fix file encoding support (UTF-8, UTF-16, with/without BOM)

appveyor.yml

@@ -95,7 +95,7 @@ build_script:
 #---------------------------------#
 artifacts:
   - path: 'sonar-cxx-plugin\target\*.jar'
-  - path: 'sslr-cxx-toolkit\target\*.jar'
+  - path: 'cxx-sslr-toolkit\target\*.jar'
 
 #---------------------------------#
 #        global handlers          #

cxx-checks/pom.xml

@@ -27,6 +27,11 @@
       <artifactId>cxx-squid</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>cxx-squid-bridge</artifactId>
+      <version>${project.version}</version>
+    </dependency>
     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>

cxx-checks/src/main/java/org/sonar/cxx/checks/api/UndocumentedApiCheck.java

@@ -30,8 +30,8 @@
 import org.sonar.check.Rule;
 import org.sonar.cxx.tag.Tag;
 import org.sonar.cxx.visitors.AbstractCxxPublicApiVisitor;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.SqaleConstantRemediation;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.SqaleConstantRemediation;
 
 /**
  * Check that generates issue for undocumented API items.<br>

cxx-checks/src/main/java/org/sonar/cxx/checks/error/ParsingErrorCheck.java

@@ -26,10 +26,10 @@
 import org.sonar.check.Priority;
 import org.sonar.check.Rule;
 import org.sonar.cxx.tag.Tag;
-import org.sonar.squidbridge.AstScannerExceptionHandler;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.NoSqale;
-import org.sonar.squidbridge.checks.SquidCheck;
+import org.sonar.cxx.squidbridge.AstScannerExceptionHandler;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.NoSqale;
+import org.sonar.cxx.squidbridge.checks.SquidCheck;
 
 @Rule(
   key = "ParsingError",

cxx-checks/src/main/java/org/sonar/cxx/checks/error/ParsingErrorRecoveryCheck.java

@@ -25,9 +25,9 @@
 import org.sonar.check.Rule;
 import org.sonar.cxx.parser.CxxGrammarImpl;
 import org.sonar.cxx.tag.Tag;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.NoSqale;
-import org.sonar.squidbridge.checks.SquidCheck;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.NoSqale;
+import org.sonar.cxx.squidbridge.checks.SquidCheck;
 
 @Rule(
   key = "ParsingErrorRecovery",

cxx-checks/src/main/java/org/sonar/cxx/checks/file/FileEncodingCheck.java

@@ -27,10 +27,10 @@
 import java.nio.file.Files;
 import org.sonar.check.Priority;
 import org.sonar.check.Rule;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.NoSqale;
+import org.sonar.cxx.squidbridge.checks.SquidCheck;
 import org.sonar.cxx.visitors.CxxCharsetAwareVisitor;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.NoSqale;
-import org.sonar.squidbridge.checks.SquidCheck;
 
 /**
  * FileEncodingCheck
@@ -53,7 +53,7 @@ public void setCharset(Charset charset) {
   @Override
   public void visitFile(AstNode astNode) {
     try {
-      Files.readAllLines(getContext().getFile().toPath(), charset);
+      Files.readAllLines(getContext().getInputFile().file().toPath(), charset);
     } catch (IOException e) {
       getContext().createFileViolation(this,
                                        "Not all characters of the file can be encoded with the predefined charset "

cxx-checks/src/main/java/org/sonar/cxx/checks/file/MissingNewLineAtEndOfFileCheck.java

@@ -21,14 +21,12 @@
 
 import com.sonar.sslr.api.AstNode;
 import com.sonar.sslr.api.Grammar;
-import java.io.IOException;
-import java.io.RandomAccessFile;
 import org.sonar.check.Priority;
 import org.sonar.check.Rule;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.SqaleConstantRemediation;
+import org.sonar.cxx.squidbridge.checks.SquidCheck;
 import org.sonar.cxx.tag.Tag;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.SqaleConstantRemediation;
-import org.sonar.squidbridge.checks.SquidCheck;
 
 @Rule(
   key = "MissingNewLineAtEndOfFile",
@@ -39,24 +37,19 @@
 @SqaleConstantRemediation("1min")
 public class MissingNewLineAtEndOfFileCheck extends SquidCheck<Grammar> {
 
-  private static boolean endsWithNewline(RandomAccessFile randomAccessFile) throws IOException {
-    if (randomAccessFile.length() < 1) {
-      return false;
+  @Override
+  public void visitFile(AstNode astNode) {
+    if (isEmptyOrNotEndingWithNewLine(getContext().getInputFileContent())) {
+      getContext().createFileViolation(this, "Add a new line at the end of this file.");
     }
-    randomAccessFile.seek(randomAccessFile.length() - 1);
-    byte lastByte = randomAccessFile.readByte();
-    return lastByte == '\n' || lastByte == '\r';
   }
 
-  @Override
-  public void visitFile(AstNode astNode) {
-    try (var randomAccessFile = new RandomAccessFile(getContext().getFile(), "r")) {
-      if (!endsWithNewline(randomAccessFile)) {
-        getContext().createFileViolation(this, "Add a new line at the end of this file.");
-      }
-    } catch (IOException e) {
-      throw new IllegalStateException(e);
+  private static boolean isEmptyOrNotEndingWithNewLine(String content) {
+    if (content.isEmpty()) {
+      return true;
     }
+    char lastChar = content.charAt(content.length() - 1);
+    return lastChar != '\n' && lastChar != '\r';
   }
 
 }

cxx-checks/src/main/java/org/sonar/cxx/checks/file/TabCharacterCheck.java

@@ -21,19 +21,13 @@
 
 import com.sonar.sslr.api.AstNode;
 import com.sonar.sslr.api.Grammar;
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
 import org.sonar.check.Priority;
 import org.sonar.check.Rule;
 import org.sonar.check.RuleProperty;
-import org.sonar.cxx.checks.utils.CheckUtils;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.SqaleConstantRemediation;
+import org.sonar.cxx.squidbridge.checks.SquidCheck;
 import org.sonar.cxx.tag.Tag;
-import org.sonar.cxx.visitors.CxxCharsetAwareVisitor;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.SqaleConstantRemediation;
-import org.sonar.squidbridge.checks.SquidCheck;
 
 /**
  * TabCharacterCheck - similar Vera++ rule L002 "Don't use tab characters"
@@ -46,7 +40,7 @@
   priority = Priority.MINOR)
 @ActivatedByDefault
 @SqaleConstantRemediation("5min")
-public class TabCharacterCheck extends SquidCheck<Grammar> implements CxxCharsetAwareVisitor {
+public class TabCharacterCheck extends SquidCheck<Grammar> {
 
   private static final boolean DEFAULT_CREATE_LINE_VIOLATION = false;
 
@@ -58,36 +52,24 @@ public class TabCharacterCheck extends SquidCheck<Grammar> implements CxxCharset
     description = "Create violations per line (default is one per file)",
     defaultValue = "" + DEFAULT_CREATE_LINE_VIOLATION)
   public boolean createLineViolation = DEFAULT_CREATE_LINE_VIOLATION;
-  private Charset defaultCharset = StandardCharsets.UTF_8;
-
-  @Override
-  public void setCharset(Charset charset) {
-    this.defaultCharset = charset;
-  }
 
   @Override
   public void visitFile(AstNode astNode) {
-    try ( var br = new BufferedReader(CheckUtils.getInputSteam(getContext().getFile(), defaultCharset))) {
-      String line;
-      int nr = 0;
-
-      while ((line = br.readLine()) != null) {
-        ++nr;
-        if (line.contains("\t")) {
-          if (createLineViolation) {
-            getContext().createLineViolation(
-              this,
-              "Replace all tab characters in this line by sequences of white-spaces.", nr);
-          } else {
-            getContext().createFileViolation(
-              this,
-              "Replace all tab characters in this file by sequences of white-spaces.");
-            break;
-          }
+    int nr = 0;
+    for (String line : getContext().getInputFileLines()) {
+      ++nr;
+      if (line.contains("\t")) {
+        if (createLineViolation) {
+          getContext().createLineViolation(
+            this,
+            "Replace all tab characters in this line by sequences of white-spaces.", nr);
+        } else {
+          getContext().createFileViolation(
+            this,
+            "Replace all tab characters in this file by sequences of white-spaces.");
+          break;
         }
       }
-    } catch (IOException e) {
-      throw new IllegalStateException(e);
     }
   }
 

cxx-checks/src/main/java/org/sonar/cxx/checks/metrics/ClassComplexityCheck.java

@@ -27,7 +27,7 @@
 import org.sonar.check.RuleProperty;
 import org.sonar.cxx.parser.CxxGrammarImpl;
 import org.sonar.cxx.tag.Tag;
-import org.sonar.squidbridge.annotations.SqaleLinearWithOffsetRemediation;
+import org.sonar.cxx.squidbridge.annotations.SqaleLinearWithOffsetRemediation;
 
 @Rule(
   key = "ClassComplexity",

cxx-checks/src/main/java/org/sonar/cxx/checks/metrics/CxxCyclomaticComplexityCheck.java

@@ -31,7 +31,7 @@
 import org.sonar.cxx.visitors.MultiLocatitionSquidCheck;
 
 /**
- * This is an enhanced version of org.sonar.squidbridge.metrics.ComplexityVisitor, which is used in order to compute the
+ * This is an enhanced version of org.sonar.cxx.squidbridge.metrics.ComplexityVisitor, which is used in order to compute the
  * Cyclomatic Complexity.
  *
  * @param <G>

cxx-checks/src/main/java/org/sonar/cxx/checks/metrics/FileComplexityCheck.java

@@ -26,7 +26,7 @@
 import org.sonar.check.Rule;
 import org.sonar.check.RuleProperty;
 import org.sonar.cxx.tag.Tag;
-import org.sonar.squidbridge.annotations.SqaleLinearWithOffsetRemediation;
+import org.sonar.cxx.squidbridge.annotations.SqaleLinearWithOffsetRemediation;
 
 @Rule(
   key = "FileComplexity",

cxx-checks/src/main/java/org/sonar/cxx/checks/metrics/FunctionCognitiveComplexityCheck.java

@@ -27,8 +27,8 @@
 import org.sonar.cxx.utils.CxxReportIssue;
 import org.sonar.cxx.visitors.CxxCognitiveComplexityVisitor;
 import org.sonar.cxx.visitors.CxxComplexityScope;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.SqaleLinearWithOffsetRemediation;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.SqaleLinearWithOffsetRemediation;
 
 @Rule(
   key = "FunctionCognitiveComplexity",

cxx-checks/src/main/java/org/sonar/cxx/checks/metrics/FunctionComplexityCheck.java

@@ -27,8 +27,8 @@
 import org.sonar.check.RuleProperty;
 import org.sonar.cxx.parser.CxxGrammarImpl;
 import org.sonar.cxx.tag.Tag;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.SqaleLinearWithOffsetRemediation;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.SqaleLinearWithOffsetRemediation;
 
 @Rule(
   key = "FunctionComplexity",

cxx-checks/src/main/java/org/sonar/cxx/checks/metrics/TooLongLineCheck.java

@@ -21,19 +21,13 @@
 
 import com.sonar.sslr.api.AstNode;
 import com.sonar.sslr.api.Grammar;
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
 import org.sonar.check.Priority;
 import org.sonar.check.Rule;
 import org.sonar.check.RuleProperty;
-import org.sonar.cxx.checks.utils.CheckUtils;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.SqaleConstantRemediation;
+import org.sonar.cxx.squidbridge.checks.SquidCheck;
 import org.sonar.cxx.tag.Tag;
-import org.sonar.cxx.visitors.CxxCharsetAwareVisitor;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.SqaleConstantRemediation;
-import org.sonar.squidbridge.checks.SquidCheck;
 
 /**
  * TooLongLineCheck - similar Vera++ rule L004 "Line too long"
@@ -46,7 +40,7 @@
   priority = Priority.MINOR)
 @ActivatedByDefault
 @SqaleConstantRemediation("5min")
-public class TooLongLineCheck extends SquidCheck<Grammar> implements CxxCharsetAwareVisitor {
+public class TooLongLineCheck extends SquidCheck<Grammar> {
 
   private static final int DEFAULT_MAXIMUM_LINE_LENHGTH = 160;
   private static final int DEFAULT_TAB_WIDTH = 8;
@@ -69,32 +63,19 @@ public class TooLongLineCheck extends SquidCheck<Grammar> implements CxxCharsetA
     defaultValue = "" + DEFAULT_TAB_WIDTH)
   public int tabWidth = DEFAULT_TAB_WIDTH;
 
-  private Charset defaultCharset = StandardCharsets.UTF_8;
-
-  @Override
-  public void setCharset(Charset charset) {
-    this.defaultCharset = charset;
-  }
-
   @Override
   public void visitFile(AstNode astNode) {
-    try ( var br = new BufferedReader(CheckUtils.getInputSteam(getContext().getFile(), defaultCharset))) {
-      String line;
-      int nr = 0;
-
-      while ((line = br.readLine()) != null) {
-        ++nr;
-        long length = line.chars().filter(c -> c == '\t').count();
-        length = line.length() + length * (tabWidth - 1);
-        if (length > maximumLineLength) {
-          getContext().createLineViolation(
-            this,
-            "Split this {0} characters long line (which is greater than {1} authorized).",
-            nr, length, maximumLineLength);
-        }
+    int nr = 0;
+    for (String line : getContext().getInputFileLines()) {
+      ++nr;
+      long length = line.chars().filter(c -> c == '\t').count();
+      length = line.length() + length * (tabWidth - 1);
+      if (length > maximumLineLength) {
+        getContext().createLineViolation(
+          this,
+          "Split this {0} characters long line (which is greater than {1} authorized).",
+          nr, length, maximumLineLength);
       }
-    } catch (IOException e) {
-      throw new IllegalStateException(e);
     }
   }
 

cxx-checks/src/main/java/org/sonar/cxx/checks/metrics/TooManyLinesOfCodeInFileCheck.java

@@ -26,10 +26,10 @@
 import org.sonar.check.RuleProperty;
 import org.sonar.cxx.api.CxxMetric;
 import org.sonar.cxx.tag.Tag;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.SqaleConstantRemediation;
-import org.sonar.squidbridge.checks.ChecksHelper;
-import org.sonar.squidbridge.checks.SquidCheck;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.SqaleConstantRemediation;
+import org.sonar.cxx.squidbridge.checks.ChecksHelper;
+import org.sonar.cxx.squidbridge.checks.SquidCheck;
 
 @Rule(
   key = "TooManyLinesOfCodeInFile",

cxx-checks/src/main/java/org/sonar/cxx/checks/metrics/TooManyLinesOfCodeInFunctionCheck.java

@@ -27,10 +27,10 @@
 import org.sonar.cxx.api.CxxMetric;
 import org.sonar.cxx.parser.CxxGrammarImpl;
 import org.sonar.cxx.tag.Tag;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.SqaleConstantRemediation;
-import org.sonar.squidbridge.api.SourceFunction;
-import org.sonar.squidbridge.checks.SquidCheck;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.SqaleConstantRemediation;
+import org.sonar.cxx.squidbridge.api.SourceFunction;
+import org.sonar.cxx.squidbridge.checks.SquidCheck;
 
 @Rule(key = "TooManyLinesOfCodeInFunction",
   name = "Avoid too many code lines in a single function",

cxx-checks/src/main/java/org/sonar/cxx/checks/metrics/TooManyParametersCheck.java

@@ -26,9 +26,9 @@
 import org.sonar.check.RuleProperty;
 import org.sonar.cxx.parser.CxxGrammarImpl;
 import org.sonar.cxx.tag.Tag;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.SqaleConstantRemediation;
-import org.sonar.squidbridge.checks.SquidCheck;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.SqaleConstantRemediation;
+import org.sonar.cxx.squidbridge.checks.SquidCheck;
 
 @Rule(
   key = "TooManyParameters",

cxx-checks/src/main/java/org/sonar/cxx/checks/metrics/TooManyStatementsPerLineCheck.java

@@ -28,9 +28,9 @@
 import org.sonar.cxx.parser.CxxGrammarImpl;
 import org.sonar.cxx.parser.CxxKeyword;
 import org.sonar.cxx.tag.Tag;
-import org.sonar.squidbridge.annotations.ActivatedByDefault;
-import org.sonar.squidbridge.annotations.SqaleConstantRemediation;
-import org.sonar.squidbridge.checks.AbstractOneStatementPerLineCheck;
+import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
+import org.sonar.cxx.squidbridge.annotations.SqaleConstantRemediation;
+import org.sonar.cxx.squidbridge.checks.AbstractOneStatementPerLineCheck;
 
 /**
  * TooManyStatementsPerLineCheck - Statements should be on separate lines