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| <a href="#func-members">Functions</a> </div> |
| <div class="headertitle"><div class="title">json_util_internal.h File Reference</div></div> |
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| |
| <p>Internal utilities for JSON serialization and deserialization. |
| <a href="#details">More...</a></p> |
| <div class="textblock"><code>#include <optional></code><br /> |
| <code>#include <nlohmann/json.hpp></code><br /> |
| <code>#include "iceberg/result.h"</code><br /> |
| <code>#include "iceberg/util/macros.h"</code><br /> |
| </div> |
| <p><a href="json__util__internal_8h_source.html">Go to the source code of this file.</a></p> |
| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr class="memitem:af9da7d5b61c59e8669b891e1ef21e2ea" id="r_af9da7d5b61c59e8669b891e1ef21e2ea"><td class="memTemplParams" colspan="2"><a id="af9da7d5b61c59e8669b891e1ef21e2ea" name="af9da7d5b61c59e8669b891e1ef21e2ea"></a> |
| template<typename T > </td></tr> |
| <tr class="memitem:af9da7d5b61c59e8669b891e1ef21e2ea"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>iceberg::SetOptionalField</b> (nlohmann::json &json, std::string_view key, const std::optional< T > &value)</td></tr> |
| <tr class="separator:af9da7d5b61c59e8669b891e1ef21e2ea"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a529e3791d70ecad7bf8c349cc926ecec" id="r_a529e3791d70ecad7bf8c349cc926ecec"><td class="memTemplParams" colspan="2"><a id="a529e3791d70ecad7bf8c349cc926ecec" name="a529e3791d70ecad7bf8c349cc926ecec"></a> |
| template<typename T > <br /> |
| requires requires(const T& t) { t.empty(); }</td></tr> |
| <tr class="memitem:a529e3791d70ecad7bf8c349cc926ecec"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>iceberg::SetContainerField</b> (nlohmann::json &json, std::string_view key, const T &value)</td></tr> |
| <tr class="separator:a529e3791d70ecad7bf8c349cc926ecec"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aafbded77a3105042caa4a4b78b9db058" id="r_aafbded77a3105042caa4a4b78b9db058"><td class="memItemLeft" align="right" valign="top"><a id="aafbded77a3105042caa4a4b78b9db058" name="aafbded77a3105042caa4a4b78b9db058"></a> |
| void </td><td class="memItemRight" valign="bottom"><b>iceberg::SetOptionalStringField</b> (nlohmann::json &json, std::string_view key, const std::string &value)</td></tr> |
| <tr class="separator:aafbded77a3105042caa4a4b78b9db058"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:af9f69f032af580ee1e9b0d39c7f7190d" id="r_af9f69f032af580ee1e9b0d39c7f7190d"><td class="memItemLeft" align="right" valign="top"><a id="af9f69f032af580ee1e9b0d39c7f7190d" name="af9f69f032af580ee1e9b0d39c7f7190d"></a> |
| std::string </td><td class="memItemRight" valign="bottom"><b>iceberg::SafeDumpJson</b> (const nlohmann::json &json)</td></tr> |
| <tr class="separator:af9f69f032af580ee1e9b0d39c7f7190d"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a1841ab8ace4f1ae169f2619239362f8b" id="r_a1841ab8ace4f1ae169f2619239362f8b"><td class="memTemplParams" colspan="2"><a id="a1841ab8ace4f1ae169f2619239362f8b" name="a1841ab8ace4f1ae169f2619239362f8b"></a> |
| template<typename T > </td></tr> |
| <tr class="memitem:a1841ab8ace4f1ae169f2619239362f8b"><td class="memTemplItemLeft" align="right" valign="top">Result< T > </td><td class="memTemplItemRight" valign="bottom"><b>iceberg::GetTypedJsonValue</b> (const nlohmann::json &json)</td></tr> |
| <tr class="separator:a1841ab8ace4f1ae169f2619239362f8b"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ae06dbc80d9a252a664de0581657b05ba" id="r_ae06dbc80d9a252a664de0581657b05ba"><td class="memTemplParams" colspan="2"><a id="ae06dbc80d9a252a664de0581657b05ba" name="ae06dbc80d9a252a664de0581657b05ba"></a> |
| template<typename T > </td></tr> |
| <tr class="memitem:ae06dbc80d9a252a664de0581657b05ba"><td class="memTemplItemLeft" align="right" valign="top">Result< T > </td><td class="memTemplItemRight" valign="bottom"><b>iceberg::GetJsonValueImpl</b> (const nlohmann::json &json, std::string_view key)</td></tr> |
| <tr class="separator:ae06dbc80d9a252a664de0581657b05ba"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aca6dc62f7a05bf6840d8676b3f72dad5" id="r_aca6dc62f7a05bf6840d8676b3f72dad5"><td class="memTemplParams" colspan="2"><a id="aca6dc62f7a05bf6840d8676b3f72dad5" name="aca6dc62f7a05bf6840d8676b3f72dad5"></a> |
| template<typename T > </td></tr> |
| <tr class="memitem:aca6dc62f7a05bf6840d8676b3f72dad5"><td class="memTemplItemLeft" align="right" valign="top">Result< std::optional< T > > </td><td class="memTemplItemRight" valign="bottom"><b>iceberg::GetJsonValueOptional</b> (const nlohmann::json &json, std::string_view key)</td></tr> |
| <tr class="separator:aca6dc62f7a05bf6840d8676b3f72dad5"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a7738777ca56543c63e4841d281da889b" id="r_a7738777ca56543c63e4841d281da889b"><td class="memTemplParams" colspan="2"><a id="a7738777ca56543c63e4841d281da889b" name="a7738777ca56543c63e4841d281da889b"></a> |
| template<typename T > </td></tr> |
| <tr class="memitem:a7738777ca56543c63e4841d281da889b"><td class="memTemplItemLeft" align="right" valign="top">Result< T > </td><td class="memTemplItemRight" valign="bottom"><b>iceberg::GetJsonValue</b> (const nlohmann::json &json, std::string_view key)</td></tr> |
| <tr class="separator:a7738777ca56543c63e4841d281da889b"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a893403b7a66a11c7eba2010199d45d3f" id="r_a893403b7a66a11c7eba2010199d45d3f"><td class="memTemplParams" colspan="2"><a id="a893403b7a66a11c7eba2010199d45d3f" name="a893403b7a66a11c7eba2010199d45d3f"></a> |
| template<typename T > </td></tr> |
| <tr class="memitem:a893403b7a66a11c7eba2010199d45d3f"><td class="memTemplItemLeft" align="right" valign="top">Result< T > </td><td class="memTemplItemRight" valign="bottom"><b>iceberg::GetJsonValueOrDefault</b> (const nlohmann::json &json, std::string_view key, T default_value=T{})</td></tr> |
| <tr class="separator:a893403b7a66a11c7eba2010199d45d3f"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a6d66b6e578120c0b7b68af47d88d5507" id="r_a6d66b6e578120c0b7b68af47d88d5507"><td class="memTemplParams" colspan="2">template<typename T > </td></tr> |
| <tr class="memitem:a6d66b6e578120c0b7b68af47d88d5507"><td class="memTemplItemLeft" align="right" valign="top">nlohmann::json::array_t </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="json__util__internal_8h.html#a6d66b6e578120c0b7b68af47d88d5507">iceberg::ToJsonList</a> (const std::vector< T > &<a class="el" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>)</td></tr> |
| <tr class="memdesc:a6d66b6e578120c0b7b68af47d88d5507"><td class="mdescLeft"> </td><td class="mdescRight">Convert a list of items to a json array. <br /></td></tr> |
| <tr class="separator:a6d66b6e578120c0b7b68af47d88d5507"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:af7ee6add14eb4fd8348cb5e7202dd3dd" id="r_af7ee6add14eb4fd8348cb5e7202dd3dd"><td class="memTemplParams" colspan="2"><a id="af7ee6add14eb4fd8348cb5e7202dd3dd" name="af7ee6add14eb4fd8348cb5e7202dd3dd"></a> |
| template<typename T > </td></tr> |
| <tr class="memitem:af7ee6add14eb4fd8348cb5e7202dd3dd"><td class="memTemplItemLeft" align="right" valign="top">nlohmann::json::array_t </td><td class="memTemplItemRight" valign="bottom"><b>iceberg::ToJsonList</b> (const std::vector< std::shared_ptr< T > > &<a class="el" href="group__type-factories.html#ga63d320f2972eee8c041fd5c98ecc1070">list</a>)</td></tr> |
| <tr class="memdesc:af7ee6add14eb4fd8348cb5e7202dd3dd"><td class="mdescLeft"> </td><td class="mdescRight">Overload of the above function for a list of shared pointers. <br /></td></tr> |
| <tr class="separator:af7ee6add14eb4fd8348cb5e7202dd3dd"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a3d23a30b4c82f5f7446f10d45b9602b1" id="r_a3d23a30b4c82f5f7446f10d45b9602b1"><td class="memTemplParams" colspan="2">template<typename T > </td></tr> |
| <tr class="memitem:a3d23a30b4c82f5f7446f10d45b9602b1"><td class="memTemplItemLeft" align="right" valign="top">Result< std::vector< T > > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="json__util__internal_8h.html#a3d23a30b4c82f5f7446f10d45b9602b1">iceberg::FromJsonList</a> (const nlohmann::json &json, std::string_view key, const std::function< Result< T >(const nlohmann::json &)> &from_json)</td></tr> |
| <tr class="memdesc:a3d23a30b4c82f5f7446f10d45b9602b1"><td class="mdescLeft"> </td><td class="mdescRight">Parse a list of items from a JSON object. <br /></td></tr> |
| <tr class="separator:a3d23a30b4c82f5f7446f10d45b9602b1"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a707033e113ea70c489eac856fb1e138a" id="r_a707033e113ea70c489eac856fb1e138a"><td class="memTemplParams" colspan="2">template<typename T > </td></tr> |
| <tr class="memitem:a707033e113ea70c489eac856fb1e138a"><td class="memTemplItemLeft" align="right" valign="top">Result< std::vector< std::shared_ptr< T > > > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="json__util__internal_8h.html#a707033e113ea70c489eac856fb1e138a">iceberg::FromJsonList</a> (const nlohmann::json &json, std::string_view key, const std::function< Result< std::shared_ptr< T > >(const nlohmann::json &)> &from_json)</td></tr> |
| <tr class="memdesc:a707033e113ea70c489eac856fb1e138a"><td class="mdescLeft"> </td><td class="mdescRight">Parse a list of items from a JSON object. <br /></td></tr> |
| <tr class="separator:a707033e113ea70c489eac856fb1e138a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ad1d4ee030801ebcf03776330e88892f0" id="r_ad1d4ee030801ebcf03776330e88892f0"><td class="memTemplParams" colspan="2">template<typename T > </td></tr> |
| <tr class="memitem:ad1d4ee030801ebcf03776330e88892f0"><td class="memTemplItemLeft" align="right" valign="top">nlohmann::json::object_t </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="json__util__internal_8h.html#ad1d4ee030801ebcf03776330e88892f0">iceberg::ToJsonMap</a> (const std::unordered_map< std::string, T > &<a class="el" href="group__type-factories.html#ga4d0b2254f39850e311ffed558e1bac7b">map</a>)</td></tr> |
| <tr class="memdesc:ad1d4ee030801ebcf03776330e88892f0"><td class="mdescLeft"> </td><td class="mdescRight">Convert a map of type <std::string, T> to a json object. <br /></td></tr> |
| <tr class="separator:ad1d4ee030801ebcf03776330e88892f0"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a80325617fb5fc90c9fb498cdb9747527" id="r_a80325617fb5fc90c9fb498cdb9747527"><td class="memTemplParams" colspan="2"><a id="a80325617fb5fc90c9fb498cdb9747527" name="a80325617fb5fc90c9fb498cdb9747527"></a> |
| template<typename T > </td></tr> |
| <tr class="memitem:a80325617fb5fc90c9fb498cdb9747527"><td class="memTemplItemLeft" align="right" valign="top">nlohmann::json::object_t </td><td class="memTemplItemRight" valign="bottom"><b>iceberg::ToJsonMap</b> (const std::unordered_map< std::string, std::shared_ptr< T > > &<a class="el" href="group__type-factories.html#ga4d0b2254f39850e311ffed558e1bac7b">map</a>)</td></tr> |
| <tr class="memdesc:a80325617fb5fc90c9fb498cdb9747527"><td class="mdescLeft"> </td><td class="mdescRight">Overload of the above function for a map of type <std::string, std::shared_ptr<T>>. <br /></td></tr> |
| <tr class="separator:a80325617fb5fc90c9fb498cdb9747527"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aea48855e71f270ff7827615a9fa732d5" id="r_aea48855e71f270ff7827615a9fa732d5"><td class="memTemplParams" colspan="2">template<typename T = std::string> </td></tr> |
| <tr class="memitem:aea48855e71f270ff7827615a9fa732d5"><td class="memTemplItemLeft" align="right" valign="top">Result< std::unordered_map< std::string, T > > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="json__util__internal_8h.html#aea48855e71f270ff7827615a9fa732d5">iceberg::FromJsonMap</a> (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 <a class="el" href="group__type-factories.html#ga877a22ff733d9ca08b85258b8decbcdb">string</a> value: {}", SafeDumpJson(json), ex.what());} })</td></tr> |
| <tr class="memdesc:aea48855e71f270ff7827615a9fa732d5"><td class="mdescLeft"> </td><td class="mdescRight">Parse a map of type <std::string, T> from a JSON object. <br /></td></tr> |
| <tr class="separator:aea48855e71f270ff7827615a9fa732d5"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>Internal utilities for JSON serialization and deserialization. </p> |
| </div><h2 class="groupheader">Function Documentation</h2> |
| <a id="a707033e113ea70c489eac856fb1e138a" name="a707033e113ea70c489eac856fb1e138a"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a707033e113ea70c489eac856fb1e138a">◆ </a></span>FromJsonList() <span class="overload">[1/2]</span></h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <div class="memtemplate"> |
| template<typename T > </div> |
| <table class="memname"> |
| <tr> |
| <td class="memname">Result< std::vector< std::shared_ptr< T > > > iceberg::FromJsonList </td> |
| <td>(</td> |
| <td class="paramtype">const nlohmann::json & </td> |
| <td class="paramname"><em>json</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">std::string_view </td> |
| <td class="paramname"><em>key</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const std::function< Result< std::shared_ptr< T > >(const nlohmann::json &)> & </td> |
| <td class="paramname"><em>from_json</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Parse a list of items from a JSON object. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">json</td><td>The JSON object to parse. </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">key</td><td>The key to parse. </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">from_json</td><td>The function to parse an item from a JSON object. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>The list of items. </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a3d23a30b4c82f5f7446f10d45b9602b1" name="a3d23a30b4c82f5f7446f10d45b9602b1"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a3d23a30b4c82f5f7446f10d45b9602b1">◆ </a></span>FromJsonList() <span class="overload">[2/2]</span></h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <div class="memtemplate"> |
| template<typename T > </div> |
| <table class="memname"> |
| <tr> |
| <td class="memname">Result< std::vector< T > > iceberg::FromJsonList </td> |
| <td>(</td> |
| <td class="paramtype">const nlohmann::json & </td> |
| <td class="paramname"><em>json</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">std::string_view </td> |
| <td class="paramname"><em>key</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const std::function< Result< T >(const nlohmann::json &)> & </td> |
| <td class="paramname"><em>from_json</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Parse a list of items from a JSON object. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">json</td><td>The JSON object to parse. </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">key</td><td>The key to parse. </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">from_json</td><td>The function to parse an item from a JSON object. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>The list of items. </dd></dl> |
| |
| </div> |
| </div> |
| <a id="aea48855e71f270ff7827615a9fa732d5" name="aea48855e71f270ff7827615a9fa732d5"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aea48855e71f270ff7827615a9fa732d5">◆ </a></span>FromJsonMap()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <div class="memtemplate"> |
| template<typename T = std::string> </div> |
| <table class="memname"> |
| <tr> |
| <td class="memname">Result< std::unordered_map< std::string, T > > iceberg::FromJsonMap </td> |
| <td>(</td> |
| <td class="paramtype">const nlohmann::json & </td> |
| <td class="paramname"><em>json</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">std::string_view </td> |
| <td class="paramname"><em>key</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const std::function< Result< T >(const nlohmann::json &)> & </td> |
| <td class="paramname"><em>from_json</em> = <code>[](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 <a class="el" href="group__type-factories.html#ga877a22ff733d9ca08b85258b8decbcdb">string</a> value: {}", SafeDumpJson(json),                              ex.what()); } }</code> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Parse a map of type <std::string, T> from a JSON object. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">json</td><td>The JSON object to parse. </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">key</td><td>The key to parse. </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">from_json</td><td>The function to parse an item from a JSON object. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>The map of items. </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a6d66b6e578120c0b7b68af47d88d5507" name="a6d66b6e578120c0b7b68af47d88d5507"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a6d66b6e578120c0b7b68af47d88d5507">◆ </a></span>ToJsonList()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <div class="memtemplate"> |
| template<typename T > </div> |
| <table class="memname"> |
| <tr> |
| <td class="memname">nlohmann::json::array_t iceberg::ToJsonList </td> |
| <td>(</td> |
| <td class="paramtype">const std::vector< T > & </td> |
| <td class="paramname"><em>list</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Convert a list of items to a json array. </p> |
| <p>Note that ToJson(const T&) is required for this function to work. </p> |
| |
| </div> |
| </div> |
| <a id="ad1d4ee030801ebcf03776330e88892f0" name="ad1d4ee030801ebcf03776330e88892f0"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ad1d4ee030801ebcf03776330e88892f0">◆ </a></span>ToJsonMap()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <div class="memtemplate"> |
| template<typename T > </div> |
| <table class="memname"> |
| <tr> |
| <td class="memname">nlohmann::json::object_t iceberg::ToJsonMap </td> |
| <td>(</td> |
| <td class="paramtype">const std::unordered_map< std::string, T > & </td> |
| <td class="paramname"><em>map</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Convert a map of type <std::string, T> to a json object. </p> |
| <p>Note that ToJson(const T&) is required for this function to work. </p> |
| |
| </div> |
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