Mercurial > hgrepos > Python2 > PyMuPDF

comparison mupdf-source/thirdparty/zxing-cpp/core/src/TextEncoder.cpp @ 2:b50eed0cc0ef upstream

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
parents
children
comparison
equal deleted inserted replaced
1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
2 * Copyright 2016 Nu-book Inc.
3 */
4 // SPDX-License-Identifier: Apache-2.0
5
6 #include "TextEncoder.h"
7
8 #include "CharacterSet.h"
9 #include "ECI.h"
10 #include "Utf.h"
11 #include "ZXAlgorithms.h"
12 #include "libzueci/zueci.h"
13
14 #include <stdexcept>
15
16 namespace ZXing {
17
18 void TextEncoder::GetBytes(const std::string& str, CharacterSet charset, std::string& bytes)
19 {
20 int eci = ToInt(ToECI(charset));
21 const int str_len = narrow_cast<int>(str.length());
22 int eci_len;
23
24 if (eci == -1)
25 eci = 899; // Binary
26
27 bytes.clear();
28
29 int error_number = zueci_dest_len_eci(eci, reinterpret_cast<const unsigned char *>(str.data()), str_len, &eci_len);
30 if (error_number >= ZUECI_ERROR) // Shouldn't happen
31 throw std::logic_error("Internal error `zueci_dest_len_eci()`");
32
33 bytes.resize(eci_len); // Sufficient but approximate length
34
35 error_number = zueci_utf8_to_eci(eci, reinterpret_cast<const unsigned char *>(str.data()), str_len,
36 reinterpret_cast<unsigned char *>(bytes.data()), &eci_len);
37 if (error_number >= ZUECI_ERROR) {
38 bytes.clear();
39 throw std::invalid_argument("Unexpected charcode");
40 }
41
42 bytes.resize(eci_len); // Actual length
43 }
44
45 void TextEncoder::GetBytes(const std::wstring& str, CharacterSet charset, std::string& bytes)
46 {
47 GetBytes(ToUtf8(str), charset, bytes);
48 }
49
50 } // ZXing