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- <h1>Class <code>luci.jsonc</code></h1>
- <p>
- LuCI JSON parsing and serialization library.
- The luci.jsonc class is a high level Lua binding to the JSON-C library to
- allow reading and writing JSON data with minimal overhead.</p>
- <h2>Functions</h2>
- <table class="function_list">
- <tr>
- <td class="name" nowrap><a href="#new">new</a> ()</td>
- <td class="summary">
-
- Construct a new luci.jsonc.parser instance.</td>
- </tr>
- <tr>
- <td class="name" nowrap><a href="#parse">parse</a> (json)</td>
- <td class="summary">
-
- Parse a complete JSON string and convert it into a Lua data structure.</td>
- </tr>
- <tr>
- <td class="name" nowrap><a href="#stringify">stringify</a> (data, pretty)</td>
- <td class="summary">
-
- Convert given Lua data into a JSON string.</td>
- </tr>
- </table>
- <br/>
- <br/>
- <h2><a name="functions"></a>Functions</h2>
- <dl class="function">
- <dt><a name="new"></a><strong>new</strong> ()</dt>
- <dd>
-
- Construct a new luci.jsonc.parser instance.
- <h3>Usage:</h3>
- <code>parser = luci.jsonc.new()</code>
- <h3>Return value:</h3>
- A <code>luci.jsonc.parser</code> object representing a JSON-C tokener.
- </dd>
- <dt><a name="parse"></a><strong>parse</strong> (json)</dt>
- <dd>
-
- Parse a complete JSON string and convert it into a Lua data structure.
- <h3>Parameters</h3>
- <ul>
-
- <li>
- json: A string containing the JSON data to parse, must be either a
- JSON array or a JSON object.
- </li>
-
- </ul>
- <h3>Usage:</h3>
- <pre>data = luci.jsonc.parse('{ "name": "John", "age": 34 }')
- print(data.name) -- "John"</pre>
- <h3>Return value:</h3>
- On success, a table containing the parsed JSON data is returned, on
- failure the function returns <code>nil</code> and a string containing the reason of
- the parse error.
- <h3>See also:</h3>
- <ul>
-
- <li><a href="#stringify">
- stringify
- </a>
-
- </ul>
- </dd>
- <dt><a name="stringify"></a><strong>stringify</strong> (data, pretty)</dt>
- <dd>
-
- Convert given Lua data into a JSON string.
-
- This function recursively converts the given Lua data into a JSON string,
- ignoring any unsupported data. Lua tables are converted into JSON arrays if they
- only contain integer keys, mixed tables are turned into JSON objects with any
- existing numeric keys converted into strings.
-
- Lua functions, coroutines and userdata objects are ignored and Lua numbers are
- converted to integers if they do not contain fractional values.
- <h3>Parameters</h3>
- <ul>
-
- <li>
- data: The Lua data to convert, can be a table, string, boolean or number.
- </li>
-
- <li>
- pretty: A boolean value indicating whether the resulting JSON should be
- pretty printed.
- </li>
-
- </ul>
- <h3>Usage:</h3>
- <pre>json = luci.jsonc.stringify({ item = true, values = { 1, 2, 3 } })
- print(json) -- '{"item":true,"values":[1,2,3]}'</pre>
- <h3>Return value:</h3>
- Returns a string containing the JSON representation of the given Lua
- data.
- <h3>See also:</h3>
- <ul>
-
- <li><a href="#parse">
- parse
- </a>
-
- </ul>
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