1 files changed, 233 insertions, 0 deletions
diff --git a/sonar-squid/src/main/java/org/sonar/squid/text/Line.java b/sonar-squid/src/main/java/org/sonar/squid/text/Line.java
new file mode 100644
index 00000000000..ef633b4c79f
--- /dev/null
+++ b/sonar-squid/src/main/java/org/sonar/squid/text/Line.java
@@ -0,0 +1,233 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.text;
+
+import org.apache.commons.lang.StringUtils;
+import org.sonar.squid.measures.Measurable;
+import org.sonar.squid.measures.Metric;
+
+class Line implements Measurable<Metric> {
+
+  private final int lineIndex;
+  private int blankLine = 0;
+  private int line = 1;
+  private int lineOfCode = 0;
+  private int commentLine = 0;
+  private int headerCommentLine = 0;
+  private int commentBlankLine = 0;
+  private int commentedOutCodeLine = 0;
+  private String comment = null;
+  private StringBuilder stringLine;
+  private boolean isBlank;
+  private boolean isThereJavadoc;
+  private boolean isThereLicenseHeaderComment;
+  private final static String NOSONAR_TAG = "NOSONAR";
+
+  Line() {
+    this.lineIndex = 0;
+  }
+
+  Line(String stringLine) {
+    this();
+    setString(new StringBuilder(stringLine));
+  }
+
+  Line(int lineIndex, StringBuilder stringLine) {
+    this(lineIndex);
+    setString(stringLine);
+  }
+
+  Line(int lineIndex) {
+    this.lineIndex = lineIndex;
+  }
+
+  final void setString(StringBuilder stringLine) {
+    this.stringLine = stringLine;
+    isBlank = isBlankLine();
+  }
+
+  private boolean isBlankLine() {
+    for (int i = 0; i < stringLine.length(); i++) {
+      if ( !Character.isWhitespace(stringLine.charAt(i))) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public double getDouble(Metric metric) {
+    return getInt(metric);
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public int getInt(Metric metric) {
+    switch (metric) {
+      case BLANK_LINES:
+        return blankLine;
+      case LINES:
+        return line;
+      case LINES_OF_CODE:
+        return lineOfCode;
+      case COMMENT_LINES:
+        return commentLine;
+      case COMMENTED_OUT_CODE_LINES:
+        return commentedOutCodeLine;
+      case COMMENT_BLANK_LINES:
+        return commentBlankLine;
+      case HEADER_COMMENT_LINES:
+        return headerCommentLine;
+      default:
+        throw new IllegalStateException("Metric " + metric.name() + " is not available on Line object.");
+    }
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public void setMeasure(Metric metric, double measure) {
+    setMeasure(metric, (int) measure);
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public void setMeasure(Metric metric, int measure) {
+    switch (metric) {
+      case BLANK_LINES:
+        blankLine = measure;
+        break;
+      case LINES_OF_CODE:
+        lineOfCode = measure;
+        break;
+      case COMMENT_LINES:
+        commentLine = measure;
+        break;
+      case COMMENTED_OUT_CODE_LINES:
+        commentedOutCodeLine = measure;
+        break;
+      case COMMENT_BLANK_LINES:
+        commentBlankLine = measure;
+        break;
+      case HEADER_COMMENT_LINES:
+        headerCommentLine = measure;
+        break;
+      case LINES:
+        throw new IllegalStateException("Metric LINES always equals 1 on a Line and you are not permitted to change this value.");
+      default:
+        throw new IllegalStateException("Metric " + metric.name() + " is not suitable for Line object.");
+    }
+  }
+
+  void setComment(String comment) {
+    this.comment = comment;
+  }
+
+  void setComment(String comment, boolean isJavadoc) {
+    setComment(comment);
+    this.isThereJavadoc = isJavadoc;
+  }
+
+  void setComment(String comment, boolean isJavadoc, boolean isLicenseHeader) {
+    setComment(comment, isJavadoc);
+    this.isThereLicenseHeaderComment = isLicenseHeader;
+  }
+
+  String getString() {
+    return stringLine.toString();
+  }
+
+  boolean isBlank() {
+    return !isThereComment() && isBlank;
+  }
+
+  boolean isThereCode() {
+    if ( !isBlank() && !isThereComment()) {
+      return true;
+    }
+    if (isThereComment() && isThereCodeBeforeOrAfterComment()) {
+      return true;
+    }
+    return false;
+  }
+
+  private boolean isThereCodeBeforeOrAfterComment() {
+    if ( !isThereComment()) {
+      throw new IllegalStateException("You can't call this method when there isn't any comment");
+    }
+    boolean isThereCodeBeforeComment = false;
+    boolean isThereCodeAfterComment = false;
+    int commentStartIndex = stringLine.indexOf(comment);
+    int commentEndIndex = commentStartIndex + comment.length() - 1;
+    if (commentStartIndex > 0) {
+      isThereCodeBeforeComment = !StringUtils.isBlank(stringLine.substring(0, commentStartIndex - 1));
+    }
+    if (commentEndIndex > 0 && commentEndIndex != stringLine.length() - 1) {
+      isThereCodeAfterComment = !StringUtils.isBlank(stringLine.substring(commentEndIndex + 1));
+    }
+    return isThereCodeBeforeComment || isThereCodeAfterComment;
+  }
+
+  boolean isThereComment() {
+    return comment != null;
+  }
+
+  String getComment() {
+    return comment;
+  }
+
+  boolean isThereBlankComment() {
+    if (isThereComment()) {
+      for (int i = 0; i < comment.length(); i++) {
+        char character = comment.charAt(i);
+        if ( !Character.isWhitespace(character) && character != '*' && character != '/') {
+          return false;
+        }
+      }
+      return true;
+    }
+    return false;
+  }
+
+  boolean isThereJavadoc() {
+    return isThereJavadoc;
+  }
+
+  boolean isThereLicenseHeaderComment() {
+    return isThereLicenseHeaderComment;
+  }
+
+  boolean isThereNoSonarTag() {
+    return isThereComment() && comment.contains(NOSONAR_TAG);
+  }
+
+  int getLineIndex() {
+    return lineIndex;
+  }
+
+  void deleteLineContent() {
+    comment = null;
+    stringLine = null;
+  }
+}