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Component: JSON Decoder ( Comms): Difference between revisions

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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''FindName'''
| width="90%" class="mtx-class-macrohead" | '''FindName'''
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| colspan="2" | Searches for a name in the JSON data. Returns the data index position.  Returns -1 if the name was not found.  
| colspan="2" | Searches for a name in the JSON data. Returns the data index position.  Returns -1 if the name was not found.  
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ParseJSON'''
| width="90%" class="mtx-class-macrohead" | '''ParseJSON'''
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| colspan="2" | Converts JSON formatted string to a JavaScript object. Compatible with FindName, ReadName and ReadDataAs functions. Returns the number of key/data pairs. 
| colspan="2" | Converts JSON formatted string to a JavaScript object. Compatible with FindName, ReadName and ReadDataAs functions. Returns the number of key/data pairs. 
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| colspan="2" | Reads the data of a specific element as a floating point value  
| colspan="2" | Reads the data of a specific element as a floating point value  
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| colspan="2" | Reads the data of a specific element as a numeric value  
| colspan="2" | Reads the data of a specific element as a numeric value  
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadDataAsString'''
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| colspan="2" | Reads the data of a specific element as a string value  
| colspan="2" | Reads the data of a specific element as a string value  
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadName'''
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| colspan="2" | Reads the name of a specific element 
| colspan="2" | Reads the name of a specific element 
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Latest revision as of 14:23, 13 July 2026

Author
Version 0.1
Category Comms


JSON Decoder component

Allows dynamic key and value pairs to be collected from a formatted JSON string.

Component Source Code

Please click here to download the component source project: FC_Comp_Source_WEBEXP_JSONDecoder.fcsx

Please click here to view the component source code (Beta): FC_Comp_Source_WEBEXP_JSONDecoder.fcsx

Detailed description

No detailed description exists yet for this component

Examples

Simple Data

Example program showing how to use a JSON decoder component to parse a simple JSON encoded data string.

Web JSON Decoder Example


Macro reference

FindName

FindName
Searches for a name in the JSON data. Returns the data index position. Returns -1 if the name was not found.  
- STRING Name
Name of the data key to find 
- LONG SkipCount
Number of matches to skip before returning. 
- INT Return


ParseJSON

ParseJSON
Converts JSON formatted string to a JavaScript object. Compatible with FindName, ReadName and ReadDataAs functions. Returns the number of key/data pairs. 
- STRING sText
JSON string data to parse 
- ULONG Return


ReadDataAsFloat

ReadDataAsFloat
Reads the data of a specific element as a floating point value  
- LONG Element
Index of the element to read 
- FLOAT Return


ReadDataAsNumber

ReadDataAsNumber
Reads the data of a specific element as a numeric value  
- LONG Element
Index of the element to read 
- ULONG Return


ReadDataAsString

ReadDataAsString
Reads the data of a specific element as a string value  
- LONG Element
Index of the element to read 
- STRING Return


ReadName

ReadName
Reads the name of a specific element 
- LONG Element
The Index of the element to read 
- STRING Return


Property reference

Properties
JSON Reviver macro
Allows an easy way for you to parse incoming JSON data element by element.