LineScanner class Null safety

A subclass of StringScanner that tracks line and column information.

Inheritance
Implementers

Constructors

LineScanner(String string, {dynamic sourceUrl, int? position})

Properties

column → int
The scanner's current (zero-based) column number.
read-only
hashCode → int
The hash code for this object.
read-onlyinherited
isDone → bool
Whether the scanner has completely consumed string.
read-onlyinherited
lastMatch → Match?
The data about the previous match made by the scanner.
read-onlyinherited
line → int
The scanner's current (zero-based) line number.
read-only
position ↔ int
The current position of the scanner in the string, in characters.
read / writeinherited-getteroverride-setter
rest → String
The portion of the string that hasn't yet been scanned.
read-onlyinherited
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited
sourceUrl → Uri?
The URL of the source of the string being scanned.
finalinherited
state ↔ LineScannerState
The scanner's state, including line and column information.
read / write
string → String
The string being scanned through.
finalinherited

Methods

error(String message, {Match? match, int? position, int? length}) → Never
Throws a FormatException with message as well as a detailed description of the location of the error in the string.
inherited
expect(Pattern pattern, {String? name}) → void
If pattern matches at the current position of the string, scans forward until the end of the match.
inherited
expectChar(int character, {String? name}) → void
If the next character in the string is character, consumes it.
inherited
expectDone() → void
If the string has not been fully consumed, this throws a FormatException.
inherited
matches(Pattern pattern) → bool
Returns whether or not pattern matches at the current position of the string.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
peekChar([int? offset]) → int?
Returns the character code of the character offset away from position.
inherited
readChar() → int
Consumes a single character and returns its character code.
override
scan(Pattern pattern) → bool
If pattern matches at the current position of the string, scans forward until the end of the match.
override
scanChar(int character) → bool
If the next character in the string is character, consumes it.
override
substring(int start, [int? end]) → String
Returns the substring of string between start and end.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited