net.sourceforge.plantuml.command.CommandMultilinesBracket Maven / Gradle / Ivy
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PlantUML is a component that allows to quickly write diagrams from text.
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
package net.sourceforge.plantuml.command;
import net.sourceforge.plantuml.core.Diagram;
import net.sourceforge.plantuml.regex.Matcher2;
import net.sourceforge.plantuml.regex.MyPattern;
import net.sourceforge.plantuml.regex.Pattern2;
import net.sourceforge.plantuml.text.StringLocated;
import net.sourceforge.plantuml.utils.BlocLines;
public abstract class CommandMultilinesBracket implements Command {
private final Pattern2 starting;
public CommandMultilinesBracket(String patternStart) {
if (patternStart.startsWith("^") == false || patternStart.endsWith("$") == false)
throw new IllegalArgumentException("Bad pattern " + patternStart);
this.starting = MyPattern.cmpile(patternStart);
}
protected boolean isCommandForbidden() {
return false;
}
public String[] getDescription() {
return new String[] { "BRACKET: " + starting.pattern() };
}
protected CommandControl finalVerification() {
return CommandControl.OK;
}
protected final Pattern2 getStartingPattern() {
return starting;
}
final public CommandControl isValid(BlocLines lines) {
if (isCommandForbidden())
return CommandControl.NOT_OK;
final Matcher2 m1 = starting.matcher(lines.getFirst().getTrimmed().getString());
if (m1.matches() == false)
return CommandControl.NOT_OK;
if (lines.size() == 1)
return CommandControl.OK_PARTIAL;
int level = 1;
for (StringLocated cs : lines.subExtract(1, 0)) {
final String s = cs.getTrimmed().getString();
if (isLineConsistent(s, level) == false)
return CommandControl.NOT_OK;
if (s.endsWith("{"))
level++;
if (s.endsWith("}"))
level--;
if (level < 0)
return CommandControl.NOT_OK;
}
if (level != 0)
return CommandControl.OK_PARTIAL;
return finalVerification();
}
protected abstract boolean isLineConsistent(String line, int level);
}