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Kaydet (Commit) 5fa44620 authored tarafından Caolán McNamara's avatar Caolán McNamara
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ofz#7861 fuzzer ooms 

too many frequent tiny allocations in a short time span I believe

Change-Id: Iaccae6db7d18c9cd2f909f94dbe81a7dc6458bc2
Reviewed-on: https://gerrit.libreoffice.org/53589Tested-by: 's avatarJenkins <ci@libreoffice.org>
Reviewed-by: 's avatarCaolán McNamara <caolanm@redhat.com>
Tested-by: 's avatarCaolán McNamara <caolanm@redhat.com>
üst af1c5b95
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Showing with 151 additions and 151 deletions
starmath/inc/node.hxx
Dosyayı görüntüle @ 5fa44620
......@@ -162,7 +162,7 @@ public:
void Move(const Point &rPosition);
void MoveTo(const Point &rPosition) { Move(rPosition - GetTopLeft()); }
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) = 0;
virtual void CreateTextFromNode(OUString &rText);
virtual void CreateTextFromNode(OUStringBuffer &rText);
virtual void GetAccessibleText( OUStringBuffer &rText ) const = 0;
sal_Int32 GetAccessibleIndex() const { return mnAccIndex; }
......@@ -333,7 +333,7 @@ public:
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) override;
void CreateTextFromNode(OUString &rText) override;
void CreateTextFromNode(OUStringBuffer &rText) override;
void Accept(SmVisitor* pVisitor) override;
};
......@@ -414,7 +414,7 @@ public:
virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth) override;
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) override;
virtual void CreateTextFromNode(OUString &rText) override;
virtual void CreateTextFromNode(OUStringBuffer &rText) override;
virtual void GetAccessibleText( OUStringBuffer &rText ) const override;
void Accept(SmVisitor* pVisitor) override;
......@@ -494,7 +494,7 @@ public:
virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth) override;
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) override;
void CreateTextFromNode(OUString &rText) override;
void CreateTextFromNode(OUStringBuffer &rText) override;
void Accept(SmVisitor* pVisitor) override;
};
......@@ -651,7 +651,7 @@ public:
{}
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) override;
void CreateTextFromNode(OUString &rText) override;
void CreateTextFromNode(OUStringBuffer &rText) override;
void Accept(SmVisitor* pVisitor) override;
};
......@@ -693,7 +693,7 @@ public:
}
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) override;
void CreateTextFromNode(OUString &rText) override;
void CreateTextFromNode(OUStringBuffer &rText) override;
void Accept(SmVisitor* pVisitor) override;
SmNode* Argument();
......@@ -759,7 +759,7 @@ public:
virtual const SmNode * GetLeftMost() const override;
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) override;
void CreateTextFromNode(OUString &rText) override;
void CreateTextFromNode(OUStringBuffer &rText) override;
void Accept(SmVisitor* pVisitor) override;
};
......@@ -869,7 +869,7 @@ public:
void SetSubSup(SmSubSup eSubSup, SmNode* pScript) { SetSubNode( 1 + eSubSup, pScript); }
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) override;
void CreateTextFromNode(OUString &rText) override;
void CreateTextFromNode(OUStringBuffer &rText) override;
void Accept(SmVisitor* pVisitor) override;
};
......@@ -904,7 +904,7 @@ public:
const SmMathSymbolNode* ClosingBrace() const;
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) override;
void CreateTextFromNode(OUString &rText) override;
void CreateTextFromNode(OUStringBuffer &rText) override;
void Accept(SmVisitor* pVisitor) override;
};
......@@ -1035,7 +1035,7 @@ public:
{}
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) override;
void CreateTextFromNode(OUString &rText) override;
void CreateTextFromNode(OUStringBuffer &rText) override;
void Accept(SmVisitor* pVisitor) override;
SmNode* Attribute();
......@@ -1068,7 +1068,7 @@ public:
virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth) override;
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) override;
void CreateTextFromNode(OUString &rText) override;
void CreateTextFromNode(OUStringBuffer &rText) override;
void Accept(SmVisitor* pVisitor) override;
};
......@@ -1098,7 +1098,7 @@ public:
virtual const SmNode * GetLeftMost() const override;
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) override;
void CreateTextFromNode(OUString &rText) override;
void CreateTextFromNode(OUStringBuffer &rText) override;
void Accept(SmVisitor* pVisitor) override;
};
......@@ -1126,7 +1126,7 @@ public:
virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth) override;
virtual void Arrange(OutputDevice &rDev, const SmFormat &rFormat) override;
void Accept(SmVisitor* pVisitor) override;
virtual void CreateTextFromNode(OUString &rText) override;
virtual void CreateTextFromNode(OUStringBuffer &rText) override;
};
......
starmath/source/mathmlimport.cxx
Dosyayı görüntüle @ 5fa44620
......@@ -515,9 +515,11 @@ void SmXMLImport::endDocument()
pDocShell->SetFormulaTree(static_cast<SmTableNode *>(pTree));
if (aText.isEmpty()) //If we picked up no annotation text
{
OUStringBuffer aStrBuf;
// Get text from imported formula
pTree->CreateTextFromNode(aText);
aText = comphelper::string::stripEnd(aText, ' ');
pTree->CreateTextFromNode(aStrBuf);
aStrBuf.stripEnd(' ');
aText = aStrBuf.makeStringAndClear();
}
// Convert symbol names
......
starmath/source/node.cxx
Dosyayı görüntüle @ 5fa44620
......@@ -251,16 +251,16 @@ void SmNode::Move(const Point& rPosition)
ForEachNonNull(this, [&rPosition](SmNode *pNode){pNode->Move(rPosition);});
}
void SmNode::CreateTextFromNode(OUString &rText)
void SmNode::CreateTextFromNode(OUStringBuffer &rText)
{
auto nSize = GetNumSubNodes();
if (nSize > 1)
rText += "{";
rText.append("{");
ForEachNonNull(this, [&rText](SmNode *pNode){pNode->CreateTextFromNode(rText);});
if (nSize > 1)
{
rText = comphelper::string::stripEnd(rText, ' ');
rText += "} ";
rText.stripEnd(' ');
rText.append("} ");
}
}
......@@ -454,11 +454,11 @@ void SmGraphicNode::GetAccessibleText( OUStringBuffer &rText ) const
rText.append(GetToken().aText);
}
void SmExpressionNode::CreateTextFromNode(OUString &rText)
void SmExpressionNode::CreateTextFromNode(OUStringBuffer &rText)
{
size_t nSize = GetNumSubNodes();
if (nSize > 1)
rText += "{";
rText.append("{");
for (size_t i = 0; i < nSize; ++i)
{
SmNode *pNode = GetSubNode(i);
......@@ -467,16 +467,16 @@ void SmExpressionNode::CreateTextFromNode(OUString &rText)
pNode->CreateTextFromNode(rText);
//Just a bit of foo to make unary +asd -asd +-asd -+asd look nice
if (pNode->GetType() == SmNodeType::Math)
if ((nSize != 2) ||
( !rText.endsWith("+") && !rText.endsWith("-") ))
rText += " ";
if ((nSize != 2) || rText.isEmpty() ||
(rText[rText.getLength() - 1] != '+' && rText[rText.getLength() - 1] != '-') )
rText.append(" ");
}
}
if (nSize > 1)
{
rText = comphelper::string::stripEnd(rText, ' ');
rText += "} ";
rText.stripEnd(' ');
rText.append("} ");
}
}
......@@ -754,24 +754,24 @@ void SmRootNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
}
void SmRootNode::CreateTextFromNode(OUString &rText)
void SmRootNode::CreateTextFromNode(OUStringBuffer &rText)
{
SmNode *pExtra = GetSubNode(0);
if (pExtra)
{
rText += "nroot ";
rText.append("nroot ");
pExtra->CreateTextFromNode(rText);
}
else
rText += "sqrt ";
rText.append("sqrt ");
if (!pExtra && GetSubNode(2)->GetNumSubNodes() > 1)
rText += "{ ";
rText.append("{ ");
GetSubNode(2)->CreateTextFromNode(rText);
if (!pExtra && GetSubNode(2)->GetNumSubNodes() > 1)
rText += "} ";
rText.append("} ");
}
/**************************************************************************/
......@@ -873,16 +873,15 @@ void SmBinVerNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
ExtendBy(*pDenom, RectCopyMBL::None).ExtendBy(*pLine, RectCopyMBL::None, pLine->GetCenterY());
}
void SmBinVerNode::CreateTextFromNode(OUString &rText)
void SmBinVerNode::CreateTextFromNode(OUStringBuffer &rText)
{
SmNode *pNum = GetSubNode(0),
*pDenom = GetSubNode(2);
pNum->CreateTextFromNode(rText);
rText += "over ";
rText.append("over ");
pDenom->CreateTextFromNode(rText);
}
const SmNode * SmBinVerNode::GetLeftMost() const
{
return this;
......@@ -1250,41 +1249,41 @@ void SmSubSupNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
}
}
void SmSubSupNode::CreateTextFromNode(OUString &rText)
void SmSubSupNode::CreateTextFromNode(OUStringBuffer &rText)
{
SmNode *pNode;
GetSubNode(0)->CreateTextFromNode(rText);
if (nullptr != (pNode = GetSubNode(LSUB+1)))
{
rText += "lsub ";
rText.append("lsub ");
pNode->CreateTextFromNode(rText);
}
if (nullptr != (pNode = GetSubNode(LSUP+1)))
{
rText += "lsup ";
rText.append("lsup ");
pNode->CreateTextFromNode(rText);
}
if (nullptr != (pNode = GetSubNode(CSUB+1)))
{
rText += "csub ";
rText.append("csub ");
pNode->CreateTextFromNode(rText);
}
if (nullptr != (pNode = GetSubNode(CSUP+1)))
{
rText += "csup ";
rText.append("csup ");
pNode->CreateTextFromNode(rText);
}
if (nullptr != (pNode = GetSubNode(RSUB+1)))
{
rText = comphelper::string::stripEnd(rText, ' ');
rText += "_";
rText.stripEnd(' ');
rText.append("_");
pNode->CreateTextFromNode(rText);
}
if (nullptr != (pNode = GetSubNode(RSUP+1)))
{
rText = comphelper::string::stripEnd(rText, ' ');
rText += "^";
rText.stripEnd(' ');
rText.append("^");
pNode->CreateTextFromNode(rText);
}
}
......@@ -1292,55 +1291,56 @@ void SmSubSupNode::CreateTextFromNode(OUString &rText)
/**************************************************************************/
void SmBraceNode::CreateTextFromNode(OUString &rText)
void SmBraceNode::CreateTextFromNode(OUStringBuffer &rText)
{
if (GetScaleMode() == SmScaleMode::Height)
rText += "left ";
rText.append("left ");
{
OUString aStr;
OpeningBrace()->CreateTextFromNode(aStr);
OUStringBuffer aStrBuf;
OpeningBrace()->CreateTextFromNode(aStrBuf);
OUString aStr = aStrBuf.makeStringAndClear();
aStr = comphelper::string::strip(aStr, ' ');
aStr = comphelper::string::stripStart(aStr, '\\');
if (!aStr.isEmpty())
{
if (aStr == "divides")
rText += "lline";
rText.append("lline");
else if (aStr == "parallel")
rText += "ldline";
rText.append("ldline");
else if (aStr == "<")
rText += "langle";
rText.append("langle");
else
rText += aStr;
rText += " ";
rText.append(aStr);
rText.append(" ");
}
else
rText += "none ";
rText.append("none ");
}
Body()->CreateTextFromNode(rText);
if (GetScaleMode() == SmScaleMode::Height)
rText += "right ";
rText.append("right ");
{
OUString aStr;
ClosingBrace()->CreateTextFromNode(aStr);
OUStringBuffer aStrBuf;
ClosingBrace()->CreateTextFromNode(aStrBuf);
OUString aStr = aStrBuf.makeStringAndClear();
aStr = comphelper::string::strip(aStr, ' ');
aStr = comphelper::string::stripStart(aStr, '\\');
if (!aStr.isEmpty())
{
if (aStr == "divides")
rText += "rline";
rText.append("rline");
else if (aStr == "parallel")
rText += "rdline";
rText.append("rdline");
else if (aStr == ">")
rText += "rangle";
rText.append("rangle");
else
rText += aStr;
rText += " ";
rText.append(aStr);
rText.append(" ");
}
else
rText += "none ";
rText.append("none ");
}
rText += " ";
rText.append(" ");
}
void SmBraceNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
......@@ -1709,126 +1709,126 @@ void SmAttributNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
ExtendBy(*pAttr, RectCopyMBL::This, true);
}
void SmFontNode::CreateTextFromNode(OUString &rText)
void SmFontNode::CreateTextFromNode(OUStringBuffer &rText)
{
rText += "{";
rText.append("{");
switch (GetToken().eType)
{
case TBOLD:
rText += "bold ";
rText.append("bold ");
break;
case TNBOLD:
rText += "nbold ";
rText.append("nbold ");
break;
case TITALIC:
rText += "italic ";
rText.append("italic ");
break;
case TNITALIC:
rText += "nitalic ";
rText.append("nitalic ");
break;
case TPHANTOM:
rText += "phantom ";
rText.append("phantom ");
break;
case TSIZE:
{
rText += "size ";
rText.append("size ");
switch (meSizeType)
{
case FontSizeType::PLUS:
rText += "+";
rText.append("+");
break;
case FontSizeType::MINUS:
rText += "-";
rText.append("-");
break;
case FontSizeType::MULTIPLY:
rText += "*";
rText.append("*");
break;
case FontSizeType::DIVIDE:
rText += "/";
rText.append("/");
break;
case FontSizeType::ABSOLUT:
default:
break;
}
rText += ::rtl::math::doubleToUString(
rText.append(::rtl::math::doubleToUString(
static_cast<double>(maFontSize),
rtl_math_StringFormat_Automatic,
rtl_math_DecimalPlaces_Max, '.', true);
rText += " ";
rtl_math_DecimalPlaces_Max, '.', true));
rText.append(" ");
}
break;
case TBLACK:
rText += "color black ";
rText.append("color black ");
break;
case TWHITE:
rText += "color white ";
rText.append("color white ");
break;
case TRED:
rText += "color red ";
rText.append("color red ");
break;
case TGREEN:
rText += "color green ";
rText.append("color green ");
break;
case TBLUE:
rText += "color blue ";
rText.append("color blue ");
break;
case TCYAN:
rText += "color cyan ";
rText.append("color cyan ");
break;
case TMAGENTA:
rText += "color magenta ";
rText.append("color magenta ");
break;
case TYELLOW:
rText += "color yellow ";
rText.append("color yellow ");
break;
case TTEAL:
rText += "color teal ";
rText.append("color teal ");
break;
case TSILVER:
rText += "color silver ";
rText.append("color silver ");
break;
case TGRAY:
rText += "color gray ";
rText.append("color gray ");
break;
case TMAROON:
rText += "color maroon ";
rText.append("color maroon ");
break;
case TPURPLE:
rText += "color purple ";
rText.append("color purple ");
break;
case TLIME:
rText += "color lime ";
rText.append("color lime ");
break;
case TOLIVE:
rText += "color olive ";
rText.append("color olive ");
break;
case TNAVY:
rText += "color navy ";
rText.append("color navy ");
break;
case TAQUA:
rText += "color aqua ";
rText.append("color aqua ");
break;
case TFUCHSIA:
rText += "color fuchsia ";
rText.append("color fuchsia ");
break;
case TSANS:
rText += "font sans ";
rText.append("font sans ");
break;
case TSERIF:
rText += "font serif ";
rText.append("font serif ");
break;
case TFIXED:
rText += "font fixed ";
rText.append("font fixed ");
break;
default:
break;
}
if(GetNumSubNodes() > 1)
if (GetNumSubNodes() > 1)
GetSubNode(1)->CreateTextFromNode(rText);
rText = comphelper::string::stripEnd(rText, ' ');
rText += "} ";
rText.stripEnd(' ');
rText.append("} ");
}
void SmFontNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell, int nDepth)
......@@ -2091,12 +2091,12 @@ void SmTextNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
SmRect::operator = (SmRect(aTmpDev, &rFormat, maText, GetFont().GetBorderWidth()));
}
void SmTextNode::CreateTextFromNode(OUString &rText)
void SmTextNode::CreateTextFromNode(OUStringBuffer &rText)
{
bool bQuoted=false;
if (GetToken().eType == TTEXT)
{
rText += "\"";
rText.append("\"");
bQuoted=true;
}
else
......@@ -2120,24 +2120,23 @@ void SmTextNode::CreateTextFromNode(OUString &rText)
if ((GetToken().eType == TIDENT) && (GetFontDesc() == FNT_FUNCTION))
{
//Search for existing functions and remove extraneous keyword
rText += "func ";
rText.append("func ");
}
else if (bQuoted)
rText += "italic ";
rText.append("italic ");
if (bQuoted)
rText += "\"";
rText.append("\"");
}
rText += GetToken().aText;
rText.append(GetToken().aText);
if (bQuoted)
rText += "\"";
rText += " ";
rText.append("\"");
rText.append(" ");
}
void SmTextNode::GetAccessibleText( OUStringBuffer &rText ) const
{
rText.append(maText);
......@@ -2209,9 +2208,9 @@ sal_Unicode SmTextNode::ConvertSymbolToUnicode(sal_Unicode nIn)
/**************************************************************************/
void SmMatrixNode::CreateTextFromNode(OUString &rText)
void SmMatrixNode::CreateTextFromNode(OUStringBuffer &rText)
{
rText += "matrix {";
rText.append("matrix {");
for (size_t i = 0; i < mnNumRows; ++i)
{
for (size_t j = 0; j < mnNumCols; ++j)
......@@ -2220,16 +2219,15 @@ void SmMatrixNode::CreateTextFromNode(OUString &rText)
if (pNode)
pNode->CreateTextFromNode(rText);
if (j != mnNumCols - 1U)
rText += "# ";
rText.append("# ");
}
if (i != mnNumRows - 1U)
rText += "## ";
rText.append("## ");
}
rText = comphelper::string::stripEnd(rText, ' ');
rText += "} ";
rText.stripEnd(' ');
rText.append("} ");
}
void SmMatrixNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
{
SmNode *pNode;
......@@ -2447,7 +2445,7 @@ void SmMathSymbolNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
SmRect::operator = (SmRect(aTmpDev, &rFormat, rText, GetFont().GetBorderWidth()));
}
void SmMathSymbolNode::CreateTextFromNode(OUString &rText)
void SmMathSymbolNode::CreateTextFromNode(OUStringBuffer &rText)
{
OUString sStr;
sal_Unicode cChar = GetToken().cMathChar;
......@@ -2455,99 +2453,99 @@ void SmMathSymbolNode::CreateTextFromNode(OUString &rText)
sStr = "intd ";
else
MathType::LookupChar(cChar, sStr, 3);
rText += sStr;
rText.append(sStr);
}
void SmRectangleNode::CreateTextFromNode(OUString &rText)
void SmRectangleNode::CreateTextFromNode(OUStringBuffer &rText)
{
switch (GetToken().eType)
{
case TUNDERLINE:
rText += "underline ";
rText.append("underline ");
break;
case TOVERLINE:
rText += "overline ";
rText.append("overline ");
break;
case TOVERSTRIKE:
rText += "overstrike ";
rText.append("overstrike ");
break;
default:
break;
}
}
void SmAttributNode::CreateTextFromNode(OUString &rText)
void SmAttributNode::CreateTextFromNode(OUStringBuffer &rText)
{
SmNode *pNode;
assert(GetNumSubNodes() == 2);
rText += "{";
rText.append("{");
sal_Unicode nLast=0;
if (nullptr != (pNode = Attribute()))
{
OUString aStr;
OUStringBuffer aStr;
pNode->CreateTextFromNode(aStr);
if (aStr.getLength() > 1)
rText += aStr;
rText.append(aStr);
else
{
nLast = aStr[0];
switch (nLast)
{
case MS_BAR: // MACRON
rText += "overline ";
rText.append("overline ");
break;
case MS_DOT: // DOT ABOVE
rText += "dot ";
rText.append("dot ");
break;
case 0x2dc: // SMALL TILDE
rText += "widetilde ";
rText.append("widetilde ");
break;
case MS_DDOT: // DIAERESIS
rText += "ddot ";
rText.append("ddot ");
break;
case 0xE082:
break;
case 0xE09B:
case MS_DDDOT: // COMBINING THREE DOTS ABOVE
rText += "dddot ";
rText.append("dddot ");
break;
case MS_ACUTE: // ACUTE ACCENT
case MS_COMBACUTE: // COMBINING ACUTE ACCENT
rText += "acute ";
rText.append("acute ");
break;
case MS_GRAVE: // GRAVE ACCENT
case MS_COMBGRAVE: // COMBINING GRAVE ACCENT
rText += "grave ";
rText.append("grave ");
break;
case MS_CHECK: // CARON
case MS_COMBCHECK: // COMBINING CARON
rText += "check ";
rText.append("check ");
break;
case MS_BREVE: // BREVE
case MS_COMBBREVE: // COMBINING BREVE
rText += "breve ";
rText.append("breve ");
break;
case MS_CIRCLE: // RING ABOVE
case MS_COMBCIRCLE: // COMBINING RING ABOVE
rText += "circle ";
rText.append("circle ");
break;
case MS_RIGHTARROW: // RIGHTWARDS ARROW
case MS_VEC: // COMBINING RIGHT ARROW ABOVE
rText += "vec ";
rText.append("vec ");
break;
case MS_TILDE: // TILDE
case MS_COMBTILDE: // COMBINING TILDE
rText += "tilde ";
rText.append("tilde ");
break;
case MS_HAT: // CIRCUMFLEX ACCENT
case MS_COMBHAT: // COMBINING CIRCUMFLEX ACCENT
rText += "hat ";
rText.append("hat ");
break;
case MS_COMBBAR: // COMBINING MACRON
rText += "bar ";
rText.append("bar ");
break;
default:
rText += OUStringLiteral1( nLast );
rText.append(OUStringLiteral1(nLast));
break;
}
}
......@@ -2556,12 +2554,12 @@ void SmAttributNode::CreateTextFromNode(OUString &rText)
if (nullptr != (pNode = Body()))
pNode->CreateTextFromNode(rText);
rText = comphelper::string::stripEnd(rText, ' ');
rText.stripEnd(' ');
if (nLast == 0xE082)
rText += " overbrace {}";
rText.append(" overbrace {}");
rText += "} ";
rText.append("} ");
}
/**************************************************************************/
......@@ -2777,17 +2775,17 @@ void SmBlankNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
SetWidth(nSpace);
}
void SmBlankNode::CreateTextFromNode(OUString &rText)
void SmBlankNode::CreateTextFromNode(OUStringBuffer &rText)
{
if (mnNum <= 0)
return;
sal_uInt16 nWide = mnNum / 4;
sal_uInt16 nNarrow = mnNum % 4;
for (sal_uInt16 i = 0; i < nWide; i++)
rText += "~";
rText.append("~");
for (sal_uInt16 i = 0; i < nNarrow; i++)
rText += "`";
rText += " ";
rText.append("`");
rText.append(" ");
}
......
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