### Home Classes Methods

### In Files

- lib/sequel/extensions/inflector.rb

### Methods

- ::clear
- ::irregular
- ::plural
- ::singular
- ::uncountable

### Files

- CHANGELOG
- COPYING
- README.rdoc
- advanced_associations.rdoc
- association_basics.rdoc
- cheat_sheet.rdoc
- dataset_basics.rdoc
- dataset_filtering.rdoc
- migration.rdoc
- model_hooks.rdoc
- opening_databases.rdoc
- prepared_statements.rdoc
- querying.rdoc
- reflection.rdoc
- 1.0.txt
- 1.1.txt
- 1.3.txt
- 1.4.0.txt
- 1.5.0.txt
- 2.0.0.txt
- 2.1.0.txt
- 2.10.0.txt
- 2.11.0.txt
- 2.12.0.txt
- 2.2.0.txt
- 2.3.0.txt
- 2.4.0.txt
- 2.5.0.txt
- 2.6.0.txt
- 2.7.0.txt
- 2.8.0.txt
- 2.9.0.txt
- 3.0.0.txt
- 3.1.0.txt
- 3.10.0.txt
- 3.11.0.txt
- 3.12.0.txt
- 3.2.0.txt
- 3.3.0.txt
- 3.4.0.txt
- 3.5.0.txt
- 3.6.0.txt
- 3.7.0.txt
- 3.8.0.txt
- 3.9.0.txt
- sharding.rdoc
- sql.rdoc
- virtual_rows.rdoc

### Class/Module Index

Quicksearch

- Sequel
- Sequel::ADO
- Sequel::ADO::Database
- Sequel::ADO::Dataset
- Sequel::ADO::MSSQL
- Sequel::ADO::MSSQL::DatabaseMethods
- Sequel::ADO::MSSQL::Dataset
- Sequel::AdapterNotFound
- Sequel::Amalgalite
- Sequel::Amalgalite::Database
- Sequel::Amalgalite::Dataset
- Sequel::Amalgalite::SequelTypeMap
- Sequel::BasicObject
- Sequel::BeforeHookFailed
- Sequel::ConnectionPool
- Sequel::ConnectionPool::ClassMethods
- Sequel::DB2
- Sequel::DB2::Database
- Sequel::DB2::Dataset
- Sequel::DBI
- Sequel::DBI::Database
- Sequel::DBI::Dataset
- Sequel::DataObjects
- Sequel::DataObjects::Database
- Sequel::DataObjects::Dataset
- Sequel::DataObjects::MySQL
- Sequel::DataObjects::MySQL::DatabaseMethods
- Sequel::DataObjects::MySQL::Dataset
- Sequel::DataObjects::Postgres
- Sequel::DataObjects::Postgres::AdapterMethods
- Sequel::DataObjects::Postgres::DatabaseMethods
- Sequel::DataObjects::Postgres::Dataset
- Sequel::DataObjects::SQLite
- Sequel::DataObjects::SQLite::DatabaseMethods
- Sequel::DataObjects::SQLite::Dataset
- Sequel::Database
- Sequel::DatabaseConnectionError
- Sequel::DatabaseDisconnectError
- Sequel::DatabaseError
- Sequel::Dataset
- Sequel::Dataset::ArgumentMapper
- Sequel::Dataset::Pagination
- Sequel::Dataset::PreparedStatementMethods
- Sequel::Dataset::QueryBlockCopy
- Sequel::Dataset::StoredProcedureMethods
- Sequel::Dataset::StoredProcedures
- Sequel::Dataset::UnnumberedArgumentMapper
- Sequel::Error
- Sequel::Error::AdapterNotFound
- Sequel::Error::InvalidOperation
- Sequel::Error::InvalidValue
- Sequel::Error::PoolTimeoutError
- Sequel::Error::Rollback
- Sequel::Firebird
- Sequel::Firebird::Database
- Sequel::Firebird::Dataset
- Sequel::Inflections
- Sequel::Informix
- Sequel::Informix::Database
- Sequel::Informix::Dataset
- Sequel::IntegerMigrator
- Sequel::InvalidOperation
- Sequel::InvalidValue
- Sequel::JDBC
- Sequel::JDBC::AS400
- Sequel::JDBC::AS400::DatabaseMethods
- Sequel::JDBC::AS400::Dataset
- Sequel::JDBC::Database
- Sequel::JDBC::Dataset
- Sequel::JDBC::Dataset::PreparedStatementMethods
- Sequel::JDBC::Dataset::StoredProcedureMethods
- Sequel::JDBC::H2
- Sequel::JDBC::H2::DatabaseMethods
- Sequel::JDBC::H2::Dataset
- Sequel::JDBC::JavaLang
- Sequel::JDBC::JavaSQL
- Sequel::JDBC::JavaxNaming
- Sequel::JDBC::MSSQL
- Sequel::JDBC::MSSQL::DatabaseMethods
- Sequel::JDBC::MSSQL::Dataset
- Sequel::JDBC::MySQL
- Sequel::JDBC::MySQL::DatabaseMethods
- Sequel::JDBC::MySQL::Dataset
- Sequel::JDBC::Oracle
- Sequel::JDBC::Oracle::DatabaseMethods
- Sequel::JDBC::Oracle::Dataset
- Sequel::JDBC::Postgres
- Sequel::JDBC::Postgres::AdapterMethods
- Sequel::JDBC::Postgres::DatabaseMethods
- Sequel::JDBC::Postgres::Dataset
- Sequel::JDBC::SQLite
- Sequel::JDBC::SQLite::DatabaseMethods
- Sequel::JDBC::SQLite::Dataset
- Sequel::LiteralString
- Sequel::LooserTypecasting
- Sequel::MSSQL
- Sequel::MSSQL::DatabaseMethods
- Sequel::MSSQL::DatasetMethods
- Sequel::Metaprogramming
- Sequel::Migration
- Sequel::MigrationDSL
- Sequel::Migrator
- Sequel::Migrator::Error
- Sequel::Model
- Sequel::Model::Associations
- Sequel::Model::Associations::AssociationDatasetMethods
- Sequel::Model::Associations::AssociationReflection
- Sequel::Model::Associations::ClassMethods
- Sequel::Model::Associations::DatasetMethods
- Sequel::Model::Associations::InstanceMethods
- Sequel::Model::Associations::ManyToManyAssociationReflection
- Sequel::Model::Associations::ManyToOneAssociationReflection
- Sequel::Model::Associations::OneToManyAssociationReflection
- Sequel::Model::Associations::OneToOneAssociationReflection
- Sequel::Model::ClassMethods
- Sequel::Model::DatasetMethods
- Sequel::Model::Errors
- Sequel::Model::InstanceMethods
- Sequel::MySQL
- Sequel::MySQL::Database
- Sequel::MySQL::DatabaseMethods
- Sequel::MySQL::Dataset
- Sequel::MySQL::Dataset::CallableStatementMethods
- Sequel::MySQL::Dataset::PreparedStatementMethods
- Sequel::MySQL::Dataset::StoredProcedureMethods
- Sequel::MySQL::DatasetMethods
- Sequel::NamedTimezones
- Sequel::NoExistingObject
- Sequel::NotImplemented
- Sequel::ODBC
- Sequel::ODBC::Database
- Sequel::ODBC::Dataset
- Sequel::ODBC::MSSQL
- Sequel::ODBC::MSSQL::DatabaseMethods
- Sequel::ODBC::MSSQL::Dataset
- Sequel::OpenBase
- Sequel::OpenBase::Database
- Sequel::OpenBase::Dataset
- Sequel::Oracle
- Sequel::Oracle::Database
- Sequel::Oracle::DatabaseMethods
- Sequel::Oracle::Dataset
- Sequel::Oracle::DatasetMethods
- Sequel::Plugins
- Sequel::Plugins::ActiveModel
- Sequel::Plugins::ActiveModel::InstanceMethods
- Sequel::Plugins::AssociationDependencies
- Sequel::Plugins::AssociationDependencies::ClassMethods
- Sequel::Plugins::AssociationDependencies::InstanceMethods
- Sequel::Plugins::AssociationPks
- Sequel::Plugins::AssociationPks::ClassMethods
- Sequel::Plugins::AssociationProxies
- Sequel::Plugins::AssociationProxies::AssociationProxy
- Sequel::Plugins::AssociationProxies::ClassMethods
- Sequel::Plugins::BooleanReaders
- Sequel::Plugins::BooleanReaders::ClassMethods
- Sequel::Plugins::Caching
- Sequel::Plugins::Caching::ClassMethods
- Sequel::Plugins::Caching::InstanceMethods
- Sequel::Plugins::ClassTableInheritance
- Sequel::Plugins::ClassTableInheritance::ClassMethods
- Sequel::Plugins::ClassTableInheritance::InstanceMethods
- Sequel::Plugins::Composition
- Sequel::Plugins::Composition::ClassMethods
- Sequel::Plugins::Composition::InstanceMethods
- Sequel::Plugins::ForceEncoding
- Sequel::Plugins::ForceEncoding::ClassMethods
- Sequel::Plugins::ForceEncoding::InstanceMethods
- Sequel::Plugins::HookClassMethods
- Sequel::Plugins::HookClassMethods::ClassMethods
- Sequel::Plugins::HookClassMethods::InstanceMethods
- Sequel::Plugins::IdentityMap
- Sequel::Plugins::IdentityMap::ClassMethods
- Sequel::Plugins::IdentityMap::InstanceMethods
- Sequel::Plugins::InstanceFilters
- Sequel::Plugins::InstanceFilters::Error
- Sequel::Plugins::InstanceFilters::InstanceMethods
- Sequel::Plugins::InstanceHooks
- Sequel::Plugins::InstanceHooks::InstanceMethods
- Sequel::Plugins::LazyAttributes
- Sequel::Plugins::LazyAttributes::ClassMethods
- Sequel::Plugins::LazyAttributes::InstanceMethods
- Sequel::Plugins::ManyThroughMany
- Sequel::Plugins::ManyThroughMany::ClassMethods
- Sequel::Plugins::ManyThroughMany::ManyThroughManyAssociationReflection
- Sequel::Plugins::NestedAttributes
- Sequel::Plugins::NestedAttributes::ClassMethods
- Sequel::Plugins::NestedAttributes::InstanceMethods
- Sequel::Plugins::OptimisticLocking
- Sequel::Plugins::OptimisticLocking::ClassMethods
- Sequel::Plugins::OptimisticLocking::InstanceMethods
- Sequel::Plugins::RcteTree
- Sequel::Plugins::Schema
- Sequel::Plugins::Schema::ClassMethods
- Sequel::Plugins::Serialization
- Sequel::Plugins::Serialization::ClassMethods
- Sequel::Plugins::Serialization::InstanceMethods
- Sequel::Plugins::Sharding
- Sequel::Plugins::Sharding::ClassMethods
- Sequel::Plugins::Sharding::DatasetMethods
- Sequel::Plugins::Sharding::InstanceMethods
- Sequel::Plugins::SingleTableInheritance
- Sequel::Plugins::SingleTableInheritance::ClassMethods
- Sequel::Plugins::SingleTableInheritance::InstanceMethods
- Sequel::Plugins::SkipCreateRefresh
- Sequel::Plugins::SkipCreateRefresh::InstanceMethods
- Sequel::Plugins::StringStripper
- Sequel::Plugins::StringStripper::InstanceMethods
- Sequel::Plugins::Subclasses
- Sequel::Plugins::Subclasses::ClassMethods
- Sequel::Plugins::TacticalEagerLoading
- Sequel::Plugins::TacticalEagerLoading::DatasetMethods
- Sequel::Plugins::TacticalEagerLoading::InstanceMethods
- Sequel::Plugins::Timestamps
- Sequel::Plugins::Timestamps::ClassMethods
- Sequel::Plugins::Timestamps::InstanceMethods
- Sequel::Plugins::Touch
- Sequel::Plugins::Touch::ClassMethods
- Sequel::Plugins::Touch::InstanceMethods
- Sequel::Plugins::TypecastOnLoad
- Sequel::Plugins::TypecastOnLoad::ClassMethods
- Sequel::Plugins::TypecastOnLoad::InstanceMethods
- Sequel::Plugins::UpdatePrimaryKey
- Sequel::Plugins::UpdatePrimaryKey::ClassMethods
- Sequel::Plugins::UpdatePrimaryKey::InstanceMethods
- Sequel::Plugins::ValidationClassMethods
- Sequel::Plugins::ValidationClassMethods::ClassMethods
- Sequel::Plugins::ValidationClassMethods::ClassMethods::Generator
- Sequel::Plugins::ValidationClassMethods::InstanceMethods
- Sequel::Plugins::ValidationHelpers
- Sequel::Plugins::ValidationHelpers::InstanceMethods
- Sequel::PoolTimeout
- Sequel::Postgres
- Sequel::Postgres::Adapter
- Sequel::Postgres::AdapterMethods
- Sequel::Postgres::Database
- Sequel::Postgres::DatabaseMethods
- Sequel::Postgres::Dataset
- Sequel::Postgres::Dataset::ArgumentMapper
- Sequel::Postgres::Dataset::BindArgumentMethods
- Sequel::Postgres::Dataset::PreparedStatementMethods
- Sequel::Postgres::DatasetMethods
- Sequel::Postgres::DatasetMethods::PreparedStatementMethods
- Sequel::PrettyTable
- Sequel::Progress
- Sequel::Progress::DatabaseMethods
- Sequel::Progress::DatasetMethods
- Sequel::Rollback
- Sequel::SQL
- Sequel::SQL::AliasMethods
- Sequel::SQL::AliasedExpression
- Sequel::SQL::BitwiseMethods
- Sequel::SQL::Blob
- Sequel::SQL::BooleanConstant
- Sequel::SQL::BooleanExpression
- Sequel::SQL::BooleanMethods
- Sequel::SQL::CaseExpression
- Sequel::SQL::Cast
- Sequel::SQL::CastMethods
- Sequel::SQL::ColumnAll
- Sequel::SQL::ComplexExpression
- Sequel::SQL::ComplexExpressionMethods
- Sequel::SQL::Constant
- Sequel::SQL::Constants
- Sequel::SQL::Expression
- Sequel::SQL::Function
- Sequel::SQL::GenericComplexExpression
- Sequel::SQL::GenericExpression
- Sequel::SQL::Identifier
- Sequel::SQL::IdentifierMethods
- Sequel::SQL::InequalityMethods
- Sequel::SQL::JoinClause
- Sequel::SQL::JoinOnClause
- Sequel::SQL::JoinUsingClause
- Sequel::SQL::NegativeBooleanConstant
- Sequel::SQL::NoBooleanInputMethods
- Sequel::SQL::NumericExpression
- Sequel::SQL::NumericMethods
- Sequel::SQL::OrderMethods
- Sequel::SQL::OrderedExpression
- Sequel::SQL::PlaceholderLiteralString
- Sequel::SQL::QualifiedIdentifier
- Sequel::SQL::QualifyingMethods
- Sequel::SQL::SQLArray
- Sequel::SQL::StringConcatenationMethods
- Sequel::SQL::StringExpression
- Sequel::SQL::StringMethods
- Sequel::SQL::Subscript
- Sequel::SQL::SubscriptMethods
- Sequel::SQL::VirtualRow
- Sequel::SQL::Window
- Sequel::SQL::WindowFunction
- Sequel::SQLite
- Sequel::SQLite::Database
- Sequel::SQLite::DatabaseMethods
- Sequel::SQLite::Dataset
- Sequel::SQLite::Dataset::ArgumentMapper
- Sequel::SQLite::Dataset::PreparedStatementMethods
- Sequel::SQLite::DatasetMethods
- Sequel::Schema
- Sequel::Schema::AlterTableGenerator
- Sequel::Schema::Generator
- Sequel::ShardedSingleConnectionPool
- Sequel::ShardedThreadedConnectionPool
- Sequel::SimpleMigration
- Sequel::SingleConnectionPool
- Sequel::ThreadLocalTimezones
- Sequel::ThreadedConnectionPool
- Sequel::TimestampMigrator
- Sequel::Timezones
- Sequel::ValidationFailed
- String
- String::Inflections
- Array
- FalseClass
- Hash
- NilClass
- Numeric
- Object
- PGconn
- PGresult
- Proc
- Symbol
- TrueClass

No matching classes.

# String::Inflections

This module acts as a singleton returned/yielded by String.inflections, which is used to override or specify additional inflection rules. Examples:

    String.inflections do |inflect|
      inflect.plural /^(ox)$/i, '\1\2en'
      inflect.singular /^(ox)en/i, '\1'

      inflect.irregular 'octopus', 'octopi'

      inflect.uncountable "equipment"
    end

New rules are added at the top. So in the example above, the irregular rule for octopus will now be the first of the pluralization and singularization rules that is runs. This guarantees that your rules run before any of the rules that may already have been loaded.

### Attributes

plurals[R]

Array of 2 element arrays, first containing a regex, and the second containing a substitution pattern, used for plurization.

singulars[R]

Array of 2 element arrays, first containing a regex, and the second containing a substitution pattern, used for singularization.

uncountables[R]

Array of strings for words were the singular form is the same as the plural form

### Public Class Methods

clear(scope = :all) click to toggle source

Clears the loaded inflections within a given scope (default is :all). Give the scope as a symbol of the inflection type, the options are: :plurals, :singulars, :uncountables

Examples:

    clear :all
    clear :plurals

    # File lib/sequel/extensions/inflector.rb, line 42
    def self.clear(scope = :all)
      case scope
      when :all
        @plurals, @singulars, @uncountables = [], [], []
      else
        instance_variable_set("@#{scope}", [])
      end
    end

irregular(singular, plural) click to toggle source

Specifies a new irregular that applies to both pluralization and singularization at the same time. This can only be used for strings, not regular expressions. You simply pass the irregular in singular and plural form.

Examples:

    irregular 'octopus', 'octopi'
    irregular 'person', 'people'

    # File lib/sequel/extensions/inflector.rb, line 57
    def self.irregular(singular, plural)
      plural(Regexp.new("(#{singular[0,1]})#{singular[1..-1]}$", "i"), '\1' + plural[1..-1])
      singular(Regexp.new("(#{plural[0,1]})#{plural[1..-1]}$", "i"), '\1' + singular[1..-1])
    end

plural(rule, replacement) click to toggle source

Specifies a new pluralization rule and its replacement. The rule can either be a string or a regular expression. The replacement should always be a string that may include references to the matched data from the rule.

Example:

    plural(/(x|ch|ss|sh)$/i, '\1es')

    # File lib/sequel/extensions/inflector.rb, line 67
    def self.plural(rule, replacement)
      @plurals.insert(0, [rule, replacement])
    end

singular(rule, replacement) click to toggle source

Specifies a new singularization rule and its replacement. The rule can either be a string or a regular expression. The replacement should always be a string that may include references to the matched data from the rule.

Example:

    singular(/([^aeiouy]|qu)ies$/i, '\1y')

    # File lib/sequel/extensions/inflector.rb, line 76
    def self.singular(rule, replacement)
      @singulars.insert(0, [rule, replacement])
    end

uncountable(*words) click to toggle source

Add uncountable words that shouldn’t be attempted inflected.

Examples:

    uncountable "money"
    uncountable "money", "information"
    uncountable %w( money information rice )

    # File lib/sequel/extensions/inflector.rb, line 86
    def self.uncountable(*words)
      (@uncountables << words).flatten!
    end

[Validate]

Generated with the Darkfish Rdoc Generator 2.