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h2database
提交 c47184ef authored 作者: Evgenij Ryazanov's avatar Evgenij Ryazanov
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Combine flags into dimension system in EWKTUtils

上级 c7830320
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正在显示 包含 29 行增加 和 38 行删除
h2/src/main/org/h2/util/geometry/EWKTUtils.java
浏览文件 @ c47184ef
......@@ -577,7 +577,7 @@ public final class EWKTUtils {
* output target
*/
public static void parseEWKT(String ewkt, Target target) {
parseEWKT(new EWKTSource(ewkt), target, 0, false, false);
parseEWKT(new EWKTSource(ewkt), target, 0, 0);
}
/**
......@@ -589,12 +589,10 @@ public final class EWKTUtils {
* output target
* @param parentType
* type of parent geometry collection, or 0 for the root geometry
* @param useZ
* parent geometry uses dimension Z
* @param useM
* parent geometry uses dimension M
* @param dimensionSystem
* dimension system of parent geometry
*/
private static void parseEWKT(EWKTSource source, Target target, int parentType, boolean useZ, boolean useM) {
private static void parseEWKT(EWKTSource source, Target target, int parentType, int dimensionSystem) {
if (parentType == 0) {
target.init(source.readSRID());
}
......@@ -602,13 +600,7 @@ public final class EWKTUtils {
switch (parentType) {
default: {
type = source.readType();
int ds = source.readDimensionSystem();
if ((ds & DIMENSION_SYSTEM_XYZ) != 0) {
useZ = true;
}
if ((ds & DIMENSION_SYSTEM_XYM) != 0) {
useM = true;
}
dimensionSystem = source.readDimensionSystem();
break;
}
case MULTI_POINT:
......@@ -631,7 +623,7 @@ public final class EWKTUtils {
if (empty) {
target.addCoordinate(Double.NaN, Double.NaN, Double.NaN, Double.NaN, 0, 1);
} else {
addCoordinate(source, target, useZ, useM, 0, 1);
addCoordinate(source, target, dimensionSystem, 0, 1);
source.read(')');
}
break;
......@@ -646,7 +638,7 @@ public final class EWKTUtils {
} else {
ArrayList<double[]> coordinates = new ArrayList<>();
do {
coordinates.add(readCoordinate(source, useZ, useM));
coordinates.add(readCoordinate(source, dimensionSystem));
} while (source.hasMoreCoordinates());
int numPoints = coordinates.size();
if (numPoints < 0 || numPoints == 1) {
......@@ -668,10 +660,10 @@ public final class EWKTUtils {
if (empty) {
target.startPolygon(0, 0);
} else {
ArrayList<double[]> outer = readRing(source, useZ, useM);
ArrayList<double[]> outer = readRing(source, dimensionSystem);
ArrayList<ArrayList<double[]>> inner = new ArrayList<>();
while (source.hasMoreCoordinates()) {
inner.add(readRing(source, useZ, useM));
inner.add(readRing(source, dimensionSystem));
}
int numInner = inner.size();
int size = outer.size();
......@@ -684,7 +676,7 @@ public final class EWKTUtils {
}
target.startPolygon(numInner, size);
if (size > 0) {
addRing(outer, target, useZ, useM);
addRing(outer, target);
for (int i = 0; i < numInner; i++) {
ArrayList<double[]> ring = inner.get(i);
size = ring.size();
......@@ -693,7 +685,7 @@ public final class EWKTUtils {
throw new IllegalArgumentException();
}
target.startPolygonInner(size);
addRing(ring, target, useZ, useM);
addRing(ring, target);
}
target.endNonEmptyPolygon();
}
......@@ -701,16 +693,16 @@ public final class EWKTUtils {
break;
}
case MULTI_POINT:
parseCollection(source, target, MULTI_POINT, parentType, useZ, useM);
parseCollection(source, target, MULTI_POINT, parentType, dimensionSystem);
break;
case MULTI_LINE_STRING:
parseCollection(source, target, MULTI_LINE_STRING, parentType, useZ, useM);
parseCollection(source, target, MULTI_LINE_STRING, parentType, dimensionSystem);
break;
case MULTI_POLYGON:
parseCollection(source, target, MULTI_POLYGON, parentType, useZ, useM);
parseCollection(source, target, MULTI_POLYGON, parentType, dimensionSystem);
break;
case GEOMETRY_COLLECTION:
parseCollection(source, target, GEOMETRY_COLLECTION, parentType, useZ, useM);
parseCollection(source, target, GEOMETRY_COLLECTION, parentType, 0);
break;
default:
throw new IllegalArgumentException();
......@@ -720,8 +712,8 @@ public final class EWKTUtils {
}
}
private static void parseCollection(EWKTSource source, Target target, int type, int parentType, boolean useZ,
boolean useM) {
private static void parseCollection(EWKTSource source, Target target, int type, int parentType,
int dimensionSystem) {
if (parentType != 0 && parentType != GEOMETRY_COLLECTION) {
throw new IllegalArgumentException();
}
......@@ -729,7 +721,7 @@ public final class EWKTUtils {
target.startCollection(type, 0);
} else {
if (type == MULTI_POINT && source.hasCoordinate()) {
parseMultiPointAlternative(source, target, useZ, useM);
parseMultiPointAlternative(source, target, dimensionSystem);
} else {
int numItems = source.getItemCount();
target.startCollection(type, numItems);
......@@ -738,7 +730,7 @@ public final class EWKTUtils {
source.read(',');
}
Target innerTarget = target.startCollectionItem(i, numItems);
parseEWKT(source, innerTarget, type, useZ, useM);
parseEWKT(source, innerTarget, type, dimensionSystem);
target.endCollectionItem(innerTarget, i, numItems);
}
source.read(')');
......@@ -747,11 +739,11 @@ public final class EWKTUtils {
target.endCollection(type);
}
private static void parseMultiPointAlternative(EWKTSource source, Target target, boolean useZ, boolean useM) {
private static void parseMultiPointAlternative(EWKTSource source, Target target, int dimensionSystem) {
// Special case for MULTIPOINT (1 2, 3 4)
ArrayList<double[]> points = new ArrayList<>();
do {
points.add(readCoordinate(source, useZ, useM));
points.add(readCoordinate(source, dimensionSystem));
} while (source.hasMoreCoordinates());
int numItems = points.size();
target.startCollection(MULTI_POINT, numItems);
......@@ -764,16 +756,16 @@ public final class EWKTUtils {
}
}
private static ArrayList<double[]> readRing(EWKTSource source, boolean useZ, boolean useM) {
private static ArrayList<double[]> readRing(EWKTSource source, int dimensionSystem) {
if (source.readEmpty()) {
return new ArrayList<>(0);
}
ArrayList<double[]> result = new ArrayList<>();
double[] c = readCoordinate(source, useZ, useM);
double[] c = readCoordinate(source, dimensionSystem);
double startX = c[X], startY = c[Y];
result.add(c);
while (source.hasMoreCoordinates()) {
result.add(readCoordinate(source, useZ, useM));
result.add(readCoordinate(source, dimensionSystem));
}
int size = result.size();
if (size < 4) {
......@@ -791,20 +783,19 @@ public final class EWKTUtils {
return result;
}
private static void addRing(ArrayList<double[]> ring, Target target, boolean useZ, boolean useM) {
private static void addRing(ArrayList<double[]> ring, Target target) {
for (int i = 0, size = ring.size(); i < size; i++) {
double[] coordinates = ring.get(i);
target.addCoordinate(coordinates[X], coordinates[Y], coordinates[Z], coordinates[M], i, size);
}
}
private static void addCoordinate(EWKTSource source, Target target, boolean useZ, boolean useM, int index,
int total) {
private static void addCoordinate(EWKTSource source, Target target, int dimensionSystem, int index, int total) {
double x = source.readCoordinate();
double y = source.readCoordinate();
double z = Double.NaN, m = Double.NaN;
if (source.hasCoordinate()) {
if (!useZ && useM) {
if (dimensionSystem == DIMENSION_SYSTEM_XYM) {
m = source.readCoordinate();
} else {
z = source.readCoordinate();
......@@ -816,12 +807,12 @@ public final class EWKTUtils {
target.addCoordinate(x, y, z, m, index, total);
}
private static double[] readCoordinate(EWKTSource source, boolean useZ, boolean useM) {
private static double[] readCoordinate(EWKTSource source, int dimensionSystem) {
double x = source.readCoordinate();
double y = source.readCoordinate();
double z = Double.NaN, m = Double.NaN;
if (source.hasCoordinate()) {
if (!useZ && useM) {
if (dimensionSystem == DIMENSION_SYSTEM_XYM) {
m = source.readCoordinate();
} else {
z = source.readCoordinate();
......
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