Typesets normally are just object dictionaries of typeName => type pairs with types that can refer to each other and completely describe some data structure format:
{
'jBinary.all': 'File',
'jBinary.littleEndian': true,
// declaring custom type by wrapping structure
DynamicArray: jBinary.Template({
setParams: function (itemType) {
this.baseType = {
// using built-in type
length: 'uint16',
// using complex built-in type with simple argument and argument from another field
values: ['array', itemType, 'length']
};
},
read: function () {
return this.baseRead().values;
},
write: function (values) {
this.baseWrite({
length: values.length,
values: values
});
}
}),
// declaring simple structure
FileItem: {
// using built-in type with argument
name: ['string0', 256],
// using another custom type with no arguments
content: 'DynamicArray'
},
// aliasing FileItem[] as type of entire File
File: ['array', 'FileItem']
}
As was shown above, typesets may also contain special config values that set some global options for entire typeset.
As for now, such options are:
jBinary.all - reference to general type that represents entire data; required for enabling user to read/write entire file at once using readAll/writeAll.jBinary.mimeType - sets mime-type which should be used for saving data from this format.jBinary.littleEndian - sets default endianness for this format.RetroSearch is an open source project built by @garambo | Open a GitHub Issue
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