content/xslt/src/xpath/nsXPathResult.h
author Ehsan Akhgari <ehsan@mozilla.com>
Wed, 22 Aug 2012 11:56:38 -0400
changeset 103003 a16372ce30b5f6b747246b01fcd215a4bf3b6342
parent 97035 6ea80e3155b6f86a7867580776415d3d0e41e420
child 106719 c4f83d9d8243f3f853a5356188164a5fddee2b5a
permissions -rw-r--r--
Bug 579517 - Part 1: Automated conversion of NSPR numeric types to stdint types in Gecko; r=bsmedberg This patch was generated by a script. Here's the source of the script for future reference: function convert() { echo "Converting $1 to $2..." find . ! -wholename "*nsprpub*" \ ! -wholename "*security/nss*" \ ! -wholename "*/.hg*" \ ! -wholename "obj-ff-dbg*" \ ! -name nsXPCOMCID.h \ ! -name prtypes.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 PRInt8 int8_t convert PRUint8 uint8_t convert PRInt16 int16_t convert PRUint16 uint16_t convert PRInt32 int32_t convert PRUint32 uint32_t convert PRInt64 int64_t convert PRUint64 uint64_t convert PRIntn int convert PRUintn unsigned convert PRSize size_t convert PROffset32 int32_t convert PROffset64 int64_t convert PRPtrdiff ptrdiff_t convert PRFloat64 double

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 nsXPathResult_h__
#define nsXPathResult_h__

#include "txExprResult.h"
#include "nsIDOMXPathResult.h"
#include "nsIDocument.h"
#include "nsStubMutationObserver.h"
#include "nsCOMPtr.h"
#include "nsCOMArray.h"
#include "nsWeakPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "mozilla/Attributes.h"

// {662f2c9a-c7cd-4cab-9349-e733df5a838c}
#define NS_IXPATHRESULT_IID \
{ 0x662f2c9a, 0xc7cd, 0x4cab, {0x93, 0x49, 0xe7, 0x33, 0xdf, 0x5a, 0x83, 0x8c }}

class nsIXPathResult : public nsISupports
{
public:
    NS_DECLARE_STATIC_IID_ACCESSOR(NS_IXPATHRESULT_IID)
    virtual nsresult SetExprResult(txAExprResult *aExprResult,
                                   uint16_t aResultType,
                                   nsINode* aContextNode) = 0;
    virtual nsresult GetExprResult(txAExprResult **aExprResult) = 0;
    virtual nsresult Clone(nsIXPathResult **aResult) = 0;
};

NS_DEFINE_STATIC_IID_ACCESSOR(nsIXPathResult, NS_IXPATHRESULT_IID)

/**
 * A class for evaluating an XPath expression string
 */
class nsXPathResult MOZ_FINAL : public nsIDOMXPathResult,
                                public nsStubMutationObserver,
                                public nsIXPathResult
{
public:
    nsXPathResult();
    nsXPathResult(const nsXPathResult &aResult);
    ~nsXPathResult();

    // nsISupports interface
    NS_DECL_CYCLE_COLLECTING_ISUPPORTS
    NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsXPathResult, nsIDOMXPathResult)

    // nsIDOMXPathResult interface
    NS_DECL_NSIDOMXPATHRESULT

    // nsIMutationObserver interface
    NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED
    NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
    NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
    NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
    NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
    NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED

    // nsIXPathResult interface
    nsresult SetExprResult(txAExprResult *aExprResult, uint16_t aResultType,
                           nsINode* aContextNode);
    nsresult GetExprResult(txAExprResult **aExprResult);
    nsresult Clone(nsIXPathResult **aResult);
    void RemoveObserver();
private:
    static bool isSnapshot(uint16_t aResultType)
    {
        return aResultType == UNORDERED_NODE_SNAPSHOT_TYPE ||
               aResultType == ORDERED_NODE_SNAPSHOT_TYPE;
    }
    static bool isIterator(uint16_t aResultType)
    {
        return aResultType == UNORDERED_NODE_ITERATOR_TYPE ||
               aResultType == ORDERED_NODE_ITERATOR_TYPE;
    }
    static bool isNode(uint16_t aResultType)
    {
        return aResultType == FIRST_ORDERED_NODE_TYPE ||
               aResultType == ANY_UNORDERED_NODE_TYPE;
    }
    bool isSnapshot() const
    {
        return isSnapshot(mResultType);
    }
    bool isIterator() const
    {
        return isIterator(mResultType);
    }
    bool isNode() const
    {
        return isNode(mResultType);
    }

    void Invalidate(const nsIContent* aChangeRoot);

    nsRefPtr<txAExprResult> mResult;
    nsCOMArray<nsIDOMNode> mResultNodes;
    nsCOMPtr<nsIDocument> mDocument;
    uint32_t mCurrentPos;
    uint16_t mResultType;
    nsWeakPtr mContextNode;
    bool mInvalidIteratorState;
    bool mBooleanResult;
    double mNumberResult;
    nsString mStringResult;
};

#endif