diff --git a/src/Generator.Converter/Options.cs b/src/Generator.Converter/Options.cs index ac5e9ce0..372d5e88 100644 --- a/src/Generator.Converter/Options.cs +++ b/src/Generator.Converter/Options.cs @@ -149,928 +149,928 @@ namespace NDesk.Options namespace Mono.Options #endif { - public class OptionValueCollection : IList, IList { + public class OptionValueCollection : IList, IList { - List values = new List (); - OptionContext c; + List values = new List (); + OptionContext c; - internal OptionValueCollection (OptionContext c) - { - this.c = c; - } + internal OptionValueCollection (OptionContext c) + { + this.c = c; + } void ICollection.CopyTo (Array array, int index) {(values as ICollection).CopyTo (array, index);} - bool ICollection.IsSynchronized {get {return (values as ICollection).IsSynchronized;}} - object ICollection.SyncRoot {get {return (values as ICollection).SyncRoot;}} + bool ICollection.IsSynchronized {get {return (values as ICollection).IsSynchronized;}} + object ICollection.SyncRoot {get {return (values as ICollection).SyncRoot;}} public void Add (string item) {values.Add (item);} - public void Clear () {values.Clear ();} - public bool Contains (string item) {return values.Contains (item);} - public void CopyTo (string[] array, int arrayIndex) {values.CopyTo (array, arrayIndex);} - public bool Remove (string item) {return values.Remove (item);} - public int Count {get {return values.Count;}} - public bool IsReadOnly {get {return false;}} + public void Clear () {values.Clear ();} + public bool Contains (string item) {return values.Contains (item);} + public void CopyTo (string[] array, int arrayIndex) {values.CopyTo (array, arrayIndex);} + public bool Remove (string item) {return values.Remove (item);} + public int Count {get {return values.Count;}} + public bool IsReadOnly {get {return false;}} IEnumerator IEnumerable.GetEnumerator () {return values.GetEnumerator ();} public IEnumerator GetEnumerator () {return values.GetEnumerator ();} int IList.Add (object value) {return (values as IList).Add (value);} - bool IList.Contains (object value) {return (values as IList).Contains (value);} - int IList.IndexOf (object value) {return (values as IList).IndexOf (value);} - void IList.Insert (int index, object value) {(values as IList).Insert (index, value);} - void IList.Remove (object value) {(values as IList).Remove (value);} - void IList.RemoveAt (int index) {(values as IList).RemoveAt (index);} - bool IList.IsFixedSize {get {return false;}} - object IList.this [int index] {get {return this [index];} set {(values as IList)[index] = value;}} + bool IList.Contains (object value) {return (values as IList).Contains (value);} + int IList.IndexOf (object value) {return (values as IList).IndexOf (value);} + void IList.Insert (int index, object value) {(values as IList).Insert (index, value);} + void IList.Remove (object value) {(values as IList).Remove (value);} + void IList.RemoveAt (int index) {(values as IList).RemoveAt (index);} + bool IList.IsFixedSize {get {return false;}} + object IList.this [int index] {get {return this [index];} set {(values as IList)[index] = value;}} public int IndexOf (string item) {return values.IndexOf (item);} - public void Insert (int index, string item) {values.Insert (index, item);} - public void RemoveAt (int index) {values.RemoveAt (index);} - - private void AssertValid (int index) - { - if (c.Option == null) - throw new InvalidOperationException ("OptionContext.Option is null."); - if (index >= c.Option.MaxValueCount) - throw new ArgumentOutOfRangeException ("index"); - if (c.Option.OptionValueType == OptionValueType.Required && - index >= values.Count) - throw new OptionException (string.Format ( - c.OptionSet.MessageLocalizer ("Missing required value for option '{0}'."), c.OptionName), - c.OptionName); - } - - public string this [int index] { - get { - AssertValid (index); - return index >= values.Count ? null : values [index]; - } - set { - values [index] = value; - } - } - - public List ToList () - { - return new List (values); - } - - public string[] ToArray () - { - return values.ToArray (); - } - - public override string ToString () - { - return string.Join (", ", values.ToArray ()); - } - } - - public class OptionContext { - private Option option; - private string name; - private int index; - private OptionSet set; - private OptionValueCollection c; - - public OptionContext (OptionSet set) - { - this.set = set; - this.c = new OptionValueCollection (this); - } - - public Option Option { - get {return option;} - set {option = value;} - } - - public string OptionName { - get {return name;} - set {name = value;} - } - - public int OptionIndex { - get {return index;} - set {index = value;} - } - - public OptionSet OptionSet { - get {return set;} - } - - public OptionValueCollection OptionValues { - get {return c;} - } - } - - public enum OptionValueType { - None, - Optional, - Required, - } - - public abstract class Option { - string prototype, description; - string[] names; - OptionValueType type; - int count; - string[] separators; - - protected Option (string prototype, string description) - : this (prototype, description, 1) - { - } - - protected Option (string prototype, string description, int maxValueCount) - { - if (prototype == null) - throw new ArgumentNullException ("prototype"); - if (prototype.Length == 0) - throw new ArgumentException ("Cannot be the empty string.", "prototype"); - if (maxValueCount < 0) - throw new ArgumentOutOfRangeException ("maxValueCount"); - - this.prototype = prototype; - this.names = prototype.Split ('|'); - this.description = description; - this.count = maxValueCount; - this.type = ParsePrototype (); - - if (this.count == 0 && type != OptionValueType.None) - throw new ArgumentException ( - "Cannot provide maxValueCount of 0 for OptionValueType.Required or " + - "OptionValueType.Optional.", - "maxValueCount"); - if (this.type == OptionValueType.None && maxValueCount > 1) - throw new ArgumentException ( - string.Format ("Cannot provide maxValueCount of {0} for OptionValueType.None.", maxValueCount), - "maxValueCount"); - if (Array.IndexOf (names, "<>") >= 0 && - ((names.Length == 1 && this.type != OptionValueType.None) || - (names.Length > 1 && this.MaxValueCount > 1))) - throw new ArgumentException ( - "The default option handler '<>' cannot require values.", - "prototype"); - } - - public string Prototype {get {return prototype;}} - public string Description {get {return description;}} - public OptionValueType OptionValueType {get {return type;}} - public int MaxValueCount {get {return count;}} - - public string[] GetNames () - { - return (string[]) names.Clone (); - } - - public string[] GetValueSeparators () - { - if (separators == null) - return new string [0]; - return (string[]) separators.Clone (); - } - - protected static T Parse (string value, OptionContext c) - { - Type tt = typeof (T); - bool nullable = tt.IsValueType && tt.IsGenericType && - !tt.IsGenericTypeDefinition && - tt.GetGenericTypeDefinition () == typeof (Nullable<>); - Type targetType = nullable ? tt.GetGenericArguments () [0] : typeof (T); - TypeConverter conv = TypeDescriptor.GetConverter (targetType); - T t = default (T); - try { - if (value != null) - t = (T) conv.ConvertFromString (value); - } - catch (Exception e) { - throw new OptionException ( - string.Format ( - c.OptionSet.MessageLocalizer ("Could not convert string `{0}' to type {1} for option `{2}'."), - value, targetType.Name, c.OptionName), - c.OptionName, e); - } - return t; - } - - internal string[] Names {get {return names;}} - internal string[] ValueSeparators {get {return separators;}} - - static readonly char[] NameTerminator = new char[]{'=', ':'}; - - private OptionValueType ParsePrototype () - { - char type = '\0'; - List seps = new List (); - for (int i = 0; i < names.Length; ++i) { - string name = names [i]; - if (name.Length == 0) - throw new ArgumentException ("Empty option names are not supported.", "prototype"); - - int end = name.IndexOfAny (NameTerminator); - if (end == -1) - continue; - names [i] = name.Substring (0, end); - if (type == '\0' || type == name [end]) - type = name [end]; - else - throw new ArgumentException ( - string.Format ("Conflicting option types: '{0}' vs. '{1}'.", type, name [end]), - "prototype"); - AddSeparators (name, end, seps); - } - - if (type == '\0') - return OptionValueType.None; - - if (count <= 1 && seps.Count != 0) - throw new ArgumentException ( - string.Format ("Cannot provide key/value separators for Options taking {0} value(s).", count), - "prototype"); - if (count > 1) { - if (seps.Count == 0) - this.separators = new string[]{":", "="}; - else if (seps.Count == 1 && seps [0].Length == 0) - this.separators = null; - else - this.separators = seps.ToArray (); - } - - return type == '=' ? OptionValueType.Required : OptionValueType.Optional; - } - - private static void AddSeparators (string name, int end, ICollection seps) - { - int start = -1; - for (int i = end+1; i < name.Length; ++i) { - switch (name [i]) { - case '{': - if (start != -1) - throw new ArgumentException ( - string.Format ("Ill-formed name/value separator found in \"{0}\".", name), - "prototype"); - start = i+1; - break; - case '}': - if (start == -1) - throw new ArgumentException ( - string.Format ("Ill-formed name/value separator found in \"{0}\".", name), - "prototype"); - seps.Add (name.Substring (start, i-start)); - start = -1; - break; - default: - if (start == -1) - seps.Add (name [i].ToString ()); - break; - } - } - if (start != -1) - throw new ArgumentException ( - string.Format ("Ill-formed name/value separator found in \"{0}\".", name), - "prototype"); - } - - public void Invoke (OptionContext c) - { - OnParseComplete (c); - c.OptionName = null; - c.Option = null; - c.OptionValues.Clear (); - } - - protected abstract void OnParseComplete (OptionContext c); - - public override string ToString () - { - return Prototype; - } - } - - [Serializable] - public class OptionException : Exception { - private string option; - - public OptionException () - { - } - - public OptionException (string message, string optionName) - : base (message) - { - this.option = optionName; - } - - public OptionException (string message, string optionName, Exception innerException) - : base (message, innerException) - { - this.option = optionName; - } - - protected OptionException (SerializationInfo info, StreamingContext context) - : base (info, context) - { - this.option = info.GetString ("OptionName"); - } - - public string OptionName { - get {return this.option;} - } - - [SecurityPermission (SecurityAction.LinkDemand, SerializationFormatter = true)] - public override void GetObjectData (SerializationInfo info, StreamingContext context) - { - base.GetObjectData (info, context); - info.AddValue ("OptionName", option); - } - } - - public delegate void OptionAction (TKey key, TValue value); - - public class OptionSet : KeyedCollection - { - public OptionSet () - : this (delegate (string f) {return f;}) - { - } - - public OptionSet (Converter localizer) - { - this.localizer = localizer; - } - - Converter localizer; - - public Converter MessageLocalizer { - get {return localizer;} - } - - protected override string GetKeyForItem (Option item) - { - if (item == null) - throw new ArgumentNullException ("option"); - if (item.Names != null && item.Names.Length > 0) - return item.Names [0]; - // This should never happen, as it's invalid for Option to be - // constructed w/o any names. - throw new InvalidOperationException ("Option has no names!"); - } - - protected override void InsertItem (int index, Option item) - { - base.InsertItem (index, item); - AddImpl (item); - } - - protected override void RemoveItem (int index) - { - base.RemoveItem (index); - Option p = Items [index]; - // KeyedCollection.RemoveItem() handles the 0th item - for (int i = 1; i < p.Names.Length; ++i) { - Dictionary.Remove (p.Names [i]); - } - } - - protected override void SetItem (int index, Option item) - { - base.SetItem (index, item); - RemoveItem (index); - AddImpl (item); - } - - private void AddImpl (Option option) - { - if (option == null) - throw new ArgumentNullException ("option"); - List added = new List (option.Names.Length); - try { - // KeyedCollection.InsertItem/SetItem handle the 0th name. - for (int i = 1; i < option.Names.Length; ++i) { - Dictionary.Add (option.Names [i], option); - added.Add (option.Names [i]); - } - } - catch (Exception) { - foreach (string name in added) - Dictionary.Remove (name); - throw; - } - } - - public new OptionSet Add (Option option) - { - base.Add (option); - return this; - } - - sealed class ActionOption : Option { - Action action; - - public ActionOption (string prototype, string description, int count, Action action) - : base (prototype, description, count) - { - if (action == null) - throw new ArgumentNullException ("action"); - this.action = action; - } - - protected override void OnParseComplete (OptionContext c) - { - action (c.OptionValues); - } - } - - public OptionSet Add (string prototype, Action action) - { - return Add (prototype, null, action); - } - - public OptionSet Add (string prototype, string description, Action action) - { - if (action == null) - throw new ArgumentNullException ("action"); - Option p = new ActionOption (prototype, description, 1, - delegate (OptionValueCollection v) { action (v [0]); }); - base.Add (p); - return this; - } - - public OptionSet Add (string prototype, OptionAction action) - { - return Add (prototype, null, action); - } - - public OptionSet Add (string prototype, string description, OptionAction action) - { - if (action == null) - throw new ArgumentNullException ("action"); - Option p = new ActionOption (prototype, description, 2, - delegate (OptionValueCollection v) {action (v [0], v [1]);}); - base.Add (p); - return this; - } - - sealed class ActionOption : Option { - Action action; - - public ActionOption (string prototype, string description, Action action) - : base (prototype, description, 1) - { - if (action == null) - throw new ArgumentNullException ("action"); - this.action = action; - } - - protected override void OnParseComplete (OptionContext c) - { - action (Parse (c.OptionValues [0], c)); - } - } - - sealed class ActionOption : Option { - OptionAction action; - - public ActionOption (string prototype, string description, OptionAction action) - : base (prototype, description, 2) - { - if (action == null) - throw new ArgumentNullException ("action"); - this.action = action; - } - - protected override void OnParseComplete (OptionContext c) - { - action ( - Parse (c.OptionValues [0], c), - Parse (c.OptionValues [1], c)); - } - } - - public OptionSet Add (string prototype, Action action) - { - return Add (prototype, null, action); - } - - public OptionSet Add (string prototype, string description, Action action) - { - return Add (new ActionOption (prototype, description, action)); - } - - public OptionSet Add (string prototype, OptionAction action) - { - return Add (prototype, null, action); - } - - public OptionSet Add (string prototype, string description, OptionAction action) - { - return Add (new ActionOption (prototype, description, action)); - } - - protected virtual OptionContext CreateOptionContext () - { - return new OptionContext (this); - } + public void Insert (int index, string item) {values.Insert (index, item);} + public void RemoveAt (int index) {values.RemoveAt (index);} + + private void AssertValid (int index) + { + if (c.Option == null) + throw new InvalidOperationException ("OptionContext.Option is null."); + if (index >= c.Option.MaxValueCount) + throw new ArgumentOutOfRangeException ("index"); + if (c.Option.OptionValueType == OptionValueType.Required && + index >= values.Count) + throw new OptionException (string.Format ( + c.OptionSet.MessageLocalizer ("Missing required value for option '{0}'."), c.OptionName), + c.OptionName); + } + + public string this [int index] { + get { + AssertValid (index); + return index >= values.Count ? null : values [index]; + } + set { + values [index] = value; + } + } + + public List ToList () + { + return new List (values); + } + + public string[] ToArray () + { + return values.ToArray (); + } + + public override string ToString () + { + return string.Join (", ", values.ToArray ()); + } + } + + public class OptionContext { + private Option option; + private string name; + private int index; + private OptionSet set; + private OptionValueCollection c; + + public OptionContext (OptionSet set) + { + this.set = set; + this.c = new OptionValueCollection (this); + } + + public Option Option { + get {return option;} + set {option = value;} + } + + public string OptionName { + get {return name;} + set {name = value;} + } + + public int OptionIndex { + get {return index;} + set {index = value;} + } + + public OptionSet OptionSet { + get {return set;} + } + + public OptionValueCollection OptionValues { + get {return c;} + } + } + + public enum OptionValueType { + None, + Optional, + Required, + } + + public abstract class Option { + string prototype, description; + string[] names; + OptionValueType type; + int count; + string[] separators; + + protected Option (string prototype, string description) + : this (prototype, description, 1) + { + } + + protected Option (string prototype, string description, int maxValueCount) + { + if (prototype == null) + throw new ArgumentNullException ("prototype"); + if (prototype.Length == 0) + throw new ArgumentException ("Cannot be the empty string.", "prototype"); + if (maxValueCount < 0) + throw new ArgumentOutOfRangeException ("maxValueCount"); + + this.prototype = prototype; + this.names = prototype.Split ('|'); + this.description = description; + this.count = maxValueCount; + this.type = ParsePrototype (); + + if (this.count == 0 && type != OptionValueType.None) + throw new ArgumentException ( + "Cannot provide maxValueCount of 0 for OptionValueType.Required or " + + "OptionValueType.Optional.", + "maxValueCount"); + if (this.type == OptionValueType.None && maxValueCount > 1) + throw new ArgumentException ( + string.Format ("Cannot provide maxValueCount of {0} for OptionValueType.None.", maxValueCount), + "maxValueCount"); + if (Array.IndexOf (names, "<>") >= 0 && + ((names.Length == 1 && this.type != OptionValueType.None) || + (names.Length > 1 && this.MaxValueCount > 1))) + throw new ArgumentException ( + "The default option handler '<>' cannot require values.", + "prototype"); + } + + public string Prototype {get {return prototype;}} + public string Description {get {return description;}} + public OptionValueType OptionValueType {get {return type;}} + public int MaxValueCount {get {return count;}} + + public string[] GetNames () + { + return (string[]) names.Clone (); + } + + public string[] GetValueSeparators () + { + if (separators == null) + return new string [0]; + return (string[]) separators.Clone (); + } + + protected static T Parse (string value, OptionContext c) + { + Type tt = typeof (T); + bool nullable = tt.IsValueType && tt.IsGenericType && + !tt.IsGenericTypeDefinition && + tt.GetGenericTypeDefinition () == typeof (Nullable<>); + Type targetType = nullable ? tt.GetGenericArguments () [0] : typeof (T); + TypeConverter conv = TypeDescriptor.GetConverter (targetType); + T t = default (T); + try { + if (value != null) + t = (T) conv.ConvertFromString (value); + } + catch (Exception e) { + throw new OptionException ( + string.Format ( + c.OptionSet.MessageLocalizer ("Could not convert string `{0}' to type {1} for option `{2}'."), + value, targetType.Name, c.OptionName), + c.OptionName, e); + } + return t; + } + + internal string[] Names {get {return names;}} + internal string[] ValueSeparators {get {return separators;}} + + static readonly char[] NameTerminator = new char[]{'=', ':'}; + + private OptionValueType ParsePrototype () + { + char type = '\0'; + List seps = new List (); + for (int i = 0; i < names.Length; ++i) { + string name = names [i]; + if (name.Length == 0) + throw new ArgumentException ("Empty option names are not supported.", "prototype"); + + int end = name.IndexOfAny (NameTerminator); + if (end == -1) + continue; + names [i] = name.Substring (0, end); + if (type == '\0' || type == name [end]) + type = name [end]; + else + throw new ArgumentException ( + string.Format ("Conflicting option types: '{0}' vs. '{1}'.", type, name [end]), + "prototype"); + AddSeparators (name, end, seps); + } + + if (type == '\0') + return OptionValueType.None; + + if (count <= 1 && seps.Count != 0) + throw new ArgumentException ( + string.Format ("Cannot provide key/value separators for Options taking {0} value(s).", count), + "prototype"); + if (count > 1) { + if (seps.Count == 0) + this.separators = new string[]{":", "="}; + else if (seps.Count == 1 && seps [0].Length == 0) + this.separators = null; + else + this.separators = seps.ToArray (); + } + + return type == '=' ? OptionValueType.Required : OptionValueType.Optional; + } + + private static void AddSeparators (string name, int end, ICollection seps) + { + int start = -1; + for (int i = end+1; i < name.Length; ++i) { + switch (name [i]) { + case '{': + if (start != -1) + throw new ArgumentException ( + string.Format ("Ill-formed name/value separator found in \"{0}\".", name), + "prototype"); + start = i+1; + break; + case '}': + if (start == -1) + throw new ArgumentException ( + string.Format ("Ill-formed name/value separator found in \"{0}\".", name), + "prototype"); + seps.Add (name.Substring (start, i-start)); + start = -1; + break; + default: + if (start == -1) + seps.Add (name [i].ToString ()); + break; + } + } + if (start != -1) + throw new ArgumentException ( + string.Format ("Ill-formed name/value separator found in \"{0}\".", name), + "prototype"); + } + + public void Invoke (OptionContext c) + { + OnParseComplete (c); + c.OptionName = null; + c.Option = null; + c.OptionValues.Clear (); + } + + protected abstract void OnParseComplete (OptionContext c); + + public override string ToString () + { + return Prototype; + } + } + + [Serializable] + public class OptionException : Exception { + private string option; + + public OptionException () + { + } + + public OptionException (string message, string optionName) + : base (message) + { + this.option = optionName; + } + + public OptionException (string message, string optionName, Exception innerException) + : base (message, innerException) + { + this.option = optionName; + } + + protected OptionException (SerializationInfo info, StreamingContext context) + : base (info, context) + { + this.option = info.GetString ("OptionName"); + } + + public string OptionName { + get {return this.option;} + } + + [SecurityPermission (SecurityAction.LinkDemand, SerializationFormatter = true)] + public override void GetObjectData (SerializationInfo info, StreamingContext context) + { + base.GetObjectData (info, context); + info.AddValue ("OptionName", option); + } + } + + public delegate void OptionAction (TKey key, TValue value); + + public class OptionSet : KeyedCollection + { + public OptionSet () + : this (delegate (string f) {return f;}) + { + } + + public OptionSet (Converter localizer) + { + this.localizer = localizer; + } + + Converter localizer; + + public Converter MessageLocalizer { + get {return localizer;} + } + + protected override string GetKeyForItem (Option item) + { + if (item == null) + throw new ArgumentNullException ("option"); + if (item.Names != null && item.Names.Length > 0) + return item.Names [0]; + // This should never happen, as it's invalid for Option to be + // constructed w/o any names. + throw new InvalidOperationException ("Option has no names!"); + } + + protected override void InsertItem (int index, Option item) + { + base.InsertItem (index, item); + AddImpl (item); + } + + protected override void RemoveItem (int index) + { + base.RemoveItem (index); + Option p = Items [index]; + // KeyedCollection.RemoveItem() handles the 0th item + for (int i = 1; i < p.Names.Length; ++i) { + Dictionary.Remove (p.Names [i]); + } + } + + protected override void SetItem (int index, Option item) + { + base.SetItem (index, item); + RemoveItem (index); + AddImpl (item); + } + + private void AddImpl (Option option) + { + if (option == null) + throw new ArgumentNullException ("option"); + List added = new List (option.Names.Length); + try { + // KeyedCollection.InsertItem/SetItem handle the 0th name. + for (int i = 1; i < option.Names.Length; ++i) { + Dictionary.Add (option.Names [i], option); + added.Add (option.Names [i]); + } + } + catch (Exception) { + foreach (string name in added) + Dictionary.Remove (name); + throw; + } + } + + public new OptionSet Add (Option option) + { + base.Add (option); + return this; + } + + sealed class ActionOption : Option { + Action action; + + public ActionOption (string prototype, string description, int count, Action action) + : base (prototype, description, count) + { + if (action == null) + throw new ArgumentNullException ("action"); + this.action = action; + } + + protected override void OnParseComplete (OptionContext c) + { + action (c.OptionValues); + } + } + + public OptionSet Add (string prototype, Action action) + { + return Add (prototype, null, action); + } + + public OptionSet Add (string prototype, string description, Action action) + { + if (action == null) + throw new ArgumentNullException ("action"); + Option p = new ActionOption (prototype, description, 1, + delegate (OptionValueCollection v) { action (v [0]); }); + base.Add (p); + return this; + } + + public OptionSet Add (string prototype, OptionAction action) + { + return Add (prototype, null, action); + } + + public OptionSet Add (string prototype, string description, OptionAction action) + { + if (action == null) + throw new ArgumentNullException ("action"); + Option p = new ActionOption (prototype, description, 2, + delegate (OptionValueCollection v) {action (v [0], v [1]);}); + base.Add (p); + return this; + } + + sealed class ActionOption : Option { + Action action; + + public ActionOption (string prototype, string description, Action action) + : base (prototype, description, 1) + { + if (action == null) + throw new ArgumentNullException ("action"); + this.action = action; + } + + protected override void OnParseComplete (OptionContext c) + { + action (Parse (c.OptionValues [0], c)); + } + } + + sealed class ActionOption : Option { + OptionAction action; + + public ActionOption (string prototype, string description, OptionAction action) + : base (prototype, description, 2) + { + if (action == null) + throw new ArgumentNullException ("action"); + this.action = action; + } + + protected override void OnParseComplete (OptionContext c) + { + action ( + Parse (c.OptionValues [0], c), + Parse (c.OptionValues [1], c)); + } + } + + public OptionSet Add (string prototype, Action action) + { + return Add (prototype, null, action); + } + + public OptionSet Add (string prototype, string description, Action action) + { + return Add (new ActionOption (prototype, description, action)); + } + + public OptionSet Add (string prototype, OptionAction action) + { + return Add (prototype, null, action); + } + + public OptionSet Add (string prototype, string description, OptionAction action) + { + return Add (new ActionOption (prototype, description, action)); + } + + protected virtual OptionContext CreateOptionContext () + { + return new OptionContext (this); + } #if LINQ - public List Parse (IEnumerable arguments) - { - bool process = true; - OptionContext c = CreateOptionContext (); - c.OptionIndex = -1; - var def = GetOptionForName ("<>"); - var unprocessed = - from argument in arguments - where ++c.OptionIndex >= 0 && (process || def != null) - ? process - ? argument == "--" - ? (process = false) - : !Parse (argument, c) - ? def != null - ? Unprocessed (null, def, c, argument) - : true - : false - : def != null - ? Unprocessed (null, def, c, argument) - : true - : true - select argument; - List r = unprocessed.ToList (); - if (c.Option != null) - c.Option.Invoke (c); - return r; - } + public List Parse (IEnumerable arguments) + { + bool process = true; + OptionContext c = CreateOptionContext (); + c.OptionIndex = -1; + var def = GetOptionForName ("<>"); + var unprocessed = + from argument in arguments + where ++c.OptionIndex >= 0 && (process || def != null) + ? process + ? argument == "--" + ? (process = false) + : !Parse (argument, c) + ? def != null + ? Unprocessed (null, def, c, argument) + : true + : false + : def != null + ? Unprocessed (null, def, c, argument) + : true + : true + select argument; + List r = unprocessed.ToList (); + if (c.Option != null) + c.Option.Invoke (c); + return r; + } #else - public List Parse (IEnumerable arguments) - { - OptionContext c = CreateOptionContext (); - c.OptionIndex = -1; - bool process = true; - List unprocessed = new List (); - Option def = Contains ("<>") ? this ["<>"] : null; - foreach (string argument in arguments) { - ++c.OptionIndex; - if (argument == "--") { - process = false; - continue; - } - if (!process) { - Unprocessed (unprocessed, def, c, argument); - continue; - } - if (!Parse (argument, c)) - Unprocessed (unprocessed, def, c, argument); - } - if (c.Option != null) - c.Option.Invoke (c); - return unprocessed; - } + public List Parse (IEnumerable arguments) + { + OptionContext c = CreateOptionContext (); + c.OptionIndex = -1; + bool process = true; + List unprocessed = new List (); + Option def = Contains ("<>") ? this ["<>"] : null; + foreach (string argument in arguments) { + ++c.OptionIndex; + if (argument == "--") { + process = false; + continue; + } + if (!process) { + Unprocessed (unprocessed, def, c, argument); + continue; + } + if (!Parse (argument, c)) + Unprocessed (unprocessed, def, c, argument); + } + if (c.Option != null) + c.Option.Invoke (c); + return unprocessed; + } #endif - private static bool Unprocessed (ICollection extra, Option def, OptionContext c, string argument) - { - if (def == null) { - extra.Add (argument); - return false; - } - c.OptionValues.Add (argument); - c.Option = def; - c.Option.Invoke (c); - return false; - } + private static bool Unprocessed (ICollection extra, Option def, OptionContext c, string argument) + { + if (def == null) { + extra.Add (argument); + return false; + } + c.OptionValues.Add (argument); + c.Option = def; + c.Option.Invoke (c); + return false; + } - private readonly Regex ValueOption = new Regex ( - @"^(?--|-|/)(?[^:=]+)((?[:=])(?.*))?$"); + private readonly Regex ValueOption = new Regex ( + @"^(?--|-|/)(?[^:=]+)((?[:=])(?.*))?$"); - protected bool GetOptionParts (string argument, out string flag, out string name, out string sep, out string value) - { - if (argument == null) - throw new ArgumentNullException ("argument"); + protected bool GetOptionParts (string argument, out string flag, out string name, out string sep, out string value) + { + if (argument == null) + throw new ArgumentNullException ("argument"); - flag = name = sep = value = null; - Match m = ValueOption.Match (argument); - if (!m.Success) { - return false; - } - flag = m.Groups ["flag"].Value; - name = m.Groups ["name"].Value; - if (m.Groups ["sep"].Success && m.Groups ["value"].Success) { - sep = m.Groups ["sep"].Value; - value = m.Groups ["value"].Value; - } - return true; - } + flag = name = sep = value = null; + Match m = ValueOption.Match (argument); + if (!m.Success) { + return false; + } + flag = m.Groups ["flag"].Value; + name = m.Groups ["name"].Value; + if (m.Groups ["sep"].Success && m.Groups ["value"].Success) { + sep = m.Groups ["sep"].Value; + value = m.Groups ["value"].Value; + } + return true; + } - protected virtual bool Parse (string argument, OptionContext c) - { - if (c.Option != null) { - ParseValue (argument, c); - return true; - } + protected virtual bool Parse (string argument, OptionContext c) + { + if (c.Option != null) { + ParseValue (argument, c); + return true; + } - string f, n, s, v; - if (!GetOptionParts (argument, out f, out n, out s, out v)) - return false; + string f, n, s, v; + if (!GetOptionParts (argument, out f, out n, out s, out v)) + return false; - Option p; - if (Contains (n)) { - p = this [n]; - c.OptionName = f + n; - c.Option = p; - switch (p.OptionValueType) { - case OptionValueType.None: - c.OptionValues.Add (n); - c.Option.Invoke (c); - break; - case OptionValueType.Optional: - case OptionValueType.Required: - ParseValue (v, c); - break; - } - return true; - } - // no match; is it a bool option? - if (ParseBool (argument, n, c)) - return true; - // is it a bundled option? - if (ParseBundledValue (f, string.Concat (n + s + v), c)) - return true; + Option p; + if (Contains (n)) { + p = this [n]; + c.OptionName = f + n; + c.Option = p; + switch (p.OptionValueType) { + case OptionValueType.None: + c.OptionValues.Add (n); + c.Option.Invoke (c); + break; + case OptionValueType.Optional: + case OptionValueType.Required: + ParseValue (v, c); + break; + } + return true; + } + // no match; is it a bool option? + if (ParseBool (argument, n, c)) + return true; + // is it a bundled option? + if (ParseBundledValue (f, string.Concat (n + s + v), c)) + return true; - return false; - } + return false; + } - private void ParseValue (string option, OptionContext c) - { - if (option != null) - foreach (string o in c.Option.ValueSeparators != null - ? option.Split (c.Option.ValueSeparators, StringSplitOptions.None) - : new string[]{option}) { - c.OptionValues.Add (o); - } - if (c.OptionValues.Count == c.Option.MaxValueCount || - c.Option.OptionValueType == OptionValueType.Optional) - c.Option.Invoke (c); - else if (c.OptionValues.Count > c.Option.MaxValueCount) { - throw new OptionException (localizer (string.Format ( - "Error: Found {0} option values when expecting {1}.", - c.OptionValues.Count, c.Option.MaxValueCount)), - c.OptionName); - } - } + private void ParseValue (string option, OptionContext c) + { + if (option != null) + foreach (string o in c.Option.ValueSeparators != null + ? option.Split (c.Option.ValueSeparators, StringSplitOptions.None) + : new string[]{option}) { + c.OptionValues.Add (o); + } + if (c.OptionValues.Count == c.Option.MaxValueCount || + c.Option.OptionValueType == OptionValueType.Optional) + c.Option.Invoke (c); + else if (c.OptionValues.Count > c.Option.MaxValueCount) { + throw new OptionException (localizer (string.Format ( + "Error: Found {0} option values when expecting {1}.", + c.OptionValues.Count, c.Option.MaxValueCount)), + c.OptionName); + } + } - private bool ParseBool (string option, string n, OptionContext c) - { - Option p; - string rn; - if (n.Length >= 1 && (n [n.Length-1] == '+' || n [n.Length-1] == '-') && - Contains ((rn = n.Substring (0, n.Length-1)))) { - p = this [rn]; - string v = n [n.Length-1] == '+' ? option : null; - c.OptionName = option; - c.Option = p; - c.OptionValues.Add (v); - p.Invoke (c); - return true; - } - return false; - } + private bool ParseBool (string option, string n, OptionContext c) + { + Option p; + string rn; + if (n.Length >= 1 && (n [n.Length-1] == '+' || n [n.Length-1] == '-') && + Contains ((rn = n.Substring (0, n.Length-1)))) { + p = this [rn]; + string v = n [n.Length-1] == '+' ? option : null; + c.OptionName = option; + c.Option = p; + c.OptionValues.Add (v); + p.Invoke (c); + return true; + } + return false; + } - private bool ParseBundledValue (string f, string n, OptionContext c) - { - if (f != "-") - return false; - for (int i = 0; i < n.Length; ++i) { - Option p; - string opt = f + n [i].ToString (); - string rn = n [i].ToString (); - if (!Contains (rn)) { - if (i == 0) - return false; - throw new OptionException (string.Format (localizer ( - "Cannot bundle unregistered option '{0}'."), opt), opt); - } - p = this [rn]; - switch (p.OptionValueType) { - case OptionValueType.None: - Invoke (c, opt, n, p); - break; - case OptionValueType.Optional: - case OptionValueType.Required: { - string v = n.Substring (i+1); - c.Option = p; - c.OptionName = opt; - ParseValue (v.Length != 0 ? v : null, c); - return true; - } - default: - throw new InvalidOperationException ("Unknown OptionValueType: " + p.OptionValueType); - } - } - return true; - } + private bool ParseBundledValue (string f, string n, OptionContext c) + { + if (f != "-") + return false; + for (int i = 0; i < n.Length; ++i) { + Option p; + string opt = f + n [i].ToString (); + string rn = n [i].ToString (); + if (!Contains (rn)) { + if (i == 0) + return false; + throw new OptionException (string.Format (localizer ( + "Cannot bundle unregistered option '{0}'."), opt), opt); + } + p = this [rn]; + switch (p.OptionValueType) { + case OptionValueType.None: + Invoke (c, opt, n, p); + break; + case OptionValueType.Optional: + case OptionValueType.Required: { + string v = n.Substring (i+1); + c.Option = p; + c.OptionName = opt; + ParseValue (v.Length != 0 ? v : null, c); + return true; + } + default: + throw new InvalidOperationException ("Unknown OptionValueType: " + p.OptionValueType); + } + } + return true; + } - private static void Invoke (OptionContext c, string name, string value, Option option) - { - c.OptionName = name; - c.Option = option; - c.OptionValues.Add (value); - option.Invoke (c); - } + private static void Invoke (OptionContext c, string name, string value, Option option) + { + c.OptionName = name; + c.Option = option; + c.OptionValues.Add (value); + option.Invoke (c); + } - private const int OptionWidth = 29; + private const int OptionWidth = 29; - public void WriteOptionDescriptions (TextWriter o) - { - foreach (Option p in this) { - int written = 0; - if (!WriteOptionPrototype (o, p, ref written)) - continue; + public void WriteOptionDescriptions (TextWriter o) + { + foreach (Option p in this) { + int written = 0; + if (!WriteOptionPrototype (o, p, ref written)) + continue; - if (written < OptionWidth) - o.Write (new string (' ', OptionWidth - written)); - else { - o.WriteLine (); - o.Write (new string (' ', OptionWidth)); - } + if (written < OptionWidth) + o.Write (new string (' ', OptionWidth - written)); + else { + o.WriteLine (); + o.Write (new string (' ', OptionWidth)); + } - bool indent = false; - string prefix = new string (' ', OptionWidth+2); - foreach (string line in GetLines (localizer (GetDescription (p.Description)))) { - if (indent) - o.Write (prefix); - o.WriteLine (line); - indent = true; - } - } - } + bool indent = false; + string prefix = new string (' ', OptionWidth+2); + foreach (string line in GetLines (localizer (GetDescription (p.Description)))) { + if (indent) + o.Write (prefix); + o.WriteLine (line); + indent = true; + } + } + } - bool WriteOptionPrototype (TextWriter o, Option p, ref int written) - { - string[] names = p.Names; + bool WriteOptionPrototype (TextWriter o, Option p, ref int written) + { + string[] names = p.Names; - int i = GetNextOptionIndex (names, 0); - if (i == names.Length) - return false; + int i = GetNextOptionIndex (names, 0); + if (i == names.Length) + return false; - if (names [i].Length == 1) { - Write (o, ref written, " -"); - Write (o, ref written, names [0]); - } - else { - Write (o, ref written, " --"); - Write (o, ref written, names [0]); - } + if (names [i].Length == 1) { + Write (o, ref written, " -"); + Write (o, ref written, names [0]); + } + else { + Write (o, ref written, " --"); + Write (o, ref written, names [0]); + } - for ( i = GetNextOptionIndex (names, i+1); - i < names.Length; i = GetNextOptionIndex (names, i+1)) { - Write (o, ref written, ", "); - Write (o, ref written, names [i].Length == 1 ? "-" : "--"); - Write (o, ref written, names [i]); - } + for ( i = GetNextOptionIndex (names, i+1); + i < names.Length; i = GetNextOptionIndex (names, i+1)) { + Write (o, ref written, ", "); + Write (o, ref written, names [i].Length == 1 ? "-" : "--"); + Write (o, ref written, names [i]); + } - if (p.OptionValueType == OptionValueType.Optional || - p.OptionValueType == OptionValueType.Required) { - if (p.OptionValueType == OptionValueType.Optional) { - Write (o, ref written, localizer ("[")); - } - Write (o, ref written, localizer ("=" + GetArgumentName (0, p.MaxValueCount, p.Description))); - string sep = p.ValueSeparators != null && p.ValueSeparators.Length > 0 - ? p.ValueSeparators [0] - : " "; - for (int c = 1; c < p.MaxValueCount; ++c) { - Write (o, ref written, localizer (sep + GetArgumentName (c, p.MaxValueCount, p.Description))); - } - if (p.OptionValueType == OptionValueType.Optional) { - Write (o, ref written, localizer ("]")); - } - } - return true; - } + if (p.OptionValueType == OptionValueType.Optional || + p.OptionValueType == OptionValueType.Required) { + if (p.OptionValueType == OptionValueType.Optional) { + Write (o, ref written, localizer ("[")); + } + Write (o, ref written, localizer ("=" + GetArgumentName (0, p.MaxValueCount, p.Description))); + string sep = p.ValueSeparators != null && p.ValueSeparators.Length > 0 + ? p.ValueSeparators [0] + : " "; + for (int c = 1; c < p.MaxValueCount; ++c) { + Write (o, ref written, localizer (sep + GetArgumentName (c, p.MaxValueCount, p.Description))); + } + if (p.OptionValueType == OptionValueType.Optional) { + Write (o, ref written, localizer ("]")); + } + } + return true; + } - static int GetNextOptionIndex (string[] names, int i) - { - while (i < names.Length && names [i] == "<>") { - ++i; - } - return i; - } + static int GetNextOptionIndex (string[] names, int i) + { + while (i < names.Length && names [i] == "<>") { + ++i; + } + return i; + } - static void Write (TextWriter o, ref int n, string s) - { - n += s.Length; - o.Write (s); - } + static void Write (TextWriter o, ref int n, string s) + { + n += s.Length; + o.Write (s); + } - private static string GetArgumentName (int index, int maxIndex, string description) - { - if (description == null) - return maxIndex == 1 ? "VALUE" : "VALUE" + (index + 1); - string[] nameStart; - if (maxIndex == 1) - nameStart = new string[]{"{0:", "{"}; - else - nameStart = new string[]{"{" + index + ":"}; - for (int i = 0; i < nameStart.Length; ++i) { - int start, j = 0; - do { - start = description.IndexOf (nameStart [i], j); - } while (start >= 0 && j != 0 ? description [j++ - 1] == '{' : false); - if (start == -1) - continue; - int end = description.IndexOf ("}", start); - if (end == -1) - continue; - return description.Substring (start + nameStart [i].Length, end - start - nameStart [i].Length); - } - return maxIndex == 1 ? "VALUE" : "VALUE" + (index + 1); - } + private static string GetArgumentName (int index, int maxIndex, string description) + { + if (description == null) + return maxIndex == 1 ? "VALUE" : "VALUE" + (index + 1); + string[] nameStart; + if (maxIndex == 1) + nameStart = new string[]{"{0:", "{"}; + else + nameStart = new string[]{"{" + index + ":"}; + for (int i = 0; i < nameStart.Length; ++i) { + int start, j = 0; + do { + start = description.IndexOf (nameStart [i], j); + } while (start >= 0 && j != 0 ? description [j++ - 1] == '{' : false); + if (start == -1) + continue; + int end = description.IndexOf ("}", start); + if (end == -1) + continue; + return description.Substring (start + nameStart [i].Length, end - start - nameStart [i].Length); + } + return maxIndex == 1 ? "VALUE" : "VALUE" + (index + 1); + } - private static string GetDescription (string description) - { - if (description == null) - return string.Empty; - StringBuilder sb = new StringBuilder (description.Length); - int start = -1; - for (int i = 0; i < description.Length; ++i) { - switch (description [i]) { - case '{': - if (i == start) { - sb.Append ('{'); - start = -1; - } - else if (start < 0) - start = i + 1; - break; - case '}': - if (start < 0) { - if ((i+1) == description.Length || description [i+1] != '}') - throw new InvalidOperationException ("Invalid option description: " + description); - ++i; - sb.Append ("}"); - } - else { - sb.Append (description.Substring (start, i - start)); - start = -1; - } - break; - case ':': - if (start < 0) - goto default; - start = i + 1; - break; - default: - if (start < 0) - sb.Append (description [i]); - break; - } - } - return sb.ToString (); - } + private static string GetDescription (string description) + { + if (description == null) + return string.Empty; + StringBuilder sb = new StringBuilder (description.Length); + int start = -1; + for (int i = 0; i < description.Length; ++i) { + switch (description [i]) { + case '{': + if (i == start) { + sb.Append ('{'); + start = -1; + } + else if (start < 0) + start = i + 1; + break; + case '}': + if (start < 0) { + if ((i+1) == description.Length || description [i+1] != '}') + throw new InvalidOperationException ("Invalid option description: " + description); + ++i; + sb.Append ("}"); + } + else { + sb.Append (description.Substring (start, i - start)); + start = -1; + } + break; + case ':': + if (start < 0) + goto default; + start = i + 1; + break; + default: + if (start < 0) + sb.Append (description [i]); + break; + } + } + return sb.ToString (); + } - private static IEnumerable GetLines (string description) - { - if (string.IsNullOrEmpty (description)) { - yield return string.Empty; - yield break; - } - int length = 80 - OptionWidth - 1; - int start = 0, end; - do { - end = GetLineEnd (start, length, description); - char c = description [end-1]; - if (char.IsWhiteSpace (c)) - --end; - bool writeContinuation = end != description.Length && !IsEolChar (c); - string line = description.Substring (start, end - start) + - (writeContinuation ? "-" : ""); - yield return line; - start = end; - if (char.IsWhiteSpace (c)) - ++start; - length = 80 - OptionWidth - 2 - 1; - } while (end < description.Length); - } + private static IEnumerable GetLines (string description) + { + if (string.IsNullOrEmpty (description)) { + yield return string.Empty; + yield break; + } + int length = 80 - OptionWidth - 1; + int start = 0, end; + do { + end = GetLineEnd (start, length, description); + char c = description [end-1]; + if (char.IsWhiteSpace (c)) + --end; + bool writeContinuation = end != description.Length && !IsEolChar (c); + string line = description.Substring (start, end - start) + + (writeContinuation ? "-" : ""); + yield return line; + start = end; + if (char.IsWhiteSpace (c)) + ++start; + length = 80 - OptionWidth - 2 - 1; + } while (end < description.Length); + } - private static bool IsEolChar (char c) - { - return !char.IsLetterOrDigit (c); - } + private static bool IsEolChar (char c) + { + return !char.IsLetterOrDigit (c); + } - private static int GetLineEnd (int start, int length, string description) - { - int end = System.Math.Min (start + length, description.Length); - int sep = -1; - for (int i = start; i < end; ++i) { - if (description [i] == '\n') - return i+1; - if (IsEolChar (description [i])) - sep = i+1; - } - if (sep == -1 || end == description.Length) - return end; - return sep; - } - } + private static int GetLineEnd (int start, int length, string description) + { + int end = System.Math.Min (start + length, description.Length); + int sep = -1; + for (int i = start; i < end; ++i) { + if (description [i] == '\n') + return i+1; + if (IsEolChar (description [i])) + sep = i+1; + } + if (sep == -1 || end == description.Length) + return end; + return sep; + } + } }