Class TokenStream

This class provides stream functions to navigate an array of tokens

Namespace: WPGMZA\Selector
Located at class.selector-to-xpath.php

Methods summary
`public`	# `__construct( WPGMZA\Selector\Token[] $arr )` Constructor Constructor Parameters `$arr` array of tokens
`public WPGMZA\Selector\Token\|null`	# `peek( string\|null $expectedType = null, integer $calledByRead = 0 )` Peeks at the next token in the stream, without advancing the cursor Peeks at the next token in the stream, without advancing the cursor Parameters `$expectedType` The token type to expect. `$calledByRead` Used for internal debug logging. Returns `WPGMZA\Selector\Token`\|null The peeked token, or null at the end of the stream. Throws `WPGMZA\Selector\ParseException` If $expectedType is non-null, and the peeked token is null or not the expected type.
`public WPGMZA\Selector\Token\|null`	# `read( string\|null $expectedType = null )` Reads the next token in the stream. This performs the same actions as peek, but will advance the cursor before returning the token. The cursor may not advance past the token count. Reads the next token in the stream. This performs the same actions as peek, but will advance the cursor before returning the token. The cursor may not advance past the token count. Parameters `$expectedType` The token type to expect. Returns `WPGMZA\Selector\Token`\|null The peeked token, or null at the end of the stream. Throws `WPGMZA\Selector\ParseException` If $expectedType is non-null, and the peeked token is null or not the expected type.
`public boolean`	# `eof( )` Returns true if the cursor has reached the end of the token stream Returns true if the cursor has reached the end of the token stream Returns boolean

Properties summary
`protected`	`$tokens`	#
`protected`	`$cursor`	#