diff options
Diffstat (limited to 'mcs/class/corlib/System.Text/StringBuilder.cs')
| -rw-r--r-- | mcs/class/corlib/System.Text/StringBuilder.cs | 619 |
1 files changed, 0 insertions, 619 deletions
diff --git a/mcs/class/corlib/System.Text/StringBuilder.cs b/mcs/class/corlib/System.Text/StringBuilder.cs deleted file mode 100644 index 693b3f45188..00000000000 --- a/mcs/class/corlib/System.Text/StringBuilder.cs +++ /dev/null @@ -1,619 +0,0 @@ -// -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
-//
-// System.Text.StringBuilder
-//
-// Author: Marcin Szczepanski (marcins@zipworld.com.au)
-//
-// TODO: Make sure the coding complies to the ECMA draft, there's some
-// variable names that probably don't (like sString)
-//
-using System.Runtime.CompilerServices;
-
-namespace System.Text {
-
- [Serializable]
- public sealed class StringBuilder {
-
- private const int defaultCapacity = 16;
-
- private int sCapacity;
- private int sLength;
- private char[] sString;
- private int sMaxCapacity = Int32.MaxValue;
-
- public StringBuilder(string value, int startIndex, int length, int capacity) {
- // first, check the parameters and throw appropriate exceptions if needed
- if(null==value) {
- throw new System.ArgumentNullException("value");
- }
-
- // make sure startIndex is zero or positive
- if(startIndex < 0) {
- throw new System.ArgumentOutOfRangeException("startIndex", startIndex, "StartIndex cannot be less than zero.");
- }
-
- // make sure length is zero or positive
- if(length < 0) {
- throw new System.ArgumentOutOfRangeException("length", length, "Length cannot be less than zero.");
- }
-
- // make sure startIndex and length give a valid substring of value
- if(startIndex + (length -1) > (value.Length - 1) ) {
- throw new System.ArgumentOutOfRangeException("startIndex", startIndex, "StartIndex and length must refer to a location within the string.");
- }
-
- // the capacity must be at least as big as the default capacity
- sCapacity = Math.Max(capacity, defaultCapacity);
-
- // LAMESPEC: what to do if capacity is too small to hold the substring?
- // Like the MS implementation, double the capacity until it is large enough
- while (sCapacity < length) {
- // However, take care not to double if that would make the number
- // larger than what an int can hold
- if (sCapacity <= Int32.MaxValue / 2) {
- sCapacity *= 2;
- }
- else{
- sCapacity = Int32.MaxValue;
- }
- }
-
- sString = new char[sCapacity];
- sLength = length;
-
- // if the length is not zero, then we have to copy some characters
- if (sLength > 0) {
- // Copy the correct number of characters into the internal array
- value.CopyTo (0, sString, 0, sLength);
- }
- }
-
- public StringBuilder () : this(String.Empty, 0, 0, 0) {}
-
- public StringBuilder( int capacity ) : this(String.Empty, 0, 0, capacity) {}
-
- public StringBuilder( int capacity, int maxCapacity ) : this(String.Empty, 0, 0, capacity) {
- if(capacity > maxCapacity) {
- throw new System.ArgumentOutOfRangeException("capacity", "Capacity exceeds maximum capacity.");
- }
- sMaxCapacity = maxCapacity;
- }
-
- public StringBuilder( string value ) : this(value, 0, value == null ? 0 : value.Length, value == null? 0 : value.Length) {
- }
-
- public StringBuilder( string value, int capacity) : this(value, 0, value.Length, capacity) {}
-
- public int MaxCapacity {
- get {
- // MS runtime always returns Int32.MaxValue.
- return sMaxCapacity;
- }
- }
-
- public int Capacity {
- get {
- return sCapacity;
- }
-
- set {
- if( value < sLength ) {
- throw new ArgumentException( "Capacity must be > length" );
- } else {
- char[] tString = new char[value];
- Array.Copy( sString, tString, sLength );
- sString = tString;
- sCapacity = sString.Length;
- }
- }
- }
-
-
- public int Length {
- get {
- return sLength;
- }
-
- set {
- if( value < 0 || value > MaxCapacity) {
- throw new ArgumentOutOfRangeException();
- } else {
-
- if( value < sLength ) {
- // Truncate current string at value
-
- // LAMESPEC: The spec is unclear as to what to do
- // with the capacity when truncating the string.
- //
- // Don't change the capacity, as this is what
- // the MS implementation does.
-
- sLength = value;
- } else {
- // Expand the capacity to the new length and
- // pad the string with spaces.
-
- // LAMESPEC: The spec says to put the spaces on the
- // left of the string however the MS implementation
- // puts them on the right. We'll do that for
- // compatibility (!)
-
- char[] tString = new char[ value ];
- int padLength = value - sLength;
-
- string padding = new String( ' ', padLength );
- Array.Copy( sString, tString, sLength );
- padding.CopyTo (0, sString, sLength, padLength);
- sString = tString;
- sLength = sString.Length;
- sCapacity = value;
- }
- }
- }
- }
-
- [IndexerName("Chars")]
- public char this[ int index ] {
- get {
-
- if( index >= sLength || index < 0 ) {
- throw new IndexOutOfRangeException();
- }
- return sString[ index ];
- }
-
- set {
- if( index >= sLength || index < 0 ) {
- throw new IndexOutOfRangeException();
- }
- sString[ index ] = value;
- }
- }
-
- public override string ToString() {
- return ToString(0, sLength);
- }
-
- public string ToString( int startIndex, int length ) {
- if( startIndex < 0 || length < 0 || startIndex + length > sLength ) {
- throw new ArgumentOutOfRangeException();
- }
-
- return new String( sString, startIndex, length );
- }
-
- public int EnsureCapacity( int capacity ) {
- if( capacity < 0 ) {
- throw new ArgumentOutOfRangeException(
- "Capacity must be greater than 0." );
- }
-
- if( capacity <= sCapacity ) {
- return sCapacity;
- } else {
- Capacity = capacity;
- return sCapacity;
- }
- }
-
- public bool Equals( StringBuilder sb ) {
- if(sLength == sb.Length && this.ToString() == sb.ToString() ) {
- return true;
- } else {
- return false;
- }
- }
-
- public StringBuilder Remove( int startIndex, int length ) {
- if( startIndex < 0 || length < 0 || startIndex + length > sLength ) {
- throw new ArgumentOutOfRangeException();
- }
-
- // Copy everything after the 'removed' part to the start
- // of the removed part and truncate the sLength
-
- Array.Copy( sString, startIndex + length, sString,
- startIndex, length );
-
- sLength -= length;
- return this;
- }
-
- public StringBuilder Replace( char oldChar, char newChar ) {
-
- return Replace( oldChar, newChar, 0, sLength);
- }
-
- public StringBuilder Replace( char oldChar, char newChar, int startIndex, int count ) {
- if( startIndex + count > sLength || startIndex < 0 || count < 0 ) {
- throw new ArgumentOutOfRangeException();
- }
-
- for( int replaceIterate = startIndex; replaceIterate < startIndex + count; replaceIterate++ ) {
- if( this[replaceIterate] == oldChar ) {
- this[replaceIterate] = newChar;
- }
- }
-
- return this;
- }
-
- public StringBuilder Replace( string oldValue, string newValue ) {
- return Replace( oldValue, newValue, 0, sLength );
- }
-
- public StringBuilder Replace( string oldValue, string newValue, int startIndex, int count ) {
- string startString = this.ToString();
- StringBuilder newStringB = new StringBuilder();
-
- if( oldValue == null ) {
- throw new ArgumentNullException(
- "The old value cannot be null.");
- }
-
- if( startIndex < 0 || count < 0 || startIndex + count > sLength ) {
- throw new ArgumentOutOfRangeException();
- }
-
- if( oldValue.Length == 0 ) {
- throw new ArgumentException(
- "The old value cannot be zero length.");
- }
-
- int nextIndex = startIndex; // Where to start the next search
- int lastIndex = nextIndex; // Where the last search finished
-
- while( nextIndex != -1 ) {
- nextIndex = startString.IndexOf( oldValue, lastIndex);
- if( nextIndex != -1 ) {
- // The MS implementation won't replace a substring
- // if that substring goes over the "count"
- // boundary, so we'll make sure the behaviour
- // here is the same.
-
- if( nextIndex + oldValue.Length <= startIndex + count ) {
-
- // Add everything to the left of the old
- // string
- newStringB.Append( startString.Substring( lastIndex, nextIndex - lastIndex ) );
-
- // Add the replacement string
- newStringB.Append( newValue );
-
- // Set the next start point to the
- // end of the last match
- lastIndex = nextIndex + oldValue.Length;
- } else {
- // We're past the "count" we're supposed to replace within
- nextIndex = -1;
- newStringB.Append(
- startString.Substring( lastIndex ) );
- }
-
- } else {
- // Append everything left over
- newStringB.Append( startString.Substring( lastIndex ) );
- }
- }
-
- sCapacity = newStringB.sCapacity;
- sString = newStringB.sString;
- sLength = newStringB.sLength;
- return this;
- }
-
-
- /* The Append Methods */
-
- public StringBuilder Append( char[] value ) {
- if( sLength + value.Length > sCapacity ) {
- // Need more capacity, double the capacity StringBuilder
- // and make sure we have at least enough for the value
- // if that's going to go over double.
-
- Capacity = value.Length + ( sCapacity + sCapacity);
- }
-
- Array.Copy( value, 0, sString, sLength, value.Length );
- sLength += value.Length;
-
- return this;
- }
-
- public StringBuilder Append( string value ) {
- if( value != null ) {
- int new_size = sLength + value.Length;
- if (new_size > sCapacity)
- Capacity = value.Length + sCapacity * 2;
-
- value.CopyTo (0, sString, sLength, value.Length);
- sLength = new_size;
- return this;
- } else {
- return null;
- }
- }
-
- public StringBuilder Append( bool value ) {
- return Append (value.ToString());
- }
-
- public StringBuilder Append( byte value ) {
- return Append (value.ToString());
- }
-
- public StringBuilder Append( decimal value ) {
- return Append (value.ToString());
- }
-
- public StringBuilder Append( double value ) {
- return Append (value.ToString());
- }
-
- public StringBuilder Append( short value ) {
- return Append (value.ToString());
- }
-
- public StringBuilder Append( int value ) {
- return Append (value.ToString());
- }
-
- public StringBuilder Append( long value ) {
- return Append (value.ToString());
- }
-
- public StringBuilder Append( object value ) {
- return Append (value.ToString());
- }
-
- [CLSCompliant(false)]
- public StringBuilder Append( sbyte value ) {
- return Append (value.ToString());
- }
-
- public StringBuilder Append( float value ) {
- return Append (value.ToString());
- }
-
- [CLSCompliant(false)]
- public StringBuilder Append( ushort value ) {
- return Append (value.ToString());
- }
-
- [CLSCompliant(false)]
- public StringBuilder Append( uint value ) {
- return Append (value.ToString());
- }
-
- [CLSCompliant(false)]
- public StringBuilder Append( ulong value ) {
- return Append (value.ToString());
- }
-
- public StringBuilder Append( char value ) {
- if( sLength + 1 > sCapacity ) {
- // Need more capacity, double the capacity StringBuilder
- // and make sure we have at least enough for the value
- // if that's going to go over double.
-
- Capacity = 1 + ( sCapacity + sCapacity);
- }
- sString [sLength] = value;
- sLength++;
-
- return this;
- }
-
- public StringBuilder Append( char value, int repeatCount ) {
- if( repeatCount < 0 ) {
- throw new ArgumentOutOfRangeException();
- }
-
- return Append( new String( value, repeatCount) );
- }
-
- public StringBuilder Append( char[] value, int startIndex, int charCount ) {
-
- if( (charCount < 0 || startIndex < 0) ||
- ( charCount + startIndex > value.Length ) ) {
- throw new ArgumentOutOfRangeException();
- }
-
- if( value == null ) {
- if( !(startIndex == 0 && charCount == 0) ) {
- throw new ArgumentNullException();
- } else {
- return this;
- }
- } else {
- char[] appendChars = new char[ charCount ];
-
- Array.Copy( value, startIndex, appendChars, 0, charCount );
- return Append( appendChars );
- }
- }
-
- public StringBuilder Append( string value, int startIndex, int count ) {
- if( (count < 0 || startIndex < 0) ||
- ( startIndex + count > value.Length ) ) {
- throw new ArgumentOutOfRangeException();
- }
-
- return Append (value.Substring (startIndex, count));
- }
-
- public StringBuilder AppendFormat (string format, object arg0 )
- {
- string result = String.Format (format, arg0);
- return Append (result);
- }
-
- public StringBuilder AppendFormat (string format, params object[] args )
- {
- string result = String.Format (format, args);
- return Append (result);
- }
-
- public StringBuilder AppendFormat (IFormatProvider provider,
- string format,
- params object[] args)
- {
- string result = String.Format (provider, format, args);
- return Append (result);
- }
-
- public StringBuilder AppendFormat (string format, object arg0, object arg1 )
- {
- string result = String.Format (format, arg0, arg1);
- return Append (result);
- }
-
- public StringBuilder AppendFormat (string format, object arg0, object arg1, object arg2 )
- {
- string result = String.Format (format, arg0, arg1, arg2);
- return Append (result);
- }
-
- /* The Insert Functions */
-
- public StringBuilder Insert( int index, char[] value ) {
- if( index > sLength || index < 0) {
- throw new ArgumentOutOfRangeException();
- }
-
- if( value == null || value.Length == 0 ) {
- return this;
- } else {
- // Check we have the capacity to insert this array
- if( sCapacity < sLength + value.Length ) {
- Capacity = value.Length + ( sCapacity + sCapacity );
- }
-
- // Move everything to the right of the insert point across
- Array.Copy( sString, index, sString, index + value.Length, sLength - index);
-
- // Copy in stuff from the insert buffer
- Array.Copy( value, 0, sString, index, value.Length );
-
- sLength += value.Length;
- return this;
- }
- }
-
- public StringBuilder Insert( int index, string value ) {
- if (index > sLength || index < 0)
- throw new ArgumentOutOfRangeException ("index");
-
- if (value == null || value.Length == 0)
- return this;
-
- int len = value.Length;
- // Check we have the capacity to insert this array
- if (sCapacity < sLength + len)
- Capacity = len + ( sCapacity + sCapacity );
-
- // Move everything to the right of the insert point across
- Array.Copy (sString, index, sString, index + len, sLength - index);
-
- value.CopyTo (0, sString, index, len);
-
- sLength += len;
- return this;
- }
-
- public StringBuilder Insert( int index, bool value ) {
- return Insert( index, value.ToString());
- }
-
- public StringBuilder Insert( int index, byte value ) {
- return Insert( index, value.ToString());
- }
-
- public StringBuilder Insert( int index, char value) {
- char[] insertChar = new char[1];
-
- insertChar[0] = value;
- return Insert( index, insertChar );
- }
-
- public StringBuilder Insert( int index, decimal value ) {
- return Insert( index, value.ToString() );
- }
-
- public StringBuilder Insert( int index, double value ) {
- return Insert( index, value.ToString() );
- }
-
- public StringBuilder Insert( int index, short value ) {
- return Insert( index, value.ToString() );
- }
-
- public StringBuilder Insert( int index, int value ) {
- return Insert( index, value.ToString() );
- }
-
- public StringBuilder Insert( int index, long value ) {
- return Insert( index, value.ToString() );
- }
-
- public StringBuilder Insert( int index, object value ) {
- return Insert( index, value.ToString() );
- }
-
- [CLSCompliant(false)]
- public StringBuilder Insert( int index, sbyte value ) {
- return Insert( index, value.ToString() );
- }
-
- public StringBuilder Insert( int index, float value ) {
- return Insert( index, value.ToString() );
- }
-
- [CLSCompliant(false)]
- public StringBuilder Insert( int index, ushort value ) {
- return Insert( index, value.ToString() );
- }
-
- [CLSCompliant(false)]
- public StringBuilder Insert( int index, uint value ) {
- return Insert( index, value.ToString() );
- }
-
- [CLSCompliant(false)]
- public StringBuilder Insert( int index, ulong value ) {
- return Insert( index, value.ToString() );
- }
-
- public StringBuilder Insert( int index, string value, int count ) {
- if ( count < 0 ) {
- throw new ArgumentOutOfRangeException();
- }
-
- if( value != null ) {
- if( value != "" ) {
- for( int insertCount = 0; insertCount < count;
- insertCount++ ) {
- Insert( index, value );
- }
- }
- }
- return this;
- }
-
- public StringBuilder Insert( int index, char[] value, int startIndex,
- int charCount ) {
-
- if( value != null ) {
- if( charCount < 0 || startIndex < 0 || startIndex + charCount > value.Length ) {
- throw new ArgumentOutOfRangeException();
- }
-
- char[] insertChars = new char[ charCount ];
- Array.Copy( value, startIndex, insertChars, 0, charCount );
- return Insert( index, insertChars );
- } else {
- return this;
- }
- }
- }
-}
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