/**
* Extracts a list of directives from a list of strings.
*
* @param lines List of strings.
* @return A list of directives.
* @throws AraraException Something wrong happened, to be caught in the higher levels.
*/
public static List<Directive> extractDirectives(List<String> lines) throws AraraException {
String regex = (String) ConfigurationController.getInstance().get("execution.file.pattern");
regex = regex.concat((String) ConfigurationController.getInstance().get("application.pattern"));
Pattern pattern = Pattern.compile(regex);
List<Pair<Integer, String>> pairs = new ArrayList<Pair<Integer, String>>();
Matcher matcher;
for (int i = 0; i < lines.size(); i++) {
matcher = pattern.matcher(lines.get(i));
if (matcher.find()) {
String line = lines.get(i).substring(matcher.end(), lines.get(i).length());
Pair<Integer, String> pair = new Pair<Integer, String>(i + 1, line);
pairs.add(pair);
logger.info(
messages.getMessage(Messages.LOG_INFO_POTENTIAL_PATTERN_FOUND, (i + 1), line.trim()));
}
}
if (pairs.isEmpty()) {
throw new AraraException(messages.getMessage(Messages.ERROR_VALIDATE_NO_DIRECTIVES_FOUND));
}
List<DirectiveAssembler> assemblers = new ArrayList<DirectiveAssembler>();
DirectiveAssembler assembler = new DirectiveAssembler();
regex = (String) ConfigurationController.getInstance().get("directives.linebreak.pattern");
pattern = Pattern.compile(regex);
for (Pair<Integer, String> pair : pairs) {
matcher = pattern.matcher(pair.getSecondElement());
if (matcher.find()) {
if (!assembler.isAppendAllowed()) {
throw new AraraException(
messages.getMessage(
Messages.ERROR_VALIDATE_ORPHAN_LINEBREAK, pair.getFirstElement()));
} else {
assembler.addLineNumber(pair.getFirstElement());
assembler.appendLine(matcher.group(1));
}
} else {
if (assembler.isAppendAllowed()) {
assemblers.add(assembler);
}
assembler = new DirectiveAssembler();
assembler.addLineNumber(pair.getFirstElement());
assembler.appendLine(pair.getSecondElement());
}
}
if (assembler.isAppendAllowed()) {
assemblers.add(assembler);
}
List<Directive> directives = new ArrayList<Directive>();
for (DirectiveAssembler current : assemblers) {
directives.add(generateDirective(current));
}
return directives;
}
/**
* Generates a directive from a directive assembler.
*
* @param assembler The directive assembler.
* @return The corresponding directive.
* @throws AraraException Something wrong happened, to be caught in the higher levels.
*/
public static Directive generateDirective(DirectiveAssembler assembler) throws AraraException {
String regex = (String) ConfigurationController.getInstance().get("directives.pattern");
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(assembler.getText());
if (matcher.find()) {
Directive directive = new Directive();
directive.setIdentifier(matcher.group(1));
directive.setParameters(getParameters(matcher.group(3), assembler.getLineNumbers()));
Conditional conditional = new Conditional();
conditional.setType(getType(matcher.group(5)));
conditional.setCondition(getCondition(matcher.group(6)));
directive.setConditional(conditional);
directive.setLineNumbers(assembler.getLineNumbers());
logger.info(messages.getMessage(Messages.LOG_INFO_POTENTIAL_DIRECTIVE_FOUND, directive));
return directive;
} else {
throw new AraraException(
messages.getMessage(
Messages.ERROR_VALIDATE_INVALID_DIRECTIVE_FORMAT,
CommonUtils.getCollectionElements(assembler.getLineNumbers(), "(", ")", ", ")));
}
}
