From fca1bc1a334b0d4bd3b3d74e7dce2368c47435ef Mon Sep 17 00:00:00 2001
From: Tomasz Sowa <t.sowa@ttmath.org>
Date: Thu, 2 Apr 2009 05:21:49 +0000
Subject: [PATCH] added: Objects::IsDefined(const std::string & name)       
 returning true if such an object is defined

git-svn-id: svn://ttmath.org/publicrep/ttmath/trunk@117 e52654a7-88a9-db11-a3e9-0013d4bc506e
---
 ttmath/ttmathint.h     |  2 +-
 ttmath/ttmathobjects.h | 23 +++++++++++++++++++----
 ttmath/ttmathparser.h  |  2 +-
 ttmath/ttmathuint.h    |  2 +-
 4 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/ttmath/ttmathint.h b/ttmath/ttmathint.h
index 70cc1db..2d140e6 100644
--- a/ttmath/ttmathint.h
+++ b/ttmath/ttmathint.h
@@ -901,7 +901,7 @@ public:
 		existing first white characters will be ommited
 		(between '-' and a first digit can be white characters too)
 
-		after_source (if exists) is pointing at the end of the parsing string
+		after_source (if exists) is pointing at the end of the parsed string
 
 		value_read (if exists) tells whether something has actually been read (at least one digit)
 	*/
diff --git a/ttmath/ttmathobjects.h b/ttmath/ttmathobjects.h
index f603b13..52acf9c 100644
--- a/ttmath/ttmathobjects.h
+++ b/ttmath/ttmathobjects.h
@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2006-2008, Tomasz Sowa
+ * Copyright (c) 2006-2009, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -130,6 +130,21 @@ public:
 	}
 
 
+	/*!
+		this method returns true if such an object is defined (name exists)
+	*/
+	bool IsDefined(const std::string & name)
+	{
+		Iterator i = table.find(name);
+
+		if( i != table.end() )
+			// we have this object in our table
+			return true;
+
+	return false;
+	}
+
+
 	/*!
 		this method adds one object (variable of function) into the table
 	*/
@@ -258,7 +273,7 @@ public:
 
 
 	/*!
-		this method sets the value of a specific object
+		this method gets the value of a specific object
 	*/
 	ErrorCode GetValue(const std::string & name, std::string & value) const
 	{
@@ -280,7 +295,7 @@ public:
 
 
 	/*!
-		this method sets the value of a specific object
+		this method gets the value of a specific object
 		(this version is used for not copying the whole string)
 	*/
 	ErrorCode GetValue(const std::string & name, const char ** value) const
@@ -303,7 +318,7 @@ public:
 
 
 	/*!
-		this method sets the value and the number of parameters
+		this method gets the value and the number of parameters
 		of a specific object
 	*/
 	ErrorCode GetValueAndParam(const std::string & name, std::string & value, int * param) const
diff --git a/ttmath/ttmathparser.h b/ttmath/ttmathparser.h
index 3f36fa7..ac52542 100644
--- a/ttmath/ttmathparser.h
+++ b/ttmath/ttmathparser.h
@@ -97,7 +97,7 @@ namespace ttmath
 			etc.
 
 		Value can be:
-			constant e.g. 100, can be preceded by operators to change the base (radix): [#|&]
+			constant e.g. 100, can be preceded by operators for changing the base (radix): [#|&]
 			                   # - hex
 							   & - bin
 							   sample: #10  = 16
diff --git a/ttmath/ttmathuint.h b/ttmath/ttmathuint.h
index 8a17ecd..394d7df 100644
--- a/ttmath/ttmathuint.h
+++ b/ttmath/ttmathuint.h
@@ -3201,7 +3201,7 @@ public:
 
 		if the value from s is too large the rest digits will be skipped
 
-		after_source (if exists) is pointing at the end of the parsing string
+		after_source (if exists) is pointing at the end of the parsed string
 
 		value_read (if exists) tells whether something has actually been read (at least one digit)
 	*/