/**
* Create a pattern for text parsing
*
* @param pattern pattern definition
* @return pattern pattern
*/
private ProcPattern createPattern(Pattern pattern) {
if (pattern.getElements() == null || pattern.getElements().isEmpty()) {
throw new IllegalStateException("Pattern elements list can't be empty.");
}
List<ProcPatternElement> elements = new ArrayList<ProcPatternElement>();
for (PatternElement element : pattern.getElements()) {
if (element instanceof Variable) {
Variable variable = (Variable) element;
if (variable.getAction() != Action.check) {
elements.add(
new ProcVariable(
variable.getName(),
variable.getRegex(),
variable.isGhost(),
variable.getAction()));
} else {
elements.add(new Check(variable.getName(), variable.isGhost()));
}
} else if (element instanceof Text) {
elements.add(create((Text) element));
} else if (element instanceof Constant) {
elements.add(createPatternConstant((Constant) element));
} else if (element instanceof Junk) {
elements.add(JUNK);
} else if (element instanceof Eol) {
elements.add(new ProcEol(((Eol) element).isGhost()));
} else if (element instanceof Bol) {
elements.add(PROC_BOL);
} else if (element instanceof BlankLine) {
elements.add(new ProcBlankLine(((BlankLine) element).isGhost()));
} else if (element instanceof Url) {
Url url = (Url) element;
elements.add(new ProcUrl(url.getName(), url.isGhost(), url.isLocal(), url.isSchemaless()));
}
}
return new ProcPattern(elements);
}
