GCC Code Coverage Report

Directory: gridformat/
File: gridformat/vtk/attributes.hpp
Date: 2025-04-11 15:08:41
Exec Total Coverage
Lines: 52 54 96.3%
Functions: 16 16 100.0%
Branches: 72 136 52.9%
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1 // SPDX-FileCopyrightText: 2022-2023 Dennis Gläser <dennis.glaeser@iws.uni-stuttgart.de>
2 // SPDX-License-Identifier: MIT
3 /*!
4 * \file
5 * \ingroup VTK
6 * \brief Helper functions to get the VTK-specific names of things.
7 */
8 #ifndef GRIDFORMAT_VTK_ATTRIBUTES_HPP_
9 #define GRIDFORMAT_VTK_ATTRIBUTES_HPP_
10
11 #include <bit>
12
13 #include <gridformat/common/precision.hpp>
14 #include <gridformat/common/exceptions.hpp>
15 #include <gridformat/common/callable_overload_set.hpp>
16 #include <gridformat/vtk/common.hpp>
17
18 // forward declarations
19 namespace GridFormat { class DynamicPrecision; }
20 namespace GridFormat::Compression { class LZMA; class ZLIB; class LZ4; }
21 namespace GridFormat::Encoding { struct Ascii; struct Base64; struct RawBinary; }
22 // end forward declarations
23
24 namespace GridFormat::VTK {
25
26 //! \addtogroup VTK
27 //! \{
28
29 140483 std::string attribute_name(const DynamicPrecision& prec) {
30
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 140483 std::string prefix = prec.is_integral() ? (prec.is_signed() ? "Int" : "UInt") : "Float";
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 280966 return prefix + std::to_string(prec.size_in_bytes()*8);
32 140483 }
33
34 8244 std::string attribute_name(std::endian e) {
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 16488 return e == std::endian::little ? "LittleEndian" : "BigEndian";
36 }
37
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 3987 std::string attribute_name(const Encoding::Ascii&) { return "ascii"; }
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 19338 std::string attribute_name(const Encoding::Base64&) { return "base64"; }
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 11532 std::string attribute_name(const Encoding::RawBinary&) { return "raw"; }
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 5316 std::string attribute_name(const Compression::LZMA&) { return "vtkLZMADataCompressor"; };
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 6645 std::string attribute_name(const Compression::ZLIB&) { return "vtkZLibDataCompressor"; };
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 14022 std::string attribute_name(const Compression::LZ4&) { return "vtkLZ4DataCompressor"; };
45
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 107271 std::string data_format_name(const Encoding::RawBinary&, const DataFormat::Appended&) { return "appended"; }
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 245190 std::string data_format_name(const Encoding::Base64&, const DataFormat::Appended&) { return "appended"; }
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 26805 std::string data_format_name(const Encoding::Base64&, const DataFormat::Inlined&) { return "binary"; }
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 54600 std::string data_format_name(const Encoding::Ascii&, const DataFormat::Inlined&) { return "ascii"; }
50
51 template<typename Enc, typename Format>
52 1188 std::string data_format_name(const Enc& e, const Format& format) {
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 1188 const std::string encoder_name = attribute_name(e);
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 1188 const std::string format_name = Overload{
55 297 [] (const DataFormat::Appended&) { return "appended"; },
56 297 [] (const DataFormat::Inlined&) { return "inlined"; }
57 } (format);
58
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 1188 const std::string other_format_name = Overload{
59 297 [] (const DataFormat::Appended&) { return "GridFormat::VTK::inlined"; },
60 297 [] (const DataFormat::Inlined&) { return "GridFormat::VTK::appended"; }
61 } (format);
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 2376 throw ValueError(
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 2376 "VTK's '" + format_name + "' data format cannot be used with " + encoder_name
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 3564 + " encoding. Please choose '" + other_format_name + "' or a different encoder."
65 );
66 3564 }
67
68 10206 std::endian from_endian_attribute(const std::string& endian) {
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 10206 if (endian == "LittleEndian")
70 9868 return std::endian::little;
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 338 if (endian == "BigEndian")
72 338 return std::endian::big;
73 ✗ throw ValueError("Unsupported endian attribute: '" + endian + "'");
74 }
75
76 21724 DynamicPrecision from_precision_attribute(const std::string& prec) {
77
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 21724 if (prec.starts_with("Int")) {
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 797 const auto bytes = prec.substr(3);
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 797 if (bytes == "8") return int8;
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 797 if (bytes == "16") return int16;
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 797 if (bytes == "32") return int32;
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 702 if (bytes == "64") return int64;
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 21724 } else if (prec.starts_with("UInt")) {
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 11701 const auto bytes = prec.substr(4);
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 11701 if (bytes == "8") return uint8;
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 11418 if (bytes == "16") return uint16;
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 11418 if (bytes == "32") return uint32;
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 10066 if (bytes == "64") return uint64;
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 20927 } else if (prec.starts_with("Float")) {
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 8664 const auto bytes = prec.substr(5);
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 8664 if (bytes == "32") return float32;
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 4637 if (bytes == "64") return float64;
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 9226 } else if (prec == "String") {
94 562 return {Precision<char>{}};
95 }
96 ✗ throw ValueError("Cannot parse precision from '" + prec + "'");
97 }
98
99 //! \} group VTK
100
101 } // namespace GridFormat::VTK
102
103 #endif // GRIDFORMAT_VTK_ATTRIBUTES_HPP_
104