DDMathParser | String Number | Math library

by davedelong Swift Version: 3.1.0 License: MIT

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kandi X-RAY | DDMathParser Summary

DDMathParser is a Swift library typically used in Utilities, Math applications. DDMathParser has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

String → Number

Support

Quality

Security

License

Reuse

Support

DDMathParser has a medium active ecosystem.

It has 806 star(s) with 145 fork(s). There are 32 watchers for this library.

It had no major release in the last 12 months.

There are 19 open issues and 113 have been closed. On average issues are closed in 148 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of DDMathParser is 3.1.0

Quality

DDMathParser has no bugs reported.

Security

DDMathParser has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

DDMathParser is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

DDMathParser releases are available to install and integrate.

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DDMathParser Key Features

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DDMathParser Examples and Code Snippets

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Community Discussions

Trending Discussions on DDMathParser

Getting DDMathParser tokens and group tokens

QUESTION

Getting DDMathParser tokens and group tokens

Asked 2017-Nov-18 at 21:56

I already found a solution to my problem on stackoverflow but it is in Objective-C. See this link DDMathParser - Getting tokens

I translated this into Swift as shown below. So what is the latest way to get tokens from a string and to get grouped tokens?

For example: 1 + ($a - (3 / 4))

Here is my try:

...

ANSWER

Answered 2017-Nov-18 at 21:56

You're getting all of the tokens.

OperatorToken, DecimalNumberToken, etc all inherit from a RawToken superclass. RawToken defines a .string and a .range property.

The .string is the actual String, as extracted or inferred from the source. The .range is where in the original string the token is located.

It's important to note, however, that there may be tokens produced by the tokenizer that are not present in the original string. For example, tokens get injected by the Tokenizer when resolving implicit multiplication (3x turns in to 3 * x).

Added later:

If you want the final tree of how it all gets parsed, then you want the Expression:

Source https://stackoverflow.com/questions/47335141

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