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path: root/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp
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Diffstat (limited to 'fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp')
-rw-r--r--fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp219
1 files changed, 108 insertions, 111 deletions
diff --git a/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp b/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp
index 6dd7ee5191..7deca0f04f 100644
--- a/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp
+++ b/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp
@@ -61,11 +61,11 @@ WideString CBC_PDF417HighLevelEncoder::encodeHighLevel(WideString wideMsg,
int32_t& e) {
ByteString bytes;
CBC_UtilCodingConvert::UnicodeToUTF8(wideMsg, bytes);
- int32_t len = bytes.GetLength();
+ size_t len = bytes.GetLength();
WideString msg;
msg.Reserve(len);
- for (int32_t i = 0; i < len; i++) {
- wchar_t ch = (wchar_t)(bytes[i] & 0xff);
+ for (size_t i = 0; i < len; i++) {
+ wchar_t ch = bytes[i] & 0xff;
if (ch == '?' && bytes[i] != '?') {
e = BCExceptionCharactersOutsideISO88591Encoding;
return WideString();
@@ -76,50 +76,54 @@ WideString CBC_PDF417HighLevelEncoder::encodeHighLevel(WideString wideMsg,
len = msg.GetLength();
WideString sb;
sb.Reserve(len);
- int32_t p = 0;
+ size_t p = 0;
int32_t textSubMode = SUBMODE_ALPHA;
if (compaction == TEXT) {
encodeText(msg, p, len, sb, textSubMode);
} else if (compaction == BYTES) {
encodeBinary(&byteArr, p, byteArr.size(), BYTE_COMPACTION, sb);
} else if (compaction == NUMERIC) {
- sb += (wchar_t)LATCH_TO_NUMERIC;
+ sb += LATCH_TO_NUMERIC;
encodeNumeric(msg, p, len, sb);
} else {
int32_t encodingMode = LATCH_TO_TEXT;
while (p < len) {
- int32_t n = determineConsecutiveDigitCount(msg, p);
+ size_t n = determineConsecutiveDigitCount(msg, p);
if (n >= 13) {
- sb += (wchar_t)LATCH_TO_NUMERIC;
+ sb += LATCH_TO_NUMERIC;
encodingMode = NUMERIC_COMPACTION;
textSubMode = SUBMODE_ALPHA;
encodeNumeric(msg, p, n, sb);
p += n;
} else {
- int32_t t = determineConsecutiveTextCount(msg, p);
+ size_t t = determineConsecutiveTextCount(msg, p);
if (t >= 5 || n == len) {
if (encodingMode != TEXT_COMPACTION) {
- sb += (wchar_t)LATCH_TO_TEXT;
+ sb += LATCH_TO_TEXT;
encodingMode = TEXT_COMPACTION;
textSubMode = SUBMODE_ALPHA;
}
textSubMode = encodeText(msg, p, t, sb, textSubMode);
p += t;
} else {
- int32_t b = determineConsecutiveBinaryCount(msg, &byteArr, p, e);
- if (e != BCExceptionNO)
+ Optional<size_t> b =
+ determineConsecutiveBinaryCount(msg, &byteArr, p);
+ if (!b) {
+ e = BCExceptionNonEncodableCharacterDetected;
return L" ";
- if (b == 0) {
- b = 1;
}
- if (b == 1 && encodingMode == TEXT_COMPACTION) {
+ size_t b_value = b.value();
+ if (b_value == 0) {
+ b_value = 1;
+ }
+ if (b_value == 1 && encodingMode == TEXT_COMPACTION) {
encodeBinary(&byteArr, p, 1, TEXT_COMPACTION, sb);
} else {
- encodeBinary(&byteArr, p, b, encodingMode, sb);
+ encodeBinary(&byteArr, p, b_value, encodingMode, sb);
encodingMode = BYTE_COMPACTION;
textSubMode = SUBMODE_ALPHA;
}
- p += b;
+ p += b_value;
}
}
}
@@ -148,58 +152,58 @@ void CBC_PDF417HighLevelEncoder::Inverse() {
}
int32_t CBC_PDF417HighLevelEncoder::encodeText(WideString msg,
- int32_t startpos,
- int32_t count,
+ size_t startpos,
+ size_t count,
WideString& sb,
int32_t initialSubmode) {
WideString tmp;
int32_t submode = initialSubmode;
- int32_t idx = 0;
+ size_t idx = 0;
while (true) {
wchar_t ch = msg[startpos + idx];
switch (submode) {
case SUBMODE_ALPHA:
if (isAlphaUpper(ch)) {
if (ch == ' ')
- tmp += (wchar_t)26;
+ tmp += 26;
else
- tmp += (wchar_t)(ch - 65);
+ tmp += ch - 65;
break;
}
if (isAlphaLower(ch)) {
submode = SUBMODE_LOWER;
- tmp += (wchar_t)27;
+ tmp += 27;
continue;
}
if (isMixed(ch)) {
submode = SUBMODE_MIXED;
- tmp += (wchar_t)28;
+ tmp += 28;
continue;
}
- tmp += (wchar_t)29;
+ tmp += 29;
tmp += PUNCTUATION[ch];
break;
case SUBMODE_LOWER:
if (isAlphaLower(ch)) {
if (ch == ' ') {
- tmp += (wchar_t)26;
+ tmp += 26;
} else {
- tmp += (wchar_t)(ch - 97);
+ tmp += ch - 97;
}
break;
}
if (isAlphaUpper(ch)) {
- tmp += (wchar_t)27;
- tmp += (wchar_t)(ch - 65);
+ tmp += 27;
+ tmp += ch - 65;
break;
}
if (isMixed(ch)) {
submode = SUBMODE_MIXED;
- tmp += (wchar_t)28;
+ tmp += 28;
continue;
}
- tmp += (wchar_t)29;
+ tmp += 29;
tmp += PUNCTUATION[ch];
break;
case SUBMODE_MIXED:
@@ -209,23 +213,23 @@ int32_t CBC_PDF417HighLevelEncoder::encodeText(WideString msg,
}
if (isAlphaUpper(ch)) {
submode = SUBMODE_ALPHA;
- tmp += (wchar_t)28;
+ tmp += 28;
continue;
}
if (isAlphaLower(ch)) {
submode = SUBMODE_LOWER;
- tmp += (wchar_t)27;
+ tmp += 27;
continue;
}
if (startpos + idx + 1 < count) {
wchar_t next = msg[startpos + idx + 1];
if (isPunctuation(next)) {
submode = SUBMODE_PUNCTUATION;
- tmp += (wchar_t)25;
+ tmp += 25;
continue;
}
}
- tmp += (wchar_t)29;
+ tmp += 29;
tmp += PUNCTUATION[ch];
break;
default:
@@ -234,193 +238,186 @@ int32_t CBC_PDF417HighLevelEncoder::encodeText(WideString msg,
break;
}
submode = SUBMODE_ALPHA;
- tmp += (wchar_t)29;
+ tmp += 29;
continue;
}
idx++;
- if (idx >= count) {
+ if (idx >= count)
break;
- }
}
wchar_t h = 0;
- int32_t len = tmp.GetLength();
- for (int32_t i = 0; i < len; i++) {
+ size_t len = tmp.GetLength();
+ for (size_t i = 0; i < len; i++) {
bool odd = (i % 2) != 0;
if (odd) {
- h = (wchar_t)((h * 30) + tmp[i]);
+ h = (h * 30) + tmp[i];
sb += h;
} else {
h = tmp[i];
}
}
- if ((len % 2) != 0) {
- sb += (wchar_t)((h * 30) + 29);
- }
+ if ((len % 2) != 0)
+ sb += (h * 30) + 29;
return submode;
}
+
void CBC_PDF417HighLevelEncoder::encodeBinary(std::vector<uint8_t>* bytes,
- int32_t startpos,
- int32_t count,
+ size_t startpos,
+ size_t count,
int32_t startmode,
WideString& sb) {
if (count == 1 && startmode == TEXT_COMPACTION) {
- sb += (wchar_t)SHIFT_TO_BYTE;
+ sb += SHIFT_TO_BYTE;
}
- int32_t idx = startpos;
- int32_t i = 0;
+ size_t idx = startpos;
if (count >= 6) {
- sb += (wchar_t)LATCH_TO_BYTE;
+ sb += LATCH_TO_BYTE;
wchar_t chars[5];
while ((startpos + count - idx) >= 6) {
int64_t t = 0;
- for (i = 0; i < 6; i++) {
+ for (size_t i = 0; i < 6; i++) {
t <<= 8;
t += (*bytes)[idx + i] & 0xff;
}
- for (i = 0; i < 5; i++) {
- chars[i] = (wchar_t)(t % 900);
+ for (size_t i = 0; i < 5; i++) {
+ chars[i] = (t % 900);
t /= 900;
}
- for (i = 4; i >= 0; i--) {
- sb += (chars[i]);
- }
+ for (size_t i = 5; i >= 1; i--)
+ sb += (chars[i - 1]);
idx += 6;
}
}
- if (idx < startpos + count) {
- sb += (wchar_t)LATCH_TO_BYTE_PADDED;
- }
- for (i = idx; i < startpos + count; i++) {
+ if (idx < startpos + count)
+ sb += LATCH_TO_BYTE_PADDED;
+ for (size_t i = idx; i < startpos + count; i++) {
int32_t ch = (*bytes)[i] & 0xff;
- sb += (wchar_t)ch;
+ sb += ch;
}
}
+
void CBC_PDF417HighLevelEncoder::encodeNumeric(WideString msg,
- int32_t startpos,
- int32_t count,
+ size_t startpos,
+ size_t count,
WideString& sb) {
- int32_t idx = 0;
+ size_t idx = 0;
BigInteger num900 = 900;
while (idx < count) {
WideString tmp;
- int32_t len = 44 < count - idx ? 44 : count - idx;
- ByteString part =
- ((wchar_t)'1' + msg.Mid(startpos + idx, len)).UTF8Encode();
+ size_t len = 44 < count - idx ? 44 : count - idx;
+ ByteString part = (L'1' + msg.Mid(startpos + idx, len)).UTF8Encode();
BigInteger bigint = stringToBigInteger(part.c_str());
do {
int32_t c = (bigint % num900).toInt();
- tmp += (wchar_t)(c);
+ tmp += c;
bigint = bigint / num900;
} while (!bigint.isZero());
- for (int32_t i = tmp.GetLength() - 1; i >= 0; i--) {
- sb += tmp[i];
- }
+ for (size_t i = tmp.GetLength(); i >= 1; i--)
+ sb += tmp[i - 1];
idx += len;
}
}
+
bool CBC_PDF417HighLevelEncoder::isDigit(wchar_t ch) {
return ch >= '0' && ch <= '9';
}
+
bool CBC_PDF417HighLevelEncoder::isAlphaUpper(wchar_t ch) {
return ch == ' ' || (ch >= 'A' && ch <= 'Z');
}
+
bool CBC_PDF417HighLevelEncoder::isAlphaLower(wchar_t ch) {
return ch == ' ' || (ch >= 'a' && ch <= 'z');
}
+
bool CBC_PDF417HighLevelEncoder::isMixed(wchar_t ch) {
return MIXED[ch] != -1;
}
+
bool CBC_PDF417HighLevelEncoder::isPunctuation(wchar_t ch) {
return PUNCTUATION[ch] != -1;
}
+
bool CBC_PDF417HighLevelEncoder::isText(wchar_t ch) {
return ch == '\t' || ch == '\n' || ch == '\r' || (ch >= 32 && ch <= 126);
}
-int32_t CBC_PDF417HighLevelEncoder::determineConsecutiveDigitCount(
+
+size_t CBC_PDF417HighLevelEncoder::determineConsecutiveDigitCount(
WideString msg,
- int32_t startpos) {
- int32_t count = 0;
- int32_t len = msg.GetLength();
- int32_t idx = startpos;
+ size_t startpos) {
+ size_t count = 0;
+ size_t len = msg.GetLength();
+ size_t idx = startpos;
if (idx < len) {
wchar_t ch = msg[idx];
while (isDigit(ch) && idx < len) {
count++;
idx++;
- if (idx < len) {
+ if (idx < len)
ch = msg[idx];
- }
}
}
return count;
}
-int32_t CBC_PDF417HighLevelEncoder::determineConsecutiveTextCount(
+
+size_t CBC_PDF417HighLevelEncoder::determineConsecutiveTextCount(
WideString msg,
- int32_t startpos) {
- int32_t len = msg.GetLength();
- int32_t idx = startpos;
+ size_t startpos) {
+ size_t len = msg.GetLength();
+ size_t idx = startpos;
while (idx < len) {
wchar_t ch = msg[idx];
- int32_t numericCount = 0;
+ size_t numericCount = 0;
while (numericCount < 13 && isDigit(ch) && idx < len) {
numericCount++;
idx++;
- if (idx < len) {
+ if (idx < len)
ch = msg[idx];
- }
}
- if (numericCount >= 13) {
+ if (numericCount >= 13)
return idx - startpos - numericCount;
- }
- if (numericCount > 0) {
+ if (numericCount > 0)
continue;
- }
ch = msg[idx];
- if (!isText(ch)) {
+ if (!isText(ch))
break;
- }
idx++;
}
return idx - startpos;
}
-int32_t CBC_PDF417HighLevelEncoder::determineConsecutiveBinaryCount(
+
+Optional<size_t> CBC_PDF417HighLevelEncoder::determineConsecutiveBinaryCount(
WideString msg,
std::vector<uint8_t>* bytes,
- int32_t startpos,
- int32_t& e) {
- int32_t len = msg.GetLength();
- int32_t idx = startpos;
+ size_t startpos) {
+ size_t len = msg.GetLength();
+ size_t idx = startpos;
while (idx < len) {
wchar_t ch = msg[idx];
- int32_t numericCount = 0;
+ size_t numericCount = 0;
while (numericCount < 13 && isDigit(ch)) {
numericCount++;
- int32_t i = idx + numericCount;
- if (i >= len) {
+ size_t i = idx + numericCount;
+ if (i >= len)
break;
- }
ch = msg[i];
}
- if (numericCount >= 13) {
+ if (numericCount >= 13)
return idx - startpos;
- }
- int32_t textCount = 0;
+
+ size_t textCount = 0;
while (textCount < 5 && isText(ch)) {
textCount++;
- int32_t i = idx + textCount;
- if (i >= len) {
+ size_t i = idx + textCount;
+ if (i >= len)
break;
- }
ch = msg[i];
}
- if (textCount >= 5) {
+ if (textCount >= 5)
return idx - startpos;
- }
ch = msg[idx];
- if ((*bytes)[idx] == 63 && ch != '?') {
- e = BCExceptionNonEncodableCharacterDetected;
- return -1;
- }
+ if ((*bytes)[idx] == 63 && ch != '?')
+ return {};
idx++;
}
return idx - startpos;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 17:32:01 +0000