// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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// Original code is licensed as follows:
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/*
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* Copyright 2006-2007 Jeremias Maerki.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "xfa/fxbarcode/BC_Dimension.h"
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#include "xfa/fxbarcode/BC_UtilCodingConvert.h"
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#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
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#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
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#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h"
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#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h"
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#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
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CBC_EncoderContext::CBC_EncoderContext(const CFX_WideString msg,
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CFX_WideString ecLevel,
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int32_t& e) {
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CFX_ByteString dststr;
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CBC_UtilCodingConvert::UnicodeToUTF8(msg, dststr);
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CFX_WideString sb;
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int32_t c = dststr.GetLength();
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for (int32_t i = 0; i < c; i++) {
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FX_WCHAR ch = (FX_WCHAR)(dststr.GetAt(i) & 0xff);
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if (ch == '?' && dststr.GetAt(i) != '?') {
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e = BCExceptionCharactersOutsideISO88591Encoding;
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}
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sb += ch;
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}
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m_msg = sb;
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m_shape = FORCE_NONE;
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m_newEncoding = -1;
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m_pos = 0;
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m_symbolInfo = nullptr;
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m_skipAtEnd = 0;
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m_maxSize = nullptr;
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m_minSize = nullptr;
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}
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CBC_EncoderContext::~CBC_EncoderContext() {}
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void CBC_EncoderContext::setSymbolShape(SymbolShapeHint shape) {
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m_shape = shape;
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}
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void CBC_EncoderContext::setSizeConstraints(CBC_Dimension* minSize,
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CBC_Dimension* maxSize) {
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m_maxSize = maxSize;
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m_minSize = minSize;
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}
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CFX_WideString CBC_EncoderContext::getMessage() {
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return m_msg;
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}
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void CBC_EncoderContext::setSkipAtEnd(int32_t count) {
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m_skipAtEnd = count;
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}
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FX_WCHAR CBC_EncoderContext::getCurrentChar() {
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return m_msg.GetAt(m_pos);
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}
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FX_WCHAR CBC_EncoderContext::getCurrent() {
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return m_msg.GetAt(m_pos);
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}
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void CBC_EncoderContext::writeCodewords(CFX_WideString codewords) {
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m_codewords += codewords;
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}
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void CBC_EncoderContext::writeCodeword(FX_WCHAR codeword) {
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m_codewords += codeword;
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}
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int32_t CBC_EncoderContext::getCodewordCount() {
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return m_codewords.GetLength();
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}
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void CBC_EncoderContext::signalEncoderChange(int32_t encoding) {
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m_newEncoding = encoding;
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}
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void CBC_EncoderContext::resetEncoderSignal() {
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m_newEncoding = -1;
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}
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FX_BOOL CBC_EncoderContext::hasMoreCharacters() {
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return m_pos < getTotalMessageCharCount();
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}
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int32_t CBC_EncoderContext::getRemainingCharacters() {
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return getTotalMessageCharCount() - m_pos;
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}
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void CBC_EncoderContext::updateSymbolInfo(int32_t& e) {
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updateSymbolInfo(getCodewordCount(), e);
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}
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void CBC_EncoderContext::updateSymbolInfo(int32_t len, int32_t& e) {
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if (!m_symbolInfo || len > m_symbolInfo->m_dataCapacity) {
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m_symbolInfo =
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CBC_SymbolInfo::lookup(len, m_shape, m_minSize, m_maxSize, true, e);
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BC_EXCEPTION_CHECK_ReturnVoid(e);
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}
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}
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void CBC_EncoderContext::resetSymbolInfo() {
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m_shape = FORCE_NONE;
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}
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int32_t CBC_EncoderContext::getTotalMessageCharCount() {
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return m_msg.GetLength() - m_skipAtEnd;
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}
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