class EL_COMPARE_ZSTRING_TO_STRING_8
Implementation of EL_ZSTRING_INTERVALS for comparing with strings conforming to READABLE_STRING_8
note
description: "[
Implementation of ${EL_ZSTRING_INTERVALS} for comparing with strings conforming
to ${READABLE_STRING_8}
]"
author: "Finnian Reilly"
copyright: "Copyright (c) 2001-2022 Finnian Reilly"
contact: "finnian at eiffel hyphen loop dot com"
license: "MIT license (See: en.wikipedia.org/wiki/MIT_License)"
date: "2024-08-31 19:53:26 GMT (Saturday 31st August 2024)"
revision: "9"
class
EL_COMPARE_ZSTRING_TO_STRING_8
inherit
EL_COMPARABLE_ZSTRING_INTERVALS [CHARACTER_8, READABLE_STRING_8]
EL_SHARED_STRING_8_CURSOR
rename
cursor_8 as string_cursor
end
create
make
feature -- Element change
set_other_area (a_cursor: like string_cursor)
do
other_area := a_cursor.area
other_area_first_index := a_cursor.area_first_index
end
feature {NONE} -- Implementation
same_encoded_interval_characters (
encoded_area: SPECIAL [CHARACTER]; a_count, offset, a_other_offset: INTEGER
): BOOLEAN
local
i, j, other_offset: INTEGER; c_j: CHARACTER; l_unicodes: like unicode_table
l_other_area: SPECIAL [CHARACTER]
do
l_unicodes := unicode_table; l_other_area := other_area
other_offset := other_area_first_index + a_other_offset
Result := True
from i := 0 until not Result or else i = a_count loop
j := i + offset
c_j := encoded_area [j]
inspect character_8_band (c_j)
when Ascii_range, Substitute then
Result := c_j = l_other_area [j + other_offset]
else
Result := l_unicodes [c_j.code].to_character_8 = l_other_area [j + other_offset]
end
i := i + 1
end
end
same_interval_characters (
current_area: like unencoded_area; a_other_area: SPECIAL [CHARACTER_8]
other_i, current_i, comparison_count: INTEGER
): BOOLEAN
local
i: INTEGER
do
Result := True
from i := 0 until not Result or i = comparison_count loop
Result := current_area [current_i + i] = a_other_area [other_i + i].to_character_32
i := i + 1
end
end
end