From: khartlage <khartlage>
Date: Sat, 9 Aug 2003 17:37:23 +0000 (+0000)
Subject: added a builder to parse files with eclipse's build mechanisms
X-Git-Url: http://git.phpeclipse.com

added a builder to parse files with eclipse's build mechanisms
---

diff --git a/net.sourceforge.phpeclipse/plugin.xml b/net.sourceforge.phpeclipse/plugin.xml
index 7148ea9..e2ec23e 100644
--- a/net.sourceforge.phpeclipse/plugin.xml
+++ b/net.sourceforge.phpeclipse/plugin.xml
@@ -30,9 +30,22 @@
          point="org.eclipse.core.resources.natures">
       <runtime>
          <run
-               class="net.sourceforge.phpeclipse.resourcesview.PHPProject">
+          class="net.sourceforge.phpeclipse.resourcesview.PHPProject">
          </run>
       </runtime>
+      <builder
+          id="net.sourceforge.phpeclipse.parserbuilder">
+      </builder>
+   </extension>
+   <extension
+         id="parserbuilder"
+         name="Parser Builder"
+         point="org.eclipse.core.resources.builders">
+      <builder hasNature="true">
+         <run
+           class="net.sourceforge.phpeclipse.builder.ParserBuilder">
+         </run>
+      </builder>
    </extension>
    <extension
          point="org.eclipse.team.core.fileTypes">
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/corext/util/Strings.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/corext/util/Strings.java
new file mode 100644
index 0000000..22052c4
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/corext/util/Strings.java
@@ -0,0 +1,375 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.corext.util;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.DefaultLineTracker;
+import org.eclipse.jface.text.ILineTracker;
+import org.eclipse.jface.text.IRegion;
+
+/**
+ * Helper class to provide String manipulation functions not available in standard JDK.
+ */
+public class Strings {
+	
+	/**
+	 * Indent char is a space char but not a line delimiters.
+	 * <code>== Character.isWhitespace(ch) && ch != '\n' && ch != '\r'</code>
+	 */
+	public static boolean isIndentChar(char ch) {
+		return Character.isWhitespace(ch) && !isLineDelimiterChar(ch);
+	}
+	
+	/**
+	 * tests if a char is lower case. Fix for 26529 
+	 */
+	public static boolean isLowerCase(char ch) {
+		return Character.toLowerCase(ch) == ch;
+	}	
+	
+	/**
+	 * Line delimiter chars are  '\n' and '\r'.
+	 */
+	public static boolean isLineDelimiterChar(char ch) {
+		return ch == '\n' || ch == '\r';
+	}	
+
+	public static String removeNewLine(String message) {
+		StringBuffer result= new StringBuffer();
+		int current= 0;
+		int index= message.indexOf('\n', 0);
+		while (index != -1) {
+			result.append(message.substring(current, index));
+			if (current < index && index != 0)
+				result.append(' ');
+			current= index + 1;
+			index= message.indexOf('\n', current);
+		}
+		result.append(message.substring(current));
+		return result.toString();
+	}
+
+	/**
+	 * Converts the given string into an array of lines. The lines 
+	 * don't contain any line delimiter characters.
+	 *
+	 * @return the string converted into an array of strings. Returns <code>
+	 * 	null</code> if the input string can't be converted in an array of lines.
+	 */
+	public static String[] convertIntoLines(String input) {
+		try {
+			ILineTracker tracker= new DefaultLineTracker();
+			tracker.set(input);
+			int size= tracker.getNumberOfLines();
+			String result[]= new String[size];
+			for (int i= 0; i < size; i++) {
+				IRegion region= tracker.getLineInformation(i);
+				int offset= region.getOffset();
+				result[i]= input.substring(offset, offset + region.getLength());
+			}
+			return result;
+		} catch (BadLocationException e) {
+			return null;
+		}
+	}
+
+	/**
+	 * Returns <code>true</code> if the given string only consists of
+	 * white spaces according to Java. If the string is empty, <code>true
+	 * </code> is returned.
+	 * 
+	 * @return <code>true</code> if the string only consists of white
+	 * 	spaces; otherwise <code>false</code> is returned
+	 * 
+	 * @see java.lang.Character#isWhitespace(char)
+	 */
+	public static boolean containsOnlyWhitespaces(String s) {
+		int size= s.length();
+		for (int i= 0; i < size; i++) {
+			if (!Character.isWhitespace(s.charAt(i)))
+				return false;
+		}
+		return true;
+	}
+	
+	/**
+	 * Removes leading tabs and spaces from the given string. If the string
+	 * doesn't contain any leading tabs or spaces then the string itself is 
+	 * returned.
+	 */
+	public static String trimLeadingTabsAndSpaces(String line) {
+		int size= line.length();
+		int start= size;
+		for (int i= 0; i < size; i++) {
+			char c= line.charAt(i);
+			if (!isIndentChar(c)) {
+				start= i;
+				break;
+			}
+		}
+		if (start == 0)
+			return line;
+		else if (start == size)
+			return ""; //$NON-NLS-1$
+		else
+			return line.substring(start);
+	}
+	
+	public static String trimTrailingTabsAndSpaces(String line) {
+		int size= line.length();
+		int end= size;
+		for (int i= size - 1; i >= 0; i--) {
+			char c= line.charAt(i);
+			if (isIndentChar(c)) {
+				end= i;
+			} else {
+				break;
+			}
+		}
+		if (end == size)
+			return line;
+		else if (end == 0)
+			return ""; //$NON-NLS-1$
+		else
+			return line.substring(0, end);
+	}
+	
+	/**
+	 * Returns the indent of the given string.
+	 * 
+	 * @param line the text line
+	 * @param tabWidth the width of the '\t' character.
+	 */
+	public static int computeIndent(String line, int tabWidth) {
+		int result= 0;
+		int blanks= 0;
+		int size= line.length();
+		for (int i= 0; i < size; i++) {
+			char c= line.charAt(i);
+			if (c == '\t') {
+				result++;
+				blanks= 0;
+			} else if (isIndentChar(c)) {
+				blanks++;
+				if (blanks == tabWidth) {
+					result++;
+					blanks= 0;
+				}
+			} else {
+				return result;
+			}
+		}
+		return result;
+	}
+	
+	/**
+	 * Removes the given number of idents from the line. Asserts that the given line 
+	 * has the requested number of indents. If <code>indentsToRemove <= 0</code>
+	 * the line is returned.
+	 */
+	public static String trimIndent(String line, int indentsToRemove, int tabWidth) {
+		if (line == null || indentsToRemove <= 0)
+			return line;
+			
+		int start= 0;
+		int indents= 0;
+		int blanks= 0;
+		int size= line.length();
+		for (int i= 0; i < size; i++) {
+			char c= line.charAt(i);
+			if (c == '\t') {
+				indents++;
+				blanks= 0;
+			} else if (isIndentChar(c)) {
+					blanks++;
+					if (blanks == tabWidth) {
+						indents++;
+						blanks= 0;
+					}
+			} else {
+				// Assert.isTrue(false, "Line does not have requested number of indents"); //$NON-NLS-1$
+				start= i + 1;
+				break; 
+			}
+			if (indents == indentsToRemove) {
+				start= i + 1;
+				break;
+			}	
+		}
+		if (start == size)
+			return ""; //$NON-NLS-1$
+		else
+			return line.substring(start);
+	}
+	
+	/**
+	 * Removes all leading indents from the given line. If the line doesn't contain
+	 * any indents the line itself is returned.
+	 */
+	public static String trimIndents(String s, int tabWidth) {
+		int indent= computeIndent(s, tabWidth);
+		if (indent == 0)
+			return s;
+		return trimIndent(s, indent, tabWidth);
+	}
+	
+	/**
+	 * Removes the common number of indents from all lines. If a line
+	 * only consists out of white space it is ignored.
+	 */
+	public static void trimIndentation(String[] lines, int tabWidth) {
+		trimIndentation(lines, tabWidth, true);
+	}
+	
+	/**
+	 * Removes the common number of indents from all lines. If a line
+	 * only consists out of white space it is ignored. If <code>
+	 * considerFirstLine</code> is false the first line will be ignored.
+	 */
+	public static void trimIndentation(String[] lines, int tabWidth, boolean considerFirstLine) {
+		String[] toDo= new String[lines.length];
+		// find indentation common to all lines
+		int minIndent= Integer.MAX_VALUE; // very large
+		for (int i= considerFirstLine ? 0 : 1; i < lines.length; i++) {
+			String line= lines[i];
+			if (containsOnlyWhitespaces(line))
+				continue;
+			toDo[i]= line;
+			int indent= computeIndent(line, tabWidth);
+			if (indent < minIndent) {
+				minIndent= indent;
+			}
+		}
+		
+		if (minIndent > 0) {
+			// remove this indent from all lines
+			for (int i= considerFirstLine ? 0 : 1; i < toDo.length; i++) {
+				String s= toDo[i];
+				if (s != null)
+					lines[i]= trimIndent(s, minIndent, tabWidth);
+				else {
+					String line= lines[i];
+					int indent= computeIndent(line, tabWidth);
+					if (indent > minIndent)
+						lines[i]= trimIndent(line, minIndent, tabWidth);
+					else
+						lines[i]= trimLeadingTabsAndSpaces(line);
+				}
+			}
+		}
+	}
+	
+	public static String getIndentString(String line, int tabWidth) {
+		int size= line.length();
+		int end= 0;
+		int blanks= 0;
+		for (int i= 0; i < size; i++) {
+			char c= line.charAt(i);
+			if (c == '\t') {
+				end= i + 1;
+				blanks= 0;
+			} else if (isIndentChar(c)) {
+				blanks++;
+				if (blanks == tabWidth) {
+					end= i + 1;
+					blanks= 0;
+				}
+			} else {
+				break;
+			}
+		}
+		if (end == 0)
+			return ""; //$NON-NLS-1$
+		else if (end == size)
+			return line;
+		else
+			return line.substring(0, end);
+	}
+	
+	public static String[] removeTrailingEmptyLines(String[] sourceLines) {
+		int lastNonEmpty= findLastNonEmptyLineIndex(sourceLines);
+		String[] result= new String[lastNonEmpty + 1];
+		for (int i= 0; i < result.length; i++) {
+			result[i]= sourceLines[i];
+		}
+		return result;
+	}
+
+	private static int findLastNonEmptyLineIndex(String[] sourceLines) {
+		for (int i= sourceLines.length - 1; i >= 0; i--) {
+			if (! sourceLines[i].trim().equals(""))//$NON-NLS-1$
+				return i;
+		}
+		return -1;
+	}
+	
+	/**
+	 * Change the indent of, possible muti-line, code range. The current indent is removed, a new indent added.
+	 * The first line of the code will not be changed. (It is considered to have no indent as it might start in
+	 * the middle of a line)
+	 */
+	public static String changeIndent(String code, int codeIndentLevel, int tabWidth, String newIndent, String lineDelim) {
+		try {
+			ILineTracker tracker= new DefaultLineTracker();
+			tracker.set(code);
+			int nLines= tracker.getNumberOfLines();
+			if (nLines == 1) {
+				return code;
+			}
+			
+			StringBuffer buf= new StringBuffer();
+			
+			for (int i= 0; i < nLines; i++) {
+				IRegion region= tracker.getLineInformation(i);
+				int start= region.getOffset();
+				int end= start + region.getLength();
+				String line= code.substring(start, end);
+				
+				if (i == 0) {  // no indent for first line (contained in the formatted string)
+					buf.append(line);
+				} else { // no new line after last line
+					buf.append(lineDelim);
+					buf.append(newIndent); 
+					buf.append(trimIndent(line, codeIndentLevel, tabWidth));
+				}
+			}
+			return buf.toString();
+		} catch (BadLocationException e) {
+			// can not happen
+			return code;
+		}
+	}	
+	
+	/**
+	 * Concatenate the given strings into one strings using the passed line delimiter as a
+	 * delimiter. No delimiter is added to the last line.
+	 */
+	public static String concatenate(String[] lines, String delimiter) {
+		StringBuffer buffer= new StringBuffer();
+		for (int i= 0; i < lines.length; i++) {
+			if (i > 0)
+				buffer.append(delimiter);
+			buffer.append(lines[i]);
+		}
+		return buffer.toString();
+	}
+	
+	public static boolean equals(String s, char[] c) {
+		if (s.length() != c.length)
+			return false;
+
+		for (int i = c.length; --i >= 0;)
+			if (s.charAt(i) != c[i])
+				return false;
+		return true;
+	}
+}
+