LegacyConsole/jpexs-decompiler
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non static caches (separated cache for all SWFs)

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honfika@gmail.com
2015-07-12 15:14:41 +02:00
parent 0af75c9990
commit 904d1f64f1
22 changed files with 145 additions and 83 deletions
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60
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/IdentifiersDeobfuscation.java
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@@ -17,6 +17,7 @@
package com.jpexs.decompiler.flash;
import com.jpexs.decompiler.flash.abc.RenameType;
import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
import com.jpexs.decompiler.flash.tags.DefineSpriteTag;
import com.jpexs.decompiler.flash.tags.Tag;
import com.jpexs.decompiler.flash.tags.base.PlaceObjectTypeTag;
@@ -44,6 +45,10 @@ public class IdentifiersDeobfuscation {
private final HashMap<String, Integer> typeCounts = new HashMap<>();
private static final Cache<String, String> as2NameCache = Cache.getInstance(false, true, "as2_ident");
private static final Cache<String, String> as3NameCache = Cache.getInstance(false, true, "as3_ident");
public static final String VALID_FIRST_CHARACTERS = "\\p{Lu}\\p{Ll}\\p{Lt}\\p{Lm}\\p{Lo}_$";
public static final String VALID_NEXT_CHARACTERS = VALID_FIRST_CHARACTERS + "\\p{Nl}\\p{Mn}\\p{Mc}\\p{Nd}\\p{Pc}";
@@ -296,14 +301,12 @@ public class IdentifiersDeobfuscation {
return null;
}
public static String makeObfuscatedIdentifier(String s) {
return "\u00A7" + escapeOIdentifier(s) + "\u00A7";
public static GraphTextWriter appendObfuscatedIdentifier(String s, GraphTextWriter writer) {
writer.append("\u00A7");
escapeOIdentifier(s, writer);
return writer.append("\u00A7");
}
private static final Cache<String, String> as3NameCache = Cache.getInstance(false, true, "as3_ident");
private static final Cache<String, String> as2NameCache = Cache.getInstance(false, true, "as2_ident");
/**
* Ensures identifier is valid and if not, uses paragraph syntax
*
@@ -323,17 +326,19 @@ public class IdentifiersDeobfuscation {
return s;
}
}
Cache<String, String> nameCache = as3 ? as3NameCache : as2NameCache;
if (nameCache.contains(s)) {
return nameCache.get(s);
}
if (isValidName(as3, s, validExceptions)) {
if (isValidName(as3, s)) {
nameCache.put(s, s);
return s;
}
String ret = makeObfuscatedIdentifier(s);
String ret = "\u00A7" + escapeOIdentifier(s) + "\u00A7";
nameCache.put(s, ret);
return ret;
}
@@ -343,28 +348,62 @@ public class IdentifiersDeobfuscation {
if (nameCache.contains(pkg)) {
return nameCache.get(pkg);
}
if (pkg.isEmpty()) {
nameCache.put(pkg, pkg);
return pkg;
}
String[] parts;
if (pkg.contains(".")) {
parts = pkg.split("\\.");
} else {
parts = new String[]{pkg};
}
StringBuilder ret = new StringBuilder();
for (int i = 0; i < parts.length; i++) {
if (i > 0) {
ret.append(".");
}
ret.append(printIdentifier(as3, parts[i], validNameExceptions));
}
String retStr = ret.toString();
nameCache.put(pkg, retStr);
return retStr;
}
public static GraphTextWriter escapeOIdentifier(String s, GraphTextWriter writer) {
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
if (c == '\n') {
writer.append("\\n");
} else if (c == '\r') {
writer.append("\\r");
} else if (c == '\t') {
writer.append("\\t");
} else if (c == '\b') {
writer.append("\\b");
} else if (c == '\t') {
writer.append("\\t");
} else if (c == '\f') {
writer.append("\\f");
} else if (c == '\\') {
writer.append("\\\\");
} else if (c == '\u00A7') {
writer.append("\\\u00A7");
} else if (c < 32) {
writer.append("\\x").append(Helper.byteToHex((byte) c));
} else {
writer.append(c);
}
}
return writer;
}
public static String escapeOIdentifier(String s) {
StringBuilder ret = new StringBuilder(s.length());
for (int i = 0; i < s.length(); i++) {
@@ -394,4 +433,9 @@ public class IdentifiersDeobfuscation {
return ret.toString();
}
public static void clearCache() {
as2NameCache.clear();
as3NameCache.clear();
}
}