| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 1999 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xerces" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache\@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation, and was |
| * originally based on software copyright (c) 1999, International |
| * Business Machines, Inc., http://www.ibm.com . For more information |
| * on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| /** |
| * $Log$ |
| * Revision 1.1 1999/11/09 01:03:35 twl |
| * Initial revision |
| * |
| * Revision 1.4 1999/11/08 20:45:40 rahul |
| * Swat for adding in Product name and CVS comment log variable. |
| * |
| */ |
| |
| |
| // --------------------------------------------------------------------------- |
| // Includes |
| // --------------------------------------------------------------------------- |
| #include <util/Janitor.hpp> |
| #include <util/XMLMsgLoader.hpp> |
| #include <util/XMLUni.hpp> |
| #include <internal/ReaderMgr.hpp> |
| #include <internal/XMLScanner.hpp> |
| #include <framework/XMLBuffer.hpp> |
| #include <framework/XMLContentModel.hpp> |
| #include <framework/XMLElementDecl.hpp> |
| #include <framework/XMLEntityDecl.hpp> |
| #include <framework/XMLNotationDecl.hpp> |
| #include <validators/DTD/DTDValidator.hpp> |
| #include <validators/DTD/DocTypeHandler.hpp> |
| |
| |
| // --------------------------------------------------------------------------- |
| // Local const data |
| // |
| // These are the text for the require char refs that must always be present. |
| // We init these into the entity pool upon construction. |
| // --------------------------------------------------------------------------- |
| static const XMLCh gAmp[] = { chLatin_a, chLatin_m, chLatin_p, chNull }; |
| static const XMLCh gLT[] = { chLatin_l, chLatin_t, chNull }; |
| static const XMLCh gGT[] = { chLatin_g, chLatin_t, chNull }; |
| static const XMLCh gQuot[] = { chLatin_q, chLatin_u, chLatin_o, chLatin_t, chNull }; |
| static const XMLCh gApos[] = { chLatin_a, chLatin_p, chLatin_o, chLatin_s, chNull }; |
| |
| |
| |
| // --------------------------------------------------------------------------- |
| // Local methods |
| // --------------------------------------------------------------------------- |
| |
| // |
| // This method is called when we get a notation or enumeration type attribute |
| // to validate. We have to confirm that the passed value to find is one of |
| // the values in the passed list. The list is a space separated string of |
| // values to match against. |
| // |
| static bool isInList(const XMLCh* const toFind, const XMLCh* const enumList) |
| { |
| // |
| // We loop through the values in the list via this outer loop. We end |
| // when we hit the end of the enum list or get a match. |
| // |
| const XMLCh* listPtr = enumList; |
| const unsigned int findLen = XMLString::stringLen(toFind); |
| while (*listPtr) |
| { |
| unsigned int testInd; |
| for (testInd = 0; testInd < findLen; testInd++) |
| { |
| // |
| // If they don't match, then reset and try again. Note that |
| // hitting the end of the current item will cause a mismatch |
| // because there can be no spaces in the toFind string. |
| // |
| if (listPtr[testInd] != toFind[testInd]) |
| break; |
| } |
| |
| // |
| // If we went the distance, see if we matched. If we did, the current |
| // list character has to be null or space. |
| // |
| if (testInd == findLen) |
| { |
| if ((listPtr[testInd] == chSpace) || !listPtr[testInd]) |
| return true; |
| } |
| |
| // Run the list pointer up to the next substring |
| while ((*listPtr != chSpace) && *listPtr) |
| listPtr++; |
| |
| // If we hit the end, then we failed |
| if (!*listPtr) |
| return false; |
| |
| // Else move past the space and try again |
| listPtr++; |
| } |
| |
| // We never found it |
| return false; |
| } |
| |
| |
| |
| // --------------------------------------------------------------------------- |
| // DTDValidator: Constructors and Destructor |
| // --------------------------------------------------------------------------- |
| DTDValidator::DTDValidator(XMLErrorReporter* const errReporter) : |
| |
| XMLValidator(errReporter) |
| , fDocTypeHandler(0) |
| , fDumAttDef(0) |
| , fDumElemDecl(0) |
| , fDumEntityDecl(0) |
| , fElemDeclPool(0) |
| , fEntityDeclPool(0) |
| , fInternalSubset(false) |
| , fNextAttrId(1) |
| , fNotationDeclPool(0) |
| , fPEntityDeclPool(0) |
| , fRootElemId(XMLElementDecl::fgInvalidElemId) |
| { |
| // |
| // Init all the pool members. |
| // |
| // <TBD> Investigate what the optimum values would be for the various |
| // pools. |
| // |
| fElemDeclPool = new NameIdPool<DTDElementDecl>(109); |
| fEntityDeclPool = new NameIdPool<DTDEntityDecl>(109); |
| fNotationDeclPool = new NameIdPool<XMLNotationDecl>(109); |
| fPEntityDeclPool = new NameIdPool<DTDEntityDecl>(109); |
| |
| // |
| // Call our own reset method. This lets us have the pool setup stuff |
| // done in just one place (because this stame setup stuff has to be |
| // done every time we are reset.) |
| // |
| reset(); |
| } |
| |
| DTDValidator::~DTDValidator() |
| { |
| delete fDumAttDef; |
| delete fDumElemDecl; |
| delete fDumEntityDecl; |
| delete fElemDeclPool; |
| delete fEntityDeclPool; |
| delete fNotationDeclPool; |
| delete fPEntityDeclPool; |
| } |
| |
| |
| // --------------------------------------------------------------------------- |
| // DTDValidator: Pool manipulation methods |
| // --------------------------------------------------------------------------- |
| unsigned int DTDValidator::findElemId(const XMLCh* const qName) const |
| { |
| // Look up this name in the element decl pool |
| const DTDElementDecl* decl = fElemDeclPool->getByKey(qName); |
| if (!decl) |
| return XMLElementDecl::fgInvalidElemId; |
| return decl->getId(); |
| } |
| |
| |
| // --------------------------------------------------------------------------- |
| // DTDValidator: Implementation of the XMLValidator interface |
| // --------------------------------------------------------------------------- |
| int DTDValidator::addOrFindNSId(const XMLCh* const uriText) |
| { |
| return fURIStringPool.addOrFind(uriText); |
| } |
| |
| |
| int DTDValidator::checkContent( const unsigned int elemId |
| , const unsigned int* childIds |
| , const unsigned int childCount) |
| { |
| // |
| // Look up the element id in our element decl pool. This will get us |
| // the element decl in our own way of looking at them. |
| // |
| DTDElementDecl* elemDecl = fElemDeclPool->getById(elemId); |
| if (!elemDecl) |
| ThrowXML(RuntimeException, XML4CExcepts::Val_InvalidElemId); |
| |
| // |
| // Get the content spec type of this element. This will tell us what |
| // to do to validate it. |
| // |
| const DTDElementDecl::ModelTypes modelType = elemDecl->getModelType(); |
| |
| if (modelType == DTDElementDecl::Empty) |
| { |
| // |
| // We can do this one here. It cannot have any children. If it does |
| // we return 0 as the index of the first bad child. |
| // |
| if (childCount) |
| return 0; |
| } |
| else if (modelType == DTDElementDecl::Any) |
| { |
| // We pass no judgement on this one, anything goes |
| } |
| else if ((modelType == DTDElementDecl::Mixed) |
| || (modelType == DTDElementDecl::Children)) |
| { |
| // Get the element's content model or fault it in |
| const XMLContentModel* elemCM = elemDecl->getContentModel(); |
| |
| // Ask it to validate and return its return |
| return elemCM->validateContent(childIds, childCount); |
| } |
| else |
| { |
| ThrowXML(RuntimeException, XML4CExcepts::CM_UnknownCMType); |
| } |
| |
| // Went ok, so return success |
| return XMLValidator::Success; |
| } |
| |
| |
| bool DTDValidator::checkRootElement(const unsigned int elemId) |
| { |
| // |
| // If the root element was never set, then there was never a DOCTYPE. So |
| // we just return false. |
| // |
| if (fRootElemId == XMLElementDecl::fgInvalidElemId) |
| return false; |
| |
| // Else return true if our stored root element is the same as the passed one |
| return (elemId == fRootElemId); |
| } |
| |
| |
| void DTDValidator::faultInAttr(XMLAttr& toFill, const XMLAttDef& attDef) const |
| { |
| // |
| // At this level, we cannot set the URI id. So we just set it to zero |
| // and leave it at that. The scanner, who called us, will look at the |
| // prefix we stored (if any), resolve it, and store the URL id if any. |
| // |
| const XMLCh* fullName = attDef.getFullName(); |
| const int colonInd = XMLString::indexOf(fullName, chColon); |
| if (colonInd == -1) |
| { |
| // There is no prefix, so we just do a simple and quick setting |
| toFill.set |
| ( |
| 0 |
| , fullName |
| , XMLUni::fgZeroLenString |
| , attDef.getValue() |
| , attDef.getType() |
| ); |
| } |
| else |
| { |
| // |
| // There is a colon, so we have to split apart the name and prefix |
| // part. |
| // |
| XMLBuffer bufTmp; |
| XMLCh* tmpNameBuf = XMLString::replicate(fullName); |
| ArrayJanitor<XMLCh> janNameBuf(tmpNameBuf); |
| |
| // Put a null where the colon is, to split it into two strings |
| tmpNameBuf[colonInd] = chNull; |
| |
| // |
| // And now we can set the attribute object with the prefix and name |
| // parts. |
| // |
| toFill.set |
| ( |
| 0 |
| , &tmpNameBuf[colonInd+1] |
| , tmpNameBuf |
| , attDef.getValue() |
| , attDef.getType() |
| ); |
| } |
| } |
| |
| |
| const XMLElementDecl* |
| DTDValidator::findElemDecl( const unsigned int uriId |
| , const XMLCh* const baseName |
| , const XMLCh* const qName |
| , const LookupOpts options |
| , bool& wasAdded) const |
| { |
| // See it it exists |
| DTDElementDecl* retVal = fElemDeclPool->getByKey(qName); |
| |
| // If not, and they want us to add it, then fault one in |
| if (!retVal && (options == XMLValidator::AddIfNotFound)) |
| { |
| retVal = new DTDElementDecl(qName, DTDElementDecl::Any); |
| const unsigned int elemId = fElemDeclPool->put(retVal); |
| retVal->setId(elemId); |
| wasAdded = true; |
| } |
| else |
| { |
| wasAdded = false; |
| } |
| return retVal; |
| } |
| |
| |
| XMLElementDecl* |
| DTDValidator::findElemDecl( const unsigned int uriId |
| , const XMLCh* const baseName |
| , const XMLCh* const qName |
| , const LookupOpts options |
| , bool& wasAdded) |
| { |
| // See it it exists |
| DTDElementDecl* retVal = fElemDeclPool->getByKey(qName); |
| |
| // If not, and they want us to add it, then fault one in |
| if (!retVal && (options == XMLValidator::AddIfNotFound)) |
| { |
| retVal = new DTDElementDecl(qName, DTDElementDecl::Any); |
| const unsigned int elemId = fElemDeclPool->put(retVal); |
| retVal->setId(elemId); |
| wasAdded = true; |
| } |
| else |
| { |
| wasAdded = false; |
| } |
| return retVal; |
| } |
| |
| |
| const XMLEntityDecl* |
| DTDValidator::findEntityDecl(const XMLCh* const entName |
| , const bool isPE) const |
| { |
| if (isPE) |
| return fPEntityDeclPool->getByKey(entName); |
| return fEntityDeclPool->getByKey(entName); |
| } |
| |
| |
| XMLEntityDecl* DTDValidator::findEntityDecl(const XMLCh* const entName |
| , const bool isPE) |
| { |
| if (isPE) |
| return fPEntityDeclPool->getByKey(entName); |
| return fEntityDeclPool->getByKey(entName); |
| } |
| |
| |
| unsigned int |
| DTDValidator::findElemId(const unsigned int uriId |
| , const XMLCh* const baseName |
| , const XMLCh* const qName) const |
| { |
| // |
| // In this case, we don't return zero to mean 'not found', so we have to |
| // map it to the official not found value if we don't find it. |
| // |
| const DTDElementDecl* decl = fElemDeclPool->getByKey(qName); |
| if (!decl) |
| return XMLElementDecl::fgInvalidElemId; |
| return decl->getId(); |
| } |
| |
| |
| const XMLNotationDecl* |
| DTDValidator::findNotationDecl(const XMLCh* const notName) const |
| { |
| return fNotationDeclPool->getByKey(notName); |
| } |
| |
| |
| XMLNotationDecl* DTDValidator::findNotationDecl(const XMLCh* const notName) |
| { |
| return fNotationDeclPool->getByKey(notName); |
| } |
| |
| |
| unsigned int DTDValidator::findNSId(const XMLCh* const uriText) const |
| { |
| // |
| // Look up the id for this one. It returns zero if not found, which is |
| // what we want to return. |
| // |
| return fURIStringPool.getId(uriText); |
| } |
| |
| |
| const XMLElementDecl* DTDValidator::getElemDecl(const unsigned int elemId) const |
| { |
| // Look up this element decl by id |
| return fElemDeclPool->getById(elemId); |
| } |
| |
| |
| XMLElementDecl* DTDValidator::getElemDecl(const unsigned int elemId) |
| { |
| // Look up this element decl by id |
| return fElemDeclPool->getById(elemId); |
| } |
| |
| |
| bool DTDValidator::getURIText( const unsigned int uriId |
| , XMLBuffer& uriBufToFill) const |
| { |
| // Look up the URI in the string pool and return its id |
| const XMLCh* value = fURIStringPool.getValueForId(uriId); |
| if (!value) |
| return false; |
| |
| uriBufToFill.set(value); |
| return true; |
| } |
| |
| |
| void DTDValidator::postParseValidation() |
| { |
| // |
| // At this time, there is nothing to do here. The scanner itself handles |
| // ID/IDREF validation, since that is the same no matter what kind of |
| // validator. |
| // |
| } |
| |
| |
| void DTDValidator::reset() |
| { |
| // |
| // We need to reset all of the pools and a couple of the other members. |
| // The other stuff is not sensitive across uses of the validator. |
| // |
| fElemDeclPool->removeAll(); |
| fEntityDeclPool->removeAll(); |
| fInternalSubset = false; |
| fNotationDeclPool->removeAll(); |
| fPEntityDeclPool->removeAll(); |
| fURIStringPool.flushAll(); |
| fRootElemId = XMLElementDecl::fgInvalidElemId; |
| |
| // If there is a doc type handler, reset it |
| if (fDocTypeHandler) |
| fDocTypeHandler->resetDocType(); |
| |
| // |
| // Add some special URIs to the URI string pool. These represent special |
| // URIs that are predefined and don't come from the user data. We pass |
| // the ids to our base class who will store them and make them available |
| // to client code. |
| // |
| setBaseFields |
| ( |
| fURIStringPool.addOrFind(XMLUni::fgZeroLenString) |
| , fURIStringPool.addOrFind(XMLUni::fgGlobalNSURIName) |
| , fURIStringPool.addOrFind(XMLUni::fgUnknownURIName) |
| , fURIStringPool.addOrFind(XMLUni::fgXMLURIName) |
| , fURIStringPool.addOrFind(XMLUni::fgXMLNSURIName) |
| ); |
| |
| // |
| // Add the default entity entries for the character refs that must always |
| // be present. We indicate that they are from the internal subset. They |
| // aren't really, but they have to look that way so that they are still |
| // valid for use within a standalone document. |
| // |
| // We also mark them as special char entities, which allows them to be |
| // used in places whether other non-numeric general entities cannot. |
| // |
| fEntityDeclPool->put(new DTDEntityDecl(gAmp, chAmpersand, true, true)); |
| fEntityDeclPool->put(new DTDEntityDecl(gLT, chOpenAngle, true, true)); |
| fEntityDeclPool->put(new DTDEntityDecl(gGT, chCloseAngle, true, true)); |
| fEntityDeclPool->put(new DTDEntityDecl(gQuot, chDoubleQuote, true, true)); |
| fEntityDeclPool->put(new DTDEntityDecl(gApos, chSingleQuote, true, true)); |
| } |
| |
| |
| bool DTDValidator::requiresNamespaces() const |
| { |
| // Namespaces are optional for DTDs |
| return false; |
| } |
| |
| |
| void |
| DTDValidator::validateAttrValue(const XMLAttDef& attDef |
| , const XMLCh* const attrValue) |
| { |
| // |
| // Get quick refs to lost of of the stuff in the passed objects in |
| // order to simplify the code below, which will reference them very |
| // often. |
| // |
| const XMLAttDef::AttTypes type = attDef.getType(); |
| const XMLAttDef::DefAttTypes defType = attDef.getDefaultType(); |
| const XMLCh* const valueText = attDef.getValue(); |
| const XMLCh* const fullName = attDef.getFullName(); |
| const XMLCh* const enumList = attDef.getEnumeration(); |
| |
| // |
| // If the default type is fixed, then make sure the passed value maps |
| // to the fixed value. |
| // |
| if (defType == XMLAttDef::Fixed) |
| { |
| if (XMLString::compareString(attrValue, valueText)) |
| emitError(XML4CValid::NotSameAsFixedValue, fullName); |
| } |
| |
| // |
| // If its a CDATA attribute, then we are done with any DTD level |
| // validation else do the rest. |
| // |
| if (type == XMLAttDef::CData) |
| return; |
| |
| // An empty string cannot be valid for any of the other types |
| if (!attrValue[0]) |
| emitError(XML4CValid::InvalidEmptyAttValue, fullName); |
| |
| // See whether we are doing multiple values or not |
| const bool multipleValues = |
| ( |
| (type == XMLAttDef::IDRefs) |
| || (type == XMLAttDef::Entities) |
| || (type == XMLAttDef::NmTokens) |
| || (type == XMLAttDef::Notation) |
| || (type == XMLAttDef::Enumeration) |
| ); |
| |
| // And whether we must check for a first name char |
| const bool firstNameChar = |
| ( |
| (type == XMLAttDef::ID) |
| || (type == XMLAttDef::IDRef) |
| || (type == XMLAttDef::IDRefs) |
| || (type == XMLAttDef::Entity) |
| || (type == XMLAttDef::Entities) |
| || (type == XMLAttDef::Notation) |
| ); |
| |
| // Whether it requires ref checking stuff |
| const bool isARefType |
| ( |
| (type == XMLAttDef::ID) |
| || (type == XMLAttDef::IDRef) |
| || (type == XMLAttDef::IDRefs) |
| ); |
| |
| // Some trigger flags to avoid issuing redundant errors and whatnot |
| bool sawOneValue; |
| bool alreadyCapped = false; |
| |
| // |
| // Make a copy of the text that we can mangle and get a pointer we can |
| // move through the value |
| // |
| XMLCh* pszTmpVal = XMLString::replicate(attrValue); |
| ArrayJanitor<XMLCh> janTmpVal(pszTmpVal); |
| XMLCh* valPtr = pszTmpVal; |
| |
| while (true) |
| { |
| // Reset the trigger flags |
| sawOneValue = false; |
| |
| // |
| // Make sure the first character is a valid first name char, i.e. |
| // if its a Name value. For NmToken values we don't treat the first |
| // char any differently. |
| // |
| if (firstNameChar) |
| { |
| // If its not, emit and error but try to keep going |
| if (!XMLReader::isFirstNameChar(*valPtr)) |
| emitError(XML4CValid::AttrValNotName, fullName); |
| valPtr++; |
| } |
| |
| // Make sure all the remaining chars are valid name chars |
| while (*valPtr) |
| { |
| // |
| // If we hit a whitespace, its either a break between two |
| // or more values, or an error if we have a single value. |
| // |
| if (XMLReader::isWhitespace(*valPtr)) |
| { |
| if (!multipleValues) |
| { |
| emitError(XML4CValid::NoMultipleValues, fullName); |
| return; |
| } |
| break; |
| } |
| |
| if (!XMLReader::isNameChar(*valPtr)) |
| { |
| emitError(XML4CValid::AttrValNotName, fullName); |
| return; |
| } |
| valPtr++; |
| } |
| |
| // |
| // Cap it off at the current non-name char. If already capped, |
| // then remember this. |
| // |
| if (!(*valPtr)) |
| alreadyCapped = true; |
| *valPtr = 0; |
| |
| // |
| // If this type of attribute requires that we track reference |
| // stuff, then handle that. |
| // |
| if (isARefType) |
| { |
| if ((type == XMLAttDef::ID) |
| || (type == XMLAttDef::IDRef) |
| || (type == XMLAttDef::IDRefs)) |
| { |
| XMLRefInfo* find = getScanner()->getIDRefList().get(pszTmpVal); |
| if (find) |
| { |
| if (find->getDeclared() && (type == XMLAttDef::ID)) |
| emitError(XML4CValid::ReusedIDValue, pszTmpVal); |
| } |
| else |
| { |
| find = new XMLRefInfo(pszTmpVal); |
| getScanner()->getIDRefList().put(find); |
| } |
| |
| // |
| // Mark it declared or used, which might be redundant in some cases |
| // but not worth checking |
| // |
| if (type == XMLAttDef::ID) |
| find->setDeclared(true); |
| else |
| find->setUsed(true); |
| } |
| } |
| else if ((type == XMLAttDef::Entity) || (type == XMLAttDef::Entities)) |
| { |
| // |
| // If its refering to a entity, then look up the name in the |
| // general entity pool. If not there, then its an error. If its |
| // not an external unparsed entity, then its an error. |
| // |
| const XMLEntityDecl* decl = findEntityDecl(pszTmpVal, false); |
| if (decl) |
| { |
| if (!decl->isUnparsed()) |
| emitError(XML4CValid::BadEntityRefAttr, fullName); |
| } |
| else |
| { |
| emitError |
| ( |
| XML4CValid::UnknownEntityRefAttr |
| , fullName |
| , pszTmpVal |
| ); |
| } |
| } |
| else if ((type == XMLAttDef::Notation) || (type == XMLAttDef::Enumeration)) |
| { |
| // |
| // Make sure that this value maps to one of the enumeration or |
| // notation values in the enumList parameter. We don't have to |
| // look it up in the notation pool (if a notation) because we |
| // will look up the enumerated values themselves. If they are in |
| // the notation pool (after the DTD is parsed), then obviously |
| // this value will be legal since it matches one of them. |
| // |
| if (!isInList(pszTmpVal, enumList)) |
| emitError(XML4CValid::DoesNotMatchEnumList, fullName); |
| } |
| |
| // If not doing multiple values, then we are done |
| if (!multipleValues) |
| break; |
| |
| // |
| // If we are at the end, then break out now, else move up to the |
| // next char and update the base pointer. |
| // |
| if (alreadyCapped) |
| break; |
| |
| valPtr++; |
| pszTmpVal = valPtr; |
| } |
| |
| } |
| |
| |
| // --------------------------------------------------------------------------- |
| // DTDValidator: DTD handler interface. |
| // --------------------------------------------------------------------------- |
| void DTDValidator::scanDTD(const bool reuseValidator) |
| { |
| // |
| // And now call out to the DTDValidator2.cpp file to do the actual |
| // scanning. When we get back, we will be through the internal and |
| // external subsets. |
| // |
| scanDocTypeDecl(reuseValidator); |
| |
| // If validating, then do the pre-content validation |
| if (getScanner()->getDoValidation()) |
| { |
| // |
| // Lets enumerate all of the elements in the element decl pool |
| // and put out an error for any that did not get declared. |
| // We also check all of the attributes as well. |
| // |
| NameIdPoolEnumerator<DTDElementDecl> elemEnum(fElemDeclPool); |
| while (elemEnum.hasMoreElements()) |
| { |
| const DTDElementDecl& curElem = elemEnum.nextElement(); |
| const DTDElementDecl::CreateReasons reason = curElem.getCreateReason(); |
| |
| // |
| // See if this element decl was ever marked as declared. If |
| // not, then put out an error. In some cases its just |
| // a warning, such as being referenced in a content model. |
| // |
| if (reason != XMLElementDecl::Declared) |
| { |
| if (reason == XMLElementDecl::AttList) |
| { |
| getScanner()->emitError |
| ( |
| XML4CErrs::UndeclaredElemInAttList |
| , curElem.getFullName() |
| ); |
| } |
| else if (reason == XMLElementDecl::AsRootElem) |
| { |
| emitError |
| ( |
| XML4CValid::UndeclaredElemInDocType |
| , curElem.getFullName() |
| ); |
| } |
| else if (reason == XMLElementDecl::InContentModel) |
| { |
| getScanner()->emitError |
| ( |
| XML4CErrs::UndeclaredElemInCM |
| , curElem.getFullName() |
| ); |
| } |
| else |
| { |
| #if defined(XML4C_DEBUG) |
| // <TBD> Should throw here |
| #endif |
| } |
| } |
| |
| // |
| // Check all of the attributes of the current element. |
| // We check for: |
| // |
| // 1) Multiple ID attributes |
| // 2) That all of the default values of attributes are |
| // valid for their type. |
| // 3) That for any notation types, that their lists |
| // of possible values refer to declared notations. |
| // |
| XMLAttDefList& attDefList = curElem.getAttDefList(); |
| bool seenId = false; |
| while (attDefList.hasMoreElements()) |
| { |
| const XMLAttDef& curAttDef = attDefList.nextElement(); |
| |
| if (curAttDef.getType() == XMLAttDef::ID) |
| { |
| if (seenId) |
| { |
| emitError |
| ( |
| XML4CValid::MultipleIdAttrs |
| , curElem.getFullName() |
| ); |
| break; |
| } |
| |
| seenId = true; |
| } |
| else if (curAttDef.getType() == XMLAttDef::Notation) |
| { |
| // |
| // We need to verify that all of its possible values |
| // (in the enum list) refer to valid notations. |
| // |
| XMLCh* list = XMLString::replicate(curAttDef.getEnumeration()); |
| ArrayJanitor<XMLCh> janList(list); |
| |
| // |
| // Search forward for a space or a null. If a null, |
| // we are done. If a space, cap it and look it up. |
| // |
| bool breakFlag = false; |
| XMLCh* listPtr = list; |
| XMLCh* lastPtr = listPtr; |
| while (true) |
| { |
| while (*listPtr && (*listPtr != chSpace)) |
| listPtr++; |
| |
| // |
| // If at the end, indicate we need to break after |
| // this one. Else, cap it off here. |
| // |
| if (!*listPtr) |
| breakFlag = true; |
| else |
| *listPtr = chNull; |
| |
| if (!fNotationDeclPool->getByKey(lastPtr)) |
| { |
| emitError |
| ( |
| XML4CValid::UnknownNotRefAttr |
| , curAttDef.getFullName() |
| , lastPtr |
| ); |
| } |
| |
| // Break out if we hit the end last time |
| if (breakFlag) |
| break; |
| |
| // Else move upwards and try again |
| listPtr++; |
| lastPtr = listPtr; |
| } |
| } |
| |
| // If it has a default/fixed value, then validate it |
| if (curAttDef.getValue()) |
| { |
| validateAttrValue |
| ( |
| curAttDef |
| , curAttDef.getValue() |
| ); |
| } |
| } |
| } |
| |
| // |
| // And enumerate all of the general entities. If any of them |
| // reference a notation, then make sure the notation exists. |
| // |
| NameIdPoolEnumerator<DTDEntityDecl> entEnum(fEntityDeclPool); |
| while (entEnum.hasMoreElements()) |
| { |
| const DTDEntityDecl& curEntity = entEnum.nextElement(); |
| |
| if (!curEntity.getNotationName()) |
| continue; |
| |
| // It has a notation name, so look it up |
| if (!fNotationDeclPool->getByKey(curEntity.getNotationName())) |
| { |
| emitError |
| ( |
| XML4CValid::NotationNotDeclared |
| , curEntity.getNotationName() |
| ); |
| } |
| } |
| } |
| } |
| |
