name. @return [void] @api public

properties (core: nil, app: nil, custom: nil)

(?core: Hash[Symbol, String | Integer | Time]?, ?app: Hash[Symbol, String | Integer | Time]?, ?custom: Hash[String | Symbol, untyped]?) → void

Source

# File lib/xlsxrb/workbook_builder.rb, line 163
def properties(core: nil, app: nil, custom: nil)
  core&.each { |k, v| core_property(k, v) }
  app&.each { |k, v| app_property(k, v) }
  custom&.each { |k, v| custom_property(k.to_s, v) }
end

Sets multiple core, app, and/or custom properties simultaneously.

@param core [Hash{Symbol => Object}, nil] Core properties map. @param app [Hash{Symbol => Object}, nil] App properties map. @param custom [Hash{String, Symbol => Object}, nil] Custom properties map. @return [void] @api public

protect_workbook (**opts)

(**String | Integer | bool | nil opts) → void

Source

# File lib/xlsxrb/workbook_builder.rb, line 129
def protect_workbook(**opts)
  @workbook_protection = opts
end

Sets workbook structure and window protection.

@param opts [Hash] Protection options (e.g. lock_structure: true, password: “secret”). @return [void] @api public

sheet (name = nil, **opts) { |sheet_builder| ... }

(?String? name, **untyped opts) ?{ (WorksheetBuilder) → void } → untyped

Source

# File lib/xlsxrb/workbook_builder.rb, line 60
def sheet(name = nil, **opts)
  name ||= "Sheet#{@sheets.size + 1}"
  raise ArgumentError, "Sheet name '#{name}' must be <= 31 characters (Excel limitation)" if @strict_excel_mode && name.length > 31
  raise ArgumentError, "Sheet name '#{name}' contains invalid characters (ECMA-376 OOXML specification)" if name.match?(%r{[\[\]*?/\\]})
  raise ArgumentError, "Sheet name '#{name}' is already used. Excel requires unique sheet names." if @strict_excel_mode && @sheets.map { |s| s.respond_to?(:name) ? s.name.downcase : s.to_s.downcase }.include?(name.downcase)

  sheet_builder = WorksheetBuilder.new(name, strict_excel_mode: @strict_excel_mode)
  opts.each { |k, v| sheet_builder.sheet_properties(k, v) }
  yield sheet_builder if block_given?
  @sheet_builders << sheet_builder
  @sheets << sheet_builder.build
end

Adds a new worksheet to the workbook.

@param name [String, nil] Sheet name (max 31 chars, no forbidden chars ‘[ ] * ? / `). @param opts [Hash] Sheet properties. @yield [sheet_builder] @yieldparam sheet_builder [Xlsxrb::WorksheetBuilder] @return [Elements::Worksheet] @raise [ArgumentError] If sheet name violates Excel limits in strict mode. @api public

Also aliased as: []

workbook_property (name, value)

(Symbol name, String | Integer | bool value) → (String | Integer | bool)

Source

# File lib/xlsxrb/workbook_builder.rb, line 46
def workbook_property(name, value)
  @workbook_properties[name] = value
end

Sets a workbook-level property.

@note **SECURITY WARNING:** If you set :update_links to anything other than ‘“never”`,

you may expose end-users to malicious external reference vulnerabilities (e.g., CSV/DDE Injection)
when they open the generated Excel file. Ensure you fully trust the exported data.

@param name [Symbol] Property name (e.g. :update_links). @param value [String, Integer, Boolean] Property value. @return [void] @api public