628 lines
37 KiB
C#
628 lines
37 KiB
C#
//
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// System.Security.Cryptography.MiniParser: Internal XML parser implementation
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//
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// Authors:
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// Sergey Chaban
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//
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// Copyright (c) 2001, 2002 Wild West Software
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// Copyright (c) 2002 Sergey Chaban
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// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Text;
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using System.Collections;
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using System.Globalization;
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namespace Mono.Xml {
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#if INSIDE_CORLIB
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internal
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#else
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[CLSCompliant(false)]
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public
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#endif
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class MiniParser {
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public interface IReader {
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int Read();
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}
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public interface IAttrList {
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int Length {get;}
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bool IsEmpty {get;}
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string GetName(int i);
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string GetValue(int i);
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string GetValue(string name);
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void ChangeValue(string name, string newValue);
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string[] Names {get;}
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string[] Values {get;}
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}
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public interface IMutableAttrList : IAttrList {
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void Clear();
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void Add(string name, string value);
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void CopyFrom(IAttrList attrs);
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void Remove(int i);
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void Remove(string name);
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}
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public interface IHandler {
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void OnStartParsing(MiniParser parser);
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void OnStartElement(string name, IAttrList attrs);
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void OnEndElement(string name);
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void OnChars(string ch);
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void OnEndParsing(MiniParser parser);
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}
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public class HandlerAdapter : IHandler {
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public HandlerAdapter() {}
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public void OnStartParsing(MiniParser parser) {}
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public void OnStartElement(string name, IAttrList attrs) {}
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public void OnEndElement(string name) {}
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public void OnChars(string ch) {}
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public void OnEndParsing(MiniParser parser) {}
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}
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private enum CharKind : byte {
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LEFT_BR = 0,
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RIGHT_BR = 1,
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SLASH = 2,
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PI_MARK = 3,
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EQ = 4,
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AMP = 5,
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SQUOTE = 6,
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DQUOTE = 7,
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BANG = 8,
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LEFT_SQBR = 9,
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SPACE = 0xA,
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RIGHT_SQBR = 0xB,
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TAB = 0xC,
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CR = 0xD,
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EOL = 0xE,
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CHARS = 0xF,
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UNKNOWN = 0x1F
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}
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private enum ActionCode : byte {
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START_ELEM = 0,
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END_ELEM = 1,
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END_NAME = 2,
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SET_ATTR_NAME = 3,
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SET_ATTR_VAL = 4,
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SEND_CHARS = 5,
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START_CDATA = 6,
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END_CDATA = 7,
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ERROR = 8,
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STATE_CHANGE = 9,
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FLUSH_CHARS_STATE_CHANGE = 0xA,
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ACC_CHARS_STATE_CHANGE = 0xB,
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ACC_CDATA = 0xC,
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PROC_CHAR_REF = 0xD,
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UNKNOWN = 0xF
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}
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public class AttrListImpl : IMutableAttrList {
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protected ArrayList names;
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protected ArrayList values;
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public AttrListImpl() : this(0) {}
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public AttrListImpl(int initialCapacity) {
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if (initialCapacity <= 0) {
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names = new ArrayList();
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values = new ArrayList();
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} else {
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names = new ArrayList(initialCapacity);
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values = new ArrayList(initialCapacity);
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}
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}
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public AttrListImpl(IAttrList attrs)
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: this(attrs != null ? attrs.Length : 0) {
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if (attrs != null) this.CopyFrom(attrs);
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}
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public int Length {
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get {return names.Count;}
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}
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public bool IsEmpty {
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get {return this.Length != 0;}
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}
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public string GetName(int i) {
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string res = null;
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if (i >= 0 && i < this.Length) {
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res = names[i] as string;
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}
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return res;
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}
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public string GetValue(int i) {
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string res = null;
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if (i >= 0 && i < this.Length) {
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res = values[i] as string;
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}
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return res;
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}
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public string GetValue(string name) {
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return this.GetValue(names.IndexOf(name));
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}
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public void ChangeValue(string name, string newValue) {
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int i = names.IndexOf(name);
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if (i >= 0 && i < this.Length) {
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values[i] = newValue;
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}
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}
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public string[] Names {
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get {return names.ToArray(typeof(string)) as string[];}
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}
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public string[] Values {
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get {return values.ToArray(typeof(string)) as string[];}
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}
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public void Clear() {
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names.Clear();
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values.Clear();
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}
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public void Add(string name, string value) {
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names.Add(name);
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values.Add(value);
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}
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public void Remove(int i) {
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if (i >= 0) {
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names.RemoveAt(i);
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values.RemoveAt(i);
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}
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}
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public void Remove(string name) {
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this.Remove(names.IndexOf(name));
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}
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public void CopyFrom(IAttrList attrs) {
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if (attrs != null && ((object)this == (object)attrs)) {
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this.Clear();
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int n = attrs.Length;
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for (int i = 0; i < n; i++) {
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this.Add(attrs.GetName(i), attrs.GetValue(i));
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}
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}
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}
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}
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public class XMLError : Exception {
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protected string descr;
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protected int line, column;
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public XMLError() : this("Unknown") {}
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public XMLError(string descr) : this(descr, -1, -1) {}
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public XMLError(string descr, int line, int column)
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: base(descr) {
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this.descr = descr;
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this.line = line;
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this.column = column;
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}
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public int Line {get {return line;}}
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public int Column {get {return column;}}
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public override string ToString() {
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return (String.Format("{0} @ (line = {1}, col = {2})", descr, line, column));
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}
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}
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private static readonly int INPUT_RANGE = 13;
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private static readonly ushort[] tbl = {
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(ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 1), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 0), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ERROR << 8) | 128), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.ERROR << 8) | 128), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 128), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ERROR << 8) | 128), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ERROR << 8) | 128), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ERROR << 8) | 128), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 128), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ERROR << 8) | 128), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 128), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 128), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 128),
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(ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 2), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 133), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 16), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.FLUSH_CHARS_STATE_CHANGE << 8) | 4),
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(ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.END_ELEM << 8) | 0), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 2), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 2), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 129),
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(ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 5), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3),
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(ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 4), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.END_NAME << 8) | 6), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.END_NAME << 8) | 7), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.END_NAME << 8) | 8), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 129),
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(ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 0), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 3),
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(ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 0), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ERROR << 8) | 129),
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(ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.FLUSH_CHARS_STATE_CHANGE << 8) | 1), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.PROC_CHAR_REF << 8) | 10), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 7), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10),
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(ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 9), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.START_ELEM << 8) | 6), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.START_ELEM << 8) | 7), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 8), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 129),
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(ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 9), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.SET_ATTR_NAME << 8) | 11), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 12), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 130),
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(ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 13), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.PROC_CHAR_REF << 8) | 10), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 10),
|
|
(ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 14), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 15), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 11), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 132), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.ERROR << 8) | 132), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 132), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ERROR << 8) | 132), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ERROR << 8) | 132), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ERROR << 8) | 132), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ERROR << 8) | 132), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 132), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 132), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ERROR << 8) | 132),
|
|
(ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.SET_ATTR_NAME << 8) | 11), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 12), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 130), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ERROR << 8) | 130),
|
|
(ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.SEND_CHARS << 8) | 2), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 16), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 134), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 134), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ERROR << 8) | 134), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ERROR << 8) | 134), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ERROR << 8) | 134), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 134), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 134), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.ERROR << 8) | 134), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 134), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 134), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ERROR << 8) | 134),
|
|
(ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.SET_ATTR_VAL << 8) | 17), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.PROC_CHAR_REF << 8) | 14), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 14), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 14), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 14), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 14), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 14), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 14), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 14), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 14), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 14), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 14), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 14),
|
|
(ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.SET_ATTR_VAL << 8) | 17), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.PROC_CHAR_REF << 8) | 15), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 15), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 15), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 15), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 15), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 15), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 15), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 15), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 15), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 15), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 15), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 15),
|
|
(ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.START_CDATA << 8) | 18), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 0), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.START_CDATA << 8) | 19), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.START_CDATA << 8) | 19), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.START_CDATA << 8) | 19), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.START_CDATA << 8) | 19), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.START_CDATA << 8) | 19), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.START_CDATA << 8) | 19), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.START_CDATA << 8) | 19), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.START_CDATA << 8) | 19), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.START_CDATA << 8) | 19), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.START_CDATA << 8) | 19), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.START_CDATA << 8) | 19),
|
|
(ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.START_ELEM << 8) | 6), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.START_ELEM << 8) | 7), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.STATE_CHANGE << 8) | 17), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ACC_CHARS_STATE_CHANGE << 8) | 9), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ERROR << 8) | 129), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ERROR << 8) | 129),
|
|
(ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.END_CDATA << 8) | 10), (ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 18), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 18), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 18), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 18), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 18), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 18), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 18), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 18), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 18), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 18), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 18), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 18),
|
|
(ushort)(((ushort)CharKind.LEFT_BR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19), (ushort)(((ushort)CharKind.SLASH << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19), (ushort)(((ushort)CharKind.RIGHT_BR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19), (ushort)(((ushort)CharKind.PI_MARK << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19), (ushort)(((ushort)CharKind.EQ << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19), (ushort)(((ushort)CharKind.AMP << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19), (ushort)(((ushort)CharKind.SQUOTE << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19), (ushort)(((ushort)CharKind.BANG << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19), (ushort)(((ushort)CharKind.LEFT_SQBR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19), (ushort)(((ushort)CharKind.SPACE << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19), (ushort)(((ushort)CharKind.RIGHT_SQBR << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19), (ushort)(((ushort)CharKind.DQUOTE << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19), (ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.ACC_CDATA << 8) | 19),
|
|
(ushort)(((ushort)CharKind.CHARS << 12) | ((ushort)ActionCode.UNKNOWN << 8) | 255),
|
|
0xFFFF
|
|
};
|
|
|
|
protected static string[] errors = {
|
|
/* 0 */ "Expected element",
|
|
/* 1 */ "Invalid character in tag",
|
|
/* 2 */ "No '='",
|
|
/* 3 */ "Invalid character entity",
|
|
/* 4 */ "Invalid attr value",
|
|
/* 5 */ "Empty tag",
|
|
/* 6 */ "No end tag",
|
|
/* 7 */ "Bad entity ref"
|
|
};
|
|
|
|
protected int line;
|
|
protected int col;
|
|
protected int[] twoCharBuff;
|
|
protected bool splitCData;
|
|
|
|
public MiniParser() {
|
|
twoCharBuff = new int[2];
|
|
splitCData = false;
|
|
Reset();
|
|
}
|
|
|
|
public void Reset() {
|
|
line = 0;
|
|
col = 0;
|
|
}
|
|
|
|
protected static bool StrEquals(string str, StringBuilder sb, int sbStart, int len) {
|
|
if (len != str.Length) return false;
|
|
for (int i = 0; i < len; i++) {
|
|
if (str[i] != sb[sbStart + i]) return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
protected void FatalErr(string descr) {
|
|
throw new XMLError(descr, this.line, this.col);
|
|
}
|
|
|
|
protected static int Xlat(int charCode, int state) {
|
|
int p = state * INPUT_RANGE;
|
|
int n = System.Math.Min(tbl.Length - p, INPUT_RANGE);
|
|
for (;--n >= 0;) {
|
|
ushort code = tbl[p];
|
|
if (charCode == (code >> 12)) return (code & 0xFFF);
|
|
p++;
|
|
}
|
|
return 0xFFF;
|
|
}
|
|
|
|
public void Parse(IReader reader, IHandler handler) {
|
|
if (reader == null) throw new ArgumentNullException("reader");
|
|
if (handler == null) handler = new HandlerAdapter();
|
|
|
|
AttrListImpl attrList = new AttrListImpl();
|
|
string lastAttrName = null;
|
|
Stack tagStack = new Stack();
|
|
string elementName = null;
|
|
line = 1;
|
|
col = 0;
|
|
int currCh = 0;
|
|
int stateCode = 0;
|
|
StringBuilder sbChars = new StringBuilder();
|
|
bool seenCData = false;
|
|
bool isComment = false;
|
|
bool isDTD = false;
|
|
int bracketSwitch = 0;
|
|
|
|
handler.OnStartParsing(this);
|
|
|
|
while (true) {
|
|
++this.col;
|
|
|
|
currCh = reader.Read();
|
|
|
|
if (currCh == -1) {
|
|
if (stateCode != 0) {
|
|
FatalErr("Unexpected EOF");
|
|
}
|
|
break;
|
|
}
|
|
|
|
int charCode = "<>/?=&'\"![ ]\t\r\n".IndexOf((char)currCh) & 0xF;
|
|
if (charCode == (int)CharKind.CR) continue; // ignore
|
|
// whitepace ::= (#x20 | #x9 | #xd | #xa)+
|
|
if (charCode == (int)CharKind.TAB) charCode = (int)CharKind.SPACE; // tab == space
|
|
if (charCode == (int)CharKind.EOL) {
|
|
this.col = 0;
|
|
this.line++;
|
|
charCode = (int)CharKind.SPACE;
|
|
}
|
|
|
|
int actionCode = MiniParser.Xlat(charCode, stateCode);
|
|
stateCode = actionCode & 0xFF;
|
|
// Ignore newline inside attribute value.
|
|
if (currCh == '\n' && (stateCode == 0xE || stateCode == 0xF)) continue;
|
|
actionCode >>= 8;
|
|
|
|
if (stateCode >= 0x80) {
|
|
if (stateCode == 0xFF) {
|
|
FatalErr("State dispatch error.");
|
|
} else {
|
|
FatalErr(errors[stateCode ^ 0x80]);
|
|
}
|
|
}
|
|
|
|
switch (actionCode) {
|
|
case (int)ActionCode.START_ELEM:
|
|
handler.OnStartElement(elementName, attrList);
|
|
if (currCh != '/') {
|
|
tagStack.Push(elementName);
|
|
} else {
|
|
handler.OnEndElement(elementName);
|
|
}
|
|
attrList.Clear();
|
|
break;
|
|
|
|
case (int)ActionCode.END_ELEM:
|
|
elementName = sbChars.ToString();
|
|
sbChars = new StringBuilder();
|
|
string endName = null;
|
|
if (tagStack.Count == 0 ||
|
|
elementName != (endName = tagStack.Pop() as string)) {
|
|
if (endName == null) {
|
|
FatalErr("Tag stack underflow");
|
|
} else {
|
|
FatalErr(String.Format("Expected end tag '{0}' but found '{1}'", elementName, endName));
|
|
}
|
|
}
|
|
handler.OnEndElement(elementName);
|
|
break;
|
|
|
|
case (int)ActionCode.END_NAME:
|
|
elementName = sbChars.ToString();
|
|
sbChars = new StringBuilder();
|
|
if (currCh != '/' && currCh != '>') break;
|
|
goto case (int)ActionCode.START_ELEM;
|
|
|
|
case (int)ActionCode.SET_ATTR_NAME:
|
|
lastAttrName = sbChars.ToString();
|
|
sbChars = new StringBuilder();
|
|
break;
|
|
|
|
case (int)ActionCode.SET_ATTR_VAL:
|
|
if (lastAttrName == null) FatalErr("Internal error.");
|
|
attrList.Add(lastAttrName, sbChars.ToString());
|
|
sbChars = new StringBuilder();
|
|
lastAttrName = null;
|
|
break;
|
|
|
|
case (int)ActionCode.SEND_CHARS:
|
|
handler.OnChars(sbChars.ToString());
|
|
sbChars = new StringBuilder();
|
|
break;
|
|
|
|
case (int)ActionCode.START_CDATA:
|
|
string cdata = "CDATA[";
|
|
isComment = false;
|
|
isDTD = false;
|
|
|
|
if (currCh == '-') {
|
|
currCh = reader.Read();
|
|
|
|
if (currCh != '-') FatalErr("Invalid comment");
|
|
|
|
this.col++;
|
|
isComment = true;
|
|
twoCharBuff[0] = -1;
|
|
twoCharBuff[1] = -1;
|
|
} else {
|
|
if (currCh != '[') {
|
|
isDTD = true;
|
|
bracketSwitch = 0;
|
|
break;
|
|
}
|
|
|
|
for (int i = 0; i < cdata.Length; i++) {
|
|
if (reader.Read() != cdata[i]) {
|
|
this.col += i+1;
|
|
break;
|
|
}
|
|
}
|
|
this.col += cdata.Length;
|
|
seenCData = true;
|
|
}
|
|
break;
|
|
|
|
case (int)ActionCode.END_CDATA:
|
|
int n = 0;
|
|
currCh = ']';
|
|
|
|
while (currCh == ']') {
|
|
currCh = reader.Read();
|
|
n++;
|
|
}
|
|
|
|
if (currCh != '>') {
|
|
for (int i = 0; i < n; i++) sbChars.Append(']');
|
|
sbChars.Append((char)currCh);
|
|
stateCode = 0x12;
|
|
} else {
|
|
for (int i = 0; i < n-2; i++) sbChars.Append(']');
|
|
seenCData = false;
|
|
}
|
|
|
|
this.col += n;
|
|
break;
|
|
|
|
case (int)ActionCode.ERROR:
|
|
FatalErr(String.Format("Error {0}", stateCode));
|
|
break;
|
|
|
|
case (int)ActionCode.STATE_CHANGE:
|
|
break;
|
|
|
|
case (int)ActionCode.FLUSH_CHARS_STATE_CHANGE:
|
|
sbChars = new StringBuilder();
|
|
if (currCh != '<') goto case (int)ActionCode.ACC_CHARS_STATE_CHANGE;
|
|
break;
|
|
|
|
case (int)ActionCode.ACC_CHARS_STATE_CHANGE:
|
|
sbChars.Append((char)currCh);
|
|
break;
|
|
|
|
case (int)ActionCode.ACC_CDATA:
|
|
if (isComment) {
|
|
if (currCh == '>'
|
|
&& twoCharBuff[0] == '-'
|
|
&& twoCharBuff[1] == '-') {
|
|
isComment = false;
|
|
stateCode = 0;
|
|
} else {
|
|
twoCharBuff[0] = twoCharBuff[1];
|
|
twoCharBuff[1] = currCh;
|
|
}
|
|
} else if (isDTD) {
|
|
if (currCh == '<' || currCh == '>') bracketSwitch ^= 1;
|
|
if (currCh == '>' && bracketSwitch != 0) {
|
|
isDTD = false;
|
|
stateCode = 0;
|
|
}
|
|
} else {
|
|
if (this.splitCData
|
|
&& sbChars.Length > 0
|
|
&& seenCData) {
|
|
handler.OnChars(sbChars.ToString());
|
|
sbChars = new StringBuilder();
|
|
}
|
|
seenCData = false;
|
|
sbChars.Append((char)currCh);
|
|
}
|
|
break;
|
|
|
|
case (int)ActionCode.PROC_CHAR_REF:
|
|
currCh = reader.Read();
|
|
int cl = this.col + 1;
|
|
if (currCh == '#') { // character reference
|
|
int r = 10;
|
|
int chCode = 0;
|
|
int nDigits = 0;
|
|
currCh = reader.Read();
|
|
cl++;
|
|
|
|
if (currCh == 'x') {
|
|
currCh = reader.Read();
|
|
cl++;
|
|
r=16;
|
|
}
|
|
|
|
NumberStyles style = r == 16 ? NumberStyles.HexNumber : NumberStyles.Integer;
|
|
|
|
while (true) {
|
|
int x = -1;
|
|
if (Char.IsNumber((char)currCh) || "abcdef".IndexOf(Char.ToLower((char)currCh)) != -1) {
|
|
try {
|
|
x = Int32.Parse(new string((char)currCh, 1), style);
|
|
} catch (FormatException) {x = -1;}
|
|
}
|
|
if (x == -1) break;
|
|
chCode *= r;
|
|
chCode += x;
|
|
nDigits++;
|
|
currCh = reader.Read();
|
|
cl++;
|
|
}
|
|
|
|
if (currCh == ';' && nDigits > 0) {
|
|
sbChars.Append((char)chCode);
|
|
} else {
|
|
FatalErr("Bad char ref");
|
|
}
|
|
} else {
|
|
// entity reference
|
|
string entityRefChars = "aglmopqstu"; // amp | apos | quot | gt | lt
|
|
string entities = "&'\"><";
|
|
|
|
int pos = 0;
|
|
int entIdx = 0xF;
|
|
int predShift = 0;
|
|
|
|
int sbLen = sbChars.Length;
|
|
|
|
while (true) {
|
|
if (pos != 0xF) pos = entityRefChars.IndexOf((char)currCh) & 0xF;
|
|
if (pos == 0xF) FatalErr(errors[7]);
|
|
sbChars.Append((char)currCh);
|
|
|
|
int path = "\uFF35\u3F8F\u4F8F\u0F5F\uFF78\uE1F4\u2299\uEEFF\uEEFF\uFF4F"[pos];
|
|
int lBr = (path >> 4) & 0xF;
|
|
int rBr = path & 0xF;
|
|
int lPred = path >> 12;
|
|
int rPred = (path >> 8) & 0xF;
|
|
currCh = reader.Read();
|
|
cl++;
|
|
pos = 0xF;
|
|
if (lBr != 0xF && currCh == entityRefChars[lBr]) {
|
|
if (lPred < 0xE) entIdx = lPred;
|
|
// pred = lPred;
|
|
predShift = 12; // left
|
|
} else if (rBr != 0xF && currCh == entityRefChars[rBr]) {
|
|
if (rPred < 0xE) entIdx = rPred;
|
|
// pred = rPred;
|
|
predShift = 8; // right
|
|
} else if (currCh == ';') {
|
|
if (entIdx != 0xF
|
|
&& predShift != 0
|
|
&& ((path >> predShift) & 0xF) == 0xE) break;
|
|
continue; // pos == 0xF
|
|
}
|
|
|
|
pos=0;
|
|
|
|
}
|
|
|
|
int l = cl - this.col - 1;
|
|
|
|
if ((l > 0 && l < 5)
|
|
&&(StrEquals("amp", sbChars, sbLen, l)
|
|
|| StrEquals("apos", sbChars, sbLen, l)
|
|
|| StrEquals("quot", sbChars, sbLen, l)
|
|
|| StrEquals("lt", sbChars, sbLen, l)
|
|
|| StrEquals("gt", sbChars, sbLen, l))
|
|
) {
|
|
sbChars.Length = sbLen;
|
|
sbChars.Append(entities[entIdx]);
|
|
} else FatalErr(errors[7]);
|
|
}
|
|
|
|
this.col = cl;
|
|
break;
|
|
|
|
default:
|
|
FatalErr(String.Format("Unexpected action code - {0}.", actionCode));
|
|
break;
|
|
}
|
|
} // while (true)
|
|
|
|
handler.OnEndParsing(this);
|
|
|
|
} // Parse
|
|
|
|
}
|
|
|
|
}
|