Class: GLib::HashTable
- Inherits:
-
Object
- Object
- GLib::HashTable
- Extended by:
- ContainerClassMethods
- Includes:
- Enumerable
- Defined in:
- lib/ffi-glib/hash_table.rb
Overview
Overrides for GHashTable, GLib’s hash table implementation.
Instance Attribute Summary collapse
-
#key_type ⇒ Object
TODO: Restructure so these can become attr_readers.
-
#value_type ⇒ Object
Returns the value of attribute value_type.
Class Method Summary collapse
- .equality_function_for(keytype) ⇒ Object
- .find_support_funtion(name) ⇒ Object
- .from_enumerable(typespec, hash) ⇒ Object
- .hash_function_for(keytype) ⇒ Object
- .new(keytype, valtype) ⇒ Object
Instance Method Summary collapse
Methods included from ContainerClassMethods
Instance Attribute Details
#key_type ⇒ Object
TODO: Restructure so these can become attr_readers.
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# File 'lib/ffi-glib/hash_table.rb', line 12 def key_type @key_type end |
#value_type ⇒ Object
Returns the value of attribute value_type.
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# File 'lib/ffi-glib/hash_table.rb', line 13 def value_type @value_type end |
Class Method Details
.equality_function_for(keytype) ⇒ Object
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# File 'lib/ffi-glib/hash_table.rb', line 65 def self.equality_function_for keytype case keytype when :utf8 FFI::Function.new(:int, [:pointer, :pointer], find_support_funtion("g_str_equal")) else nil end end |
.find_support_funtion(name) ⇒ Object
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# File 'lib/ffi-glib/hash_table.rb', line 74 def self.find_support_funtion name lib = ::GLib::Lib.ffi_libraries.first lib.find_function(name) end |
.from_enumerable(typespec, hash) ⇒ Object
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# File 'lib/ffi-glib/hash_table.rb', line 48 def self.from_enumerable typespec, hash ghash = self.new(*typespec) hash.each do |key, val| ghash.insert key, val end ghash end |
.hash_function_for(keytype) ⇒ Object
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# File 'lib/ffi-glib/hash_table.rb', line 56 def self.hash_function_for keytype case keytype when :utf8 FFI::Function.new(:uint, [:pointer], find_support_funtion("g_str_hash")) else nil end end |
.new(keytype, valtype) ⇒ Object
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# File 'lib/ffi-glib/hash_table.rb', line 38 def self.new keytype, valtype wrap [keytype, valtype], Lib.g_hash_table_new( hash_function_for(keytype), equality_function_for(keytype)) end |
Instance Method Details
#each ⇒ Object
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# File 'lib/ffi-glib/hash_table.rb', line 15 def each prc = Proc.new {|keyptr, valptr, userdata| key = GirFFI::ArgHelper.cast_from_pointer key_type, keyptr val = GirFFI::ArgHelper.cast_from_pointer value_type, valptr yield key, val } ::GLib::Lib.g_hash_table_foreach self.to_ptr, prc, nil end |
#insert(key, value) ⇒ Object
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# File 'lib/ffi-glib/hash_table.rb', line 28 def insert key, value keyptr = GirFFI::InPointer.from key_type, key valptr = GirFFI::InPointer.from value_type, value ::GLib::Lib.g_hash_table_insert self.to_ptr, keyptr, valptr end |
#reset_typespec(typespec) ⇒ Object
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# File 'lib/ffi-glib/hash_table.rb', line 43 def reset_typespec typespec self.key_type, self.value_type = *typespec self end |
#to_hash ⇒ Object
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# File 'lib/ffi-glib/hash_table.rb', line 24 def to_hash Hash[self.to_a] end |