Package org.pgcodekeeper.core.database.base.parser

Class QNameParser<T extends org.antlr.v4.runtime.ParserRuleContext>

java.lang.Object
org.pgcodekeeper.core.database.base.parser.QNameParser<T>
Type Parameters:
T - the type of parser context being processed
public final class QNameParser<T extends org.antlr.v4.runtime.ParserRuleContext> extends Object
Utility class for parsing and processing qualified names (schema.object names) in SQL statements. Supports extracting individual name components from schema-qualified identifiers.

  • Constructor Summary

    Constructors
    Constructor
    Description
    QNameParser(List<T> parts, List<Object> errors)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    getFirstName()
    Gets the first name component from this qualified name.
    static <T extends org.antlr.v4.runtime.ParserRuleContext>
    String
    getFirstName(List<T> ids)
    Gets the first (leftmost) name component from a list of identifiers.
    static <T extends org.antlr.v4.runtime.ParserRuleContext>
    T
    getFirstNameCtx(List<T> ids)
    Gets the context for the first name component.
    List<T>
    getIds()
     
    String
    getSchemaName()
    Gets the schema name from this qualified name.
    static <T extends org.antlr.v4.runtime.ParserRuleContext>
    String
    getSchemaName(List<T> ids)
    Gets the schema name from a qualified identifier.
    static <T extends org.antlr.v4.runtime.ParserRuleContext>
    T
    getSchemaNameCtx(List<T> ids)
    Gets the context for the schema name component.
    String
    getSecondName()
    Gets the second name component from this qualified name.
    static <T extends org.antlr.v4.runtime.ParserRuleContext>
    String
    getSecondName(List<T> ids)
    Gets the second name component from a list of identifiers.
    static <T extends org.antlr.v4.runtime.ParserRuleContext>
    T
    getSecondNameCtx(List<T> ids)
    Gets the context for the second name component.
    String
    getThirdName()
    Gets the third name component from this qualified name.
    static <T extends org.antlr.v4.runtime.ParserRuleContext>
    String
    getThirdName(List<T> ids)
    Gets the third name component from a list of identifiers.
    static <T extends org.antlr.v4.runtime.ParserRuleContext>
    T
    getThirdNameCtx(List<T> ids)
    Gets the context for the third name component.
    boolean
    hasErrors()
    Checks if any errors occurred during parsing.

    Methods inherited from class java.lang.Object

    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

  • Method Details

    • getFirstName

      public static <T extends org.antlr.v4.runtime.ParserRuleContext> String getFirstName(List<T> ids)
      Gets the first (leftmost) name component from a list of identifiers.
      Parameters:
      ids - list of identifier contexts
      Returns:
      first name component or null if not available

    • getSecondName

      public static <T extends org.antlr.v4.runtime.ParserRuleContext> String getSecondName(List<T> ids)
      Gets the second name component from a list of identifiers.
      Parameters:
      ids - list of identifier contexts
      Returns:
      second name component or null if not available

    • getThirdName

      public static <T extends org.antlr.v4.runtime.ParserRuleContext> String getThirdName(List<T> ids)
      Gets the third name component from a list of identifiers.
      Parameters:
      ids - list of identifier contexts
      Returns:
      third name component or null if not available

    • getFirstNameCtx

      public static <T extends org.antlr.v4.runtime.ParserRuleContext> T getFirstNameCtx(List<T> ids)
      Gets the context for the first name component.
      Parameters:
      ids - list of identifier contexts
      Returns:
      parser context for first name or null

    • getSecondNameCtx

      public static <T extends org.antlr.v4.runtime.ParserRuleContext> T getSecondNameCtx(List<T> ids)
      Gets the context for the second name component.
      Parameters:
      ids - list of identifier contexts
      Returns:
      parser context for second name or null

    • getThirdNameCtx

      public static <T extends org.antlr.v4.runtime.ParserRuleContext> T getThirdNameCtx(List<T> ids)
      Gets the context for the third name component.
      Parameters:
      ids - list of identifier contexts
      Returns:
      parser context for third name or null

    • getSchemaName

      public static <T extends org.antlr.v4.runtime.ParserRuleContext> String getSchemaName(List<T> ids)
      Gets the schema name from a qualified identifier.
      Parameters:
      ids - list of identifier contexts
      Returns:
      schema name or null if not qualified

    • getSchemaNameCtx

      public static <T extends org.antlr.v4.runtime.ParserRuleContext> T getSchemaNameCtx(List<T> ids)
      Gets the context for the schema name component.
      Parameters:
      ids - list of identifier contexts
      Returns:
      parser context for schema name or null

    • getIds

      public List<T> getIds()

    • getFirstName

      public String getFirstName()
      Gets the first name component from this qualified name.
      Returns:
      first name component or null

    • getSecondName

      public String getSecondName()
      Gets the second name component from this qualified name.
      Returns:
      second name component or null

    • getThirdName

      public String getThirdName()
      Gets the third name component from this qualified name.
      Returns:
      third name component or null

    • getSchemaName

      public String getSchemaName()
      Gets the schema name from this qualified name.
      Returns:
      schema name or null if not qualified

    • hasErrors

      public boolean hasErrors()
      Checks if any errors occurred during parsing.
      Returns:
      true if parsing errors were encountered