diff options
Diffstat (limited to 'bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/DTDScanner.java')
| -rw-r--r-- | bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/DTDScanner.java | 1126 |
1 files changed, 0 insertions, 1126 deletions
diff --git a/bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/DTDScanner.java b/bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/DTDScanner.java deleted file mode 100644 index 7027058659..0000000000 --- a/bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/DTDScanner.java +++ /dev/null @@ -1,1126 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ - -package org.eclipse.wst.dtd.core.internal.saxparser; - -import java.util.Vector; - -/** - * Scanning / parsing the content string from the Decl statement - * - * @version - */ -public class DTDScanner { - // element content model strings - private static final char[] empty_string = {'E', 'M', 'P', 'T', 'Y'}; - private static final char[] any_string = {'A', 'N', 'Y'}; - private static final char[] pcdata_string = {'#', 'P', 'C', 'D', 'A', 'T', 'A'}; - - // attribute type and default type strings - private static final char[] cdata_string = {'C', 'D', 'A', 'T', 'A'}; - private static final char[] id_string = {'I', 'D'}; - private static final char[] ref_string = {'R', 'E', 'F'}; - private static final char[] entit_string = {'E', 'N', 'T', 'I', 'T'}; - private static final char[] ies_string = {'I', 'E', 'S'}; - private static final char[] nmtoken_string = {'N', 'M', 'T', 'O', 'K', 'E', 'N'}; - private static final char[] notation_string = {'N', 'O', 'T', 'A', 'T', 'I', 'O', 'N'}; - private static final char[] required_string = {'#', 'R', 'E', 'Q', 'U', 'I', 'R', 'E', 'D'}; - private static final char[] implied_string = {'#', 'I', 'M', 'P', 'L', 'I', 'E', 'D'}; - private static final char[] fixed_string = {'#', 'F', 'I', 'X', 'E', 'D'}; - - private static final char[] system_string = {'S', 'Y', 'S', 'T', 'E', 'M'}; - private static final char[] public_string = {'P', 'U', 'B', 'L', 'I', 'C'}; - private static final char[] ndata_string = {'N', 'D', 'A', 'T', 'A'}; - - private int[] fOpStack = null; - private CMGroupNode[] fGrpStack = null; - - private EntityPool entityPool; - - /* Attribute Def scanner state */ - static final int Att_Scanner_State_Name = 1, Att_Scanner_State_Type = 2, Att_Scanner_State_DefaultType = 3, Att_Scanner_State_DefaultValue = 4; - - private StringParser contentString; - private String cData; - private int prevNodeOffset = 0; - private int nodeOffset = 1; - private String ownerDTD; - - private String errorString; - - public DTDScanner(String ownerDTD, String cm) { - // System.out.println("Cm: " + cm); - contentString = new StringParser(cm); - cData = cm; - this.ownerDTD = ownerDTD; - } - - // - // [46] contentspec ::= 'EMPTY' | 'ANY' | Mixed | children - // - // Specific to VisualDTD : also allows %PEReference; - // - public CMNode scanContentModel() { - CMNode cmNode = null; - contentString.skipPastSpaces(); - if (contentString.skippedString(empty_string)) { - cmNode = new CMBasicNode("EMPTY", CMNodeType.EMPTY); //$NON-NLS-1$ - } - else if (contentString.skippedString(any_string)) { - cmNode = new CMBasicNode("ANY", CMNodeType.ANY); //$NON-NLS-1$ - } - else if (contentString.lookingAtChar('%', true)) { - cmNode = new CMReferenceNode(contentString.getData(), CMNodeType.ENTITY_REFERENCE); - } - else if (!contentString.lookingAtChar('(', true)) { - // This means that the contentmodel string is bad... - // System.out.println("!!! exception - no ("); - return cmNode; - } - else { - // System.out.println("Remaining String = " + - // contentString.getRemainingString()); - - contentString.skipPastSpaces(); - boolean skippedPCDATA = contentString.skippedString(pcdata_string); - if (skippedPCDATA) { - cmNode = scanMixed(); - } - else { - cmNode = scanChildren(); - } - - } - return cmNode; - } - - // - // [51] Mixed ::= '(' S? '#PCDATA' (S? '|' S? Name)* S? ')*' | '(' S? - // '#PCDATA' S? ')' - // - // Called after scanning past '(' S? '#PCDATA' - // - private CMNode scanMixed() { - // System.out.println("ScanMixed..."); - CMGroupNode cmNode = new CMGroupNode(); - cmNode.setGroupKind(CMNodeType.GROUP_CHOICE); - cmNode.addChild(new CMBasicNode("#PCDATA", CMNodeType.PCDATA)); //$NON-NLS-1$ - - // int prevNodeIndex = -1; - boolean starRequired = false; - - - while (true) { - if (contentString.lookingAtSpace(true)) { - contentString.skipPastSpaces(); - } - prevNodeOffset = contentString.getCurrentOffset(); - - if (!contentString.lookingAtChar('|', true)) { - if (!contentString.lookingAtChar(')', true)) { - break; - } - if (contentString.lookingAtChar('*', true)) { - cmNode.setOccurrence(CMNodeType.ZERO_OR_MORE); - } - else if (starRequired) { - // System.out.println(" * is required ... "); - } - break; - } - - if (contentString.lookingAtSpace(true)) { - contentString.skipPastSpaces(); - } - - nodeOffset = contentString.getCurrentOffset(); - if (nodeOffset != -1) { - // skip pass "|" - prevNodeOffset = nodeOffset; - } - - starRequired = true; - contentString.skipPastNameAndPEReference(')'); - nodeOffset = contentString.getCurrentOffset(); - - if (nodeOffset == -1) - break; - - // add leave node - int len = nodeOffset - prevNodeOffset; - String refName = contentString.getString(prevNodeOffset, len); - prevNodeOffset = nodeOffset; - if (refName.startsWith("%")) //$NON-NLS-1$ - cmNode.addChild(new CMReferenceNode(refName, CMNodeType.ENTITY_REFERENCE)); - else - cmNode.addChild(new CMReferenceNode(refName, CMNodeType.ELEMENT_REFERENCE)); - - } // end while - - - if (cmNode.getChildren().size() == 1) { - // simplify the contentModel if the CMGroupNode only has one child - // node. - return (CMBasicNode) cmNode.getChildren().elementAt(0); - } - - return cmNode; - } - - // - // [47] children ::= (choice | seq) ('?' | '*' | '+')? - // [49] choice ::= '(' S? cp ( S? '|' S? cp )* S? ')' - // [50] seq ::= '(' S? cp ( S? ',' S? cp )* S? ')' - // [48] cp ::= (Name | choice | seq) ('?' | '*' | '+')? - // - // Called after scanning past '(' - - private CMNode scanChildren() { - - // System.out.println("scanChildren..."); - - if (contentString.lookingAtSpace(true)) { - contentString.skipPastSpaces(); - } - - prevNodeOffset = contentString.getCurrentOffset(); - nodeOffset = contentString.getCurrentOffset(); - int depth = 1; - initializeContentModelStack(depth); - int len; - - String nodeName; - CMGroupNode cmNode = new CMGroupNode(); - fGrpStack[depth] = cmNode; - - while (true) { - - // System.out.println(" Begin outter while loop ..." ); - if (contentString.lookingAtChar('(', true)) { - if (contentString.lookingAtSpace(true)) { - // skip past any white spaces after the '(' - contentString.skipPastSpaces(); - } - - depth++; - initializeContentModelStack(depth); - fGrpStack[depth] = new CMGroupNode(); - fGrpStack[depth - 1].addChild(fGrpStack[depth]); - continue; - } - - prevNodeOffset = contentString.getCurrentOffset(); - contentString.skipPastNameAndPEReference(')'); - nodeOffset = contentString.getCurrentOffset(); - - /* - * System.out.println(" prevNodeOFfset " + prevNodeOffset); - * System.out.println(" currentNodeOFfset " + nodeOffset); - */ - - len = nodeOffset - prevNodeOffset; - - if (nodeOffset == -1 || len < 1) { - break; - } - - nodeName = contentString.getString(prevNodeOffset, len); - - CMRepeatableNode rn; - if (nodeName.startsWith("%")) { //$NON-NLS-1$ - rn = new CMReferenceNode(nodeName, CMNodeType.ENTITY_REFERENCE); - } - else { - rn = new CMReferenceNode(nodeName, CMNodeType.ELEMENT_REFERENCE); - } - - fGrpStack[depth].addChild(rn); - - prevNodeOffset = nodeOffset; - - if (contentString.lookingAtChar('?', true)) { - rn.setOccurrence(CMNodeType.OPTIONAL); - } - else if (contentString.lookingAtChar('*', true)) { - rn.setOccurrence(CMNodeType.ZERO_OR_MORE); - } - else if (contentString.lookingAtChar('+', true)) { - rn.setOccurrence(CMNodeType.ONE_OR_MORE); - } - - if (contentString.lookingAtSpace(true)) { - contentString.skipPastSpaces(); - } - - prevNodeOffset = contentString.getCurrentOffset(); - - while (true) { - // System.out.println(" Begin inner while loop ... depth " + - // depth ); - if (fOpStack[depth] != CMNodeType.GROUP_SEQUENCE && contentString.lookingAtChar('|', true)) { - fOpStack[depth] = CMNodeType.GROUP_CHOICE; - fGrpStack[depth].setGroupKind(CMNodeType.GROUP_CHOICE); - if (contentString.lookingAtSpace(true)) - contentString.skipPastSpaces(); - break; - } - else if (fOpStack[depth] != CMNodeType.GROUP_CHOICE && contentString.lookingAtChar(',', true)) { - fOpStack[depth] = CMNodeType.GROUP_SEQUENCE; - fGrpStack[depth].setGroupKind(CMNodeType.GROUP_SEQUENCE); - if (contentString.lookingAtSpace(true)) - contentString.skipPastSpaces(); - break; - } - else { - if (contentString.lookingAtSpace(true)) { - contentString.skipPastSpaces(); - } - if (!contentString.lookingAtChar(')', true)) { - // System.out.println(" error ) not found"); - } - // end of the curent group node - if (contentString.lookingAtChar('?', true)) { - fGrpStack[depth].setOccurrence(CMNodeType.OPTIONAL); - } - else if (contentString.lookingAtChar('*', true)) { - fGrpStack[depth].setOccurrence(CMNodeType.ZERO_OR_MORE); - } - else if (contentString.lookingAtChar('+', true)) { - fGrpStack[depth].setOccurrence(CMNodeType.ONE_OR_MORE); - } - depth--; - if (depth == 0) { - break; - } - if (contentString.lookingAtSpace(true)) - contentString.skipPastSpaces(); - - // System.out.println(" End end inner while loop ... depth - // " + depth ); - - } - } // inner while - - if (depth == 0) { - break; - } - } // outer while - - if (cmNode.getChildren().size() == 1) { - // simplify the contentModel if the CMGroupNode only has one child - // node and that node is an element ref. - CMRepeatableNode rn = (CMRepeatableNode) cmNode.getChildren().elementAt(0); - if (rn instanceof CMReferenceNode) { - CMReferenceNode ref = (CMReferenceNode) rn; - if (ref.getType() == CMNodeType.ELEMENT_REFERENCE) { - if (ref.getOccurrence() == CMNodeType.ONE) { - ref.setOccurrence(cmNode.getOccurrence()); - return ref; - } - else if (cmNode.getOccurrence() == CMNodeType.ONE) { - return ref; - } - } // end of if () - } - } - - return cmNode; - } - - // - // [52] AttlistDecl ::= '<!ATTLIST' S Name AttDef* S? '>' - // [53] AttDef ::= S Name S AttType S DefaultDecl - // [60] DefaultDecl ::= '#REQUIRED' | '#IMPLIED' | (('#FIXED' S)? - // AttValue) - // - - public Vector scanAttlistDecl(EntityPool entityPool) { - Vector attList = new Vector(); - this.entityPool = entityPool; - - int scannerState = Att_Scanner_State_Name; - - AttNode attNode; - - while (true) { - attNode = new AttNode(); - - // System.out.println(" scanner state: " + scannerState); - - // scanning att name - if (scannerState == Att_Scanner_State_Name) { - // System.out.println("scan att Name..."); - scannerState = checkForAttributeWithPEReference(attNode, scannerState); - if (scannerState == -1) { - return attList; - } - } - - // scanning att type - if (scannerState == Att_Scanner_State_Type) { - // System.out.println("scan att type..."); - - if (contentString.skippedString(cdata_string)) { - attNode.type = new String(cdata_string); - scannerState = Att_Scanner_State_DefaultType; - } - else if (contentString.skippedString(id_string)) { - if (!contentString.skippedString(ref_string)) { - attNode.type = new String(id_string); - } - else if (!contentString.lookingAtChar('S', true)) { - attNode.type = "IDREF"; //$NON-NLS-1$ - } - else { - attNode.type = "IDREFS"; //$NON-NLS-1$ - } - scannerState = Att_Scanner_State_DefaultType; - } - else if (contentString.skippedString(entit_string)) { - if (contentString.lookingAtChar('Y', true)) { - attNode.type = "ENTITY"; //$NON-NLS-1$ - } - else if (contentString.skippedString(ies_string)) { - attNode.type = "ENTITIES"; //$NON-NLS-1$ - } - scannerState = Att_Scanner_State_DefaultType; - } - else if (contentString.skippedString(nmtoken_string)) { - if (contentString.lookingAtChar('S', true)) { - attNode.type = "NMTOKENS"; //$NON-NLS-1$ - } - else { - attNode.type = "NMTOKEN"; //$NON-NLS-1$ - } - scannerState = Att_Scanner_State_DefaultType; - } - else if (contentString.skippedString(notation_string)) { - if (contentString.lookingAtSpace(true)) { - contentString.skipPastSpaces(); - } - if (!contentString.lookingAtChar('(', true)) { - System.out.println(" missing ( in notation "); //$NON-NLS-1$ - } - attNode.type = "NOTATION"; //$NON-NLS-1$ - attNode.enumList = scanEnumeration(contentString, true); - scannerState = Att_Scanner_State_DefaultType; - } - else if (contentString.lookingAtChar('(', true)) { - attNode.type = "ENUMERATION"; //$NON-NLS-1$ - attNode.enumList = scanEnumeration(contentString, false); - scannerState = Att_Scanner_State_DefaultType; - } - else { - scannerState = checkForAttributeWithPEReference(attNode, scannerState); - if (scannerState == Att_Scanner_State_Type) { - setErrorString("Failed to find type for attribute '" + attNode.name + "'. Please refer to the original DTD file."); //$NON-NLS-1$ //$NON-NLS-2$ - // we failed to find a type for this attribute - return attList; - } - } - } - - if (scannerState == Att_Scanner_State_DefaultType) { - contentString.skipPastSpaces(); - // System.out.println("scan default type..."); - if (contentString.skippedString(required_string)) { - attNode.defaultType = new String(required_string); - } - else if (contentString.skippedString(implied_string)) { - attNode.defaultType = new String(implied_string); - } - else { - if (contentString.skippedString(fixed_string)) { - contentString.skipPastSpaces(); - attNode.defaultType = new String(fixed_string); - } - else - // "default" - attNode.defaultType = "NOFIXED"; //$NON-NLS-1$ - - if (contentString.lookingAtSpace(true)) - contentString.skipPastSpaces(); - attNode.defaultValue = scanDefaultAttValue(contentString); - } - scannerState = Att_Scanner_State_Name; // next - } - - - attList.addElement(attNode); - if (contentString.lookingAtSpace(true)) - contentString.skipPastSpaces(); - nodeOffset = contentString.getCurrentOffset(); - - if (nodeOffset >= cData.length()) - return attList; - - prevNodeOffset = contentString.getCurrentOffset(); - - }// end while loop - } - - // - // content model stack - // - private void initializeContentModelStack(int depth) { - if (fOpStack == null) { - fOpStack = new int[8]; - fGrpStack = new CMGroupNode[8]; - } - else if (depth == fOpStack.length) { - int[] newStack = new int[depth * 2]; - System.arraycopy(fOpStack, 0, newStack, 0, depth); - fOpStack = newStack; - - CMGroupNode[] newGrpStack = new CMGroupNode[depth * 2]; - System.arraycopy(fGrpStack, 0, newGrpStack, 0, depth); - fGrpStack = newGrpStack; - } - fOpStack[depth] = -1; - fGrpStack[depth] = null; - } - - // - private int checkForAttributeWithPEReference(AttNode attNode, int scannerState) { - int state = -1; - int len; - String rawText; - EntityDecl pEntity; - - // System.out.println(" checkforATTPERReference- start scannerState: " - // + scannerState); - if (scannerState == Att_Scanner_State_Name) { - contentString.skipPastNameAndPEReference(' '); - nodeOffset = contentString.getCurrentOffset(); - len = nodeOffset - prevNodeOffset; - - rawText = contentString.getString(prevNodeOffset, len); - attNode.name = rawText; - - // System.out.println("State_name : " + rawText); - - if (rawText.startsWith("%") && rawText.endsWith(";")) { //$NON-NLS-1$ //$NON-NLS-2$ - String pe = rawText.substring(1, rawText.length() - 1); - - pEntity = entityPool.referPara(pe); - if (pEntity != null) { - // System.out.println(" name :" + rawText +" expandTo:" + - // pEntity.expandedValue); - state = whatIsTheNextAttributeScanningState(pEntity.expandedValue, scannerState); - // System.out.println("checkForAttrwithPER - nextstate: " - // + state); - } - else - state = Att_Scanner_State_Type; - } - else - state = Att_Scanner_State_Type; - - } - else if (scannerState == Att_Scanner_State_Type) { - if (contentString.lookingAtChar('%', true)) { - rawText = getPEName(); - attNode.type = "%" + rawText; //$NON-NLS-1$ - String peName = rawText.substring(0, rawText.length() - 1); - // System.out.println("State_type : pe- " + peName); - pEntity = entityPool.referPara(peName); - if (pEntity != null) { - state = whatIsTheNextAttributeScanningState(pEntity.expandedValue, scannerState); - } - else - state = Att_Scanner_State_DefaultType; - } - else - state = Att_Scanner_State_Type; - } - else if (scannerState == Att_Scanner_State_DefaultType) { - if (contentString.lookingAtChar('%', true)) { - rawText = getPEName(); - attNode.defaultType = rawText; - // System.out.println("State_defaultType : " + rawText); - pEntity = entityPool.referPara(rawText.substring(1, rawText.length() - 1)); - if (pEntity != null) { - state = whatIsTheNextAttributeScanningState(pEntity.expandedValue, scannerState); - } - else - state = Att_Scanner_State_DefaultValue; - } - else - state = Att_Scanner_State_DefaultType; - } - else if (scannerState == Att_Scanner_State_DefaultValue) { - if (contentString.lookingAtChar('%', true)) { - rawText = getPEName(); - attNode.defaultValue = rawText; - // System.out.println("State_defaultValue : " + rawText); - - pEntity = entityPool.referPara(rawText.substring(1, rawText.length() - 1)); - if (pEntity != null) { - state = whatIsTheNextAttributeScanningState(pEntity.expandedValue, scannerState); - } - else - state = Att_Scanner_State_DefaultValue; - } - else - state = Att_Scanner_State_DefaultValue; - } - - if (contentString.lookingAtSpace(true)) - contentString.skipPastSpaces(); - prevNodeOffset = contentString.getCurrentOffset(); - return state; - } - - private String getPEName() { - prevNodeOffset = contentString.getCurrentOffset(); - contentString.skipToChar(';', true); - nodeOffset = contentString.getCurrentOffset(); - int len = nodeOffset - prevNodeOffset; - return contentString.getString(prevNodeOffset, len); - } - - private int whatIsTheNextAttributeScanningState(String attrContentString, int currentState) { - StringParser sp = new StringParser(attrContentString.trim()); - - - int nextState = currentState; - int nOffset = 0; - - /* - * System.out.println("WhatistheNext AttContentStringt : " + - * attrContentString); System.out.println("WhatistheNext - * AttContentStringL : " + attrContentString.length()); - * System.out.println("WhatistheNext currentstate : " + currentState); - */ - - while (true) { - // System.out.println("WhatistheNext inside whil nextstate : " + - // nextState); - if (nextState == Att_Scanner_State_Name) { // the current - // scanning state is - // Attr Name, is the - // next part Attr Type - // ? - if (isAttrName(sp)) { - nextState = Att_Scanner_State_Type; - } - } - else if (nextState == Att_Scanner_State_Type) { // the current - // scanning state - // is Attr Type, - // is the next - // part Default - // Attr Type ? - - if (isAttrType(sp)) { - nextState = Att_Scanner_State_DefaultType; - } - else - System.out.println("WhatistheNext Attr Part - is not an Attr Type"); //$NON-NLS-1$ - - } - - if (nextState == Att_Scanner_State_DefaultType) { - - int dType = isAttrDefaultType(sp); - // System.out.println("WhatistheNext inside dType : " + - // dType); - if (dType == 1) // #REQUIRED or #IMPLIED - { - nextState = Att_Scanner_State_Name; - } - else { - if (dType == 2) // #FIXED - { - // need to look at this again - nextState = Att_Scanner_State_DefaultType; - } - - if (scanDefaultAttValue(sp) != null) { - nextState = Att_Scanner_State_Name; - - } - } - } - - sp.skipPastSpaces(); - - if (nOffset == sp.getCurrentOffset()) - break; - - nOffset = sp.getCurrentOffset(); - - if (nOffset >= attrContentString.length() || nOffset == -1) - break; - - } // end while - - return nextState; - } - - - private boolean isAttrName(StringParser sp) { - // System.out.println("isAttrName - sp:" + sp.fData); - // System.out.println("isAttrName - currentOffset:" + - // sp.getCurrentOffset()); - boolean isAttrName = false; - int prev = sp.getCurrentOffset(); - sp.skipPastName(' '); - if ((sp.getCurrentOffset() - prev) > 0) - isAttrName = true; - return isAttrName; - - } - - private boolean isAttrType(StringParser sp) { - // System.out.println("isAttrType - sp:" + sp.fData); - // System.out.println("isAttrType - currentOffset:" + - // sp.getCurrentOffset()); - boolean isAttrType = false; - if (sp.skippedString(cdata_string)) { - isAttrType = true; - } - else if (sp.skippedString(id_string)) { - if (!sp.skippedString(ref_string)) { - isAttrType = true; // ID - } - else if (!sp.lookingAtChar('S', true)) { - isAttrType = true; // IDREFS - } - else { - isAttrType = true; // IDREF - } - } - else if (sp.skippedString(entit_string)) { - if (sp.lookingAtChar('Y', true)) { - isAttrType = true; // ENTITY - } - else if (sp.skippedString(ies_string)) { - isAttrType = true; // ENTITITES - } - } - else if (sp.skippedString(nmtoken_string)) { - if (sp.lookingAtChar('S', true)) { - isAttrType = true; // NMTOKENS - } - else { - isAttrType = true; // NMTOKEN - } - } - else if (sp.skippedString(notation_string)) { - if (!sp.lookingAtChar('(', true)) { - // System.out.println(" missing ( in notation "); - } - Vector enumList = scanEnumeration(sp, true); - if (enumList == null || enumList.size() == 0) - isAttrType = false; - else - isAttrType = true; - } - else if (sp.lookingAtChar('(', true)) { - // "ENUMERATION"; - Vector enumList = scanEnumeration(sp, false); - if (enumList == null || enumList.size() == 0) - isAttrType = false; - else - isAttrType = true; - } - - return isAttrType; - - } - - /* - * return 0 - not default type 1 - #REQUIRED or #IMPLIED 2 - #FIXED - */ - - private int isAttrDefaultType(StringParser sp) { - // System.out.println("isAttrDefaultType - sp:" + sp.fData); - int result = 0; - if (sp.skippedString(required_string)) { - result = 1; - } - else if (sp.skippedString(implied_string)) { - result = 1; - } - else if (sp.skippedString(fixed_string)) { - result = 2; - } - return result; - } - - // - // [58] NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')' - // [59] Enumeration ::= '(' S? Nmtoken (S? '|' S? Nmtoken)* S? ')' - // - // Called after scanning '(' - // - private Vector scanEnumeration(StringParser sp, boolean isNotationType) { - // System.out.println(" scanEnum ..."); - Vector enumList = null; - int len; - - if (sp.lookingAtSpace(true)) - sp.skipPastSpaces(); - - int prevNodeOffset = sp.getCurrentOffset(); - int nodeOffset; - - String nodeName; - - while (true) { - - if (isNotationType) - sp.skipPastNameAndPEReference(')'); - else - sp.skipPastNmtokenAndPEReference(')'); - - nodeOffset = sp.getCurrentOffset(); - - if (nodeOffset == -1) { - return enumList; - } - - len = nodeOffset - prevNodeOffset; - nodeName = sp.getString(prevNodeOffset, len); - - if (enumList == null) - enumList = new Vector(); - - enumList.addElement(nodeName); - - if (sp.lookingAtSpace(true)) - sp.skipPastSpaces(); - - if (!sp.lookingAtChar('|', true)) { - if (!sp.lookingAtChar(')', true)) { - System.out.println("scanning enum values - error missing ')'"); //$NON-NLS-1$ - break; - } - break; - } - - if (sp.lookingAtSpace(true)) - sp.skipPastSpaces(); - - prevNodeOffset = sp.getCurrentOffset(); - } - return enumList; - } - - // - // [10] AttValue ::= '"' ([^<&"] | Reference)* '"' - // | "'" ([^<&'] | Reference)* "'" - // - /** - * Scan the default value in an attribute declaration - * - * @param elementType - * handle to the element that owns the attribute - * @param attrName - * handle in the string pool for the attribute name - * @return handle in the string pool for the default attribute value - * @exception java.lang.Exception - */ - public String scanDefaultAttValue(StringParser sp) { - String value = null; - // System.out.println("scan default ATT Value... sp:" + sp.fData); - - sp.skipPastSpaces(); - - boolean single; - if (!(single = sp.lookingAtChar('\'', true)) && !sp.lookingAtChar('\"', true)) { - return value; - } - - char qchar = single ? '\'' : '\"'; - int sOffset = sp.getCurrentOffset(); - sp.skipToChar(qchar, true); - int len = sp.getCurrentOffset() - sOffset - 1; - if (len == 0) - value = ""; //$NON-NLS-1$ - else - value = sp.getString(sOffset, len); - - return value; - } - - // - // [70] EntityDecl ::= GEDecl | PEDecl - // [71] GEDecl ::= '<!ENTITY' S Name S EntityDef S? '>' - // [72] PEDecl ::= '<!ENTITY' S '%' S Name S PEDef S? '>' - // [73] EntityDef ::= EntityValue | (ExternalID NDataDecl?) - // [74] PEDef ::= EntityValue | ExternalID - // [75] ExternalID ::= 'SYSTEM' S SystemLiteral - // | 'PUBLIC' S PubidLiteral S SystemLiteral - // [76] NDataDecl ::= S 'NDATA' S Name - // [9] EntityValue ::= '"' ([^%&"] | PEReference | Reference)* '"' - // | "'" ([^%&'] | PEReference | Reference)* "'" - // - // Called after scanning 'ENTITY' - // - public EntityDecl scanEntityDecl() { - prevNodeOffset = 1; - nodeOffset = 1; - int len; - boolean isPEDecl = false; - EntityDecl entityDecl = null; - - String name = null; - String ndata = null; - - if (contentString.lookingAtSpace(true)) { - contentString.skipPastSpaces(); - if (!contentString.lookingAtChar('%', true)) { - isPEDecl = false; // <!ENTITY x "x"> - } - else if (contentString.lookingAtSpace(true)) { - isPEDecl = true; // <!ENTITY % x "x"> - } - prevNodeOffset = contentString.getCurrentOffset(); - contentString.skipPastName(' '); - nodeOffset = contentString.getCurrentOffset(); - len = nodeOffset - prevNodeOffset; - if (len > 0) { - name = contentString.getString(prevNodeOffset, len); - prevNodeOffset = nodeOffset; - } - } - - if (name == null) - return null; - - contentString.skipPastSpaces(); - prevNodeOffset = contentString.getCurrentOffset(); - - boolean single; - if ((single = contentString.lookingAtChar('\'', true)) || contentString.lookingAtChar('\"', true)) { - String value = scanEntityValue(single); - entityDecl = new EntityDecl(name, ownerDTD, value, isPEDecl); - } - else { - // external entity - ExternalID xID = scanExternalID(); - if (xID != null) { - if (!isPEDecl) // general entity - { - boolean unparsed = false; - contentString.skipPastSpaces(); - unparsed = contentString.skippedString(ndata_string); - if (unparsed) { - contentString.skipPastSpaces(); - prevNodeOffset = contentString.getCurrentOffset(); - contentString.skipPastName(' '); - nodeOffset = contentString.getCurrentOffset(); - len = nodeOffset - prevNodeOffset; - ndata = contentString.getString(prevNodeOffset, len); - } - } - entityDecl = new EntityDecl(name, ownerDTD, xID, isPEDecl, ndata); - } - } - return entityDecl; - } - - - // - // [82] NotationDecl ::= '<!NOTATION' S Name S (ExternalID | PublicID) S? - // '>' - // [75] ExternalID ::= 'SYSTEM' S SystemLiteral - // | 'PUBLIC' S PubidLiteral S SystemLiteral - // [83] PublicID ::= 'PUBLIC' S PubidLiteral - // - // Called after scanning 'NOTATION' - // - public NotationDecl scanNotationDecl() { - prevNodeOffset = 1; - nodeOffset = 1; - int len; - NotationDecl notationDecl = null; - - String name = null; - - if (contentString.lookingAtSpace(true)) { - contentString.skipPastSpaces(); - prevNodeOffset = contentString.getCurrentOffset(); - contentString.skipPastName(' '); - nodeOffset = contentString.getCurrentOffset(); - len = nodeOffset - prevNodeOffset; - if (len > 0) { - name = contentString.getString(prevNodeOffset, len); - prevNodeOffset = nodeOffset; - } - } - - if (name == null) - return null; - - contentString.skipPastSpaces(); - prevNodeOffset = contentString.getCurrentOffset(); - - notationDecl = new NotationDecl(name, ownerDTD); - - ExternalID xID = scanExternalID(); - if (xID != null) { - if (xID.getSystemLiteral() != null) { - notationDecl.setSystemId(xID.getSystemLiteral()); - } - if (xID.getPubIdLiteral() != null) { - notationDecl.setPublicId(xID.getPubIdLiteral()); - } - } - - return notationDecl; - } - - - private String scanEntityValue(boolean single) { - char qchar = single ? '\'' : '\"'; - prevNodeOffset = contentString.getCurrentOffset(); - contentString.skipToChar(qchar, false); - int len = contentString.getCurrentOffset() - prevNodeOffset; - String value = contentString.getString(prevNodeOffset, len); - return value; - } - - // - // [75] ExternalID ::= 'SYSTEM' S SystemLiteral - // | 'PUBLIC' S PubidLiteral S SystemLiteral - private ExternalID scanExternalID() { - ExternalID xID = null; - char qchar = '\"'; - if (contentString.skippedString(system_string)) { - if (!contentString.lookingAtSpace(true)) { - return null; - } - contentString.skipPastSpaces(); - - if (contentString.lookingAtChar('\'', true)) - qchar = '\''; - else if (contentString.lookingAtChar('\"', true)) - qchar = '\"'; - - prevNodeOffset = contentString.getCurrentOffset(); - contentString.skipToChar(qchar, true); - int len = contentString.getCurrentOffset() - prevNodeOffset - 1; - String systemId = contentString.getString(prevNodeOffset, len); - // System.out.println("systemid..." + systemId); - xID = new ExternalID(systemId); - } - else if (contentString.skippedString(public_string)) { - if (!contentString.lookingAtSpace(true)) { - return null; - } - - contentString.skipPastSpaces(); - if (contentString.lookingAtChar('\'', true)) - qchar = '\''; - else if (contentString.lookingAtChar('\"', true)) - qchar = '\"'; - - // publicLiteral - prevNodeOffset = contentString.getCurrentOffset(); - contentString.skipToChar(qchar, true); - int len = contentString.getCurrentOffset() - prevNodeOffset - 1; - String publicId = contentString.getString(prevNodeOffset, len); - - // systemLiteral - contentString.skipPastSpaces(); - if (contentString.lookingAtChar('\'', true)) - qchar = '\''; - else if (contentString.lookingAtChar('\"', true)) - qchar = '\"'; - prevNodeOffset = contentString.getCurrentOffset(); - contentString.skipToChar(qchar, true); - len = contentString.getCurrentOffset() - prevNodeOffset - 1; - - if (len > 0) { - String systemId = contentString.getString(prevNodeOffset, len); - xID = new ExternalID(publicId, systemId); - } - else { - xID = new ExternalID(publicId, null); - } - } - return xID; - } - - // - // [83] PublicID ::= 'PUBLIC' S PubidLiteral - // - - // dmw 11/15 private method never read locally - // TODO: change to private if used, otherwise should be removed - String scanPublicID() { - String pID = null; - if (contentString.skippedString(public_string)) { - if (!contentString.lookingAtSpace(true)) { - return pID; - } - contentString.skipPastSpaces(); - prevNodeOffset = contentString.getCurrentOffset(); - - contentString.skipToChar(' ', true); - int len = contentString.getCurrentOffset() - prevNodeOffset; - pID = contentString.getString(prevNodeOffset, len); - } - - return pID; - } - - // - // Main - // - - /** Main program entry point. */ - public static void main(String argv[]) { - - // is there anything to do? - if (argv.length == 0) { - System.exit(1); - } - - // DTDScanner sc = new DTDScanner(argv[0]); - DTDScanner sc = new DTDScanner("hello.dtd", " gif SYSTEM \"GIF File\" "); //$NON-NLS-1$ //$NON-NLS-2$ - - NotationDecl n = sc.scanNotationDecl(); - System.out.println("Noation Name: " + n.getNodeName()); //$NON-NLS-1$ - System.out.println("SystemId: " + n.getSystemId()); //$NON-NLS-1$ - - - // Attributes - // Vector lists = sc.scanAttlistDecl(); - // sc.printAttList(lists); - - // System.out.println("CM: " + sc.scanContentModel()); - - } // main(String[]) - - /** - * Gets the errorString - * - * @return Returns a String - */ - public String getErrorString() { - return errorString; - } - - /** - * Sets the errorString - * - * @param errorString - * The errorString to set - */ - public void setErrorString(String errorString) { - this.errorString = errorString; - } - -} |