Difference between revisions of "Talk:LlList2Json"

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(Safe strings)
 
m (convert tags)
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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:
<lsl>
<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);
}
}
</lsl>
</source>
Examples:
Examples:
<lsl>
<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"
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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"]
</lsl>
</source>


--[[User:Sei Lisa|Sei Lisa]] 17:22, 6 June 2014 (PDT)
--[[User:Sei Lisa|Sei Lisa]] 17:22, 6 June 2014 (PDT)

Revision as of 07:25, 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 17:22, 6 June 2014 (PDT)