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<title>LCOV - coverage.info - core/dbc_statement_handler.h</title>
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<td width="10%" class="headerValue"><a href="../index.html" title="Click to go to top-level">top level</a> - <a href="index.html" title="Click to go to directory core">core</a> - dbc_statement_handler.h<span style="font-size: 80%;"> (source / <a href="dbc_statement_handler.h.func-c.html" title="Click to go to function table">functions</a>)</span></td>
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<td width="5%" class="headerCovTableHead" title="Covered + Uncovered code">Total</td>
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<td class="headerCovTableEntryHi">100.0 %</td>
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<td class="headerCovTableEntry">8</td>
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<td class="headerCovTableEntry">8</td>
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<td class="headerValue">2026-10-20 13:34:58</td>
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<td class="headerCovTableEntryHi">100.0 %</td>
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<td class="headerCovTableEntry">10</td>
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<td class="headerCovTableEntry">10</td>
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<td class="headerItem">Branches:</td>
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<td class="headerCovTableEntryLo">45.5 %</td>
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<td class="headerCovTableEntry">22</td>
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<td class="headerCovTableEntry">10</td>
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<td>
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<pre class="sourceHeading"> Branch data Line data Source code</pre>
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<pre class="source">
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<span id="L1"><span class="lineNum"> 1</span> : : // SPDX-License-Identifier: MIT</span>
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<span id="L2"><span class="lineNum"> 2</span> : : #ifndef DBC_STATEMENT_HANDLER_H</span>
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<span id="L3"><span class="lineNum"> 3</span> : : #define DBC_STATEMENT_HANDLER_H</span>
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<span id="L4"><span class="lineNum"> 4</span> : : </span>
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<span id="L5"><span class="lineNum"> 5</span> : : #include "dbc_database.h"</span>
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<span id="L6"><span class="lineNum"> 6</span> : : #include "dbc_diagnostic.h"</span>
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<span id="L7"><span class="lineNum"> 7</span> : : #include "typefactory.h"</span>
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<span id="L8"><span class="lineNum"> 8</span> : : #include <stdexcept></span>
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<span id="L9"><span class="lineNum"> 9</span> : : #include <string></span>
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<span id="L10"><span class="lineNum"> 10</span> : : #include <unordered_map></span>
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<span id="L11"><span class="lineNum"> 11</span> : : </span>
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<span id="L12"><span class="lineNum"> 12</span> : : /** @brief Deferred raw value descriptions and their target. */</span>
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<span id="L13"><span class="lineNum"> 13</span> : : struct PendingValueDescriptions {</span>
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<span id="L14"><span class="lineNum"> 14</span> : : std::uint32_t canId; /**< Normalized target frame identifier. */</span>
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<span id="L15"><span class="lineNum"> 15</span> : : bool isExtended; /**< Target frame type. */</span>
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<span id="L16"><span class="lineNum"> 16</span> : : std::string signalName; /**< Target signal name. */</span>
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<span id="L17"><span class="lineNum"> 17</span> : : ValueDescriptions descriptions; /**< Raw integer descriptions to merge. */</span>
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<span id="L18"><span class="lineNum"> 18</span> : : std::size_t lineNumber; /**< One-based physical statement line. */</span>
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<span id="L19"><span class="lineNum"> 19</span> : : };</span>
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<span id="L20"><span class="lineNum"> 20</span> : : </span>
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<span id="L21"><span class="lineNum"> 21</span> : : /** @brief Deferred frame or signal comment and its source location. */</span>
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<span id="L22"><span class="lineNum"> 22</span> : : struct PendingComment {</span>
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<span id="L23"><span class="lineNum"> 23</span> : : std::uint32_t canId; /**< Normalized target frame identifier. */</span>
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<span id="L24"><span class="lineNum"> 24</span> : : bool isExtended; /**< Target frame type. */</span>
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<span id="L25"><span class="lineNum"> 25</span> : : bool isSignal; /**< Whether the target is a signal rather than a frame. */</span>
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||||
<span id="L26"><span class="lineNum"> 26</span> : : std::string signalName; /**< Target signal name. */</span>
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||||
<span id="L27"><span class="lineNum"> 27</span> : : std::string comment; /**< Unescaped comment text. */</span>
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||||
<span id="L28"><span class="lineNum"> 28</span> : : std::size_t lineNumber; /**< One-based physical statement line. */</span>
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||||
<span id="L29"><span class="lineNum"> 29</span> : : };</span>
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<span id="L30"><span class="lineNum"> 30</span> : : </span>
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<span id="L31"><span class="lineNum"> 31</span> : : /** Carries deferred validation locations without parsing exception text. */</span>
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<span id="L32"><span class="lineNum"> 32</span> : : class DbcDiagnosticError : public std::runtime_error {</span>
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<span id="L33"><span class="lineNum"> 33</span> : : public:</span>
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<span id="L34"><span class="lineNum"> 34</span> : : /** @brief Create an exception with a structured source diagnostic. */</span>
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<span id="L35"><span class="lineNum"> 35</span> :<span class="tlaGNC"> 438 : DbcDiagnosticError(DbcDiagnosticCode code, const std::string &filePath,</span></span>
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||||
<span id="L36"><span class="lineNum"> 36</span> : : std::size_t lineNumber, const std::string &message)</span>
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||||
<span id="L37"><span class="lineNum"> 37</span> [<span class="tlaGBC" title="Branch 0 was taken 438 times"> + </span><span class="tlaUNC" title="Branch 1 was not taken"> - </span><span class="tlaGBC" title="Branch 2 was taken 438 times"> + </span><span class="tlaUNC" title="Branch 3 was not taken"> - </span> :<span class="tlaGNC"> 876 : : std::runtime_error(filePath + ":" + std::to_string(lineNumber) + ": " + message),</span></span>
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<span class="lineNum"> </span> <span class="tlaGBC" title="Branch 4 was taken 438 times"> + </span><span class="tlaUNC" title="Branch 5 was not taken"> - </span><span class="tlaGBC" title="Branch 6 was taken 438 times"> + </span><span class="tlaUNC" title="Branch 7 was not taken"> - </span>]
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<span id="L38"><span class="lineNum"> 38</span> [<span class="tlaGBC" title="Branch 0 was taken 438 times"> + </span><span class="tlaUNC" title="Branch 1 was not taken"> - </span><span class="tlaGBC" title="Branch 2 was taken 438 times"> + </span><span class="tlaUNC" title="Branch 3 was not taken"> - </span> :<span class="tlaGNC"> 1314 : diagnostic{DbcDiagnosticSeverity::Error, code, filePath, lineNumber, message} {}</span></span>
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||||
<span class="lineNum"> </span> <span class="tlaGBC" title="Branch 4 was taken 438 times"> + </span><span class="tlaUNC" title="Branch 5 was not taken"> - </span><span class="tlaGBC" title="Branch 6 was taken 438 times"> + </span><span class="tlaUNC" title="Branch 7 was not taken"> - </span><span class="tlaUNC" title="Branch 8 was not taken"> - </span>
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||||
<span class="lineNum"> </span> <span class="tlaUNC" title="Branch 9 was not taken"> - </span>]
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||||
<span id="L39"><span class="lineNum"> 39</span> : : </span>
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||||
<span id="L40"><span class="lineNum"> 40</span> : : DbcDiagnostic diagnostic; /**< Structured error accompanying the exception message. */</span>
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||||
<span id="L41"><span class="lineNum"> 41</span> : : };</span>
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||||
<span id="L42"><span class="lineNum"> 42</span> : : </span>
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||||
<span id="L43"><span class="lineNum"> 43</span> : : /** @brief Attribute statement retained for ordered resolution. */</span>
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||||
<span id="L44"><span class="lineNum"> 44</span> : : struct PendingAttribute {</span>
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||||
<span id="L45"><span class="lineNum"> 45</span> : : std::string statement; /**< Complete attribute statement. */</span>
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||||
<span id="L46"><span class="lineNum"> 46</span> : : std::size_t lineNumber; /**< One-based physical statement line. */</span>
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||||
<span id="L47"><span class="lineNum"> 47</span> : : };</span>
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<span id="L48"><span class="lineNum"> 48</span> : : </span>
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<span id="L49"><span class="lineNum"> 49</span> : : /** Mutable state belonging to one file parse. Handlers do not retain it. */</span>
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<span id="L50"><span class="lineNum"> 50</span> : : struct DbcParseContext {</span>
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<span id="L51"><span class="lineNum"> 51</span> : : DbcDatabase &database; /**< Parsed metadata under construction. */</span>
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||||
<span id="L52"><span class="lineNum"> 52</span> : : FrameInfo *currentFrame = nullptr; /**< Current frame for following signal definitions. */</span>
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||||
<span id="L53"><span class="lineNum"> 53</span> : : bool enableJ1939 = false; /**< Explicit interpretation option for extended frames. */</span>
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||||
<span id="L54"><span class="lineNum"> 54</span> : : std::size_t lineNumber = 0U; /**< Physical line of the current statement. */</span>
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||||
<span id="L55"><span class="lineNum"> 55</span> : : std::vector<PendingValueDescriptions> pendingValues = {}; /**< Unresolved raw value descriptions. */</span>
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<span id="L56"><span class="lineNum"> 56</span> : : </span>
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<span id="L57"><span class="lineNum"> 57</span> : : std::vector<std::vector<std::size_t>> signalLines = {}; /**< Signal definition lines grouped by frame. */</span>
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<span id="L58"><span class="lineNum"> 58</span> : : /** @brief Validate selectors, branch ranges, and signal overlap. */</span>
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<span id="L59"><span class="lineNum"> 59</span> : : void ValidateMultiplexing(const std::string &filePath) const;</span>
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<span id="L60"><span class="lineNum"> 60</span> : : </span>
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<span id="L61"><span class="lineNum"> 61</span> : : std::vector<PendingComment> pendingComments = {}; /**< Unresolved comments in source order. */</span>
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||||
<span id="L62"><span class="lineNum"> 62</span> : : /** @brief Resolve deferred comments after all definitions are known. */</span>
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||||
<span id="L63"><span class="lineNum"> 63</span> : : void ResolveComments(const std::string &filePath);</span>
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||||
<span id="L64"><span class="lineNum"> 64</span> : : </span>
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||||
<span id="L65"><span class="lineNum"> 65</span> : : std::vector<PendingAttribute> pendingAttributes = {}; /**< Unresolved attributes in source order. */</span>
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<span id="L66"><span class="lineNum"> 66</span> : : /** @brief Resolve definitions, defaults, then assignments; append format warnings. */</span>
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||||
<span id="L67"><span class="lineNum"> 67</span> : : void ResolveAttributes(const std::string &filePath, std::vector<DbcDiagnostic> &diagnostics);</span>
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||||
<span id="L68"><span class="lineNum"> 68</span> : : </span>
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||||
<span id="L69"><span class="lineNum"> 69</span> : : /** @brief Resolve deferred raw descriptions against unique targets. */</span>
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<span id="L70"><span class="lineNum"> 70</span> : : void ResolveValueDescriptions(const std::string &filePath);</span>
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<span id="L71"><span class="lineNum"> 71</span> : : };</span>
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<span id="L72"><span class="lineNum"> 72</span> : : </span>
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<span id="L73"><span class="lineNum"> 73</span> : : /** @brief Interface for processing a registered DBC statement. */</span>
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<span id="L74"><span class="lineNum"> 74</span> : : class DbcStatementHandler {</span>
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<span id="L75"><span class="lineNum"> 75</span> : : public:</span>
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<span id="L76"><span class="lineNum"> 76</span> :<span class="tlaGNC"> 14250 : virtual ~DbcStatementHandler() = default;</span></span>
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<span id="L77"><span class="lineNum"> 77</span> : : /** @brief Process a trimmed statement using state belonging to this parse. */</span>
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<span id="L78"><span class="lineNum"> 78</span> : : virtual void Handle(const std::string &line, DbcParseContext &context) const = 0;</span>
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<span id="L79"><span class="lineNum"> 79</span> : : };</span>
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<span id="L80"><span class="lineNum"> 80</span> : : </span>
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<span id="L81"><span class="lineNum"> 81</span> : : /** @brief Parse and append frame definitions. */</span>
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<span id="L82"><span class="lineNum"> 82</span> : : class DbcFrameHandler : public DbcStatementHandler {</span>
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<span id="L83"><span class="lineNum"> 83</span> : : public:</span>
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<span id="L84"><span class="lineNum"> 84</span> : : void Handle(const std::string &line, DbcParseContext &context) const override;</span>
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<span id="L85"><span class="lineNum"> 85</span> : : </span>
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<span id="L86"><span class="lineNum"> 86</span> : : private:</span>
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<span id="L87"><span class="lineNum"> 87</span> : : static FrameInfo ParseFrameLine(const std::string &line);</span>
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<span id="L88"><span class="lineNum"> 88</span> : : };</span>
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<span id="L89"><span class="lineNum"> 89</span> : : </span>
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<span id="L90"><span class="lineNum"> 90</span> : : /** @brief Parse and append signals to the current frame. */</span>
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<span id="L91"><span class="lineNum"> 91</span> : : class DbcSignalHandler : public DbcStatementHandler {</span>
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<span id="L92"><span class="lineNum"> 92</span> : : public:</span>
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<span id="L93"><span class="lineNum"> 93</span> : : void Handle(const std::string &line, DbcParseContext &context) const override;</span>
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<span id="L94"><span class="lineNum"> 94</span> : : </span>
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<span id="L95"><span class="lineNum"> 95</span> : : private:</span>
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<span id="L96"><span class="lineNum"> 96</span> : : static SignalInfo ParseSignalLine(const std::string &line);</span>
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<span id="L97"><span class="lineNum"> 97</span> : : };</span>
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<span id="L98"><span class="lineNum"> 98</span> : : </span>
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<span id="L99"><span class="lineNum"> 99</span> : : /** @brief Defer frame and signal comments for target resolution. */</span>
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<span id="L100"><span class="lineNum"> 100</span> : : class DbcCommentHandler : public DbcStatementHandler {</span>
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<span id="L101"><span class="lineNum"> 101</span> : : public:</span>
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<span id="L102"><span class="lineNum"> 102</span> : : void Handle(const std::string &line, DbcParseContext &context) const override;</span>
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<span id="L103"><span class="lineNum"> 103</span> : : };</span>
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<span id="L104"><span class="lineNum"> 104</span> : : </span>
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<span id="L105"><span class="lineNum"> 105</span> : : /** @brief Defer typed attribute statements for resolution. */</span>
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<span id="L106"><span class="lineNum"> 106</span> : : class DbcAttributeHandler : public DbcStatementHandler {</span>
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<span id="L107"><span class="lineNum"> 107</span> : : public:</span>
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<span id="L108"><span class="lineNum"> 108</span> : : void Handle(const std::string &line, DbcParseContext &context) const override;</span>
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<span id="L109"><span class="lineNum"> 109</span> : : };</span>
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<span id="L110"><span class="lineNum"> 110</span> : : </span>
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||||
<span id="L111"><span class="lineNum"> 111</span> : : /** @brief Defer raw value descriptions for target resolution. */</span>
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<span id="L112"><span class="lineNum"> 112</span> : : class DbcValueDescriptionHandler : public DbcStatementHandler {</span>
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<span id="L113"><span class="lineNum"> 113</span> : : public:</span>
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<span id="L114"><span class="lineNum"> 114</span> : : void Handle(const std::string &line, DbcParseContext &context) const override;</span>
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<span id="L115"><span class="lineNum"> 115</span> : : };</span>
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<span id="L116"><span class="lineNum"> 116</span> : : </span>
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<span id="L117"><span class="lineNum"> 117</span> : : /** @brief Reject unsupported extended multiplexing statements. */</span>
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<span id="L118"><span class="lineNum"> 118</span> : : class DbcUnsupportedMultiplexingHandler : public DbcStatementHandler {</span>
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<span id="L119"><span class="lineNum"> 119</span> : : public:</span>
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<span id="L120"><span class="lineNum"> 120</span> : : void Handle(const std::string &line, DbcParseContext &context) const override;</span>
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<span id="L121"><span class="lineNum"> 121</span> : : };</span>
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<span id="L122"><span class="lineNum"> 122</span> : : </span>
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<span id="L123"><span class="lineNum"> 123</span> : : /** Common header metadata does not change the supported decode definitions. */</span>
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<span id="L124"><span class="lineNum"> 124</span> : : class DbcHeaderHandler : public DbcStatementHandler {</span>
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<span id="L125"><span class="lineNum"> 125</span> : : public:</span>
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<span id="L126"><span class="lineNum"> 126</span> : : void Handle(const std::string &line, DbcParseContext &context) const override;</span>
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<span id="L127"><span class="lineNum"> 127</span> : : };</span>
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<span id="L128"><span class="lineNum"> 128</span> : : </span>
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<span id="L129"><span class="lineNum"> 129</span> : : /** Exact-key dispatch to handlers created once per registration via TypeFactory. */</span>
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<span id="L130"><span class="lineNum"> 130</span> : : class DbcStatementDispatcher {</span>
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<span id="L131"><span class="lineNum"> 131</span> : : public:</span>
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<span id="L132"><span class="lineNum"> 132</span> : : /** @brief Register supported statement handlers through TypeFactory. */</span>
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<span id="L133"><span class="lineNum"> 133</span> : : DbcStatementDispatcher();</span>
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<span id="L134"><span class="lineNum"> 134</span> : : </span>
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<span id="L135"><span class="lineNum"> 135</span> : : /** @brief Register or replace a handler and create its reusable instance. */</span>
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<span id="L136"><span class="lineNum"> 136</span> : : template<class Handler></span>
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<span id="L137"><span class="lineNum"> 137</span> :<span class="tlaGNC"> 14236 : void RegisterType(const std::string &keyword) {</span></span>
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<span id="L138"><span class="lineNum"> 138</span> :<span class="tlaGNC"> 14236 : m_factory.registerType<Handler>(keyword);</span></span>
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<span id="L139"><span class="lineNum"> 139</span> [<span class="tlaGBC" title="Branch 0 was taken 14236 times"> + </span><span class="tlaUNC" title="Branch 1 was not taken"> - </span><span class="tlaGBC" title="Branch 2 was taken 14236 times"> + </span><span class="tlaUNC" title="Branch 3 was not taken"> - </span>]:<span class="tlaGNC"> 14236 : m_handlers.insert_or_assign(keyword, m_factory.create(keyword));</span></span>
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<span id="L140"><span class="lineNum"> 140</span> :<span class="tlaGNC"> 14236 : }</span></span>
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<span id="L141"><span class="lineNum"> 141</span> : : </span>
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<span id="L142"><span class="lineNum"> 142</span> : : /** Returns false for an unregistered keyword; input must be trimmed. */</span>
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<span id="L143"><span class="lineNum"> 143</span> : : bool Dispatch(const std::string &line, DbcParseContext &context) const;</span>
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<span id="L144"><span class="lineNum"> 144</span> : : </span>
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||||
<span id="L145"><span class="lineNum"> 145</span> : : private:</span>
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||||
<span id="L146"><span class="lineNum"> 146</span> : : using HandlerMap = std::unordered_map<std::string, std::shared_ptr<DbcStatementHandler>>;</span>
|
||||
<span id="L147"><span class="lineNum"> 147</span> : : TypeFactory<std::string, DbcStatementHandler> m_factory;</span>
|
||||
<span id="L148"><span class="lineNum"> 148</span> : : HandlerMap m_handlers;</span>
|
||||
<span id="L149"><span class="lineNum"> 149</span> : : };</span>
|
||||
<span id="L150"><span class="lineNum"> 150</span> : : </span>
|
||||
<span id="L151"><span class="lineNum"> 151</span> : : #endif /* DBC_STATEMENT_HANDLER_H */</span>
|
||||
</pre>
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
<br>
|
||||
|
||||
<table width="100%" border=0 cellspacing=0 cellpadding=0>
|
||||
<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
|
||||
<tr><td class="versionInfo">Generated by: <a href="https://github.com//linux-test-project/lcov" target="_parent">LCOV version 2.0-1</a></td></tr>
|
||||
</table>
|
||||
<br>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
Reference in new issue
Block a user