A small MoonBit library for parsing query strings and reading typed values.

querystring

url

parser

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Author

hackwaly

Version

0.1.2

License

Apache-2.0

Repository

github.com/hackwaly/querystring.git

Last updated

4 months ago

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#hackwaly/querystring

A small MoonBit library for parsing URL query strings and reading values as strings, integers, and boolean flags.

#Installation

Add hackwaly/querystring to your MoonBit project dependencies, then import the package where you need to parse query strings.

#Usage

///|
test "read query string values" {
  let query = @querystring.Querystring::Querystring(
    "name=MoonBit&count=42&enabled=true",
  )

  assert_eq(query.string("name"), "MoonBit")
  assert_eq(query.int("count"), 42)
  assert_eq(query.flag("enabled"), true)
}

Use optional accessors when a key may be absent.

///|
test "optional values" {
  let query = @querystring.Querystring::Querystring("name=MoonBit")

  assert_true(query.string_opt("name") is Some("MoonBit"))
  assert_true(query.string_opt("missing") is None)
  assert_true(query.int_opt("missing") is None)
}

Keys without = are treated as present with an empty value. Empty keys are ignored.

///|
test "empty values" {
  let query = @querystring.Querystring::Querystring("empty=&present&&=ignored")

  assert_eq(query.string("empty"), "")
  assert_eq(query.string("present"), "")
  assert_true(query.string_opt("") is None)
}

Querystring

source

pub struct Querystring {
  // private fields
}
fn Querystring::Querystring(str : StringView) -> Querystring

Querystring::flag

source

fn Querystring::flag(self : Querystring, key : StringView, truthy_values? : @moonbitlang/core/immut/sorted_set.SortedSet
SortedSet[StringView]) -> Bool

Querystring::int

source

fn Querystring::int(self : Querystring, key : StringView) -> Int raise

Querystring::int_opt

source

fn Querystring::int_opt(self : Querystring, key : StringView) -> Int? raise

Querystring::string

source

fn Querystring::string(self : Querystring, key : StringView) -> String raise

Querystring::string_opt

source

fn Querystring::string_opt(self : Querystring, key : StringView) -> String?

Querystring::stringview

source

fn Querystring::stringview(self : Querystring, key : StringView) -> StringView raise

Querystring::stringview_opt

source

fn Querystring::stringview_opt(self : Querystring, key : StringView) -> StringView?

default_truthy_values

source

let default_truthy_values : @moonbitlang/core/immut/sorted_set.SortedSet
SortedSet[StringView]

Source Files

querystring.mbt

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querystring

#hackwaly/querystring

#Installation

#Usage

#Querystring

#Querystring::flag

#Querystring::int

#Querystring::int_opt

#Querystring::string

#Querystring::string_opt

#Querystring::stringview

#Querystring::stringview_opt

#default_truthy_values

Source Files

Querystring

Querystring::flag

Querystring::int

Querystring::int_opt

Querystring::string

Querystring::string_opt

Querystring::stringview

Querystring::stringview_opt

default_truthy_values