Merge branch 'master' of /home/noisy3/OpenFOAM/OpenFOAM-dev

applications/test/dictionary/Allwmake

@@ -0,0 +1,15 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# this will have to do until we have a makefile rule
+
+if type Coco > /dev/null 2>&1
+then
+    Coco \
+        -frames $WM_THIRD_PARTY_DIR/coco-r \
+        calcEntry/calcEntry.atg
+else
+    echo "Coco not installed"
+fi
+
+wmake

applications/test/dictionary/calcEntry/build.sh

@@ -1,11 +0,0 @@
-#/bin/sh
-cd ${0%/*} || exit 1    # run from this directory
-
-# this will have to do until we make a makefile rule
-
-Coco \
-    -frames $WM_THIRD_PARTY_DIR/coco-r \
-    -prefix calcEntry \
-    -namespace Foam::functionEntries::calcEntryInternal \
-    SimpleCalc.atg
-

applications/test/dictionary/calcEntry/calcEntry.C

@@ -26,8 +26,6 @@ License
 
 #include "calcEntry.H"
 #include "dictionary.H"
-#include "IStringStream.H"
-#include "OStringStream.H"
 #include "addToMemberFunctionSelectionTable.H"
 
 #include "ISstream.H"
@@ -60,121 +58,33 @@ bool Foam::functionEntries::calcEntry::execute
 (
     const dictionary& parentDict,
     primitiveEntry& entry,
-    Istream& istr
+    Istream& is
 )
 {
-    static const int maxLen = 1024;
+    std::istream& iss = dynamicCast<ISstream>(is).stdStream();
-    static const int errLen = 80; // truncate error message for readability
-    static char buf[maxLen];
-
-    ISstream& is = dynamicCast<ISstream>(istr);
-
-    // get the { ... } argument without the enclosing brace brackets
-    //
-    // THIS NEEDS REWORKING (LATER) ...
-
-    char c = 0;
-
-    if (!is.read(c).good() || c != token::BEGIN_BLOCK)
-    {
-        is.setBad();
-        FatalIOErrorIn("functionEntries::calcEntry::execute()", is)
-            << "Expected a '" << token::BEGIN_BLOCK
-            << "', found '" << c << "'" << exit(FatalIOError);
-
-        return false;
-    }
-
-    register int nChar = 0;
-    buf[nChar++] = token::BEGIN_BLOCK;
-    int listDepth = 1;       // already saw the first '{'
-
-    while (is.get(c).good())
-    {
-        buf[nChar++] = c;
-        if (nChar == maxLen)
-        {
-            buf[errLen] = '\0';
-
-            FatalIOErrorIn("functionEntries::calcEntry::execute()", is)
-                << "argument \"" << buf << "...\"\n"
-                << "    is too long (max. " << maxLen << " characters)"
-                << exit(FatalIOError);
-
-            return false;
-        }
-
-        // handle nested blocks, even if we don't know what they'd
-        // be useful for
-        if (c == token::BEGIN_BLOCK)
-        {
-            ++listDepth;
-        }
-        else if (c == token::END_BLOCK)
-        {
-            if (--listDepth == 0)
-            {
-                // done reading - overwrite the final '}'
-                // --nChar;
-                break;
-            }
-        }
-    }
-
-    buf[nChar] = '\0';
-
-
-    // emit some info
-    Info<< "grabbed " << nChar << " characters:" << nl
-        << "----------\n"
-        << buf << nl
-        << "----------\n"
-        << nl;
-
 
     // define parser error handler
     CocoParserErrors<calcEntryInternal::Errors>
-        myErrorHandler("calcEntry::Parser--");
+        myErrorHandler("calcEntryInternal::Parser");
 
-    calcEntryInternal::Scanner scanner(buf, nChar);
+    calcEntryInternal::Scanner scanner(iss);
     calcEntryInternal::Parser  parser(&scanner, &myErrorHandler);
 
     // Attach dictionary context
     parser.dict(parentDict);
 
+    // Attach scalar functions
+    // parser.functions(parentDict);
+
     parser.Parse();
 
-//    Info<<"got: " << parser.Result() << endl;
+    // make a small input list to contain the answer
-
     tokenList tokens(2);
     tokens[0] = parser.Result();
     tokens[1] = token::END_STATEMENT;
 
-//     Info<<"tokens[0] = " << tokens[0].info() <<nl;
+    entry.read(parentDict, ITstream("ParserResult", tokens)());
-//     Info<<"tokens[1] = " << tokens[1].info() <<nl;
-//
-//     {
-//     const tokenList& toks = entry;
-//
-//     forAll(toks, tokI)
-//     {
-//         Info<< tokI <<":= " << toks[tokI].info() << endl;
-//     }
-//     }
 
-    ITstream its("ParserResult", tokens);
-    entry.read(parentDict, its);
-//    Info<< "size: " << entry.size() << endl;
-//    entry = newente;
-//    entry.print(Info);
-
-///     const tokenList& toks = entry;
-///
-///     forAll(toks, tokI)
-///     {
-///         Info<< tokI <<":= " << toks[tokI].info() << endl;
-///     }
-///
     return true;
 }
 

applications/test/dictionary/calcEntry/calcEntry.atg

@@ -2,9 +2,7 @@
  compile with:
  Coco \
     -frames $WM_THIRD_PARTY_DIR/coco-r \
-    -prefix calcEntry \
+    calcEntry.atg
-    -namespace Foam::functionEntries::calcEntryInternal \
-    SimpleCalc.atg
 -------------------------------------------------------------------------*/
 
 #include "dictionary.H"
@@ -13,7 +11,11 @@
 #include "wchar.H"
 
 
-COMPILER SimpleCalc
+COMPILER calcEntry
+$prefix=calcEntry
+$namespace=Foam::functionEntries::calcEntryInternal
+$eof=true     // grammar handles eof itself
+
     // Simple four function calculator for OpenFOAM dictionaries
 
     //! with debug
@@ -22,9 +24,13 @@ COMPILER SimpleCalc
     //! The parent dictionary
     mutable dictionary* dict_;
 
+    //! Track that parent dictionary was set
+    bool hasDict_;
+
     //! The calculation result
     scalar val;
 
+
     //! token -> scalar
     scalar getScalar() const
     {
@@ -40,11 +46,11 @@ COMPILER SimpleCalc
         return s;
     }
 
-
     //! attach a dictionary
-    void dict(const dictionary& dict) const
+    void dict(const dictionary& dict)
     {
         dict_ = const_cast<dictionary*>(&dict);
+        hasDict_ = true;
     }
 
 
@@ -53,11 +59,11 @@ COMPILER SimpleCalc
     {
         scalar dictValue = 0;
 
-        if (!dict_)
+        if (!hasDict_)
         {
             FatalErrorIn
             (
-                "SimpleCalc::getDictEntry() const"
+                "calcEntry::getDictEntry() const"
             )   << "No dictionary attached!"
                 << exit(FatalError);
 
@@ -81,13 +87,22 @@ COMPILER SimpleCalc
         entry* entryPtr = dict_->lookupEntryPtr(keyword, true, false);
         if (entryPtr && !entryPtr->isDict())
         {
+            if (entryPtr->stream().size() != 1)
+            {
+                FatalErrorIn
+                (
+                    "calcEntry::getDictEntry() const"
+                )   << "keyword " << keyword << " has "
+                    << entryPtr->stream().size() << " values in dictionary "
+                    << exit(FatalError);
+            }
             entryPtr->stream() >> dictValue;
         }
         else
         {
             FatalErrorIn
             (
-                "SimpleCalc::getDictEntry() const"
+                "calcEntry::getDictEntry() const"
             )   << "keyword " << keyword << " is undefined in dictionary "
                 << exit(FatalError);
         }
@@ -102,7 +117,7 @@ COMPILER SimpleCalc
     }
 
 
-// * * * * * * * * * * * * * * *  CHARACTERS * * * * * * * * * * * * * * * * //
+/*---------------------------------------------------------------------------*/
 
 CHARACTERS
     letter    = 'A'..'Z' + 'a'..'z'.
@@ -145,38 +160,49 @@ number  =
 COMMENTS FROM "/*" TO "*/" NESTED
 COMMENTS FROM "//" TO lf
 
-// ignore unprintables
+IGNORE cr + lf + tab
-IGNORE  ANY - printable
 
 
 // * * * * * * * * * * * * * * *  PRODUCTIONS  * * * * * * * * * * * * * * * //
 
 PRODUCTIONS
 
-SimpleCalc                      (. val = 0;
+calcEntry                       (. val = 0;
-                                   if (debug){Info<<"start val"<< nl;}
+                                 if (debug){Info<<"start val pos:"<< t->pos << nl;}
                                  .)
 =
-  ( '{' Expr<val> '}' | Expr<val> )
+  '{' Expr<val> '}'             (.
-  EOF
+                                   if (debug){
+                                       Info<<"end {} at pos:"<< t->pos
+                                           <<" val:"<< t->val
+                                           <<" len:"<< coco_string_length(t->val)
+                                           <<" la pos:"<< la->pos << nl;
+                                   }
+                                   // reposition to immediately after the closing '}'
+                                   scanner->buffer->SetPos
+                                   (
+                                       t->pos + coco_string_length(t->val)
+                                   );
+                                 .)
+    | ( Expr<val> EOF )
 .
 
 
 /*---------------------------------------------------------------------------*/
 
 Expr<scalar& val>               (. scalar val2 = 0;
-                                   if (debug) {Info<<"Expr:"<< val<< nl;}
+                                   if (debug) {Info<<"Expr:"<< val<< " pos:"<< t->pos << nl;}
                                  .)
 =
   Term<val>
   {
-      "+" Term<val2>            (. if (debug) {Info<<"+Term:"<<val2 <<nl;}
+      "+" Term<val2>            (. if (debug) {Info<<"+Term:"<<val2 << " pos:"<< t->pos << nl;}
                                    val += val2;
-                                   if (debug) {Info<<"="<< val << nl;}
+                                   if (debug) {Info<<"="<< val<< " pos:"<< t->pos << nl;}
                                  .)
-    | "-" Term<val2>            (. if (debug) {Info<<"-Term:"<<val2 <<nl;}
+    | "-" Term<val2>            (. if (debug) {Info<<"-Term:"<<val2<< " pos:"<< t->pos << nl;}
                                    val -= val2;
-                                   if (debug) {Info<<"="<< val << nl;}
+                                   if (debug) {Info<<"="<< val<< " pos:"<< t->pos << nl;}
                                  .)
   }
 .
@@ -185,18 +211,18 @@ Expr<scalar& val>               (. scalar val2 = 0;
 /*---------------------------------------------------------------------------*/
 
 Term<scalar& val>               (. scalar val2 = 0;
-                                   if (debug) {Info<<"Term:"<< val<< nl;}
+                                   if (debug) {Info<<"Term:"<< val<< " pos:"<< t->pos << nl;}
                                  .)
 =
   Factor<val>
   {
-     "*" Factor<val2>           (. if (debug) {Info<<"*Factor:"<<val2 << nl;}
+     "*" Factor<val2>           (. if (debug) {Info<<"*Factor:"<<val2<< " pos:"<< t->pos << nl;}
                                    val *= val2;
-                                   if (debug) {Info<<"="<< val << nl; }
+                                   if (debug) {Info<<"="<< val<< " pos:"<< t->pos << nl;}
                                  .)
-  |  "/" Factor<val2>           (. if (debug) {Info<<"/Factor:"<<val2 << nl;}
+  |  "/" Factor<val2>           (. if (debug) {Info<<"/Factor:"<<val2<< " pos:"<< t->pos << nl;}
                                    val /= val2;
-                                   if (debug) {Info<<"="<< val << nl; }
+                                   if (debug) {Info<<"="<< val<< " pos:"<< t->pos << nl;}
                                  .)
   }
 .
@@ -206,20 +232,21 @@ Term<scalar& val>               (. scalar val2 = 0;
 Factor<scalar& val>
 =
     variable                    (. val = getDictLookup();
-                                   if (debug) {Info<<"lookup:"<<val<<nl;}
+                                   if (debug) {Info<<"lookup:"<<val<< " pos:"<< t->pos << nl;}
                                  .)
   | number                      (. val = getScalar();
-                                   if (debug) {Info<<"got num:"<<val<<nl;}
+                                   if (debug) {Info<<"got num:"<<val<< " pos:"<< t->pos << nl;}
                                  .)
   | '-' '(' Expr<val> ')'       (. val = -val;
-                                   if (debug) {Info<<"inv:"<<val<<nl;}
+                                   if (debug) {Info<<"inv:"<<val<< " pos:"<< t->pos << nl;}
+                                 .)
+  | '(' Expr<val> ')'           (. if (debug){Info<<"got Expr:"<<val<< " pos:"<< t->pos << nl;}
                                  .)
-  | '(' Expr<val> ')'           (. if (debug){Info<<"got Expr:"<<val<<nl;} .)
 .
 
 
 /*---------------------------------------------------------------------------*/
 
-END SimpleCalc.
+END calcEntry.
 
 // ************************************************************************* //

applications/test/dictionary/calcEntry/calcEntryParser.cpp

@@ -90,39 +90,51 @@ bool Parser::WeakSeparator(int n, int syFol, int repFol) {
 }
 
 
-void Parser::SimpleCalc() {
+void Parser::calcEntry() {
 		val = 0;
-		if (debug){Info<<"start val"<< nl;}
+		if (debug){Info<<"start val pos:"<< t->pos << nl;}
 		
 		if (la->kind == 5) {
 			Get();
 			Expr(val);
 			Expect(6);
+			if (debug){
+			   Info<<"end {} at pos:"<< t->pos
+			       <<" val:"<< t->val
+			       <<" len:"<< coco_string_length(t->val)
+			       <<" la pos:"<< la->pos << nl;
+			}
+			// reposition to immediately after the closing '}'
+			scanner->buffer->SetPos
+			(
+			    t->pos + coco_string_length(t->val)
+			);
+			
 		} else if (StartOf(1)) {
 			Expr(val);
-		} else SynErr(14);
 			Expect(0);
+		} else SynErr(14);
 }
 
 void Parser::Expr(scalar& val) {
 		scalar val2 = 0;
-		if (debug) {Info<<"Expr:"<< val<< nl;}
+		if (debug) {Info<<"Expr:"<< val<< " pos:"<< t->pos << nl;}
 		
 		Term(val);
 		while (la->kind == 7 || la->kind == 8) {
 			if (la->kind == 7) {
 				Get();
 				Term(val2);
-				if (debug) {Info<<"+Term:"<<val2 <<nl;}
+				if (debug) {Info<<"+Term:"<<val2 << " pos:"<< t->pos << nl;}
 				val += val2;
-				if (debug) {Info<<"="<< val << nl;}
+				if (debug) {Info<<"="<< val<< " pos:"<< t->pos << nl;}
 				
 			} else {
 				Get();
 				Term(val2);
-				if (debug) {Info<<"-Term:"<<val2 <<nl;}
+				if (debug) {Info<<"-Term:"<<val2<< " pos:"<< t->pos << nl;}
 				val -= val2;
-				if (debug) {Info<<"="<< val << nl;}
+				if (debug) {Info<<"="<< val<< " pos:"<< t->pos << nl;}
 				
 			}
 		}
@@ -130,23 +142,23 @@ void Parser::Expr(scalar& val) {
 
 void Parser::Term(scalar& val) {
 		scalar val2 = 0;
-		if (debug) {Info<<"Term:"<< val<< nl;}
+		if (debug) {Info<<"Term:"<< val<< " pos:"<< t->pos << nl;}
 		
 		Factor(val);
 		while (la->kind == 9 || la->kind == 10) {
 			if (la->kind == 9) {
 				Get();
 				Factor(val2);
-				if (debug) {Info<<"*Factor:"<<val2 << nl;}
+				if (debug) {Info<<"*Factor:"<<val2<< " pos:"<< t->pos << nl;}
 				val *= val2;
-				if (debug) {Info<<"="<< val << nl; }
+				if (debug) {Info<<"="<< val<< " pos:"<< t->pos << nl;}
 				
 			} else {
 				Get();
 				Factor(val2);
-				if (debug) {Info<<"/Factor:"<<val2 << nl;}
+				if (debug) {Info<<"/Factor:"<<val2<< " pos:"<< t->pos << nl;}
 				val /= val2;
-				if (debug) {Info<<"="<< val << nl; }
+				if (debug) {Info<<"="<< val<< " pos:"<< t->pos << nl;}
 				
 			}
 		}
@@ -156,12 +168,12 @@ void Parser::Factor(scalar& val) {
 		if (la->kind == 3) {
 			Get();
 			val = getDictLookup();
-			if (debug) {Info<<"lookup:"<<val<<nl;}
+			if (debug) {Info<<"lookup:"<<val<< " pos:"<< t->pos << nl;}
 			
 		} else if (la->kind == 4) {
 			Get();
 			val = getScalar();
-			if (debug) {Info<<"got num:"<<val<<nl;}
+			if (debug) {Info<<"got num:"<<val<< " pos:"<< t->pos << nl;}
 			
 		} else if (la->kind == 8) {
 			Get();
@@ -169,13 +181,14 @@ void Parser::Factor(scalar& val) {
 			Expr(val);
 			Expect(12);
 			val = -val;
-			if (debug) {Info<<"inv:"<<val<<nl;}
+			if (debug) {Info<<"inv:"<<val<< " pos:"<< t->pos << nl;}
 			
 		} else if (la->kind == 11) {
 			Get();
 			Expr(val);
 			Expect(12);
-			if (debug){Info<<"got Expr:"<<val<<nl;} 
+			if (debug){Info<<"got Expr:"<<val<< " pos:"<< t->pos << nl;}
+			
 		} else SynErr(15);
 }
 
@@ -189,9 +202,9 @@ void Parser::Parse() {
 	la = dummyToken = new Token();
 	la->val = coco_string_create(L"Dummy Token");
 	Get();
-	SimpleCalc();
+	calcEntry();
+	// let grammar deal with end-of-file expectations
 
-	Expect(0);
 }
 
 
@@ -199,14 +212,12 @@ Parser::Parser(Scanner* scan, Errors* err)
 :
 	dummyToken(NULL),
 	deleteErrorsDestruct_(!err),
-	minErrDist(2),
 	errDist(minErrDist),
 	scanner(scan),
 	errors(err),
 	t(NULL),
 	la(NULL)
 {
-	maxT = 13;
 
 	if (!errors) {   // add in default error handling
 		errors = new Errors();
@@ -274,7 +285,7 @@ wchar_t* Errors::strerror(int n)
 			case 11: s = coco_string_create(L"\"(\" expected"); break;
 			case 12: s = coco_string_create(L"\")\" expected"); break;
 			case 13: s = coco_string_create(L"??? expected"); break;
-			case 14: s = coco_string_create(L"invalid SimpleCalc"); break;
+			case 14: s = coco_string_create(L"invalid calcEntry"); break;
 			case 15: s = coco_string_create(L"invalid Factor"); break;
 
 		default:
@@ -317,8 +328,12 @@ void Errors::Exception(const wchar_t* msg) {
 	::exit(1);
 }
 
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
 } // namespace
 } // namespace
 } // namespace
 
 
+// ************************************************************************* //

applications/test/dictionary/calcEntry/calcEntryParser.h

@@ -55,11 +55,12 @@ private:
 		_variable=3,
 		_number=4,
 	};
-	int maxT;
+	static const int maxT = 13;
+
+	static const int minErrDist = 2; //!< min. distance before reporting errors
 
 	Token *dummyToken;
 	bool deleteErrorsDestruct_; //!< delete the 'errors' member in destructor
-	int  minErrDist;
 	int  errDist;
 
 	void SynErr(int n);         //!< Handle syntax error 'n'
@@ -81,9 +82,13 @@ static const int debug = 0;
     //! The parent dictionary
     mutable dictionary* dict_;
 
+    //! Track that parent dictionary was set
+    bool hasDict_;
+
     //! The calculation result
     scalar val;
 
+
     //! token -> scalar
     scalar getScalar() const
     {
@@ -99,11 +104,11 @@ static const int debug = 0;
         return s;
     }
 
-
     //! attach a dictionary
-    void dict(const dictionary& dict) const
+    void dict(const dictionary& dict)
     {
         dict_ = const_cast<dictionary*>(&dict);
+        hasDict_ = true;
     }
 
 
@@ -112,11 +117,11 @@ static const int debug = 0;
     {
         scalar dictValue = 0;
 
-        if (!dict_)
+        if (!hasDict_)
         {
             FatalErrorIn
             (
-                "SimpleCalc::getDictEntry() const"
+                "calcEntry::getDictEntry() const"
             )   << "No dictionary attached!"
                 << exit(FatalError);
 
@@ -140,13 +145,22 @@ static const int debug = 0;
         entry* entryPtr = dict_->lookupEntryPtr(keyword, true, false);
         if (entryPtr && !entryPtr->isDict())
         {
+            if (entryPtr->stream().size() != 1)
+            {
+                FatalErrorIn
+                (
+                    "calcEntry::getDictEntry() const"
+                )   << "keyword " << keyword << " has "
+                    << entryPtr->stream().size() << " values in dictionary "
+                    << exit(FatalError);
+            }
             entryPtr->stream() >> dictValue;
         }
         else
         {
             FatalErrorIn
             (
-                "SimpleCalc::getDictEntry() const"
+                "calcEntry::getDictEntry() const"
             )   << "keyword " << keyword << " is undefined in dictionary "
                 << exit(FatalError);
         }
@@ -161,7 +175,7 @@ static const int debug = 0;
     }
 
 
-// * * * * * * * * * * * * * * *  CHARACTERS * * * * * * * * * * * * * * * * //
+/*---------------------------------------------------------------------------*/
 
 
 
@@ -174,7 +188,7 @@ static const int debug = 0;
 	~Parser();      //!< Destructor - cleanup errors and dummyToken
 	void SemErr(const wchar_t* msg);    //!< Handle semantic error
 
-	void SimpleCalc();
+	void calcEntry();
 	void Expr(scalar& val);
 	void Term(scalar& val);
 	void Factor(scalar& val);

applications/test/dictionary/calcEntry/calcEntryScanner.cpp

@@ -1,9 +1,16 @@
 
 
-#include <memory.h>
+#include <sstream>
-#include <string.h>
+
 #include "calcEntryScanner.h"
 
+// values for the file stream buffering
+#define MIN_BUFFER_LENGTH 1024        // 1KB
+#define MAX_BUFFER_LENGTH (64*MIN_BUFFER_LENGTH)   // 64KB
+// value for the heap management
+#define HEAP_BLOCK_SIZE   (64*1024)   // 64KB
+
+
 namespace Foam {
 namespace functionEntries {
 namespace calcEntryInternal {
@@ -36,29 +43,6 @@ wchar_t* coco_string_create(const wchar_t* str, int index, int length) {
 	return dest;
 }
 
-wchar_t* coco_string_create_upper(const wchar_t* str) {
-	if (!str) { return NULL; }
-	return coco_string_create_upper(str, 0, wcslen(str));
-}
-
-
-wchar_t* coco_string_create_upper(const wchar_t* str, int index, int len) {
-	if (!str) { return NULL; }
-	wchar_t* dest = new wchar_t[len + 1];
-
-	for (int i = 0; i < len; i++) {
-		const wchar_t ch = str[index + i];
-		if ((L'a' <= ch) && (ch <= L'z')) {
-			dest[i] = ch + (L'A' - L'a');
-		}
-		else {
-			dest[i] = ch;
-		}
-	}
-	dest[len] = L'\0';
-	return dest;
-}
-
 
 wchar_t* coco_string_create_lower(const wchar_t* str) {
 	if (!str) { return NULL; }
@@ -178,7 +162,7 @@ wchar_t* coco_string_create(const char* str) {
 	int len = str ? strlen(str) : 0;
 	wchar_t* dest = new wchar_t[len + 1];
 	for (int i = 0; i < len; ++i) {
-		dest[i] = (wchar_t) str[i];
+		dest[i] = wchar_t(str[i]);
 	}
 	dest[len] = 0;
 	return dest;
@@ -188,7 +172,7 @@ wchar_t* coco_string_create(const char* str, int index, int length) {
 	int len = str ? length : 0;
 	wchar_t* dest = new wchar_t[len + 1];
 	for (int i = 0; i < len; ++i) {
-		dest[i] = (wchar_t) str[index + i];
+		dest[i] = wchar_t(str[index + i]);
 	}
 	dest[len] = 0;
 	return dest;
@@ -200,7 +184,7 @@ char* coco_string_create_char(const wchar_t* str) {
 	char *dest = new char[len + 1];
 	for (int i = 0; i < len; ++i)
 	{
-		dest[i] = (char) str[i];
+		dest[i] = char(str[i]);
 	}
 	dest[len] = 0;
 	return dest;
@@ -213,7 +197,7 @@ char* coco_string_create_char(const wchar_t* str, int index, int length) {
 	}
 	char *dest = new char[len + 1];
 	for (int i = 0; i < len; ++i) {
-		dest[i] = (char) str[index + i];
+		dest[i] = char(str[index + i]);
 	}
 	dest[len] = 0;
 	return dest;
@@ -251,27 +235,61 @@ Token::Token()
 {}
 
 
+// Note: this delete may not be correct if the token was actually
+// allocated by the internal heap mechanism
 Token::~Token() {
 	coco_string_delete(val);
 }
 
 
-Buffer::Buffer(FILE* s, bool isUserStream) {
+// ----------------------------------------------------------------------------
+// Buffer Implementation
+// ----------------------------------------------------------------------------
+
+Buffer::Buffer(Buffer* b)
+:
+	buf(b->buf),
+	bufCapacity(b->bufCapacity),
+	bufLen(b->bufLen),
+	bufPos(b->bufPos),
+	bufStart(b->bufStart),
+	fileLen(b->fileLen),
+	cStream(b->cStream),
+	stdStream(b->stdStream),
+	isUserStream_(b->isUserStream_)
+{
+	// avoid accidental deletion on any of these members
+	b->buf = NULL;
+	b->cStream = NULL;
+	b->stdStream = NULL;
+}
+
+
+Buffer::Buffer(FILE* istr, bool isUserStream)
+:
+	buf(NULL),
+	bufCapacity(0),
+	bufLen(0),
+	bufPos(0),
+	bufStart(0),
+	fileLen(0),
+	cStream(istr),
+	stdStream(NULL),
+	isUserStream_(isUserStream)
+{
 // ensure binary read on windows
 #if _MSC_VER >= 1300
-	_setmode(_fileno(s), _O_BINARY);
+	_setmode(_fileno(cStream), _O_BINARY);
 #endif
-	stream = s; this->isUserStream = isUserStream;
+
 	if (CanSeek()) {
-		fseek(s, 0, SEEK_END);
+		fseek(cStream, 0, SEEK_END);
-		fileLen = ftell(s);
+		fileLen = ftell(cStream);
-		fseek(s, 0, SEEK_SET);
+		fseek(cStream, 0, SEEK_SET);
 		bufLen = (fileLen < MAX_BUFFER_LENGTH) ? fileLen : MAX_BUFFER_LENGTH;
 		bufStart = INT_MAX; // nothing in the buffer so far
 	}
-	else {
+
-		fileLen = bufLen = bufStart = 0;
-	}
 	bufCapacity = (bufLen > 0) ? bufLen : MIN_BUFFER_LENGTH;
 	buf = new unsigned char[bufCapacity];
 	if (fileLen > 0) SetPos(0);          // setup buffer to position 0 (start)
@@ -280,45 +298,74 @@ Buffer::Buffer(FILE* s, bool isUserStream) {
 }
 
 
-Buffer::Buffer(Buffer* b) {
+Buffer::Buffer(std::istream* istr, bool isUserStream)
-	buf = b->buf;
+:
-	bufCapacity = b->bufCapacity;
+	buf(NULL),
-	b->buf = NULL;
+	bufCapacity(0),
-	bufStart = b->bufStart;
+	bufLen(0),
-	bufLen = b->bufLen;
+	bufPos(0),
-	fileLen = b->fileLen;
+	bufStart(0),
-	bufPos = b->bufPos;
+	fileLen(0),
-	stream = b->stream;
+	cStream(NULL),
-	b->stream = NULL;
+	stdStream(istr),
-	isUserStream = b->isUserStream;
+	isUserStream_(isUserStream)
+{
+	// ensure binary read on windows
+#if _MSC_VER >= 1300
+	// TODO
+#endif
 }
 
 
-Buffer::Buffer(const unsigned char* buf, int len) {
+Buffer::Buffer(std::string& str)
-	this->buf = new unsigned char[len];
+:
-	memcpy(this->buf, buf, len*sizeof(unsigned char));
+	buf(NULL),
-	bufStart = 0;
+	bufCapacity(0),
-	bufCapacity = bufLen = len;
+	bufLen(0),
-	fileLen = len;
+	bufPos(0),
-	bufPos = 0;
+	bufStart(0),
-	stream = NULL;
+	fileLen(0),
+	cStream(NULL),
+	stdStream(new std::istringstream(str)),
+	isUserStream_(false)
+{}
+
+
+Buffer::Buffer(const unsigned char* chars, int len)
+:
+	buf(new unsigned char[len]),
+	bufCapacity(len),
+	bufLen(len),
+	bufPos(0),
+	bufStart(0),
+	fileLen(len),
+	cStream(NULL),
+	stdStream(NULL),
+	isUserStream_(false)
+{
+	memcpy(this->buf, chars, len*sizeof(char));
 }
 
 
-Buffer::Buffer(const char* buf, int len) {
+Buffer::Buffer(const char* chars, int len)
-	this->buf = new unsigned char[len];
+:
-	memcpy(this->buf, buf, len*sizeof(unsigned char));
+	buf(new unsigned char[len]),
-	bufStart = 0;
+	bufCapacity(len),
-	bufCapacity = bufLen = len;
+	bufLen(len),
-	fileLen = len;
+	bufPos(0),
-	bufPos = 0;
+	bufStart(0),
-	stream = NULL;
+	fileLen(len),
+	cStream(NULL),
+	stdStream(NULL),
+	isUserStream_(false)
+{
+	memcpy(this->buf, chars, len*sizeof(char));
 }
 
 
 Buffer::~Buffer() {
 	Close();
-	if (buf != NULL) {
+	if (buf) {
 		delete [] buf;
 		buf = NULL;
 	}
@@ -326,20 +373,36 @@ Buffer::~Buffer() {
 
 
 void Buffer::Close() {
-	if (!isUserStream && stream != NULL) {
+	if (!isUserStream_) {
-		fclose(stream);
+		if (cStream) {
-		stream = NULL;
+			fclose(cStream);
+			cStream = NULL;
+		}
+		else if (stdStream) {
+			delete stdStream;
+			stdStream = 0;
+		}
 	}
 }
 
 
 int Buffer::Read() {
+	if (stdStream)
+	{
+		int ch = stdStream->get();
+		if (stdStream->eof())
+		{
+			return EoF;
+		}
+		return ch;
+	}
+
 	if (bufPos < bufLen) {
 		return buf[bufPos++];
 	} else if (GetPos() < fileLen) {
 		SetPos(GetPos()); // shift buffer start to Pos
 		return buf[bufPos++];
-	} else if ((stream != NULL) && !CanSeek() && (ReadNextStreamChunk() > 0)) {
+	} else if (cStream && !CanSeek() && (ReadNextStreamChunk() > 0)) {
 		return buf[bufPos++];
 	} else {
 		return EoF;
@@ -347,91 +410,6 @@ int Buffer::Read() {
 }
 
 
-int Buffer::Peek() {
-	int curPos = GetPos();
-	int ch = Read();
-	SetPos(curPos);
-	return ch;
-}
-
-
-wchar_t* Buffer::GetString(int beg, int end) {
-	int len = 0;
-	wchar_t *buf = new wchar_t[end - beg];
-	int oldPos = GetPos();
-	SetPos(beg);
-	while (GetPos() < end) buf[len++] = (wchar_t) Read();
-	SetPos(oldPos);
-	wchar_t *res = coco_string_create(buf, 0, len);
-	coco_string_delete(buf);
-	return res;
-}
-
-
-int Buffer::GetPos() {
-	return bufPos + bufStart;
-}
-
-
-void Buffer::SetPos(int value) {
-	if ((value >= fileLen) && (stream != NULL) && !CanSeek()) {
-		// Wanted position is after buffer and the stream
-		// is not seek-able e.g. network or console,
-		// thus we have to read the stream manually till
-		// the wanted position is in sight.
-		while ((value >= fileLen) && (ReadNextStreamChunk() > 0))
-		{}
-	}
-
-	if ((value < 0) || (value > fileLen)) {
-		wprintf(L"--- buffer out of bounds access, position: %d\n", value);
-		::exit(1);
-	}
-
-	if ((value >= bufStart) && (value < (bufStart + bufLen))) { // already in buffer
-		bufPos = value - bufStart;
-	} else if (stream != NULL) { // must be swapped in
-		fseek(stream, value, SEEK_SET);
-		bufLen = fread(buf, sizeof(unsigned char), bufCapacity, stream);
-		bufStart = value; bufPos = 0;
-	} else {
-		bufPos = fileLen - bufStart; // make Pos return fileLen
-	}
-}
-
-
-// Read the next chunk of bytes from the stream, increases the buffer
-// if needed and updates the fields fileLen and bufLen.
-// Returns the number of bytes read.
-int Buffer::ReadNextStreamChunk() {
-	int freeLen = bufCapacity - bufLen;
-	if (freeLen == 0) {
-		// in the case of a growing input stream
-		// we can neither seek in the stream, nor can we
-		// foresee the maximum length, thus we must adapt
-		// the buffer size on demand.
-		bufCapacity = bufLen * 2;
-		unsigned char *newBuf = new unsigned char[bufCapacity];
-		memcpy(newBuf, buf, bufLen*sizeof(unsigned char));
-		delete [] buf;
-		buf = newBuf;
-		freeLen = bufLen;
-	}
-	int read = fread(buf + bufLen, sizeof(unsigned char), freeLen, stream);
-	if (read > 0) {
-		fileLen = bufLen = (bufLen + read);
-		return read;
-	}
-	// end of stream reached
-	return 0;
-}
-
-
-bool Buffer::CanSeek() {
-	return (stream != NULL) && (ftell(stream) != -1);
-}
-
-
 int UTF8Buffer::Read() {
 	int ch;
 	do {
@@ -464,42 +442,143 @@ int UTF8Buffer::Read() {
 }
 
 
-Scanner::Scanner(const unsigned char* buf, int len) {
+int Buffer::Peek() {
-	buffer = new Buffer(buf, len);
+	int curPos = GetPos();
+	int ch = Read();
+	SetPos(curPos);
+	return ch;
+}
+
+
+int Buffer::GetPos() const {
+	if (stdStream)
+	{
+		return stdStream->tellg();
+	}
+
+	return bufPos + bufStart;
+}
+
+
+void Buffer::SetPos(int value) {
+	if (stdStream)
+	{
+		stdStream->seekg(value, std::ios::beg);
+		return;
+	}
+
+	if ((value >= fileLen) && cStream && !CanSeek()) {
+		// Wanted position is after buffer and the stream
+		// is not seek-able e.g. network or console,
+		// thus we have to read the stream manually till
+		// the wanted position is in sight.
+		while ((value >= fileLen) && (ReadNextStreamChunk() > 0))
+		{}
+	}
+
+	if ((value < 0) || (value > fileLen)) {
+		wprintf(L"--- buffer out of bounds access, position: %d\n", value);
+		::exit(1);
+	}
+
+	if ((value >= bufStart) && (value < (bufStart + bufLen))) { // already in buffer
+		bufPos = value - bufStart;
+	} else if (cStream) { // must be swapped in
+		fseek(cStream, value, SEEK_SET);
+		bufLen = fread(buf, sizeof(char), bufCapacity, cStream);
+		bufStart = value; bufPos = 0;
+	} else {
+		bufPos = fileLen - bufStart; // make Pos return fileLen
+	}
+}
+
+
+// Read the next chunk of bytes from the stream, increases the buffer
+// if needed and updates the fields fileLen and bufLen.
+// Returns the number of bytes read.
+int Buffer::ReadNextStreamChunk() {
+	int freeLen = bufCapacity - bufLen;
+	if (freeLen == 0) {
+		// in the case of a growing input stream
+		// we can neither seek in the stream, nor can we
+		// foresee the maximum length, thus we must adapt
+		// the buffer size on demand.
+		bufCapacity = bufLen * 2;
+		unsigned char *newBuf = new unsigned char[bufCapacity];
+		memcpy(newBuf, buf, bufLen*sizeof(char));
+		delete [] buf;
+		buf = newBuf;
+		freeLen = bufLen;
+	}
+	int read = fread(buf + bufLen, sizeof(char), freeLen, cStream);
+	if (read > 0) {
+		fileLen = bufLen = (bufLen + read);
+		return read;
+	}
+	// end of stream reached
+	return 0;
+}
+
+
+bool Buffer::CanSeek() const {
+	return cStream && (ftell(cStream) != -1);
+}
+
+
+// ----------------------------------------------------------------------------
+// Scanner Implementation
+// ----------------------------------------------------------------------------
+
+Scanner::Scanner(FILE* istr)
+:
+	buffer(new Buffer(istr, true))
+{
 	Init();
 }
 
 
-Scanner::Scanner(const char* buf, int len) {
+Scanner::Scanner(std::istream& istr)
-	buffer = new Buffer(buf, len);
+:
+	buffer(new Buffer(&istr, true))
+{
 	Init();
 }
 
 
 Scanner::Scanner(const wchar_t* fileName) {
-	FILE* stream;
 	char *chFileName = coco_string_create_char(fileName);
-	if ((stream = fopen(chFileName, "rb")) == NULL) {
+	FILE* istr;
+	if ((istr = fopen(chFileName, "rb")) == NULL) {
 		wprintf(L"--- Cannot open file %ls\n", fileName);
 		::exit(1);
 	}
 	coco_string_delete(chFileName);
-	buffer = new Buffer(stream, false);
+	buffer = new Buffer(istr, false);
 	Init();
 }
 
 
-Scanner::Scanner(FILE* s) {
+Scanner::Scanner(const unsigned char* buf, int len)
-	buffer = new Buffer(s, true);
+:
+	buffer(new Buffer(buf, len))
+{
+	Init();
+}
+
+
+Scanner::Scanner(const char* buf, int len)
+:
+	buffer(new Buffer(buf, len))
+{
 	Init();
 }
 
 
 Scanner::~Scanner() {
-	char* cur = (char*) firstHeap;
+	char* cur = reinterpret_cast<char*>(firstHeap);
 
-	while (cur != NULL) {
+	while (cur) {
-		cur = *(char**) (cur + HEAP_BLOCK_SIZE);
+		cur = *(reinterpret_cast<char**>(cur + HEAP_BLOCK_SIZE));
 		free(firstHeap);
 		firstHeap = cur;
 	}
@@ -509,14 +588,11 @@ Scanner::~Scanner() {
 
 
 void Scanner::Init() {
-	maxT = 13;
+	for (int i = 65; i <= 90; ++i) start.set(i, 1);
-	noSym = 13;
+	for (int i = 97; i <= 122; ++i) start.set(i, 1);
-	int i;
+	for (int i = 36; i <= 36; ++i) start.set(i, 5);
-	for (i = 65; i <= 90; ++i) start.set(i, 1);
-	for (i = 97; i <= 122; ++i) start.set(i, 1);
-	for (i = 36; i <= 36; ++i) start.set(i, 5);
 	start.set(45, 20);
-	for (i = 48; i <= 57; ++i) start.set(i, 9);
+	for (int i = 48; i <= 57; ++i) start.set(i, 9);
 	start.set(34, 2);
 	start.set(46, 7);
 	start.set(123, 14);
@@ -529,13 +605,16 @@ void Scanner::Init() {
 	start.set(Buffer::EoF, -1);
 
 
+
 	tvalLength = 128;
 	tval = new wchar_t[tvalLength]; // text of current token
 
 	// HEAP_BLOCK_SIZE byte heap + pointer to next heap block
 	heap = malloc(HEAP_BLOCK_SIZE + sizeof(void*));
 	firstHeap = heap;
-	heapEnd = (void**) (((char*) heap) + HEAP_BLOCK_SIZE);
+	heapEnd =
+		reinterpret_cast<void**>
+		(reinterpret_cast<char*>(heap) + HEAP_BLOCK_SIZE);
 	*heapEnd = 0;
 	heapTop = heap;
 	if (sizeof(Token) > HEAP_BLOCK_SIZE) {
@@ -645,19 +724,25 @@ bool Scanner::Comment1() {
 
 
 void Scanner::CreateHeapBlock() {
-	void* newHeap;
+	char* cur = reinterpret_cast<char*>(firstHeap);
-	char* cur = (char*) firstHeap;
 
-	while (((char*) tokens < cur) || ((char*) tokens > (cur + HEAP_BLOCK_SIZE))) {
+	// release unused blocks
-		cur = *((char**) (cur + HEAP_BLOCK_SIZE));
+	while
+	(
+            (reinterpret_cast<char*>(tokens) < cur)
+         || (reinterpret_cast<char*>(tokens) > (cur + HEAP_BLOCK_SIZE))
+        ) {
+		cur = *(reinterpret_cast<char**>(cur + HEAP_BLOCK_SIZE));
 		free(firstHeap);
 		firstHeap = cur;
 	}
 
 	// HEAP_BLOCK_SIZE byte heap + pointer to next heap block
-	newHeap = malloc(HEAP_BLOCK_SIZE + sizeof(void*));
+	void* newHeap = malloc(HEAP_BLOCK_SIZE + sizeof(void*));
 	*heapEnd = newHeap;
-	heapEnd = (void**) (((char*) newHeap) + HEAP_BLOCK_SIZE);
+	heapEnd =
+		reinterpret_cast<void**>
+		(reinterpret_cast<char*>(newHeap) + HEAP_BLOCK_SIZE);
 	*heapEnd = 0;
 	heap = newHeap;
 	heapTop = heap;
@@ -665,38 +750,57 @@ void Scanner::CreateHeapBlock() {
 
 
 Token* Scanner::CreateToken() {
-	Token *t;
+	const int reqMem = sizeof(Token);
-	if (((char*) heapTop + (int) sizeof(Token)) >= (char*) heapEnd) {
+	if
+	(
+	    (reinterpret_cast<char*>(heapTop) + reqMem)
+	 >= reinterpret_cast<char*>(heapEnd)
+	) {
 		CreateHeapBlock();
 	}
-	t = (Token*) heapTop;
+	// token 'occupies' heap starting at heapTop
-	heapTop = (void*) ((char*) heapTop + sizeof(Token));
+	Token* tok = reinterpret_cast<Token*>(heapTop);
-	t->val = NULL;
+	// increment past this part of the heap, which is now used
-	t->next = NULL;
+	heapTop =
-	return t;
+		reinterpret_cast<void*>
+		(reinterpret_cast<char*>(heapTop) + reqMem);
+	tok->val  = NULL;
+	tok->next = NULL;
+	return tok;
 }
 
 
-void Scanner::AppendVal(Token *t) {
+void Scanner::AppendVal(Token* tok) {
-	int reqMem = (tlen + 1) * sizeof(wchar_t);
+	const int reqMem = (tlen + 1) * sizeof(wchar_t);
-	if (((char*) heapTop + reqMem) >= (char*) heapEnd) {
+	if
+	(
+	    (reinterpret_cast<char*>(heapTop) + reqMem)
+	 >= reinterpret_cast<char*>(heapEnd)
+	) {
 		if (reqMem > HEAP_BLOCK_SIZE) {
 			wprintf(L"--- Too long token value\n");
 			::exit(1);
 		}
 		CreateHeapBlock();
 	}
-	t->val = (wchar_t*) heapTop;
-	heapTop = (void*) ((char*) heapTop + reqMem);
 
-	wcsncpy(t->val, tval, tlen);
+	// add text value from heap
-	t->val[tlen] = L'\0';
+	tok->val = reinterpret_cast<wchar_t*>(heapTop);
+
+	// increment past this part of the heap, which is now used
+	heapTop =
+		reinterpret_cast<void*>
+		(reinterpret_cast<char*>(heapTop) + reqMem);
+
+	// copy the currently parsed tval into the token
+	wcsncpy(tok->val, tval, tlen);
+	tok->val[tlen] = L'\0';
 }
 
 
 Token* Scanner::NextToken() {
 	while (ch == ' ' ||
-			ch <= 31 || (ch >= 127 && ch <= 65535)
+			(ch >= 9 && ch <= 10) || ch == 13
 	) NextCh();
 	if ((ch == L'/' && Comment0()) || (ch == L'/' && Comment1())) return NextToken();
 	t = CreateToken();
@@ -818,8 +922,11 @@ void Scanner::ResetPeek() {
 }
 
 
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
 } // namespace
 } // namespace
 } // namespace
 
 
+// ************************************************************************* //

applications/test/dictionary/calcEntry/calcEntryScanner.h

@@ -3,11 +3,14 @@
 #ifndef COCO_calcEntrySCANNER_H__
 #define COCO_calcEntrySCANNER_H__
 
-#include <limits.h>
+#include <climits>
-#include <stdio.h>
+#include <cstdio>
-#include <stdlib.h>
+#include <cstdlib>
-#include <string.h>
+#include <cstring>
-#include <wchar.h>
+#include <cwchar>
+#include <string>
+#include <fstream>
+#include <iostream>
 
 // io.h and fcntl are used to ensure binary read from streams on windows
 #if _MSC_VER >= 1300
@@ -24,10 +27,8 @@
 #define coco_swprintf swprintf
 #endif
 
+
 #define COCO_WCHAR_MAX    65535
-#define MIN_BUFFER_LENGTH 1024
-#define MAX_BUFFER_LENGTH (64*MIN_BUFFER_LENGTH)
-#define HEAP_BLOCK_SIZE   (64*1024)
 
 
 namespace Foam {
@@ -48,12 +49,6 @@ wchar_t* coco_string_create(const wchar_t* str);
 //! Create a substring of str starting at index and length characters long
 wchar_t* coco_string_create(const wchar_t* str, int index, int length);
 
-//! Create an uppercase string from str
-wchar_t* coco_string_create_upper(const wchar_t* str);
-
-//! Create an uppercase substring from str starting at index and length characters long
-wchar_t* coco_string_create_upper(const wchar_t* str, int index, int length);
-
 //! Create a lowercase string from str
 wchar_t* coco_string_create_lower(const wchar_t* str);
 
@@ -138,7 +133,6 @@ float coco_string_toFloat(const char* str);
 // * * * * * * * * * End of Wide Character String Routines * * * * * * * * * //
 
 
-
 //! Scanner Token
 class Token
 {
@@ -151,7 +145,7 @@ public:
 	Token *next;    //!< Peek tokens are kept in linked list
 
 	Token();        //!< Construct null
-	~Token();       //!< Destructor - cleanup allocated val
+	~Token();       //!< Destructor - cleanup allocated val??
 };
 
 
@@ -166,30 +160,48 @@ class Buffer {
 private:
 	unsigned char *buf; //!< input buffer
 	int bufCapacity;    //!< capacity of buf
-	int bufStart;       //!< position of first byte in buffer relative to input stream
 	int bufLen;         //!< length of buffer
-	int fileLen;        //!< length of input stream (may change if the stream is no file)
 	int bufPos;         //!< current position in buffer
-	FILE* stream;       //!< input stream (seekable)
+	int bufStart;       //!< position of first byte in buffer relative to input stream
-	bool isUserStream;  //!< was the stream opened by the user?
+	int fileLen;        //!< length of input stream (may change if the stream is no file)
+	FILE* cStream;      //!< input stdio stream (normally seekable)
+	std::istream* stdStream;  //!< STL std stream (seekable)
+	bool isUserStream_;  //!< was the stream opened by the user?
 
 	int ReadNextStreamChunk();
-	bool CanSeek();     //!< true if stream can be seeked otherwise false
+	bool CanSeek() const; //!< true if stream can be seeked otherwise false
+
+protected:
+	Buffer(Buffer*);    //!< for the UTF8Buffer
 
 public:
 	static const int EoF = COCO_WCHAR_MAX + 1;
 
-	Buffer(FILE*, bool isUserStream);
+	//! Attach buffer to a stdio stream.
-	Buffer(const unsigned char* buf, int len);
+	//! User streams are not closed in the destructor
-	Buffer(const char* buf, int len);
+	Buffer(FILE*, bool isUserStream = true);
-	Buffer(Buffer*);
+
+	//! Attach buffer to an STL std stream
+	//! User streams are not closed in the destructor
+	explicit Buffer(std::istream*, bool isUserStream = true);
+
+	//! Copy buffer contents from constant string
+	//! Handled internally as an istringstream
+	explicit Buffer(std::string&);
+
+	//! Copy buffer contents from constant character string
+	Buffer(const unsigned char* chars, int len);
+	//! Copy buffer contents from constant character string
+	Buffer(const char* chars, int len);
+
+	//! Close stream (but not user streams) and free buf (if any)
 	virtual ~Buffer();
 
-	virtual void Close();
+	virtual void Close();   //!< Close stream (but not user streams)
-	virtual int Read();
+	virtual int Read();     //!< Get character from stream or buffer
-	virtual int Peek();
+	virtual int Peek();     //!< Peek character from stream or buffer
-	virtual wchar_t* GetString(int beg, int end);
+
-	virtual int GetPos();
+	virtual int GetPos() const;
 	virtual void SetPos(int value);
 };
 
@@ -205,31 +217,31 @@ public:
 //------------------------------------------------------------------------------
 // StartStates
 //------------------------------------------------------------------------------
-//! maps characters to start states of tokens
+//! maps characters (integers) to start states of tokens
 class StartStates {
 private:
 	class Elem {
 	public:
 		int key, val;
 		Elem *next;
-		Elem(int key, int val) {
+		Elem(int k, int v) :
-			this->key = key;
+			key(k), val(v), next(0)
-			this->val = val;
+		{}
-			next = NULL;
-		}
 	};
 
 	Elem **tab;
 
 public:
-	StartStates() {
+	StartStates() :
-		tab = new Elem*[128];
+		tab(new Elem*[128])
+	{
 		memset(tab, 0, 128 * sizeof(Elem*));
 	}
+
 	virtual ~StartStates() {
 		for (int i = 0; i < 128; ++i) {
 			Elem *e = tab[i];
-			while (e != NULL) {
+			while (e) {
 				Elem *next = e->next;
 				delete e;
 				e = next;
@@ -240,15 +252,15 @@ public:
 
 	void set(int key, int val) {
 		Elem *e = new Elem(key, val);
-		int k = ((unsigned int) key) % 128;
+		int k = unsigned(key) % 128;
 		e->next = tab[k];
 		tab[k] = e;
 	}
 
 	int state(int key) {
-		Elem *e = tab[((unsigned int) key) % 128];
+		Elem *e = tab[unsigned(key) % 128];
-		while (e != NULL && e->key != key) e = e->next;
+		while (e && e->key != key) e = e->next;
-		return e == NULL ? 0 : e->val;
+		return e ? e->val : 0;
 	}
 };
 
@@ -264,11 +276,9 @@ private:
 		wchar_t *key;
 		int val;
 		Elem *next;
-		Elem(const wchar_t *key, int val) {
+		Elem(const wchar_t *k, int v) :
-			this->key = coco_string_create(key);
+			key(coco_string_create(k)), val(v), next(0)
-			this->val = val;
+		{}
-			next = NULL;
-		}
 		virtual ~Elem() {
 			coco_string_delete(key);
 		}
@@ -277,14 +287,16 @@ private:
 	Elem **tab;
 
 public:
-	KeywordMap() {
+	KeywordMap() :
-		tab = new Elem*[128];
+		tab(new Elem*[128])
+	{
 		memset(tab, 0, 128 * sizeof(Elem*));
 	}
+
 	virtual ~KeywordMap() {
 		for (int i = 0; i < 128; ++i) {
 			Elem *e = tab[i];
-			while (e != NULL) {
+			while (e) {
 				Elem *next = e->next;
 				delete e;
 				e = next;
@@ -295,14 +307,15 @@ public:
 
 	void set(const wchar_t *key, int val) {
 		Elem *e = new Elem(key, val);
-		int k = coco_string_hash(key) % 128;
+		const int k = coco_string_hash(key) % 128;
-		e->next = tab[k]; tab[k] = e;
+		e->next = tab[k];
+		tab[k] = e;
 	}
 
 	int get(const wchar_t *key, int defaultVal) {
 		Elem *e = tab[coco_string_hash(key) % 128];
-		while (e != NULL && !coco_string_equal(e->key, key)) e = e->next;
+		while (e && !coco_string_equal(e->key, key)) e = e->next;
-		return e == NULL ? defaultVal : e->val;
+		return e ? e->val : defaultVal;
 	}
 };
 
@@ -310,24 +323,24 @@ public:
 //! A Coco/R Scanner
 class Scanner {
 private:
-	static const unsigned char EOL = '\n';   // end-of-line character
+	static const int maxT = 13;
-	static const int eofSym = 0;             // end-of-file token id
+	static const int noSym = 13;
 
-	void *firstHeap;
+	static const int eofSym = 0;    //!< end-of-file token id
-	void *heap;
+	static const char EOL = '\n';   //!< end-of-line character
-	void *heapTop;
-	void **heapEnd;
 
-	int noSym;        //!< noSym gets highest number, set in Parser
+	void *firstHeap;  //!< the start of the heap management
-	int maxT;
+	void *heap;       //!< the currently active block
-	int charSetSize;  //!< unused?
+	void *heapTop;    //!< the top of the heap
-	StartStates start;
+	void **heapEnd;   //!< the end of the last heap block
-	KeywordMap keywords;
+
+	StartStates start;   //!< A map of start states for particular characters
+	KeywordMap keywords; //!< A hash of keyword literals to token kind
 
 	Token *t;         //!< current token
 	wchar_t *tval;    //!< text of current token
-	int tvalLength;   //!< length of text of current token
+	int tvalLength;   //!< maximum capacity (length) for tval
-	int tlen;         //!< length of current token
+	int tlen;         //!< length of tval
 
 	Token *tokens;    //!< list of tokens already peeked (first token is a dummy)
 	Token *pt;        //!< current peek token
@@ -337,36 +350,42 @@ private:
 	int pos;          //!< byte position of current character
 	int line;         //!< line number of current character
 	int col;          //!< column number of current character
-	int oldEols;      //!< EOLs that appeared in a comment;
+	int oldEols;      //!< the number of EOLs that appeared in a comment
 
-	void CreateHeapBlock();
+	void CreateHeapBlock();       //!< add a heap block, freeing unused ones
-	Token* CreateToken();
+	Token* CreateToken();         //!< fit token on the heap
-	void AppendVal(Token*);
+	void AppendVal(Token* tok);   //!< adjust tok->val to point to the heap and copy tval into it
 
-	void Init();
+	void Init();      //!< complete the initialization for the constructors
-	void NextCh();
+	void NextCh();    //!< get the next input character into ch
-	void AddCh();
+	void AddCh();     //!< append the character ch to tval
 	bool Comment0();
 	bool Comment1();
 
-	Token* NextToken();
+	Token* NextToken();  //!< get the next token
 
 public:
-	//! scanner buffer
+	//! The scanner buffer
 	Buffer *buffer;
 
-	//! Attach scanner to an existing character buffer
-	Scanner(const unsigned char* buf, int len);
-	//! Attach scanner to an existing character buffer
-	Scanner(const char* buf, int len);
-	//! Open a file for reading and attach scanner
-	Scanner(const wchar_t* fileName);
 	//! Using an existing open file handle for the scanner
-	Scanner(FILE* s);
+	Scanner(FILE*);
-	~Scanner();
+
-	Token* Scan();
+	//! Using an existing open STL std stream
-	Token* Peek();
+	explicit Scanner(std::istream&);
-	void ResetPeek();
+
+	//! Open a file for reading and attach scanner
+	explicit Scanner(const wchar_t* fileName);
+
+	//! Attach scanner to an existing character buffer
+	Scanner(const unsigned char* chars, int len);
+	//! Attach scanner to an existing character buffer
+	Scanner(const char* chars, int len);
+
+	~Scanner();        //!< free heap and allocated memory
+	Token* Scan();     //!< get the next token (possibly a token already seen during peeking)
+	Token* Peek();     //!< peek for the next token, ignore pragmas
+	void ResetPeek();  //!< ensure that peeking starts at the current scan position
 
 }; // end Scanner
 

applications/test/dictionary/testDict

@@ -67,7 +67,6 @@ boundaryField
         // error           #remove self;
         x               5;
         y               6;
-        another         #calc{x $x; y $y;};
     }
 
     // this should have no effect

applications/test/dictionary/testDictCalc

@@ -14,8 +14,11 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-x       10 /* what ever */ 20;
+flowRatePerHour 720;
+
+x       10;
 y       20;
+z       t s v;
 // z       #test{ // this
 //     123 - 456
 //         // comments // are
@@ -26,8 +29,18 @@ y       20;
 //         + 1 /*100 */  10
 // };
 
-p       #test{ 1 + 2 + 10 * 15 + $x - $y };
+p     this calculation #calc{
+          1 + 2 + 10 * 15 +
+          $x - $y
+        // $x + $y
+}
+is done inplace;
 
+
+flowRate    #calc{ $flowRatePerHour / 3600};
+
+xxx         yyy;
 foo         30;
+bar         15;
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

applications/test/momentOfInertia/momentOfInertiaTest.C

@@ -27,12 +27,14 @@ Application
 
 Description
     Calculates the inertia tensor and principal axes and moments of a
-    test face.
+    test face and tetrahedron.
 
 \*---------------------------------------------------------------------------*/
 
 #include "ListOps.H"
 #include "face.H"
+#include "tetPointRef.H"
+#include "triFaceList.H"
 #include "OFstream.H"
 #include "meshTools.H"
 
@@ -40,8 +42,168 @@ Description
 
 using namespace Foam;
 
+void massPropertiesSolid
+(
+    const pointField& pts,
+    const triFaceList triFaces,
+    scalar density,
+    scalar& mass,
+    vector& cM,
+    tensor& J
+)
+{
+    // Reimplemented from: Wm4PolyhedralMassProperties.cpp
+    // File Version: 4.10.0 (2009/11/18)
+
+    // Geometric Tools, LC
+    // Copyright (c) 1998-2010
+    // Distributed under the Boost Software License, Version 1.0.
+    // http://www.boost.org/LICENSE_1_0.txt
+    // http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
+
+    // Boost Software License - Version 1.0 - August 17th, 2003
+
+    // Permission is hereby granted, free of charge, to any person or
+    // organization obtaining a copy of the software and accompanying
+    // documentation covered by this license (the "Software") to use,
+    // reproduce, display, distribute, execute, and transmit the
+    // Software, and to prepare derivative works of the Software, and
+    // to permit third-parties to whom the Software is furnished to do
+    // so, all subject to the following:
+
+    // The copyright notices in the Software and this entire
+    // statement, including the above license grant, this restriction
+    // and the following disclaimer, must be included in all copies of
+    // the Software, in whole or in part, and all derivative works of
+    // the Software, unless such copies or derivative works are solely
+    // in the form of machine-executable object code generated by a
+    // source language processor.
+
+    // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+    // OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
+    // NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+    // ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE FOR ANY DAMAGES OR
+    // OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+    // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+    // USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+    const scalar r6 = 1.0/6.0;
+    const scalar r24 = 1.0/24.0;
+    const scalar r60 = 1.0/60.0;
+    const scalar r120 = 1.0/120.0;
+
+    // order:  1, x, y, z, x^2, y^2, z^2, xy, yz, zx
+    scalarField integrals(10, 0.0);
+
+    forAll(triFaces, i)
+    {
+        const triFace& tri(triFaces[i]);
+
+        // vertices of triangle i
+        vector v0 = pts[tri[0]];
+        vector v1 = pts[tri[1]];
+        vector v2 = pts[tri[2]];
+
+        // cross product of edges
+        vector eA = v1 - v0;
+        vector eB = v2 - v0;
+        vector n = eA ^ eB;
+
+        // compute integral terms
+        scalar tmp0, tmp1, tmp2;
+
+        scalar f1x, f2x, f3x, g0x, g1x, g2x;
+
+        tmp0 = v0.x() + v1.x();
+        f1x = tmp0 + v2.x();
+        tmp1 = v0.x()*v0.x();
+        tmp2 = tmp1 + v1.x()*tmp0;
+        f2x = tmp2 + v2.x()*f1x;
+        f3x = v0.x()*tmp1 + v1.x()*tmp2 + v2.x()*f2x;
+        g0x = f2x + v0.x()*(f1x + v0.x());
+        g1x = f2x + v1.x()*(f1x + v1.x());
+        g2x = f2x + v2.x()*(f1x + v2.x());
+
+        scalar f1y, f2y, f3y, g0y, g1y, g2y;
+
+        tmp0 = v0.y() + v1.y();
+        f1y = tmp0 + v2.y();
+        tmp1 = v0.y()*v0.y();
+        tmp2 = tmp1 + v1.y()*tmp0;
+        f2y = tmp2 + v2.y()*f1y;
+        f3y = v0.y()*tmp1 + v1.y()*tmp2 + v2.y()*f2y;
+        g0y = f2y + v0.y()*(f1y + v0.y());
+        g1y = f2y + v1.y()*(f1y + v1.y());
+        g2y = f2y + v2.y()*(f1y + v2.y());
+
+        scalar f1z, f2z, f3z, g0z, g1z, g2z;
+
+        tmp0 = v0.z() + v1.z();
+        f1z = tmp0 + v2.z();
+        tmp1 = v0.z()*v0.z();
+        tmp2 = tmp1 + v1.z()*tmp0;
+        f2z = tmp2 + v2.z()*f1z;
+        f3z = v0.z()*tmp1 + v1.z()*tmp2 + v2.z()*f2z;
+        g0z = f2z + v0.z()*(f1z + v0.z());
+        g1z = f2z + v1.z()*(f1z + v1.z());
+        g2z = f2z + v2.z()*(f1z + v2.z());
+
+        // update integrals
+        integrals[0] += n.x()*f1x;
+        integrals[1] += n.x()*f2x;
+        integrals[2] += n.y()*f2y;
+        integrals[3] += n.z()*f2z;
+        integrals[4] += n.x()*f3x;
+        integrals[5] += n.y()*f3y;
+        integrals[6] += n.z()*f3z;
+        integrals[7] += n.x()*(v0.y()*g0x + v1.y()*g1x + v2.y()*g2x);
+        integrals[8] += n.y()*(v0.z()*g0y + v1.z()*g1y + v2.z()*g2y);
+        integrals[9] += n.z()*(v0.x()*g0z + v1.x()*g1z + v2.x()*g2z);
+    }
+
+    integrals[0] *= r6;
+    integrals[1] *= r24;
+    integrals[2] *= r24;
+    integrals[3] *= r24;
+    integrals[4] *= r60;
+    integrals[5] *= r60;
+    integrals[6] *= r60;
+    integrals[7] *= r120;
+    integrals[8] *= r120;
+    integrals[9] *= r120;
+
+    // mass
+    mass = integrals[0];
+
+    // center of mass
+    cM = vector(integrals[1], integrals[2], integrals[3])/mass;
+
+    // inertia relative to origin
+    J.xx() = integrals[5] + integrals[6];
+    J.xy() = -integrals[7];
+    J.xz() = -integrals[9];
+    J.yx() = J.xy();
+    J.yy() = integrals[4] + integrals[6];
+    J.yz() = -integrals[8];
+    J.zx() = J.xz();
+    J.zy() = J.yz();
+    J.zz() = integrals[4] + integrals[5];
+
+    // inertia relative to center of mass
+    J -= mass*((cM & cM)*I - cM*cM);
+
+    // Apply density
+    mass *= density;
+    J *= density;
+}
+
+
 int main(int argc, char *argv[])
 {
+    scalar density = 1.0;
+
+    {
         label nPts = 6;
 
         pointField pts(nPts);
@@ -53,8 +215,6 @@ int main(int argc, char *argv[])
         pts[4] = point(4.294, 4.024, -4.317);
         pts[5] = point(4.409, 3.687, -4.317);
 
-    scalar density = 1.0;
-
         face f(identity(nPts));
 
         point Cf = f.centre(pts);
@@ -72,7 +232,7 @@ int main(int argc, char *argv[])
             << "eigenVectors (principal axes) " << eVec
             << endl;
 
-    OFstream str("momentOfInertiaTest.obj");
+        OFstream str("momentOfInertiaTestFace.obj");
 
         Info<< nl << "Writing test face and scaled principal axes to "
             << str.name() << endl;
@@ -102,6 +262,91 @@ int main(int argc, char *argv[])
         {
             str << "l " << nPts + 1 << ' ' << i + 1 << endl;
         }
+    }
+
+    {
+        label nPts = 4;
+
+        pointField pts(nPts);
+
+        pts[0] = point(0, 0, 0);
+        pts[1] = point(1, 0, 0);
+        pts[2] = point(0.5, 1, 0);
+        pts[3] = point(0.5, 0.5, 1);
+
+        tetPointRef tet(pts[0], pts[1], pts[2], pts[3]);
+
+        triFaceList tetFaces(4);
+
+        tetFaces[0] = triFace(0, 2, 1);
+        tetFaces[1] = triFace(1, 2, 3);
+        tetFaces[2] = triFace(0, 3, 2);
+        tetFaces[3] = triFace(0, 1, 3);
+
+        scalar m = 0.0;
+        vector cM = vector::zero;
+        tensor J = tensor::zero;
+
+        massPropertiesSolid
+        (
+
+            pts,
+            tetFaces,
+            density,
+            m,
+            cM,
+            J
+        );
+
+        vector eVal = eigenValues(J);
+
+        tensor eVec = eigenVectors(J);
+
+        Info<< nl
+            << "Mass of tetrahedron " << m << nl
+            << "Centre of mass of tetrahedron " << cM << nl
+            << "Inertia tensor of tetrahedron " << J << nl
+            << "eigenValues (principal moments) " << eVal << nl
+            << "eigenVectors (principal axes) " << eVec
+            << endl;
+
+        OFstream str("momentOfInertiaTestTet.obj");
+
+        Info<< nl << "Writing test tetrahedron and scaled principal axes to "
+            << str.name() << endl;
+
+        forAll(pts, ptI)
+        {
+            meshTools::writeOBJ(str, pts[ptI]);
+        }
+
+        forAll(tetFaces, tFI)
+        {
+            const triFace& f = tetFaces[tFI];
+
+            str << "l";
+
+            forAll(f, fI)
+            {
+                str << ' ' << f[fI] + 1;
+            }
+
+            str << ' ' << f[0] + 1 << endl;
+        }
+
+        scalar scale = mag(cM - pts[0])/eVal.component(findMin(eVal));
+
+        meshTools::writeOBJ(str, cM);
+        meshTools::writeOBJ(str, cM + scale*eVal.x()*eVec.x());
+        meshTools::writeOBJ(str, cM + scale*eVal.y()*eVec.y());
+        meshTools::writeOBJ(str, cM + scale*eVal.z()*eVec.z());
+
+        for (label i = nPts + 1; i < nPts + 4; i++)
+        {
+            str << "l " << nPts + 1 << ' ' << i + 1 << endl;
+        }
+
+    }
 
     Info<< nl << "End" << nl << endl;
 

applications/utilities/surface/surfaceInertia/Make/files

@@ -0,0 +1,3 @@
+surfaceInertia.C
+
+EXE = $(FOAM_APPBIN)/surfaceInertia

applications/utilities/surface/surfaceInertia/Make/options

@@ -0,0 +1,7 @@
+EXE_INC = \
+    -I$(LIB_SRC)/meshTools/lnInclude \
+    -I$(LIB_SRC)/triSurface/lnInclude
+
+EXE_LIBS = \
+    -lmeshTools \
+    -ltriSurface

applications/utilities/surface/surfaceInertia/block.obj

@@ -0,0 +1,296 @@
+# Wavefront OBJ file
+# Regions:
+#     0    movingWall
+#     1    fixedWalls
+#     2    frontAndBack
+#
+# points    : 96
+# triangles : 188
+#
+v 0.1 0.1 0.5
+v 0.1 0.1 0.5625
+v 0.16 0.1 0.5625
+v 0.16 0.1 0.5
+v 0.1 0.1 0.625
+v 0.16 0.1 0.625
+v 0.1 0.1 0.6875
+v 0.16 0.1 0.6875
+v 0.1 0.1 0.75
+v 0.16 0.1 0.75
+v 0.22 0.1 0.5625
+v 0.22 0.1 0.5
+v 0.22 0.1 0.625
+v 0.22 0.1 0.6875
+v 0.22 0.1 0.75
+v 0.28 0.1 0.5625
+v 0.28 0.1 0.5
+v 0.28 0.1 0.625
+v 0.28 0.1 0.6875
+v 0.28 0.1 0.75
+v 0.34 0.1 0.5625
+v 0.34 0.1 0.5
+v 0.34 0.1 0.625
+v 0.34 0.1 0.6875
+v 0.34 0.1 0.75
+v 0.4 0.1 0.5625
+v 0.4 0.1 0.5
+v 0.4 0.1 0.625
+v 0.4 0.1 0.6875
+v 0.4 0.1 0.75
+v 0.1 -0.3 0.5
+v 0.1 -0.3 0.5625
+v 0.1 -0.166667 0.5625
+v 0.1 -0.166667 0.5
+v 0.1 -0.0333333 0.5625
+v 0.1 -0.0333333 0.5
+v 0.1 -0.3 0.625
+v 0.1 -0.166667 0.625
+v 0.1 -0.0333333 0.625
+v 0.1 -0.3 0.6875
+v 0.1 -0.166667 0.6875
+v 0.1 -0.0333333 0.6875
+v 0.1 -0.3 0.75
+v 0.1 -0.166667 0.75
+v 0.1 -0.0333333 0.75
+v 0.4 -0.3 0.5
+v 0.4 -0.166667 0.5
+v 0.4 -0.166667 0.5625
+v 0.4 -0.3 0.5625
+v 0.4 -0.0333333 0.5
+v 0.4 -0.0333333 0.5625
+v 0.4 -0.166667 0.625
+v 0.4 -0.3 0.625
+v 0.4 -0.0333333 0.625
+v 0.4 -0.166667 0.6875
+v 0.4 -0.3 0.6875
+v 0.4 -0.0333333 0.6875
+v 0.4 -0.166667 0.75
+v 0.4 -0.3 0.75
+v 0.4 -0.0333333 0.75
+v 0.16 -0.3 0.5
+v 0.16 -0.3 0.5625
+v 0.16 -0.3 0.625
+v 0.16 -0.3 0.6875
+v 0.16 -0.3 0.75
+v 0.22 -0.3 0.5
+v 0.22 -0.3 0.5625
+v 0.22 -0.3 0.625
+v 0.22 -0.3 0.6875
+v 0.22 -0.3 0.75
+v 0.28 -0.3 0.5
+v 0.28 -0.3 0.5625
+v 0.28 -0.3 0.625
+v 0.28 -0.3 0.6875
+v 0.28 -0.3 0.75
+v 0.34 -0.3 0.5
+v 0.34 -0.3 0.5625
+v 0.34 -0.3 0.625
+v 0.34 -0.3 0.6875
+v 0.34 -0.3 0.75
+v 0.16 -0.166667 0.5
+v 0.16 -0.0333333 0.5
+v 0.22 -0.166667 0.5
+v 0.22 -0.0333333 0.5
+v 0.28 -0.166667 0.5
+v 0.28 -0.0333333 0.5
+v 0.34 -0.166667 0.5
+v 0.34 -0.0333333 0.5
+v 0.16 -0.166667 0.75
+v 0.16 -0.0333333 0.75
+v 0.22 -0.166667 0.75
+v 0.22 -0.0333333 0.75
+v 0.28 -0.166667 0.75
+v 0.28 -0.0333333 0.75
+v 0.34 -0.166667 0.75
+v 0.34 -0.0333333 0.75
+g movingWall
+f 1 2 3
+f 3 4 1
+f 2 5 6
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+f 24 25 30
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+g fixedWalls
+f 31 32 33
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+f 34 33 35
+f 35 36 34
+f 36 35 2
+f 2 1 36
+f 32 37 38
+f 38 33 32
+f 33 38 39
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+f 77 49 53
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+f 78 53 56
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+g frontAndBack
+f 31 34 81
+f 81 61 31
+f 34 36 82
+f 82 81 34
+f 36 1 4
+f 4 82 36
+f 61 81 83
+f 83 66 61
+f 81 82 84
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+f 43 65 89
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+f 45 90 10
+f 10 9 45
+f 65 70 91
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+f 89 91 92
+f 92 90 89
+f 90 92 15
+f 15 10 90
+f 70 75 93
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+f 92 94 20
+f 20 15 92
+f 75 80 95
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+f 96 94 93
+f 94 96 25
+f 25 20 94
+f 80 59 58
+f 58 95 80
+f 95 58 60
+f 60 96 95
+f 96 60 30
+f 30 25 96

applications/utilities/surface/surfaceInertia/surfaceInertia.C

@@ -0,0 +1,422 @@
+/*---------------------------------------------------------------------------*\
+ =========                   |
+ \\      /   F ield          | OpenFOAM: The Open Source CFD Toolbox
+  \\    /    O peration      |
+   \\  /     A nd            | Copyright (C) 2009-2009 OpenCFD Ltd.
+    \\/      M anipulation   |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 2 of the License, or (at your
+    option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM; if not, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+Application
+    momentOfInertiaTest
+
+Description
+    Calculates the inertia tensor and principal axes and moments of a
+    command line specified triSurface.  Inertia can either be of the
+    solid body or of a thin shell.
+
+\*---------------------------------------------------------------------------*/
+
+#include "argList.H"
+#include "ListOps.H"
+#include "face.H"
+#include "tetPointRef.H"
+#include "triFaceList.H"
+#include "triSurface.H"
+#include "OFstream.H"
+#include "meshTools.H"
+#include "Random.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+using namespace Foam;
+
+void massPropertiesSolid
+(
+    const pointField& pts,
+    const triFaceList triFaces,
+    scalar density,
+    scalar& mass,
+    vector& cM,
+    tensor& J
+)
+{
+    // Reimplemented from: Wm4PolyhedralMassProperties.cpp
+    // File Version: 4.10.0 (2009/11/18)
+
+    // Geometric Tools, LC
+    // Copyright (c) 1998-2010
+    // Distributed under the Boost Software License, Version 1.0.
+    // http://www.boost.org/LICENSE_1_0.txt
+    // http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
+
+    // Boost Software License - Version 1.0 - August 17th, 2003
+
+    // Permission is hereby granted, free of charge, to any person or
+    // organization obtaining a copy of the software and accompanying
+    // documentation covered by this license (the "Software") to use,
+    // reproduce, display, distribute, execute, and transmit the
+    // Software, and to prepare derivative works of the Software, and
+    // to permit third-parties to whom the Software is furnished to do
+    // so, all subject to the following:
+
+    // The copyright notices in the Software and this entire
+    // statement, including the above license grant, this restriction
+    // and the following disclaimer, must be included in all copies of
+    // the Software, in whole or in part, and all derivative works of
+    // the Software, unless such copies or derivative works are solely
+    // in the form of machine-executable object code generated by a
+    // source language processor.
+
+    // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+    // OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
+    // NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+    // ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE FOR ANY DAMAGES OR
+    // OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+    // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+    // USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+    const scalar r6 = 1.0/6.0;
+    const scalar r24 = 1.0/24.0;
+    const scalar r60 = 1.0/60.0;
+    const scalar r120 = 1.0/120.0;
+
+    // order:  1, x, y, z, x^2, y^2, z^2, xy, yz, zx
+    scalarField integrals(10, 0.0);
+
+    forAll(triFaces, i)
+    {
+        const triFace& tri(triFaces[i]);
+
+        // vertices of triangle i
+        vector v0 = pts[tri[0]];
+        vector v1 = pts[tri[1]];
+        vector v2 = pts[tri[2]];
+
+        // cross product of edges
+        vector eA = v1 - v0;
+        vector eB = v2 - v0;
+        vector n = eA ^ eB;
+
+        // compute integral terms
+        scalar tmp0, tmp1, tmp2;
+
+        scalar f1x, f2x, f3x, g0x, g1x, g2x;
+
+        tmp0 = v0.x() + v1.x();
+        f1x = tmp0 + v2.x();
+        tmp1 = v0.x()*v0.x();
+        tmp2 = tmp1 + v1.x()*tmp0;
+        f2x = tmp2 + v2.x()*f1x;
+        f3x = v0.x()*tmp1 + v1.x()*tmp2 + v2.x()*f2x;
+        g0x = f2x + v0.x()*(f1x + v0.x());
+        g1x = f2x + v1.x()*(f1x + v1.x());
+        g2x = f2x + v2.x()*(f1x + v2.x());
+
+        scalar f1y, f2y, f3y, g0y, g1y, g2y;
+
+        tmp0 = v0.y() + v1.y();
+        f1y = tmp0 + v2.y();
+        tmp1 = v0.y()*v0.y();
+        tmp2 = tmp1 + v1.y()*tmp0;
+        f2y = tmp2 + v2.y()*f1y;
+        f3y = v0.y()*tmp1 + v1.y()*tmp2 + v2.y()*f2y;
+        g0y = f2y + v0.y()*(f1y + v0.y());
+        g1y = f2y + v1.y()*(f1y + v1.y());
+        g2y = f2y + v2.y()*(f1y + v2.y());
+
+        scalar f1z, f2z, f3z, g0z, g1z, g2z;
+
+        tmp0 = v0.z() + v1.z();
+        f1z = tmp0 + v2.z();
+        tmp1 = v0.z()*v0.z();
+        tmp2 = tmp1 + v1.z()*tmp0;
+        f2z = tmp2 + v2.z()*f1z;
+        f3z = v0.z()*tmp1 + v1.z()*tmp2 + v2.z()*f2z;
+        g0z = f2z + v0.z()*(f1z + v0.z());
+        g1z = f2z + v1.z()*(f1z + v1.z());
+        g2z = f2z + v2.z()*(f1z + v2.z());
+
+        // update integrals
+        integrals[0] += n.x()*f1x;
+        integrals[1] += n.x()*f2x;
+        integrals[2] += n.y()*f2y;
+        integrals[3] += n.z()*f2z;
+        integrals[4] += n.x()*f3x;
+        integrals[5] += n.y()*f3y;
+        integrals[6] += n.z()*f3z;
+        integrals[7] += n.x()*(v0.y()*g0x + v1.y()*g1x + v2.y()*g2x);
+        integrals[8] += n.y()*(v0.z()*g0y + v1.z()*g1y + v2.z()*g2y);
+        integrals[9] += n.z()*(v0.x()*g0z + v1.x()*g1z + v2.x()*g2z);
+    }
+
+    integrals[0] *= r6;
+    integrals[1] *= r24;
+    integrals[2] *= r24;
+    integrals[3] *= r24;
+    integrals[4] *= r60;
+    integrals[5] *= r60;
+    integrals[6] *= r60;
+    integrals[7] *= r120;
+    integrals[8] *= r120;
+    integrals[9] *= r120;
+
+    // mass
+    mass = integrals[0];
+
+    // center of mass
+    cM = vector(integrals[1], integrals[2], integrals[3])/mass;
+
+    // inertia relative to origin
+    J.xx() = integrals[5] + integrals[6];
+    J.xy() = -integrals[7];
+    J.xz() = -integrals[9];
+    J.yx() = J.xy();
+    J.yy() = integrals[4] + integrals[6];
+    J.yz() = -integrals[8];
+    J.zx() = J.xz();
+    J.zy() = J.yz();
+    J.zz() = integrals[4] + integrals[5];
+
+    // inertia relative to center of mass
+    J -= mass*((cM & cM)*I - cM*cM);
+
+    // Apply density
+    mass *= density;
+    J *= density;
+}
+
+void massPropertiesShell
+(
+    const pointField& pts,
+    const triFaceList triFaces,
+    scalar density,
+    scalar& mass,
+    vector& cM,
+    tensor& J
+)
+{
+    // Reset properties for accumulation
+
+    mass = 0.0;
+    cM = vector::zero;
+    J = tensor::zero;
+
+    // Find centre of mass
+
+    forAll(triFaces, i)
+    {
+        const triFace& tri(triFaces[i]);
+
+        triPointRef t
+        (
+            pts[tri[0]],
+            pts[tri[1]],
+            pts[tri[2]]
+        );
+
+        scalar triMag = t.mag();
+
+        cM +=  triMag*t.centre();
+
+        mass += triMag;
+    }
+
+    cM /= mass;
+
+    mass *= density;
+
+    // Find inertia around centre of mass
+
+    forAll(triFaces, i)
+    {
+        const triFace& tri(triFaces[i]);
+
+        J += triPointRef
+        (
+            pts[tri[0]],
+            pts[tri[1]],
+            pts[tri[2]]
+        ).inertia(cM, density);
+    }
+}
+
+
+tensor applyParallelAxisTheorem
+(
+    scalar m,
+    const vector& cM,
+    const tensor& J,
+    const vector& refPt
+)
+{
+    // The displacement vector (refPt = cM) is the displacement of the
+    // new reference point from the centre of mass of the body that
+    // the inertia tensor applies to.
+
+    vector d = (refPt - cM);
+
+    return (J + m*((d & d)*I - d*d));
+}
+
+
+int main(int argc, char *argv[])
+{
+    argList::addNote
+    (
+        "Calculates the inertia tensor and principal axes and moments "
+        "of a command line specified triSurface.  Inertia can either "
+        "be of the solid body or of a thin shell."
+    );
+
+    argList::noParallel();
+
+    argList::validArgs.append("surface file");
+
+    argList::addBoolOption("shellProperties");
+
+    argList::addOption
+    (
+        "density",
+        "scalar",
+        "Specify density,"
+        "kg/m3 for solid properties, kg/m2 for shell properties"
+    );
+
+    argList::addOption
+    (
+        "referencePoint",
+        "vector",
+        "Inertia relative to this point, not the centre of mass"
+    );
+
+    argList args(argc, argv);
+
+    fileName surfFileName(args.additionalArgs()[0]);
+
+    triSurface surf(surfFileName);
+
+    scalar density = args.optionLookupOrDefault("density", 1.0);
+
+    vector refPt = vector::zero;
+
+    bool calcAroundRefPt = args.optionReadIfPresent("referencePoint", refPt);
+
+    triFaceList faces(surf.size());
+
+    forAll(surf, i)
+    {
+        faces[i] = triFace(surf[i]);
+    }
+
+    scalar m = 0.0;
+    vector cM = vector::zero;
+    tensor J = tensor::zero;
+
+    if (args.optionFound("shellProperties"))
+    {
+        massPropertiesShell
+        (
+            surf.points(),
+            faces,
+            density,
+            m,
+            cM,
+            J
+        );
+    }
+    else
+    {
+        massPropertiesSolid
+        (
+            surf.points(),
+            faces,
+            density,
+            m,
+            cM,
+            J
+        );
+    }
+
+    vector eVal = eigenValues(J);
+
+    tensor eVec = eigenVectors(J);
+
+    label pertI = 0;
+
+    Random rand(57373);
+
+    while ((magSqr(eVal) < VSMALL) && pertI < 10)
+    {
+        WarningIn(args.executable() + "::main")
+            << "No eigenValues found, shape may have symmetry, "
+            << "perturbing inertia tensor diagonal" << endl;
+
+        J.xx() *= 1.0 + SMALL*rand.scalar01();
+        J.yy() *= 1.0 + SMALL*rand.scalar01();
+        J.zz() *= 1.0 + SMALL*rand.scalar01();
+
+        eVal = eigenValues(J);
+
+        eVec = eigenVectors(J);
+
+        pertI++;
+    }
+
+    Info<< nl
+        << "Density = " << density << nl
+        << "Mass = " << m << nl
+        << "Centre of mass = " << cM << nl
+        << "Inertia tensor around centre of mass = " << J << nl
+        << "eigenValues (principal moments) = " << eVal << nl
+        << "eigenVectors (principal axes) = "
+        << eVec.x() <<  ' ' << eVec.y() << ' ' << eVec.z()
+        << endl;
+
+    if(calcAroundRefPt)
+    {
+        Info << "Inertia tensor relative to " << refPt << " = "
+            << applyParallelAxisTheorem(m, cM, J, refPt)
+            << endl;
+    }
+
+    OFstream str("axes.obj");
+
+    Info<< nl << "Writing scaled principal axes at centre of mass of "
+        << surfFileName <<  " to " << str.name() << endl;
+
+    scalar scale = mag(cM - surf.points()[0])/eVal.component(findMin(eVal));
+
+    meshTools::writeOBJ(str, cM);
+    meshTools::writeOBJ(str, cM + scale*eVal.x()*eVec.x());
+    meshTools::writeOBJ(str, cM + scale*eVal.y()*eVec.y());
+    meshTools::writeOBJ(str, cM + scale*eVal.z()*eVec.z());
+
+    for (label i = 1; i < 4; i++)
+    {
+        str << "l " << 1 << ' ' << i + 1 << endl;
+    }
+
+    Info<< nl << "End" << nl << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //

src/OpenFOAM/db/IOstreams/Fstreams/IFstream.C

@@ -78,17 +78,6 @@ Foam::IFstreamAllocator::~IFstreamAllocator()
 }
 
 
-std::istream& Foam::IFstreamAllocator::stdStream()
-{
-    if (!ifPtr_)
-    {
-        FatalErrorIn("IFstreamAllocator::stdStream()")
-            << "No stream allocated" << abort(FatalError);
-    }
-    return *ifPtr_;
-}
-
-
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
 Foam::IFstream::IFstream
@@ -143,6 +132,28 @@ Foam::IFstream::~IFstream()
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
+std::istream& Foam::IFstream::stdStream()
+{
+    if (!ifPtr_)
+    {
+        FatalErrorIn("IFstream::stdStream()")
+            << "No stream allocated" << abort(FatalError);
+    }
+    return *ifPtr_;
+}
+
+
+const std::istream& Foam::IFstream::stdStream() const
+{
+    if (!ifPtr_)
+    {
+        FatalErrorIn("IFstream::stdStream() const")
+            << "No stream allocated" << abort(FatalError);
+    }
+    return *ifPtr_;
+}
+
+
 void Foam::IFstream::print(Ostream& os) const
 {
     // Print File data

src/OpenFOAM/db/IOstreams/Fstreams/IFstream.H

@@ -74,14 +74,6 @@ class IFstreamAllocator
     // Destructor
 
         ~IFstreamAllocator();
-
-
-public:
-
-    // Member functions
-
-        //- Access to underlying std::istream (for e.g. lexer)
-        istream& stdStream();
 };
 
 
@@ -136,6 +128,16 @@ public:
                 return pathname_;
             }
 
+
+        // STL stream
+
+            //- Access to underlying std::istream
+            virtual istream& stdStream();
+
+            //- Const access to underlying std::istream
+            virtual const istream& stdStream() const;
+
+
         // Print
 
             //- Print description of IOstream to Ostream

src/OpenFOAM/db/IOstreams/Fstreams/OFstream.C

@@ -81,17 +81,6 @@ Foam::OFstreamAllocator::~OFstreamAllocator()
 }
 
 
-std::ostream& Foam::OFstreamAllocator::stdStream()
-{
-    if (!ofPtr_)
-    {
-        FatalErrorIn("OFstreamAllocator::stdStream()")
-            << "No stream allocated." << abort(FatalError);
-    }
-    return *ofPtr_;
-}
-
-
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
 Foam::OFstream::OFstream
@@ -131,7 +120,7 @@ Foam::OFstream::OFstream
 }
 
 
-// * * * * * * * * * * * * * * * * Destructors * * * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
 Foam::OFstream::~OFstream()
 {}
@@ -139,6 +128,28 @@ Foam::OFstream::~OFstream()
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
+std::ostream& Foam::OFstream::stdStream()
+{
+    if (!ofPtr_)
+    {
+        FatalErrorIn("OFstream::stdStream()")
+            << "No stream allocated." << abort(FatalError);
+    }
+    return *ofPtr_;
+}
+
+
+const std::ostream& Foam::OFstream::stdStream() const
+{
+    if (!ofPtr_)
+    {
+        FatalErrorIn("OFstreamAllocator::stdStream() const")
+            << "No stream allocated." << abort(FatalError);
+    }
+    return *ofPtr_;
+}
+
+
 void Foam::OFstream::print(Ostream& os) const
 {
     os  << "    OFstream: ";

src/OpenFOAM/db/IOstreams/Fstreams/OFstream.H

@@ -74,13 +74,6 @@ class OFstreamAllocator
 
         ~OFstreamAllocator();
 
-
-public:
-
-    // Member functions
-
-        //- Access to underlying std::ostream
-        ostream& stdStream();
 };
 
 
@@ -138,6 +131,15 @@ public:
             }
 
 
+        // STL stream
+
+            //- Access to underlying std::ostream
+            virtual ostream& stdStream();
+
+            //- Const access to underlying std::ostream
+            virtual const ostream& stdStream() const;
+
+
         // Print
 
             //- Print description of IOstream to Ostream
@@ -146,8 +148,8 @@ public:
 
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-// Global predefined null output stream
 
+//- Global predefined null output stream "/dev/null"
 extern OFstream Snull;
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

src/OpenFOAM/db/IOstreams/Sstreams/ISstream.C

@@ -551,7 +551,7 @@ Foam::Istream& Foam::ISstream::read(char* buf, std::streamsize count)
 
 Foam::Istream& Foam::ISstream::rewind()
 {
-    stream().rdbuf()->pubseekpos(0);
+    stdStream().rdbuf()->pubseekpos(0);
 
     return *this;
 }

src/OpenFOAM/db/IOstreams/Sstreams/ISstream.H

@@ -72,23 +72,6 @@ class ISstream
         void operator=(const ISstream&);
 
 
-protected:
-
-    // Protected member functions
-
-        //- Return the stream reference
-        istream& stream()
-        {
-            return is_;
-        }
-
-        //- Return the const stream reference
-        const istream& stream() const
-        {
-            return is_;
-        }
-
-
 public:
 
     // Constructors
@@ -185,6 +168,21 @@ public:
             virtual ios_base::fmtflags flags(const ios_base::fmtflags flags);
 
 
+        // STL stream
+
+            //- Access to underlying std::istream
+            virtual istream& stdStream()
+            {
+                return is_;
+            }
+
+            //- Const access to underlying std::istream
+            virtual const istream& stdStream() const
+            {
+                return is_;
+            }
+
+
         // Print
 
             //- Print description of IOstream to Ostream

src/OpenFOAM/db/IOstreams/Sstreams/OSstream.H

@@ -67,21 +67,6 @@ class OSstream
         void operator=(const OSstream&);
 
 
-protected:
-
-        //- Return the stream reference
-        ostream& stream()
-        {
-            return os_;
-        }
-
-        //- Return the const stream reference
-        const ostream& stream() const
-        {
-            return os_;
-        }
-
-
 public:
 
     // Constructors
@@ -187,6 +172,21 @@ public:
             virtual int precision(const int);
 
 
+        // STL stream
+
+            //- Access to underlying std::ostream
+            virtual ostream& stdStream()
+            {
+                return os_;
+            }
+
+            //- Const access to underlying std::ostream
+            virtual const ostream& stdStream() const
+            {
+                return os_;
+            }
+
+
         // Print
 
             //- Print description of IOstream to Ostream

src/OpenFOAM/db/IOstreams/StringStreams/IStringStream.H

@@ -97,7 +97,7 @@ public:
 
         ~IStringStream()
         {
-            delete &dynamic_cast<std::istringstream&>(stream());
+            delete &dynamic_cast<std::istringstream&>(stdStream());
         }
 
 
@@ -108,7 +108,10 @@ public:
             //- Return the string
             string str() const
             {
-                return dynamic_cast<const std::istringstream&>(stream()).str();
+                return dynamic_cast<const std::istringstream&>
+                (
+                    stdStream()
+                ).str();
             }
 
 

src/OpenFOAM/db/IOstreams/StringStreams/OStringStream.H

@@ -83,7 +83,7 @@ public:
                     (
                         dynamic_cast<const std::ostringstream&>
                         (
-                            oss.stream()
+                            oss.stdStream()
                         ).str()
                     )
                 ),
@@ -98,7 +98,7 @@ public:
 
         ~OStringStream()
         {
-            delete &dynamic_cast<std::ostringstream&>(stream());
+            delete &dynamic_cast<std::ostringstream&>(stdStream());
         }
 
 
@@ -109,7 +109,10 @@ public:
             //- Return the string
             string str() const
             {
-                return dynamic_cast<const std::ostringstream&>(stream()).str();
+                return dynamic_cast<const std::ostringstream&>
+                (
+                    stdStream()
+                ).str();
             }
 
 
@@ -119,9 +122,9 @@ public:
             void rewind()
             {
 #               if __GNUC__ < 4 && __GNUC_MINOR__ < 4
-                stream().rdbuf()->pubsetbuf(" ", 1);
+                stdStream().rdbuf()->pubsetbuf(" ", 1);
 #               else
-                stream().rdbuf()->pubseekpos(0);
+                stdStream().rdbuf()->pubseekpos(0);
 #               endif
             }
 

src/OpenFOAM/db/IOstreams/hashes/OSHA1stream.H

@@ -170,7 +170,7 @@ public:
 
         ~OSHA1stream()
         {
-            delete &dynamic_cast<osha1stream&>(stream());
+            delete &dynamic_cast<osha1stream&>(stdStream());
         }
 
 
@@ -181,7 +181,7 @@ public:
         //- Full access to the sha1
         Foam::SHA1& sha1()
         {
-            return dynamic_cast<osha1stream&>(stream()).sha1();
+            return dynamic_cast<osha1stream&>(stdStream()).sha1();
         }
 
         //- Return SHA1::Digest for the data processed until now

src/conversion/ensight/file/ensightFile.C

@@ -91,7 +91,7 @@ Foam::Ostream& Foam::ensightFile::write
     std::streamsize count
 )
 {
-    stream().write(buf, count);
+    stdStream().write(buf, count);
     return *this;
 }
 
@@ -126,7 +126,7 @@ Foam::Ostream& Foam::ensightFile::write(const string& value)
     }
     else
     {
-        stream() << buf;
+        stdStream() << buf;
     }
 
     return *this;
@@ -147,8 +147,8 @@ Foam::Ostream& Foam::ensightFile::write(const label value)
     }
     else
     {
-        stream().width(10);
+        stdStream().width(10);
-        stream() << value;
+        stdStream() << value;
     }
 
     return *this;
@@ -173,8 +173,8 @@ Foam::Ostream& Foam::ensightFile::write
     }
     else
     {
-        stream().width(fieldWidth);
+        stdStream().width(fieldWidth);
-        stream() << value;
+        stdStream() << value;
     }
 
     return *this;
@@ -195,8 +195,8 @@ Foam::Ostream& Foam::ensightFile::write(const scalar value)
     }
     else
     {
-        stream().width(12);
+        stdStream().width(12);
-        stream() << value;
+        stdStream() << value;
     }
 
     return *this;
@@ -207,7 +207,7 @@ void Foam::ensightFile::newline()
 {
     if (format() == IOstream::ASCII)
     {
-        stream() << nl;
+        stdStream() << nl;
     }
 }