diff options
Diffstat (limited to 'xfa/src/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp')
| -rw-r--r-- | xfa/src/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp | 427 |
1 files changed, 0 insertions, 427 deletions
diff --git a/xfa/src/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp b/xfa/src/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp deleted file mode 100644 index 89fed29ffa..0000000000 --- a/xfa/src/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp +++ /dev/null @@ -1,427 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -// Original code is licensed as follows: -/* - * Copyright 2006 Jeremias Maerki in part, and ZXing Authors in part - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "xfa/src/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.h" - -#include "third_party/bigint/BigIntegerLibrary.hh" -#include "xfa/src/fxbarcode/BC_UtilCodingConvert.h" -#include "xfa/src/fxbarcode/pdf417/BC_PDF417Compaction.h" -#include "xfa/src/fxbarcode/utils.h" - -#define SUBMODE_ALPHA 0 -#define SUBMODE_LOWER 1 -#define SUBMODE_MIXED 2 - -int32_t CBC_PDF417HighLevelEncoder::TEXT_COMPACTION = 0; -int32_t CBC_PDF417HighLevelEncoder::BYTE_COMPACTION = 1; -int32_t CBC_PDF417HighLevelEncoder::NUMERIC_COMPACTION = 2; -int32_t CBC_PDF417HighLevelEncoder::SUBMODE_PUNCTUATION = 3; -int32_t CBC_PDF417HighLevelEncoder::LATCH_TO_TEXT = 900; -int32_t CBC_PDF417HighLevelEncoder::LATCH_TO_BYTE_PADDED = 901; -int32_t CBC_PDF417HighLevelEncoder::LATCH_TO_NUMERIC = 902; -int32_t CBC_PDF417HighLevelEncoder::SHIFT_TO_BYTE = 913; -int32_t CBC_PDF417HighLevelEncoder::LATCH_TO_BYTE = 924; -uint8_t CBC_PDF417HighLevelEncoder::TEXT_MIXED_RAW[] = { - 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 38, 13, 9, 44, 58, - 35, 45, 46, 36, 47, 43, 37, 42, 61, 94, 0, 32, 0, 0, 0}; -uint8_t CBC_PDF417HighLevelEncoder::TEXT_PUNCTUATION_RAW[] = { - 59, 60, 62, 64, 91, 92, 93, 95, 96, 126, 33, 13, 9, 44, 58, - 10, 45, 46, 36, 47, 34, 124, 42, 40, 41, 63, 123, 125, 39, 0}; -int32_t CBC_PDF417HighLevelEncoder::MIXED[128] = {0}; -int32_t CBC_PDF417HighLevelEncoder::PUNCTUATION[128] = {0}; - -void CBC_PDF417HighLevelEncoder::Initialize() { - Inverse(); -} -void CBC_PDF417HighLevelEncoder::Finalize() {} -CFX_WideString CBC_PDF417HighLevelEncoder::encodeHighLevel( - CFX_WideString wideMsg, - Compaction compaction, - int32_t& e) { - CFX_ByteString bytes; - CBC_UtilCodingConvert::UnicodeToUTF8(wideMsg, bytes); - CFX_WideString msg; - int32_t len = bytes.GetLength(); - for (int32_t i = 0; i < len; i++) { - FX_WCHAR ch = (FX_WCHAR)(bytes.GetAt(i) & 0xff); - if (ch == '?' && bytes.GetAt(i) != '?') { - e = BCExceptionCharactersOutsideISO88591Encoding; - return (FX_WCHAR*)""; - } - msg += ch; - } - CFX_ByteArray byteArr; - for (int32_t k = 0; k < bytes.GetLength(); k++) { - byteArr.Add(bytes.GetAt(k)); - } - CFX_WideString sb; - len = msg.GetLength(); - int32_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.GetSize(), BYTE_COMPACTION, sb); - } else if (compaction == NUMERIC) { - sb += (FX_WCHAR)LATCH_TO_NUMERIC; - encodeNumeric(msg, p, len, sb); - } else { - int32_t encodingMode = LATCH_TO_TEXT; - while (p < len) { - int32_t n = determineConsecutiveDigitCount(msg, p); - if (n >= 13) { - sb += (FX_WCHAR)LATCH_TO_NUMERIC; - encodingMode = NUMERIC_COMPACTION; - textSubMode = SUBMODE_ALPHA; - encodeNumeric(msg, p, n, sb); - p += n; - } else { - int32_t t = determineConsecutiveTextCount(msg, p); - if (t >= 5 || n == len) { - if (encodingMode != TEXT_COMPACTION) { - sb += (FX_WCHAR)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); - BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR)' '); - if (b == 0) { - b = 1; - } - if (b == 1 && encodingMode == TEXT_COMPACTION) { - encodeBinary(&byteArr, p, 1, TEXT_COMPACTION, sb); - } else { - encodeBinary(&byteArr, p, b, encodingMode, sb); - encodingMode = BYTE_COMPACTION; - textSubMode = SUBMODE_ALPHA; - } - p += b; - } - } - } - } - return sb; -} - -void CBC_PDF417HighLevelEncoder::Inverse() { - for (size_t l = 0; l < FX_ArraySize(MIXED); ++l) - MIXED[l] = -1; - - for (uint8_t i = 0; i < FX_ArraySize(TEXT_MIXED_RAW); ++i) { - uint8_t b = TEXT_MIXED_RAW[i]; - if (b != 0) - MIXED[b] = i; - } - - for (size_t l = 0; l < FX_ArraySize(PUNCTUATION); ++l) - PUNCTUATION[l] = -1; - - for (uint8_t i = 0; i < FX_ArraySize(TEXT_PUNCTUATION_RAW); ++i) { - uint8_t b = TEXT_PUNCTUATION_RAW[i]; - if (b != 0) - PUNCTUATION[b] = i; - } -} - -int32_t CBC_PDF417HighLevelEncoder::encodeText(CFX_WideString msg, - int32_t startpos, - int32_t count, - CFX_WideString& sb, - int32_t initialSubmode) { - CFX_WideString tmp; - int32_t submode = initialSubmode; - int32_t idx = 0; - while (TRUE) { - FX_WCHAR ch = msg.GetAt(startpos + idx); - switch (submode) { - case SUBMODE_ALPHA: - if (isAlphaUpper(ch)) { - if (ch == ' ') { - tmp += (FX_WCHAR)26; - } else { - tmp += (FX_WCHAR)(ch - 65); - } - } else { - if (isAlphaLower(ch)) { - submode = SUBMODE_LOWER; - tmp += (FX_WCHAR)27; - continue; - } else if (isMixed(ch)) { - submode = SUBMODE_MIXED; - tmp += (FX_WCHAR)28; - continue; - } else { - tmp += (FX_WCHAR)29; - tmp += PUNCTUATION[ch]; - break; - } - } - break; - case SUBMODE_LOWER: - if (isAlphaLower(ch)) { - if (ch == ' ') { - tmp += (FX_WCHAR)26; - } else { - tmp += (FX_WCHAR)(ch - 97); - } - } else { - if (isAlphaUpper(ch)) { - tmp += (FX_WCHAR)27; - tmp += (FX_WCHAR)(ch - 65); - break; - } else if (isMixed(ch)) { - submode = SUBMODE_MIXED; - tmp += (FX_WCHAR)28; - continue; - } else { - tmp += (FX_WCHAR)29; - tmp += PUNCTUATION[ch]; - break; - } - } - break; - case SUBMODE_MIXED: - if (isMixed(ch)) { - tmp += MIXED[ch]; - } else { - if (isAlphaUpper(ch)) { - submode = SUBMODE_ALPHA; - tmp += (FX_WCHAR)28; - continue; - } else if (isAlphaLower(ch)) { - submode = SUBMODE_LOWER; - tmp += (FX_WCHAR)27; - continue; - } else { - if (startpos + idx + 1 < count) { - FX_WCHAR next = msg.GetAt(startpos + idx + 1); - if (isPunctuation(next)) { - submode = SUBMODE_PUNCTUATION; - tmp += (FX_WCHAR)25; - continue; - } - } - tmp += (FX_WCHAR)29; - tmp += PUNCTUATION[ch]; - } - } - break; - default: - if (isPunctuation(ch)) { - tmp += PUNCTUATION[ch]; - } else { - submode = SUBMODE_ALPHA; - tmp += (FX_WCHAR)29; - continue; - } - } - idx++; - if (idx >= count) { - break; - } - } - FX_WCHAR h = 0; - int32_t len = tmp.GetLength(); - for (int32_t i = 0; i < len; i++) { - FX_BOOL odd = (i % 2) != 0; - if (odd) { - h = (FX_WCHAR)((h * 30) + tmp.GetAt(i)); - sb += h; - } else { - h = tmp.GetAt(i); - } - } - if ((len % 2) != 0) { - sb += (FX_WCHAR)((h * 30) + 29); - } - return submode; -} -void CBC_PDF417HighLevelEncoder::encodeBinary(CFX_ByteArray* bytes, - int32_t startpos, - int32_t count, - int32_t startmode, - CFX_WideString& sb) { - if (count == 1 && startmode == TEXT_COMPACTION) { - sb += (FX_WCHAR)SHIFT_TO_BYTE; - } - int32_t idx = startpos; - int32_t i = 0; - if (count >= 6) { - sb += (FX_WCHAR)LATCH_TO_BYTE; - FX_WCHAR chars[5]; - while ((startpos + count - idx) >= 6) { - int64_t t = 0; - for (i = 0; i < 6; i++) { - t <<= 8; - t += bytes->GetAt(idx + i) & 0xff; - } - for (i = 0; i < 5; i++) { - chars[i] = (FX_WCHAR)(t % 900); - t /= 900; - } - for (i = 4; i >= 0; i--) { - sb += (chars[i]); - } - idx += 6; - } - } - if (idx < startpos + count) { - sb += (FX_WCHAR)LATCH_TO_BYTE_PADDED; - } - for (i = idx; i < startpos + count; i++) { - int32_t ch = bytes->GetAt(i) & 0xff; - sb += (FX_WCHAR)ch; - } -} -void CBC_PDF417HighLevelEncoder::encodeNumeric(CFX_WideString msg, - int32_t startpos, - int32_t count, - CFX_WideString& sb) { - int32_t idx = 0; - BigInteger num900 = 900; - while (idx < count) { - CFX_WideString tmp; - int32_t len = 44 < count - idx ? 44 : count - idx; - CFX_ByteString part = - ((FX_WCHAR)'1' + msg.Mid(startpos + idx, len)).UTF8Encode(); - BigInteger bigint = stringToBigInteger(part.c_str()); - do { - int32_t c = (bigint % num900).toInt(); - tmp += (FX_WCHAR)(c); - bigint = bigint / num900; - } while (!bigint.isZero()); - for (int32_t i = tmp.GetLength() - 1; i >= 0; i--) { - sb += tmp.GetAt(i); - } - idx += len; - } -} -FX_BOOL CBC_PDF417HighLevelEncoder::isDigit(FX_WCHAR ch) { - return ch >= '0' && ch <= '9'; -} -FX_BOOL CBC_PDF417HighLevelEncoder::isAlphaUpper(FX_WCHAR ch) { - return ch == ' ' || (ch >= 'A' && ch <= 'Z'); -} -FX_BOOL CBC_PDF417HighLevelEncoder::isAlphaLower(FX_WCHAR ch) { - return ch == ' ' || (ch >= 'a' && ch <= 'z'); -} -FX_BOOL CBC_PDF417HighLevelEncoder::isMixed(FX_WCHAR ch) { - return MIXED[ch] != -1; -} -FX_BOOL CBC_PDF417HighLevelEncoder::isPunctuation(FX_WCHAR ch) { - return PUNCTUATION[ch] != -1; -} -FX_BOOL CBC_PDF417HighLevelEncoder::isText(FX_WCHAR ch) { - return ch == '\t' || ch == '\n' || ch == '\r' || (ch >= 32 && ch <= 126); -} -int32_t CBC_PDF417HighLevelEncoder::determineConsecutiveDigitCount( - CFX_WideString msg, - int32_t startpos) { - int32_t count = 0; - int32_t len = msg.GetLength(); - int32_t idx = startpos; - if (idx < len) { - FX_WCHAR ch = msg.GetAt(idx); - while (isDigit(ch) && idx < len) { - count++; - idx++; - if (idx < len) { - ch = msg.GetAt(idx); - } - } - } - return count; -} -int32_t CBC_PDF417HighLevelEncoder::determineConsecutiveTextCount( - CFX_WideString msg, - int32_t startpos) { - int32_t len = msg.GetLength(); - int32_t idx = startpos; - while (idx < len) { - FX_WCHAR ch = msg.GetAt(idx); - int32_t numericCount = 0; - while (numericCount < 13 && isDigit(ch) && idx < len) { - numericCount++; - idx++; - if (idx < len) { - ch = msg.GetAt(idx); - } - } - if (numericCount >= 13) { - return idx - startpos - numericCount; - } - if (numericCount > 0) { - continue; - } - ch = msg.GetAt(idx); - if (!isText(ch)) { - break; - } - idx++; - } - return idx - startpos; -} -int32_t CBC_PDF417HighLevelEncoder::determineConsecutiveBinaryCount( - CFX_WideString msg, - CFX_ByteArray* bytes, - int32_t startpos, - int32_t& e) { - int32_t len = msg.GetLength(); - int32_t idx = startpos; - while (idx < len) { - FX_WCHAR ch = msg.GetAt(idx); - int32_t numericCount = 0; - while (numericCount < 13 && isDigit(ch)) { - numericCount++; - int32_t i = idx + numericCount; - if (i >= len) { - break; - } - ch = msg.GetAt(i); - } - if (numericCount >= 13) { - return idx - startpos; - } - int32_t textCount = 0; - while (textCount < 5 && isText(ch)) { - textCount++; - int32_t i = idx + textCount; - if (i >= len) { - break; - } - ch = msg.GetAt(i); - } - if (textCount >= 5) { - return idx - startpos; - } - ch = msg.GetAt(idx); - if (bytes->GetAt(idx) == 63 && ch != '?') { - e = BCExceptionNonEncodableCharacterDetected; - return -1; - } - idx++; - } - return idx - startpos; -} |