CodeParser

A CodeParser takes code data in forms of byte array or plain string as input and returns parsed results. The following code snippet shows its basic usage:

let parser = await Dynamsoft.DCP.CodeParser.createInstance();
parser.setCodeFormat(enumcodeformat);
let result = await parser.parseData(code);
console.log(result);

API Index

Create and Destroy

Set Code Format

Parse Code Data

createInstance

Creates a CodeParser instance.

static createInstance(): Promise<CodeParser>

Return Value

A promise resolving to the created CodeParser object.

Code Snippet

let reader = await Dynamsoft.DCP.CodeParser.createInstance();

destroyContext

Destroys the CodeParser instance in WASM. If your page needs to create new instances from time to time, don’t forget to destroy unused old instances.

destroyContext(): void

Code Snippet

let parser = await Dynamsoft.DCP.CodeParser.createInstance();
// ... parse ...
parser.destroyContext();

setCodeFormat

Sets the code format that needs parsing. See EnumCodeFormat to check if it has the code format you are looking for.

setCodeFormat(format: EnumCodeFormat): Promise<void> 

Parameters

format: specifies the code’s format represented by EnumCodeFormat.

Return Value

A promise that resolves when the operation succeeds.

Code Snippet

await parser.setCodeFormat(Dynamsoft.DCP.EnumCodeFormat.CF_AUTO);
// ... parse ...

parseData

Parses the code into readable info.

parseData(source: number[] | Uint8Array | string): Promise<ParseResult> 

Parameters

source: specifies the code data represented by a numder[], Uint8Array or string.

Return Value

A promise resolving to a ParseResult object which contains the parsing result.

Code Snippet

await parser.parseData(YOUR-CODE-THAT-NEEDS-PARSING);

See Also

• Uint8Array
• ParseResult