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@@ -55,7 +55,7 @@
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<span class=w> </span><span class=p>}</span>
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<span class=p>}</span>
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</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>[json.exception.type_error.302] type must be number, but is string
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</code></pre></div> <p>This exception can be hard to debug if storing the value <code class=highlight><span class=s>"12"</span></code> and accessing it is further apart.</p> </details> <p>To create better diagnostics messages, each <abbr title="JavaScript Object Notation">JSON</abbr> value needs a pointer to its parent value such that a global context (i.e., a path from the root value to the value that lead to the exception) can be created. That global context is provided as <a href=../../features/json_pointer/ ><abbr title="JavaScript Object Notation">JSON</abbr> Pointer</a>.</p> <p>As this global context comes at the price of storing one additional pointer per <abbr title="JavaScript Object Notation">JSON</abbr> value and runtime overhead to maintain the parent relation, extended diagnostics are disabled by default. They can, however, be enabled by defining the preprocessor symbol <a href=../../api/macros/json_diagnostics/ ><code>JSON_DIAGNOSTICS</code></a> to <code>1</code> before including <code>json.hpp</code>.</p> <details class=example> <summary>Example</summary> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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</code></pre></div> <p>This exception can be hard to debug if storing the value <code class=highlight><span class=s>"12"</span></code> and accessing it is further apart.</p> </details> <p>To create better diagnostics messages, each <abbr title="JavaScript Object Notation">JSON</abbr> value needs a pointer to its parent value such that a global context (i.e., a path from the root value to the value that led to the exception) can be created. That global context is provided as <a href=../../features/json_pointer/ ><abbr title="JavaScript Object Notation">JSON</abbr> Pointer</a>.</p> <p>As this global context comes at the price of storing one additional pointer per <abbr title="JavaScript Object Notation">JSON</abbr> value and runtime overhead to maintain the parent relation, extended diagnostics are disabled by default. They can, however, be enabled by defining the preprocessor symbol <a href=../../api/macros/json_diagnostics/ ><code>JSON_DIAGNOSTICS</code></a> to <code>1</code> before including <code>json.hpp</code>.</p> <details class=example> <summary>Example</summary> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp># define JSON_DIAGNOSTICS 1</span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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@@ -78,7 +78,7 @@
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<span class=w> </span><span class=p>}</span>
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<span class=p>}</span>
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</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>[json.exception.type_error.302] (/address/housenumber) type must be number, but is string
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</code></pre></div> <p>Now the exception message contains a <abbr title="JavaScript Object Notation">JSON</abbr> Pointer <code>/address/housenumber</code> that indicates which value has the wrong type.</p> </details> <p>See <a href=../../api/macros/json_diagnostics/ >documentation of <code>JSON_DIAGNOSTICS</code></a> for more information.</p> <h2 id=parse-errors>Parse errors<a class=headerlink href=#parse-errors title="Permanent link">¶</a></h2> <p>This exception is thrown by the library when a parse error occurs. Parse errors can occur during the deserialization of <abbr title="JavaScript Object Notation">JSON</abbr> text, <abbr title="Concise Binary Object Representation">CBOR</abbr>, MessagePack, as well as when using <abbr title="JavaScript Object Notation">JSON</abbr> Patch.</p> <p>Exceptions have ids 1xx.</p> <div class="admonition info"> <p class=admonition-title>Byte index</p> <p>Member <code>byte</code> holds the byte index of the last read character in the input file.</p> <p>For an input with n bytes, 1 is the index of the first character and n+1 is the index of the terminating null byte or the end of file. This also holds true when reading a byte vector (<abbr title="Concise Binary Object Representation">CBOR</abbr> or MessagePack).</p> </div> <details class=example> <summary>Example</summary> <p>The following code shows how a <code>parse_error</code> exception can be caught.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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</code></pre></div> <p>Now the exception message contains a <abbr title="JavaScript Object Notation">JSON</abbr> Pointer <code>/address/housenumber</code> that indicates which value has the wrong type.</p> </details> <p>See <a href=../../api/macros/json_diagnostics/ >documentation of <code>JSON_DIAGNOSTICS</code></a> for more information.</p> <h2 id=parse-errors>Parse errors<a class=headerlink href=#parse-errors title="Permanent link">¶</a></h2> <p>The library throws this exception when a parse error occurs. Parse errors can occur during the deserialization of <abbr title="JavaScript Object Notation">JSON</abbr> text, <abbr title="Concise Binary Object Representation">CBOR</abbr>, MessagePack, as well as when using <abbr title="JavaScript Object Notation">JSON</abbr> Patch.</p> <p>Exceptions have ids 1xx.</p> <div class="admonition info"> <p class=admonition-title>Byte index</p> <p>Member <code>byte</code> holds the byte index of the last read character in the input file.</p> <p>For an input with n bytes, 1 is the index of the first character and n+1 is the index of the terminating null byte or the end of file. This also holds true when reading a byte vector (<abbr title="Concise Binary Object Representation">CBOR</abbr> or MessagePack).</p> </div> <details class=example> <summary>Example</summary> <p>The following code shows how a <code>parse_error</code> exception can be caught.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
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@@ -166,7 +166,7 @@ exception id: 207
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</code></pre></div> </div> <h3 id=jsonexceptioninvalid_iterator207>json.exception.invalid_iterator.207<a class=headerlink href=#jsonexceptioninvalid_iterator207 title="Permanent link">¶</a></h3> <p>The <code>key()</code> member function can only be used on iterators belonging to a <abbr title="JavaScript Object Notation">JSON</abbr> object, because other types do not have a concept of a key.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.invalid_iterator.207] cannot use key() for non-object iterators
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</code></pre></div> </div> <h3 id=jsonexceptioninvalid_iterator208>json.exception.invalid_iterator.208<a class=headerlink href=#jsonexceptioninvalid_iterator208 title="Permanent link">¶</a></h3> <p>The <code>operator[]</code> to specify a concrete offset cannot be used on iterators belonging to a <abbr title="JavaScript Object Notation">JSON</abbr> object, because <abbr title="JavaScript Object Notation">JSON</abbr> objects are unordered.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.invalid_iterator.208] cannot use operator[] for object iterators
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</code></pre></div> </div> <h3 id=jsonexceptioninvalid_iterator209>json.exception.invalid_iterator.209<a class=headerlink href=#jsonexceptioninvalid_iterator209 title="Permanent link">¶</a></h3> <p>The offset operators (<code>+</code>, <code>-</code>, <code>+=</code>, <code>-=</code>) cannot be used on iterators belonging to a <abbr title="JavaScript Object Notation">JSON</abbr> object, because <abbr title="JavaScript Object Notation">JSON</abbr> objects are unordered.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.invalid_iterator.209] cannot use offsets with object iterators
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</code></pre></div> </div> <h3 id=jsonexceptioninvalid_iterator210>json.exception.invalid_iterator.210<a class=headerlink href=#jsonexceptioninvalid_iterator210 title="Permanent link">¶</a></h3> <p>The iterator range passed to the insert function are not compatible, meaning they do not belong to the same container. Therefore, the range (<code>first</code>, <code>last</code>) is invalid.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.invalid_iterator.210] iterators do not fit
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</code></pre></div> </div> <h3 id=jsonexceptioninvalid_iterator210>json.exception.invalid_iterator.210<a class=headerlink href=#jsonexceptioninvalid_iterator210 title="Permanent link">¶</a></h3> <p>The iterator range passed to the insert function is not compatible, meaning they do not belong to the same container. Therefore, the range (<code>first</code>, <code>last</code>) is invalid.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.invalid_iterator.210] iterators do not fit
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</code></pre></div> </div> <h3 id=jsonexceptioninvalid_iterator211>json.exception.invalid_iterator.211<a class=headerlink href=#jsonexceptioninvalid_iterator211 title="Permanent link">¶</a></h3> <p>The iterator range passed to the insert function must not be a subrange of the container to insert to.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.invalid_iterator.211] passed iterators may not belong to container
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</code></pre></div> </div> <h3 id=jsonexceptioninvalid_iterator212>json.exception.invalid_iterator.212<a class=headerlink href=#jsonexceptioninvalid_iterator212 title="Permanent link">¶</a></h3> <p>When two iterators are compared, they must belong to the same container.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.invalid_iterator.212] cannot compare iterators of different containers
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</code></pre></div> </div> <h3 id=jsonexceptioninvalid_iterator213>json.exception.invalid_iterator.213<a class=headerlink href=#jsonexceptioninvalid_iterator213 title="Permanent link">¶</a></h3> <p>The order of object iterators cannot be compared, because <abbr title="JavaScript Object Notation">JSON</abbr> objects are unordered.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.invalid_iterator.213] cannot compare order of object iterators
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@@ -194,7 +194,7 @@ exception id: 207
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</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>message: [json.exception.type_error.308] cannot use push_back() with string
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exception id: 308
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</code></pre></div> </details> <h3 id=jsonexceptiontype_error301>json.exception.type_error.301<a class=headerlink href=#jsonexceptiontype_error301 title="Permanent link">¶</a></h3> <p>To create an object from an initializer list, the initializer list must consist only of a list of pairs whose first element is a string. When this constraint is violated, an array is created instead.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>[json.exception.type_error.301] cannot create object from initializer list
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</code></pre></div> </div> <h3 id=jsonexceptiontype_error302>json.exception.type_error.302<a class=headerlink href=#jsonexceptiontype_error302 title="Permanent link">¶</a></h3> <p>During implicit or explicit value conversion, the <abbr title="JavaScript Object Notation">JSON</abbr> type must be compatible to the target type. For instance, a <abbr title="JavaScript Object Notation">JSON</abbr> string can only be converted into string types, but not into numbers or boolean types.</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>[json.exception.type_error.302] type must be object, but is null
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</code></pre></div> </div> <h3 id=jsonexceptiontype_error302>json.exception.type_error.302<a class=headerlink href=#jsonexceptiontype_error302 title="Permanent link">¶</a></h3> <p>During implicit or explicit value conversion, the <abbr title="JavaScript Object Notation">JSON</abbr> type must be compatible with the target type. For instance, a <abbr title="JavaScript Object Notation">JSON</abbr> string can only be converted into string types, but not into numbers or boolean types.</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>[json.exception.type_error.302] type must be object, but is null
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</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.type_error.302] type must be string, but is object
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</code></pre></div></p> </div> <h3 id=jsonexceptiontype_error303>json.exception.type_error.303<a class=headerlink href=#jsonexceptiontype_error303 title="Permanent link">¶</a></h3> <p>To retrieve a reference to a value stored in a <code>basic_json</code> object with <code>get_ref</code>, the type of the reference must match the value type. For instance, for a <abbr title="JavaScript Object Notation">JSON</abbr> array, the <code>ReferenceType</code> must be <code>array_t &</code>.</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p><div class=highlight><pre><span></span><code>[json.exception.type_error.303] incompatible ReferenceType for get_ref, actual type is object
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</code></pre></div> <div class=highlight><pre><span></span><code>[json.exception.type_error.303] incompatible ReferenceType for get_ref, actual type is number"
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@@ -215,9 +215,9 @@ exception id: 308
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</code></pre></div> </div> <h3 id=jsonexceptiontype_error314>json.exception.type_error.314<a class=headerlink href=#jsonexceptiontype_error314 title="Permanent link">¶</a></h3> <p>The <code>unflatten</code> function only works for an object whose keys are <abbr title="JavaScript Object Notation">JSON</abbr> Pointers.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p>Calling <code>unflatten()</code> on an array <code class=highlight><span class=p>[</span><span class=mi>1</span><span class=p>,</span><span class=mi>2</span><span class=p>,</span><span class=mi>3</span><span class=p>]</span></code>:</p> <div class=highlight><pre><span></span><code>[json.exception.type_error.314] only objects can be unflattened
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</code></pre></div> </div> <h3 id=jsonexceptiontype_error315>json.exception.type_error.315<a class=headerlink href=#jsonexceptiontype_error315 title="Permanent link">¶</a></h3> <p>The <code>unflatten()</code> function only works for an object whose keys are <abbr title="JavaScript Object Notation">JSON</abbr> Pointers and whose values are primitive.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p>Calling <code>unflatten()</code> on an object <code class=highlight><span class=p>{</span><span class=s2>"/1"</span><span class=p>,</span><span class=w> </span><span class=p>[</span><span class=mi>1</span><span class=p>,</span><span class=mi>2</span><span class=p>,</span><span class=mi>3</span><span class=p>]}</span></code>:</p> <div class=highlight><pre><span></span><code>[json.exception.type_error.315] values in object must be primitive
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</code></pre></div> </div> <h3 id=jsonexceptiontype_error316>json.exception.type_error.316<a class=headerlink href=#jsonexceptiontype_error316 title="Permanent link">¶</a></h3> <p>The <code>dump()</code> function only works with <abbr title="Unicode Transformation Format">UTF</abbr>-8 encoded strings; that is, if you assign a <code>std::string</code> to a <abbr title="JavaScript Object Notation">JSON</abbr> value, make sure it is <abbr title="Unicode Transformation Format">UTF</abbr>-8 encoded.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p>Calling <code>dump()</code> on a <abbr title="JavaScript Object Notation">JSON</abbr> value containing an <abbr title="International Organization for Standardization">ISO</abbr> 8859-1 encoded string: <div class=highlight><pre><span></span><code>[json.exception.type_error.316] invalid UTF-8 byte at index 15: 0x6F
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</code></pre></div></p> </div> <div class="admonition tip"> <p class=admonition-title>Tip</p> <ul> <li>Store the source file with <abbr title="Unicode Transformation Format">UTF</abbr>-8 encoding.</li> <li>Pass an error handler as last parameter to the <code>dump()</code> function to avoid this exception:<ul> <li><code>json::error_handler_t::replace</code> will replace invalid bytes sequences with <code>U+FFFD</code> </li> <li><code>json::error_handler_t::ignore</code> will silently ignore invalid byte sequences</li> </ul> </li> </ul> </div> <h3 id=jsonexceptiontype_error317>json.exception.type_error.317<a class=headerlink href=#jsonexceptiontype_error317 title="Permanent link">¶</a></h3> <p>The dynamic type of the object cannot be represented in the requested serialization format (e.g. a raw <code>true</code> or <code>null</code> <abbr title="JavaScript Object Notation">JSON</abbr> object cannot be serialized to <abbr title="Binary JSON">BSON</abbr>)</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p>Serializing <code class=highlight><span class=kc>null</span></code> to <abbr title="Binary JSON">BSON</abbr>: <div class=highlight><pre><span></span><code>[json.exception.type_error.317] to serialize to BSON, top-level type must be object, but is null
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</code></pre></div></p> </div> <div class="admonition tip"> <p class=admonition-title>Tip</p> <ul> <li>Store the source file with <abbr title="Unicode Transformation Format">UTF</abbr>-8 encoding.</li> <li>Pass an error handler as last parameter to the <code>dump()</code> function to avoid this exception:<ul> <li><code>json::error_handler_t::replace</code> will replace invalid bytes sequences with <code>U+FFFD</code> </li> <li><code>json::error_handler_t::ignore</code> will silently ignore invalid byte sequences</li> </ul> </li> </ul> </div> <h3 id=jsonexceptiontype_error317>json.exception.type_error.317<a class=headerlink href=#jsonexceptiontype_error317 title="Permanent link">¶</a></h3> <p>The dynamic type of the object cannot be represented in the requested serialization format (e.g., a raw <code>true</code> or <code>null</code> <abbr title="JavaScript Object Notation">JSON</abbr> object cannot be serialized to <abbr title="Binary JSON">BSON</abbr>)</p> <div class="admonition failure"> <p class=admonition-title>Example messages</p> <p>Serializing <code class=highlight><span class=kc>null</span></code> to <abbr title="Binary JSON">BSON</abbr>: <div class=highlight><pre><span></span><code>[json.exception.type_error.317] to serialize to BSON, top-level type must be object, but is null
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</code></pre></div> Serializing <code class=highlight><span class=p>[</span><span class=mi>1</span><span class=p>,</span><span class=mi>2</span><span class=p>,</span><span class=mi>3</span><span class=p>]</span></code> to <abbr title="Binary JSON">BSON</abbr>: <div class=highlight><pre><span></span><code>[json.exception.type_error.317] to serialize to BSON, top-level type must be object, but is array
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</code></pre></div></p> </div> <div class="admonition tip"> <p class=admonition-title>Tip</p> <p>Encapsulate the <abbr title="JavaScript Object Notation">JSON</abbr> value in an object. That is, instead of serializing <code class=highlight><span class=kc>true</span></code>, serialize <code class=highlight><span class=p>{</span><span class=nt>"value"</span><span class=p>:</span><span class=w> </span><span class=kc>true</span><span class=p>}</span></code></p> </div> <h2 id=out-of-range>Out of range<a class=headerlink href=#out-of-range title="Permanent link">¶</a></h2> <p>This exception is thrown in case a library function is called on an input parameter that exceeds the expected range, for instance in case of array indices or nonexisting object keys.</p> <p>Exceptions have ids 4xx.</p> <details class=example> <summary>Example</summary> <p>The following code shows how an <code>out_of_range</code> exception can be caught.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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</code></pre></div></p> </div> <div class="admonition tip"> <p class=admonition-title>Tip</p> <p>Encapsulate the <abbr title="JavaScript Object Notation">JSON</abbr> value in an object. That is, instead of serializing <code class=highlight><span class=kc>true</span></code>, serialize <code class=highlight><span class=p>{</span><span class=nt>"value"</span><span class=p>:</span><span class=w> </span><span class=kc>true</span><span class=p>}</span></code></p> </div> <h2 id=out-of-range>Out of range<a class=headerlink href=#out-of-range title="Permanent link">¶</a></h2> <p>This exception is thrown in case a library function is called on an input parameter that exceeds the expected range, for instance, in the case of array indices or nonexisting object keys.</p> <p>Exceptions have ids 4xx.</p> <details class=example> <summary>Example</summary> <p>The following code shows how an <code>out_of_range</code> exception can be caught.</p> <div class=highlight><pre><span></span><code><span class=cp>#include</span><span class=w> </span><span class=cpf><iostream></span>
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<span class=cp>#include</span><span class=w> </span><span class=cpf><nlohmann/json.hpp></span>
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<span class=k>using</span><span class=w> </span><span class=n>json</span><span class=w> </span><span class=o>=</span><span class=w> </span><span class=n>nlohmann</span><span class=o>::</span><span class=n>json</span><span class=p>;</span>
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@@ -243,7 +243,7 @@ exception id: 401
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</code></pre></div> </div> <h3 id=jsonexceptionout_of_range402>json.exception.out_of_range.402<a class=headerlink href=#jsonexceptionout_of_range402 title="Permanent link">¶</a></h3> <p>The special array index <code>-</code> in a <abbr title="JavaScript Object Notation">JSON</abbr> Pointer never describes a valid element of the array, but the index past the end. That is, it can only be used to add elements at this position, but not to read it.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>array index '-' (3) is out of range
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</code></pre></div> </div> <h3 id=jsonexceptionout_of_range403>json.exception.out_of_range.403<a class=headerlink href=#jsonexceptionout_of_range403 title="Permanent link">¶</a></h3> <p>The provided key was not found in the <abbr title="JavaScript Object Notation">JSON</abbr> object.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>key 'foo' not found
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</code></pre></div> </div> <h3 id=jsonexceptionout_of_range404>json.exception.out_of_range.404<a class=headerlink href=#jsonexceptionout_of_range404 title="Permanent link">¶</a></h3> <p>A reference token in a <abbr title="JavaScript Object Notation">JSON</abbr> Pointer could not be resolved.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>unresolved reference token 'foo'
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</code></pre></div> </div> <h3 id=jsonexceptionout_of_range405>json.exception.out_of_range.405<a class=headerlink href=#jsonexceptionout_of_range405 title="Permanent link">¶</a></h3> <p>The <abbr title="JavaScript Object Notation">JSON</abbr> Patch operations 'remove' and 'add' can not be applied to the root element of the <abbr title="JavaScript Object Notation">JSON</abbr> value.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>JSON pointer has no parent
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</code></pre></div> </div> <h3 id=jsonexceptionout_of_range405>json.exception.out_of_range.405<a class=headerlink href=#jsonexceptionout_of_range405 title="Permanent link">¶</a></h3> <p>The <abbr title="JavaScript Object Notation">JSON</abbr> Patch operations 'remove' and 'add' cannot be applied to the root element of the <abbr title="JavaScript Object Notation">JSON</abbr> value.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>JSON pointer has no parent
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</code></pre></div> </div> <h3 id=jsonexceptionout_of_range406>json.exception.out_of_range.406<a class=headerlink href=#jsonexceptionout_of_range406 title="Permanent link">¶</a></h3> <p>A parsed number could not be stored as without changing it to <abbr title="Not a Number">NaN</abbr> or INF.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>number overflow parsing '10E1000'
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</code></pre></div> </div> <h3 id=jsonexceptionout_of_range407>json.exception.out_of_range.407<a class=headerlink href=#jsonexceptionout_of_range407 title="Permanent link">¶</a></h3> <p>This exception previously indicated that the <abbr title="Universal Binary JSON">UBJSON</abbr> and <abbr title="Binary JSON">BSON</abbr> binary formats did not support integer numbers greater than 9223372036854775807 due to limitations in the implemented mapping. However, these limitations have since been resolved, and this exception no longer occurs.</p> <div class="admonition success"> <p class=admonition-title>Exception cannot occur any more</p> <ul> <li>Since version 3.9.0, integer numbers beyond int64 are serialized as high-precision <abbr title="Universal Binary JSON">UBJSON</abbr> numbers.</li> <li>Since version 3.12.0, integer numbers beyond int64 are serialized as uint64 <abbr title="Binary JSON">BSON</abbr> numbers.</li> </ul> </div> <h3 id=jsonexceptionout_of_range408>json.exception.out_of_range.408<a class=headerlink href=#jsonexceptionout_of_range408 title="Permanent link">¶</a></h3> <p>The size (following <code>#</code>) of an <abbr title="Universal Binary JSON">UBJSON</abbr> array or object exceeds the maximal capacity.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>excessive array size: 8658170730974374167
|
||||
</code></pre></div> </div> <h3 id=jsonexceptionout_of_range409>json.exception.out_of_range.409<a class=headerlink href=#jsonexceptionout_of_range409 title="Permanent link">¶</a></h3> <p>Key identifiers to be serialized to <abbr title="Binary JSON">BSON</abbr> cannot contain code point U+0000, since the key is stored as zero-terminated c-string.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <div class=highlight><pre><span></span><code>BSON key cannot contain code point U+0000 (at byte 2)
|
||||
@@ -280,4 +280,4 @@ exception id: 401
|
||||
</code></pre></div> <p>Output:</p> <div class=highlight><pre><span></span><code>message: [json.exception.other_error.501] unsuccessful: {"op":"test","path":"/best_biscuit/name","value":"Choco Leibniz"}
|
||||
exception id: 501
|
||||
</code></pre></div> </details> <h3 id=jsonexceptionother_error501>json.exception.other_error.501<a class=headerlink href=#jsonexceptionother_error501 title="Permanent link">¶</a></h3> <p>A <abbr title="JavaScript Object Notation">JSON</abbr> Patch operation 'test' failed. The unsuccessful operation is also printed.</p> <div class="admonition failure"> <p class=admonition-title>Example message</p> <p>Executing <code class=highlight><span class=p>{</span><span class=nt>"op"</span><span class=p>:</span><span class=s2>"test"</span><span class=p>,</span><span class=w> </span><span class=nt>"path"</span><span class=p>:</span><span class=s2>"/baz"</span><span class=p>,</span><span class=w> </span><span class=nt>"value"</span><span class=p>:</span><span class=s2>"bar"</span><span class=p>}</span></code> on <code class=highlight><span class=p>{</span><span class=nt>"baz"</span><span class=p>:</span><span class=w> </span><span class=s2>"qux"</span><span class=p>}</span></code>:</p> <div class=highlight><pre><span></span><code>[json.exception.other_error.501] unsuccessful: {"op":"test","path":"/baz","value":"bar"}
|
||||
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</code></pre></div> </div> <!-- https://squidfunk.github.io/mkdocs-material/reference/tooltips/#adding-a-glossary --> <aside class=md-source-file> <span class=md-source-file__fact> <span class=md-icon title="Last update"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1zM12.5 7v5.2l4 2.4-1 1L11 13V7zM11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2z"/></svg> </span> <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date" title="April 5, 2025 16:54:35">April 5, 2025</span> </span> </aside> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var labels=set.querySelector(".tabbed-labels");for(var tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> <script>var target=document.getElementById(location.hash.slice(1));target&&target.name&&(target.checked=target.name.startsWith("__tabbed_"))</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> <div class=md-copyright__highlight> Copyright © 2013-2025 Niels Lohmann </div> </div> <div class=md-social> <a href="https://github.com/nlohmann" target="_blank" rel="noopener" title="github.com" class="md-social__link"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 496 512"><!-- Font Awesome Free 6.7.2 by @fontawesome - 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Reference in new issue
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