Difference between revisions of "JSON NULL"
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Also used to encode the bare word 'null' within a Json text to signify an empty, valueless placeholder Value at that location (the empty LSL String, "", can be used as well for that). | Also used to encode the bare word 'null' within a Json text to signify an empty, valueless placeholder Value at that location (the empty LSL String, "", can be used as well for that). | ||
|constants={{LSL Constants/JSON}} | |constants={{LSL Constants/JSON}} | ||
|examples=< | |examples=<source lang="lsl2">// Showing usage of JSON_NULL | ||
// within a Json text string | // within a Json text string | ||
string jText; | string jText; | ||
| Line 26: | Line 26: | ||
} | } | ||
}</ | }</source> | ||
|caveats | |caveats | ||
|functions= | |functions= | ||
| Line 32: | Line 32: | ||
{{LSL DefineRow||[[llJsonGetValue]]|}} | {{LSL DefineRow||[[llJsonGetValue]]|}} | ||
|events | |events | ||
|cat1 | |cat1=JSON | ||
|cat2 | |cat2 | ||
|cat3 | |cat3 | ||
Latest revision as of 14:50, 23 January 2015
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Description
Constant: string JSON_NULL = "�";The string constant JSON_NULL has the value "�"
Return value for llJsonValueType function indicating the Json data type of a given address specifier in a given string-serialized JSON text.
Also the return string value for llJsonGetValue function when the bare word 'null' is at the given address specifier in a given string-serialized JSON text.
Also used to encode the bare word 'null' within a Json text to signify an empty, valueless placeholder Value at that location (the empty LSL String, "", can be used as well for that).
Caveats
Related Articles
Constants
| Type Flags | Value | Unicode | Integer | URL Encoded | HTML Encoded | Description |
|---|---|---|---|---|---|---|
| JSON_INVALID | | U+FDDO | 64976 | "%EF%B7%90" |  | Value returned when inputs are not well formed. |
| JSON_OBJECT | | U+FDD1 | 64977 | "%EF%B7%91" |  | |
| JSON_ARRAY | | U+FDD2 | 64978 | "%EF%B7%92" |  | |
| JSON_NUMBER | | U+FDD3 | 64979 | "%EF%B7%93" |  | |
| JSON_STRING | | U+FDD4 | 64980 | "%EF%B7%94" |  | |
| JSON_NULL | | U+FDD5 | 64981 | "%EF%B7%95" |  | |
| JSON_TRUE | | U+FDD6 | 64982 | "%EF%B7%96" |  | |
| JSON_FALSE | | U+FDD7 | 64983 | "%EF%B7%97" |  | |
| JSON_DELETE | | U+FDD8 | 64984 | "%EF%B7%98" |  | Used with llJsonSetValue to remove a key-value pair. |
Functions
| • | llJsonValueType | |||
| • | llJsonGetValue |
Examples
// Showing usage of JSON_NULL
// within a Json text string
string jText;
default
{
state_entry(){
jText = llList2Json(JSON_OBJECT, ["A", 4, "B", 5]);
llOwnerSay(jText); // jText is '{"A":4,"B":5}'
llOwnerSay(llJsonGetValue(jText, ["B"])); // The string "5"
jText = llJsonSetValue(jText, ["B"], JSON_NULL);
llOwnerSay(jText); // jText is now '{"A":4,"B":null}'
llOwnerSay(llJsonGetValue(jText, ["B"])); // The Unicode value of JSON_NULL
}
}
Deep Notes
All Issues
~ Search JIRA for related Issues
|
|
BUG-3692 | A |
Signature |
|---|
string JSON_NULL = "�"; |