58 lines
1.9 KiB
Java
58 lines
1.9 KiB
Java
package io.gitlab.jfronny.inceptum.cli;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
|
|
public class HelpBuilder {
|
|
private final StringBuilder builder;
|
|
private final int level;
|
|
private final List<String> upper;
|
|
|
|
public HelpBuilder() {
|
|
this.builder = new StringBuilder();
|
|
this.level = 0;
|
|
this.upper = List.of();
|
|
}
|
|
|
|
private HelpBuilder(int level, StringBuilder builder, List<String> upper) {
|
|
this.upper = upper;
|
|
this.builder = builder;
|
|
this.level = level;
|
|
}
|
|
|
|
public String getResult() {
|
|
return builder.length() > 0 ? builder.substring(1) : "";
|
|
}
|
|
|
|
public HelpBuilder beginSubcommand(String of) {
|
|
List<String> newUpper = new ArrayList<>(upper);
|
|
newUpper.add(of);
|
|
return new HelpBuilder(level + 1, builder, List.copyOf(newUpper));
|
|
}
|
|
|
|
public void writeCommand(List<String> aliases, String help, String usage) {
|
|
if (aliases.isEmpty) return;
|
|
String indent = " ".repeat(level * 2);
|
|
builder.append('\n').append(indent).append("- ");
|
|
for (int i = 0, aliasesSize = aliases.size(); i < aliasesSize; i++) {
|
|
String alias = aliases[i];
|
|
builder.append(alias);
|
|
if (i < aliasesSize - 1)
|
|
builder.append(", ");
|
|
}
|
|
builder.append(": ").append(help.replace("\n", "\n " + indent));
|
|
if (level == 0 && !usage.isBlank()) {
|
|
StringBuilder usagePrefix = new StringBuilder("inceptum");
|
|
for (String s : upper) {
|
|
usagePrefix.append(" ").append(s);
|
|
}
|
|
usagePrefix.append(" ").append(aliases[0]).append(" ");
|
|
builder.append("\n ")
|
|
.append(indent)
|
|
.append("Usage: ")
|
|
.append(usagePrefix)
|
|
.append(usage.replace("\n", "\n " + indent + usagePrefix));
|
|
}
|
|
}
|
|
}
|