content/xbl/src/nsXBLProtoImplMethod.h
author Ehsan Akhgari <ehsan@mozilla.com>
Sat, 04 Jan 2014 10:02:17 -0500
changeset 162099 5a9badd6db004310b9d1aca5db25ef4c275a4362
parent 156946 725dad9a964b71eb116468b44aad04fa21c97fcf
permissions -rw-r--r--
Bug 927728 - Part 1: Replace PRUnichar with char16_t; r=roc This patch was automatically generated by the following script: #!/bin/bash # Command to convert PRUnichar to char16_t function convert() { echo "Converting $1 to $2..." find . ! -wholename "*nsprpub*" \ ! -wholename "*security/nss*" \ ! -wholename "*modules/libmar*" \ ! -wholename "*/.hg*" \ ! -wholename "obj-ff-dbg*" \ ! -name prtypes.h \ ! -name Char16.h \ -type f \ \( -iname "*.cpp" \ -o -iname "*.h" \ -o -iname "*.c" \ -o -iname "*.cc" \ -o -iname "*.idl" \ -o -iname "*.ipdl" \ -o -iname "*.ipdlh" \ -o -iname "*.mm" \) | \ xargs -n 1 sed -i -e "s/\b$1\b/$2/g" } convert PRUnichar char16_t

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsXBLProtoImplMethod_h__
#define nsXBLProtoImplMethod_h__

#include "mozilla/Attributes.h"
#include "nsIAtom.h"
#include "nsString.h"
#include "nsString.h"
#include "nsXBLMaybeCompiled.h"
#include "nsXBLProtoImplMember.h"
#include "nsXBLSerialize.h"

class nsIContent;

struct nsXBLParameter {
  nsXBLParameter* mNext;
  char* mName;

  nsXBLParameter(const nsAString& aName) {
    MOZ_COUNT_CTOR(nsXBLParameter);
    mName = ToNewCString(aName);
    mNext = nullptr;
  }

  ~nsXBLParameter() {
    MOZ_COUNT_DTOR(nsXBLParameter);
    nsMemory::Free(mName);
    NS_CONTENT_DELETE_LIST_MEMBER(nsXBLParameter, this, mNext);
  }
};

struct nsXBLUncompiledMethod {
  nsXBLParameter* mParameters;
  nsXBLParameter* mLastParameter;
  nsXBLTextWithLineNumber mBodyText;

  nsXBLUncompiledMethod() :
    mParameters(nullptr),
    mLastParameter(nullptr),
    mBodyText()
  {
    MOZ_COUNT_CTOR(nsXBLUncompiledMethod);
  }

  ~nsXBLUncompiledMethod() {
    MOZ_COUNT_DTOR(nsXBLUncompiledMethod);
    delete mParameters;
  }

  int32_t GetParameterCount() {
    int32_t result = 0;
    for (nsXBLParameter* curr = mParameters; curr; curr=curr->mNext)
      result++;
    return result;
  }

  void AppendBodyText(const nsAString& aText) {
    mBodyText.AppendText(aText);
  }

  void AddParameter(const nsAString& aText) {
    nsXBLParameter* param = new nsXBLParameter(aText);
    if (!param)
      return;
    if (!mParameters)
      mParameters = param;
    else
      mLastParameter->mNext = param;
    mLastParameter = param;
  }

  void SetLineNumber(uint32_t aLineNumber) {
    mBodyText.SetLineNumber(aLineNumber);
  }
};

class nsXBLProtoImplMethod: public nsXBLProtoImplMember
{
public:
  nsXBLProtoImplMethod(const char16_t* aName);
  virtual ~nsXBLProtoImplMethod();

  void AppendBodyText(const nsAString& aBody);
  void AddParameter(const nsAString& aName);

  void SetLineNumber(uint32_t aLineNumber);
  
  virtual nsresult InstallMember(JSContext* aCx,
                                 JS::Handle<JSObject*> aTargetClassObject) MOZ_OVERRIDE;
  virtual nsresult CompileMember(const nsCString& aClassStr,
                                 JS::Handle<JSObject*> aClassObject) MOZ_OVERRIDE;

  virtual void Trace(const TraceCallbacks& aCallbacks, void *aClosure) MOZ_OVERRIDE;

  nsresult Read(nsIObjectInputStream* aStream);
  virtual nsresult Write(nsIObjectOutputStream* aStream) MOZ_OVERRIDE;

  bool IsCompiled() const
  {
    return mMethod.IsCompiled();
  }

  void SetUncompiledMethod(nsXBLUncompiledMethod* aUncompiledMethod)
  {
    mMethod.SetUncompiled(aUncompiledMethod);
  }

  nsXBLUncompiledMethod* GetUncompiledMethod() const
  {
    return mMethod.GetUncompiled();
  }

protected:
  void SetCompiledMethod(JSObject* aCompiledMethod)
  {
    mMethod.SetJSFunction(aCompiledMethod);
  }

  JSObject* GetCompiledMethod() const
  {
    return mMethod.GetJSFunction();
  }

  JSObject* GetCompiledMethodPreserveColor() const
  {
    return mMethod.GetJSFunctionPreserveColor();
  }

  JS::Heap<nsXBLMaybeCompiled<nsXBLUncompiledMethod> > mMethod;
};

class nsXBLProtoImplAnonymousMethod : public nsXBLProtoImplMethod {
public:
  nsXBLProtoImplAnonymousMethod(const char16_t* aName) :
    nsXBLProtoImplMethod(aName)
  {}
  
  nsresult Execute(nsIContent* aBoundElement);

  // Override InstallMember; these methods never get installed as members on
  // binding instantiations (though they may hang out in mMembers on the
  // prototype implementation).
  virtual nsresult InstallMember(JSContext* aCx,
                                 JS::Handle<JSObject*> aTargetClassObject) MOZ_OVERRIDE {
    return NS_OK;
  }

  using nsXBLProtoImplMethod::Write;
  nsresult Write(nsIObjectOutputStream* aStream,
                 XBLBindingSerializeDetails aType);
};

#endif // nsXBLProtoImplMethod_h__