AstralTransRocketries/node-minecraft-protocol
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Properly handle this frame in nested structures

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radare-travis 2015-05-16 01:07:52 +00:00
parent aad5ba0fd9
commit 02d09e377b
1 changed files with 6 additions and 3 deletions
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9
src/datatypes/structures.js
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@ -59,6 +59,7 @@ function readContainer(buffer, offset, typeArgs, rootNode) {
// BLEIGH. Huge hack because I have no way of knowing my current name. // BLEIGH. Huge hack because I have no way of knowing my current name.
// TODO : either pass fieldInfo instead of typeArgs as argument (bleigh), or send name as argument (verybleigh). // TODO : either pass fieldInfo instead of typeArgs as argument (bleigh), or send name as argument (verybleigh).
// TODO : what I do inside of roblabla/Protocols is have each "frame" create a new empty slate with just a "super" object pointing to the parent. // TODO : what I do inside of roblabla/Protocols is have each "frame" create a new empty slate with just a "super" object pointing to the parent.
var backupThis = rootNode.this;
rootNode.this = results.value; rootNode.this = results.value;
for(var index in typeArgs.fields) { for(var index in typeArgs.fields) {
var readResults = this.read(buffer, offset, typeArgs.fields[index], rootNode); var readResults = this.read(buffer, offset, typeArgs.fields[index], rootNode);
@ -69,12 +70,13 @@ function readContainer(buffer, offset, typeArgs, rootNode) {
offset += readResults.size; offset += readResults.size;
results.value[typeArgs.fields[index].name] = readResults.value; results.value[typeArgs.fields[index].name] = readResults.value;
} }
delete rootNode.this; rootNode.this = backupThis;
return results; return results;
} }
function writeContainer(value, buffer, offset, typeArgs, rootNode) { function writeContainer(value, buffer, offset, typeArgs, rootNode) {
var context = value.this ? value.this : value; var context = value.this ? value.this : value;
var backupThis = rootNode.this;
rootNode.this = value; rootNode.this = value;
for(var index in typeArgs.fields) { for(var index in typeArgs.fields) {
if(!context.hasOwnProperty(typeArgs.fields[index].name) && typeArgs.fields[index].type != "count" && if(!context.hasOwnProperty(typeArgs.fields[index].name) && typeArgs.fields[index].type != "count" &&
@ -84,18 +86,19 @@ function writeContainer(value, buffer, offset, typeArgs, rootNode) {
} }
offset = this.write(context[typeArgs.fields[index].name], buffer, offset, typeArgs.fields[index], rootNode); offset = this.write(context[typeArgs.fields[index].name], buffer, offset, typeArgs.fields[index], rootNode);
} }
delete rootNode.this; rootNode.this = backupThis;;
return offset; return offset;
} }
function sizeOfContainer(value, typeArgs, rootNode) { function sizeOfContainer(value, typeArgs, rootNode) {
var size = 0; var size = 0;
var context = value.this ? value.this : value; var context = value.this ? value.this : value;
var backupThis = rootNode.this;
rootNode.this = value; rootNode.this = value;
for(var index in typeArgs.fields) { for(var index in typeArgs.fields) {
size += this.sizeOf(context[typeArgs.fields[index].name], typeArgs.fields[index], rootNode); size += this.sizeOf(context[typeArgs.fields[index].name], typeArgs.fields[index], rootNode);
} }
delete rootNode.this; rootNode.this = backupThis;
return size; return size;
} }