Initial commit p2

The rest of the files, for initial upload to github

1 files changed, 531 insertions, 0 deletions

diff --git a/src/main/java/bjc/replpair/ReplPair.java b/src/main/java/bjc/replpair/ReplPair.java
new file mode 100644
index 0000000..14ecb49
--- /dev/null
+++ b/src/main/java/bjc/replpair/ReplPair.java
@@ -0,0 +1,531 @@
+package bjc.replpair;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+import java.util.function.UnaryOperator;
+
+/**
+ * String pairs for replacements.
+ *
+ * @author Ben Culkin
+ */
+public class ReplPair implements Comparable<ReplPair>, UnaryOperator<String> {
+	private int lno;
+
+	/**
+	 * The priority for this replacement.
+	 */
+	public int priority;
+
+	/**
+	 * The name of this replacement.
+	 *
+	 * Defaults to the 'find' string.
+	 */
+	public String name;
+	/**
+	 * The string to look for.
+	 */
+	public String find;
+
+	/**
+	 * The string to replace it with.
+	 */
+	public String replace;
+
+	private StageStatus stat = StageStatus.BOTH;
+
+	/**
+	 * Create a new blank replacement pair.
+	 */
+	public ReplPair() {
+		this("", "", 1, null);
+	}
+
+	/**
+	 * Create a new replacement pair with a priority of 1.
+	 *
+	 * @param f
+	 * 	The string to find.
+	 * @param r
+	 * 	The string to replace.
+	 */
+	public ReplPair(String f, String r) {
+		this(f, r, 1);
+	}
+
+	/**
+	 * Create a new named replacement pair with a priority of 1.
+	 *
+	 * @param f
+	 * 	The string to find.
+	 * @param r
+	 * 	The string to replace.
+	 * @param n
+	 * 	The name of the replacement pair.
+	 */
+	public ReplPair(String f, String r, String n) {
+		this(f, r, 1, n);
+	}
+
+	/**
+	 * Create a new replacement pair with a set priority.
+	 *
+	 * @param f
+	 * 	The string to find.
+	 * @param r
+	 * 	The string to replace.
+	 * @param p
+	 * 	The priority for the replacement.
+	 */
+	public ReplPair(String f, String r, int p) {
+		this(f, r, p, f);
+	}
+
+	/**
+	 * Create a new replacement pair with a set priority and name.
+	 *
+	 * @param f
+	 * 	The string to find.
+	 * @param r
+	 * 	The string to replace.
+	 * @param n
+	 * 	The name of the replacement pair.
+	 * @param p
+	 * 	The priority for the replacement.
+	 */
+	public ReplPair(String f, String r, int p, String n) {
+		find    = f;
+		replace = r;
+
+		name = n;
+
+		priority = p;
+	}
+	/**
+	 * Read a list of replacement pairs from an input source.
+	 *
+	 * @param scn
+	 * 	The source to read the replacements from.
+	 * @return
+	 * 	The list of replacements.
+	 */
+	public static List<ReplPair> readList(Scanner scn) {
+		List<ReplPair> lst = new ArrayList<>();
+
+		return readList(lst, scn);
+	}
+
+	/**
+	 * Read a list of replacement pairs from an input source, adding them to
+	 * an existing list.
+	 *
+	 * @param detals
+	 * 	The list to add the replacements to.
+	 * @param scn
+	 * 	The source to read the replacements from.
+	 * @return
+	 * 	The list of replacements.
+	 */
+	public static List<ReplPair> readList(List<ReplPair> detals, Scanner scn) {
+		List<ReplError> errList = new ArrayList<>();
+
+		List<ReplPair> rplPar = readList(detals, scn, errList);
+
+		if (errList.size() != 0) {
+			String errString;
+			if (errList.size() == 0) errString = "An error";
+			else                       errString = "Errors";
+
+			throw new IllegalArgumentException(String.format("%s occured parsing replacement pairs:\n%s", errString, errList));
+		}
+
+		return rplPar;
+	}
+
+	/**
+	 * Read a list of replacement pairs from an input source, adding them to
+	 * an existing list.
+	 *
+	 * @param detals
+	 * 	The list to add the replacements to.
+	 * @param scn
+	 * 	The source to read the replacements from.
+	 * @param errs
+	 * 	The list to stick errors in.
+	 * @return
+	 * 	The list of replacements.
+	 */
+	public static List<ReplPair> readList(List<ReplPair> detals, Scanner scn, List<ReplError> errs) {
+		int lno = 0;
+		int pno = 0;
+
+		int defPrior = 1;
+		int defStage = 1;
+
+		boolean defMulti = false;
+
+		StageStatus defStatus = StageStatus.BOTH;
+
+		List<List<ReplPair>> stages = new ArrayList<>();
+		stages.add(new ArrayList<ReplPair>());
+
+		// For every line in the source...
+		while (scn.hasNextLine()) {
+			String name = scn.nextLine().trim();
+			lno += 1;
+
+			// If its commented or blank, skip it
+			if (name.equals(""))      continue;
+			if (name.startsWith("#")) continue;
+
+			// Global control. Process it.
+			if (name.startsWith("|//")) {
+				name = name.substring(3);
+
+				// Split out each control
+				String[] bits = name.split(";");
+
+				for (String bit : bits) {
+					String bitHead = bit.toUpperCase();
+					String bitBody = bit;
+
+					int idx = bit.indexOf('/');
+					if (idx != -1) {
+						bitHead = bit.substring(0, idx).toUpperCase();
+						bitBody = bit.substring(idx + 1);
+					}
+
+					switch (bitHead) {
+					case "P":
+						try {
+							defPrior = Integer.parseInt(bitBody);
+						} catch (NumberFormatException nfex) {
+							String errMsg = String.format("'%s' is not a valid priority (must be an integer)", bitBody);
+							errs.add(new ReplError(lno, pno, errMsg, name));
+						}
+						break;
+					case "S":
+						try {
+							int tmpStage = Integer.parseInt(bitBody);
+							if (tmpStage < 0) {
+								String errMsg = String.format("'%s' is not a valid stage (must be a positive integer)", bitBody);
+								errs.add(new ReplError(lno, pno, errMsg, name));
+
+								break;
+							}
+							defStage = tmpStage;
+						} catch (NumberFormatException nfex) {
+							String errMsg = String.format("'%s' is not a valid stage (must be a positive integer)", bitBody);
+							errs.add(new ReplError(lno, pno, errMsg, name));
+						}
+						break;
+					case "MT":
+						defMulti = true;
+						break;
+					case "MF":
+						defMulti = false;
+						break;
+					case "M":
+						defMulti = Boolean.parseBoolean(bitBody);
+						break;
+					case "I":
+						defStatus = StageStatus.INTERNAL;
+						break;
+					case "E":
+						defStatus = StageStatus.EXTERNAL;
+						break;
+					case "B":
+						defStatus = StageStatus.BOTH;
+						break;
+					default: 
+						errs.add(new ReplError(lno, pno, String.format("Invalid control name '%s'", bitHead), name));
+						break;
+					}
+				}
+
+				continue;
+			}
+
+			ReplPair rp = new ReplPair();
+			rp.priority = defPrior;
+			rp.stat = defStatus;
+			rp.lno = lno;
+			
+			int stage = defStage;
+
+			boolean isMulti = defMulti;
+
+			// Name has attached controls, process them.
+			if (name.startsWith("//")) {
+				name = name.substring(2);
+
+				int idx = name.indexOf("//");
+				if (idx == -1) {
+					String msg = "Did not find control terminator (//) in name where it should be";
+
+					errs.add(new ReplError(lno, pno, msg, name));
+					continue;
+				}
+
+				String contName = name.substring(0, idx);
+				String actName  = name.substring(idx + 2);
+
+				// Split out each control
+				String[] bits = contName.split(";");
+
+				for (String bit : bits) {
+					String bitHead = bit.toUpperCase();
+					String bitBody = bit;
+
+					idx = bit.indexOf('/');
+					if (idx != -1) {
+						bitHead = bit.substring(0, idx).toUpperCase();
+						bitBody = bit.substring(idx + 1);
+					}
+					
+					switch (bitHead) {
+					case "N":
+						rp.name = bitBody;
+						break;
+					case "P":
+						try {
+							rp.priority = Integer.parseInt(bitBody);
+						} catch (NumberFormatException nfex) {
+							String errMsg = String.format("'%s' is not a valid priority (must be an integer)", bitBody);
+							errs.add(new ReplError(lno, pno, errMsg, name));
+						}
+						break;
+					case "S":
+						try {
+							int tmpStage = Integer.parseInt(bitBody);
+							if (tmpStage < 0) {
+								String errMsg = String.format("'%s' is not a valid stage (must be a positive integer)", bitBody);
+								errs.add(new ReplError(lno, pno, errMsg, name));
+
+								break;
+							}
+							stage = tmpStage;
+						} catch (NumberFormatException nfex) {
+							String errMsg = String.format("'%s' is not a valid stage (must be a positive integer)", bitBody);
+							errs.add(new ReplError(lno, pno, errMsg, name));
+						}
+						break;
+					case "MT":
+						isMulti = true;
+						break;
+					case "MF":
+						isMulti = false;
+						break;
+					case "M":
+						isMulti = Boolean.parseBoolean(bitBody);
+						break;
+					case "I":
+						rp.stat = StageStatus.INTERNAL;
+						break;
+					case "E":
+						rp.stat = StageStatus.EXTERNAL;
+						break;
+					case "B":
+						rp.stat = StageStatus.BOTH;
+						break;
+					default: 
+						errs.add(new ReplError(lno, pno, String.format("Unknown control name '%s'", bitHead), name));
+						break;
+					}
+				}
+				
+				// Multi-line name with a trailer
+				if (isMulti) {
+					String tmp = actName;
+
+					while (tmp.endsWith("\\")) {
+						boolean incNL = tmp.endsWith("|\\");
+
+						if (!scn.hasNextLine()) break;
+
+						tmp = scn.nextLine().trim();
+
+						if (tmp.equals(""))      continue;
+						if (tmp.startsWith("#")) continue;
+
+						actName = String.format("%s%s%s", actName, incNL ? "\n" : "", tmp);
+					}
+				}
+				
+				name = actName;
+			}
+
+			rp.find = name;
+			if (rp.name == null) rp.name = name;
+
+			// We started to process the pair, mark it as being
+			// started
+			pno += 1;
+			String body = null;
+
+			// Read in the next uncommented line
+			do {
+				if (!scn.hasNextLine()) {
+					String msg = 
+						"Ran out of input looking for replacement body for raw name " + name;
+						
+					errs.add(new ReplError(lno, pno, msg, null));
+					break;
+				}
+
+				body = scn.nextLine().trim();
+				lno += 1;
+			} while (body.startsWith("#"));
+
+			isMulti = defMulti;
+
+			// Body has attached controls, process them.
+			if (body.startsWith("//")) {
+				body = body.substring(2);
+
+				int idx = body.indexOf("//");
+				if (idx == -1) {
+					String msg = "Did not find control terminator (//) in body where it should be";
+
+					errs.add(new ReplError(lno, pno, msg, body));
+					continue;
+				}
+
+				String contBody = body.substring(0, idx);
+				String actBody  = body.substring(idx + 2);
+
+				// Split out each control
+				String[] bits = actBody.split(";");
+
+				for (String bit : bits) {
+					String bitHead = bit.toUpperCase();
+					String bitBody = bit;
+
+					idx = bit.indexOf('/');
+					if (idx != -1) {
+						bitHead = bit.substring(0, idx).toUpperCase();
+						bitBody = bit.substring(idx + 1);
+					}
+
+					switch (bitHead) {
+					case "MT":
+						isMulti = true;
+						break;
+					case "MF":
+						isMulti = false;
+						break;
+					case "M":
+						isMulti = Boolean.parseBoolean(bitBody);
+						break;
+					default: 
+						errs.add(new ReplError(lno, pno, String.format("Invalid control name '%s'", bitHead), body));
+						break;
+					}
+				}
+
+				// Multi-line name with a trailer
+				if (isMulti) {
+					String tmp = actBody;
+
+					while (tmp.endsWith("\\")) {
+						boolean incNL = tmp.endsWith("|\\");
+
+						if (!scn.hasNextLine()) break;
+
+						tmp = scn.nextLine().trim();
+
+						if (tmp.startsWith("#")) continue;
+
+						actBody = String.format("%s%s%s", actBody, incNL ? "\n" : "", tmp);
+					}
+				}
+				
+				body = actBody;
+			}
+
+			rp.replace = body;
+
+			List<ReplPair> stageList;
+			if (stages.size() < stage) {
+				stageList = stages.get(stage);
+
+				if (stageList == null) {
+					stageList = new ArrayList<>();
+					stages.add(stage, stageList);
+				}
+			} else {
+				stageList = new ArrayList<>();
+				stages.add(stage, stageList);
+			}
+
+			stageList.add(rp);
+		}
+
+		// Special-case one-stage processing.
+		if (stages.size() == 1) {
+			detals.addAll(stages.iterator().next());
+
+			detals.sort(null);
+
+			return detals;
+		}
+
+		// Handle stages
+		List<ReplPair> tmpList = new ArrayList<>();
+		tmpList.addAll(detals);
+
+		for (List<ReplPair> stageList : stages) {
+			List<ReplPair> curStage = new ArrayList<>();
+
+			for (ReplPair rp : stageList) {
+				// Process through every pair in the previous
+				// stages
+				for (ReplPair curPar : tmpList) {
+					rp.replace = rp.replace.replaceAll(curPar.find, curPar.replace);
+				}
+
+				// If we're external; add straight to the output
+				if (rp.stat == StageStatus.EXTERNAL) detals.add(rp);
+				else                                 curStage.add(rp);
+			}
+			
+			tmpList.addAll(curStage);
+			tmpList.sort(null);
+		}
+
+		// Copy over to output, excluding internals
+		for (ReplPair rp : tmpList) {
+			if (rp.stat == StageStatus.INTERNAL) continue;
+
+			detals.add(rp);
+		}
+
+		detals.sort(null);
+
+		return detals;
+	}
+
+	@Override
+	public String apply(String inp) {
+		return inp.replaceAll(find, replace);
+	}
+
+	@Override
+	public String toString() {
+		String nameStr = "";
+
+		if (!find.equals(name)) nameStr = String.format("(%s)", name);
+
+		return String.format("%ss/%s/%s/p(%d)", nameStr, find, replace, priority);
+	}
+	
+	@Override
+	public int compareTo(ReplPair rp) {
+		if (this.priority == rp.priority) return this.lno - rp.lno;
+
+		return rp.priority - this.priority;
+	}
+}