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cwUi.cpp : _createEleFromRsrc() now duplicates the rsrc object prior to modifying it, thereby allowing a const source object.

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This commit is contained in:
kevin.larke 2020-04-21 14:56:42 -04:00
parent 65ad48974e
commit a7858560a4
1 changed files with 17 additions and 12 deletions
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29
cwUi.cpp
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@ -328,15 +328,16 @@ namespace cw
return ele;
}
rc_t _createElementsFromChildList( ui_t* p, object_t* po, unsigned wsSessId, ele_t* parentEle );
rc_t _createElementsFromChildList( ui_t* p, const object_t* po, unsigned wsSessId, ele_t* parentEle );
//
rc_t _createEleFromRsrsc( ui_t* p, ele_t* parentEle, const char* eleType, object_t* o, unsigned wsSessId )
rc_t _createEleFromRsrsc( ui_t* p, ele_t* parentEle, const char* eleType, const object_t* srcObj, unsigned wsSessId )
{
rc_t rc = kOkRC;
object_t* co = nullptr;
ele_t* ele = nullptr;
char* eleName = nullptr;
object_t* o = srcObj->duplicate(); // duplicate the rsrc object so that we can modify it.
if( !o->is_dict() )
return cwLogError(kSyntaxErrorRC,"All ui element resource records must be dictionaries.");
@ -419,12 +420,15 @@ namespace cw
if( co != nullptr )
co->free();
if( o != nullptr )
o->free();
return rc;
}
// 'od' is an object dictionary where each pair in the dictionary has
// the form: 'eleType':{ <object> }
rc_t _createElementsFromChildList( ui_t* p, object_t* po, unsigned wsSessId, ele_t* parentEle )
rc_t _createElementsFromChildList( ui_t* p, const object_t* po, unsigned wsSessId, ele_t* parentEle )
{
rc_t rc = kOkRC;
@ -435,23 +439,25 @@ namespace cw
for(unsigned i=0; i<childN; ++i)
{
object_t* o = po->child_ele(i);
const object_t* o = po->child_ele(i);
if( !o->is_pair() )
return cwLogError(kSyntaxErrorRC,"All object dictionary children must be pairs.");
if((rc = _createEleFromRsrsc(p, parentEle, o->pair_label(), o->pair_value(), wsSessId )) != kOkRC )
return rc;
// skip pairs whose value is not a dict
if( o->pair_value()->is_dict() )
if((rc = _createEleFromRsrsc(p, parentEle, o->pair_label(), o->pair_value(), wsSessId )) != kOkRC )
return rc;
}
return rc;
}
rc_t _createFromObj( ui_t* p, object_t* o, unsigned wsSessId, unsigned parentUuId )
rc_t _createFromObj( ui_t* p, const object_t* o, unsigned wsSessId, unsigned parentUuId )
{
rc_t rc = kOkRC;
object_t* po = nullptr;
const object_t* po = nullptr;
ele_t* parentEle = nullptr;
char* eleName = nullptr;
@ -459,7 +465,6 @@ namespace cw
if((po = o->find("parent",kNoRecurseFl | kOptionalFl)) == nullptr )
return cwLogError(kSyntaxErrorRC,"UI resources must have a root 'parent' value.");
// get the parent element name
if((rc = po->value(eleName)) != kOkRC )
return cwLogError(kOpFailRC,"The root 'parent' value could not be accessed.");
@ -469,13 +474,13 @@ namespace cw
return cwLogError(kSyntaxErrorRC,"A parent UI element named '%s' could not be found.",cwStringNullGuard(eleName));
// unlink the 'parent' pair
po = po->parent;
//po = po->parent;
po->unlink();
//po->unlink();
rc = _createElementsFromChildList( p, o, wsSessId, parentEle );
po->free();
//po->free();
return rc;
}