Difference between revisions of "Talk:LlJsonSetValue"
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Passing strings verbatim to [[llJsonSetValue]] or [[llList2Json]] is not safe. One way to escape strings properly to make them safe for use with both is to use this function: | Passing strings verbatim to [[llJsonSetValue]] or [[llList2Json]] is not safe. One way to escape strings properly to make them safe for use with both is to use this function: | ||
< | <source lang="lsl2"> | ||
string String2Json(string s) | string String2Json(string s) | ||
{ | { | ||
return llGetSubString(llList2Json(JSON_OBJECT, [s,""]), 1, -5); | return llGetSubString(llList2Json(JSON_OBJECT, [s,""]), 1, -5); | ||
} | } | ||
</ | </source> | ||
Examples: | Examples: | ||
< | <source lang="lsl2"> | ||
llOwnerSay(String2Json(llUnescapeURL("%09"))); // outputs: Object: "\t" | llOwnerSay(String2Json(llUnescapeURL("%09"))); // outputs: Object: "\t" | ||
llOwnerSay(String2Json("\n")); // outputs: Object: "\n" | llOwnerSay(String2Json("\n")); // outputs: Object: "\n" | ||
| Line 19: | Line 19: | ||
llOwnerSay(llList2Json(JSON_ARRAY, [String2Json("this \"string\" is not safe")])); | llOwnerSay(llList2Json(JSON_ARRAY, [String2Json("this \"string\" is not safe")])); | ||
// both output: Object: ["this \"string\" is not safe"] | // both output: Object: ["this \"string\" is not safe"] | ||
</ | </source> | ||
--[[User:Sei Lisa|Sei Lisa]] 17:19, 6 June 2014 (PDT) | --[[User:Sei Lisa|Sei Lisa]] 17:19, 6 June 2014 (PDT) | ||
Revision as of 08:08, 27 January 2015
Safe strings
Passing strings verbatim to llJsonSetValue or llList2Json is not safe. One way to escape strings properly to make them safe for use with both is to use this function:
string String2Json(string s)
{
return llGetSubString(llList2Json(JSON_OBJECT, [s,""]), 1, -5);
}
Examples:
llOwnerSay(String2Json(llUnescapeURL("%09"))); // outputs: Object: "\t"
llOwnerSay(String2Json("\n")); // outputs: Object: "\n"
llOwnerSay(String2Json("this \"string\" is not safe")); // outputs: Object: "this \"string\" is not safe"
llOwnerSay(String2Json("\"ab\"")); // outputs: Object: "\"ab\""
// Examples of use with the corresponding functions:
llOwnerSay(llJsonSetValue("[]", [0], String2Json("this \"string\" is not safe")));
llOwnerSay(llList2Json(JSON_ARRAY, [String2Json("this \"string\" is not safe")]));
// both output: Object: ["this \"string\" is not safe"]
--Sei Lisa 17:19, 6 June 2014 (PDT)
Sadly, even this isn't a complete solution. With a URL like "http://www.google.com/", you'll get a "leaning-toothpicks" style value, but a call to llJsonSetValue() still won't pack it in correctly. -- Lavanya Hartnell 7:45, 11 August 2014 (PDT)
- Works for me. Can you give an example? Mine was
llJsonSetValue("[]",[0],String2Json("http://www.google.com/"))and it returned the correct JSON -- Sei Lisa 10:39, 11 September 2014 (PDT)