Merge pull request #728 from afischerdev/startway

Start way check added

brouter-codec/src/main/java/btools/codec/MicroCache2.java

@@ -161,7 +161,8 @@ public final class MicroCache2 extends MicroCache {
           int ilontarget = ilon + dlon_remaining;
           int ilattarget = ilat + dlat_remaining;
           if (matcher != null) {
-            if (!matcher.start(ilon, ilat, ilontarget, ilattarget)) {
+            boolean useAsStartWay = wayValidator.checkStartWay(wayTags.data);
+            if (!matcher.start(ilon, ilat, ilontarget, ilattarget, useAsStartWay)) {
               matcher = null;
             }
           }

brouter-codec/src/main/java/btools/codec/TagValueValidator.java

@@ -13,4 +13,6 @@ public interface TagValueValidator {
   boolean isLookupIdxUsed(int idx);
 
   void setDecodeForbidden(boolean decodeForbidden);
+
+  boolean checkStartWay(byte[] ab);
 }

brouter-codec/src/main/java/btools/codec/WaypointMatcher.java

@@ -6,7 +6,7 @@ package btools.codec;
  * matches to the waypoints
  */
 public interface WaypointMatcher {
-  boolean start(int ilonStart, int ilatStart, int ilonTarget, int ilatTarget);
+  boolean start(int ilonStart, int ilatStart, int ilonTarget, int ilatTarget, boolean useAsStartWay);
 
   void transferNode(int ilon, int ilat);
 

brouter-core/src/main/java/btools/router/RoutingContext.java

@@ -167,6 +167,10 @@ public final class RoutingContext {
     defaultC_r = expctxGlobal.getVariableValue("C_r", 0.01f);
     // Constant power of the biker (in W)
     bikerPower = expctxGlobal.getVariableValue("bikerPower", 100.f);
+
+    boolean test = expctxGlobal.getVariableValue("check_start_way", 1f) == 1f;
+    if (!test) expctxGlobal.freeNoWays();
+
   }
 
   public List<OsmNodeNamed> poipoints;

brouter-expressions/src/main/java/btools/expressions/BExpressionContext.java

@@ -80,6 +80,8 @@ public abstract class BExpressionContext implements IByteArrayUnifier {
 
   private BExpressionContext foreignContext;
 
+  public int[] noStartWays = new int[0];
+
   protected void setInverseVars() {
     currentVarOffset = nBuildInVars;
   }
@@ -187,7 +189,7 @@ public abstract class BExpressionContext implements IByteArrayUnifier {
   /**
    * decode a byte-array into a lookup data array
    */
-  private void decode(int[] ld, boolean inverseDirection, byte[] ab) {
+  public void decode(int[] ld, boolean inverseDirection, byte[] ab) {
     BitCoderContext ctx = ctxDecode;
     ctx.reset(ab);
 
@@ -954,6 +956,7 @@ public abstract class BExpressionContext implements IByteArrayUnifier {
 
   private String _parseToken() throws Exception {
     StringBuilder sb = new StringBuilder(32);
+    StringBuilder sbcom = new StringBuilder(32);
     boolean inComment = false;
     for (; ; ) {
       int ic = _readerDone ? -1 : _br.read();
@@ -966,7 +969,33 @@ public abstract class BExpressionContext implements IByteArrayUnifier {
       if (c == '\n') linenr++;
 
       if (inComment) {
+        sbcom.append(c);
         if (c == '\r' || c == '\n') inComment = false;
+        if (!inComment) {
+          Integer num = variableNumbers.get("check_start_way");
+          if (num != null && noStartWays.length == 0 && sbcom.toString().contains("noStartWay")) {
+            String var = sbcom.toString().trim();
+            String[] savar = var.split("\\|");
+            if (savar.length == 4) {
+              var = savar[3].substring(savar[3].indexOf("=")+1).trim();
+              String[] sa = var.split(";");
+              for (String s: sa) {
+                String[] sa2 = s.split(",");
+                String name = sa2[0];
+                String value = sa2[1];
+                int nidx =  getLookupNameIdx(name);
+                if (nidx == -1) break;
+                int vidx = getLookupValueIdx(nidx, value);
+                int[] tmp = new int[noStartWays.length + 2];
+                if (noStartWays.length > 0) System.arraycopy(noStartWays, 0, tmp, 0, noStartWays.length);
+                noStartWays = tmp;
+                noStartWays[noStartWays.length-2] = nidx;
+                noStartWays[noStartWays.length-1] = vidx;
+              }
+            }
+          }
+          sbcom.setLength(0);
+        }
         continue;
       }
       if (Character.isWhitespace(c)) {
@@ -983,4 +1012,21 @@ public abstract class BExpressionContext implements IByteArrayUnifier {
     return value;
   }
 
+  int[] ld2 = new int[512];
+  public boolean checkStartWay(byte[] ab) {
+    if (ab == null) return true;
+    Arrays.fill(ld2, 0);
+    decode(ld2, false, ab);
+    for (int i = 0; i < noStartWays.length; i += 2) {
+      int key = noStartWays[i];
+      int value = noStartWays[i+1];
+      if (ld2[key] == value) return false;
+    }
+    return true;
+  }
+
+  public void freeNoWays() {
+    noStartWays = new int[0];
+  }
+
 }

brouter-expressions/src/main/java/btools/expressions/BExpressionContextWay.java

@@ -129,4 +129,6 @@ public final class BExpressionContextWay extends BExpressionContext implements T
   public void setDecodeForbidden(boolean decodeForbidden) {
     this.decodeForbidden = decodeForbidden;
   }
+
+
 }

brouter-mapaccess/src/main/java/btools/mapaccess/DirectWeaver.java

@@ -116,7 +116,8 @@ public final class DirectWeaver extends ByteDataWriter {
           int ilontarget = ilon + dlon_remaining;
           int ilattarget = ilat + dlat_remaining;
           if (matcher != null) {
-            if (!matcher.start(ilon, ilat, ilontarget, ilattarget)) {
+            boolean useAsStartWay = wayTags==null || wayValidator.checkStartWay(wayTags.data);
+            if (!matcher.start(ilon, ilat, ilontarget, ilattarget, useAsStartWay)) {
               matcher = null;
             }
           }

brouter-mapaccess/src/main/java/btools/mapaccess/WaypointMatcherImpl.java

@@ -28,6 +28,7 @@ public final class WaypointMatcherImpl implements WaypointMatcher {
   private boolean anyUpdate;
   private int lonLast;
   private int latLast;
+  boolean useAsStartWay = true;
 
   private Comparator<MatchedWaypoint> comparator;
 
@@ -78,6 +79,7 @@ public final class WaypointMatcherImpl implements WaypointMatcher {
 
     //for ( MatchedWaypoint mwp : waypoints )
     for (int i = 0; i < waypoints.size(); i++) {
+      if (!useAsStartWay && i==0) continue;
       MatchedWaypoint mwp = waypoints.get(i);
 
       if (mwp.direct &&
@@ -141,7 +143,7 @@ public final class WaypointMatcherImpl implements WaypointMatcher {
   }
 
   @Override
-  public boolean start(int ilonStart, int ilatStart, int ilonTarget, int ilatTarget) {
+  public boolean start(int ilonStart, int ilatStart, int ilonTarget, int ilatTarget, boolean useAsStartWay) {
     if (islandPairs.size() > 0) {
       long n1 = ((long) ilonStart) << 32 | ilatStart;
       long n2 = ((long) ilonTarget) << 32 | ilatTarget;
@@ -154,6 +156,7 @@ public final class WaypointMatcherImpl implements WaypointMatcher {
     lonTarget = ilonTarget;
     latTarget = ilatTarget;
     anyUpdate = false;
+    this.useAsStartWay = useAsStartWay;
     return true;
   }