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ResValueFactory: string value parsing using regexes.

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This commit is contained in:
Ryszard Wiśniewski 2010-03-13 02:22:45 +01:00
parent a469b8b0b3
commit 7200c2efb8
1 changed files with 55 additions and 14 deletions
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67
src/brut/androlib/res/data/value/ResValueFactory.java
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@ -25,6 +25,8 @@ import brut.androlib.res.jni.JniBagItem;
import brut.androlib.res.jni.JniEntry;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Ryszard Wiśniewski <brut.alll@gmail.com>
@ -36,26 +38,42 @@ public class ResValueFactory {
this.mPackage = pakage_;
}
public ResScalarValue factory(String string) {
public ResScalarValue factory(String string) throws AndrolibException {
if (string.isEmpty()) {
return new ResStringValue(string);
}
Integer i;
char c = string.charAt(0);
if (c == '@' || c == '?') {
return newReference(
Integer.parseInt(string.substring(1)), c == '?');
boolean theme = false;
if (c == '?') {
c = '@';
theme = true;
}
if (c == '#') {
return new ResColorValue(
(int) Long.parseLong(string.substring(1), 16));
if (c == '@' || c == '#') {
i = parseInt(string.substring(1), true);
if (i != null) {
switch (c) {
case '@':
return newReference(i, theme);
case '#':
return new ResColorValue(i);
}
try {
if (string.startsWith("0x")) {
return new ResIntValue(
(int) Long.parseLong(string.substring(2), 16));
}
return new ResIntValue(Integer.parseInt(string));
} catch (NumberFormatException ex) {}
Matcher m = resIdPattern.matcher(string.substring(1));
if (m.matches()) {
ResPackage pkg = m.group(1) == null ? mPackage
: mPackage.getResTable().getPackage(m.group(1));
return newReference(pkg.getType(m.group(2))
.getResSpec(m.group(3)).getId().id, theme);
}
}
i = parseInt(string);
if (i != null) {
return new ResIntValue(i);
}
return new ResStringValue(string);
}
@ -138,6 +156,29 @@ public class ResValueFactory {
return items;
}
private static Integer parseInt(String s) {
return parseInt(s, true);
}
private static Integer parseInt(String s, boolean hex) {
if (s.startsWith("0x")) {
s = s.substring(2);
hex = true;
} else if (decPattern.matcher(s).matches()) {
return Integer.parseInt(s);
}
if (hex && hexPattern.matcher(s).matches()) {
return (int) Long.parseLong(s, 16);
}
return null;
}
private final static Pattern decPattern = Pattern.compile("-?\\d+");
private final static Pattern hexPattern =
Pattern.compile("-?[0-9a-fA-F]{1,8}");
private final static Pattern resIdPattern =
Pattern.compile("\\+?(?:|(.+?):)(.+?)/(.+?)");
private final static int TYPE_NULL = 0x00;
private final static int TYPE_REFERENCE = 0x01;
private final static int TYPE_ATTRIBUTE = 0x02;