ParserUtils (InfluxQL 1.1.0 API)

java.lang.Object
- io.github.willena.influxql.ast.utils.ParserUtils

```
public final class ParserUtils
extends Object
```
Parser utils. Mainly used to detect the kind of string being parsed. When building queries, it is used to find if quoting is required or not.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`isDigit(char ch)`	Check char is a digit
`static boolean`	`isIdentChar(char ch)`	isIdentChar returns true if the rune can be used in an unquoted identifier.
`static boolean`	`isIdentFirstChar(char ch)`	Similar to isIdentChar but check the first char. returns true if the rune can be used as the first char in an unquoted identifer.
`static boolean`	`isLetter(char ch)`	isLetter returns true if the char is a letter.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - isDigit
```
public static boolean isDigit(char ch)
```
    Check char is a digit
    
    Parameters:
    
    ch - char to check
    
    Returns:
    
    true if digit
  - isLetter
```
public static boolean isLetter(char ch)
```
    isLetter returns true if the char is a letter.
    
    Parameters:
    
    ch - char to check
    
    Returns:
    
    true if letter
  - isIdentChar
```
public static boolean isIdentChar(char ch)
```
    isIdentChar returns true if the rune can be used in an unquoted identifier.
    
    Parameters:
    
    ch - char to test
    
    Returns:
    
    true if is a valid identifier char
  - isIdentFirstChar
```
public static boolean isIdentFirstChar(char ch)
```
    Similar to isIdentChar but check the first char. returns true if the rune can be used as the first char in an unquoted identifer.
    
    Parameters:
    
    ch - char to test
    
    Returns:
    
    true if is a valid identifier first char