[LIB-13] Modify RegexMatcher for searching by type

[chesshog-scanner.git] / src / main / java / org / hedgecode / chess / scanner / regex / type / RegexSplitter.java

diff --git a/src/main/java/org/hedgecode/chess/scanner/regex/type/RegexSplitter.java b/src/main/java/org/hedgecode/chess/scanner/regex/type/RegexSplitter.java
new file mode 100644 (file)
index 0000000..fe7b5a5
--- /dev/null
+++ b/src/main/java/org/hedgecode/chess/scanner/regex/type/RegexSplitter.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2019-2020. Developed by Hedgecode.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.hedgecode.chess.scanner.regex.type;
+
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.hedgecode.chess.scanner.ChessHogScannerConstants;
+import org.hedgecode.chess.scanner.regex.AbstractRegexResult;
+import org.hedgecode.chess.scanner.regex.RegexMatcher;
+import org.hedgecode.chess.scanner.regex.RegexResult;
+
+/**
+ * RegexSplitter
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public class RegexSplitter extends AbstractRegexResult implements RegexMatcher {
+
+    private Pattern pattern;
+    private StringBuilder current;
+    private String key;
+
+    public RegexSplitter(String match) {
+        pattern = Pattern.compile(match);
+        current = new StringBuilder();
+    }
+
+    @Override
+    public void match(String input) {
+        Matcher matcher = pattern.matcher(input);
+        if (matcher.find()) {
+            if (current.length() > 0) {
+                if (key != null) {
+                    add(key, current.toString());
+                } else {
+                    add(current.toString());
+                }
+                current = new StringBuilder();
+            } else {
+                key = matcher.groupCount() > 0 ? matcher.group(1) : null;
+            }
+        }
+        addCurrent(input);
+    }
+
+    private void addCurrent(String input) {
+        current.append(
+                input
+        ).append(
+                ChessHogScannerConstants.CRLF
+        );
+    }
+
+    @Override
+    public RegexResult result() {
+        return this;
+    }
+
+    @Override
+    public List<String> resultList() {
+        if (current.length() > 0) {
+            add(current.toString());
+            current = new StringBuilder();
+        }
+        return super.resultList();
+    }
+
+    @Override
+    public Map<String, String> resultMap() {
+        if (current.length() > 0) {
+            add(key, current.toString());
+            current = new StringBuilder();
+        }
+        return super.resultMap();
+    }
+
+}