本文整理汇总了C++中QStack::resize方法的典型用法代码示例。如果您正苦于以下问题:C++ QStack::resize方法的具体用法?C++ QStack::resize怎么用?C++ QStack::resize使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QStack
的用法示例。
在下文中一共展示了QStack::resize方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: loadSettings
void PlotZoomer::loadSettings(QSettings &settings)
{
settings.beginGroup("zoom");
int zoomMode = settings.value("mode", int(PlotZoomer::ZoomBoth)).toInt();
setZoomMode(PlotZoomer::ZoomMode(zoomMode));
int zoomIndex = settings.value("index", -1).toInt();
int stackSize = settings.beginReadArray("stack");
QStack<QRectF> stack;
stack.resize(stackSize);
for (int i = 0; i < stackSize; ++i)
{
settings.setArrayIndex(i);
read(settings, stack[i]);
}
settings.endArray();
setZoomStack(stack, zoomIndex);
if (stackSize <= 1)
{
zoomToFit(true);
}
settings.endGroup();
}
示例2: read
bool QMakeParser::read(ProFile *pro, const QString &in, int line, SubGrammar grammar)
{
m_proFile = pro;
m_lineNo = line;
// Final precompiled token stream buffer
QString tokBuff;
// Worst-case size calculations:
// - line marker adds 1 (2-nl) to 1st token of each line
// - empty assignment "A=":2 =>
// TokHashLiteral(1) + hash(2) + len(1) + "A"(1) + TokAssign(1) + 0(1) +
// TokValueTerminator(1) == 8 (9)
// - non-empty assignment "A=B C":5 =>
// TokHashLiteral(1) + hash(2) + len(1) + "A"(1) + TokAssign(1) + 2(1) +
// TokLiteral(1) + len(1) + "B"(1) +
// TokLiteral(1) + len(1) + "C"(1) + TokValueTerminator(1) == 14 (15)
// - variable expansion: "$$f":3 =>
// TokVariable(1) + hash(2) + len(1) + "f"(1) = 5
// - function expansion: "$$f()":5 =>
// TokFuncName(1) + hash(2) + len(1) + "f"(1) + TokFuncTerminator(1) = 6
// - scope: "X:":2 =>
// TokHashLiteral(1) + hash(2) + len(1) + "A"(1) + TokCondition(1) +
// TokBranch(1) + len(2) + ... + len(2) + ... == 10
// - test: "X():":4 =>
// TokHashLiteral(1) + hash(2) + len(1) + "A"(1) + TokTestCall(1) + TokFuncTerminator(1) +
// TokBranch(1) + len(2) + ... + len(2) + ... == 11
// - "for(A,B):":9 =>
// TokForLoop(1) + hash(2) + len(1) + "A"(1) +
// len(2) + TokLiteral(1) + len(1) + "B"(1) + TokValueTerminator(1) +
// len(2) + ... + TokTerminator(1) == 14 (15)
tokBuff.reserve((in.size() + 1) * 5);
ushort *tokPtr = (ushort *)tokBuff.constData(); // Current writing position
// Expression precompiler buffer.
QString xprBuff;
xprBuff.reserve(tokBuff.capacity()); // Excessive, but simple
ushort *buf = (ushort *)xprBuff.constData();
// Parser state
m_blockstack.clear();
m_blockstack.resize(1);
QStack<ParseCtx> xprStack;
xprStack.reserve(10);
// We rely on QStrings being null-terminated, so don't maintain a global end pointer.
const ushort *cur = (const ushort *)in.unicode();
m_canElse = false;
freshLine:
m_state = StNew;
m_invert = false;
m_operator = NoOperator;
m_markLine = m_lineNo;
m_inError = false;
int parens = 0; // Braces in value context
int argc = 0;
int wordCount = 0; // Number of words in currently accumulated expression
int lastIndent = 0; // Previous line's indentation, to detect accidental continuation abuse
bool lineMarked = true; // For in-expression markers
ushort needSep = TokNewStr; // Met unquoted whitespace
ushort quote = 0;
ushort term = 0;
Context context;
ushort *ptr;
if (grammar == ValueGrammar) {
context = CtxPureValue;
ptr = tokPtr + 2;
} else {
context = CtxTest;
ptr = buf + 4;
}
ushort *xprPtr = ptr;
#define FLUSH_LHS_LITERAL() \
do { \
if ((tlen = ptr - xprPtr)) { \
finalizeHashStr(xprPtr, tlen); \
if (needSep) { \
wordCount++; \
needSep = 0; \
} \
} else { \
ptr -= 4; \
} \
} while (0)
#define FLUSH_RHS_LITERAL() \
do { \
if ((tlen = ptr - xprPtr)) { \
xprPtr[-2] = TokLiteral | needSep; \
xprPtr[-1] = tlen; \
if (needSep) { \
wordCount++; \
needSep = 0; \
} \
} else { \
ptr -= 2; \
} \
} while (0)
//.........这里部分代码省略.........