diff options
Diffstat (limited to 'prototypes/miglayout/net/miginfocom/layout/ConstraintParser.java')
| -rw-r--r-- | prototypes/miglayout/net/miginfocom/layout/ConstraintParser.java | 2818 |
1 files changed, 1409 insertions, 1409 deletions
diff --git a/prototypes/miglayout/net/miginfocom/layout/ConstraintParser.java b/prototypes/miglayout/net/miginfocom/layout/ConstraintParser.java index 9abeafa7..7bea17d0 100644 --- a/prototypes/miglayout/net/miginfocom/layout/ConstraintParser.java +++ b/prototypes/miglayout/net/miginfocom/layout/ConstraintParser.java @@ -1,1409 +1,1409 @@ -package net.miginfocom.layout;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map;
-/*
- * License (BSD):
- * ==============
- *
- * Copyright (c) 2004, Mikael Grev, MiG InfoCom AB. (miglayout (at) miginfocom (dot) com)
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- * Redistributions of source code must retain the above copyright notice, this list
- * of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice, this
- * list of conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- * Neither the name of the MiG InfoCom AB nor the names of its contributors may be
- * used to endorse or promote products derived from this software without specific
- * prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
- * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
- *
- * @version 1.0
- * @author Mikael Grev, MiG InfoCom AB
- * Date: 2006-sep-08
- */
-
-/** Parses string constraints.
- */
-public final class ConstraintParser
-{
- private ConstraintParser()
- {
- }
-
- /** Parses the layout constraints and stores the parsed values in the transient (cache) member varables.
- * @param s The String to parse. Should not be <code>null</code> and <b>must be lower case and trimmed</b>.
- * @throws RuntimeException if the constaint was not valid.
- * @return The parsed constraint. Never <code>null</code>.
- */
- public static LC parseLayoutConstraint(String s)
- {
- LC lc = new LC();
- if (s.length() == 0)
- return lc;
-
- String[] parts = toTrimmedTokens(s, ',');
-
- // First check for "ltr" or "rtl" since that will affect the interpretation of the other constraints.
- for (int i = 0; i < parts.length; i++) {
- String part = parts[i];
- if (part == null)
- continue;
-
- int len = part.length();
- if (len == 3 || len == 11) { // Optimization
- if (part.equals("ltr") || part.equals("rtl") || part.equals("lefttoright") || part.equals("righttoleft")) {
- lc.setLeftToRight(part.charAt(0) == 'l' ? Boolean.TRUE : Boolean.FALSE);
- parts[i] = null; // So we will not try to interpret it again
- }
-
- if (part.equals("ttb") || part.equals("btt") || part.equals("toptobottom") || part.equals("bottomtotop")) {
- lc.setTopToBottom(part.charAt(0) == 't');
- parts[i] = null; // So we will not try to interpret it again
- }
- }
- }
-
- for (int i = 0; i < parts.length; i++) {
- String part = parts[i];
- if (part == null || part.length() == 0)
- continue;
-
- try {
- int ix = -1;
- char c = part.charAt(0);
-
- if (c == 'w') {
- ix = startsWithLenient(part, "wrap", -1, true);
- if (ix > -1) {
- String num = part.substring(ix).trim();
- lc.setWrapAfter(num.length() != 0 ? Integer.parseInt(num) : 0);
- continue;
- }
- }
-
- if (c == 'g') {
- if (part.startsWith("gapx ")) {
- lc.setGridGapX(parseBoundSize(part.substring(5).trim(), true, true));
- continue;
- }
-
- if (part.startsWith("gapy ")) {
- lc.setGridGapY(parseBoundSize(part.substring(5).trim(), true, false));
- continue;
- }
-
- if (part.startsWith("gap ")) {
- String[] gaps = toTrimmedTokens(part.substring(4).trim(), ' ');
- lc.setGridGapX(parseBoundSize(gaps[0], true, true));
- lc.setGridGapY(gaps.length > 1 ? parseBoundSize(gaps[1], true, false) : lc.getGridGapX());
- continue;
- }
- }
-
- if (c == 'd') {
- ix = startsWithLenient(part, "debug", 5, true);
- if (ix > -1) {
- String millis = part.substring(ix).trim();
- lc.setDebugMillis(millis.length() > 0 ? Integer.parseInt(millis) : 1000);
- continue;
- }
- }
-
- if (c == 'n') {
- if (part.equals("nogrid")) {
- lc.setNoGrid(true);
- continue;
- }
-
- if (part.equals("nocache")) {
- lc.setNoCache(true);
- continue;
- }
-
- if (part.equals("novisualpadding")) {
- lc.setVisualPadding(false);
- continue;
- }
- }
-
- if (c == 'f') {
- if (part.equals("fill") || part.equals("fillx") || part.equals("filly")) {
- lc.setFillX(part.length() == 4 || part.charAt(4) == 'x');
- lc.setFillY(part.length() == 4 || part.charAt(4) == 'y');
- continue;
- }
-
- if (part.equals("flowy")) {
- lc.setFlowX(false);
- continue;
- }
-
- if (part.equals("flowx")) {
- lc.setFlowX(true); // This is the default but added for consistency
- continue;
- }
- }
-
- if (c == 'i') {
- ix = startsWithLenient(part, "insets", 3, true);
- if (ix > -1) {
- String insStr = part.substring(ix).trim();
- UnitValue[] ins = parseInsets(insStr, true);
- LayoutUtil.putCCString(ins, insStr);
- lc.setInsets(ins);
- continue;
- }
- }
-
- if (c == 'a') {
- ix = startsWithLenient(part, new String[] {"aligny", "ay"}, new int[] {6, 2}, true);
- if (ix > -1) {
- lc.setAlignY(parseUnitValueOrAlign(part.substring(ix).trim(), false, null));
- continue;
- }
-
- ix = startsWithLenient(part, new String[] {"alignx", "ax"}, new int[] {6, 2}, true);
- if (ix > -1) {
- lc.setAlignX(parseUnitValueOrAlign(part.substring(ix).trim(), true, null));
- continue;
- }
-
- ix = startsWithLenient(part, "align", 2, true);
- if (ix > -1) {
- String[] gaps = toTrimmedTokens(part.substring(ix).trim(), ' ');
- lc.setAlignX(parseUnitValueOrAlign(gaps[0], true, null));
- lc.setAlignY(gaps.length > 1 ? parseUnitValueOrAlign(gaps[1], false, null) : lc.getAlignX());
- continue;
- }
- }
-
- if (c == 'h' && part.startsWith("hidemode ")) {
- lc.setHideMode(Integer.parseInt(part.substring(9)));
- continue;
- }
-
- if (lc.getAlignX() == null) {
- UnitValue alignX = parseAlignKeywords(part, true);
- if (alignX != null) {
- lc.setAlignX(alignX);
- continue;
- }
- }
-
- UnitValue alignY = parseAlignKeywords(part, false);
- if (alignY != null) {
- lc.setAlignY(alignY);
- continue;
- }
-
- throw new IllegalArgumentException("Unknown Constraint: '" + part + "'\n");
-
- } catch (Exception ex) {
- throw new IllegalArgumentException("Illegal Constraint: '" + part + "'\n" + ex.getMessage());
- }
- }
-
-// lc = (LC) serializeTest(lc);
-
- return lc;
- }
-
- /** Parses the column or rows constraints. They normally looks something like <code>"[min:pref]rel[10px][]"</code>.
- * @param s The string to parse. Not <code>null</code>.
- * @return An array of {@link DimConstraint}s that is as manu are there exist "[...]" sections in the string that is parsed.
- * @throws RuntimeException if the constaint was not valid.
- */
- public static AC parseRowConstraints(String s)
- {
- return parseAxisConstraint(s, false);
- }
-
- /** Parses the column or rows constraints. They normally looks something like <code>"[min:pref]rel[10px][]"</code>.
- * @param s The string to parse. Not <code>null</code>.
- * @return An array of {@link DimConstraint}s that is as manu are there exist "[...]" sections in the string that is parsed.
- * @throws RuntimeException if the constaint was not valid.
- */
- public static AC parseColumnConstraints(String s)
- {
- return parseAxisConstraint(s, true);
- }
-
- /** Parses the column or rows constraints. They normally looks something like <code>"[min:pref]rel[10px][]"</code>.
- * @param s The string to parse. Not <code>null</code>.
- * @param isCols If this for columns rather than rows.
- * @return An array of {@link DimConstraint}s that is as manu are there exist "[...]" sections in the string that is parsed.
- * @throws RuntimeException if the constaint was not valid.
- */
- private static AC parseAxisConstraint(String s, boolean isCols)
- {
- s = s.trim();
-
- if (s.length() == 0)
- return new AC(); // Short circuit for performance.
-
- s = s.toLowerCase();
-
- ArrayList<String> parts = getRowColAndGapsTrimmed(s);
-
- BoundSize[] gaps = new BoundSize[(parts.size() >> 1) + 1];
- for (int i = 0, iSz = parts.size(), gIx = 0; i < iSz; i += 2, gIx++)
- gaps[gIx] = parseBoundSize(parts.get(i), true, isCols);
-
- DimConstraint[] colSpecs = new DimConstraint[parts.size() >> 1];
- for (int i = 0, gIx = 0; i < colSpecs.length; i++, gIx++) {
- if (gIx >= gaps.length - 1)
- gIx = gaps.length - 2;
-
- colSpecs[i] = parseDimConstraint(parts.get((i << 1) + 1), gaps[gIx], gaps[gIx + 1], isCols);
- }
-
- AC ac = new AC();
- ac.setConstaints(colSpecs);
-
-// ac = (AC) serializeTest(ac);
-
- return ac;
- }
-
- /** Parses a single column or row constriant.
- * @param s The single constrint to parse. May look something like <code>"min:pref,fill,grow"</code>. Should not be <code>null</code> and <b>must
- * be lower case and trimmed</b>.
- * @param gapBefore The default gap "before" the column/row constraint. Can be overridden with a <code>"gap"</code> section within <code>s</code>.
- * @param gapAfter The default gap "after" the column/row constraint. Can be overridden with a <code>"gap"</code> section within <code>s</code>.
- * @param isCols If the constraints are column constraints rather than row constraints.
- * @return A single constraint. Never <code>null</code>.
- * @throws RuntimeException if the constaint was not valid.
- */
- private static DimConstraint parseDimConstraint(String s, BoundSize gapBefore, BoundSize gapAfter, boolean isCols)
- {
- DimConstraint dimConstraint = new DimConstraint();
-
- // Default values.
- dimConstraint.setGapBefore(gapBefore);
- dimConstraint.setGapAfter(gapAfter);
-
- String[] parts = toTrimmedTokens(s, ',');
- for (int i = 0; i < parts.length; i++) {
- String part = parts[i];
- try {
- if (part.length() == 0)
- continue;
-
- if (part.equals("fill")) {
- dimConstraint.setFill(true);
- dimConstraint.setAlign(null); // Can not have both fill and alignment
- continue;
- }
-
- if (part.equals("nogrid")) {
- dimConstraint.setNoGrid(true);
- continue;
- }
-
- int ix = -1;
- char c = part.charAt(0);
-
- if (c == 's') {
- ix = startsWithLenient(part, new String[] {"sizegroup", "sg"}, new int[] {5, 2}, true);
- if (ix > -1) {
- dimConstraint.setSizeGroup(part.substring(ix).trim());
- continue;
- }
-
-
- ix = startsWithLenient(part, new String[] {"shrinkprio", "shp"}, new int[] {10, 3}, true);
- if (ix > -1) {
- dimConstraint.setShrinkPriority(Integer.parseInt(part.substring(ix).trim()));
- continue;
- }
-
- ix = startsWithLenient(part, "shrink", 6, true);
- if (ix > -1) {
- dimConstraint.setShrink(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100));
- continue;
- }
- }
-
- if (c == 'g') {
- ix = startsWithLenient(part, new String[] {"growpriority", "gp"}, new int[] {5, 2}, true);
- if (ix > -1) {
- dimConstraint.setGrowPriority(Integer.parseInt(part.substring(ix).trim()));
- continue;
- }
-
- ix = startsWithLenient(part, "grow", 4, true);
- if (ix > -1) {
- dimConstraint.setGrow(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100));
- continue;
- }
- }
-
- if (c == 'a') {
- ix = startsWithLenient(part, "align", 2, true);
- if (ix > -1) {
- if (dimConstraint.isFill() == false) // Swallow, but ignore if fill is set.
- dimConstraint.setAlign(parseUnitValueOrAlign(part.substring(ix).trim(), isCols, null));
- continue;
- }
- }
-
- UnitValue align = parseAlignKeywords(part, isCols);
- if (align != null) {
- if (dimConstraint.isFill() == false) // Swallow, but ignore if fill is set.
- dimConstraint.setAlign(align);
- continue;
- }
-
- // Only min:pref:max still left that is ok
- dimConstraint.setSize(parseBoundSize(part, false, isCols));
-
- } catch (Exception ex) {
- throw new IllegalArgumentException("Illegal contraint: '" + part + "'\n" + ex.getMessage());
- }
- }
- return dimConstraint;
- }
-
- /** Parses all component constraints and stores the parsed values in the transient (cache) member varables.
- * @param constrMap The constraints as <code>String</code>s. Strings <b>must be lower case and trimmed</b>
- * @return The parsed constraints. Never <code>null</code>.
- */
- public static Map<ComponentWrapper, CC> parseComponentConstraints(Map<ComponentWrapper, String> constrMap)
- {
- HashMap<ComponentWrapper, CC> flowConstrMap = new HashMap<ComponentWrapper, CC>();
-
- for (Iterator<Map.Entry<ComponentWrapper, String>> it = constrMap.entrySet().iterator(); it.hasNext();) {
- Map.Entry<ComponentWrapper, String> entry = it.next();
- flowConstrMap.put(entry.getKey(), parseComponentConstraint(entry.getValue()));
- }
-
- return flowConstrMap;
- }
-
- /** Parses one component constraint and returns the parsed value.
- * @param s The string to parse. Should not be <code>null</code> and <b>must be lower case and trimmed</b>.
- * @throws RuntimeException if the constaint was not valid.
- * @return The parsed constraint. Never <code>null</code>.
- */
- public static CC parseComponentConstraint(String s)
- {
- CC cc = new CC();
-
- if (s.length() == 0)
- return cc;
-
- String[] parts = toTrimmedTokens(s, ',');
-
- for (int i = 0; i < parts.length; i++) {
- String part = parts[i];
- try {
- if (part.length() == 0)
- continue;
-
- int ix = -1;
- char c = part.charAt(0);
-
- if (c == 'n') {
- if (part.equals("north")) {
- cc.setDockSide(0);
- continue;
- }
-
- if (part.equals("newline")) {
- cc.setNewline(true);
- continue;
- }
-
- if (part.startsWith("newline ")) {
- String gapSz = part.substring(7).trim();
- cc.setNewlineGapSize(parseBoundSize(gapSz, true, true));
- continue;
- }
- }
-
- if (c == 'f' && (part.equals("flowy") || part.equals("flowx"))) {
- cc.setFlowX(part.charAt(4) == 'x' ? Boolean.TRUE : Boolean.FALSE);
- continue;
- }
-
- if (c == 's') {
- ix = startsWithLenient(part, "skip", 4, true);
- if (ix > -1) {
- String num = part.substring(ix).trim();
- cc.setSkip(num.length() != 0 ? Integer.parseInt(num) : 1);
- continue;
- }
-
- ix = startsWithLenient(part, "split", 5, true);
- if (ix > -1) {
- String split = part.substring(ix).trim();
- cc.setSplit(split.length() > 0 ? Integer.parseInt(split) : LayoutUtil.INF);
- continue;
- }
-
- if (part.equals("south")) {
- cc.setDockSide(2);
- continue;
- }
-
- ix = startsWithLenient(part, new String[] {"spany","sy"}, new int[] {5, 2}, true);
- if (ix > -1) {
- cc.setSpanY(parseSpan(part.substring(ix).trim()));
- continue;
- }
-
- ix = startsWithLenient(part, new String[] {"spanx","sx"}, new int[] {5, 2}, true);
- if (ix > -1) {
- cc.setSpanX(parseSpan(part.substring(ix).trim()));
- continue;
- }
-
- ix = startsWithLenient(part, "span", 4, true);
- if (ix > -1) {
- String[] spans = toTrimmedTokens(part.substring(ix).trim(), ' ');
- cc.setSpanX(spans[0].length() > 0 ? Integer.parseInt(spans[0]) : LayoutUtil.INF);
- cc.setSpanY(spans.length > 1 ? Integer.parseInt(spans[1]) : 1);
- continue;
- }
-
- ix = startsWithLenient(part, "shrinkx", 7, true);
- if (ix > -1) {
- cc.getHorizontal().setShrink(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100));
- continue;
- }
-
- ix = startsWithLenient(part, "shrinky", 7, true);
- if (ix > -1) {
- cc.getVertical().setShrink(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100));
- continue;
- }
-
- ix = startsWithLenient(part, "shrink", 6, false);
- if (ix > -1) {
- String[] shrinks = toTrimmedTokens(part.substring(ix).trim(), ' ');
- cc.getHorizontal().setShrink(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100));
- if (shrinks.length > 1)
- cc.getVertical().setShrink(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100));
- continue;
- }
-
- ix = startsWithLenient(part, new String[] {"shrinkprio", "shp"}, new int[] {10, 3}, true);
- if (ix > -1) {
- String sp = part.substring(ix).trim();
- if (sp.startsWith("x") || sp.startsWith("y")) { // To gandle "gpx", "gpy", "shrinkpriorityx", shrinkpriorityy"
- (sp.startsWith("x") ? cc.getHorizontal() : cc.getVertical()).setShrinkPriority(Integer.parseInt(sp.substring(2)));
- } else {
- String[] shrinks = toTrimmedTokens(sp, ' ');
- cc.getHorizontal().setShrinkPriority(Integer.parseInt(shrinks[0]));
- if (shrinks.length > 1)
- cc.getVertical().setShrinkPriority(Integer.parseInt(shrinks[1]));
- }
- continue;
- }
-
- ix = startsWithLenient(part, new String[] {"sizegroupx", "sizegroupy", "sgx", "sgy"}, new int[] {9, 9, 2, 2}, true);
- if (ix > -1) {
- String sg = part.substring(ix).trim();
- char lc = part.charAt(ix - 1);
- if (lc != 'y')
- cc.getHorizontal().setSizeGroup(sg);
- if (lc != 'x')
- cc.getVertical().setSizeGroup(sg);
- continue;
- }
- }
-
- if (c == 'g') {
- ix = startsWithLenient(part, "growx", 5, true);
- if (ix > -1) {
- cc.getHorizontal().setGrow(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100));
- continue;
- }
-
- ix = startsWithLenient(part, "growy", 5, true);
- if (ix > -1) {
- cc.getVertical().setGrow(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100));
- continue;
- }
-
- ix = startsWithLenient(part, "grow", 4, false);
- if (ix > -1) {
- String[] grows = toTrimmedTokens(part.substring(ix).trim(), ' ');
- cc.getHorizontal().setGrow(parseFloat(grows[0], ResizeConstraint.WEIGHT_100));
- cc.getVertical().setGrow(parseFloat(grows.length > 1 ? grows[1] : "", ResizeConstraint.WEIGHT_100));
- continue;
- }
-
- ix = startsWithLenient(part, new String[] {"growprio", "gp"}, new int[] {8, 2}, true);
- if (ix > -1) {
- String gp = part.substring(ix).trim();
- char c0 = gp.length() > 0 ? gp.charAt(0) : ' ';
- if (c0 == 'x' || c0 == 'y') { // To gandle "gpx", "gpy", "growpriorityx", growpriorityy"
- (c0 == 'x' ? cc.getHorizontal() : cc.getVertical()).setGrowPriority(Integer.parseInt(gp.substring(2)));
- } else {
- String[] grows = toTrimmedTokens(gp, ' ');
- cc.getHorizontal().setGrowPriority(Integer.parseInt(grows[0]));
- if (grows.length > 1)
- cc.getVertical().setGrowPriority(Integer.parseInt(grows[1]));
- }
- continue;
- }
-
- if (part.startsWith("gap")) {
- BoundSize[] gaps = parseGaps(part);
- if (gaps[0] != null)
- cc.getVertical().setGapBefore(gaps[0]);
- if (gaps[1] != null)
- cc.getHorizontal().setGapBefore(gaps[1]);
- if (gaps[2] != null)
- cc.getVertical().setGapAfter(gaps[2]);
- if (gaps[3] != null)
- cc.getHorizontal().setGapAfter(gaps[3]);
- continue;
- }
- }
-
- if (c == 'a') {
- ix = startsWithLenient(part, new String[] {"aligny", "ay"}, new int[] {6, 2}, true);
- if (ix > -1) {
- cc.getVertical().setAlign(parseUnitValueOrAlign(part.substring(ix).trim(), false, null));
- continue;
- }
-
- ix = startsWithLenient(part, new String[] {"alignx", "ax"}, new int[] {6, 2}, true);
- if (ix > -1) {
- cc.getHorizontal().setAlign(parseUnitValueOrAlign(part.substring(ix).trim(), true, null));
- continue;
- }
-
- ix = startsWithLenient(part, "align", 2, true);
- if (ix > -1) {
- String[] gaps = toTrimmedTokens(part.substring(ix).trim(), ' ');
- cc.getHorizontal().setAlign(parseUnitValueOrAlign(gaps[0], true, null));
- if (gaps.length > 1)
- cc.getVertical().setAlign(parseUnitValueOrAlign(gaps[1], false, null));
- continue;
- }
- }
-
- if ((c == 'x' || c == 'y') && part.length() > 2) {
- char c2 = part.charAt(1);
- if (c2 == ' ' || (c2 == '2' && part.charAt(2) == ' ')) {
- if (cc.getPos() == null) {
- cc.setPos(new UnitValue[4]);
- } else if (cc.isBoundsInGrid() == false) {
- throw new IllegalArgumentException("Can not combine 'position' with 'x/y/x2/y2' keywords.");
- }
-
- int edge = (c == 'x' ? 0 : 1) + (c2 == '2' ? 2 : 0);
- UnitValue[] pos = cc.getPos();
- pos[edge] = parseUnitValue(part.substring(2).trim(), null, c == 'x');
- cc.setPos(pos);
- cc.setBoundsInGrid(true);
- continue;
- }
- }
-
- if (c == 'c') {
- ix = startsWithLenient(part, "cell", 4, true);
- if (ix > -1) {
- String[] grs = toTrimmedTokens(part.substring(ix).trim(), ' ');
- if (grs.length < 2)
- throw new IllegalArgumentException("At least two integers must follow " + part);
- cc.setCellX(Integer.parseInt(grs[0]));
- cc.setCellY(Integer.parseInt(grs[1]));
- if (grs.length > 2)
- cc.setSpanX(Integer.parseInt(grs[2]));
- if (grs.length > 3)
- cc.setSpanY(Integer.parseInt(grs[3]));
- continue;
- }
- }
-
- if (c == 'p') {
- ix = startsWithLenient(part, "pos", 3, true);
- if (ix > -1) {
- if (cc.getPos() != null && cc.isBoundsInGrid())
- throw new IllegalArgumentException("Can not combine 'pos' with 'x/y/x2/y2' keywords.");
-
- String[] pos = toTrimmedTokens(part.substring(ix).trim(), ' ');
- UnitValue[] bounds = new UnitValue[4];
- for (int j = 0; j < pos.length; j++)
- bounds[j] = parseUnitValue(pos[j], null, j % 2 == 0);
-
- if (bounds[0] == null && bounds[2] == null || bounds[1] == null && bounds[3] == null)
- throw new IllegalArgumentException("Both x and x2 or y and y2 can not be null!");
-
- cc.setPos(bounds);
- cc.setBoundsInGrid(false);
- continue;
- }
-
- ix = startsWithLenient(part, "pad", 3, true);
- if (ix > -1) {
- UnitValue[] p = parseInsets(part.substring(ix).trim(), false);
- cc.setPadding(new UnitValue[] {
- p[0],
- p.length > 1 ? p[1] : null,
- p.length > 2 ? p[2] : null,
- p.length > 3 ? p[3] : null});
- continue;
- }
-
- ix = startsWithLenient(part, "pushx", 5, true);
- if (ix > -1) {
- cc.setPushX(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100));
- continue;
- }
-
- ix = startsWithLenient(part, "pushy", 5, true);
- if (ix > -1) {
- cc.setPushY(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100));
- continue;
- }
-
- ix = startsWithLenient(part, "push", 4, false);
- if (ix > -1) {
- String[] pushs = toTrimmedTokens(part.substring(ix).trim(), ' ');
- cc.setPushX(parseFloat(pushs[0], ResizeConstraint.WEIGHT_100));
- cc.setPushY(parseFloat(pushs.length > 1 ? pushs[1] : "", ResizeConstraint.WEIGHT_100));
- continue;
- }
- }
-
- if (c == 't') {
- ix = startsWithLenient(part, "tag", 3, true);
- if (ix > -1) {
- cc.setTag(part.substring(ix).trim());
- continue;
- }
- }
-
- if (c == 'w' || c == 'h') {
- if (part.equals("wrap")) {
- cc.setWrap(true);
- continue;
- }
-
- if (part.startsWith("wrap ")) {
- String gapSz = part.substring(5).trim();
- cc.setWrapGapSize(parseBoundSize(gapSz, true, true));
- continue;
- }
-
- boolean isHor = c == 'w';
- if (isHor && (part.startsWith("w ") || part.startsWith("width "))) {
- String uvStr = part.substring(part.charAt(1) == ' ' ? 2 : 6).trim();
- BoundSize wbs = parseBoundSize(uvStr, false, true);
- LayoutUtil.putCCString(wbs, uvStr);
- cc.getHorizontal().setSize(wbs);
- continue;
- }
-
- if (!isHor && (part.startsWith("h ") || part.startsWith("height "))) {
- String uvStr = part.substring(part.charAt(1) == ' ' ? 2 : 7).trim();
- BoundSize hbs = parseBoundSize(uvStr, false, false);
- LayoutUtil.putCCString(hbs, uvStr);
- cc.getVertical().setSize(hbs);
- continue;
- }
-
- if (part.startsWith("wmin ") || part.startsWith("wmax ") || part.startsWith("hmin ") || part.startsWith("hmax ")) {
- String uvStr = part.substring(5).trim();
- if (uvStr.length() > 0) {
- UnitValue uv = parseUnitValue(uvStr, null, isHor);
- boolean isMin = part.charAt(3) == 'n';
- DimConstraint dc = isHor ? cc.getHorizontal() : cc.getVertical();
- dc.setSize(new BoundSize(
- isMin ? uv : (dc.getSize() != null ? dc.getSize().getMin() : null),
- dc.getSize() != null ? dc.getSize().getPreferred() : null,
- isMin ? (dc.getSize() != null ? dc.getSize().getMax() : null) : uv,
- uvStr
- ));
- continue;
- }
- }
-
- if (part.equals("west")) {
- cc.setDockSide(1);
-// cc.getVertical().setGrow(ResizeConstraint.WEIGHT_100);
- continue;
- }
-
- if (part.startsWith("hidemode ")) {
- cc.setHideMode(Integer.parseInt(part.substring(9)));
- continue;
- }
- }
-
- if (c == 'i' && part.startsWith("id ")) {
- cc.setId(part.substring(3).trim());
- int dIx = cc.getId().indexOf('.');
- if (dIx == 0 || dIx == cc.getId().length() - 1)
- throw new IllegalArgumentException("Dot must not be first or last!");
-
- continue;
- }
-
- if (c == 'e') {
- if (part.equals("east")) {
- cc.setDockSide(3);
-// cc.getVertical().setGrow(ResizeConstraint.WEIGHT_100);
- continue;
- }
-
- if (part.equals("external")) {
- cc.setExternal(true);
- continue;
- }
-
- ix = startsWithLenient(part, new String[] {"endgroupx", "endgroupy", "egx", "egy"}, new int[] {-1, -1, -1, -1}, true);
- if (ix > -1) {
- String sg = part.substring(ix).trim();
- char lc = part.charAt(ix - 1);
- DimConstraint dc = (lc == 'x' ? cc.getHorizontal() : cc.getVertical());
- dc.setEndGroup(sg);
- continue;
- }
- }
-
- if (c == 'd') {
- if (part.equals("dock north")) {
- cc.setDockSide(0);
- continue;
- }
- if (part.equals("dock west")) {
- cc.setDockSide(1);
- continue;
- }
- if (part.equals("dock south")) {
- cc.setDockSide(2);
- continue;
- }
- if (part.equals("dock east")) {
- cc.setDockSide(3);
- continue;
- }
-
- if (part.equals("dock center")) {
- cc.getHorizontal().setGrow(new Float(100f));
- cc.getVertical().setGrow(new Float(100f));
- continue;
- }
- }
-
- UnitValue horAlign = parseAlignKeywords(part, true);
- if (horAlign != null) {
- cc.getHorizontal().setAlign(horAlign);
- continue;
- }
-
- UnitValue verAlign = parseAlignKeywords(part, false);
- if (verAlign != null) {
- cc.getVertical().setAlign(verAlign);
- continue;
- }
-
- throw new IllegalArgumentException("Unknown keyword.");
-
- } catch (Exception ex) {
- throw new IllegalArgumentException("Illegal Constraint: '" + part + "'\n" + ex.getMessage());
- }
- }
-
-// cc = (CC) serializeTest(cc);
-
- return cc;
- }
-
- /** Parses insets which consists of 1-4 <code>UnitValue</code>s.
- * @param s The string to parse. E.g. "10 10 10 10" or "20". If less than 4 groups the last will be used for the missing.
- * @param acceptPanel If "panel" and "dialog" should be accepted. They are used to access platform defaults.
- * @return An array of length 4 with the parsed insets.
- * @throws IllegalArgumentException if the parsing could not be done.
- */
- public static UnitValue[] parseInsets(String s, boolean acceptPanel)
- {
- if (s.length() == 0 || s.equals("dialog") || s.equals("panel")) {
- if (acceptPanel == false)
- throw new IllegalAccessError("Insets now allowed: " + s + "\n");
-
- boolean isPanel = s.startsWith("p");
- UnitValue[] ins = new UnitValue[4];
- for (int j = 0; j < 4; j++)
- ins[j] = isPanel ? PlatformDefaults.getPanelInsets(j) : PlatformDefaults.getDialogInsets(j);
-
- return ins;
- } else {
- String[] insS = toTrimmedTokens(s, ' ');
- UnitValue[] ins = new UnitValue[4];
- for (int j = 0; j < 4; j++) {
- UnitValue insSz = parseUnitValue(insS[j < insS.length ? j : insS.length - 1], UnitValue.ZERO, j % 2 == 1);
- ins[j] = insSz != null ? insSz : PlatformDefaults.getPanelInsets(j);
- }
- return ins;
- }
- }
-
- /** Parses gaps.
- * @param s The string that contains gap information. Should start with "gap".
- * @return The gaps as specified in <code>s</code>. Indexed: <code>[top,left,bottom,right][min,pref,max]</code> or
- * [before,after][min,pref,max] if <code>oneDim</code> is true.
- */
- private static BoundSize[] parseGaps(String s)
- {
- BoundSize[] ret = new BoundSize[4];
-
- int ix = startsWithLenient(s, "gaptop", -1, true);
- if (ix > -1) {
- s = s.substring(ix).trim();
- ret[0] = parseBoundSize(s, true, false);
- return ret;
- }
-
- ix = startsWithLenient(s, "gapleft", -1, true);
- if (ix > -1) {
- s = s.substring(ix).trim();
- ret[1] = parseBoundSize(s, true, true);
- return ret;
- }
-
- ix = startsWithLenient(s, "gapbottom", -1, true);
- if (ix > -1) {
- s = s.substring(ix).trim();
- ret[2] = parseBoundSize(s, true, false);
- return ret;
- }
-
- ix = startsWithLenient(s, "gapright", -1, true);
- if (ix > -1) {
- s = s.substring(ix).trim();
- ret[3] = parseBoundSize(s, true, true);
- return ret;
- }
-
- ix = startsWithLenient(s, "gapbefore", -1, true);
- if (ix > -1) {
- s = s.substring(ix).trim();
- ret[1] = parseBoundSize(s, true, true);
- return ret;
- }
-
- ix = startsWithLenient(s, "gapafter", -1, true);
- if (ix > -1) {
- s = s.substring(ix).trim();
- ret[3] = parseBoundSize(s, true, true);
- return ret;
- }
-
- ix = startsWithLenient(s, new String[] {"gapx", "gapy"}, null, true);
- if (ix > -1) {
- boolean x = s.charAt(3) == 'x';
- String[] gaps = toTrimmedTokens(s.substring(ix).trim(), ' ');
- ret[x ? 1 : 0] = parseBoundSize(gaps[0], true, x);
- if (gaps.length > 1)
- ret[x ? 3 : 2] = parseBoundSize(gaps[1], true, !x);
- return ret;
- }
-
- ix = startsWithLenient(s, "gap ", 1, true);
- if (ix > -1) {
- String[] gaps = toTrimmedTokens(s.substring(ix).trim(), ' ');
-
- ret[1] = parseBoundSize(gaps[0], true, true); // left
- if (gaps.length > 1) {
- ret[3] = parseBoundSize(gaps[1], true, false); // right
- if (gaps.length > 2) {
- ret[0] = parseBoundSize(gaps[2], true, true); // top
- if (gaps.length > 3)
- ret[2] = parseBoundSize(gaps[3], true, false); // bottom
- }
- }
- return ret;
- }
-
- throw new IllegalArgumentException("Unknown Gap part: '" + s + "'");
- }
-
- private static int parseSpan(String s)
- {
- return s.length() > 0 ? Integer.parseInt(s) : LayoutUtil.INF;
- }
-
- private static Float parseFloat(String s, Float nullVal)
- {
- return s.length() > 0 ? new Float(Float.parseFloat(s)) : nullVal;
- }
-
- /** Parses a singele "min:pref:max" value. May look something like <code>"10px:20lp:30%"</code> or <code>"pref!"</code>.
- * @param s The string to parse. Not <code>null</code>.
- * @param isGap If this bound size is a gap (different empty string handling).
- * @param isHor If the size is for the horizontal dimension.
- * @return A bound size that may be <code>null</code> if the string was "null", "n" or <code>null</code>.
- */
- public static BoundSize parseBoundSize(String s, boolean isGap, boolean isHor)
- {
- if (s.length() == 0 || s.equals("null") || s.equals("n"))
- return null;
-
- boolean push = false;
- if (s.endsWith("push")) {
- if (isGap == false)
- throw new IllegalArgumentException("Only gaps can have 'push' in size. Use as separate keyword for components.");
- push = true;
- int l = s.length();
- s = s.substring(0, l - (s.endsWith(":push") ? 5 : 4));
- if (s.length() == 0)
- return new BoundSize(null, null, null, true, s);
- }
-
- String[] sizes = toTrimmedTokens(s, ':');
- String s0 = sizes[0];
-
- if (sizes.length == 1) {
- boolean hasEM = s0.endsWith("!");
- if (hasEM)
- s0 = s0.substring(0, s0.length() - 1);
- UnitValue uv = parseUnitValue(s0, null, isHor);
- return new BoundSize(((isGap || hasEM) ? uv : null), uv, (hasEM ? uv : null), push, s);
-
- } else if (sizes.length == 2) {
- return new BoundSize(parseUnitValue(s0, null, isHor), parseUnitValue(sizes[1], null, isHor), null, push, s);
- } else if (sizes.length == 3) {
- return new BoundSize(parseUnitValue(s0, null, isHor), parseUnitValue(sizes[1], null, isHor), parseUnitValue(sizes[2], null, isHor), push, s);
- } else {
- throw new IllegalArgumentException("Min:Preferred:Max size section must contain 0, 1 or 2 colons. '" + s + "'");
- }
- }
-
- /** Parses a single unit value that may also be an alignment as parsed by {@link #parseAlignKeywords(String, boolean)}.
- * @param s The string to parse. Not <code>null</code>. May look something like <code>"10px"</code> or <code>"5dlu"</code>.
- * @param isHor If the value is for the horizontal dimension.
- * @param emptyReplacement A replacement if <code>s</code> is empty. May be <code>null</code>.
- * @return The parsed unit value. May be <code>null</code>.
- */
- public static UnitValue parseUnitValueOrAlign(String s, boolean isHor, UnitValue emptyReplacement)
- {
- if (s.length() == 0)
- return emptyReplacement;
-
- UnitValue align = parseAlignKeywords(s, isHor);
- if (align != null)
- return align;
-
- return parseUnitValue(s, emptyReplacement, isHor);
- }
-
- /** Parses a single unit value. E.g. "10px" or "5in"
- * @param s The string to parse. Not <code>null</code>. May look something like <code>"10px"</code> or <code>"5dlu"</code>.
- * @param isHor If the value is for the horizontal dimension.
- * @return The parsed unit value. <code>null</code> is empty string,
- */
- public static UnitValue parseUnitValue(String s, boolean isHor)
- {
- return parseUnitValue(s, null, isHor);
- }
-
- /** Parses a single unit value.
- * @param s The string to parse. May be <code>null</code>. May look something like <code>"10px"</code> or <code>"5dlu"</code>.
- * @param emptyReplacement A replacement <code>s</code> is empty or <code>null</code>. May be <code>null</code>.
- * @param isHor If the value is for the horizontal dimension.
- * @return The parsed unit value. May be <code>null</code>.
- */
- private static UnitValue parseUnitValue(String s, UnitValue emptyReplacement, boolean isHor)
- {
- if (s == null || s.length() == 0)
- return emptyReplacement;
-
- String cs = s; // Save creation string.
- char c0 = s.charAt(0);
-
- // Remove start and end parentheses, if there.
- if (c0 == '(' && s.charAt(s.length() - 1) == ')')
- s = s.substring(1, s.length() - 1);
-
- if (c0 == 'n' && (s.equals("null") || s.equals("n")))
- return null;
-
- if (c0 == 'i' && s.equals("inf"))
- return UnitValue.INF;
-
- int oper = getOper(s);
- boolean inline = oper == UnitValue.ADD || oper == UnitValue.SUB || oper == UnitValue.MUL || oper == UnitValue.DIV;
-
- if (oper != UnitValue.STATIC) { // It is a multi-value
-
- String[] uvs;
- if (inline == false) { // If the format is of type "opr(xxx,yyy)" (compared to in-line "10%+15px")
- String sub = s.substring(4, s.length() - 1).trim();
- uvs = toTrimmedTokens(sub, ',');
- if (uvs.length == 1)
- return parseUnitValue(sub, null, isHor);
- } else {
- char delim;
- if (oper == UnitValue.ADD) {
- delim = '+';
- } else if (oper == UnitValue.SUB) {
- delim = '-';
- } else if (oper == UnitValue.MUL) {
- delim = '*';
- } else { // div left
- delim = '/';
- }
- uvs = toTrimmedTokens(s, delim);
- if (uvs.length > 2) { // More than one +-*/.
- String last = uvs[uvs.length - 1];
- String first = s.substring(0, s.length() - last.length() - 1);
- uvs = new String[] {first, last};
- }
- }
-
- if (uvs.length != 2)
- throw new IllegalArgumentException("Malformed UnitValue: '" + s + "'");
-
- UnitValue sub1 = parseUnitValue(uvs[0], null, isHor);
- UnitValue sub2 = parseUnitValue(uvs[1], null, isHor);
-
- if (sub1 == null || sub2 == null)
- throw new IllegalArgumentException("Malformed UnitValue. Must be two sub-values: '" + s + "'");
-
- return new UnitValue(isHor, oper, sub1, sub2, cs);
- } else {
- try {
- String[] numParts = getNumTextParts(s);
- float value = numParts[0].length() > 0 ? Float.parseFloat(numParts[0]) : 1; // e.g. "related" has no number part..
-
- return new UnitValue(value, numParts[1], isHor, oper, cs);
-
- } catch(Exception e) {
- throw new IllegalArgumentException("Malformed UnitValue: '" + s + "'");
- }
- }
- }
-
- /** Parses alignment keywords and returns the approprieate <code>UnitValue</code>.
- * @param s The string to parse. Not <code>null</code>.
- * @param isHor If alignments for horizontal is checked. <code>false</code> means vertical.
- * @return The unit value or <code>null</code> if not recognized (no exception).
- */
- static UnitValue parseAlignKeywords(String s, boolean isHor)
- {
- if (startsWithLenient(s, "center", 1, false) != -1)
- return UnitValue.CENTER;
-
- if (isHor) {
- if (startsWithLenient(s, "left", 1, false) != -1)
- return UnitValue.LEFT;
-
- if (startsWithLenient(s, "right", 1, false) != -1)
- return UnitValue.RIGHT;
-
- if (startsWithLenient(s, "leading", 4, false) != -1)
- return UnitValue.LEADING;
-
- if (startsWithLenient(s, "trailing", 5, false) != -1)
- return UnitValue.TRAILING;
-
- if (startsWithLenient(s, "label", 5, false) != -1)
- return UnitValue.LABEL;
-
- } else {
-
- if (startsWithLenient(s, "baseline", 4, false) != -1)
- return UnitValue.BASELINE_IDENTITY;
-
- if (startsWithLenient(s, "top", 1, false) != -1)
- return UnitValue.TOP;
-
- if (startsWithLenient(s, "bottom", 1, false) != -1)
- return UnitValue.BOTTOM;
- }
-
- return null;
- }
-
- /** Splits a text-number combination such as "hello 10.0" into <code>{"hello", "10.0"}</code>.
- * @param s The string to split. Not <code>null</code>. Needs be be resonably formatted since the method
- * only finds the first 0-9 or . and cuts the string in half there.
- * @return Always length 2 and no <code>null</code> elements. Elements are "" if no part found.
- */
- private static String[] getNumTextParts(String s)
- {
- for (int i = 0, iSz = s.length(); i < iSz; i++) {
- char c = s.charAt(i);
- if (c == ' ')
- throw new IllegalArgumentException("Space in UnitValue: '" + s + "'");
-
- if ((c < '0' || c > '9') && c != '.' && c != '-')
- return new String[] {s.substring(0, i).trim(), s.substring(i).trim()};
- }
- return new String[] {s, ""};
- }
-
- /** Returns the operation depending on the start character.
- * @param s The string to check. Not <code>null</code>.
- * @return E.g. UnitValue.ADD, UnitValue.SUB or UnitValue.STATIC. Returns negative value for in-line operations.
- */
- private static int getOper(String s)
- {
- int len = s.length();
- if (len < 3)
- return UnitValue.STATIC;
-
- if (len > 5 && s.charAt(3) == '(' && s.charAt(len - 1) == ')') {
- if (s.startsWith("min("))
- return UnitValue.MIN;
-
- if (s.startsWith("max("))
- return UnitValue.MAX;
-
- if (s.startsWith("mid("))
- return UnitValue.MID;
- }
-
- // Try in-line add/sub. E.g. "pref+10px".
- for (int j = 0; j < 2; j++) { // First +- then */ (precedence)
- for (int i = len - 1, p = 0; i > 0; i--) {
- char c = s.charAt(i);
- if (c == ')') {
- p++;
- } else if (c == '(') {
- p--;
- } else if (p == 0) {
- if (j == 0) {
- if (c == '+')
- return UnitValue.ADD;
- if (c == '-')
- return UnitValue.SUB;
- } else {
- if (c == '*')
- return UnitValue.MUL;
- if (c == '/')
- return UnitValue.DIV;
- }
- }
- }
- }
- return UnitValue.STATIC;
- }
-
- /** Returns if a string shares at least a specified numbers starting characters with a number of matches.
- * <p>
- * This method just excercises {@link #startsWithLenient(String, String, int, boolean)} with every one of
- * <code>matches</code> and <code>minChars</code>.
- * @param s The string to check. Not <code>null</code>.
- * @param matches A number of possible starts for <code>s</code>.
- * @param minChars The mimimum number of characters to match for every element in <code>matches</code>. Needs
- * to be of same length as <code>matches</code>. Can be <code>null</code>.
- * @param acceptTrailing If after the required number of charecters are matched onrecognized characters that are not
- * in one of the the <code>matches</code> string should be accepted. For instance if "abczz" should be matched with
- * "abcdef" and min chars 3.
- * @return The index of the first unmatched character if <code>minChars</code> was reached or <code>-1</code> if a match was not
- * found.
- */
- private static int startsWithLenient(String s, String[] matches, int[] minChars, boolean acceptTrailing)
- {
- for (int i = 0; i < matches.length; i++) {
- int minChar = minChars != null ? minChars[i] : -1;
- int ix = startsWithLenient(s, matches[i], minChar, acceptTrailing);
- if (ix > -1)
- return ix;
- }
- return -1;
- }
-
- /** Returns if a string shares at least a specified numbers starting characters with a match.
- * @param s The string to check. Not <code>null</code> and must be trimmed.
- * @param match The possible start for <code>s</code>. Not <code>null</code> and must be trimmed.
- * @param minChars The mimimum number of characters to match to <code>s</code> for it this to be considered a match. -1 means
- * the full length of <code>match</code>.
- * @param acceptTrailing If after the required number of charecters are matched unrecognized characters that are not
- * in one of the the <code>matches</code> string should be accepted. For instance if "abczz" should be matched with
- * "abcdef" and min chars 3.
- * @return The index of the first unmatched character if <code>minChars</code> was reached or <code>-1</code> if a match was not
- * found.
- */
- private static int startsWithLenient(String s, String match, int minChars, boolean acceptTrailing)
- {
- if (s.charAt(0) != match.charAt(0)) // Fast sanity check.
- return -1;
-
- if (minChars == -1)
- minChars = match.length();
-
- int sSz = s.length();
- if (sSz < minChars)
- return -1;
-
- int mSz = match.length();
- int sIx = 0;
- for (int mIx = 0; mIx < mSz; sIx++, mIx++) {
- while (sIx < sSz && (s.charAt(sIx) == ' ' || s.charAt(sIx) == '_')) // Disregard spaces and _
- sIx++;
-
- if (sIx >= sSz || s.charAt(sIx) != match.charAt(mIx))
- return mIx >= minChars && (acceptTrailing || sIx >= sSz) && (sIx >= sSz || s.charAt(sIx - 1) == ' ') ? sIx : -1;
- }
-// return (sIx >= sSz || acceptTrailing) && (sIx >= sSz || s.charAt(sIx) == ' ') ? sIx : -1;
- return sIx >= sSz || acceptTrailing ||s.charAt(sIx) == ' ' ? sIx : -1;
- }
-
- /** Parses a string and returns it in those parts of the string that are separated with a <code>sep</code> character.
- * <p>
- * separator characters within parentheses will not be counted or handled in any way, whatever the depth.
- * @param s The string to parse. If it starts and/or ends with a <code>sep</code> the first and/or last element returned will be "". If
- * two <code>sep</code> are next to eachother and empty element will be "between" the periods. The <code>sep</code> themselves will never be returned.
- * @param sep The separator char.
- * @return Those parts of the string that are separated with <code>sep</code>. Never null and at least of size 1
- */
- private final static String[] toTrimmedTokens(String s, char sep)
- {
- int toks = 0, sSize = s.length();
-
- // Count the sep:s
- int p = 0;
- for(int i = 0; i < sSize; i++) {
- char c = s.charAt(i);
- if (c == '(') {
- p++;
- } else if (c == ')') {
- p--;
- } else if (p == 0 && c == sep) {
- toks++;
- }
- if (p < 0)
- throw new IllegalArgumentException("Unbalanced parentheses: '" + s + "'");
- }
- if (p != 0)
- throw new IllegalArgumentException("Unbalanced parentheses: '" + s + "'");
-
- if (toks == 0)
- return new String [] {s.trim()};
-
- String[] retArr = new String[toks + 1];
-
- int st = 0, pNr = 0;
- p = 0;
- for (int i = 0; i < sSize; i++) {
-
- char c = s.charAt(i);
- if (c == '(') {
- p++;
- } else if (c == ')') {
- p--;
- } else if (p == 0 && c == sep) {
- retArr[pNr++] = s.substring(st, i).trim();
- st = i + 1;
- }
- }
-
- retArr[pNr++] = s.substring(st, sSize).trim();
- return retArr;
- }
-
- /** Parses "AAA[BBB]CCC[DDD]EEE" into {"AAA", "BBB", "CCC", "DDD", "EEE", "FFF"}. Handles empty parts. Will always start and end outside
- * a [] block so that the number of returned elemets will always be uneven and at least of length 3.
- * <p>
- * "|" is interprated as "][".
- * @param s The string. Might be "" but not null. Should be trimmed.
- * @return The string divided into elements. Never <code>null</code> and at least of length 3.
- * @throws IllegalArgumentException If a [] mismatch of some kind. (If not same [ as ] count or if the interleave.)
- */
- private final static ArrayList<String> getRowColAndGapsTrimmed(String s)
- {
- if (s.indexOf('|') != -1)
- s = s.replaceAll("\\|", "][");
-
- ArrayList<String> retList = new ArrayList<String>(Math.max(s.length() >> 2 + 1, 3)); // Aprox return length.
- int s0 = 0, s1 = 0; // '[' and ']' count.
- int st = 0; // Start of "next token to add".
- for (int i = 0, iSz = s.length(); i < iSz; i++) {
- char c = s.charAt(i);
- if (c == '[') {
- s0++;
- } else if (c == ']') {
- s1++;
- } else {
- continue;
- }
-
- if (s0 != s1 && (s0 - 1) != s1)
- break; // Wrong [ or ] found. Break for throw.
-
- retList.add(s.substring(st, i).trim());
- st = i + 1;
- }
- if (s0 != s1)
- throw new IllegalArgumentException("'[' and ']' mismatch in row/column format string: " + s);
-
- if (s0 == 0) {
- retList.add("");
- retList.add(s);
- retList.add("");
- } else if (retList.size() % 2 == 0) {
- retList.add(s.substring(st, s.length()));
- }
-
- return retList;
- }
-
- /** Makes <code>null</code> "", trimms and converts to lower case.
- * @param s The string
- * @return Not null.
- */
- public static final String prepare(String s)
- {
- return s != null ? s.trim().toLowerCase() : "";
- }
-
-// /** Tests to serialize and deserialize the object with both XMLEncoder/Decoder and through Serializable
-// * @param o The object to serialize
-// * @return The same object after a tri through the process.
-// */
-// public static final Object serializeTest(Object o)
-// {
-// try {
-// ByteArrayOutputStream barr = new ByteArrayOutputStream();
-// XMLEncoder enc = new XMLEncoder(barr);
-// enc.writeObject(o);
-// enc.close();
-//
-// XMLDecoder dec = new XMLDecoder(new ByteArrayInputStream(barr.toByteArray()));
-// o = dec.readObject();
-// dec.close();
-// } catch (Exception e) {
-// e.printStackTrace();
-// }
-//
-// try {
-// ByteArrayOutputStream barr = new ByteArrayOutputStream();
-// ObjectOutputStream oos = new ObjectOutputStream(barr);
-// oos.writeObject(o);
-// oos.close();
-//
-// ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(barr.toByteArray()));
-// o = ois.readObject();
-// ois.close();
-// } catch (Exception e) {
-// e.printStackTrace();
-// }
-//
-// return o;
-// }
-}
+package net.miginfocom.layout; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; +/* + * License (BSD): + * ============== + * + * Copyright (c) 2004, Mikael Grev, MiG InfoCom AB. (miglayout (at) miginfocom (dot) com) + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * Redistributions of source code must retain the above copyright notice, this list + * of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, this + * list of conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * Neither the name of the MiG InfoCom AB nor the names of its contributors may be + * used to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + * @version 1.0 + * @author Mikael Grev, MiG InfoCom AB + * Date: 2006-sep-08 + */ + +/** Parses string constraints. + */ +public final class ConstraintParser +{ + private ConstraintParser() + { + } + + /** Parses the layout constraints and stores the parsed values in the transient (cache) member varables. + * @param s The String to parse. Should not be <code>null</code> and <b>must be lower case and trimmed</b>. + * @throws RuntimeException if the constaint was not valid. + * @return The parsed constraint. Never <code>null</code>. + */ + public static LC parseLayoutConstraint(String s) + { + LC lc = new LC(); + if (s.length() == 0) + return lc; + + String[] parts = toTrimmedTokens(s, ','); + + // First check for "ltr" or "rtl" since that will affect the interpretation of the other constraints. + for (int i = 0; i < parts.length; i++) { + String part = parts[i]; + if (part == null) + continue; + + int len = part.length(); + if (len == 3 || len == 11) { // Optimization + if (part.equals("ltr") || part.equals("rtl") || part.equals("lefttoright") || part.equals("righttoleft")) { + lc.setLeftToRight(part.charAt(0) == 'l' ? Boolean.TRUE : Boolean.FALSE); + parts[i] = null; // So we will not try to interpret it again + } + + if (part.equals("ttb") || part.equals("btt") || part.equals("toptobottom") || part.equals("bottomtotop")) { + lc.setTopToBottom(part.charAt(0) == 't'); + parts[i] = null; // So we will not try to interpret it again + } + } + } + + for (int i = 0; i < parts.length; i++) { + String part = parts[i]; + if (part == null || part.length() == 0) + continue; + + try { + int ix = -1; + char c = part.charAt(0); + + if (c == 'w') { + ix = startsWithLenient(part, "wrap", -1, true); + if (ix > -1) { + String num = part.substring(ix).trim(); + lc.setWrapAfter(num.length() != 0 ? Integer.parseInt(num) : 0); + continue; + } + } + + if (c == 'g') { + if (part.startsWith("gapx ")) { + lc.setGridGapX(parseBoundSize(part.substring(5).trim(), true, true)); + continue; + } + + if (part.startsWith("gapy ")) { + lc.setGridGapY(parseBoundSize(part.substring(5).trim(), true, false)); + continue; + } + + if (part.startsWith("gap ")) { + String[] gaps = toTrimmedTokens(part.substring(4).trim(), ' '); + lc.setGridGapX(parseBoundSize(gaps[0], true, true)); + lc.setGridGapY(gaps.length > 1 ? parseBoundSize(gaps[1], true, false) : lc.getGridGapX()); + continue; + } + } + + if (c == 'd') { + ix = startsWithLenient(part, "debug", 5, true); + if (ix > -1) { + String millis = part.substring(ix).trim(); + lc.setDebugMillis(millis.length() > 0 ? Integer.parseInt(millis) : 1000); + continue; + } + } + + if (c == 'n') { + if (part.equals("nogrid")) { + lc.setNoGrid(true); + continue; + } + + if (part.equals("nocache")) { + lc.setNoCache(true); + continue; + } + + if (part.equals("novisualpadding")) { + lc.setVisualPadding(false); + continue; + } + } + + if (c == 'f') { + if (part.equals("fill") || part.equals("fillx") || part.equals("filly")) { + lc.setFillX(part.length() == 4 || part.charAt(4) == 'x'); + lc.setFillY(part.length() == 4 || part.charAt(4) == 'y'); + continue; + } + + if (part.equals("flowy")) { + lc.setFlowX(false); + continue; + } + + if (part.equals("flowx")) { + lc.setFlowX(true); // This is the default but added for consistency + continue; + } + } + + if (c == 'i') { + ix = startsWithLenient(part, "insets", 3, true); + if (ix > -1) { + String insStr = part.substring(ix).trim(); + UnitValue[] ins = parseInsets(insStr, true); + LayoutUtil.putCCString(ins, insStr); + lc.setInsets(ins); + continue; + } + } + + if (c == 'a') { + ix = startsWithLenient(part, new String[] {"aligny", "ay"}, new int[] {6, 2}, true); + if (ix > -1) { + lc.setAlignY(parseUnitValueOrAlign(part.substring(ix).trim(), false, null)); + continue; + } + + ix = startsWithLenient(part, new String[] {"alignx", "ax"}, new int[] {6, 2}, true); + if (ix > -1) { + lc.setAlignX(parseUnitValueOrAlign(part.substring(ix).trim(), true, null)); + continue; + } + + ix = startsWithLenient(part, "align", 2, true); + if (ix > -1) { + String[] gaps = toTrimmedTokens(part.substring(ix).trim(), ' '); + lc.setAlignX(parseUnitValueOrAlign(gaps[0], true, null)); + lc.setAlignY(gaps.length > 1 ? parseUnitValueOrAlign(gaps[1], false, null) : lc.getAlignX()); + continue; + } + } + + if (c == 'h' && part.startsWith("hidemode ")) { + lc.setHideMode(Integer.parseInt(part.substring(9))); + continue; + } + + if (lc.getAlignX() == null) { + UnitValue alignX = parseAlignKeywords(part, true); + if (alignX != null) { + lc.setAlignX(alignX); + continue; + } + } + + UnitValue alignY = parseAlignKeywords(part, false); + if (alignY != null) { + lc.setAlignY(alignY); + continue; + } + + throw new IllegalArgumentException("Unknown Constraint: '" + part + "'\n"); + + } catch (Exception ex) { + throw new IllegalArgumentException("Illegal Constraint: '" + part + "'\n" + ex.getMessage()); + } + } + +// lc = (LC) serializeTest(lc); + + return lc; + } + + /** Parses the column or rows constraints. They normally looks something like <code>"[min:pref]rel[10px][]"</code>. + * @param s The string to parse. Not <code>null</code>. + * @return An array of {@link DimConstraint}s that is as manu are there exist "[...]" sections in the string that is parsed. + * @throws RuntimeException if the constaint was not valid. + */ + public static AC parseRowConstraints(String s) + { + return parseAxisConstraint(s, false); + } + + /** Parses the column or rows constraints. They normally looks something like <code>"[min:pref]rel[10px][]"</code>. + * @param s The string to parse. Not <code>null</code>. + * @return An array of {@link DimConstraint}s that is as manu are there exist "[...]" sections in the string that is parsed. + * @throws RuntimeException if the constaint was not valid. + */ + public static AC parseColumnConstraints(String s) + { + return parseAxisConstraint(s, true); + } + + /** Parses the column or rows constraints. They normally looks something like <code>"[min:pref]rel[10px][]"</code>. + * @param s The string to parse. Not <code>null</code>. + * @param isCols If this for columns rather than rows. + * @return An array of {@link DimConstraint}s that is as manu are there exist "[...]" sections in the string that is parsed. + * @throws RuntimeException if the constaint was not valid. + */ + private static AC parseAxisConstraint(String s, boolean isCols) + { + s = s.trim(); + + if (s.length() == 0) + return new AC(); // Short circuit for performance. + + s = s.toLowerCase(); + + ArrayList<String> parts = getRowColAndGapsTrimmed(s); + + BoundSize[] gaps = new BoundSize[(parts.size() >> 1) + 1]; + for (int i = 0, iSz = parts.size(), gIx = 0; i < iSz; i += 2, gIx++) + gaps[gIx] = parseBoundSize(parts.get(i), true, isCols); + + DimConstraint[] colSpecs = new DimConstraint[parts.size() >> 1]; + for (int i = 0, gIx = 0; i < colSpecs.length; i++, gIx++) { + if (gIx >= gaps.length - 1) + gIx = gaps.length - 2; + + colSpecs[i] = parseDimConstraint(parts.get((i << 1) + 1), gaps[gIx], gaps[gIx + 1], isCols); + } + + AC ac = new AC(); + ac.setConstaints(colSpecs); + +// ac = (AC) serializeTest(ac); + + return ac; + } + + /** Parses a single column or row constriant. + * @param s The single constrint to parse. May look something like <code>"min:pref,fill,grow"</code>. Should not be <code>null</code> and <b>must + * be lower case and trimmed</b>. + * @param gapBefore The default gap "before" the column/row constraint. Can be overridden with a <code>"gap"</code> section within <code>s</code>. + * @param gapAfter The default gap "after" the column/row constraint. Can be overridden with a <code>"gap"</code> section within <code>s</code>. + * @param isCols If the constraints are column constraints rather than row constraints. + * @return A single constraint. Never <code>null</code>. + * @throws RuntimeException if the constaint was not valid. + */ + private static DimConstraint parseDimConstraint(String s, BoundSize gapBefore, BoundSize gapAfter, boolean isCols) + { + DimConstraint dimConstraint = new DimConstraint(); + + // Default values. + dimConstraint.setGapBefore(gapBefore); + dimConstraint.setGapAfter(gapAfter); + + String[] parts = toTrimmedTokens(s, ','); + for (int i = 0; i < parts.length; i++) { + String part = parts[i]; + try { + if (part.length() == 0) + continue; + + if (part.equals("fill")) { + dimConstraint.setFill(true); + dimConstraint.setAlign(null); // Can not have both fill and alignment + continue; + } + + if (part.equals("nogrid")) { + dimConstraint.setNoGrid(true); + continue; + } + + int ix = -1; + char c = part.charAt(0); + + if (c == 's') { + ix = startsWithLenient(part, new String[] {"sizegroup", "sg"}, new int[] {5, 2}, true); + if (ix > -1) { + dimConstraint.setSizeGroup(part.substring(ix).trim()); + continue; + } + + + ix = startsWithLenient(part, new String[] {"shrinkprio", "shp"}, new int[] {10, 3}, true); + if (ix > -1) { + dimConstraint.setShrinkPriority(Integer.parseInt(part.substring(ix).trim())); + continue; + } + + ix = startsWithLenient(part, "shrink", 6, true); + if (ix > -1) { + dimConstraint.setShrink(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100)); + continue; + } + } + + if (c == 'g') { + ix = startsWithLenient(part, new String[] {"growpriority", "gp"}, new int[] {5, 2}, true); + if (ix > -1) { + dimConstraint.setGrowPriority(Integer.parseInt(part.substring(ix).trim())); + continue; + } + + ix = startsWithLenient(part, "grow", 4, true); + if (ix > -1) { + dimConstraint.setGrow(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100)); + continue; + } + } + + if (c == 'a') { + ix = startsWithLenient(part, "align", 2, true); + if (ix > -1) { + if (dimConstraint.isFill() == false) // Swallow, but ignore if fill is set. + dimConstraint.setAlign(parseUnitValueOrAlign(part.substring(ix).trim(), isCols, null)); + continue; + } + } + + UnitValue align = parseAlignKeywords(part, isCols); + if (align != null) { + if (dimConstraint.isFill() == false) // Swallow, but ignore if fill is set. + dimConstraint.setAlign(align); + continue; + } + + // Only min:pref:max still left that is ok + dimConstraint.setSize(parseBoundSize(part, false, isCols)); + + } catch (Exception ex) { + throw new IllegalArgumentException("Illegal contraint: '" + part + "'\n" + ex.getMessage()); + } + } + return dimConstraint; + } + + /** Parses all component constraints and stores the parsed values in the transient (cache) member varables. + * @param constrMap The constraints as <code>String</code>s. Strings <b>must be lower case and trimmed</b> + * @return The parsed constraints. Never <code>null</code>. + */ + public static Map<ComponentWrapper, CC> parseComponentConstraints(Map<ComponentWrapper, String> constrMap) + { + HashMap<ComponentWrapper, CC> flowConstrMap = new HashMap<ComponentWrapper, CC>(); + + for (Iterator<Map.Entry<ComponentWrapper, String>> it = constrMap.entrySet().iterator(); it.hasNext();) { + Map.Entry<ComponentWrapper, String> entry = it.next(); + flowConstrMap.put(entry.getKey(), parseComponentConstraint(entry.getValue())); + } + + return flowConstrMap; + } + + /** Parses one component constraint and returns the parsed value. + * @param s The string to parse. Should not be <code>null</code> and <b>must be lower case and trimmed</b>. + * @throws RuntimeException if the constaint was not valid. + * @return The parsed constraint. Never <code>null</code>. + */ + public static CC parseComponentConstraint(String s) + { + CC cc = new CC(); + + if (s.length() == 0) + return cc; + + String[] parts = toTrimmedTokens(s, ','); + + for (int i = 0; i < parts.length; i++) { + String part = parts[i]; + try { + if (part.length() == 0) + continue; + + int ix = -1; + char c = part.charAt(0); + + if (c == 'n') { + if (part.equals("north")) { + cc.setDockSide(0); + continue; + } + + if (part.equals("newline")) { + cc.setNewline(true); + continue; + } + + if (part.startsWith("newline ")) { + String gapSz = part.substring(7).trim(); + cc.setNewlineGapSize(parseBoundSize(gapSz, true, true)); + continue; + } + } + + if (c == 'f' && (part.equals("flowy") || part.equals("flowx"))) { + cc.setFlowX(part.charAt(4) == 'x' ? Boolean.TRUE : Boolean.FALSE); + continue; + } + + if (c == 's') { + ix = startsWithLenient(part, "skip", 4, true); + if (ix > -1) { + String num = part.substring(ix).trim(); + cc.setSkip(num.length() != 0 ? Integer.parseInt(num) : 1); + continue; + } + + ix = startsWithLenient(part, "split", 5, true); + if (ix > -1) { + String split = part.substring(ix).trim(); + cc.setSplit(split.length() > 0 ? Integer.parseInt(split) : LayoutUtil.INF); + continue; + } + + if (part.equals("south")) { + cc.setDockSide(2); + continue; + } + + ix = startsWithLenient(part, new String[] {"spany","sy"}, new int[] {5, 2}, true); + if (ix > -1) { + cc.setSpanY(parseSpan(part.substring(ix).trim())); + continue; + } + + ix = startsWithLenient(part, new String[] {"spanx","sx"}, new int[] {5, 2}, true); + if (ix > -1) { + cc.setSpanX(parseSpan(part.substring(ix).trim())); + continue; + } + + ix = startsWithLenient(part, "span", 4, true); + if (ix > -1) { + String[] spans = toTrimmedTokens(part.substring(ix).trim(), ' '); + cc.setSpanX(spans[0].length() > 0 ? Integer.parseInt(spans[0]) : LayoutUtil.INF); + cc.setSpanY(spans.length > 1 ? Integer.parseInt(spans[1]) : 1); + continue; + } + + ix = startsWithLenient(part, "shrinkx", 7, true); + if (ix > -1) { + cc.getHorizontal().setShrink(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100)); + continue; + } + + ix = startsWithLenient(part, "shrinky", 7, true); + if (ix > -1) { + cc.getVertical().setShrink(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100)); + continue; + } + + ix = startsWithLenient(part, "shrink", 6, false); + if (ix > -1) { + String[] shrinks = toTrimmedTokens(part.substring(ix).trim(), ' '); + cc.getHorizontal().setShrink(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100)); + if (shrinks.length > 1) + cc.getVertical().setShrink(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100)); + continue; + } + + ix = startsWithLenient(part, new String[] {"shrinkprio", "shp"}, new int[] {10, 3}, true); + if (ix > -1) { + String sp = part.substring(ix).trim(); + if (sp.startsWith("x") || sp.startsWith("y")) { // To gandle "gpx", "gpy", "shrinkpriorityx", shrinkpriorityy" + (sp.startsWith("x") ? cc.getHorizontal() : cc.getVertical()).setShrinkPriority(Integer.parseInt(sp.substring(2))); + } else { + String[] shrinks = toTrimmedTokens(sp, ' '); + cc.getHorizontal().setShrinkPriority(Integer.parseInt(shrinks[0])); + if (shrinks.length > 1) + cc.getVertical().setShrinkPriority(Integer.parseInt(shrinks[1])); + } + continue; + } + + ix = startsWithLenient(part, new String[] {"sizegroupx", "sizegroupy", "sgx", "sgy"}, new int[] {9, 9, 2, 2}, true); + if (ix > -1) { + String sg = part.substring(ix).trim(); + char lc = part.charAt(ix - 1); + if (lc != 'y') + cc.getHorizontal().setSizeGroup(sg); + if (lc != 'x') + cc.getVertical().setSizeGroup(sg); + continue; + } + } + + if (c == 'g') { + ix = startsWithLenient(part, "growx", 5, true); + if (ix > -1) { + cc.getHorizontal().setGrow(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100)); + continue; + } + + ix = startsWithLenient(part, "growy", 5, true); + if (ix > -1) { + cc.getVertical().setGrow(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100)); + continue; + } + + ix = startsWithLenient(part, "grow", 4, false); + if (ix > -1) { + String[] grows = toTrimmedTokens(part.substring(ix).trim(), ' '); + cc.getHorizontal().setGrow(parseFloat(grows[0], ResizeConstraint.WEIGHT_100)); + cc.getVertical().setGrow(parseFloat(grows.length > 1 ? grows[1] : "", ResizeConstraint.WEIGHT_100)); + continue; + } + + ix = startsWithLenient(part, new String[] {"growprio", "gp"}, new int[] {8, 2}, true); + if (ix > -1) { + String gp = part.substring(ix).trim(); + char c0 = gp.length() > 0 ? gp.charAt(0) : ' '; + if (c0 == 'x' || c0 == 'y') { // To gandle "gpx", "gpy", "growpriorityx", growpriorityy" + (c0 == 'x' ? cc.getHorizontal() : cc.getVertical()).setGrowPriority(Integer.parseInt(gp.substring(2))); + } else { + String[] grows = toTrimmedTokens(gp, ' '); + cc.getHorizontal().setGrowPriority(Integer.parseInt(grows[0])); + if (grows.length > 1) + cc.getVertical().setGrowPriority(Integer.parseInt(grows[1])); + } + continue; + } + + if (part.startsWith("gap")) { + BoundSize[] gaps = parseGaps(part); + if (gaps[0] != null) + cc.getVertical().setGapBefore(gaps[0]); + if (gaps[1] != null) + cc.getHorizontal().setGapBefore(gaps[1]); + if (gaps[2] != null) + cc.getVertical().setGapAfter(gaps[2]); + if (gaps[3] != null) + cc.getHorizontal().setGapAfter(gaps[3]); + continue; + } + } + + if (c == 'a') { + ix = startsWithLenient(part, new String[] {"aligny", "ay"}, new int[] {6, 2}, true); + if (ix > -1) { + cc.getVertical().setAlign(parseUnitValueOrAlign(part.substring(ix).trim(), false, null)); + continue; + } + + ix = startsWithLenient(part, new String[] {"alignx", "ax"}, new int[] {6, 2}, true); + if (ix > -1) { + cc.getHorizontal().setAlign(parseUnitValueOrAlign(part.substring(ix).trim(), true, null)); + continue; + } + + ix = startsWithLenient(part, "align", 2, true); + if (ix > -1) { + String[] gaps = toTrimmedTokens(part.substring(ix).trim(), ' '); + cc.getHorizontal().setAlign(parseUnitValueOrAlign(gaps[0], true, null)); + if (gaps.length > 1) + cc.getVertical().setAlign(parseUnitValueOrAlign(gaps[1], false, null)); + continue; + } + } + + if ((c == 'x' || c == 'y') && part.length() > 2) { + char c2 = part.charAt(1); + if (c2 == ' ' || (c2 == '2' && part.charAt(2) == ' ')) { + if (cc.getPos() == null) { + cc.setPos(new UnitValue[4]); + } else if (cc.isBoundsInGrid() == false) { + throw new IllegalArgumentException("Can not combine 'position' with 'x/y/x2/y2' keywords."); + } + + int edge = (c == 'x' ? 0 : 1) + (c2 == '2' ? 2 : 0); + UnitValue[] pos = cc.getPos(); + pos[edge] = parseUnitValue(part.substring(2).trim(), null, c == 'x'); + cc.setPos(pos); + cc.setBoundsInGrid(true); + continue; + } + } + + if (c == 'c') { + ix = startsWithLenient(part, "cell", 4, true); + if (ix > -1) { + String[] grs = toTrimmedTokens(part.substring(ix).trim(), ' '); + if (grs.length < 2) + throw new IllegalArgumentException("At least two integers must follow " + part); + cc.setCellX(Integer.parseInt(grs[0])); + cc.setCellY(Integer.parseInt(grs[1])); + if (grs.length > 2) + cc.setSpanX(Integer.parseInt(grs[2])); + if (grs.length > 3) + cc.setSpanY(Integer.parseInt(grs[3])); + continue; + } + } + + if (c == 'p') { + ix = startsWithLenient(part, "pos", 3, true); + if (ix > -1) { + if (cc.getPos() != null && cc.isBoundsInGrid()) + throw new IllegalArgumentException("Can not combine 'pos' with 'x/y/x2/y2' keywords."); + + String[] pos = toTrimmedTokens(part.substring(ix).trim(), ' '); + UnitValue[] bounds = new UnitValue[4]; + for (int j = 0; j < pos.length; j++) + bounds[j] = parseUnitValue(pos[j], null, j % 2 == 0); + + if (bounds[0] == null && bounds[2] == null || bounds[1] == null && bounds[3] == null) + throw new IllegalArgumentException("Both x and x2 or y and y2 can not be null!"); + + cc.setPos(bounds); + cc.setBoundsInGrid(false); + continue; + } + + ix = startsWithLenient(part, "pad", 3, true); + if (ix > -1) { + UnitValue[] p = parseInsets(part.substring(ix).trim(), false); + cc.setPadding(new UnitValue[] { + p[0], + p.length > 1 ? p[1] : null, + p.length > 2 ? p[2] : null, + p.length > 3 ? p[3] : null}); + continue; + } + + ix = startsWithLenient(part, "pushx", 5, true); + if (ix > -1) { + cc.setPushX(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100)); + continue; + } + + ix = startsWithLenient(part, "pushy", 5, true); + if (ix > -1) { + cc.setPushY(parseFloat(part.substring(ix).trim(), ResizeConstraint.WEIGHT_100)); + continue; + } + + ix = startsWithLenient(part, "push", 4, false); + if (ix > -1) { + String[] pushs = toTrimmedTokens(part.substring(ix).trim(), ' '); + cc.setPushX(parseFloat(pushs[0], ResizeConstraint.WEIGHT_100)); + cc.setPushY(parseFloat(pushs.length > 1 ? pushs[1] : "", ResizeConstraint.WEIGHT_100)); + continue; + } + } + + if (c == 't') { + ix = startsWithLenient(part, "tag", 3, true); + if (ix > -1) { + cc.setTag(part.substring(ix).trim()); + continue; + } + } + + if (c == 'w' || c == 'h') { + if (part.equals("wrap")) { + cc.setWrap(true); + continue; + } + + if (part.startsWith("wrap ")) { + String gapSz = part.substring(5).trim(); + cc.setWrapGapSize(parseBoundSize(gapSz, true, true)); + continue; + } + + boolean isHor = c == 'w'; + if (isHor && (part.startsWith("w ") || part.startsWith("width "))) { + String uvStr = part.substring(part.charAt(1) == ' ' ? 2 : 6).trim(); + BoundSize wbs = parseBoundSize(uvStr, false, true); + LayoutUtil.putCCString(wbs, uvStr); + cc.getHorizontal().setSize(wbs); + continue; + } + + if (!isHor && (part.startsWith("h ") || part.startsWith("height "))) { + String uvStr = part.substring(part.charAt(1) == ' ' ? 2 : 7).trim(); + BoundSize hbs = parseBoundSize(uvStr, false, false); + LayoutUtil.putCCString(hbs, uvStr); + cc.getVertical().setSize(hbs); + continue; + } + + if (part.startsWith("wmin ") || part.startsWith("wmax ") || part.startsWith("hmin ") || part.startsWith("hmax ")) { + String uvStr = part.substring(5).trim(); + if (uvStr.length() > 0) { + UnitValue uv = parseUnitValue(uvStr, null, isHor); + boolean isMin = part.charAt(3) == 'n'; + DimConstraint dc = isHor ? cc.getHorizontal() : cc.getVertical(); + dc.setSize(new BoundSize( + isMin ? uv : (dc.getSize() != null ? dc.getSize().getMin() : null), + dc.getSize() != null ? dc.getSize().getPreferred() : null, + isMin ? (dc.getSize() != null ? dc.getSize().getMax() : null) : uv, + uvStr + )); + continue; + } + } + + if (part.equals("west")) { + cc.setDockSide(1); +// cc.getVertical().setGrow(ResizeConstraint.WEIGHT_100); + continue; + } + + if (part.startsWith("hidemode ")) { + cc.setHideMode(Integer.parseInt(part.substring(9))); + continue; + } + } + + if (c == 'i' && part.startsWith("id ")) { + cc.setId(part.substring(3).trim()); + int dIx = cc.getId().indexOf('.'); + if (dIx == 0 || dIx == cc.getId().length() - 1) + throw new IllegalArgumentException("Dot must not be first or last!"); + + continue; + } + + if (c == 'e') { + if (part.equals("east")) { + cc.setDockSide(3); +// cc.getVertical().setGrow(ResizeConstraint.WEIGHT_100); + continue; + } + + if (part.equals("external")) { + cc.setExternal(true); + continue; + } + + ix = startsWithLenient(part, new String[] {"endgroupx", "endgroupy", "egx", "egy"}, new int[] {-1, -1, -1, -1}, true); + if (ix > -1) { + String sg = part.substring(ix).trim(); + char lc = part.charAt(ix - 1); + DimConstraint dc = (lc == 'x' ? cc.getHorizontal() : cc.getVertical()); + dc.setEndGroup(sg); + continue; + } + } + + if (c == 'd') { + if (part.equals("dock north")) { + cc.setDockSide(0); + continue; + } + if (part.equals("dock west")) { + cc.setDockSide(1); + continue; + } + if (part.equals("dock south")) { + cc.setDockSide(2); + continue; + } + if (part.equals("dock east")) { + cc.setDockSide(3); + continue; + } + + if (part.equals("dock center")) { + cc.getHorizontal().setGrow(new Float(100f)); + cc.getVertical().setGrow(new Float(100f)); + continue; + } + } + + UnitValue horAlign = parseAlignKeywords(part, true); + if (horAlign != null) { + cc.getHorizontal().setAlign(horAlign); + continue; + } + + UnitValue verAlign = parseAlignKeywords(part, false); + if (verAlign != null) { + cc.getVertical().setAlign(verAlign); + continue; + } + + throw new IllegalArgumentException("Unknown keyword."); + + } catch (Exception ex) { + throw new IllegalArgumentException("Illegal Constraint: '" + part + "'\n" + ex.getMessage()); + } + } + +// cc = (CC) serializeTest(cc); + + return cc; + } + + /** Parses insets which consists of 1-4 <code>UnitValue</code>s. + * @param s The string to parse. E.g. "10 10 10 10" or "20". If less than 4 groups the last will be used for the missing. + * @param acceptPanel If "panel" and "dialog" should be accepted. They are used to access platform defaults. + * @return An array of length 4 with the parsed insets. + * @throws IllegalArgumentException if the parsing could not be done. + */ + public static UnitValue[] parseInsets(String s, boolean acceptPanel) + { + if (s.length() == 0 || s.equals("dialog") || s.equals("panel")) { + if (acceptPanel == false) + throw new IllegalAccessError("Insets now allowed: " + s + "\n"); + + boolean isPanel = s.startsWith("p"); + UnitValue[] ins = new UnitValue[4]; + for (int j = 0; j < 4; j++) + ins[j] = isPanel ? PlatformDefaults.getPanelInsets(j) : PlatformDefaults.getDialogInsets(j); + + return ins; + } else { + String[] insS = toTrimmedTokens(s, ' '); + UnitValue[] ins = new UnitValue[4]; + for (int j = 0; j < 4; j++) { + UnitValue insSz = parseUnitValue(insS[j < insS.length ? j : insS.length - 1], UnitValue.ZERO, j % 2 == 1); + ins[j] = insSz != null ? insSz : PlatformDefaults.getPanelInsets(j); + } + return ins; + } + } + + /** Parses gaps. + * @param s The string that contains gap information. Should start with "gap". + * @return The gaps as specified in <code>s</code>. Indexed: <code>[top,left,bottom,right][min,pref,max]</code> or + * [before,after][min,pref,max] if <code>oneDim</code> is true. + */ + private static BoundSize[] parseGaps(String s) + { + BoundSize[] ret = new BoundSize[4]; + + int ix = startsWithLenient(s, "gaptop", -1, true); + if (ix > -1) { + s = s.substring(ix).trim(); + ret[0] = parseBoundSize(s, true, false); + return ret; + } + + ix = startsWithLenient(s, "gapleft", -1, true); + if (ix > -1) { + s = s.substring(ix).trim(); + ret[1] = parseBoundSize(s, true, true); + return ret; + } + + ix = startsWithLenient(s, "gapbottom", -1, true); + if (ix > -1) { + s = s.substring(ix).trim(); + ret[2] = parseBoundSize(s, true, false); + return ret; + } + + ix = startsWithLenient(s, "gapright", -1, true); + if (ix > -1) { + s = s.substring(ix).trim(); + ret[3] = parseBoundSize(s, true, true); + return ret; + } + + ix = startsWithLenient(s, "gapbefore", -1, true); + if (ix > -1) { + s = s.substring(ix).trim(); + ret[1] = parseBoundSize(s, true, true); + return ret; + } + + ix = startsWithLenient(s, "gapafter", -1, true); + if (ix > -1) { + s = s.substring(ix).trim(); + ret[3] = parseBoundSize(s, true, true); + return ret; + } + + ix = startsWithLenient(s, new String[] {"gapx", "gapy"}, null, true); + if (ix > -1) { + boolean x = s.charAt(3) == 'x'; + String[] gaps = toTrimmedTokens(s.substring(ix).trim(), ' '); + ret[x ? 1 : 0] = parseBoundSize(gaps[0], true, x); + if (gaps.length > 1) + ret[x ? 3 : 2] = parseBoundSize(gaps[1], true, !x); + return ret; + } + + ix = startsWithLenient(s, "gap ", 1, true); + if (ix > -1) { + String[] gaps = toTrimmedTokens(s.substring(ix).trim(), ' '); + + ret[1] = parseBoundSize(gaps[0], true, true); // left + if (gaps.length > 1) { + ret[3] = parseBoundSize(gaps[1], true, false); // right + if (gaps.length > 2) { + ret[0] = parseBoundSize(gaps[2], true, true); // top + if (gaps.length > 3) + ret[2] = parseBoundSize(gaps[3], true, false); // bottom + } + } + return ret; + } + + throw new IllegalArgumentException("Unknown Gap part: '" + s + "'"); + } + + private static int parseSpan(String s) + { + return s.length() > 0 ? Integer.parseInt(s) : LayoutUtil.INF; + } + + private static Float parseFloat(String s, Float nullVal) + { + return s.length() > 0 ? new Float(Float.parseFloat(s)) : nullVal; + } + + /** Parses a singele "min:pref:max" value. May look something like <code>"10px:20lp:30%"</code> or <code>"pref!"</code>. + * @param s The string to parse. Not <code>null</code>. + * @param isGap If this bound size is a gap (different empty string handling). + * @param isHor If the size is for the horizontal dimension. + * @return A bound size that may be <code>null</code> if the string was "null", "n" or <code>null</code>. + */ + public static BoundSize parseBoundSize(String s, boolean isGap, boolean isHor) + { + if (s.length() == 0 || s.equals("null") || s.equals("n")) + return null; + + boolean push = false; + if (s.endsWith("push")) { + if (isGap == false) + throw new IllegalArgumentException("Only gaps can have 'push' in size. Use as separate keyword for components."); + push = true; + int l = s.length(); + s = s.substring(0, l - (s.endsWith(":push") ? 5 : 4)); + if (s.length() == 0) + return new BoundSize(null, null, null, true, s); + } + + String[] sizes = toTrimmedTokens(s, ':'); + String s0 = sizes[0]; + + if (sizes.length == 1) { + boolean hasEM = s0.endsWith("!"); + if (hasEM) + s0 = s0.substring(0, s0.length() - 1); + UnitValue uv = parseUnitValue(s0, null, isHor); + return new BoundSize(((isGap || hasEM) ? uv : null), uv, (hasEM ? uv : null), push, s); + + } else if (sizes.length == 2) { + return new BoundSize(parseUnitValue(s0, null, isHor), parseUnitValue(sizes[1], null, isHor), null, push, s); + } else if (sizes.length == 3) { + return new BoundSize(parseUnitValue(s0, null, isHor), parseUnitValue(sizes[1], null, isHor), parseUnitValue(sizes[2], null, isHor), push, s); + } else { + throw new IllegalArgumentException("Min:Preferred:Max size section must contain 0, 1 or 2 colons. '" + s + "'"); + } + } + + /** Parses a single unit value that may also be an alignment as parsed by {@link #parseAlignKeywords(String, boolean)}. + * @param s The string to parse. Not <code>null</code>. May look something like <code>"10px"</code> or <code>"5dlu"</code>. + * @param isHor If the value is for the horizontal dimension. + * @param emptyReplacement A replacement if <code>s</code> is empty. May be <code>null</code>. + * @return The parsed unit value. May be <code>null</code>. + */ + public static UnitValue parseUnitValueOrAlign(String s, boolean isHor, UnitValue emptyReplacement) + { + if (s.length() == 0) + return emptyReplacement; + + UnitValue align = parseAlignKeywords(s, isHor); + if (align != null) + return align; + + return parseUnitValue(s, emptyReplacement, isHor); + } + + /** Parses a single unit value. E.g. "10px" or "5in" + * @param s The string to parse. Not <code>null</code>. May look something like <code>"10px"</code> or <code>"5dlu"</code>. + * @param isHor If the value is for the horizontal dimension. + * @return The parsed unit value. <code>null</code> is empty string, + */ + public static UnitValue parseUnitValue(String s, boolean isHor) + { + return parseUnitValue(s, null, isHor); + } + + /** Parses a single unit value. + * @param s The string to parse. May be <code>null</code>. May look something like <code>"10px"</code> or <code>"5dlu"</code>. + * @param emptyReplacement A replacement <code>s</code> is empty or <code>null</code>. May be <code>null</code>. + * @param isHor If the value is for the horizontal dimension. + * @return The parsed unit value. May be <code>null</code>. + */ + private static UnitValue parseUnitValue(String s, UnitValue emptyReplacement, boolean isHor) + { + if (s == null || s.length() == 0) + return emptyReplacement; + + String cs = s; // Save creation string. + char c0 = s.charAt(0); + + // Remove start and end parentheses, if there. + if (c0 == '(' && s.charAt(s.length() - 1) == ')') + s = s.substring(1, s.length() - 1); + + if (c0 == 'n' && (s.equals("null") || s.equals("n"))) + return null; + + if (c0 == 'i' && s.equals("inf")) + return UnitValue.INF; + + int oper = getOper(s); + boolean inline = oper == UnitValue.ADD || oper == UnitValue.SUB || oper == UnitValue.MUL || oper == UnitValue.DIV; + + if (oper != UnitValue.STATIC) { // It is a multi-value + + String[] uvs; + if (inline == false) { // If the format is of type "opr(xxx,yyy)" (compared to in-line "10%+15px") + String sub = s.substring(4, s.length() - 1).trim(); + uvs = toTrimmedTokens(sub, ','); + if (uvs.length == 1) + return parseUnitValue(sub, null, isHor); + } else { + char delim; + if (oper == UnitValue.ADD) { + delim = '+'; + } else if (oper == UnitValue.SUB) { + delim = '-'; + } else if (oper == UnitValue.MUL) { + delim = '*'; + } else { // div left + delim = '/'; + } + uvs = toTrimmedTokens(s, delim); + if (uvs.length > 2) { // More than one +-*/. + String last = uvs[uvs.length - 1]; + String first = s.substring(0, s.length() - last.length() - 1); + uvs = new String[] {first, last}; + } + } + + if (uvs.length != 2) + throw new IllegalArgumentException("Malformed UnitValue: '" + s + "'"); + + UnitValue sub1 = parseUnitValue(uvs[0], null, isHor); + UnitValue sub2 = parseUnitValue(uvs[1], null, isHor); + + if (sub1 == null || sub2 == null) + throw new IllegalArgumentException("Malformed UnitValue. Must be two sub-values: '" + s + "'"); + + return new UnitValue(isHor, oper, sub1, sub2, cs); + } else { + try { + String[] numParts = getNumTextParts(s); + float value = numParts[0].length() > 0 ? Float.parseFloat(numParts[0]) : 1; // e.g. "related" has no number part.. + + return new UnitValue(value, numParts[1], isHor, oper, cs); + + } catch(Exception e) { + throw new IllegalArgumentException("Malformed UnitValue: '" + s + "'"); + } + } + } + + /** Parses alignment keywords and returns the approprieate <code>UnitValue</code>. + * @param s The string to parse. Not <code>null</code>. + * @param isHor If alignments for horizontal is checked. <code>false</code> means vertical. + * @return The unit value or <code>null</code> if not recognized (no exception). + */ + static UnitValue parseAlignKeywords(String s, boolean isHor) + { + if (startsWithLenient(s, "center", 1, false) != -1) + return UnitValue.CENTER; + + if (isHor) { + if (startsWithLenient(s, "left", 1, false) != -1) + return UnitValue.LEFT; + + if (startsWithLenient(s, "right", 1, false) != -1) + return UnitValue.RIGHT; + + if (startsWithLenient(s, "leading", 4, false) != -1) + return UnitValue.LEADING; + + if (startsWithLenient(s, "trailing", 5, false) != -1) + return UnitValue.TRAILING; + + if (startsWithLenient(s, "label", 5, false) != -1) + return UnitValue.LABEL; + + } else { + + if (startsWithLenient(s, "baseline", 4, false) != -1) + return UnitValue.BASELINE_IDENTITY; + + if (startsWithLenient(s, "top", 1, false) != -1) + return UnitValue.TOP; + + if (startsWithLenient(s, "bottom", 1, false) != -1) + return UnitValue.BOTTOM; + } + + return null; + } + + /** Splits a text-number combination such as "hello 10.0" into <code>{"hello", "10.0"}</code>. + * @param s The string to split. Not <code>null</code>. Needs be be resonably formatted since the method + * only finds the first 0-9 or . and cuts the string in half there. + * @return Always length 2 and no <code>null</code> elements. Elements are "" if no part found. + */ + private static String[] getNumTextParts(String s) + { + for (int i = 0, iSz = s.length(); i < iSz; i++) { + char c = s.charAt(i); + if (c == ' ') + throw new IllegalArgumentException("Space in UnitValue: '" + s + "'"); + + if ((c < '0' || c > '9') && c != '.' && c != '-') + return new String[] {s.substring(0, i).trim(), s.substring(i).trim()}; + } + return new String[] {s, ""}; + } + + /** Returns the operation depending on the start character. + * @param s The string to check. Not <code>null</code>. + * @return E.g. UnitValue.ADD, UnitValue.SUB or UnitValue.STATIC. Returns negative value for in-line operations. + */ + private static int getOper(String s) + { + int len = s.length(); + if (len < 3) + return UnitValue.STATIC; + + if (len > 5 && s.charAt(3) == '(' && s.charAt(len - 1) == ')') { + if (s.startsWith("min(")) + return UnitValue.MIN; + + if (s.startsWith("max(")) + return UnitValue.MAX; + + if (s.startsWith("mid(")) + return UnitValue.MID; + } + + // Try in-line add/sub. E.g. "pref+10px". + for (int j = 0; j < 2; j++) { // First +- then */ (precedence) + for (int i = len - 1, p = 0; i > 0; i--) { + char c = s.charAt(i); + if (c == ')') { + p++; + } else if (c == '(') { + p--; + } else if (p == 0) { + if (j == 0) { + if (c == '+') + return UnitValue.ADD; + if (c == '-') + return UnitValue.SUB; + } else { + if (c == '*') + return UnitValue.MUL; + if (c == '/') + return UnitValue.DIV; + } + } + } + } + return UnitValue.STATIC; + } + + /** Returns if a string shares at least a specified numbers starting characters with a number of matches. + * <p> + * This method just excercises {@link #startsWithLenient(String, String, int, boolean)} with every one of + * <code>matches</code> and <code>minChars</code>. + * @param s The string to check. Not <code>null</code>. + * @param matches A number of possible starts for <code>s</code>. + * @param minChars The mimimum number of characters to match for every element in <code>matches</code>. Needs + * to be of same length as <code>matches</code>. Can be <code>null</code>. + * @param acceptTrailing If after the required number of charecters are matched onrecognized characters that are not + * in one of the the <code>matches</code> string should be accepted. For instance if "abczz" should be matched with + * "abcdef" and min chars 3. + * @return The index of the first unmatched character if <code>minChars</code> was reached or <code>-1</code> if a match was not + * found. + */ + private static int startsWithLenient(String s, String[] matches, int[] minChars, boolean acceptTrailing) + { + for (int i = 0; i < matches.length; i++) { + int minChar = minChars != null ? minChars[i] : -1; + int ix = startsWithLenient(s, matches[i], minChar, acceptTrailing); + if (ix > -1) + return ix; + } + return -1; + } + + /** Returns if a string shares at least a specified numbers starting characters with a match. + * @param s The string to check. Not <code>null</code> and must be trimmed. + * @param match The possible start for <code>s</code>. Not <code>null</code> and must be trimmed. + * @param minChars The mimimum number of characters to match to <code>s</code> for it this to be considered a match. -1 means + * the full length of <code>match</code>. + * @param acceptTrailing If after the required number of charecters are matched unrecognized characters that are not + * in one of the the <code>matches</code> string should be accepted. For instance if "abczz" should be matched with + * "abcdef" and min chars 3. + * @return The index of the first unmatched character if <code>minChars</code> was reached or <code>-1</code> if a match was not + * found. + */ + private static int startsWithLenient(String s, String match, int minChars, boolean acceptTrailing) + { + if (s.charAt(0) != match.charAt(0)) // Fast sanity check. + return -1; + + if (minChars == -1) + minChars = match.length(); + + int sSz = s.length(); + if (sSz < minChars) + return -1; + + int mSz = match.length(); + int sIx = 0; + for (int mIx = 0; mIx < mSz; sIx++, mIx++) { + while (sIx < sSz && (s.charAt(sIx) == ' ' || s.charAt(sIx) == '_')) // Disregard spaces and _ + sIx++; + + if (sIx >= sSz || s.charAt(sIx) != match.charAt(mIx)) + return mIx >= minChars && (acceptTrailing || sIx >= sSz) && (sIx >= sSz || s.charAt(sIx - 1) == ' ') ? sIx : -1; + } +// return (sIx >= sSz || acceptTrailing) && (sIx >= sSz || s.charAt(sIx) == ' ') ? sIx : -1; + return sIx >= sSz || acceptTrailing ||s.charAt(sIx) == ' ' ? sIx : -1; + } + + /** Parses a string and returns it in those parts of the string that are separated with a <code>sep</code> character. + * <p> + * separator characters within parentheses will not be counted or handled in any way, whatever the depth. + * @param s The string to parse. If it starts and/or ends with a <code>sep</code> the first and/or last element returned will be "". If + * two <code>sep</code> are next to eachother and empty element will be "between" the periods. The <code>sep</code> themselves will never be returned. + * @param sep The separator char. + * @return Those parts of the string that are separated with <code>sep</code>. Never null and at least of size 1 + */ + private final static String[] toTrimmedTokens(String s, char sep) + { + int toks = 0, sSize = s.length(); + + // Count the sep:s + int p = 0; + for(int i = 0; i < sSize; i++) { + char c = s.charAt(i); + if (c == '(') { + p++; + } else if (c == ')') { + p--; + } else if (p == 0 && c == sep) { + toks++; + } + if (p < 0) + throw new IllegalArgumentException("Unbalanced parentheses: '" + s + "'"); + } + if (p != 0) + throw new IllegalArgumentException("Unbalanced parentheses: '" + s + "'"); + + if (toks == 0) + return new String [] {s.trim()}; + + String[] retArr = new String[toks + 1]; + + int st = 0, pNr = 0; + p = 0; + for (int i = 0; i < sSize; i++) { + + char c = s.charAt(i); + if (c == '(') { + p++; + } else if (c == ')') { + p--; + } else if (p == 0 && c == sep) { + retArr[pNr++] = s.substring(st, i).trim(); + st = i + 1; + } + } + + retArr[pNr++] = s.substring(st, sSize).trim(); + return retArr; + } + + /** Parses "AAA[BBB]CCC[DDD]EEE" into {"AAA", "BBB", "CCC", "DDD", "EEE", "FFF"}. Handles empty parts. Will always start and end outside + * a [] block so that the number of returned elemets will always be uneven and at least of length 3. + * <p> + * "|" is interprated as "][". + * @param s The string. Might be "" but not null. Should be trimmed. + * @return The string divided into elements. Never <code>null</code> and at least of length 3. + * @throws IllegalArgumentException If a [] mismatch of some kind. (If not same [ as ] count or if the interleave.) + */ + private final static ArrayList<String> getRowColAndGapsTrimmed(String s) + { + if (s.indexOf('|') != -1) + s = s.replaceAll("\\|", "]["); + + ArrayList<String> retList = new ArrayList<String>(Math.max(s.length() >> 2 + 1, 3)); // Aprox return length. + int s0 = 0, s1 = 0; // '[' and ']' count. + int st = 0; // Start of "next token to add". + for (int i = 0, iSz = s.length(); i < iSz; i++) { + char c = s.charAt(i); + if (c == '[') { + s0++; + } else if (c == ']') { + s1++; + } else { + continue; + } + + if (s0 != s1 && (s0 - 1) != s1) + break; // Wrong [ or ] found. Break for throw. + + retList.add(s.substring(st, i).trim()); + st = i + 1; + } + if (s0 != s1) + throw new IllegalArgumentException("'[' and ']' mismatch in row/column format string: " + s); + + if (s0 == 0) { + retList.add(""); + retList.add(s); + retList.add(""); + } else if (retList.size() % 2 == 0) { + retList.add(s.substring(st, s.length())); + } + + return retList; + } + + /** Makes <code>null</code> "", trimms and converts to lower case. + * @param s The string + * @return Not null. + */ + public static final String prepare(String s) + { + return s != null ? s.trim().toLowerCase() : ""; + } + +// /** Tests to serialize and deserialize the object with both XMLEncoder/Decoder and through Serializable +// * @param o The object to serialize +// * @return The same object after a tri through the process. +// */ +// public static final Object serializeTest(Object o) +// { +// try { +// ByteArrayOutputStream barr = new ByteArrayOutputStream(); +// XMLEncoder enc = new XMLEncoder(barr); +// enc.writeObject(o); +// enc.close(); +// +// XMLDecoder dec = new XMLDecoder(new ByteArrayInputStream(barr.toByteArray())); +// o = dec.readObject(); +// dec.close(); +// } catch (Exception e) { +// e.printStackTrace(); +// } +// +// try { +// ByteArrayOutputStream barr = new ByteArrayOutputStream(); +// ObjectOutputStream oos = new ObjectOutputStream(barr); +// oos.writeObject(o); +// oos.close(); +// +// ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(barr.toByteArray())); +// o = ois.readObject(); +// ois.close(); +// } catch (Exception e) { +// e.printStackTrace(); +// } +// +// return o; +// } +} |