X-Git-Url: http://git.phpeclipse.com

diff --git a/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/sql/parser/StringPointer.java b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/sql/parser/StringPointer.java
new file mode 100644
index 0000000..846da29
--- /dev/null
+++ b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/sql/parser/StringPointer.java
@@ -0,0 +1,62 @@
+package com.quantum.sql.parser;
+
+public class StringPointer {
+	char[] value;
+	int offset = 0;
+	int mark = 0;
+	public StringPointer(String s) {
+		value = s.toCharArray();
+	}
+	/**
+	 * Returns the next character. Will return 0 if at end of file, but that's not
+	 * checkeable because it can be a valid character. You should check with isDone();
+	 * @return
+	 */
+	public char getNext() {
+		char retVal = (offset < value.length) ? value[offset] : 0;
+		offset++;
+		return retVal;
+	}
+	/**
+	 * Returns the next character, without advancing the pointer.
+	 *  Will return 0 if at end of file, but that's not
+	 * checkeable because it can be a valid character. You should check with isDone();
+	 * @return
+	 */
+	public char peek() {
+		char retVal = (offset < value.length) ? value[offset] : 0;
+		return retVal;
+	}
+	/**
+	 * Marks a poing of the stream to come back later (using reset());
+	 */
+	public void mark() {
+		mark = offset;
+	}
+	/**
+	 * Returns to a previously marked (with mark()) place.
+	 */
+	public void reset() {
+		offset = mark;
+	}
+	/**
+	 * Sets the pointer back a character, in fact 'pop'ing it back to the stream;
+	 */
+	public void back() {
+		if (offset > 0) offset--;
+	}
+	
+	public int getOffset() {
+		return offset;
+	}
+	/**
+	 * @return true if the stream is at an end
+	 */
+	public boolean isDone() {
+		return offset >= value.length;
+	}
+	
+	public int getLength() {
+		return value.length;
+	}
+}