1443 lines
42 KiB
C++
1443 lines
42 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#include "dmxloader/dmxelement.h"
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#include <ctype.h>
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#include "tier1/utlbuffer.h"
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#include "tier1/utlbufferutil.h"
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#include <limits.h>
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#include "dmxserializationdictionary.h"
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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class CUtlBuffer;
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extern const char *g_pAttributeTypeName[AT_TYPE_COUNT];
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//-----------------------------------------------------------------------------
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// a simple class to keep track of a stack of valid parsed symbols
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//-----------------------------------------------------------------------------
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class CDmxKeyValues2ErrorStack
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{
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public:
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CDmxKeyValues2ErrorStack();
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// Sets the filename to report with errors; sets the line number to 0
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void SetFilename( const char *pFilename );
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// Current line control
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void IncrementCurrentLine();
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void SetCurrentLine( int nLine );
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int GetCurrentLine() const;
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// entering a new keyvalues block, save state for errors
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// Not save symbols instead of pointers because the pointers can move!
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int Push( CUtlSymbol symName );
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// exiting block, error isn't in this block, remove.
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void Pop();
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// Allows you to keep the same stack level, but change the name as you parse peers
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void Reset( int stackLevel, CUtlSymbol symName );
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// Hit an error, report it and the parsing stack for context
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void ReportError( const char *pError, ... );
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static CUtlSymbolTable& GetSymbolTable() { return m_ErrorSymbolTable; }
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private:
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enum
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{
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MAX_ERROR_STACK = 64
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};
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CUtlSymbol m_errorStack[MAX_ERROR_STACK];
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const char *m_pFilename;
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int m_nFileLine;
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int m_errorIndex;
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int m_maxErrorIndex;
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static CUtlSymbolTable m_ErrorSymbolTable;
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};
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CUtlSymbolTable CDmxKeyValues2ErrorStack::m_ErrorSymbolTable;
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//-----------------------------------------------------------------------------
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// Singleton instance
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//-----------------------------------------------------------------------------
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static CDmxKeyValues2ErrorStack g_KeyValues2ErrorStack;
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//-----------------------------------------------------------------------------
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// Constructor
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//-----------------------------------------------------------------------------
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CDmxKeyValues2ErrorStack::CDmxKeyValues2ErrorStack() :
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m_pFilename("NULL"), m_errorIndex(0), m_maxErrorIndex(0), m_nFileLine(1)
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{
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}
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//-----------------------------------------------------------------------------
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// Sets the filename
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//-----------------------------------------------------------------------------
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void CDmxKeyValues2ErrorStack::SetFilename( const char *pFilename )
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{
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m_pFilename = pFilename;
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m_maxErrorIndex = 0;
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m_nFileLine = 1;
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}
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//-----------------------------------------------------------------------------
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// Current line control
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//-----------------------------------------------------------------------------
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void CDmxKeyValues2ErrorStack::IncrementCurrentLine()
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{
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++m_nFileLine;
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}
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void CDmxKeyValues2ErrorStack::SetCurrentLine( int nLine )
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{
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m_nFileLine = nLine;
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}
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int CDmxKeyValues2ErrorStack::GetCurrentLine() const
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{
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return m_nFileLine;
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}
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//-----------------------------------------------------------------------------
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// entering a new keyvalues block, save state for errors
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// Not save symbols instead of pointers because the pointers can move!
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//-----------------------------------------------------------------------------
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int CDmxKeyValues2ErrorStack::Push( CUtlSymbol symName )
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{
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if ( m_errorIndex < MAX_ERROR_STACK )
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{
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m_errorStack[m_errorIndex] = symName;
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}
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m_errorIndex++;
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m_maxErrorIndex = max( m_maxErrorIndex, (m_errorIndex-1) );
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return m_errorIndex-1;
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}
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//-----------------------------------------------------------------------------
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// exiting block, error isn't in this block, remove.
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//-----------------------------------------------------------------------------
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void CDmxKeyValues2ErrorStack::Pop()
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{
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m_errorIndex--;
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Assert(m_errorIndex>=0);
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}
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//-----------------------------------------------------------------------------
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// Allows you to keep the same stack level, but change the name as you parse peers
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//-----------------------------------------------------------------------------
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void CDmxKeyValues2ErrorStack::Reset( int stackLevel, CUtlSymbol symName )
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{
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Assert( stackLevel >= 0 && stackLevel < m_errorIndex );
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m_errorStack[stackLevel] = symName;
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}
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//-----------------------------------------------------------------------------
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// Hit an error, report it and the parsing stack for context
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//-----------------------------------------------------------------------------
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void CDmxKeyValues2ErrorStack::ReportError( const char *pFmt, ... )
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{
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char temp[2048];
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va_list args;
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va_start( args, pFmt );
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Q_vsnprintf( temp, sizeof( temp ), pFmt, args );
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va_end( args );
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Warning( "%s(%d) : %s\n", m_pFilename, m_nFileLine, temp );
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for ( int i = 0; i < m_maxErrorIndex; i++ )
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{
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if ( !m_errorStack[i].IsValid() )
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continue;
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if ( i < m_errorIndex )
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{
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Warning( "%s, ", GetSymbolTable().String( m_errorStack[i] ) );
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}
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else
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{
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Warning( "(*%s*), ", GetSymbolTable().String( m_errorStack[i] ) );
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}
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}
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Warning( "\n" );
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}
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//-----------------------------------------------------------------------------
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// a simple helper that creates stack entries as it goes in & out of scope
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//-----------------------------------------------------------------------------
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class CKeyValues2ErrorContext
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{
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public:
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CKeyValues2ErrorContext( const char *pSymName )
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{
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Init( CDmxKeyValues2ErrorStack::GetSymbolTable().AddString( pSymName ) );
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}
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CKeyValues2ErrorContext( CUtlSymbol symName )
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{
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Init( symName );
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}
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~CKeyValues2ErrorContext()
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{
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g_KeyValues2ErrorStack.Pop();
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}
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void Reset( CUtlSymbol symName )
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{
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g_KeyValues2ErrorStack.Reset( m_stackLevel, symName );
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}
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private:
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void Init( CUtlSymbol symName )
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{
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m_stackLevel = g_KeyValues2ErrorStack.Push( symName );
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}
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int m_stackLevel;
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};
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//-----------------------------------------------------------------------------
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// Element dictionary used in unserialization
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//-----------------------------------------------------------------------------
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typedef int DmxElementDictHandle_t;
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enum
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{
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ELEMENT_DICT_HANDLE_INVALID = (DmxElementDictHandle_t)~0
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};
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class CDmxElementDictionary
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{
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public:
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CDmxElementDictionary();
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DmxElementDictHandle_t InsertElement( CDmxElement *pElement );
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CDmxElement *GetElement( DmxElementDictHandle_t handle );
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void AddAttribute( CDmxAttribute *pAttribute, const DmObjectId_t &pElementId );
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void AddArrayAttribute( CDmxAttribute *pAttribute, DmxElementDictHandle_t hChild );
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void AddArrayAttribute( CDmxAttribute *pAttribute, const DmObjectId_t &pElementId );
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// Finds an element into the table
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DmxElementDictHandle_t FindElement( CDmxElement *pElement );
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DmxElementDictHandle_t FindElement( const DmObjectId_t &objectId );
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// Sets the element id for an element
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void SetElementId( DmxElementDictHandle_t hElement, const DmObjectId_t &objectId );
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// Hook up all element references (which were unserialized as object ids)
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void HookUpElementReferences();
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// Clears the dictionary
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void Clear();
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// iteration through elements
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DmxElementDictHandle_t FirstElement() { return 0; }
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DmxElementDictHandle_t NextElement( DmxElementDictHandle_t h )
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{
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return m_Dict.IsValidIndex( h+1 ) ? h+1 : ELEMENT_DICT_HANDLE_INVALID;
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}
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private:
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struct DictInfo_t
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{
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CDmxElement *m_pElement;
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DmObjectId_t m_Id;
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};
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struct AttributeInfo_t
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{
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CDmxAttribute *m_pAttribute;
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DmAttributeType_t m_nType; // AT_ELEMENT or AT_OBJECTID
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union
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{
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DmxElementDictHandle_t m_hElement;
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DmObjectId_t m_ObjectId;
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};
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};
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typedef CUtlVector<AttributeInfo_t> AttributeList_t;
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// Hook up all element references (which were unserialized as object ids)
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void HookUpElementAttributes();
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void HookUpElementArrayAttributes();
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CUtlVector< DictInfo_t > m_Dict;
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AttributeList_t m_Attributes;
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AttributeList_t m_ArrayAttributes;
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};
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//-----------------------------------------------------------------------------
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// Constructor
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//-----------------------------------------------------------------------------
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CDmxElementDictionary::CDmxElementDictionary()
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{
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}
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//-----------------------------------------------------------------------------
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// Clears the dictionary
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//-----------------------------------------------------------------------------
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void CDmxElementDictionary::Clear()
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{
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m_Dict.Purge();
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m_Attributes.Purge();
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m_ArrayAttributes.Purge();
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}
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//-----------------------------------------------------------------------------
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// Inserts an element into the table
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//-----------------------------------------------------------------------------
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DmxElementDictHandle_t CDmxElementDictionary::InsertElement( CDmxElement *pElement )
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{
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// Insert it into the reconnection table
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DmxElementDictHandle_t h = m_Dict.AddToTail( );
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m_Dict[h].m_pElement = pElement;
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InvalidateUniqueId( &m_Dict[h].m_Id );
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return h;
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}
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//-----------------------------------------------------------------------------
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// Sets the element id for an element
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//-----------------------------------------------------------------------------
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void CDmxElementDictionary::SetElementId( DmxElementDictHandle_t hElement, const DmObjectId_t &objectId )
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{
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Assert( hElement != ELEMENT_DICT_HANDLE_INVALID );
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CopyUniqueId( objectId, &m_Dict[hElement].m_Id );
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}
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//-----------------------------------------------------------------------------
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// Returns a particular element
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//-----------------------------------------------------------------------------
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CDmxElement *CDmxElementDictionary::GetElement( DmxElementDictHandle_t handle )
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{
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if ( handle == ELEMENT_DICT_HANDLE_INVALID )
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return NULL;
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return m_Dict[ handle ].m_pElement;
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}
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//-----------------------------------------------------------------------------
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// Adds an attribute to the fixup list
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//-----------------------------------------------------------------------------
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void CDmxElementDictionary::AddAttribute( CDmxAttribute *pAttribute, const DmObjectId_t &objectId )
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{
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int i = m_Attributes.AddToTail();
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m_Attributes[i].m_nType = AT_OBJECTID;
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m_Attributes[i].m_pAttribute = pAttribute;
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CopyUniqueId( objectId, &m_Attributes[i].m_ObjectId );
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}
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//-----------------------------------------------------------------------------
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// Adds an element of an attribute array to the fixup list
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//-----------------------------------------------------------------------------
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void CDmxElementDictionary::AddArrayAttribute( CDmxAttribute *pAttribute, DmxElementDictHandle_t hElement )
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{
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int i = m_ArrayAttributes.AddToTail();
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m_ArrayAttributes[i].m_nType = AT_ELEMENT;
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m_ArrayAttributes[i].m_pAttribute = pAttribute;
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m_ArrayAttributes[i].m_hElement = hElement;
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}
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void CDmxElementDictionary::AddArrayAttribute( CDmxAttribute *pAttribute, const DmObjectId_t &objectId )
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{
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int i = m_ArrayAttributes.AddToTail();
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m_ArrayAttributes[i].m_nType = AT_OBJECTID;
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m_ArrayAttributes[i].m_pAttribute = pAttribute;
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CopyUniqueId( objectId, &m_ArrayAttributes[i].m_ObjectId );
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}
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//-----------------------------------------------------------------------------
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// Finds an element into the table
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//-----------------------------------------------------------------------------
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DmxElementDictHandle_t CDmxElementDictionary::FindElement( CDmxElement *pElement )
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{
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int nCount = m_Dict.Count();
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for ( int i = 0; i < nCount; ++i )
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{
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if ( pElement == m_Dict[i].m_pElement )
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return i;
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}
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return ELEMENT_DICT_HANDLE_INVALID;
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}
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//-----------------------------------------------------------------------------
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// Finds an element into the table
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//-----------------------------------------------------------------------------
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DmxElementDictHandle_t CDmxElementDictionary::FindElement( const DmObjectId_t &objectId )
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{
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int nCount = m_Dict.Count();
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for ( int i = 0; i < nCount; ++i )
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{
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if ( IsUniqueIdEqual( objectId, m_Dict[i].m_Id ) )
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return i;
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}
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return ELEMENT_DICT_HANDLE_INVALID;
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}
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//-----------------------------------------------------------------------------
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// Hook up all element references (which were unserialized as object ids)
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//-----------------------------------------------------------------------------
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void CDmxElementDictionary::HookUpElementAttributes()
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{
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int n = m_Attributes.Count();
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for ( int i = 0; i < n; ++i )
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{
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Assert( m_Attributes[i].m_nType == AT_OBJECTID );
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DmxElementDictHandle_t hElement = FindElement( m_Attributes[i].m_ObjectId );
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CDmxElement *pElement = GetElement( hElement );
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m_Attributes[i].m_pAttribute->SetValue( pElement );
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}
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}
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//-----------------------------------------------------------------------------
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// Hook up all element array references
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//-----------------------------------------------------------------------------
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void CDmxElementDictionary::HookUpElementArrayAttributes()
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{
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int n = m_ArrayAttributes.Count();
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for ( int i = 0; i < n; ++i )
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{
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CUtlVector< CDmxElement* > &array = m_ArrayAttributes[i].m_pAttribute->GetArrayForEdit<CDmxElement*>();
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if ( m_ArrayAttributes[i].m_nType == AT_ELEMENT )
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{
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CDmxElement *pElement = GetElement( m_ArrayAttributes[i].m_hElement );
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array.AddToTail( pElement );
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}
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else
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{
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// search id->handle table (both loaded and unloaded) for id, and if not found, create a new handle, map it to the id and return it
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DmxElementDictHandle_t hElement = FindElement( m_ArrayAttributes[i].m_ObjectId );
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CDmxElement *pElement = GetElement( hElement );
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array.AddToTail( pElement );
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Hook up all element references (which were unserialized as object ids)
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//-----------------------------------------------------------------------------
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void CDmxElementDictionary::HookUpElementReferences()
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{
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HookUpElementArrayAttributes();
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HookUpElementAttributes();
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}
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//-----------------------------------------------------------------------------
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// Unserialization class for Key Values 2
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//-----------------------------------------------------------------------------
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class CDmxSerializerKeyValues2
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{
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public:
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bool Unserialize( const char *pFileName, CUtlBuffer &buf, CDmxElement **ppRoot );
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bool Serialize( CUtlBuffer &buf, CDmxElement *pRoot, const char *pFileName );
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private:
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enum TokenType_t
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{
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TOKEN_INVALID = -1, // A bogus token
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TOKEN_OPEN_BRACE, // {
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TOKEN_CLOSE_BRACE, // }
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TOKEN_OPEN_BRACKET, // [
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TOKEN_CLOSE_BRACKET, // ]
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TOKEN_COMMA, // ,
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// TOKEN_STRING, // Any non-quoted string
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TOKEN_DELIMITED_STRING, // Any quoted string
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TOKEN_INCLUDE, // #include
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TOKEN_EOF, // End of buffer
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};
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// Methods related to unserialization
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void EatWhitespacesAndComments( CUtlBuffer &buf );
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TokenType_t ReadToken( CUtlBuffer &buf, CUtlBuffer &token );
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DmxElementDictHandle_t CreateDmxElement( const char *pElementType );
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bool UnserializeAttributeValueFromToken( CDmxAttribute *pAttribute, DmAttributeType_t type, CUtlBuffer &tokenBuf );
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bool UnserializeElementAttribute( CUtlBuffer &buf, DmxElementDictHandle_t hElement, const char *pAttributeName, const char *pElementType );
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bool UnserializeElementArrayAttribute( CUtlBuffer &buf, DmxElementDictHandle_t hElement, const char *pAttributeName );
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bool UnserializeArrayAttribute( CUtlBuffer &buf, DmxElementDictHandle_t hElement, const char *pAttributeName, DmAttributeType_t nAttrType );
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bool UnserializeAttribute( CUtlBuffer &buf, DmxElementDictHandle_t hElement, const char *pAttributeName, DmAttributeType_t nAttrType );
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bool UnserializeElement( CUtlBuffer &buf, const char *pElementType, DmxElementDictHandle_t *pHandle );
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bool UnserializeElement( CUtlBuffer &buf, DmxElementDictHandle_t *pHandle );
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// Methods related to serialization
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void SerializeArrayAttribute( CUtlBuffer& buf, CDmxAttribute *pAttribute );
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void SerializeElementAttribute( CUtlBuffer& buf, CDmxSerializationDictionary &dict, CDmxAttribute *pAttribute );
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void SerializeElementArrayAttribute( CUtlBuffer& buf, CDmxSerializationDictionary &dict, CDmxAttribute *pAttribute );
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bool SerializeAttributes( CUtlBuffer& buf, CDmxSerializationDictionary &dict, CDmxElement *pElement );
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bool SaveElement( CUtlBuffer& buf, CDmxSerializationDictionary &dict, CDmxElement *pElement, bool bWriteDelimiters = true );
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// For unserialization
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CDmxElementDictionary m_ElementDict;
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DmxElementDictHandle_t m_hRoot;
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};
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//-----------------------------------------------------------------------------
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// Serializes a single element attribute
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//-----------------------------------------------------------------------------
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void CDmxSerializerKeyValues2::SerializeElementAttribute( CUtlBuffer& buf, CDmxSerializationDictionary &dict, CDmxAttribute *pAttribute )
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{
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CDmxElement *pElement = pAttribute->GetValue< CDmxElement* >();
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if ( dict.ShouldInlineElement( pElement ) )
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{
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buf.Printf( "\"%s\"\n{\n", pElement->GetTypeString() );
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if ( pElement )
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{
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SaveElement( buf, dict, pElement, false );
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}
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buf.Printf( "}\n" );
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}
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else
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{
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buf.Printf( "\"%s\" \"", g_pAttributeTypeName[ AT_ELEMENT ] );
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if ( pElement )
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{
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::Serialize( buf, pElement->GetId() );
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}
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buf.PutChar( '\"' );
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}
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}
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//-----------------------------------------------------------------------------
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// Serializes an array element attribute
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//-----------------------------------------------------------------------------
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void CDmxSerializerKeyValues2::SerializeElementArrayAttribute( CUtlBuffer& buf, CDmxSerializationDictionary &dict, CDmxAttribute *pAttribute )
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{
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const CUtlVector<CDmxElement*> &array = pAttribute->GetArray< CDmxElement* >();
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buf.Printf( "\n[\n" );
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buf.PushTab();
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int nCount = array.Count();
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for ( int i = 0; i < nCount; ++i )
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{
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CDmxElement *pElement = array[i];
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if ( dict.ShouldInlineElement( pElement ) )
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{
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buf.Printf( "\"%s\"\n{\n", pElement->GetTypeString() );
|
|
if ( pElement )
|
|
{
|
|
SaveElement( buf, dict, pElement, false );
|
|
}
|
|
buf.PutChar( '}' );
|
|
}
|
|
else
|
|
{
|
|
const char *pAttributeType = g_pAttributeTypeName[ AT_ELEMENT ];
|
|
buf.Printf( "\"%s\" \"", pAttributeType );
|
|
if ( pElement )
|
|
{
|
|
::Serialize( buf, pElement->GetId() );
|
|
}
|
|
buf.PutChar( '\"' );
|
|
}
|
|
|
|
if ( i != nCount - 1 )
|
|
{
|
|
buf.PutChar( ',' );
|
|
}
|
|
buf.PutChar( '\n' );
|
|
}
|
|
|
|
buf.PopTab();
|
|
buf.Printf( "]" );
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Serializes array attributes
|
|
//-----------------------------------------------------------------------------
|
|
void CDmxSerializerKeyValues2::SerializeArrayAttribute( CUtlBuffer& buf, CDmxAttribute *pAttribute )
|
|
{
|
|
int nCount = pAttribute->GetArrayCount();
|
|
|
|
buf.PutString( "\n[\n" );
|
|
buf.PushTab();
|
|
|
|
for ( int i = 0; i < nCount; ++i )
|
|
{
|
|
if ( pAttribute->GetType() != AT_STRING_ARRAY )
|
|
{
|
|
buf.PutChar( '\"' );
|
|
buf.PushTab();
|
|
}
|
|
|
|
pAttribute->SerializeElement( i, buf );
|
|
|
|
if ( pAttribute->GetType() != AT_STRING_ARRAY )
|
|
{
|
|
buf.PopTab();
|
|
buf.PutChar( '\"' );
|
|
}
|
|
|
|
if ( i != nCount - 1 )
|
|
{
|
|
buf.PutChar( ',' );
|
|
}
|
|
buf.PutChar( '\n' );
|
|
}
|
|
buf.PopTab();
|
|
buf.PutChar( ']' );
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Serializes all attributes in an element
|
|
//-----------------------------------------------------------------------------
|
|
static int SortAttributeByName(const void *p1, const void *p2 )
|
|
{
|
|
const CDmxAttribute **ppAtt1 = (const CDmxAttribute**)p1;
|
|
const CDmxAttribute **ppAtt2 = (const CDmxAttribute**)p2;
|
|
const char *pAttName1 = (*ppAtt1)->GetName();
|
|
const char *pAttName2 = (*ppAtt2)->GetName();
|
|
return Q_stricmp( pAttName1, pAttName2 );
|
|
}
|
|
|
|
bool CDmxSerializerKeyValues2::SerializeAttributes( CUtlBuffer& buf, CDmxSerializationDictionary &dict, CDmxElement *pElement )
|
|
{
|
|
int nCount = pElement->AttributeCount();
|
|
CDmxAttribute **ppAttributes = (CDmxAttribute**)stackalloc( nCount * sizeof(CDmxAttribute*) );
|
|
for ( int i = 0; i < nCount; ++i )
|
|
{
|
|
ppAttributes[i] = pElement->GetAttribute( i );
|
|
}
|
|
|
|
// Sort by name
|
|
qsort( ppAttributes, nCount, sizeof(CDmxAttribute*), SortAttributeByName );
|
|
|
|
for ( int i = 0; i < nCount; ++i )
|
|
{
|
|
CDmxAttribute *pAttribute = ppAttributes[ i ];
|
|
|
|
const char *pName = pAttribute->GetName( );
|
|
DmAttributeType_t nAttrType = pAttribute->GetType();
|
|
if ( nAttrType != AT_ELEMENT )
|
|
{
|
|
buf.Printf( "\"%s\" \"%s\" ", pName, g_pAttributeTypeName[ nAttrType ] );
|
|
}
|
|
else
|
|
{
|
|
// Elements either serialize their type name or "element" depending on whether they are inlined
|
|
buf.Printf( "\"%s\" ", pName );
|
|
}
|
|
|
|
switch( nAttrType )
|
|
{
|
|
default:
|
|
if ( nAttrType >= AT_FIRST_ARRAY_TYPE )
|
|
{
|
|
SerializeArrayAttribute( buf, pAttribute );
|
|
}
|
|
else
|
|
{
|
|
if ( pAttribute->SerializesOnMultipleLines() )
|
|
{
|
|
buf.PutChar( '\n' );
|
|
}
|
|
|
|
buf.PutChar( '\"' );
|
|
buf.PushTab();
|
|
pAttribute->Serialize( buf );
|
|
buf.PopTab();
|
|
buf.PutChar( '\"' );
|
|
}
|
|
break;
|
|
|
|
case AT_STRING:
|
|
// Don't explicitly add string delimiters; serialization does that.
|
|
pAttribute->Serialize( buf );
|
|
break;
|
|
|
|
case AT_ELEMENT:
|
|
SerializeElementAttribute( buf, dict, pAttribute );
|
|
break;
|
|
|
|
case AT_ELEMENT_ARRAY:
|
|
SerializeElementArrayAttribute( buf, dict, pAttribute );
|
|
break;
|
|
}
|
|
|
|
buf.PutChar( '\n' );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CDmxSerializerKeyValues2::SaveElement( CUtlBuffer& buf, CDmxSerializationDictionary &dict, CDmxElement *pElement, bool bWriteDelimiters )
|
|
{
|
|
if ( bWriteDelimiters )
|
|
{
|
|
buf.Printf( "\"%s\"\n{\n", pElement->GetTypeString() );
|
|
}
|
|
buf.PushTab();
|
|
|
|
// explicitly serialize id, now that it's no longer an attribute
|
|
buf.Printf( "\"id\" \"%s\" ", g_pAttributeTypeName[ AT_OBJECTID ] );
|
|
buf.PutChar( '\"' );
|
|
::Serialize( buf, pElement->GetId() );
|
|
buf.PutString( "\"\n" );
|
|
|
|
SerializeAttributes( buf, dict, pElement );
|
|
|
|
buf.PopTab();
|
|
if ( bWriteDelimiters )
|
|
{
|
|
buf.Printf( "}\n" );
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CDmxSerializerKeyValues2::Serialize( CUtlBuffer &outBuf, CDmxElement *pRoot, const char *pFormatName )
|
|
{
|
|
SetSerializationDelimiter( GetCStringCharConversion() );
|
|
SetSerializationArrayDelimiter( "," );
|
|
|
|
bool bFlatMode = !Q_stricmp( pFormatName, "keyvalues2_flat" );
|
|
|
|
// Save elements, attribute links
|
|
CDmxSerializationDictionary dict;
|
|
dict.BuildElementList( pRoot, bFlatMode );
|
|
|
|
// Save elements to buffer
|
|
DmxSerializationHandle_t i;
|
|
for ( i = dict.FirstRootElement(); i != ELEMENT_DICT_HANDLE_INVALID; i = dict.NextRootElement(i) )
|
|
{
|
|
SaveElement( outBuf, dict, dict.GetRootElement( i ) );
|
|
outBuf.PutChar( '\n' );
|
|
}
|
|
|
|
SetSerializationDelimiter( NULL );
|
|
SetSerializationArrayDelimiter( NULL );
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Eats whitespaces and c++ style comments
|
|
//-----------------------------------------------------------------------------
|
|
#pragma warning (disable:4706)
|
|
|
|
void CDmxSerializerKeyValues2::EatWhitespacesAndComments( CUtlBuffer &buf )
|
|
{
|
|
// eating white spaces and remarks loop
|
|
int nMaxPut = buf.TellMaxPut() - buf.TellGet();
|
|
int nOffset = 0;
|
|
while ( nOffset < nMaxPut )
|
|
{
|
|
// Eat whitespaces, keep track of line count
|
|
const char *pPeek = NULL;
|
|
while ( (pPeek = (const char *)buf.PeekGet( sizeof(char), nOffset ) ) )
|
|
{
|
|
if ( !isspace( *pPeek ) )
|
|
break;
|
|
|
|
if ( *pPeek == '\n' )
|
|
{
|
|
g_KeyValues2ErrorStack.IncrementCurrentLine();
|
|
}
|
|
if ( ++nOffset >= nMaxPut )
|
|
break;
|
|
}
|
|
|
|
// If we don't have a a c++ style comment next, we're done
|
|
pPeek = (const char *)buf.PeekGet( 2 * sizeof(char), nOffset );
|
|
if ( ( nOffset >= nMaxPut ) || !pPeek || ( pPeek[0] != '/' ) || ( pPeek[1] != '/' ) )
|
|
break;
|
|
|
|
// Deal with c++ style comments
|
|
nOffset += 2;
|
|
|
|
// read complete line
|
|
while ( ( pPeek = (const char *)buf.PeekGet( sizeof(char), nOffset ) ) )
|
|
{
|
|
if ( *pPeek == '\n' )
|
|
break;
|
|
if ( ++nOffset >= nMaxPut )
|
|
break;
|
|
}
|
|
|
|
g_KeyValues2ErrorStack.IncrementCurrentLine();
|
|
}
|
|
|
|
buf.SeekGet( CUtlBuffer::SEEK_CURRENT, nOffset );
|
|
}
|
|
|
|
#pragma warning (default:4706)
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Reads a single token, points the token utlbuffer at it
|
|
//-----------------------------------------------------------------------------
|
|
CDmxSerializerKeyValues2::TokenType_t CDmxSerializerKeyValues2::ReadToken( CUtlBuffer &buf, CUtlBuffer &token )
|
|
{
|
|
EatWhitespacesAndComments( buf );
|
|
|
|
// if message text buffers go over this size
|
|
// change this value to make sure they will fit
|
|
// affects loading of last active chat window
|
|
if ( !buf.IsValid() || ( buf.TellGet() == buf.TellMaxPut() ) )
|
|
return TOKEN_EOF;
|
|
|
|
// Compute token length and type
|
|
int nLength = 0;
|
|
TokenType_t t = TOKEN_INVALID;
|
|
char c = *((const char *)buf.PeekGet());
|
|
switch( c )
|
|
{
|
|
case '{':
|
|
nLength = 1;
|
|
t = TOKEN_OPEN_BRACE;
|
|
break;
|
|
|
|
case '}':
|
|
nLength = 1;
|
|
t = TOKEN_CLOSE_BRACE;
|
|
break;
|
|
|
|
case '[':
|
|
nLength = 1;
|
|
t = TOKEN_OPEN_BRACKET;
|
|
break;
|
|
|
|
case ']':
|
|
nLength = 1;
|
|
t = TOKEN_CLOSE_BRACKET;
|
|
break;
|
|
|
|
case ',':
|
|
nLength = 1;
|
|
t = TOKEN_COMMA;
|
|
break;
|
|
|
|
case '\"':
|
|
// NOTE: The -1 is because peek includes room for the /0
|
|
nLength = buf.PeekDelimitedStringLength( GetCStringCharConversion(), false ) - 1;
|
|
if ( (nLength <= 1) || ( *(const char *)buf.PeekGet( nLength - 1 ) != '\"' ))
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Unexpected EOF in quoted string" );
|
|
t = TOKEN_INVALID;
|
|
}
|
|
else
|
|
{
|
|
t = TOKEN_DELIMITED_STRING;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
t = TOKEN_INVALID;
|
|
break;
|
|
}
|
|
|
|
// Point the token buffer to the token + update the original buffer get index
|
|
token.SetExternalBuffer( (void*)buf.PeekGet(), nLength, nLength, CUtlBuffer::TEXT_BUFFER | CUtlBuffer::READ_ONLY );
|
|
buf.SeekGet( CUtlBuffer::SEEK_CURRENT, nLength );
|
|
|
|
// Count the number of crs in the token + update the current line
|
|
const char *pMem = (const char *)token.Base();
|
|
for ( int i = 0; i < nLength; ++i )
|
|
{
|
|
if ( pMem[i] == '\n' )
|
|
{
|
|
g_KeyValues2ErrorStack.IncrementCurrentLine();
|
|
}
|
|
}
|
|
|
|
return t;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Creates a scene object, adds it to the element dictionary
|
|
//-----------------------------------------------------------------------------
|
|
DmxElementDictHandle_t CDmxSerializerKeyValues2::CreateDmxElement( const char *pElementType )
|
|
{
|
|
// See if we can create an element of that type
|
|
CDmxElement *pElement = new CDmxElement( pElementType );
|
|
return m_ElementDict.InsertElement( pElement );
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Reads an attribute for an element
|
|
//-----------------------------------------------------------------------------
|
|
bool CDmxSerializerKeyValues2::UnserializeElementAttribute( CUtlBuffer &buf, DmxElementDictHandle_t hElement, const char *pAttributeName, const char *pElementType )
|
|
{
|
|
CDmxElement *pElement = m_ElementDict.GetElement( hElement );
|
|
if ( pElement->HasAttribute( pAttributeName ) )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Attribute \"%s\" was defined more than once.\n", pAttributeName );
|
|
return false;
|
|
}
|
|
|
|
CDmxAttribute *pAttribute;
|
|
{
|
|
CDmxElementModifyScope modify( pElement );
|
|
pAttribute = pElement->AddAttribute( pAttributeName );
|
|
}
|
|
|
|
DmxElementDictHandle_t h;
|
|
bool bOk = UnserializeElement( buf, pElementType, &h );
|
|
if ( bOk )
|
|
{
|
|
CDmxElement *pNewElement = m_ElementDict.GetElement( h );
|
|
pAttribute->SetValue( pNewElement );
|
|
}
|
|
return bOk;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Reads an attribute for an element array
|
|
//-----------------------------------------------------------------------------
|
|
bool CDmxSerializerKeyValues2::UnserializeElementArrayAttribute( CUtlBuffer &buf, DmxElementDictHandle_t hElement, const char *pAttributeName )
|
|
{
|
|
CDmxElement *pElement = m_ElementDict.GetElement( hElement );
|
|
if ( pElement->HasAttribute( pAttributeName ) )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Attribute \"%s\" was defined more than once.\n", pAttributeName );
|
|
return false;
|
|
}
|
|
|
|
CDmxAttribute *pAttribute;
|
|
{
|
|
CDmxElementModifyScope modify( pElement );
|
|
pAttribute = pElement->AddAttribute( pAttributeName );
|
|
}
|
|
|
|
// Arrays first must have a '[' specified
|
|
TokenType_t token;
|
|
CUtlBuffer tokenBuf;
|
|
CUtlCharConversion *pConv;
|
|
token = ReadToken( buf, tokenBuf );
|
|
if ( token != TOKEN_OPEN_BRACKET )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting '[', didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
int nElementIndex = 0;
|
|
|
|
// Now read a list of array values, separated by commas
|
|
while ( buf.IsValid() )
|
|
{
|
|
token = ReadToken( buf, tokenBuf );
|
|
if ( token == TOKEN_INVALID || token == TOKEN_EOF )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting ']', didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
// Then, keep reading until we hit a ']'
|
|
if ( token == TOKEN_CLOSE_BRACKET )
|
|
break;
|
|
|
|
// If we've already read in an array value, we need to read a comma next
|
|
if ( nElementIndex > 0 )
|
|
{
|
|
if ( token != TOKEN_COMMA )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting ',', didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
// Read in the next thing, which should be a value
|
|
token = ReadToken( buf, tokenBuf );
|
|
}
|
|
|
|
// Ok, we must be reading an array type value
|
|
if ( token != TOKEN_DELIMITED_STRING )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting element type, didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
// Get the element type out
|
|
pConv = GetCStringCharConversion();
|
|
int nLength = tokenBuf.PeekDelimitedStringLength( pConv );
|
|
char *pElementType = (char*)stackalloc( nLength * sizeof(char) );
|
|
tokenBuf.GetDelimitedString( pConv, pElementType, nLength );
|
|
|
|
// Use the element type to figure out if we're using a element reference or an inlined element
|
|
if ( !Q_strncmp( pElementType, g_pAttributeTypeName[AT_ELEMENT], nLength ) )
|
|
{
|
|
token = ReadToken( buf, tokenBuf );
|
|
|
|
// Ok, we must be reading an array type value
|
|
if ( token != TOKEN_DELIMITED_STRING )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting element reference, didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
// Get the element type out
|
|
pConv = GetCStringCharConversion();
|
|
nLength = tokenBuf.PeekDelimitedStringLength( pConv );
|
|
char *pElementId = (char*)stackalloc( nLength * sizeof(char) );
|
|
tokenBuf.GetDelimitedString( pConv, pElementId, nLength );
|
|
|
|
DmObjectId_t id;
|
|
if ( !UniqueIdFromString( &id, pElementId ) )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Encountered invalid element ID data!" );
|
|
return false;
|
|
}
|
|
|
|
Assert( IsUniqueIdValid( id ) );
|
|
m_ElementDict.AddArrayAttribute( pAttribute, id );
|
|
}
|
|
else
|
|
{
|
|
DmxElementDictHandle_t hArrayElement;
|
|
bool bOk = UnserializeElement( buf, pElementType, &hArrayElement );
|
|
if ( !bOk )
|
|
return false;
|
|
m_ElementDict.AddArrayAttribute( pAttribute, hArrayElement );
|
|
}
|
|
|
|
// Ok, we've read in another value
|
|
++nElementIndex;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Unserializes an attribute from a token buffer
|
|
//-----------------------------------------------------------------------------
|
|
bool CDmxSerializerKeyValues2::UnserializeAttributeValueFromToken( CDmxAttribute *pAttribute, DmAttributeType_t type, CUtlBuffer &tokenBuf )
|
|
{
|
|
// NOTE: This code is necessary because the attribute code is using Scanf
|
|
// which is not really friendly toward delimiters, so we must pass in
|
|
// non-delimited buffers. Sucky. There must be a better way of doing this
|
|
const char *pBuf = (const char*)tokenBuf.Base();
|
|
int nLength = tokenBuf.TellMaxPut();
|
|
char *pTemp = (char*)stackalloc( nLength + 1 );
|
|
|
|
bool bIsString = ( type == AT_STRING ) || ( type == AT_STRING_ARRAY );
|
|
if ( !bIsString )
|
|
{
|
|
nLength = tokenBuf.PeekDelimitedStringLength( GetCStringCharConversion() );
|
|
tokenBuf.GetDelimitedString( GetCStringCharConversion(), pTemp, nLength + 1 );
|
|
pBuf = pTemp;
|
|
}
|
|
else
|
|
{
|
|
SetSerializationDelimiter( GetCStringCharConversion() );
|
|
}
|
|
|
|
bool bOk;
|
|
CUtlBuffer buf( pBuf, nLength, CUtlBuffer::TEXT_BUFFER | CUtlBuffer::READ_ONLY );
|
|
if ( type < AT_FIRST_ARRAY_TYPE )
|
|
{
|
|
bOk = pAttribute->Unserialize( type, buf );
|
|
}
|
|
else
|
|
{
|
|
bOk = pAttribute->UnserializeElement( type, buf );
|
|
}
|
|
|
|
if ( bIsString )
|
|
{
|
|
SetSerializationDelimiter( NULL );
|
|
}
|
|
|
|
return bOk;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Reads an attribute for an element array
|
|
//-----------------------------------------------------------------------------
|
|
bool CDmxSerializerKeyValues2::UnserializeArrayAttribute( CUtlBuffer &buf, DmxElementDictHandle_t hElement, const char *pAttributeName, DmAttributeType_t nAttrType )
|
|
{
|
|
CDmxElement *pElement = m_ElementDict.GetElement( hElement );
|
|
if ( pElement->HasAttribute( pAttributeName ) )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Encountered duplicate attribute definition for attribute \"%s\"!", pAttributeName );
|
|
return false;
|
|
}
|
|
|
|
CDmxAttribute *pAttribute;
|
|
{
|
|
CDmxElementModifyScope modify( pElement );
|
|
pAttribute = pElement->AddAttribute( pAttributeName );
|
|
}
|
|
|
|
// Arrays first must have a '[' specified
|
|
TokenType_t token;
|
|
CUtlBuffer tokenBuf;
|
|
token = ReadToken( buf, tokenBuf );
|
|
if ( token != TOKEN_OPEN_BRACKET )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting '[', didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
int nElementIndex = 0;
|
|
|
|
// Now read a list of array values, separated by commas
|
|
while ( buf.IsValid() )
|
|
{
|
|
token = ReadToken( buf, tokenBuf );
|
|
if ( token == TOKEN_INVALID || token == TOKEN_EOF )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting ']', didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
// Then, keep reading until we hit a ']'
|
|
if ( token == TOKEN_CLOSE_BRACKET )
|
|
break;
|
|
|
|
// If we've already read in an array value, we need to read a comma next
|
|
if ( nElementIndex > 0 )
|
|
{
|
|
if ( token != TOKEN_COMMA )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting ',', didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
// Read in the next thing, which should be a value
|
|
token = ReadToken( buf, tokenBuf );
|
|
}
|
|
|
|
// Ok, we must be reading an attributearray value
|
|
if ( token != TOKEN_DELIMITED_STRING )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting array attribute value, didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
if ( !UnserializeAttributeValueFromToken( pAttribute, nAttrType, tokenBuf ) )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError("Error reading in array attribute \"%s\" element %d", pAttributeName, nElementIndex );
|
|
return false;
|
|
}
|
|
|
|
// Ok, we've read in another value
|
|
++nElementIndex;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Reads an attribute for an element
|
|
//-----------------------------------------------------------------------------
|
|
bool CDmxSerializerKeyValues2::UnserializeAttribute( CUtlBuffer &buf,
|
|
DmxElementDictHandle_t hElement, const char *pAttributeName, DmAttributeType_t nAttrType )
|
|
{
|
|
// Read the attribute value
|
|
CUtlBuffer tokenBuf;
|
|
TokenType_t token = ReadToken( buf, tokenBuf );
|
|
if ( token != TOKEN_DELIMITED_STRING )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting quoted attribute value for attribute \"%s\", didn't find one!", pAttributeName );
|
|
return false;
|
|
}
|
|
|
|
CDmxElement *pElement = m_ElementDict.GetElement( hElement );
|
|
if ( ( nAttrType == AT_OBJECTID ) && !Q_strnicmp( pAttributeName, "id", 3 ) )
|
|
{
|
|
CUtlCharConversion *pConv = GetCStringCharConversion();
|
|
int nLength = tokenBuf.PeekDelimitedStringLength( pConv );
|
|
char *pElementId = (char*)stackalloc( nLength * sizeof(char) );
|
|
tokenBuf.GetDelimitedString( pConv, pElementId, nLength );
|
|
|
|
DmObjectId_t id;
|
|
if ( !UniqueIdFromString( &id, pElementId ) )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Encountered invalid element ID data!" );
|
|
return false;
|
|
}
|
|
|
|
m_ElementDict.SetElementId( hElement, id );
|
|
pElement->SetId( id );
|
|
return true;
|
|
}
|
|
|
|
if ( pElement->HasAttribute( pAttributeName ) )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Encountered duplicate attribute definition for attribute \"%s\"!", pAttributeName );
|
|
return false;
|
|
}
|
|
|
|
CDmxAttribute *pAttribute;
|
|
{
|
|
CDmxElementModifyScope modify( pElement );
|
|
pAttribute = pElement->AddAttribute( pAttributeName );
|
|
}
|
|
|
|
switch( nAttrType )
|
|
{
|
|
case AT_ELEMENT:
|
|
{
|
|
// Get the attribute value out
|
|
CUtlCharConversion *pConv = GetCStringCharConversion();
|
|
int nLength = tokenBuf.PeekDelimitedStringLength( pConv );
|
|
char *pAttributeValue = (char*)stackalloc( nLength * sizeof(char) );
|
|
tokenBuf.GetDelimitedString( pConv, pAttributeValue, nLength );
|
|
|
|
// No string? that's ok, it means we have a NULL pointer
|
|
if ( !pAttributeValue[0] )
|
|
return true;
|
|
|
|
DmObjectId_t id;
|
|
if ( !UniqueIdFromString( &id, pAttributeValue ) )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError("Invalid format for element ID encountered for attribute \"%s\"", pAttributeName );
|
|
return false;
|
|
}
|
|
|
|
m_ElementDict.AddAttribute( pAttribute, id );
|
|
}
|
|
return true;
|
|
|
|
default:
|
|
if ( UnserializeAttributeValueFromToken( pAttribute, nAttrType, tokenBuf ) )
|
|
return true;
|
|
|
|
g_KeyValues2ErrorStack.ReportError("Error reading attribute \"%s\"", pAttributeName );
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Unserializes a single element given the type name
|
|
//-----------------------------------------------------------------------------
|
|
bool CDmxSerializerKeyValues2::UnserializeElement( CUtlBuffer &buf, const char *pElementType, DmxElementDictHandle_t *pHandle )
|
|
{
|
|
*pHandle = ELEMENT_DICT_HANDLE_INVALID;
|
|
|
|
// Create the element
|
|
DmxElementDictHandle_t hElement = CreateDmxElement( pElementType );
|
|
|
|
// Report errors relative to this type name
|
|
CKeyValues2ErrorContext errorReport( pElementType );
|
|
|
|
TokenType_t token;
|
|
CUtlBuffer tokenBuf;
|
|
CUtlCharConversion *pConv;
|
|
int nLength;
|
|
|
|
// Then we expect a '{'
|
|
token = ReadToken( buf, tokenBuf );
|
|
if ( token != TOKEN_OPEN_BRACE )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting '{', didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
while ( buf.IsValid() )
|
|
{
|
|
token = ReadToken( buf, tokenBuf );
|
|
if ( token == TOKEN_INVALID || token == TOKEN_EOF )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting '}', didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
// Then, keep reading until we hit a '}'
|
|
if ( token == TOKEN_CLOSE_BRACE )
|
|
break;
|
|
|
|
// Ok, we must be reading an attribute
|
|
if ( token != TOKEN_DELIMITED_STRING )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting attribute name, didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
// First, read an attribute name
|
|
pConv = GetCStringCharConversion();
|
|
nLength = tokenBuf.PeekDelimitedStringLength( pConv );
|
|
char *pAttributeName = (char*)stackalloc( nLength * sizeof(char) );
|
|
tokenBuf.GetDelimitedString( pConv, pAttributeName, nLength );
|
|
|
|
// Next, read an attribute type
|
|
token = ReadToken( buf, tokenBuf );
|
|
if ( token != TOKEN_DELIMITED_STRING )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting attribute type for attribute %s, didn't find it!", pAttributeName );
|
|
return false;
|
|
}
|
|
|
|
pConv = GetCStringCharConversion();
|
|
nLength = tokenBuf.PeekDelimitedStringLength( pConv );
|
|
char *pAttributeType = (char*)stackalloc( nLength * sizeof(char) );
|
|
tokenBuf.GetDelimitedString( pConv, pAttributeType, nLength );
|
|
|
|
DmAttributeType_t nAttrType = AT_UNKNOWN;
|
|
for ( int i = 0; i < AT_TYPE_COUNT; ++i )
|
|
{
|
|
if ( !Q_stricmp( g_pAttributeTypeName[i], pAttributeType ) )
|
|
{
|
|
nAttrType = (DmAttributeType_t)i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Next, read an attribute value
|
|
bool bOk = true;
|
|
switch( nAttrType )
|
|
{
|
|
case AT_UNKNOWN:
|
|
bOk = UnserializeElementAttribute( buf, hElement, pAttributeName, pAttributeType );
|
|
break;
|
|
|
|
case AT_ELEMENT_ARRAY:
|
|
bOk = UnserializeElementArrayAttribute( buf, hElement, pAttributeName );
|
|
break;
|
|
|
|
default:
|
|
if ( nAttrType >= AT_FIRST_ARRAY_TYPE )
|
|
{
|
|
bOk = UnserializeArrayAttribute( buf, hElement, pAttributeName, nAttrType );
|
|
}
|
|
else
|
|
{
|
|
bOk = UnserializeAttribute( buf, hElement, pAttributeName, nAttrType );
|
|
}
|
|
break;
|
|
}
|
|
|
|
if ( !bOk )
|
|
return false;
|
|
}
|
|
|
|
*pHandle = hElement;
|
|
return true;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Unserializes a single element
|
|
//-----------------------------------------------------------------------------
|
|
bool CDmxSerializerKeyValues2::UnserializeElement( CUtlBuffer &buf, DmxElementDictHandle_t *pHandle )
|
|
{
|
|
*pHandle = ELEMENT_DICT_HANDLE_INVALID;
|
|
|
|
// First, read the type name
|
|
CUtlBuffer tokenBuf;
|
|
CUtlCharConversion* pConv;
|
|
|
|
TokenType_t token = ReadToken( buf, tokenBuf );
|
|
if ( token == TOKEN_INVALID )
|
|
return false;
|
|
|
|
if ( token == TOKEN_EOF )
|
|
return true;
|
|
|
|
// Get the type name out
|
|
if ( token != TOKEN_DELIMITED_STRING )
|
|
{
|
|
g_KeyValues2ErrorStack.ReportError( "Expecting element type name, didn't find it!" );
|
|
return false;
|
|
}
|
|
|
|
pConv = GetCStringCharConversion();
|
|
int nLength = tokenBuf.PeekDelimitedStringLength( pConv );
|
|
char *pTypeName = (char*)stackalloc( nLength * sizeof(char) );
|
|
tokenBuf.GetDelimitedString( pConv, pTypeName, nLength );
|
|
|
|
return UnserializeElement( buf, pTypeName, pHandle );
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Main entry point for the unserialization
|
|
//-----------------------------------------------------------------------------
|
|
bool CDmxSerializerKeyValues2::Unserialize( const char *pFileName, CUtlBuffer &buf, CDmxElement **ppRoot )
|
|
{
|
|
*ppRoot = NULL;
|
|
|
|
g_KeyValues2ErrorStack.SetFilename( pFileName );
|
|
m_hRoot = ELEMENT_DICT_HANDLE_INVALID;
|
|
m_ElementDict.Clear();
|
|
|
|
bool bOk = true;
|
|
while ( buf.IsValid() )
|
|
{
|
|
DmxElementDictHandle_t h;
|
|
bOk = UnserializeElement( buf, &h );
|
|
if ( !bOk || ( h == ELEMENT_DICT_HANDLE_INVALID ) )
|
|
break;
|
|
|
|
if ( m_hRoot == ELEMENT_DICT_HANDLE_INVALID )
|
|
{
|
|
m_hRoot = h;
|
|
}
|
|
}
|
|
|
|
// do this *before* getting the root, since the first element might be deleted due to id conflicts
|
|
m_ElementDict.HookUpElementReferences();
|
|
|
|
*ppRoot = m_ElementDict.GetElement( m_hRoot );
|
|
m_ElementDict.Clear();
|
|
|
|
if ( !bOk )
|
|
{
|
|
CleanupDMX( *ppRoot );
|
|
*ppRoot = NULL;
|
|
}
|
|
|
|
return bOk;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Unserialization entry point for text files (assumes version has been stripped)
|
|
//-----------------------------------------------------------------------------
|
|
bool UnserializeTextDMX( const char *pFileName, CUtlBuffer &buf, CDmxElement **ppRoot )
|
|
{
|
|
CDmxSerializerKeyValues2 dmxUnserializer;
|
|
return dmxUnserializer.Unserialize( pFileName, buf, ppRoot );
|
|
}
|
|
|
|
|
|
bool SerializeTextDMX( const char *pFileName, CUtlBuffer &buf, CDmxElement *pRoot )
|
|
{
|
|
CDmxSerializerKeyValues2 dmxSerializer;
|
|
return dmxSerializer.Serialize( buf, pRoot, pFileName );
|
|
}
|