/**
* Create code from this definition
*
* @param defCode code definition
* @return code object
*/
private ProcCode createCode(Code defCode) {
if (!defCode.hasPatterns()) {
throw new IllegalStateException("Field pattern can't be null.");
}
if (defCode.getTemplate() == null) {
throw new IllegalStateException("Field template can't be null.");
}
ProcCode code = codes.get(defCode);
if (code == null) {
List<Pattern> confPatterns = defCode.getPatterns();
List<ProcPattern> procPatterns = new ArrayList<ProcPattern>(confPatterns.size());
for (Pattern confPattern : confPatterns) {
procPatterns.add(createPattern(confPattern));
}
code =
new ProcCode(
procPatterns,
createTemplate(defCode.getTemplate()),
defCode.getName(),
defCode.getPriority(),
defCode.isTransparent());
codes.put(defCode, code);
}
return code;
}
/**
* Create a constant element for text parsing
*
* @param constant constant definition
* @return pattern element for constant
*/
private PatternConstant createPatternConstant(Constant constant) {
if (!constants.containsKey(constant)) {
constants.put(
constant,
new PatternConstant(constant.getValue(), constant.isIgnoreCase(), constant.isGhost()));
}
return constants.get(constant);
}
/**
* Find or create the scope.
*
* @param scope the scope configuration
* @return scope scope
*/
private ProcScope createScope(Scope scope) {
ProcScope created = createdScopes.get(scope);
if (created == null) {
created = new ProcScope(scope.getName());
createdScopes.put(scope, created);
created.setStrong(scope.isStrong());
created.setIgnoreText(scope.isIgnoreText());
if (scope.getParent() != null) {
created.setParent(createScope(scope.getParent()));
}
Set<ProcCode> scopeCodes = new HashSet<ProcCode>();
for (Code code : scope.getCodes()) {
scopeCodes.add(createCode(code));
}
created.setScopeCodes(scopeCodes);
created.setMin(scope.getMin());
created.setMax(scope.getMax());
}
return created;
}
/** Build an processor. */
public BBProcessor build() {
this.createdScopes = new HashMap<Scope, ProcScope>();
this.codes = new HashMap<Code, ProcCode>();
this.constants = new HashMap<Constant, PatternConstant>();
BBProcessor processor = new BBProcessor();
processor.setScope(createScope(conf.getRootScope()));
processor.setPrefix(createTemplate(conf.getPrefix()));
processor.setSuffix(createTemplate(conf.getSuffix()));
processor.setParams(conf.getParams());
processor.setConstants(new HashSet<PatternConstant>(constants.values()));
processor.setNestingLimit(conf.getNestingLimit());
processor.setPropagateNestingException(conf.isPropagateNestingException());
// Init scopes
for (ProcScope scope : createdScopes.values()) {
scope.init();
}
return processor;
}
