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-only, inherited
isDone bool
Whether the scanner has completely consumed string.
read-only, inherited
lastMatch Match?
The data about the previous match made by the scanner. [...]
read-only, inherited
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 / write, inherited-getter, override-setter
rest String
The portion of the string that hasn't yet been scanned.
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
sourceUrl Uri?
The URL of the source of the string being scanned. [...]
final, inherited
state LineScannerState
The scanner's state, including line and column information. [...]
read / write
string String
The string being scanned through.
final, inherited

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