| Method Summary |
|
| protected Expression | and(int opPos)
Compile an 'and' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | arg(int opPos)
Compile a function argument.
Parameters:
opPos - The current position in the m_opMap array. |
| public void | assertion(boolean b, java.lang.String msg)
Tell the user of an assertion error, and probably throw an
exception. |
| protected Expression | bool(int opPos)
Compile a 'boolean(...)' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| public Expression | compile(int opPos)
Execute the XPath object from a given opcode position.
Parameters:
opPos - The current position in the xpath.m_opMap array. |
| Expression | compileFunction(int opPos)
Compile a built-in XPath function.
Parameters:
opPos - The current position in the m_opMap array. |
| public int | countPredicates(int opPos)
Count the number of predicates in the step.
Parameters:
opPos - The position of the first predicate the m_opMap array. |
| protected Expression | div(int opPos)
Compile a 'div' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | equals(int opPos)
Compile a '=' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| public void | error(String msg, Object[] args)
Tell the user of an error, and probably throw an
exception. |
| public Expression[] | getCompiledPredicates(int opPos)
Compile a zero or more predicates for a given match pattern.
Parameters:
opPos - The position of the first predicate the m_opMap array. |
| FunctionTable | getFunctionTable()
|
| public int | getLocationPathDepth()
Get the level of the location path or union being constructed. |
| public PrefixResolver | getNamespaceContext()
Get the current namespace context for the xpath. |
| public int | getWhatToShow(int opPos)
Get a
org.w3c.dom.traversal.NodeFilter bit set that tells what
to show for a given node test.
Parameters:
opPos - the op map position for the location step. |
| protected Expression | group(int opPos)
Compile an expression group.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | gt(int opPos)
Compile a '>' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | gte(int opPos)
Compile a '>=' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | literal(int opPos)
Compile a literal string value.
Parameters:
opPos - The current position in the m_opMap array. |
| public Expression | locationPath(int opPos)
Compile a location path. |
| public Expression | locationPathPattern(int opPos)
Compile a location match pattern unit expression.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | lt(int opPos)
Compile a '<' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | lte(int opPos)
Compile a '<=' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | matchPattern(int opPos)
Compile an entire match pattern expression.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | minus(int opPos)
Compile a '-' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | mod(int opPos)
Compile a 'mod' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | mult(int opPos)
Compile a '*' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | neg(int opPos)
Compile a unary '-' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | notequals(int opPos)
Compile a '!=' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | number(int opPos)
Compile a 'number(...)' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | numberlit(int opPos)
Compile a literal number value.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | or(int opPos)
Compile an 'or' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | plus(int opPos)
Compile a '+' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| public Expression | predicate(int opPos)
Compile a location step predicate expression.
Parameters:
opPos - The current position in the m_opMap array. |
| public void | setNamespaceContext(PrefixResolver pr)
Set the current namespace context for the xpath. |
| protected StepPattern | stepPattern(int opPos, int stepCount, StepPattern ancestorPattern)
Compile a step pattern unit expression, used for both location paths
and match patterns.
Parameters:
opPos - The current position in the m_opMap array.
Parameters:
stepCount - The number of steps to expect.
Parameters:
ancestorPattern - The owning StepPattern, which may be null. |
| protected Expression | string(int opPos)
Compile a 'string(...)' operation.
Parameters:
opPos - The current position in the m_opMap array. |
| protected Expression | union(int opPos)
Compile a location path union. |
| protected Expression | variable(int opPos)
Compile a variable reference.
Parameters:
opPos - The current position in the m_opMap array. |
| public void | warn(String msg, Object[] args)
Warn the user of an problem. |
