Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/zxing-cpp/core/src/TextEncoder.cpp @ 21:2f43e400f144

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Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
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1 /*
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2 * Copyright 2016 Nu-book Inc.
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3 */
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4 // SPDX-License-Identifier: Apache-2.0
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6 #include "TextEncoder.h"
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8 #include "CharacterSet.h"
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9 #include "ECI.h"
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10 #include "Utf.h"
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11 #include "ZXAlgorithms.h"
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12 #include "libzueci/zueci.h"
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14 #include <stdexcept>
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16 namespace ZXing {
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18 void TextEncoder::GetBytes(const std::string& str, CharacterSet charset, std::string& bytes)
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19 {
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20 int eci = ToInt(ToECI(charset));
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21 const int str_len = narrow_cast<int>(str.length());
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22 int eci_len;
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24 if (eci == -1)
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25 eci = 899; // Binary
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27 bytes.clear();
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29 int error_number = zueci_dest_len_eci(eci, reinterpret_cast<const unsigned char *>(str.data()), str_len, &eci_len);
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30 if (error_number >= ZUECI_ERROR) // Shouldn't happen
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31 throw std::logic_error("Internal error `zueci_dest_len_eci()`");
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33 bytes.resize(eci_len); // Sufficient but approximate length
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35 error_number = zueci_utf8_to_eci(eci, reinterpret_cast<const unsigned char *>(str.data()), str_len,
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36 reinterpret_cast<unsigned char *>(bytes.data()), &eci_len);
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37 if (error_number >= ZUECI_ERROR) {
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38 bytes.clear();
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39 throw std::invalid_argument("Unexpected charcode");
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40 }
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42 bytes.resize(eci_len); // Actual length
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43 }
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45 void TextEncoder::GetBytes(const std::wstring& str, CharacterSet charset, std::string& bytes)
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46 {
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47 GetBytes(ToUtf8(str), charset, bytes);
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48 }
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50 } // ZXing