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| <a href="json__util__internal_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div> |
| <div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> * under the License.</span></div> |
| <div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> */</span></div> |
| <div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div> |
| <div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#pragma once</span></div> |
| <div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <optional></span></div> |
| <div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div> |
| <div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include <nlohmann/json.hpp></span></div> |
| <div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div> |
| <div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "iceberg/result.h"</span></div> |
| <div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "iceberg/util/macros.h"</span></div> |
| <div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div> |
| <div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div> |
| <div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">namespace </span>iceberg {</div> |
| <div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div> |
| <div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keywordtype">void</span> SetOptionalField(nlohmann::json& json, std::string_view key,</div> |
| <div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">const</span> std::optional<T>& value) {</div> |
| <div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordflow">if</span> (value.has_value()) {</div> |
| <div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> json[key] = *value;</div> |
| <div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> }</div> |
| <div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span>}</div> |
| <div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div> |
| <div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">requires</span> <span class="keyword">requires</span>(<span class="keyword">const</span> T& t) { t.empty(); }</div> |
| <div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="keywordtype">void</span> SetContainerField(nlohmann::json& json, std::string_view key, <span class="keyword">const</span> T& value) {</div> |
| <div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordflow">if</span> (!value.empty()) {</div> |
| <div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> json[key] = value;</div> |
| <div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> }</div> |
| <div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span>}</div> |
| <div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div> |
| <div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="keyword">inline</span> <span class="keywordtype">void</span> SetOptionalStringField(nlohmann::json& json, std::string_view key,</div> |
| <div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">const</span> std::string& value) {</div> |
| <div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">if</span> (!value.empty()) {</div> |
| <div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> json[key] = value;</div> |
| <div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> }</div> |
| <div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span>}</div> |
| <div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div> |
| <div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="keyword">inline</span> std::string SafeDumpJson(<span class="keyword">const</span> nlohmann::json& json) {</div> |
| <div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">return</span> json.dump(<span class="comment">/*indent=*/</span>-1, <span class="comment">/*indent_char=*/</span><span class="charliteral">' '</span>, <span class="comment">/*ensure_ascii=*/</span><span class="keyword">false</span>,</div> |
| <div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> nlohmann::detail::error_handler_t::ignore);</div> |
| <div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span>}</div> |
| <div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div> |
| <div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span>Result<T> GetTypedJsonValue(<span class="keyword">const</span> nlohmann::json& json) {</div> |
| <div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">try</span> {</div> |
| <div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">return</span> json.get<T>();</div> |
| <div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> } <span class="keywordflow">catch</span> (<span class="keyword">const</span> std::exception& ex) {</div> |
| <div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">return</span> JsonParseError(<span class="stringliteral">"Failed to parse {}: {}"</span>, SafeDumpJson(json), ex.what());</div> |
| <div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div> |
| <div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span>}</div> |
| <div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div> |
| <div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span>Result<T> GetJsonValueImpl(<span class="keyword">const</span> nlohmann::json& json, std::string_view key) {</div> |
| <div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">try</span> {</div> |
| <div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span> json.at(key).get<T>();</div> |
| <div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> } <span class="keywordflow">catch</span> (<span class="keyword">const</span> std::exception& ex) {</div> |
| <div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">return</span> JsonParseError(<span class="stringliteral">"Failed to parse '{}' from {}: {}"</span>, key, SafeDumpJson(json),</div> |
| <div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> ex.what());</div> |
| <div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> }</div> |
| <div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span>}</div> |
| <div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div> |
| <div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span>Result<std::optional<T>> GetJsonValueOptional(<span class="keyword">const</span> nlohmann::json& json,</div> |
| <div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> std::string_view key) {</div> |
| <div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">if</span> (!json.contains(key) || json.at(key).is_null()) {</div> |
| <div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">return</span> std::nullopt;</div> |
| <div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> }</div> |
| <div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> ICEBERG_ASSIGN_OR_RAISE(<span class="keyword">auto</span> value, GetJsonValueImpl<T>(json, key));</div> |
| <div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">return</span> std::optional<T>(std::move(value));</div> |
| <div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span>}</div> |
| <div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div> |
| <div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span>Result<T> GetJsonValue(<span class="keyword">const</span> nlohmann::json& json, std::string_view key) {</div> |
| <div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">if</span> (!json.contains(key) || json.at(key).is_null()) {</div> |
| <div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> JsonParseError(<span class="stringliteral">"Missing '{}' in {}"</span>, key, SafeDumpJson(json));</div> |
| <div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> }</div> |
| <div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">return</span> GetJsonValueImpl<T>(json, key);</div> |
| <div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span>}</div> |
| <div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div> |
| <div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span>Result<T> GetJsonValueOrDefault(<span class="keyword">const</span> nlohmann::json& json, std::string_view key,</div> |
| <div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> T default_value = T{}) {</div> |
| <div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">if</span> (!json.contains(key) || json.at(key).is_null()) {</div> |
| <div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">return</span> default_value;</div> |
| <div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> }</div> |
| <div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">return</span> GetJsonValueImpl<T>(json, key);</div> |
| <div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span>}</div> |
| <div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div> |
| <div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="foldopen" id="foldopen00112" data-start="{" data-end="}"> |
| <div class="line"><a id="l00112" name="l00112"></a><span class="lineno"><a class="line" href="json__util__internal_8h.html#a6d66b6e578120c0b7b68af47d88d5507"> 112</a></span>nlohmann::json::array_t <a class="code hl_function" href="json__util__internal_8h.html#a6d66b6e578120c0b7b68af47d88d5507">ToJsonList</a>(<span class="keyword">const</span> std::vector<T>& <a class="code hl_function" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>) {</div> |
| <div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">return</span> std::accumulate(<a class="code hl_function" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>.cbegin(), <a class="code hl_function" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>.cend(), nlohmann::json::array(),</div> |
| <div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> [](nlohmann::json::array_t arr, <span class="keyword">const</span> T& item) {</div> |
| <div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> arr.push_back(ToJson(item));</div> |
| <div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> return arr;</div> |
| <div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> });</div> |
| <div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span>}</div> |
| </div> |
| <div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div> |
| <div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="foldopen" id="foldopen00122" data-start="{" data-end="}"> |
| <div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="json__util__internal_8h.html#af7ee6add14eb4fd8348cb5e7202dd3dd"> 122</a></span>nlohmann::json::array_t <a class="code hl_function" href="json__util__internal_8h.html#a6d66b6e578120c0b7b68af47d88d5507">ToJsonList</a>(<span class="keyword">const</span> std::vector<std::shared_ptr<T>>& <a class="code hl_function" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>) {</div> |
| <div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">return</span> std::accumulate(<a class="code hl_function" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>.cbegin(), <a class="code hl_function" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>.cend(), nlohmann::json::array(),</div> |
| <div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> [](nlohmann::json::array_t arr, <span class="keyword">const</span> std::shared_ptr<T>& item) {</div> |
| <div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> arr.push_back(ToJson(*item));</div> |
| <div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> return arr;</div> |
| <div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> });</div> |
| <div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span>}</div> |
| </div> |
| <div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div> |
| <div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="foldopen" id="foldopen00137" data-start="{" data-end="}"> |
| <div class="line"><a id="l00137" name="l00137"></a><span class="lineno"><a class="line" href="json__util__internal_8h.html#a3d23a30b4c82f5f7446f10d45b9602b1"> 137</a></span>Result<std::vector<T>> <a class="code hl_function" href="json__util__internal_8h.html#a3d23a30b4c82f5f7446f10d45b9602b1">FromJsonList</a>(</div> |
| <div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">const</span> nlohmann::json& json, std::string_view key,</div> |
| <div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">const</span> std::function<Result<T>(<span class="keyword">const</span> nlohmann::json&)>& from_json) {</div> |
| <div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> std::vector<T> <a class="code hl_function" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>{};</div> |
| <div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">if</span> (json.contains(key)) {</div> |
| <div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> ICEBERG_ASSIGN_OR_RAISE(<span class="keyword">auto</span> list_json, GetJsonValue<nlohmann::json>(json, key));</div> |
| <div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">if</span> (!list_json.is_array()) {</div> |
| <div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">return</span> JsonParseError(<span class="stringliteral">"Cannot parse '{}' from non-array: {}"</span>, key,</div> |
| <div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> SafeDumpJson(list_json));</div> |
| <div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> }</div> |
| <div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry_json : list_json) {</div> |
| <div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> ICEBERG_ASSIGN_OR_RAISE(<span class="keyword">auto</span> entry, from_json(entry_json));</div> |
| <div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <a class="code hl_function" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>.emplace_back(std::move(entry));</div> |
| <div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> }</div> |
| <div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> }</div> |
| <div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">return</span> <a class="code hl_function" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>;</div> |
| <div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span>}</div> |
| </div> |
| <div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div> |
| <div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="foldopen" id="foldopen00162" data-start="{" data-end="}"> |
| <div class="line"><a id="l00162" name="l00162"></a><span class="lineno"><a class="line" href="json__util__internal_8h.html#a707033e113ea70c489eac856fb1e138a"> 162</a></span>Result<std::vector<std::shared_ptr<T>>> <a class="code hl_function" href="json__util__internal_8h.html#a3d23a30b4c82f5f7446f10d45b9602b1">FromJsonList</a>(</div> |
| <div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">const</span> nlohmann::json& json, std::string_view key,</div> |
| <div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">const</span> std::function<Result<std::shared_ptr<T>>(<span class="keyword">const</span> nlohmann::json&)>& from_json) {</div> |
| <div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> std::vector<std::shared_ptr<T>> <a class="code hl_function" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>{};</div> |
| <div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordflow">if</span> (json.contains(key)) {</div> |
| <div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> ICEBERG_ASSIGN_OR_RAISE(<span class="keyword">auto</span> list_json, GetJsonValue<nlohmann::json>(json, key));</div> |
| <div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">if</span> (!list_json.is_array()) {</div> |
| <div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">return</span> JsonParseError(<span class="stringliteral">"Cannot parse '{}' from non-array: {}"</span>, key,</div> |
| <div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> SafeDumpJson(list_json));</div> |
| <div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> }</div> |
| <div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry_json : list_json) {</div> |
| <div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> ICEBERG_ASSIGN_OR_RAISE(<span class="keyword">auto</span> entry, from_json(entry_json));</div> |
| <div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <a class="code hl_function" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>.emplace_back(std::move(entry));</div> |
| <div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> }</div> |
| <div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> }</div> |
| <div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keywordflow">return</span> <a class="code hl_function" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>;</div> |
| <div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span>}</div> |
| </div> |
| <div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> </div> |
| <div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="foldopen" id="foldopen00184" data-start="{" data-end="}"> |
| <div class="line"><a id="l00184" name="l00184"></a><span class="lineno"><a class="line" href="json__util__internal_8h.html#ad1d4ee030801ebcf03776330e88892f0"> 184</a></span>nlohmann::json::object_t <a class="code hl_function" href="json__util__internal_8h.html#ad1d4ee030801ebcf03776330e88892f0">ToJsonMap</a>(<span class="keyword">const</span> std::unordered_map<std::string, T>& <a class="code hl_function" href="group__type-factories.html#ga4d0b2254f39850e311ffed558e1bac7b">map</a>) {</div> |
| <div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordflow">return</span> std::accumulate(<a class="code hl_function" href="group__type-factories.html#ga4d0b2254f39850e311ffed558e1bac7b">map</a>.cbegin(), <a class="code hl_function" href="group__type-factories.html#ga4d0b2254f39850e311ffed558e1bac7b">map</a>.cend(), nlohmann::json::object(),</div> |
| <div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> [](nlohmann::json::object_t obj, <span class="keyword">const</span> <span class="keyword">auto</span>& item) {</div> |
| <div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> obj[item.first] = ToJson(item.second);</div> |
| <div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> return obj;</div> |
| <div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> });</div> |
| <div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span>}</div> |
| </div> |
| <div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div> |
| <div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="foldopen" id="foldopen00195" data-start="{" data-end="}"> |
| <div class="line"><a id="l00195" name="l00195"></a><span class="lineno"><a class="line" href="json__util__internal_8h.html#a80325617fb5fc90c9fb498cdb9747527"> 195</a></span>nlohmann::json::object_t <a class="code hl_function" href="json__util__internal_8h.html#ad1d4ee030801ebcf03776330e88892f0">ToJsonMap</a>(</div> |
| <div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">const</span> std::unordered_map<std::string, std::shared_ptr<T>>& <a class="code hl_function" href="group__type-factories.html#ga4d0b2254f39850e311ffed558e1bac7b">map</a>) {</div> |
| <div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">return</span> std::accumulate(<a class="code hl_function" href="group__type-factories.html#ga4d0b2254f39850e311ffed558e1bac7b">map</a>.cbegin(), <a class="code hl_function" href="group__type-factories.html#ga4d0b2254f39850e311ffed558e1bac7b">map</a>.cend(), nlohmann::json::object(),</div> |
| <div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> [](nlohmann::json::object_t obj, <span class="keyword">const</span> <span class="keyword">auto</span>& item) {</div> |
| <div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> obj[item.first] = ToJson(*item.second);</div> |
| <div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> return obj;</div> |
| <div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> });</div> |
| <div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span>}</div> |
| </div> |
| <div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div> |
| <div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span><span class="keyword">template</span> <<span class="keyword">typename</span> T = std::<span class="keywordtype">string</span>></div> |
| <div class="foldopen" id="foldopen00211" data-start="{" data-end="}"> |
| <div class="line"><a id="l00211" name="l00211"></a><span class="lineno"><a class="line" href="json__util__internal_8h.html#aea48855e71f270ff7827615a9fa732d5"> 211</a></span>Result<std::unordered_map<std::string, T>> <a class="code hl_function" href="json__util__internal_8h.html#aea48855e71f270ff7827615a9fa732d5">FromJsonMap</a>(</div> |
| <div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keyword">const</span> nlohmann::json& json, std::string_view key,</div> |
| <div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keyword">const</span> std::function<Result<T>(<span class="keyword">const</span> nlohmann::json&)>& from_json =</div> |
| <div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> [](<span class="keyword">const</span> nlohmann::json& json) -> Result<T> {</div> |
| <div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keyword">static_assert</span>(std::is_same_v<T, std::string>, <span class="stringliteral">"T must be std::string"</span>);</div> |
| <div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">try</span> {</div> |
| <div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keywordflow">return</span> json.get<std::string>();</div> |
| <div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> } <span class="keywordflow">catch</span> (<span class="keyword">const</span> std::exception& ex) {</div> |
| <div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keywordflow">return</span> JsonParseError(<span class="stringliteral">"Cannot parse {} to a string value: {}"</span>, SafeDumpJson(json),</div> |
| <div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> ex.what());</div> |
| <div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> }</div> |
| <div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> }) {</div> |
| <div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> std::unordered_map<std::string, T> <a class="code hl_function" href="group__type-factories.html#ga4d0b2254f39850e311ffed558e1bac7b">map</a>{};</div> |
| <div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordflow">if</span> (json.contains(key)) {</div> |
| <div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> ICEBERG_ASSIGN_OR_RAISE(<span class="keyword">auto</span> map_json, GetJsonValue<nlohmann::json>(json, key));</div> |
| <div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">if</span> (!map_json.is_object()) {</div> |
| <div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordflow">return</span> JsonParseError(<span class="stringliteral">"Cannot parse '{}' from non-object: {}"</span>, key,</div> |
| <div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> SafeDumpJson(map_json));</div> |
| <div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> }</div> |
| <div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& [key, value] : map_json.items()) {</div> |
| <div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> ICEBERG_ASSIGN_OR_RAISE(<span class="keyword">auto</span> entry, from_json(value));</div> |
| <div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <a class="code hl_function" href="group__type-factories.html#ga4d0b2254f39850e311ffed558e1bac7b">map</a>[key] = std::move(entry);</div> |
| <div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> }</div> |
| <div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> }</div> |
| <div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordflow">return</span> <a class="code hl_function" href="group__type-factories.html#ga4d0b2254f39850e311ffed558e1bac7b">map</a>;</div> |
| <div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span>}</div> |
| </div> |
| <div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> </div> |
| <div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span>} <span class="comment">// namespace iceberg</span></div> |
| <div class="ttc" id="agroup__type-factories_html_ga4d0b2254f39850e311ffed558e1bac7b"><div class="ttname"><a href="group__type-factories.html#ga4d0b2254f39850e311ffed558e1bac7b">iceberg::map</a></div><div class="ttdeci">std::shared_ptr< MapType > map(SchemaField key, SchemaField value)</div><div class="ttdoc">Create a MapType with the given key and value fields.</div><div class="ttdef"><b>Definition</b> type.cc:388</div></div> |
| <div class="ttc" id="agroup__type-factories_html_ga63d320f2972eee8c041fd5c98ecc1070"><div class="ttname"><a href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">iceberg::list</a></div><div class="ttdeci">std::shared_ptr< ListType > list(SchemaField element)</div><div class="ttdoc">Create a ListType with the given element field.</div><div class="ttdef"><b>Definition</b> type.cc:392</div></div> |
| <div class="ttc" id="ajson__util__internal_8h_html_a3d23a30b4c82f5f7446f10d45b9602b1"><div class="ttname"><a href="json__util__internal_8h.html#a3d23a30b4c82f5f7446f10d45b9602b1">iceberg::FromJsonList</a></div><div class="ttdeci">Result< std::vector< T > > FromJsonList(const nlohmann::json &json, std::string_view key, const std::function< Result< T >(const nlohmann::json &)> &from_json)</div><div class="ttdoc">Parse a list of items from a JSON object.</div><div class="ttdef"><b>Definition</b> json_util_internal.h:137</div></div> |
| <div class="ttc" id="ajson__util__internal_8h_html_a6d66b6e578120c0b7b68af47d88d5507"><div class="ttname"><a href="json__util__internal_8h.html#a6d66b6e578120c0b7b68af47d88d5507">iceberg::ToJsonList</a></div><div class="ttdeci">nlohmann::json::array_t ToJsonList(const std::vector< T > &list)</div><div class="ttdoc">Convert a list of items to a json array.</div><div class="ttdef"><b>Definition</b> json_util_internal.h:112</div></div> |
| <div class="ttc" id="ajson__util__internal_8h_html_ad1d4ee030801ebcf03776330e88892f0"><div class="ttname"><a href="json__util__internal_8h.html#ad1d4ee030801ebcf03776330e88892f0">iceberg::ToJsonMap</a></div><div class="ttdeci">nlohmann::json::object_t ToJsonMap(const std::unordered_map< std::string, T > &map)</div><div class="ttdoc">Convert a map of type <std::string, T> to a json object.</div><div class="ttdef"><b>Definition</b> json_util_internal.h:184</div></div> |
| <div class="ttc" id="ajson__util__internal_8h_html_aea48855e71f270ff7827615a9fa732d5"><div class="ttname"><a href="json__util__internal_8h.html#aea48855e71f270ff7827615a9fa732d5">iceberg::FromJsonMap</a></div><div class="ttdeci">Result< std::unordered_map< std::string, T > > FromJsonMap(const nlohmann::json &json, std::string_view key, const std::function< Result< T >(const nlohmann::json &)> &from_json=[](const nlohmann::json &json) -> Result< T > { static_assert(std::is_same_v< T, std::string >, "T must be std::string");try { return json.get< std::string >();} catch(const std::exception &ex) { return JsonParseError("Cannot parse {} to a string value: {}", SafeDumpJson(json), ex.what());} })</div><div class="ttdoc">Parse a map of type <std::string, T> from a JSON object.</div><div class="ttdef"><b>Definition</b> json_util_internal.h:211</div></div> |
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