| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * $Id: XercesXPath.hpp 568078 2007-08-21 11:43:25Z amassari $ |
| */ |
| |
| #if !defined(XERCESXPATH_HPP) |
| #define XERCESXPATH_HPP |
| |
| |
| // --------------------------------------------------------------------------- |
| // Includes |
| // --------------------------------------------------------------------------- |
| #include <xercesc/util/QName.hpp> |
| #include <xercesc/util/RefVectorOf.hpp> |
| #include <xercesc/util/ValueVectorOf.hpp> |
| |
| #include <xercesc/internal/XSerializable.hpp> |
| |
| XERCES_CPP_NAMESPACE_BEGIN |
| |
| // --------------------------------------------------------------------------- |
| // Forward Declarations |
| // --------------------------------------------------------------------------- |
| class XMLStringPool; |
| class NamespaceScope; |
| |
| |
| class VALIDATORS_EXPORT XercesNodeTest : public XSerializable, public XMemory |
| { |
| public: |
| // ----------------------------------------------------------------------- |
| // Constants |
| // ----------------------------------------------------------------------- |
| enum { |
| QNAME = 1, |
| WILDCARD = 2, |
| NODE = 3, |
| NAMESPACE= 4, |
| UNKNOWN |
| }; |
| |
| // ----------------------------------------------------------------------- |
| // Constructors/Destructor |
| // ----------------------------------------------------------------------- |
| XercesNodeTest(const short type, |
| MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
| XercesNodeTest(const QName* const qName); |
| XercesNodeTest(const XMLCh* const prefix, const unsigned int uriId, |
| MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
| XercesNodeTest(const XercesNodeTest& other); |
| ~XercesNodeTest() { delete fName; } |
| |
| // ----------------------------------------------------------------------- |
| // Operators |
| // ----------------------------------------------------------------------- |
| XercesNodeTest& operator= (const XercesNodeTest& other); |
| bool operator== (const XercesNodeTest& other) const; |
| bool operator!= (const XercesNodeTest& other) const; |
| |
| // ----------------------------------------------------------------------- |
| // Getter methods |
| // ----------------------------------------------------------------------- |
| short getType() const { return fType; } |
| QName* getName() const { return fName; } |
| |
| /*** |
| * Support for Serialization/De-serialization |
| ***/ |
| DECL_XSERIALIZABLE(XercesNodeTest) |
| |
| XercesNodeTest(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
| |
| private: |
| // ----------------------------------------------------------------------- |
| // Data members |
| // ----------------------------------------------------------------------- |
| short fType; |
| QName* fName; |
| }; |
| |
| |
| /** |
| * A location path step comprised of an axis and node test. |
| */ |
| class VALIDATORS_EXPORT XercesStep : public XSerializable, public XMemory |
| { |
| public: |
| // ----------------------------------------------------------------------- |
| // Constants |
| // ----------------------------------------------------------------------- |
| enum { // Axis type |
| CHILD = 1, |
| ATTRIBUTE = 2, |
| SELF = 3, |
| DESCENDANT = 4, |
| UNKNOWN |
| }; |
| |
| // ----------------------------------------------------------------------- |
| // Constructors/Destructor |
| // ----------------------------------------------------------------------- |
| XercesStep(const unsigned short axisType, XercesNodeTest* const nodeTest); |
| XercesStep(const XercesStep& other); |
| ~XercesStep() { delete fNodeTest; } |
| |
| // ----------------------------------------------------------------------- |
| // Operators |
| // ----------------------------------------------------------------------- |
| XercesStep& operator= (const XercesStep& other); |
| bool operator== (const XercesStep& other) const; |
| bool operator!= (const XercesStep& other) const; |
| |
| // ----------------------------------------------------------------------- |
| // Getter methods |
| // ----------------------------------------------------------------------- |
| unsigned short getAxisType() const { return fAxisType; } |
| XercesNodeTest* getNodeTest() const { return fNodeTest; } |
| |
| /*** |
| * Support for Serialization/De-serialization |
| ***/ |
| DECL_XSERIALIZABLE(XercesStep) |
| |
| XercesStep(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
| |
| private: |
| // ----------------------------------------------------------------------- |
| // Data members |
| // ----------------------------------------------------------------------- |
| unsigned short fAxisType; |
| XercesNodeTest* fNodeTest; |
| }; |
| |
| |
| /** |
| * A location path representation for an XPath expression. |
| */ |
| class VALIDATORS_EXPORT XercesLocationPath : public XSerializable, public XMemory |
| { |
| public: |
| // ----------------------------------------------------------------------- |
| // Constructors/Destructor |
| // ----------------------------------------------------------------------- |
| XercesLocationPath(RefVectorOf<XercesStep>* const steps); |
| ~XercesLocationPath() { delete fSteps; } |
| |
| // ----------------------------------------------------------------------- |
| // Operators |
| // ----------------------------------------------------------------------- |
| bool operator== (const XercesLocationPath& other) const; |
| bool operator!= (const XercesLocationPath& other) const; |
| |
| // ----------------------------------------------------------------------- |
| // Access methods |
| // ----------------------------------------------------------------------- |
| unsigned int getStepSize() const; |
| void addStep(XercesStep* const aStep); |
| XercesStep* getStep(const unsigned int index) const; |
| |
| /*** |
| * Support for Serialization/De-serialization |
| ***/ |
| DECL_XSERIALIZABLE(XercesLocationPath) |
| |
| XercesLocationPath(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
| |
| private: |
| // ----------------------------------------------------------------------- |
| // Unimplemented contstructors and operators |
| // ----------------------------------------------------------------------- |
| XercesLocationPath(const XercesLocationPath& other); |
| XercesLocationPath& operator= (const XercesLocationPath& other); |
| |
| // ----------------------------------------------------------------------- |
| // Data members |
| // ----------------------------------------------------------------------- |
| RefVectorOf<XercesStep>* fSteps; |
| }; |
| |
| |
| class VALIDATORS_EXPORT XercesXPath : public XSerializable, public XMemory |
| { |
| public: |
| // ----------------------------------------------------------------------- |
| // Constants |
| // ----------------------------------------------------------------------- |
| /** |
| * [28] ExprToken ::= '(' | ')' | '[' | ']' | '.' | '..' | '@' | ',' | '::' |
| * | NameTest | NodeType | Operator | FunctionName |
| * | AxisName | Literal | Number | VariableReference |
| */ |
| enum { |
| EXPRTOKEN_OPEN_PAREN = 0, |
| EXPRTOKEN_CLOSE_PAREN = 1, |
| EXPRTOKEN_OPEN_BRACKET = 2, |
| EXPRTOKEN_CLOSE_BRACKET = 3, |
| EXPRTOKEN_PERIOD = 4, |
| EXPRTOKEN_DOUBLE_PERIOD = 5, |
| EXPRTOKEN_ATSIGN = 6, |
| EXPRTOKEN_COMMA = 7, |
| EXPRTOKEN_DOUBLE_COLON = 8, |
| EXPRTOKEN_NAMETEST_ANY = 9, |
| EXPRTOKEN_NAMETEST_NAMESPACE = 10, |
| EXPRTOKEN_NAMETEST_QNAME = 11, |
| EXPRTOKEN_NODETYPE_COMMENT = 12, |
| EXPRTOKEN_NODETYPE_TEXT = 13, |
| EXPRTOKEN_NODETYPE_PI = 14, |
| EXPRTOKEN_NODETYPE_NODE = 15, |
| EXPRTOKEN_OPERATOR_AND = 16, |
| EXPRTOKEN_OPERATOR_OR = 17, |
| EXPRTOKEN_OPERATOR_MOD = 18, |
| EXPRTOKEN_OPERATOR_DIV = 19, |
| EXPRTOKEN_OPERATOR_MULT = 20, |
| EXPRTOKEN_OPERATOR_SLASH = 21, |
| EXPRTOKEN_OPERATOR_DOUBLE_SLASH = 22, |
| EXPRTOKEN_OPERATOR_UNION = 23, |
| EXPRTOKEN_OPERATOR_PLUS = 24, |
| EXPRTOKEN_OPERATOR_MINUS = 25, |
| EXPRTOKEN_OPERATOR_EQUAL = 26, |
| EXPRTOKEN_OPERATOR_NOT_EQUAL = 27, |
| EXPRTOKEN_OPERATOR_LESS = 28, |
| EXPRTOKEN_OPERATOR_LESS_EQUAL = 29, |
| EXPRTOKEN_OPERATOR_GREATER = 30, |
| EXPRTOKEN_OPERATOR_GREATER_EQUAL = 31, |
| EXPRTOKEN_FUNCTION_NAME = 32, |
| EXPRTOKEN_AXISNAME_ANCESTOR = 33, |
| EXPRTOKEN_AXISNAME_ANCESTOR_OR_SELF = 34, |
| EXPRTOKEN_AXISNAME_ATTRIBUTE = 35, |
| EXPRTOKEN_AXISNAME_CHILD = 36, |
| EXPRTOKEN_AXISNAME_DESCENDANT = 37, |
| EXPRTOKEN_AXISNAME_DESCENDANT_OR_SELF = 38, |
| EXPRTOKEN_AXISNAME_FOLLOWING = 39, |
| EXPRTOKEN_AXISNAME_FOLLOWING_SIBLING = 40, |
| EXPRTOKEN_AXISNAME_NAMESPACE = 41, |
| EXPRTOKEN_AXISNAME_PARENT = 42, |
| EXPRTOKEN_AXISNAME_PRECEDING = 43, |
| EXPRTOKEN_AXISNAME_PRECEDING_SIBLING = 44, |
| EXPRTOKEN_AXISNAME_SELF = 45, |
| EXPRTOKEN_LITERAL = 46, |
| EXPRTOKEN_NUMBER = 47, |
| EXPRTOKEN_VARIABLE_REFERENCE = 48 |
| }; |
| |
| // ----------------------------------------------------------------------- |
| // Constructors/Destructor |
| // ----------------------------------------------------------------------- |
| XercesXPath(const XMLCh* const xpathExpr, |
| XMLStringPool* const stringPool, |
| NamespaceScope* const scopeContext, |
| const unsigned int emptyNamespaceId, |
| const bool isSelector = false, |
| MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
| ~XercesXPath(); |
| |
| // ----------------------------------------------------------------------- |
| // Operators |
| // ----------------------------------------------------------------------- |
| bool operator== (const XercesXPath& other) const; |
| bool operator!= (const XercesXPath& other) const; |
| |
| // ----------------------------------------------------------------------- |
| // Constructors/Destructor |
| // ----------------------------------------------------------------------- |
| RefVectorOf<XercesLocationPath>* getLocationPaths() const; |
| |
| /*** |
| * Support for Serialization/De-serialization |
| ***/ |
| DECL_XSERIALIZABLE(XercesXPath) |
| |
| XercesXPath(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
| |
| XMLCh* getExpression(); |
| |
| private: |
| // ----------------------------------------------------------------------- |
| // Unimplemented contstructors and operators |
| // ----------------------------------------------------------------------- |
| XercesXPath(const XercesXPath& other); |
| XercesXPath& operator= (const XercesXPath& other); |
| |
| // ----------------------------------------------------------------------- |
| // Helper methods |
| // ----------------------------------------------------------------------- |
| void cleanUp(); |
| void checkForSelectedAttributes(); |
| void parseExpression(XMLStringPool* const stringPool, |
| NamespaceScope* const scopeContext); |
| |
| // ----------------------------------------------------------------------- |
| // Data members |
| // ----------------------------------------------------------------------- |
| unsigned int fEmptyNamespaceId; |
| XMLCh* fExpression; |
| RefVectorOf<XercesLocationPath>* fLocationPaths; |
| MemoryManager* fMemoryManager; |
| }; |
| |
| |
| class VALIDATORS_EXPORT XPathScanner : public XMemory |
| { |
| public: |
| // ----------------------------------------------------------------------- |
| // Constants |
| // ----------------------------------------------------------------------- |
| enum { |
| CHARTYPE_INVALID = 0, // invalid XML character |
| CHARTYPE_OTHER = 1, // not special - one of "#%&;?\^`{}~" or DEL |
| CHARTYPE_WHITESPACE = 2, // one of "\t\n\r " (0x09, 0x0A, 0x0D, 0x20) |
| CHARTYPE_EXCLAMATION = 3, // '!' (0x21) |
| CHARTYPE_QUOTE = 4, // '\"' or '\'' (0x22 and 0x27) |
| CHARTYPE_DOLLAR = 5, // '$' (0x24) |
| CHARTYPE_OPEN_PAREN = 6, // '(' (0x28) |
| CHARTYPE_CLOSE_PAREN = 7, // ')' (0x29) |
| CHARTYPE_STAR = 8, // '*' (0x2A) |
| CHARTYPE_PLUS = 9, // '+' (0x2B) |
| CHARTYPE_COMMA = 10, // ',' (0x2C) |
| CHARTYPE_MINUS = 11, // '-' (0x2D) |
| CHARTYPE_PERIOD = 12, // '.' (0x2E) |
| CHARTYPE_SLASH = 13, // '/' (0x2F) |
| CHARTYPE_DIGIT = 14, // '0'-'9' (0x30 to 0x39) |
| CHARTYPE_COLON = 15, // ':' (0x3A) |
| CHARTYPE_LESS = 16, // '<' (0x3C) |
| CHARTYPE_EQUAL = 17, // '=' (0x3D) |
| CHARTYPE_GREATER = 18, // '>' (0x3E) |
| CHARTYPE_ATSIGN = 19, // '@' (0x40) |
| CHARTYPE_LETTER = 20, // 'A'-'Z' or 'a'-'z' (0x41 to 0x5A and 0x61 to 0x7A) |
| CHARTYPE_OPEN_BRACKET = 21, // '[' (0x5B) |
| CHARTYPE_CLOSE_BRACKET = 22, // ']' (0x5D) |
| CHARTYPE_UNDERSCORE = 23, // '_' (0x5F) |
| CHARTYPE_UNION = 24, // '|' (0x7C) |
| CHARTYPE_NONASCII = 25 // Non-ASCII Unicode codepoint (>= 0x80) |
| }; |
| |
| // ----------------------------------------------------------------------- |
| // Constructors/Destructor |
| // ----------------------------------------------------------------------- |
| XPathScanner(XMLStringPool* const stringPool); |
| virtual ~XPathScanner() {} |
| |
| // ----------------------------------------------------------------------- |
| // Scan methods |
| // ----------------------------------------------------------------------- |
| bool scanExpression(const XMLCh* const data, int currentOffset, |
| const int endOffset, ValueVectorOf<int>* const tokens); |
| |
| protected: |
| // ----------------------------------------------------------------------- |
| // Helper methods |
| // ----------------------------------------------------------------------- |
| /** |
| * This method adds the specified token to the token list. By default, |
| * this method allows all tokens. However, subclasses can can override |
| * this method in order to disallow certain tokens from being used in the |
| * scanned XPath expression. This is a convenient way of allowing only |
| * a subset of XPath. |
| */ |
| virtual void addToken(ValueVectorOf<int>* const tokens, const int aToken); |
| |
| private: |
| // ----------------------------------------------------------------------- |
| // Unimplemented contstructors and operators |
| // ----------------------------------------------------------------------- |
| XPathScanner(const XPathScanner& other); |
| XPathScanner& operator= (const XPathScanner& other); |
| |
| // ----------------------------------------------------------------------- |
| // Helper methods |
| // ----------------------------------------------------------------------- |
| void init(); |
| |
| // ----------------------------------------------------------------------- |
| // Scan methods |
| // ----------------------------------------------------------------------- |
| int scanNCName(const XMLCh* const data, const int endOffset, |
| int currentOffset); |
| int scanNumber(const XMLCh* const data, const int endOffset, |
| int currentOffset, ValueVectorOf<int>* const tokens); |
| |
| // ----------------------------------------------------------------------- |
| // Data members |
| // ----------------------------------------------------------------------- |
| int fAndSymbol; |
| int fOrSymbol; |
| int fModSymbol; |
| int fDivSymbol; |
| int fCommentSymbol; |
| int fTextSymbol; |
| int fPISymbol; |
| int fNodeSymbol; |
| int fAncestorSymbol; |
| int fAncestorOrSelfSymbol; |
| int fAttributeSymbol; |
| int fChildSymbol; |
| int fDescendantSymbol; |
| int fDescendantOrSelfSymbol; |
| int fFollowingSymbol; |
| int fFollowingSiblingSymbol; |
| int fNamespaceSymbol; |
| int fParentSymbol; |
| int fPrecedingSymbol; |
| int fPrecedingSiblingSymbol; |
| int fSelfSymbol; |
| XMLStringPool* fStringPool; |
| |
| static const XMLByte fASCIICharMap[128]; |
| }; |
| |
| |
| class VALIDATORS_EXPORT XPathScannerForSchema: public XPathScanner |
| { |
| public: |
| // ----------------------------------------------------------------------- |
| // Constructors/Destructor |
| // ----------------------------------------------------------------------- |
| XPathScannerForSchema(XMLStringPool* const stringPool); |
| ~XPathScannerForSchema() {} |
| |
| protected: |
| // ----------------------------------------------------------------------- |
| // Helper methods |
| // ----------------------------------------------------------------------- |
| void addToken(ValueVectorOf<int>* const tokens, const int aToken); |
| |
| private: |
| // ----------------------------------------------------------------------- |
| // Unimplemented contstructors and operators |
| // ----------------------------------------------------------------------- |
| XPathScannerForSchema(const XPathScannerForSchema& other); |
| XPathScannerForSchema& operator= (const XPathScannerForSchema& other); |
| }; |
| |
| // --------------------------------------------------------------------------- |
| // XercesLocationPath: Access methods |
| // --------------------------------------------------------------------------- |
| inline unsigned int XercesLocationPath::getStepSize() const { |
| |
| if (fSteps) |
| return fSteps->size(); |
| |
| return 0; |
| } |
| |
| inline void XercesLocationPath::addStep(XercesStep* const aStep) { |
| |
| fSteps->addElement(aStep); |
| } |
| |
| inline XercesStep* XercesLocationPath::getStep(const unsigned int index) const { |
| |
| if (fSteps) |
| return fSteps->elementAt(index); |
| |
| return 0; |
| } |
| |
| // --------------------------------------------------------------------------- |
| // XercesScanner: Helper methods |
| // --------------------------------------------------------------------------- |
| inline void XPathScanner::addToken(ValueVectorOf<int>* const tokens, |
| const int aToken) { |
| tokens->addElement(aToken); |
| } |
| |
| |
| // --------------------------------------------------------------------------- |
| // XercesXPath: Getter methods |
| // --------------------------------------------------------------------------- |
| inline RefVectorOf<XercesLocationPath>* XercesXPath::getLocationPaths() const { |
| |
| return fLocationPaths; |
| } |
| |
| inline XMLCh* XercesXPath::getExpression() { |
| return fExpression; |
| } |
| |
| XERCES_CPP_NAMESPACE_END |
| |
| #endif |
| |
| /** |
| * End of file XercesPath.hpp |
| */ |
| |
