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cwObject.h/cpp : Added to_string() and objectToFile()

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This commit is contained in:
kevin 2023-03-17 17:43:40 -04:00
parent 2171d8a0a6
commit b5f7e76983
2 changed files with 46 additions and 2 deletions
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45
cwObject.cpp
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@ -676,6 +676,25 @@ unsigned cw::object_t::to_string( char* buf, unsigned bufByteN ) const
return type->to_string(this,buf,bufByteN );
}
char* cw::object_t::to_string() const
{
unsigned n = 1024;
char* buf = mem::alloc<char>(n);
do
{
unsigned actual_bytes = to_string(buf,n);
if( actual_bytes < n )
break;
n *= 2;
buf = mem::resize(buf,n);
}while(1);
return buf;
}
void cw::object_t::print(const print_ctx_t* c) const
{
print_ctx_t ctx;
@ -727,10 +746,10 @@ cw::object_t* cw::newObject( const char* v, object_t* parent)
{ return _objCreateValueNode<const char*>( parent, v ); }
cw::object_t* cw::newDictObject( object_t* parent )
{ return _objAllocate( kDictTId, parent); }
{ return _objAllocate( kDictTId, parent); }
cw::object_t* cw::newListObject( object_t* parent )
{ return _objAllocate( kListTId, parent ); }
{ return _objAllocate( kListTId, parent ); }
cw::object_t* cw::newPairObject( const char* label, object_t* value, object_t* parent)
{
@ -965,5 +984,27 @@ void cw::objectPrintTypes( object_t* o0 )
cw::rc_t cw::objectToFile( const char* fn, const object_t* obj )
{
rc_t rc = kOkRC;
char* buf;
if((buf = obj->to_string()) == nullptr )
{
rc = cwLogError(kOpFailRC,"Unable to convert object to string.");
goto errLabel;
}
if((rc = file::fnWrite(fn,buf,textLength(buf))) != kOkRC )
{
rc = cwLogError(rc,"Object write failed on write to '%s'.",cwStringNullGuard(fn));
goto errLabel;
}
errLabel:
mem::release(buf);
return rc;
}

3
cwObject.h
View File

@ -259,6 +259,7 @@ namespace cw
// convert this object to a string
unsigned to_string( char* buf, unsigned bufByteN ) const;
char* to_string() const;
// print this object
void print(const print_ctx_t* c=NULL) const;
@ -304,6 +305,8 @@ namespace cw
rc_t objectFromFile( const char* fn, object_t*& objRef );
void objectPrintTypes( object_t* o );
rc_t objectToFile( const char* fn, const object_t* obj );
}