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Rework big clist macro into template and small macro. Remove unused macros QUOTE_IT and CLISTIZE (source file macro).

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This commit is contained in:
Egor Pugin 2021-04-06 23:37:14 +03:00
parent 0c189908ec
commit 18e61d10ce
10 changed files with 49 additions and 156 deletions
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2
src/ccstruct/blobs.cpp
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@ -56,8 +56,6 @@ const TPOINT kDivisibleVerticalItalic(1, 5);
F u n c t i o n s
----------------------------------------------------------------------*/
CLISTIZE(EDGEPT)
// Returns true when the two line segments cross each other.
// (Moved from outlines.cpp).
// Finds where the projected lines would cross and then checks to see if the

1
src/ccstruct/pageres.cpp
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@ -46,7 +46,6 @@ struct Pix;
namespace tesseract {
ELISTIZE(BLOCK_RES)
CLISTIZE(BLOCK_RES)
ELISTIZE(ROW_RES)
ELISTIZE(WERD_RES)

1
src/ccstruct/pdblock.cpp
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@ -36,7 +36,6 @@ namespace tesseract {
constexpr ERRCODE BADBLOCKLINE("Y coordinate in block out of bounds");
constexpr ERRCODE LOSTBLOCKLINE("Can't find rectangle for line");
CLISTIZE(PDBLK)
/**********************************************************************
* PDBLK::PDBLK
*

194
src/ccutil/clst.h
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@ -692,153 +692,57 @@ inline void CLIST_ITERATOR::add_to_end( // element to add
}
}
/***********************************************************************
QUOTE_IT MACRO DEFINITION
===========================
Replace <parm> with "<parm>". <parm> may be an arbitrary number of tokens
***********************************************************************/
template <typename CLASSNAME>
class X_CLIST : public CLIST {
public:
X_CLIST() = default;
X_CLIST(const X_CLIST &) = delete;
X_CLIST &operator=(const X_CLIST &) = delete;
#define QUOTE_IT(parm) #parm
/***********************************************************************
CLISTIZE(CLASSNAME) MACRO DEFINITION
======================================
CLASSNAME is assumed to be the name of a class to be used in a CONS list
NOTE: Because we don't use virtual functions in the list code, the list code
will NOT work correctly for classes derived from this.
The macro generates:
- An element deletion function: CLASSNAME##_c1_zapper
- An element copier function:
CLASSNAME##_c1_copier
- A CLIST subclass: CLASSNAME##_CLIST
- A CLIST_ITERATOR subclass:
CLASSNAME##_C_IT
NOTE:
Generated names do NOT clash with those generated by ELISTIZE and ELIST2ISE.
Two macros are provided: CLISTIZE and CLISTIZEH
The ...IZEH macros just define the class names for use in .h files
The ...IZE macros define the code use in .c files
***********************************************************************/
/***********************************************************************
CLISTIZEH(CLASSNAME) MACRO
CLISTIZEH is a concatenation of 3 fragments CLISTIZEH_A, CLISTIZEH_B and
CLISTIZEH_C.
***********************************************************************/
#define CLISTIZEH_A(CLASSNAME) \
\
extern void CLASSNAME##_c1_zapper( /*delete a link*/ \
void *link); /*link to delete*/ \
\
extern void *CLASSNAME##_c1_copier( /*deep copy a link*/ \
void *old_element); /*source link */
#define CLISTIZEH_B(CLASSNAME) \
\
/*********************************************************************** \
* CLASS - \
*CLASSNAME##_CLIST \
* \
* List class for class \
*CLASSNAME \
* \
**********************************************************************/ \
\
class CLASSNAME##_CLIST : public CLIST { \
public: \
CLASSNAME##_CLIST() : CLIST() {} \
/* constructor */ \
\
CLASSNAME##_CLIST(const CLASSNAME##_CLIST &) = delete; \
void operator=(const CLASSNAME##_CLIST &) = delete; \
\
void deep_clear() /* delete elements */ \
{ \
CLIST::internal_deep_clear(&CLASSNAME##_c1_zapper); \
} \
#define CLISTIZEH_C(CLASSNAME) \
} \
; \
\
/*********************************************************************** \
* CLASS - CLASSNAME##_C_IT \
* \
* Iterator class for class CLASSNAME##_CLIST \
* \
* Note: We don't need to coerce pointers to member functions input \
* parameters as these are automatically converted to the type of the base \
* type. ("A ptr to a class may be converted to a pointer to a public base \
* class of that class") \
**********************************************************************/ \
\
class CLASSNAME##_C_IT : public CLIST_ITERATOR { \
public: \
CLASSNAME##_C_IT() : CLIST_ITERATOR() {} \
\
CLASSNAME##_C_IT(CLASSNAME##_CLIST *list) : CLIST_ITERATOR(list) {} \
\
CLASSNAME *data() { \
return static_cast<CLASSNAME *>(CLIST_ITERATOR::data()); \
} \
\
CLASSNAME *data_relative(int8_t offset) { \
return static_cast<CLASSNAME *>(CLIST_ITERATOR::data_relative(offset)); \
} \
\
CLASSNAME *forward() { \
return static_cast<CLASSNAME *>(CLIST_ITERATOR::forward()); \
} \
\
CLASSNAME *extract() { \
return static_cast<CLASSNAME *>(CLIST_ITERATOR::extract()); \
} \
\
CLASSNAME *move_to_first() { \
return static_cast<CLASSNAME *>(CLIST_ITERATOR::move_to_first()); \
} \
\
CLASSNAME *move_to_last() { \
return static_cast<CLASSNAME *>(CLIST_ITERATOR::move_to_last()); \
} \
};
#define CLISTIZEH(CLASSNAME) \
\
CLISTIZEH_A(CLASSNAME) \
\
CLISTIZEH_B(CLASSNAME) \
\
CLISTIZEH_C(CLASSNAME)
/***********************************************************************
CLISTIZE(CLASSNAME) MACRO
***********************************************************************/
#define CLISTIZE(CLASSNAME) \
\
/*********************************************************************** \
* CLASSNAME##_c1_zapper \
* \
* A function which can delete a CLASSNAME element. This is passed to the \
* generic deep_clear list member function so that when a list is cleared \
*the \
* elements on the list are properly destroyed from the base class, even \
* though we don't use a virtual destructor function. \
**********************************************************************/ \
\
void CLASSNAME##_c1_zapper( /*delete a link*/ \
void *link) /*link to delete*/ \
{ \
delete static_cast<CLASSNAME *>(link); \
void deep_clear() {
internal_deep_clear([](void *link) {delete static_cast<CLASSNAME *>(link);});
}
};
template <typename CLASSNAME>
class X_C_IT : public CLIST_ITERATOR {
public:
X_C_IT() = default;
protected:
template <typename U>
X_C_IT(U *list) : CLIST_ITERATOR(list) {}
public:
CLASSNAME *data() {
return static_cast<CLASSNAME *>(CLIST_ITERATOR::data());
}
CLASSNAME *data_relative(int8_t offset) {
return static_cast<CLASSNAME *>(CLIST_ITERATOR::data_relative(offset));
}
CLASSNAME *forward() {
return static_cast<CLASSNAME *>(CLIST_ITERATOR::forward());
}
CLASSNAME *extract() {
return static_cast<CLASSNAME *>(CLIST_ITERATOR::extract());
}
CLASSNAME *move_to_first() {
return static_cast<CLASSNAME *>(CLIST_ITERATOR::move_to_first());
}
CLASSNAME *move_to_last() {
return static_cast<CLASSNAME *>(CLIST_ITERATOR::move_to_last());
}
};
#define CLISTIZEH(CLASSNAME) \
class CLASSNAME##_CLIST : public X_CLIST<CLASSNAME> { \
public: \
using X_CLIST<CLASSNAME>::X_CLIST; \
}; \
class CLASSNAME##_C_IT : public X_C_IT<CLASSNAME> { \
public: \
using X_C_IT<CLASSNAME>::X_C_IT; \
CLASSNAME##_C_IT(CLASSNAME##_CLIST *list) : X_C_IT(list) {} \
};
} // namespace tesseract

1
src/textord/colpartition.cpp
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@ -36,7 +36,6 @@
namespace tesseract {
ELIST2IZE(ColPartition)
CLISTIZE(ColPartition)
//////////////// ColPartition Implementation ////////////////

1
src/textord/pitsync1.cpp
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@ -24,7 +24,6 @@
namespace tesseract {
ELISTIZE(FPSEGPT)
CLISTIZE(FPSEGPT_LIST)
INT_VAR(pitsync_linear_version, 6, "Use new fast algorithm");
double_VAR(pitsync_joined_edge, 0.75, "Dist inside big blob for chopping");

1
src/textord/tablefind.cpp
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@ -151,7 +151,6 @@ static BOOL_VAR(textord_tablefind_recognize_tables, false,
"Enables the table recognizer for table layout and filtering.");
ELISTIZE(ColSegment)
CLISTIZE(ColSegment)
// Templated helper function used to create destructor callbacks for the
// BBGrid::ClearGridData() method.

1
src/textord/tabvector.cpp
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@ -166,7 +166,6 @@ void TabConstraint::GetConstraints(TabConstraint_LIST *constraints, int *y_min,
}
ELIST2IZE(TabVector)
CLISTIZE(TabVector)
// The constructor is private. See the bottom of the file...

2
src/textord/tordmain.cpp
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@ -59,8 +59,6 @@ namespace tesseract {
#define MAX_NEAREST_DIST 600 // for block skew stats
CLISTIZE(WordWithBox)
/**********************************************************************
* SetBlobStrokeWidth
*

1
unittest/list_test.cc
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@ -44,7 +44,6 @@ public:
};
CLISTIZEH(Clst)
CLISTIZE(Clst)
ELISTIZEH(Elst)
ELISTIZE(Elst)
ELIST2IZEH(Elst2)