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null safety 적용 #5

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null safety 적용 #5

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b177d92
[update] null-safety 적용
jpoh281 Jun 4, 2021
005db04
[change] import 변경
jpoh281 Jun 4, 2021
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11 changes: 6 additions & 5 deletions lib/cp949.dart
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Original file line number Diff line number Diff line change
@@ -1,19 +1,20 @@
import 'src/code_map.dart' show cp949ToUnicodeCodeMap, unicodeToCp949CodeMap;

List<int> toUnicodes(final List<int> codeUnits) {
final unicodes = List<int>(codeUnits.length);
final List<int> unicodes = new List<int>.filled(codeUnits.length, 0);
// new List(codeUnits.length);
var j = 0;
for (var i = 0; i < codeUnits.length; j++) {
// When 1 byte becomes 1 cp949 code
if (0x00 <= codeUnits[i] && codeUnits[i] <= 0x7F) {
unicodes[j] = cp949ToUnicodeCodeMap[codeUnits[i]];
unicodes[j] = cp949ToUnicodeCodeMap[codeUnits[i]]!;
i = i + 1;
} else {
// When 2 bytes become 1 cp949 code
final cp949Code = (codeUnits[i] << 8) + codeUnits[i + 1];
i = i + 2;
if (0x8141 <= cp949Code && cp949Code <= 0xFDFE) {
unicodes[j] = cp949ToUnicodeCodeMap[cp949Code];
unicodes[j] = cp949ToUnicodeCodeMap[cp949Code]!;
} else {
throw FormatException(
'Invalid code unit of CP949. It has to be (>=0x00 <=0x7F) || (>=0x8141 <=0xFDFE).');
Expand All @@ -34,10 +35,10 @@ String decodeString(final String brokenString) {
/// Dart does not support non-unicode encoding.
/// Thus, the return value has to be raw byte array of CP949.
List<int> encode(final String str) {
final cp949codeUnits = List<int>(str.codeUnits.length * 2);
final cp949codeUnits = List<int>.filled(str.codeUnits.length * 2, 0);
var i = 0;
for (final unicode in str.codeUnits) {
final cp949Code = unicodeToCp949CodeMap[unicode];
final cp949Code = unicodeToCp949CodeMap[unicode]!;
final firstByte = cp949Code >> 8;
final secondByte = cp949Code - (firstByte << 8);
if (firstByte != 0) {
Expand Down