Commit 5a33c75b981253dad559f2b1a4448087ac7fa780
Committed by
m-holger
1 parent
bcf56e53
Add QPDFObjectHandle::operator bool
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2 changed files
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20 additions
and
0 deletions
include/qpdf/QPDFObjectHandle.hh
| @@ -295,6 +295,11 @@ class QPDFObjectHandle | @@ -295,6 +295,11 @@ class QPDFObjectHandle | ||
| 295 | QPDF_DLL | 295 | QPDF_DLL |
| 296 | QPDFObjectHandle& operator=(QPDFObjectHandle const&) = default; | 296 | QPDFObjectHandle& operator=(QPDFObjectHandle const&) = default; |
| 297 | 297 | ||
| 298 | + // Return true if the QPDFObjectHandle is initialized. This allows object handles to be used in | ||
| 299 | + // if statements with initializer. | ||
| 300 | + QPDF_DLL | ||
| 301 | + explicit inline operator bool() const noexcept; | ||
| 302 | + | ||
| 298 | QPDF_DLL | 303 | QPDF_DLL |
| 299 | inline bool isInitialized() const; | 304 | inline bool isInitialized() const; |
| 300 | 305 | ||
| @@ -1634,5 +1639,10 @@ QPDFObjectHandle::isInitialized() const | @@ -1634,5 +1639,10 @@ QPDFObjectHandle::isInitialized() const | ||
| 1634 | return obj != nullptr; | 1639 | return obj != nullptr; |
| 1635 | } | 1640 | } |
| 1636 | 1641 | ||
| 1642 | +inline QPDFObjectHandle::operator bool() const noexcept | ||
| 1643 | +{ | ||
| 1644 | + return static_cast<bool>(obj); | ||
| 1645 | +} | ||
| 1646 | + | ||
| 1637 | #endif // QPDF_FUTURE | 1647 | #endif // QPDF_FUTURE |
| 1638 | #endif // QPDFOBJECTHANDLE_HH | 1648 | #endif // QPDFOBJECTHANDLE_HH |
include/qpdf/QPDFObjectHandle_future.hh
| @@ -295,6 +295,11 @@ class QPDFObjectHandle | @@ -295,6 +295,11 @@ class QPDFObjectHandle | ||
| 295 | QPDF_DLL | 295 | QPDF_DLL |
| 296 | QPDFObjectHandle& operator=(QPDFObjectHandle&&) = default; | 296 | QPDFObjectHandle& operator=(QPDFObjectHandle&&) = default; |
| 297 | 297 | ||
| 298 | + // Return true if the QPDFObjectHandle is initialized. This allows object handles to be used in | ||
| 299 | + // if statements with initializer. | ||
| 300 | + QPDF_DLL | ||
| 301 | + explicit inline operator bool() const noexcept; | ||
| 302 | + | ||
| 298 | QPDF_DLL | 303 | QPDF_DLL |
| 299 | inline bool isInitialized() const noexcept; | 304 | inline bool isInitialized() const noexcept; |
| 300 | 305 | ||
| @@ -1634,4 +1639,9 @@ QPDFObjectHandle::isInitialized() const noexcept | @@ -1634,4 +1639,9 @@ QPDFObjectHandle::isInitialized() const noexcept | ||
| 1634 | return obj != nullptr; | 1639 | return obj != nullptr; |
| 1635 | } | 1640 | } |
| 1636 | 1641 | ||
| 1642 | +inline QPDFObjectHandle::operator bool() const noexcept | ||
| 1643 | +{ | ||
| 1644 | + return static_cast<bool>(obj); | ||
| 1645 | +} | ||
| 1646 | + | ||
| 1637 | #endif // QPDFOBJECTHANDLE_FUTURE_HH | 1647 | #endif // QPDFOBJECTHANDLE_FUTURE_HH |