From 5e4d6cab00cb29cd088ab7b62ab13aff103b64cb Mon Sep 17 00:00:00 2001 From: onefang Date: Sun, 19 May 2019 21:24:15 +1000 Subject: Dump OpenSim 0.9.0.1 into it's own branch. --- Prebuild/src/Core/Parse/IfContext.cs | 268 ++++---- Prebuild/src/Core/Parse/Preprocessor.cs | 1088 +++++++++++++++---------------- 2 files changed, 678 insertions(+), 678 deletions(-) (limited to 'Prebuild/src/Core/Parse') diff --git a/Prebuild/src/Core/Parse/IfContext.cs b/Prebuild/src/Core/Parse/IfContext.cs index 3c79d38..7729d3b 100644 --- a/Prebuild/src/Core/Parse/IfContext.cs +++ b/Prebuild/src/Core/Parse/IfContext.cs @@ -5,16 +5,16 @@ Copyright (c) 2004-2005 Matthew Holmes (matthew@wildfiregames.com), Dan Moorehea Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: -* Redistributions of source code must retain the above copyright notice, this list of conditions - and the following disclaimer. -* 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. -* The name of the author may not be used to endorse or promote products derived from this software - without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, -BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +* Redistributions of source code must retain the above copyright notice, this list of conditions + and the following disclaimer. +* 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. +* The name of the author may not be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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 @@ -27,128 +27,128 @@ using System; namespace Prebuild.Core.Parse { - /// - /// - /// - public enum IfState - { - /// - /// - /// - None, - /// - /// - /// - If, - /// - /// - /// - ElseIf, - /// - /// - /// - Else - } - - /// - /// Summary description for IfContext. - /// - // Inspired by the equivalent WiX class (see www.sourceforge.net/projects/wix/) - public class IfContext - { - #region Properties - - bool m_Active; - bool m_Keep; - bool m_EverKept; - IfState m_State = IfState.None; - - #endregion - - #region Constructors - - /// - /// Initializes a new instance of the class. - /// - /// if set to true [active]. - /// if set to true [keep]. - /// The state. - public IfContext(bool active, bool keep, IfState state) - { - m_Active = active; - m_Keep = keep; - m_EverKept = keep; - m_State = state; - } - - #endregion - - #region Properties - - /// - /// Gets or sets a value indicating whether this is active. - /// - /// true if active; otherwise, false. - public bool Active - { - get - { - return m_Active; - } - set - { - m_Active = value; - } - } - - /// - /// Gets or sets a value indicating whether this is keep. - /// - /// true if keep; otherwise, false. - public bool Keep - { - get - { - return m_Keep; - } - set - { - m_Keep = value; - if(m_Keep) - { - m_EverKept = true; - } - } - } - - /// - /// Gets a value indicating whether [ever kept]. - /// - /// true if [ever kept]; otherwise, false. - public bool EverKept - { - get - { - return m_EverKept; - } - } - - /// - /// Gets or sets the state. - /// - /// The state. - public IfState State - { - get - { - return m_State; - } - set - { - m_State = value; - } - } - - #endregion - } + /// + /// + /// + public enum IfState + { + /// + /// + /// + None, + /// + /// + /// + If, + /// + /// + /// + ElseIf, + /// + /// + /// + Else + } + + /// + /// Summary description for IfContext. + /// + // Inspired by the equivalent WiX class (see www.sourceforge.net/projects/wix/) + public class IfContext + { + #region Properties + + bool m_Active; + bool m_Keep; + bool m_EverKept; + IfState m_State = IfState.None; + + #endregion + + #region Constructors + + /// + /// Initializes a new instance of the class. + /// + /// if set to true [active]. + /// if set to true [keep]. + /// The state. + public IfContext(bool active, bool keep, IfState state) + { + m_Active = active; + m_Keep = keep; + m_EverKept = keep; + m_State = state; + } + + #endregion + + #region Properties + + /// + /// Gets or sets a value indicating whether this is active. + /// + /// true if active; otherwise, false. + public bool Active + { + get + { + return m_Active; + } + set + { + m_Active = value; + } + } + + /// + /// Gets or sets a value indicating whether this is keep. + /// + /// true if keep; otherwise, false. + public bool Keep + { + get + { + return m_Keep; + } + set + { + m_Keep = value; + if(m_Keep) + { + m_EverKept = true; + } + } + } + + /// + /// Gets a value indicating whether [ever kept]. + /// + /// true if [ever kept]; otherwise, false. + public bool EverKept + { + get + { + return m_EverKept; + } + } + + /// + /// Gets or sets the state. + /// + /// The state. + public IfState State + { + get + { + return m_State; + } + set + { + m_State = value; + } + } + + #endregion + } } diff --git a/Prebuild/src/Core/Parse/Preprocessor.cs b/Prebuild/src/Core/Parse/Preprocessor.cs index 0648fad..0cd6e82 100644 --- a/Prebuild/src/Core/Parse/Preprocessor.cs +++ b/Prebuild/src/Core/Parse/Preprocessor.cs @@ -5,16 +5,16 @@ Copyright (c) 2004-2005 Matthew Holmes (matthew@wildfiregames.com), Dan Moorehea Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: -* Redistributions of source code must retain the above copyright notice, this list of conditions - and the following disclaimer. -* 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. -* The name of the author may not be used to endorse or promote products derived from this software - without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, -BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +* Redistributions of source code must retain the above copyright notice, this list of conditions + and the following disclaimer. +* 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. +* The name of the author may not be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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 @@ -31,336 +31,336 @@ using System.Xml; namespace Prebuild.Core.Parse { - /// - /// - /// - public enum OperatorSymbol - { - /// - /// - /// - None, - /// - /// - /// - Equal, - /// - /// - /// - NotEqual, - /// - /// - /// - LessThan, - /// - /// - /// - GreaterThan, - /// - /// - /// - LessThanEqual, - /// - /// - /// - GreaterThanEqual - } - - /// - /// - /// - public class Preprocessor - { - #region Constants - - /// - /// Includes the regex to look for file tags in the processing instruction. - /// - private static readonly Regex includeFileRegex = new Regex("file=\"(.+?)\""); - - #endregion - - #region Fields - - readonly XmlDocument m_OutDoc = new XmlDocument(); - readonly Stack m_IfStack = new Stack(); - readonly Dictionary m_Variables = new Dictionary(); - - #endregion - - #region Constructors - - /// - /// Initializes a new instance of the class. - /// - public Preprocessor() - { - RegisterVariable("OS", GetOS()); - RegisterVariable("RuntimeVersion", Environment.Version.Major); - RegisterVariable("RuntimeMajor", Environment.Version.Major); - RegisterVariable("RuntimeMinor", Environment.Version.Minor); - RegisterVariable("RuntimeRevision", Environment.Version.Revision); - } - - #endregion - - #region Properties - - /// - /// Gets the processed doc. - /// - /// The processed doc. - public XmlDocument ProcessedDoc - { - get - { - return m_OutDoc; - } - } - - #endregion - - #region Private Methods - - /// - /// Parts of this code were taken from NAnt and is subject to the GPL - /// as per NAnt's license. Thanks to the NAnt guys for this little gem. - /// - /// - public static string GetOS() - { - PlatformID platId = Environment.OSVersion.Platform; - if(platId == PlatformID.Win32NT || platId == PlatformID.Win32Windows) - { - return "Win32"; - } - - if (File.Exists("/System/Library/Frameworks/Cocoa.framework/Cocoa")) - { - return "MACOSX"; - } - - /* - * .NET 1.x, under Mono, the UNIX code is 128. Under - * .NET 2.x, Mono or MS, the UNIX code is 4 - */ - if(Environment.Version.Major == 1) - { - if((int)platId == 128) - { - return "UNIX"; - } - } - else if((int)platId == 4) - { - return "UNIX"; - } - - return "Unknown"; - } - - private static bool CompareNum(OperatorSymbol oper, int val1, int val2) - { - switch(oper) - { - case OperatorSymbol.Equal: - return (val1 == val2); - case OperatorSymbol.NotEqual: - return (val1 != val2); - case OperatorSymbol.LessThan: - return (val1 < val2); - case OperatorSymbol.LessThanEqual: - return (val1 <= val2); - case OperatorSymbol.GreaterThan: - return (val1 > val2); - case OperatorSymbol.GreaterThanEqual: - return (val1 >= val2); - } - - throw new WarningException("Unknown operator type"); - } - - private static bool CompareStr(OperatorSymbol oper, string val1, string val2) - { - switch(oper) - { - case OperatorSymbol.Equal: - return (val1 == val2); - case OperatorSymbol.NotEqual: - return (val1 != val2); - case OperatorSymbol.LessThan: - return (val1.CompareTo(val2) < 0); - case OperatorSymbol.LessThanEqual: - return (val1.CompareTo(val2) <= 0); - case OperatorSymbol.GreaterThan: - return (val1.CompareTo(val2) > 0); - case OperatorSymbol.GreaterThanEqual: - return (val1.CompareTo(val2) >= 0); - } - - throw new WarningException("Unknown operator type"); - } - - private static char NextChar(int idx, string str) - { - if((idx + 1) >= str.Length) - { - return Char.MaxValue; - } - - return str[idx + 1]; - } - // Very very simple expression parser. Can only match expressions of the form - // : - // OS = Windows - // OS != Linux - // RuntimeMinor > 0 - private bool ParseExpression(string exp) - { - if(exp == null) - { - throw new ArgumentException("Invalid expression, cannot be null"); - } - - exp = exp.Trim(); - if(exp.Length < 1) - { - throw new ArgumentException("Invalid expression, cannot be 0 length"); - } - - string id = ""; - string str = ""; - OperatorSymbol oper = OperatorSymbol.None; - bool inStr = false; - - for(int i = 0; i < exp.Length; i++) - { - char c = exp[i]; - if(Char.IsWhiteSpace(c)) - { - continue; - } - - if(Char.IsLetterOrDigit(c) || c == '_') - { - if(inStr) - { - str += c; - } - else - { - id += c; - } - } - else if(c == '\"') - { - inStr = !inStr; - if(inStr) - { - str = ""; - } - } - else - { - if(inStr) - { - str += c; - } - else - { - switch(c) - { - case '=': - oper = OperatorSymbol.Equal; - break; - - case '!': - if(NextChar(i, exp) == '=') - { - oper = OperatorSymbol.NotEqual; - } - - break; - - case '<': - if(NextChar(i, exp) == '=') - { - oper = OperatorSymbol.LessThanEqual; - } - else - { - oper = OperatorSymbol.LessThan; - } - - break; - - case '>': - if(NextChar(i, exp) == '=') - { - oper = OperatorSymbol.GreaterThanEqual; - } - else - { - oper = OperatorSymbol.GreaterThan; - } - - break; - } - } - } - } - - - if(inStr) - { - throw new WarningException("Expected end of string in expression"); - } - - if(oper == OperatorSymbol.None) - { - throw new WarningException("Expected operator in expression"); - } - if(id.Length < 1) - { - throw new WarningException("Expected identifier in expression"); - } - if(str.Length < 1) - { - throw new WarningException("Expected value in expression"); - } - - bool ret; - try - { - object val = m_Variables[id.ToLower()]; - if(val == null) - { - throw new WarningException("Unknown identifier '{0}'", id); - } - - Type t = val.GetType(); - if(t.IsAssignableFrom(typeof(int))) - { - int numVal = (int)val; - int numVal2 = Int32.Parse(str); - ret = CompareNum(oper, numVal, numVal2); - } - else - { - string strVal = val.ToString(); - string strVal2 = str; - ret = CompareStr(oper, strVal, strVal2); - } - } - catch(ArgumentException ex) - { - ex.ToString(); - throw new WarningException("Invalid value type for system variable '{0}', expected int", id); - } - - return ret; - } + /// + /// + /// + public enum OperatorSymbol + { + /// + /// + /// + None, + /// + /// + /// + Equal, + /// + /// + /// + NotEqual, + /// + /// + /// + LessThan, + /// + /// + /// + GreaterThan, + /// + /// + /// + LessThanEqual, + /// + /// + /// + GreaterThanEqual + } + + /// + /// + /// + public class Preprocessor + { + #region Constants + + /// + /// Includes the regex to look for file tags in the processing instruction. + /// + private static readonly Regex includeFileRegex = new Regex("file=\"(.+?)\""); + + #endregion + + #region Fields + + readonly XmlDocument m_OutDoc = new XmlDocument(); + readonly Stack m_IfStack = new Stack(); + readonly Dictionary m_Variables = new Dictionary(); + + #endregion + + #region Constructors + + /// + /// Initializes a new instance of the class. + /// + public Preprocessor() + { + RegisterVariable("OS", GetOS()); + RegisterVariable("RuntimeVersion", Environment.Version.Major); + RegisterVariable("RuntimeMajor", Environment.Version.Major); + RegisterVariable("RuntimeMinor", Environment.Version.Minor); + RegisterVariable("RuntimeRevision", Environment.Version.Revision); + } + + #endregion + + #region Properties + + /// + /// Gets the processed doc. + /// + /// The processed doc. + public XmlDocument ProcessedDoc + { + get + { + return m_OutDoc; + } + } + + #endregion + + #region Private Methods + + /// + /// Parts of this code were taken from NAnt and is subject to the GPL + /// as per NAnt's license. Thanks to the NAnt guys for this little gem. + /// + /// + public static string GetOS() + { + PlatformID platId = Environment.OSVersion.Platform; + if(platId == PlatformID.Win32NT || platId == PlatformID.Win32Windows) + { + return "Win32"; + } + + if (File.Exists("/System/Library/Frameworks/Cocoa.framework/Cocoa")) + { + return "MACOSX"; + } + + /* + * .NET 1.x, under Mono, the UNIX code is 128. Under + * .NET 2.x, Mono or MS, the UNIX code is 4 + */ + if(Environment.Version.Major == 1) + { + if((int)platId == 128) + { + return "UNIX"; + } + } + else if((int)platId == 4) + { + return "UNIX"; + } + + return "Unknown"; + } + + private static bool CompareNum(OperatorSymbol oper, int val1, int val2) + { + switch(oper) + { + case OperatorSymbol.Equal: + return (val1 == val2); + case OperatorSymbol.NotEqual: + return (val1 != val2); + case OperatorSymbol.LessThan: + return (val1 < val2); + case OperatorSymbol.LessThanEqual: + return (val1 <= val2); + case OperatorSymbol.GreaterThan: + return (val1 > val2); + case OperatorSymbol.GreaterThanEqual: + return (val1 >= val2); + } + + throw new WarningException("Unknown operator type"); + } + + private static bool CompareStr(OperatorSymbol oper, string val1, string val2) + { + switch(oper) + { + case OperatorSymbol.Equal: + return (val1 == val2); + case OperatorSymbol.NotEqual: + return (val1 != val2); + case OperatorSymbol.LessThan: + return (val1.CompareTo(val2) < 0); + case OperatorSymbol.LessThanEqual: + return (val1.CompareTo(val2) <= 0); + case OperatorSymbol.GreaterThan: + return (val1.CompareTo(val2) > 0); + case OperatorSymbol.GreaterThanEqual: + return (val1.CompareTo(val2) >= 0); + } + + throw new WarningException("Unknown operator type"); + } + + private static char NextChar(int idx, string str) + { + if((idx + 1) >= str.Length) + { + return Char.MaxValue; + } + + return str[idx + 1]; + } + // Very very simple expression parser. Can only match expressions of the form + // : + // OS = Windows + // OS != Linux + // RuntimeMinor > 0 + private bool ParseExpression(string exp) + { + if(exp == null) + { + throw new ArgumentException("Invalid expression, cannot be null"); + } + + exp = exp.Trim(); + if(exp.Length < 1) + { + throw new ArgumentException("Invalid expression, cannot be 0 length"); + } + + string id = ""; + string str = ""; + OperatorSymbol oper = OperatorSymbol.None; + bool inStr = false; + + for(int i = 0; i < exp.Length; i++) + { + char c = exp[i]; + if(Char.IsWhiteSpace(c)) + { + continue; + } + + if(Char.IsLetterOrDigit(c) || c == '_') + { + if(inStr) + { + str += c; + } + else + { + id += c; + } + } + else if(c == '\"') + { + inStr = !inStr; + if(inStr) + { + str = ""; + } + } + else + { + if(inStr) + { + str += c; + } + else + { + switch(c) + { + case '=': + oper = OperatorSymbol.Equal; + break; + + case '!': + if(NextChar(i, exp) == '=') + { + oper = OperatorSymbol.NotEqual; + } + + break; + + case '<': + if(NextChar(i, exp) == '=') + { + oper = OperatorSymbol.LessThanEqual; + } + else + { + oper = OperatorSymbol.LessThan; + } + + break; + + case '>': + if(NextChar(i, exp) == '=') + { + oper = OperatorSymbol.GreaterThanEqual; + } + else + { + oper = OperatorSymbol.GreaterThan; + } + + break; + } + } + } + } + + + if(inStr) + { + throw new WarningException("Expected end of string in expression"); + } + + if(oper == OperatorSymbol.None) + { + throw new WarningException("Expected operator in expression"); + } + if(id.Length < 1) + { + throw new WarningException("Expected identifier in expression"); + } + if(str.Length < 1) + { + throw new WarningException("Expected value in expression"); + } + + bool ret; + try + { + object val = m_Variables[id.ToLower()]; + if(val == null) + { + throw new WarningException("Unknown identifier '{0}'", id); + } + + Type t = val.GetType(); + if(t.IsAssignableFrom(typeof(int))) + { + int numVal = (int)val; + int numVal2 = Int32.Parse(str); + ret = CompareNum(oper, numVal, numVal2); + } + else + { + string strVal = val.ToString(); + string strVal2 = str; + ret = CompareStr(oper, strVal, strVal2); + } + } + catch(ArgumentException ex) + { + ex.ToString(); + throw new WarningException("Invalid value type for system variable '{0}', expected int", id); + } + + return ret; + } /// /// Taken from current Prebuild included in OpenSim 0.7.x @@ -376,13 +376,13 @@ namespace Prebuild.Core.Parse if (!include.Contains ("*")) { return; } - + // Console.WriteLine("Processing {0}", include); - + // Break up the include into pre and post wildcard sections string preWildcard = include.Substring (0, include.IndexOf ("*")); string postWildcard = include.Substring (include.IndexOf ("*") + 2); - + // If preWildcard is a directory, recurse if (Directory.Exists (preWildcard)) { string[] directories = Directory.GetDirectories (preWildcard); @@ -390,7 +390,7 @@ namespace Prebuild.Core.Parse Array.Reverse (directories); foreach (string dirPath in directories) { //Console.WriteLine ("Scanning : {0}", dirPath); - + string includeFile = Path.Combine (dirPath, postWildcard); if (includeFile.Contains ("*")) { // postWildcard included another wildcard, recurse. @@ -408,10 +408,10 @@ namespace Prebuild.Core.Parse // preWildcard is not a path to a directory, so the wildcard is in the filename string searchFilename = Path.GetFileName (preWildcard.Substring (preWildcard.IndexOf ("/") + 1) + "*" + postWildcard); Console.WriteLine ("searchFilename: {0}", searchFilename); - + string searchDirectory = Path.GetDirectoryName (preWildcard); Console.WriteLine ("searchDirectory: {0}", searchDirectory); - + string[] files = Directory.GetFiles (searchDirectory, searchFilename); Array.Sort (files); Array.Reverse (files); @@ -426,227 +426,227 @@ namespace Prebuild.Core.Parse } } - #endregion - - #region Public Methods - - /// - /// - /// - /// - /// - public void RegisterVariable(string name, object variableValue) - { - if(name == null || variableValue == null) - { - return; - } - - m_Variables[name.ToLower()] = variableValue; - } - - /// - /// Performs validation on the xml source as well as evaluates conditional and flow expresions - /// - /// For invalid use of conditional expressions or for invalid XML syntax. If a XmlValidatingReader is passed, then will also throw exceptions for non-schema-conforming xml + #endregion + + #region Public Methods + + /// + /// + /// + /// + /// + public void RegisterVariable(string name, object variableValue) + { + if(name == null || variableValue == null) + { + return; + } + + m_Variables[name.ToLower()] = variableValue; + } + + /// + /// Performs validation on the xml source as well as evaluates conditional and flow expresions + /// + /// For invalid use of conditional expressions or for invalid XML syntax. If a XmlValidatingReader is passed, then will also throw exceptions for non-schema-conforming xml /// - /// the output xml - public string Process(XmlReader initialReader) - { - if(initialReader == null) - { - throw new ArgumentException("Invalid XML reader to pre-process"); - } - - IfContext context = new IfContext(true, true, IfState.None); - StringWriter xmlText = new StringWriter(); - XmlTextWriter writer = new XmlTextWriter(xmlText); - writer.Formatting = Formatting.Indented; - - // Create a queue of XML readers and add the initial - // reader to it. Then we process until we run out of - // readers which lets the operation add more - // readers to generate a multi-file parser and not require - // XML fragments that a recursive version would use. - Stack readerStack = new Stack(); - readerStack.Push(initialReader); - - while(readerStack.Count > 0) - { - // Pop off the next reader. - XmlReader reader = readerStack.Pop(); - - // Process through this XML reader until it is - // completed (or it is replaced by the include - // operation). - while(reader.Read()) - { - // The prebuild file has a series of processing - // instructions which allow for specific - // inclusions based on operating system or to - // include additional files. - if(reader.NodeType == XmlNodeType.ProcessingInstruction) - { - bool ignore = false; - - switch(reader.LocalName) - { - case "include": - // use regular expressions to parse out the attributes. - MatchCollection matches = includeFileRegex.Matches(reader.Value); - - // make sure there is only one file attribute. - if(matches.Count > 1) - { - throw new WarningException("An node was found, but it specified more than one file."); - } - - if(matches.Count == 0) - { - throw new WarningException("An node was found, but it did not specify the file attribute."); - } + /// the output xml + public string Process(XmlReader initialReader) + { + if(initialReader == null) + { + throw new ArgumentException("Invalid XML reader to pre-process"); + } + + IfContext context = new IfContext(true, true, IfState.None); + StringWriter xmlText = new StringWriter(); + XmlTextWriter writer = new XmlTextWriter(xmlText); + writer.Formatting = Formatting.Indented; + + // Create a queue of XML readers and add the initial + // reader to it. Then we process until we run out of + // readers which lets the operation add more + // readers to generate a multi-file parser and not require + // XML fragments that a recursive version would use. + Stack readerStack = new Stack(); + readerStack.Push(initialReader); + + while(readerStack.Count > 0) + { + // Pop off the next reader. + XmlReader reader = readerStack.Pop(); + + // Process through this XML reader until it is + // completed (or it is replaced by the include + // operation). + while(reader.Read()) + { + // The prebuild file has a series of processing + // instructions which allow for specific + // inclusions based on operating system or to + // include additional files. + if(reader.NodeType == XmlNodeType.ProcessingInstruction) + { + bool ignore = false; + + switch(reader.LocalName) + { + case "include": + // use regular expressions to parse out the attributes. + MatchCollection matches = includeFileRegex.Matches(reader.Value); + + // make sure there is only one file attribute. + if(matches.Count > 1) + { + throw new WarningException("An node was found, but it specified more than one file."); + } + + if(matches.Count == 0) + { + throw new WarningException("An node was found, but it did not specify the file attribute."); + } // ***** Adding for wildcard handling // Push current reader back onto the stack. readerStack.Push (reader); - + // Pull the file out from the regex and make sure it is a valid file before using it. string filename = matches[0].Groups[1].Value; - + filename = String.Join (Path.DirectorySeparatorChar.ToString (), filename.Split (new char[] { '/', '\\' })); - + if (!filename.Contains ("*")) { - + FileInfo includeFile = new FileInfo (filename); if (!includeFile.Exists) { throw new WarningException ("Cannot include file: " + includeFile.FullName); } - + // Create a new reader object for this file. Then put the old reader back on the stack and start // processing using this new XML reader. - + XmlReader newReader = new XmlTextReader (includeFile.Open (FileMode.Open, FileAccess.Read, FileShare.Read)); reader = newReader; readerStack.Push (reader); - + } else { WildCardInclude (readerStack, filename); } - + reader = (XmlReader)readerStack.Pop (); ignore = true; break; - case "if": - m_IfStack.Push(context); - context = new IfContext(context.Keep & context.Active, ParseExpression(reader.Value), IfState.If); - ignore = true; - break; - - case "elseif": - if(m_IfStack.Count == 0) - { - throw new WarningException("Unexpected 'elseif' outside of 'if'"); - } - if(context.State != IfState.If && context.State != IfState.ElseIf) - { - throw new WarningException("Unexpected 'elseif' outside of 'if'"); - } - - context.State = IfState.ElseIf; - if(!context.EverKept) - { - context.Keep = ParseExpression(reader.Value); - } - else - { - context.Keep = false; - } - - ignore = true; - break; - - case "else": - if(m_IfStack.Count == 0) - { - throw new WarningException("Unexpected 'else' outside of 'if'"); - } - if(context.State != IfState.If && context.State != IfState.ElseIf) - { - throw new WarningException("Unexpected 'else' outside of 'if'"); - } - - context.State = IfState.Else; - context.Keep = !context.EverKept; - ignore = true; - break; - - case "endif": - if(m_IfStack.Count == 0) - { - throw new WarningException("Unexpected 'endif' outside of 'if'"); - } - - context = m_IfStack.Pop(); - ignore = true; - break; - } - - if(ignore) - { - continue; - } - }//end pre-proc instruction - - if(!context.Active || !context.Keep) - { - continue; - } - - switch(reader.NodeType) - { - case XmlNodeType.Element: - bool empty = reader.IsEmptyElement; - writer.WriteStartElement(reader.Name); - - while (reader.MoveToNextAttribute()) - { - writer.WriteAttributeString(reader.Name, reader.Value); - } - - if(empty) - { - writer.WriteEndElement(); - } - - break; - - case XmlNodeType.EndElement: - writer.WriteEndElement(); - break; - - case XmlNodeType.Text: - writer.WriteString(reader.Value); - break; - - case XmlNodeType.CDATA: - writer.WriteCData(reader.Value); - break; - - default: - break; - } - } - - if(m_IfStack.Count != 0) - { - throw new WarningException("Mismatched 'if', 'endif' pair"); - } - } - - return xmlText.ToString(); - } - - #endregion - } + case "if": + m_IfStack.Push(context); + context = new IfContext(context.Keep & context.Active, ParseExpression(reader.Value), IfState.If); + ignore = true; + break; + + case "elseif": + if(m_IfStack.Count == 0) + { + throw new WarningException("Unexpected 'elseif' outside of 'if'"); + } + if(context.State != IfState.If && context.State != IfState.ElseIf) + { + throw new WarningException("Unexpected 'elseif' outside of 'if'"); + } + + context.State = IfState.ElseIf; + if(!context.EverKept) + { + context.Keep = ParseExpression(reader.Value); + } + else + { + context.Keep = false; + } + + ignore = true; + break; + + case "else": + if(m_IfStack.Count == 0) + { + throw new WarningException("Unexpected 'else' outside of 'if'"); + } + if(context.State != IfState.If && context.State != IfState.ElseIf) + { + throw new WarningException("Unexpected 'else' outside of 'if'"); + } + + context.State = IfState.Else; + context.Keep = !context.EverKept; + ignore = true; + break; + + case "endif": + if(m_IfStack.Count == 0) + { + throw new WarningException("Unexpected 'endif' outside of 'if'"); + } + + context = m_IfStack.Pop(); + ignore = true; + break; + } + + if(ignore) + { + continue; + } + }//end pre-proc instruction + + if(!context.Active || !context.Keep) + { + continue; + } + + switch(reader.NodeType) + { + case XmlNodeType.Element: + bool empty = reader.IsEmptyElement; + writer.WriteStartElement(reader.Name); + + while (reader.MoveToNextAttribute()) + { + writer.WriteAttributeString(reader.Name, reader.Value); + } + + if(empty) + { + writer.WriteEndElement(); + } + + break; + + case XmlNodeType.EndElement: + writer.WriteEndElement(); + break; + + case XmlNodeType.Text: + writer.WriteString(reader.Value); + break; + + case XmlNodeType.CDATA: + writer.WriteCData(reader.Value); + break; + + default: + break; + } + } + + if(m_IfStack.Count != 0) + { + throw new WarningException("Mismatched 'if', 'endif' pair"); + } + } + + return xmlText.ToString(); + } + + #endregion + } } -- cgit v1.1