--- /dev/null
+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 variables.
+ * @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 constraint was not valid.
+ * @return The parsed constraint. Never <code>null</code>.
+ */
+ public static LC parseLayoutConstraint(String s)
+ {
+ LC lc = new LC();
+ if (s.isEmpty())
+ 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 (String part : parts) {
+ if (part == null || part.length() == 0)
+ continue;
+
+ try {
+ int ix = -1;
+ char c = part.charAt(0);
+
+ if (c == 'w' || c == 'h') {
+
+ 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;
+ }
+
+ boolean isHor = c == 'w';
+ if (isHor && (part.startsWith("w ") || part.startsWith("width "))) {
+ String sz = part.substring(part.charAt(1) == ' ' ? 2 : 6).trim();
+ lc.setWidth(parseBoundSize(sz, false, true));
+ continue;
+ }
+
+ if (!isHor && (part.startsWith("h ") || part.startsWith("height "))) {
+ String uvStr = part.substring(part.charAt(1) == ' ' ? 2 : 7).trim();
+ lc.setHeight(parseBoundSize(uvStr, false, false));
+ continue;
+ }
+
+ if (part.length() > 5) {
+ String sz = part.substring(5).trim();
+ if (part.startsWith("wmin ")) {
+ lc.minWidth(sz);
+ continue;
+ } else if (part.startsWith("wmax ")) {
+ lc.maxWidth(sz);
+ continue;
+ } else if (part.startsWith("hmin ")) {
+ lc.minHeight(sz);
+ continue;
+ } else if (part.startsWith("hmax ")) {
+ lc.maxHeight(sz);
+ continue;
+ }
+ }
+
+ if (part.startsWith("hidemode ")) {
+ lc.setHideMode(Integer.parseInt(part.substring(9)));
+ 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) {
+ UnitValue align = parseUnitValueOrAlign(part.substring(ix).trim(), false, null);
+ if (align == UnitValue.BASELINE_IDENTITY)
+ throw new IllegalArgumentException("'baseline' can not be used to align the whole component group.");
+ lc.setAlignY(align);
+ 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));
+ if (gaps.length > 1) {
+ UnitValue align = parseUnitValueOrAlign(gaps[1], false, null);
+ if (align == UnitValue.BASELINE_IDENTITY)
+ throw new IllegalArgumentException("'baseline' can not be used to align the whole component group.");
+ lc.setAlignY(align);
+ }
+ continue;
+ }
+ }
+
+ if (c == 'p') {
+ if (part.startsWith("packalign ")) {
+ String[] packs = toTrimmedTokens(part.substring(10).trim(), ' ');
+ lc.setPackWidthAlign(packs[0].length() > 0 ? Float.parseFloat(packs[0]) : 0.5f);
+ if (packs.length > 1)
+ lc.setPackHeightAlign(Float.parseFloat(packs[1]));
+ continue;
+ }
+
+ if (part.startsWith("pack ") || part.equals("pack")) {
+ String ps = part.substring(4).trim();
+ String[] packs = toTrimmedTokens(ps.length() > 0 ? ps : "pref pref", ' ');
+ lc.setPackWidth(parseBoundSize(packs[0], false, true));
+ if (packs.length > 1)
+ lc.setPackHeight(parseBoundSize(packs[1], false, false));
+
+ 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 many are there exist "[...]" sections in the string that is parsed.
+ * @throws RuntimeException if the constraint 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 many are there exist "[...]" sections in the string that is parsed.
+ * @throws RuntimeException if the constraint 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 many are there exist "[...]" sections in the string that is parsed.
+ * @throws RuntimeException if the constraint 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 constraint.
+ * @param s The single constraint 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 constraint 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 (changed for 3.5 since it can have "growy 0")
+ 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. (changed for 3.5 since it can have "growy 0")
+ 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. (changed for 3.5 since it can have "growy 0")
+ 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 constraint: '" + part + "'\n" + ex.getMessage());
+ }
+ }
+ return dimConstraint;
+ }
+
+ /** Parses all component constraints and stores the parsed values in the transient (cache) member variables.
+ * @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. <b>Must be lower case and trimmed</b>.
+ * @throws RuntimeException if the constraint was not valid.
+ * @return The parsed constraint. Never <code>null</code>.
+ */
+ public static CC parseComponentConstraint(String s)
+ {
+ CC cc = new CC();
+
+ if (s == null || s.isEmpty())
+ return cc;
+
+ String[] parts = toTrimmedTokens(s, ',');
+
+ for (String part : parts) {
+ 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(shrinks[0], ResizeConstraint.WEIGHT_100));
+ if (shrinks.length > 1)
+ cc.getVertical().setShrink(parseFloat(shrinks[1], 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 handle "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 handle "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); // Changes order!!
+ 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("Cannot 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();
+ cc.getHorizontal().setSize(parseBoundSize(uvStr, false, true));
+ continue;
+ }
+
+ if (!isHor && (part.startsWith("h ") || part.startsWith("height "))) {
+ String uvStr = part.substring(part.charAt(1) == ' ' ? 2 : 7).trim();
+ cc.getVertical().setSize(parseBoundSize(uvStr, false, false));
+ 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().getMin(),
+ dc.getSize().getPreferred(),
+ isMin ? (dc.getSize().getMax()) : uv,
+ uvStr
+ ));
+ continue;
+ }
+ }
+
+ if (part.equals("west")) {
+ cc.setDockSide(1);
+ 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);
+ 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(100f);
+ cc.getVertical().setGrow(100f);
+ cc.setPushX(100f);
+ cc.setPushY(100f);
+ continue;
+ }
+ }
+
+ if (c == 'v') {
+ ix = startsWithLenient(part, new String[] {"visualpadding", "vp"}, new int[] {3, 2}, true);
+ if (ix > -1) {
+ UnitValue[] p = parseInsets(part.substring(ix).trim(), false);
+ cc.setVisualPadding(new UnitValue[] {
+ p[0],
+ p.length > 1 ? p[1] : null,
+ p.length > 2 ? p[2] : null,
+ p.length > 3 ? p[3] : null});
+ 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("Error parsing Constraint: '" + part + "'", ex);
+ }
+ }
+
+// 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 IllegalArgumentException("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 single "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;
+
+ String cs = s;
+ boolean push = false;
+ if (s.endsWith("push")) {
+ 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, cs);
+ }
+
+ 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, cs);
+
+ } else if (sizes.length == 2) {
+ return new BoundSize(parseUnitValue(s0, null, isHor), parseUnitValue(sizes[1], null, isHor), null, push, cs);
+ } else if (sizes.length == 3) {
+ return new BoundSize(parseUnitValue(s0, null, isHor), parseUnitValue(sizes[1], null, isHor), parseUnitValue(sizes[2], null, isHor), push, cs);
+ } else {
+ throw new IllegalArgumentException("Min:Preferred:Max size section must contain 0, 1 or 2 colons. '" + cs + "'");
+ }
+ }
+
+ /** 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 + "'", e);
+ }
+ }
+ }
+
+ /** Parses alignment keywords and returns the appropriate <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 reasonably 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 exercise {@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 minimum 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 characters are matched on recognized 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 ||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.
+ * <p>
+ * A space separator will be a hit to one or more spaces and thus not return empty strings.
+ * @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 each other 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
+ * @since 6.7.2 Changed so more than one space in a row works as one space.
+ */
+ private static String[] toTrimmedTokens(String s, char sep)
+ {
+ int toks = 0, sSize = s.length();
+ boolean disregardDoubles = sep == ' ';
+
+ // 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++;
+ while (disregardDoubles && i < sSize - 1 && s.charAt(i + 1) == ' ')
+ i++;
+ }
+ 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;
+ while (disregardDoubles && i < sSize - 1 && s.charAt(i + 1) == ' ')
+ i++;
+ }
+ }
+
+ 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 interpreted 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 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)); // Approx 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> "", trims and converts to lower case.
+ * @param s The string
+ * @return Not null.
+ */
+ public static 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;
+// }
+}
git://source.jalview.org / jalview.git / blobdiff