dc_hash::delete Interface Reference

Private Member Functions
subroutine	dchashdelete0 (hashv, key)

Detailed Description

Definition at line 174 of file dc_hash.f90.

Member Function/Subroutine Documentation

dchashdelete0()

subroutine dc_hash::delete::dchashdelete0 ( type(hash), intent(inout)  hashv, character(*), intent(in), optional  key  )

private

Definition at line 362 of file dc_hash.f90.

    !
    ! *hashv* のキー *key* およびその関連する値を削除します.
    ! *hashv* 内に *key* が見つからない場合には何もしません.
    !
    ! *key* が省略される場合には *hashv* 内の全てのキーと値を
    ! 削除します.
    !
    implicit none
    type(hash), intent(inout) :: hashv
    character(*), intent(in), optional :: key
    type(hash_internal), pointer :: hash_table_tmp(:) => null()
    integer :: table_size, i, j
    logical :: found
    character(STRING) :: search_value
  continue
    if (present(key)) then
      call dchashget(hashv, key, search_value, found)
      table_size = dchashnumber(hashv)
      if (found .and. table_size > 1) then
        allocate(hash_table_tmp(table_size))
        hash_table_tmp = hashv % hash_table
        deallocate(hashv % hash_table)
        allocate(hashv % hash_table(table_size - 1))
        j = 1
        do i = 1, table_size
          if (trim(hash_table_tmp(i) % key) /= trim(key)) then
            hashv % hash_table(j) % key = hash_table_tmp(i) % key
            hashv % hash_table(j) % value = hash_table_tmp(i) % value
            j = j + 1
          end if
        end do
        
        deallocate(hash_table_tmp)
      elseif (found .and. table_size == 1) then
        deallocate(hashv % hash_table)
      end if
    else
      if (associated(hashv % hash_table)) deallocate(hashv % hash_table)
    end if

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The documentation for this interface was generated from the following file:

• dc_utils/dc_hash.f90