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[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / ui / util / PHPFileUtil.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/util/PHPFileUtil.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/util/PHPFileUtil.java
index 4917de5..1f8c8fe 100644 (file)
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/util/PHPFileUtil.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/util/PHPFileUtil.java
@@ -11,13 +11,106 @@ import org.eclipse.core.resources.IFile;
  *
  */
 public class PHPFileUtil {
-  static public boolean isPHPFile(IFile file) {
-    if ("php".equalsIgnoreCase(file.getFileExtension())
-      || "php3".equalsIgnoreCase(file.getFileExtension())
-      || "php4".equalsIgnoreCase(file.getFileExtension())
-      || "inc".equalsIgnoreCase(file.getFileExtension())) {
-      return true;
+  public final static char[] SUFFIX_php = ".php".toCharArray(); //$NON-NLS-1$
+  public final static char[] SUFFIX_PHP = ".PHP".toCharArray(); //$NON-NLS-1$
+  public final static char[] SUFFIX_php3 = ".php3".toCharArray(); //$NON-NLS-1$
+  public final static char[] SUFFIX_PHP3 = ".PHP3".toCharArray(); //$NON-NLS-1$
+  public final static char[] SUFFIX_php4 = ".php4".toCharArray(); //$NON-NLS-1$
+  public final static char[] SUFFIX_PHP4 = ".PHP4".toCharArray(); //$NON-NLS-1$
+  public final static char[] SUFFIX_inc = ".inc".toCharArray(); //$NON-NLS-1$
+  public final static char[] SUFFIX_INC = ".INC".toCharArray(); //$NON-NLS-1$
+
+  public  static boolean isPHPFile(IFile file) {
+    String extension = file.getFileExtension();
+    return isPHPFileName(file.getLocation().toString());
+  }
+
+  /**
+   * Returns true iff str.toLowerCase().endsWith(".php")
+   * implementation is not creating extra strings.
+   */
+  public final static boolean isPHPFileName(String name) {
+    return isPHP_FileName(name) || isPHP3_FileName(name) || isPHP4_FileName(name) || isINC_FileName(name);
+  }
+  //  static public boolean isPHPFile(String extension) {
+  //    if ("php".equalsIgnoreCase(extension)
+  //      || "php3".equalsIgnoreCase(extension)
+  //      || "php4".equalsIgnoreCase(extension)
+  //      || "inc".equalsIgnoreCase(extension)) {
+  //      return true;
+  //    }
+  //    return false;
+  //  }
+
+  /**
+   * Returns true iff str.toLowerCase().endsWith(".php")
+   * implementation is not creating extra strings.
+   */
+  private final static boolean isPHP_FileName(String name) {
+    int nameLength = name == null ? 0 : name.length();
+    int suffixLength = SUFFIX_PHP.length;
+    if (nameLength < suffixLength)
+      return false;
+
+    for (int i = 0, offset = nameLength - suffixLength; i < suffixLength; i++) {
+      char c = name.charAt(offset + i);
+      if (c != SUFFIX_php[i] && c != SUFFIX_PHP[i])
+        return false;
+    }
+    return true;
+  }
+
+  /**
+   * Returns true iff str.toLowerCase().endsWith(".php3")
+   * implementation is not creating extra strings.
+   */
+  private final static boolean isPHP3_FileName(String name) {
+    int nameLength = name == null ? 0 : name.length();
+    int suffixLength = SUFFIX_PHP3.length;
+    if (nameLength < suffixLength)
+      return false;
+
+    for (int i = 0, offset = nameLength - suffixLength; i < suffixLength; i++) {
+      char c = name.charAt(offset + i);
+      if (c != SUFFIX_php3[i] && c != SUFFIX_PHP3[i])
+        return false;
+    }
+    return true;
+  }
+
+  /**
+   * Returns true iff str.toLowerCase().endsWith(".php4")
+   * implementation is not creating extra strings.
+   */
+  private final static boolean isPHP4_FileName(String name) {
+    int nameLength = name == null ? 0 : name.length();
+    int suffixLength = SUFFIX_PHP4.length;
+    if (nameLength < suffixLength)
+      return false;
+
+    for (int i = 0, offset = nameLength - suffixLength; i < suffixLength; i++) {
+      char c = name.charAt(offset + i);
+      if (c != SUFFIX_php4[i] && c != SUFFIX_PHP4[i])
+        return false;
+    }
+    return true;
+  }
+
+  /**
+   * Returns true iff str.toLowerCase().endsWith(".inc")
+   * implementation is not creating extra strings.
+   */
+  private final static boolean isINC_FileName(String name) {
+    int nameLength = name == null ? 0 : name.length();
+    int suffixLength = SUFFIX_INC.length;
+    if (nameLength < suffixLength)
+      return false;
+
+    for (int i = 0, offset = nameLength - suffixLength; i < suffixLength; i++) {
+      char c = name.charAt(offset + i);
+      if (c != SUFFIX_inc[i] && c != SUFFIX_INC[i])
+        return false;
     }
-    return false;
+    return true;
   }
 }