class GLib::HashTable
Overrides for GHashTable, GLib's hash table implementation.
Attributes
key_type[R]
value_type[R]
Public Class Methods
from_enumerable(typespec, hash)
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@api private
# File lib/ffi-glib/hash_table.rb, line 24 def self.from_enumerable(typespec, hash) ghash = new(*typespec) hash.each do |key, val| ghash.insert key, val end ghash end
new(key_type, value_type)
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# File lib/ffi-glib/hash_table.rb, line 16 def initialize(key_type, value_type) @key_type = key_type @value_type = value_type store_pointer Lib.g_hash_table_new( hash_function_for_key_type, equality_function_for_key_type) end
Public Instance Methods
each() { |key, val| ... }
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# File lib/ffi-glib/hash_table.rb, line 32 def each prc = proc do |keyptr, valptr, _userdata| key = GirFFI::ArgHelper.cast_from_pointer key_type, keyptr val = GirFFI::ArgHelper.cast_from_pointer value_type, valptr yield key, val end callback = GLib::HFunc.from prc ::GLib::Lib.g_hash_table_foreach to_ptr, callback, nil end
insert(key, value)
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@override
# File lib/ffi-glib/hash_table.rb, line 47 def insert(key, value) keyptr = GirFFI::InPointer.from key_type, key valptr = GirFFI::InPointer.from value_type, value ::GLib::Lib.g_hash_table_insert to_ptr, keyptr, valptr end
reset_typespec(typespec)
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@api private
# File lib/ffi-glib/hash_table.rb, line 54 def reset_typespec(typespec) @key_type, @value_type = *typespec self end
to_hash()
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# File lib/ffi-glib/hash_table.rb, line 42 def to_hash Hash[to_a] end
Private Instance Methods
equality_function_for_key_type()
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# File lib/ffi-glib/hash_table.rb, line 70 def equality_function_for_key_type case @key_type when :utf8 FFI::Function.new(:int, [:pointer, :pointer], find_support_function("g_str_equal")) end end
find_support_function(name)
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# File lib/ffi-glib/hash_table.rb, line 79 def find_support_function(name) lib = ::GLib::Lib.ffi_libraries.first lib.find_function(name) end
hash_function_for_key_type()
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# File lib/ffi-glib/hash_table.rb, line 61 def hash_function_for_key_type case @key_type when :utf8 FFI::Function.new(:uint, [:pointer], find_support_function("g_str_hash")) end end