package org.erlide.engine.internal.services.text;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.erlide.engine.services.text.IndentResult;
import org.erlide.engine.services.text.IndentService;
import org.erlide.runtime.api.IOtpRpc;
import org.erlide.runtime.rpc.RpcException;
import com.ericsson.otp.erlang.OtpErlangAtom;
import com.ericsson.otp.erlang.OtpErlangLong;
import com.ericsson.otp.erlang.OtpErlangObject;
import com.ericsson.otp.erlang.OtpErlangRangeException;
import com.ericsson.otp.erlang.OtpErlangTuple;
public class ErlideIndent implements IndentService {
private final IOtpRpc backend;
public ErlideIndent(final IOtpRpc backend) {
this.backend = backend;
}
private List<OtpErlangTuple> fixIndentPrefs(final Map<String, String> m) {
final List<OtpErlangTuple> result = new ArrayList<OtpErlangTuple>(m.size());
for (final Map.Entry<String, String> e : m.entrySet()) {
final OtpErlangAtom a = new OtpErlangAtom(e.getKey());
final String s = e.getValue();
int n;
if ("false".equals(s)) {
n = 0;
} else if ("true".equals(s)) {
n = 1;
} else {
n = Integer.parseInt(s);
}
final OtpErlangLong l = new OtpErlangLong(n);
final OtpErlangTuple t = new OtpErlangTuple(new OtpErlangObject[] { a, l });
result.add(t);
}
return result;
}
@Override
@SuppressWarnings("boxing")
public IndentResult indentLine(final String oldLine, final String txt,
final String insertedText, final int tabw, final boolean useTabs,
final Map<String, String> prefs) throws RpcException, OtpErlangRangeException {
// ErlLogger.debug("indentLine '%s'", txt);
final OtpErlangObject o = backend.call("erlide_indent", "indent_line", "sssiox",
txt, oldLine, insertedText, tabw, useTabs, fixIndentPrefs(prefs));
return new IndentResult(o);
}
@Override
@SuppressWarnings("boxing")
public OtpErlangObject indentLines(final int offset, final int length,
final String text, final int tabw, final boolean useTabs,
final Map<String, String> prefs) throws RpcException {
final OtpErlangObject o = backend.call(40000, "erlide_indent", "indent_lines",
"siiiolx", text, offset, length, tabw, useTabs, fixIndentPrefs(prefs));
return o;
}
@Override
public OtpErlangObject templateIndentLines(final String prefix, final String text,
final int tabw, final boolean useTabs, final Map<String, String> prefs)
throws RpcException {
final OtpErlangObject o = backend.call(20000, "erlide_indent",
"template_indent_lines", "ssiolx", prefix, text, tabw, useTabs,
fixIndentPrefs(prefs));
return o;
}
}