X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=misc%2Fxgen%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Faaf%2Fmisc%2Fxgen%2FXGen.java;fp=misc%2Fxgen%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Faaf%2Fmisc%2Fxgen%2FXGen.java;h=09c031113cffa2f23231c23e2992497fddd161fc;hb=ac1e1ec76e9125206be91a2f32c7104c9392dc9a;hp=0000000000000000000000000000000000000000;hpb=686d16c26d0435f892de66755ac8bc2383a739d2;p=aaf%2Fauthz.git

diff --git a/misc/xgen/src/main/java/org/onap/aaf/misc/xgen/XGen.java b/misc/xgen/src/main/java/org/onap/aaf/misc/xgen/XGen.java
new file mode 100644
index 00000000..09c03111
--- /dev/null
+++ b/misc/xgen/src/main/java/org/onap/aaf/misc/xgen/XGen.java
@@ -0,0 +1,296 @@
+/**
+ * ============LICENSE_START====================================================
+ * org.onap.aaf
+ * ===========================================================================
+ * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * ===========================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END====================================================
+ *
+ */
+
+package org.onap.aaf.misc.xgen;
+
+import java.io.PrintWriter;
+import java.io.Writer;
+import java.util.Stack;
+
+import org.onap.aaf.misc.env.util.IndentPrintWriter;
+import org.onap.aaf.misc.env.util.StringBuilderWriter;
+
+public class XGen<RT extends XGen<RT>> {
+
+	public static int COMMENT_COLUMN = 40;
+	private StringBuilder backSB = new StringBuilder();
+	private Stack<Back> backStack = new Stack<Back>();
+	
+	protected XGen(Writer w) {
+		forward = new IndentPrintWriter(w);
+	}
+
+	public int pushBack(Back b) {
+		int rv = backStack.size();
+		backStack.push(b);
+		return rv;
+	}
+
+	public boolean pretty = false;
+	protected IndentPrintWriter forward;
+
+	public IndentPrintWriter getWriter() {
+		return forward;
+	}
+
+	protected PrintWriter back = new PrintWriter(
+				new StringBuilderWriter(backSB));
+
+	@SuppressWarnings("unchecked")
+	public RT pretty() {
+		pretty = true;
+		return (RT) this;
+	}
+
+	protected void prettyln(PrintWriter pw) {
+		if(pretty)pw.println();
+	}
+
+	public RT leaf(Mark mark, String tag, String ... args) {
+		mark.spot = backStack.size();
+		return leaf(tag, args);
+	}
+
+	@SuppressWarnings("unchecked")
+	public RT leaf(String tag, String ... attrs) {
+		forward.append('<');
+		forward.append(tag);
+		addAttrs(attrs);
+		forward.append('>');
+		back.append("</");
+		back.append(tag);
+		back.append('>');
+		backStack.push(new Back(backSB.toString(), false, true));
+		backSB.setLength(0);
+		return (RT)this;
+	}
+
+	public RT incr(String tag, String ... args) {
+		return incr(null, tag, false, args);
+	}
+
+	public RT incr(String tag, boolean oneLine, String ... args) {
+		return incr(null, tag, oneLine, args);
+	}
+
+	public RT incr(Mark mark) {
+		return incr(mark,mark.comment, false, new String[0]);
+	}
+
+	public RT incr(Mark mark, String tag, String ... attrs) {
+		return incr(mark, tag, false, attrs);
+	}
+
+	@SuppressWarnings("unchecked")
+	public RT incr(Mark mark, String tag, boolean oneLine, String ... attrs) {
+		forward.append('<');
+		forward.append(tag);
+		addAttrs(attrs);
+		forward.append('>');
+		
+		back.append("</");
+		back.append(tag);
+		back.append('>');
+	
+		if(pretty) {
+			if(mark!=null && mark.comment!=null) {
+				int fi = forward.getIndent()*IndentPrintWriter.INDENT;
+				for(int i = fi+backSB.length();i<=COMMENT_COLUMN;++i) {
+					back.append(' ');
+				}
+				back.append("<!-- end ");
+				back.append(mark.comment);
+				back.append(" -->");
+				
+				forward.toCol(COMMENT_COLUMN);
+				forward.append("<!-- begin ");
+				forward.append(mark.comment);
+				forward.append(" -->");
+			}
+			forward.inc();
+			if(!oneLine) {
+				forward.println();
+			}
+			back.println();
+		}
+		if(mark!=null)mark.spot = backStack.size();
+		backStack.push(new Back(backSB.toString(),true, false));
+		backSB.setLength(0);
+		return (RT)this;
+	}
+
+	@SuppressWarnings("unchecked")
+	public RT tagOnly(String tag, String ... attrs) {
+		forward.append('<');
+		forward.append(tag);
+		addAttrs(attrs);
+		forward.append(" />");
+		if(pretty) {
+			forward.println();
+		}
+		return (RT)this;
+	}
+
+	@SuppressWarnings("unchecked")
+	public RT text(String txt) {
+		forward.append(txt);
+		return (RT)this;
+	}
+	
+	@SuppressWarnings("unchecked")
+	public RT xml(String txt) {
+		for(int i=0; i<txt.length();++i) {
+			char c = txt.charAt(i);
+			switch(c) {
+				case '<':
+					forward.append("&lt;");
+					break;
+				case '>':
+					forward.append("&gt;");
+					break;
+				case '&':
+					forward.append("&amp;");
+					break;
+				default:
+					forward.append(c);
+			}
+		}
+		return (RT)this;
+	}
+
+
+	@SuppressWarnings("unchecked")
+	public RT textCR(int tabs, String txt) {
+		for(int i=0;i<tabs;++i) {
+			forward.append("  ");
+		}
+		forward.append(txt);
+		if(pretty)forward.println();
+		return (RT)this;
+	}
+
+	@SuppressWarnings("unchecked")
+	public RT value() {
+		Mark mark = new Mark();
+		mark.spot = backStack.size()-1;
+		end(mark);
+		return (RT)this;
+	}
+
+	@SuppressWarnings("unchecked")
+	public RT value(String txt) {
+		forward.append(txt);
+		Mark mark = new Mark();
+		mark.spot = backStack.size()-1;
+		end(mark);
+		return (RT)this;
+	}
+
+	@SuppressWarnings("unchecked")
+	public RT value(String txt, int levels) {
+		forward.append(txt);
+		Mark mark = new Mark();
+		mark.spot = backStack.size()-levels;
+		end(mark);
+		return (RT)this;
+	}
+
+	@SuppressWarnings("unchecked")
+	public RT end(Mark mark) {
+		int size = backStack.size();
+		Back c;
+		boolean println = false;
+		for(int i=mark==null?0:mark.spot;i<size;++i) {
+			c = backStack.pop();
+			if(c.dec)forward.dec();
+			forward.append(c.str);
+			println = c.cr;
+		}
+		if(pretty && println) {
+			forward.println();
+		}
+		return (RT)this;
+	}
+
+	public RT end() {
+		Mark mark = new Mark();
+		mark.spot=backStack.size()-1;
+		if(mark.spot<0)mark.spot=0;
+		return end(mark);
+	}
+
+	public RT end(int i) {
+		Mark mark = new Mark();
+		mark.spot=backStack.size()-i;
+		if(mark.spot<0)mark.spot=0;
+		return end(mark);
+	}
+
+	public void endAll() {
+		end(new Mark());
+		forward.flush();
+	}
+
+	protected void addAttrs(String[] attrs) {
+		if(attrs!=null) {
+			for(String attr : attrs) {
+				if(attr!=null && attr.length()>0) {
+					forward.append(' ');
+					String[] split = attr.split("=",2);
+					switch(split.length) {
+						case 0:
+							break;
+						case 1:
+							forward.append(split[0]);
+//							forward.append("=\"\"");
+							break;
+						default:
+							forward.append(split[0]);
+							forward.append("=\"");
+							forward.append(split[1]);
+							forward.append('"');
+							break;
+					}
+				}
+			}
+		}
+	}
+
+	@SuppressWarnings("unchecked")
+	public RT comment(String string) {
+		if(pretty) {
+			forward.print("<!--  ");
+			forward.print(string);
+			forward.println("  -->");
+		}
+		return (RT)this;
+	}
+
+	public void setIndent(int indent) {
+		forward.setIndent(indent);
+		forward.toIndent();
+	}
+
+	public int getIndent() {
+		return forward.getIndent();
+	}
+
+}