mirror of https://github.com/M66B/FairEmail.git
Refactoring
This commit is contained in:
M66B
parent
0aa628dc99
commit
21defedb76
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@ -20,7 +20,6 @@ package eu.faircode.email;
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*/
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import static androidx.room.ForeignKey.CASCADE;
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import static com.ezylang.evalex.operators.OperatorIfc.OPERATOR_PRECEDENCE_COMPARISON;
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import android.Manifest;
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import android.content.ContentResolver;
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@ -44,15 +43,7 @@ import androidx.room.PrimaryKey;
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import com.ezylang.evalex.EvaluationException;
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import com.ezylang.evalex.Expression;
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import com.ezylang.evalex.config.ExpressionConfiguration;
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import com.ezylang.evalex.data.EvaluationValue;
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import com.ezylang.evalex.functions.AbstractFunction;
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import com.ezylang.evalex.functions.FunctionParameter;
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import com.ezylang.evalex.operators.AbstractOperator;
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import com.ezylang.evalex.operators.InfixOperator;
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import com.ezylang.evalex.parser.ASTNode;
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import com.ezylang.evalex.parser.ParseException;
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import com.ezylang.evalex.parser.Token;
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import org.json.JSONException;
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import org.json.JSONObject;
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@ -63,7 +54,6 @@ import java.io.ByteArrayInputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.lang.reflect.Field;
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import java.net.URL;
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import java.nio.charset.StandardCharsets;
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import java.text.DateFormat;
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@ -204,11 +194,11 @@ public class EntityRule {
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}
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if (jcondition.has("expression")) {
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Expression expression = getExpression(rule, null, null, null, null);
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Expression expression = ExpressionHelper.getExpression(rule, null, null, null, null);
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if (expression != null) {
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if ("header".equals(what) && needsHeaders(expression))
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if ("header".equals(what) && ExpressionHelper.needsHeaders(expression))
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return true;
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if ("body".equals(what) && needsBody(expression))
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if ("body".equals(what) && ExpressionHelper.needsBody(expression))
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return true;
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}
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}
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@ -494,9 +484,9 @@ public class EntityRule {
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}
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// Expression
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Expression expression = getExpression(this, message, headers, html, context);
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Expression expression = ExpressionHelper.getExpression(this, message, headers, html, context);
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if (expression != null) {
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if (needsHeaders(expression) && headers == null && message.headers == null)
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if (ExpressionHelper.needsHeaders(expression) && headers == null && message.headers == null)
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throw new IllegalArgumentException(context.getString(R.string.title_rule_no_headers));
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Log.i("EXPR evaluating='" + jcondition.getString("expression") + "'");
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@ -637,339 +627,6 @@ public class EntityRule {
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return matched;
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}
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@FunctionParameter(name = "value")
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public static class HeaderFunction extends AbstractFunction {
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private final List<Header> headers;
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HeaderFunction(List<Header> headers) {
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this.headers = headers;
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}
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@Override
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public EvaluationValue evaluate(
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Expression expression, Token functionToken, EvaluationValue... parameterValues) {
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List<String> result = new ArrayList<>();
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try {
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if (parameterValues.length == 1) {
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String name = parameterValues[0].getStringValue();
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if (name != null && headers != null)
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for (Header header : headers)
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if (name.equalsIgnoreCase(header.getName()))
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result.add(header.getValue());
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}
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} catch (Throwable ex) {
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Log.e("EXPR", ex);
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}
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Log.i("EXPR header(" + parameterValues[0] + ")=" + TextUtils.join(", ", result));
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return new EvaluationValue(result, ExpressionConfiguration.defaultConfiguration());
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}
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}
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@FunctionParameter(name = "value")
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public static class MessageFunction extends AbstractFunction {
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private final EntityMessage message;
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MessageFunction(EntityMessage message) {
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this.message = message;
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}
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@Override
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public EvaluationValue evaluate(
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Expression expression, Token functionToken, EvaluationValue... parameterValues) {
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List<Object> result = new ArrayList<>();
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try {
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if (parameterValues.length == 1) {
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String name = parameterValues[0].getStringValue();
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if (name != null && message != null) {
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Field field = message.getClass().getField(name);
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field.setAccessible(true);
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Object value = field.get(message);
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if (value != null)
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result.add(value);
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}
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}
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} catch (Throwable ex) {
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Log.e("EXPR", ex);
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}
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Log.i("EXPR message(" + parameterValues[0] + ")=" + TextUtils.join(", ", result));
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return new EvaluationValue(result, ExpressionConfiguration.defaultConfiguration());
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}
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}
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public static class BlocklistFunction extends AbstractFunction {
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private final Context context;
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private final List<Header> headers;
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private final EntityMessage message;
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BlocklistFunction(Context context, EntityMessage message, List<Header> headers) {
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this.context = context;
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this.message = message;
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this.headers = headers;
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}
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@Override
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public EvaluationValue evaluate(
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Expression expression, Token functionToken, EvaluationValue... parameterValues) {
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boolean result = false;
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try {
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if (message != null && message.from != null)
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result = Boolean.TRUE.equals(DnsBlockList.isJunk(context, Arrays.asList(message.from)));
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List<String> received = new ArrayList<>();
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if (headers != null)
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for (Header header : headers)
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if (header.getName().equalsIgnoreCase("Received"))
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received.add(header.getValue());
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result = result || Boolean.TRUE.equals(DnsBlockList.isJunk(context, received.toArray(new String[0])));
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} catch (Throwable ex) {
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Log.e("EXPR", ex);
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}
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Log.i("EXPR blocklist()=" + result);
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return expression.convertValue(result);
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}
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}
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public static class MxFunction extends AbstractFunction {
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private final Context context;
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private final EntityMessage message;
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MxFunction(Context context, EntityMessage message) {
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this.context = context;
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this.message = message;
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}
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@Override
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public EvaluationValue evaluate(
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Expression expression, Token functionToken, EvaluationValue... parameterValues) {
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boolean result = false;
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try {
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Address[] addresses =
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(message.reply == null || message.reply.length == 0
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? message.from : message.reply);
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DnsHelper.checkMx(context, addresses);
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result = true;
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} catch (Throwable ex) {
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Log.e("EXPR", ex);
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}
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Log.i("EXPR mx()=" + result);
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return expression.convertValue(result);
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}
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}
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public static class AttachmentsFunction extends AbstractFunction {
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private final Context context;
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private final EntityMessage message;
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AttachmentsFunction(Context context, EntityMessage message) {
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this.context = context;
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this.message = message;
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}
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@Override
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public EvaluationValue evaluate(
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Expression expression, Token functionToken, EvaluationValue... parameterValues) {
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int result = 0;
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if (message != null) {
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DB db = DB.getInstance(context);
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result = db.attachment().countAttachments(message.id);
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}
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Log.i("EXPR attachments()=" + result);
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return expression.convertValue(result);
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}
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}
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@FunctionParameter(name = "value")
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public static class JsoupFunction extends AbstractFunction {
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private final Context context;
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private final EntityMessage message;
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JsoupFunction(Context context, EntityMessage message) {
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this.context = context;
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this.message = message;
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}
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@Override
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public EvaluationValue evaluate(
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Expression expression, Token functionToken, EvaluationValue... parameterValues) {
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List<String> result = new ArrayList<>();
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if (message != null && message.content && parameterValues.length == 1)
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try {
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String query = parameterValues[0].getStringValue();
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File file = message.getFile(context);
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Document d = JsoupEx.parse(file);
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for (Element element : d.select(query))
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result.add(element.text());
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} catch (Throwable ex) {
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Log.e("EXPR", ex);
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}
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Log.i("EXPR jsoup(" + parameterValues[0] + ")=" + TextUtils.join(", ", result));
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return new EvaluationValue(result, ExpressionConfiguration.defaultConfiguration());
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}
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}
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@InfixOperator(precedence = OPERATOR_PRECEDENCE_COMPARISON)
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public static class ContainsOperator extends AbstractOperator {
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private final boolean regex;
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ContainsOperator(boolean regex) {
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this.regex = regex;
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}
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@Override
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public EvaluationValue evaluate(
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Expression expression, Token operatorToken, EvaluationValue... operands) {
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boolean result = false;
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try {
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if (operands.length == 2) {
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List<EvaluationValue> array;
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if (operands[1].getDataType() == EvaluationValue.DataType.ARRAY)
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array = operands[0].getArrayValue();
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else
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array = Arrays.asList(operands[0]);
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String condition = operands[1].getStringValue();
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if (array != null && !array.isEmpty() && !TextUtils.isEmpty(condition))
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for (EvaluationValue item : array) {
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String value = item.getStringValue();
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if (!TextUtils.isEmpty(value))
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if (regex
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? Pattern.compile(condition, Pattern.DOTALL).matcher(value).matches()
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: value.toLowerCase().contains(condition.toLowerCase())) {
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result = true;
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break;
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}
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}
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}
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} catch (Throwable ex) {
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Log.e("EXPR", ex);
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}
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Log.i("EXPR " + operands[0] + (regex ? " MATCHES " : " CONTAINS ") + operands[1] +
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" regex=" + regex + " result=" + result);
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return expression.convertValue(result);
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}
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}
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static Expression getExpression(EntityRule rule, EntityMessage message, List<Header> headers, String html, Context context) throws JSONException, ParseException, MessagingException {
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// https://ezylang.github.io/EvalEx/
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JSONObject jcondition = new JSONObject(rule.condition);
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if (!jcondition.has("expression"))
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return null;
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String eval = jcondition.getString("expression");
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List<String> to = new ArrayList<>();
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if (message != null && message.to != null)
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for (Address a : message.to)
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to.add(MessageHelper.formatAddresses(new Address[]{a}));
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List<String> from = new ArrayList<>();
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if (message != null && message.from != null)
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for (Address a : message.from)
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from.add(MessageHelper.formatAddresses(new Address[]{a}));
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if (html == null && message != null && message.content)
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try {
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html = Helper.readText(message.getFile(context));
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} catch (IOException ex) {
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Log.e(ex);
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}
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Document doc = (html == null ? null : JsoupEx.parse(html));
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if (headers == null && message != null && message.headers != null) {
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ByteArrayInputStream bis = new ByteArrayInputStream(message.headers.getBytes());
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headers = Collections.list(new InternetHeaders(bis, true).getAllHeaders());
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}
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HeaderFunction fHeader = new HeaderFunction(headers);
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MessageFunction fMessage = new MessageFunction(message);
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BlocklistFunction fBlocklist = new BlocklistFunction(context, message, headers);
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MxFunction fMx = new MxFunction(context, message);
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AttachmentsFunction fAttachments = new AttachmentsFunction(context, message);
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JsoupFunction fJsoup = new JsoupFunction(context, message);
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ContainsOperator oContains = new ContainsOperator(false);
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ContainsOperator oMatches = new ContainsOperator(true);
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ExpressionConfiguration configuration = ExpressionConfiguration.defaultConfiguration();
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configuration.getFunctionDictionary().addFunction("Header", fHeader);
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configuration.getFunctionDictionary().addFunction("Message", fMessage);
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configuration.getFunctionDictionary().addFunction("Blocklist", fBlocklist);
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configuration.getFunctionDictionary().addFunction("onBlocklist", fBlocklist);
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configuration.getFunctionDictionary().addFunction("hasMx", fMx);
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configuration.getFunctionDictionary().addFunction("attachments", fAttachments);
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configuration.getFunctionDictionary().addFunction("Jsoup", fJsoup);
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configuration.getOperatorDictionary().addOperator("Contains", oContains);
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configuration.getOperatorDictionary().addOperator("Matches", oMatches);
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Expression expression = new Expression(eval, configuration)
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.with("to", to)
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.with("from", from)
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.with("subject", message == null ? null : message.subject)
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.with("text", doc == null ? null : doc.text());
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if (message != null) {
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boolean hasAttachments = false;
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for (String variable : expression.getUsedVariables())
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if (!hasAttachments && "hasAttachments".equals(variable)) {
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hasAttachments = true;
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DB db = DB.getInstance(context);
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List<EntityAttachment> attachments = db.attachment().getAttachments(message.id);
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expression.with("hasAttachments", attachments != null && !attachments.isEmpty());
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}
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}
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return expression;
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}
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static boolean needsHeaders(Expression expression) {
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try {
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expression.validate();
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for (ASTNode node : expression.getAllASTNodes()) {
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Token token = node.getToken();
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Log.i("EXPR token=" + token.getType() + ":" + token.getValue());
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if (token.getType() == Token.TokenType.FUNCTION &&
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("header".equalsIgnoreCase(token.getValue()) ||
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"blocklist".equalsIgnoreCase(token.getValue()))) {
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Log.i("EXPR needs headers");
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return true;
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}
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}
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} catch (Throwable ex) {
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Log.e("EXPR", ex);
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}
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return false;
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}
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static boolean needsBody(Expression expression) {
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try {
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for (String variable : expression.getUsedVariables())
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if ("text".equalsIgnoreCase(variable))
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return true;
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} catch (Throwable ex) {
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Log.e("EXPR", ex);
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}
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return false;
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}
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boolean execute(Context context, EntityMessage message, String html) throws JSONException, IOException {
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boolean executed = _execute(context, message, html);
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if (this.id != null && executed) {
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@ -1033,7 +690,7 @@ public class EntityRule {
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void validate(Context context) throws JSONException, IllegalArgumentException {
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try {
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Expression expression = getExpression(this, null, null, null, context);
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Expression expression = ExpressionHelper.getExpression(this, null, null, null, context);
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if (expression != null) {
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for (String variable : expression.getUsedVariables()) {
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Log.i("EXPR variable=" + variable);
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@ -0,0 +1,391 @@
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package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2024 by Marcel Bokhorst (M66B)
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*/
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import static com.ezylang.evalex.operators.OperatorIfc.OPERATOR_PRECEDENCE_COMPARISON;
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import android.content.Context;
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import android.text.TextUtils;
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import com.ezylang.evalex.Expression;
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import com.ezylang.evalex.config.ExpressionConfiguration;
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import com.ezylang.evalex.data.EvaluationValue;
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import com.ezylang.evalex.functions.AbstractFunction;
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import com.ezylang.evalex.functions.FunctionParameter;
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import com.ezylang.evalex.operators.AbstractOperator;
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import com.ezylang.evalex.operators.InfixOperator;
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import com.ezylang.evalex.parser.ASTNode;
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import com.ezylang.evalex.parser.ParseException;
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import com.ezylang.evalex.parser.Token;
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import org.json.JSONException;
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import org.json.JSONObject;
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import org.jsoup.nodes.Document;
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import org.jsoup.nodes.Element;
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import java.io.ByteArrayInputStream;
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import java.io.File;
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import java.io.IOException;
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import java.lang.reflect.Field;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import java.util.regex.Pattern;
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import javax.mail.Address;
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import javax.mail.Header;
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import javax.mail.MessagingException;
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import javax.mail.internet.InternetHeaders;
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public class ExpressionHelper {
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static Expression getExpression(EntityRule rule, EntityMessage message, List<Header> headers, String html, Context context) throws JSONException, ParseException, MessagingException {
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// https://ezylang.github.io/EvalEx/
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|
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JSONObject jcondition = new JSONObject(rule.condition);
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if (!jcondition.has("expression"))
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return null;
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String eval = jcondition.getString("expression");
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List<String> to = new ArrayList<>();
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if (message != null && message.to != null)
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for (Address a : message.to)
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to.add(MessageHelper.formatAddresses(new Address[]{a}));
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List<String> from = new ArrayList<>();
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if (message != null && message.from != null)
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for (Address a : message.from)
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from.add(MessageHelper.formatAddresses(new Address[]{a}));
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|
||||
if (html == null && message != null && message.content)
|
||||
try {
|
||||
html = Helper.readText(message.getFile(context));
|
||||
} catch (IOException ex) {
|
||||
Log.e(ex);
|
||||
}
|
||||
|
||||
Document doc = (html == null ? null : JsoupEx.parse(html));
|
||||
|
||||
if (headers == null && message != null && message.headers != null) {
|
||||
ByteArrayInputStream bis = new ByteArrayInputStream(message.headers.getBytes());
|
||||
headers = Collections.list(new InternetHeaders(bis, true).getAllHeaders());
|
||||
}
|
||||
|
||||
HeaderFunction fHeader = new HeaderFunction(headers);
|
||||
MessageFunction fMessage = new MessageFunction(message);
|
||||
BlocklistFunction fBlocklist = new BlocklistFunction(context, message, headers);
|
||||
MxFunction fMx = new MxFunction(context, message);
|
||||
AttachmentsFunction fAttachments = new AttachmentsFunction(context, message);
|
||||
JsoupFunction fJsoup = new JsoupFunction(context, message);
|
||||
|
||||
ContainsOperator oContains = new ContainsOperator(false);
|
||||
ContainsOperator oMatches = new ContainsOperator(true);
|
||||
|
||||
ExpressionConfiguration configuration = ExpressionConfiguration.defaultConfiguration();
|
||||
|
||||
configuration.getFunctionDictionary().addFunction("Header", fHeader);
|
||||
configuration.getFunctionDictionary().addFunction("Message", fMessage);
|
||||
configuration.getFunctionDictionary().addFunction("Blocklist", fBlocklist);
|
||||
configuration.getFunctionDictionary().addFunction("onBlocklist", fBlocklist);
|
||||
configuration.getFunctionDictionary().addFunction("hasMx", fMx);
|
||||
configuration.getFunctionDictionary().addFunction("attachments", fAttachments);
|
||||
configuration.getFunctionDictionary().addFunction("Jsoup", fJsoup);
|
||||
|
||||
configuration.getOperatorDictionary().addOperator("Contains", oContains);
|
||||
configuration.getOperatorDictionary().addOperator("Matches", oMatches);
|
||||
|
||||
Expression expression = new Expression(eval, configuration)
|
||||
.with("to", to)
|
||||
.with("from", from)
|
||||
.with("subject", message == null ? null : message.subject)
|
||||
.with("text", doc == null ? null : doc.text());
|
||||
|
||||
if (message != null) {
|
||||
boolean hasAttachments = false;
|
||||
for (String variable : expression.getUsedVariables())
|
||||
if (!hasAttachments && "hasAttachments".equals(variable)) {
|
||||
hasAttachments = true;
|
||||
DB db = DB.getInstance(context);
|
||||
List<EntityAttachment> attachments = db.attachment().getAttachments(message.id);
|
||||
expression.with("hasAttachments", attachments != null && !attachments.isEmpty());
|
||||
}
|
||||
}
|
||||
|
||||
return expression;
|
||||
}
|
||||
|
||||
static boolean needsHeaders(Expression expression) {
|
||||
try {
|
||||
expression.validate();
|
||||
for (ASTNode node : expression.getAllASTNodes()) {
|
||||
Token token = node.getToken();
|
||||
Log.i("EXPR token=" + token.getType() + ":" + token.getValue());
|
||||
if (token.getType() == Token.TokenType.FUNCTION &&
|
||||
("header".equalsIgnoreCase(token.getValue()) ||
|
||||
"blocklist".equalsIgnoreCase(token.getValue()))) {
|
||||
Log.i("EXPR needs headers");
|
||||
return true;
|
||||
}
|
||||
}
|
||||
} catch (Throwable ex) {
|
||||
Log.e("EXPR", ex);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
static boolean needsBody(Expression expression) {
|
||||
try {
|
||||
for (String variable : expression.getUsedVariables())
|
||||
if ("text".equalsIgnoreCase(variable))
|
||||
return true;
|
||||
} catch (Throwable ex) {
|
||||
Log.e("EXPR", ex);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@FunctionParameter(name = "value")
|
||||
public static class HeaderFunction extends AbstractFunction {
|
||||
private final List<Header> headers;
|
||||
|
||||
HeaderFunction(List<Header> headers) {
|
||||
this.headers = headers;
|
||||
}
|
||||
|
||||
@Override
|
||||
public EvaluationValue evaluate(
|
||||
Expression expression, Token functionToken, EvaluationValue... parameterValues) {
|
||||
List<String> result = new ArrayList<>();
|
||||
|
||||
try {
|
||||
if (parameterValues.length == 1) {
|
||||
String name = parameterValues[0].getStringValue();
|
||||
if (name != null && headers != null)
|
||||
for (Header header : headers)
|
||||
if (name.equalsIgnoreCase(header.getName()))
|
||||
result.add(header.getValue());
|
||||
}
|
||||
} catch (Throwable ex) {
|
||||
Log.e("EXPR", ex);
|
||||
}
|
||||
|
||||
Log.i("EXPR header(" + parameterValues[0] + ")=" + TextUtils.join(", ", result));
|
||||
return new EvaluationValue(result, ExpressionConfiguration.defaultConfiguration());
|
||||
}
|
||||
}
|
||||
|
||||
@FunctionParameter(name = "value")
|
||||
public static class MessageFunction extends AbstractFunction {
|
||||
private final EntityMessage message;
|
||||
|
||||
MessageFunction(EntityMessage message) {
|
||||
this.message = message;
|
||||
}
|
||||
|
||||
@Override
|
||||
public EvaluationValue evaluate(
|
||||
Expression expression, Token functionToken, EvaluationValue... parameterValues) {
|
||||
List<Object> result = new ArrayList<>();
|
||||
|
||||
try {
|
||||
if (parameterValues.length == 1) {
|
||||
String name = parameterValues[0].getStringValue();
|
||||
if (name != null && message != null) {
|
||||
Field field = message.getClass().getField(name);
|
||||
field.setAccessible(true);
|
||||
Object value = field.get(message);
|
||||
if (value != null)
|
||||
result.add(value);
|
||||
}
|
||||
}
|
||||
} catch (Throwable ex) {
|
||||
Log.e("EXPR", ex);
|
||||
}
|
||||
|
||||
Log.i("EXPR message(" + parameterValues[0] + ")=" + TextUtils.join(", ", result));
|
||||
return new EvaluationValue(result, ExpressionConfiguration.defaultConfiguration());
|
||||
}
|
||||
}
|
||||
|
||||
public static class BlocklistFunction extends AbstractFunction {
|
||||
private final Context context;
|
||||
private final List<Header> headers;
|
||||
private final EntityMessage message;
|
||||
|
||||
BlocklistFunction(Context context, EntityMessage message, List<Header> headers) {
|
||||
this.context = context;
|
||||
this.message = message;
|
||||
this.headers = headers;
|
||||
}
|
||||
|
||||
@Override
|
||||
public EvaluationValue evaluate(
|
||||
Expression expression, Token functionToken, EvaluationValue... parameterValues) {
|
||||
boolean result = false;
|
||||
|
||||
try {
|
||||
if (message != null && message.from != null)
|
||||
result = Boolean.TRUE.equals(DnsBlockList.isJunk(context, Arrays.asList(message.from)));
|
||||
|
||||
List<String> received = new ArrayList<>();
|
||||
if (headers != null)
|
||||
for (Header header : headers)
|
||||
if (header.getName().equalsIgnoreCase("Received"))
|
||||
received.add(header.getValue());
|
||||
result = result || Boolean.TRUE.equals(DnsBlockList.isJunk(context, received.toArray(new String[0])));
|
||||
} catch (Throwable ex) {
|
||||
Log.e("EXPR", ex);
|
||||
}
|
||||
|
||||
Log.i("EXPR blocklist()=" + result);
|
||||
return expression.convertValue(result);
|
||||
}
|
||||
}
|
||||
|
||||
public static class MxFunction extends AbstractFunction {
|
||||
private final Context context;
|
||||
private final EntityMessage message;
|
||||
|
||||
MxFunction(Context context, EntityMessage message) {
|
||||
this.context = context;
|
||||
this.message = message;
|
||||
}
|
||||
|
||||
@Override
|
||||
public EvaluationValue evaluate(
|
||||
Expression expression, Token functionToken, EvaluationValue... parameterValues) {
|
||||
boolean result = false;
|
||||
|
||||
try {
|
||||
Address[] addresses =
|
||||
(message.reply == null || message.reply.length == 0
|
||||
? message.from : message.reply);
|
||||
DnsHelper.checkMx(context, addresses);
|
||||
result = true;
|
||||
} catch (Throwable ex) {
|
||||
Log.e("EXPR", ex);
|
||||
}
|
||||
|
||||
Log.i("EXPR mx()=" + result);
|
||||
return expression.convertValue(result);
|
||||
}
|
||||
}
|
||||
|
||||
public static class AttachmentsFunction extends AbstractFunction {
|
||||
private final Context context;
|
||||
private final EntityMessage message;
|
||||
|
||||
AttachmentsFunction(Context context, EntityMessage message) {
|
||||
this.context = context;
|
||||
this.message = message;
|
||||
}
|
||||
|
||||
@Override
|
||||
public EvaluationValue evaluate(
|
||||
Expression expression, Token functionToken, EvaluationValue... parameterValues) {
|
||||
int result = 0;
|
||||
|
||||
if (message != null) {
|
||||
DB db = DB.getInstance(context);
|
||||
result = db.attachment().countAttachments(message.id);
|
||||
}
|
||||
|
||||
Log.i("EXPR attachments()=" + result);
|
||||
return expression.convertValue(result);
|
||||
}
|
||||
}
|
||||
|
||||
@FunctionParameter(name = "value")
|
||||
public static class JsoupFunction extends AbstractFunction {
|
||||
private final Context context;
|
||||
private final EntityMessage message;
|
||||
|
||||
JsoupFunction(Context context, EntityMessage message) {
|
||||
this.context = context;
|
||||
this.message = message;
|
||||
}
|
||||
|
||||
@Override
|
||||
public EvaluationValue evaluate(
|
||||
Expression expression, Token functionToken, EvaluationValue... parameterValues) {
|
||||
List<String> result = new ArrayList<>();
|
||||
|
||||
if (message != null && message.content && parameterValues.length == 1)
|
||||
try {
|
||||
String query = parameterValues[0].getStringValue();
|
||||
File file = message.getFile(context);
|
||||
Document d = JsoupEx.parse(file);
|
||||
for (Element element : d.select(query))
|
||||
result.add(element.text());
|
||||
} catch (Throwable ex) {
|
||||
Log.e("EXPR", ex);
|
||||
}
|
||||
|
||||
Log.i("EXPR jsoup(" + parameterValues[0] + ")=" + TextUtils.join(", ", result));
|
||||
return new EvaluationValue(result, ExpressionConfiguration.defaultConfiguration());
|
||||
}
|
||||
}
|
||||
|
||||
@InfixOperator(precedence = OPERATOR_PRECEDENCE_COMPARISON)
|
||||
public static class ContainsOperator extends AbstractOperator {
|
||||
private final boolean regex;
|
||||
|
||||
ContainsOperator(boolean regex) {
|
||||
this.regex = regex;
|
||||
}
|
||||
|
||||
@Override
|
||||
public EvaluationValue evaluate(
|
||||
Expression expression, Token operatorToken, EvaluationValue... operands) {
|
||||
boolean result = false;
|
||||
|
||||
try {
|
||||
if (operands.length == 2) {
|
||||
List<EvaluationValue> array;
|
||||
if (operands[1].getDataType() == EvaluationValue.DataType.ARRAY)
|
||||
array = operands[0].getArrayValue();
|
||||
else
|
||||
array = Arrays.asList(operands[0]);
|
||||
|
||||
String condition = operands[1].getStringValue();
|
||||
|
||||
if (array != null && !array.isEmpty() && !TextUtils.isEmpty(condition))
|
||||
for (EvaluationValue item : array) {
|
||||
String value = item.getStringValue();
|
||||
if (!TextUtils.isEmpty(value))
|
||||
if (regex
|
||||
? Pattern.compile(condition, Pattern.DOTALL).matcher(value).matches()
|
||||
: value.toLowerCase().contains(condition.toLowerCase())) {
|
||||
result = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
} catch (Throwable ex) {
|
||||
Log.e("EXPR", ex);
|
||||
}
|
||||
|
||||
Log.i("EXPR " + operands[0] + (regex ? " MATCHES " : " CONTAINS ") + operands[1] +
|
||||
" regex=" + regex + " result=" + result);
|
||||
|
||||
return expression.convertValue(result);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue