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/* -*- 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 TX_TXSTYLESHEET_H
#define TX_TXSTYLESHEET_H
#include "txOutputFormat.h"
#include "txExpandedNameMap.h"
#include "txList.h"
#include "txXSLTPatterns.h"
#include "nsISupportsImpl.h"
class txInstruction;
class txTemplateItem;
class txVariableItem;
class txStripSpaceItem;
class txAttributeSetItem;
class txDecimalFormat;
class txStripSpaceTest;
class txXSLKey;
class txStylesheet final
{
public:
class ImportFrame;
class GlobalVariable;
friend class txStylesheetCompilerState;
// To be able to do some cleaning up in destructor
friend class ImportFrame;
txStylesheet();
nsresult init();
NS_INLINE_DECL_REFCOUNTING(txStylesheet)
txInstruction* findTemplate(const txXPathNode& aNode,
const txExpandedName& aMode,
txIMatchContext* aContext,
ImportFrame* aImportedBy,
ImportFrame** aImportFrame);
txDecimalFormat* getDecimalFormat(const txExpandedName& aName);
txInstruction* getAttributeSet(const txExpandedName& aName);
txInstruction* getNamedTemplate(const txExpandedName& aName);
txOutputFormat* getOutputFormat();
GlobalVariable* getGlobalVariable(const txExpandedName& aName);
const txOwningExpandedNameMap<txXSLKey>& getKeyMap();
bool isStripSpaceAllowed(const txXPathNode& aNode,
txIMatchContext* aContext);
/**
* Called by the stylesheet compiler once all stylesheets has been read.
*/
nsresult doneCompiling();
/**
* Add a key to the stylesheet
*/
nsresult addKey(const txExpandedName& aName, nsAutoPtr<txPattern> aMatch,
nsAutoPtr<Expr> aUse);
/**
* Add a decimal-format to the stylesheet
*/
nsresult addDecimalFormat(const txExpandedName& aName,
nsAutoPtr<txDecimalFormat>&& aFormat);
struct MatchableTemplate {
txInstruction* mFirstInstruction;
nsAutoPtr<txPattern> mMatch;
double mPriority;
};
/**
* Contain information that is import precedence dependant.
*/
class ImportFrame {
public:
ImportFrame()
: mFirstNotImported(nullptr)
{
}
~ImportFrame();
// List of toplevel items
txList mToplevelItems;
// Map of template modes
txOwningExpandedNameMap< nsTArray<MatchableTemplate> > mMatchableTemplates;
// ImportFrame which is the first one *not* imported by this frame
ImportFrame* mFirstNotImported;
};
class GlobalVariable : public txObject {
public:
GlobalVariable(nsAutoPtr<Expr>&& aExpr,
nsAutoPtr<txInstruction>&& aFirstInstruction,
bool aIsParam);
nsAutoPtr<Expr> mExpr;
nsAutoPtr<txInstruction> mFirstInstruction;
bool mIsParam;
};
private:
// Private destructor, to discourage deletion outside of Release():
~txStylesheet();
nsresult addTemplate(txTemplateItem* aTemplate, ImportFrame* aImportFrame);
nsresult addGlobalVariable(txVariableItem* aVariable);
nsresult addFrames(txListIterator& aInsertIter);
nsresult addStripSpace(txStripSpaceItem* aStripSpaceItem,
nsTArray<txStripSpaceTest*>& aFrameStripSpaceTests);
nsresult addAttributeSet(txAttributeSetItem* aAttributeSetItem);
// List of ImportFrames
txList mImportFrames;
// output format
txOutputFormat mOutputFormat;
// List of first instructions of templates. This is the owner of all
// instructions used in templates
txList mTemplateInstructions;
// Root importframe
ImportFrame* mRootFrame;
// Named templates
txExpandedNameMap<txInstruction> mNamedTemplates;
// Map with all decimal-formats
txOwningExpandedNameMap<txDecimalFormat> mDecimalFormats;
// Map with all named attribute sets
txExpandedNameMap<txInstruction> mAttributeSets;
// Map with all global variables and parameters
txOwningExpandedNameMap<GlobalVariable> mGlobalVariables;
// Map with all keys
txOwningExpandedNameMap<txXSLKey> mKeys;
// Array of all txStripSpaceTests, sorted in acending order
nsTArray<nsAutoPtr<txStripSpaceTest> > mStripSpaceTests;
// Default templates
nsAutoPtr<txInstruction> mContainerTemplate;
nsAutoPtr<txInstruction> mCharactersTemplate;
nsAutoPtr<txInstruction> mEmptyTemplate;
};
/**
* txStripSpaceTest holds both an txNameTest and a bool for use in
* whitespace stripping.
*/
class txStripSpaceTest {
public:
txStripSpaceTest(nsIAtom* aPrefix, nsIAtom* aLocalName, int32_t aNSID,
bool stripSpace)
: mNameTest(aPrefix, aLocalName, aNSID, txXPathNodeType::ELEMENT_NODE),
mStrips(stripSpace)
{
}
bool matches(const txXPathNode& aNode, txIMatchContext* aContext) {
return mNameTest.matches(aNode, aContext);
}
bool stripsSpace() {
return mStrips;
}
double getDefaultPriority() {
return mNameTest.getDefaultPriority();
}
protected:
txNameTest mNameTest;
bool mStrips;
};
/**
* Value of a global parameter
*/
class txIGlobalParameter
{
public:
txIGlobalParameter()
{
MOZ_COUNT_CTOR(txIGlobalParameter);
}
virtual ~txIGlobalParameter()
{
MOZ_COUNT_DTOR(txIGlobalParameter);
}
virtual nsresult getValue(txAExprResult** aValue) = 0;
};
#endif //TX_TXSTYLESHEET_H
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