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/*
Copyright (c) by respective owners including Yahoo!, Microsoft, and
individual contributors. All rights reserved. Released under a BSD
license as described in the file LICENSE.
*/
#ifndef VWDLL_H
#define VWDLL_H
#define VW_CALLING_CONV __stdcall
#ifdef VWDLL_EXPORTS
#define VW_DLL_MEMBER __declspec(dllexport)
#else
#define VW_DLL_MEMBER __declspec(dllimport)
#endif
#ifdef __cplusplus
extern "C"
{
#endif
typedef void * VW_HANDLE;
typedef void * VW_EXAMPLE;
typedef void * VW_LABEL;
typedef void * VW_FEATURE_SPACE;
typedef void * VW_FLAT_EXAMPLE;
const VW_HANDLE INVALID_VW_HANDLE = NULL;
const VW_HANDLE INVALID_VW_EXAMPLE = NULL;
VW_DLL_MEMBER VW_HANDLE VW_CALLING_CONV VW_Initialize(const char16_t * pstrArgs);
VW_DLL_MEMBER VW_HANDLE VW_CALLING_CONV VW_InitializeA(const char * pstrArgs);
VW_DLL_MEMBER void VW_CALLING_CONV VW_Finish(VW_HANDLE handle);
VW_DLL_MEMBER VW_EXAMPLE VW_CALLING_CONV VW_ImportExample(VW_HANDLE handle, VW_FEATURE_SPACE * features, size_t len);
VW_DLL_MEMBER VW_FEATURE_SPACE VW_CALLING_CONV VW_ExportExample(VW_HANDLE handle, VW_EXAMPLE e, size_t* plen);
VW_DLL_MEMBER void VW_CALLING_CONV VW_ReleaseFeatureSpace(VW_FEATURE_SPACE * features, size_t len);
VW_DLL_MEMBER VW_EXAMPLE VW_CALLING_CONV VW_ReadExample(VW_HANDLE handle, const char16_t * line);
VW_DLL_MEMBER VW_EXAMPLE VW_CALLING_CONV VW_ReadExampleA(VW_HANDLE handle, const char * line);
VW_DLL_MEMBER void VW_CALLING_CONV VW_StartParser(VW_HANDLE handle, bool do_init);
VW_DLL_MEMBER void VW_CALLING_CONV VW_EndParser(VW_HANDLE handle);
VW_DLL_MEMBER VW_EXAMPLE VW_CALLING_CONV VW_GetExample(VW_HANDLE handle);
VW_DLL_MEMBER VW_LABEL VW_CALLING_CONV VW_GetLabelExample(VW_HANDLE handle, VW_EXAMPLE e);
VW_DLL_MEMBER void VW_CALLING_CONV VW_FinishExample(VW_HANDLE handle, VW_EXAMPLE e);
VW_DLL_MEMBER size_t VW_CALLING_CONV VW_HashSpace(VW_HANDLE handle, const char16_t * s);
VW_DLL_MEMBER size_t VW_CALLING_CONV VW_HashSpaceA(VW_HANDLE handle, const char * s);
VW_DLL_MEMBER size_t VW_CALLING_CONV VW_HashFeature(VW_HANDLE handle, const char16_t * s, unsigned long u);
VW_DLL_MEMBER size_t VW_CALLING_CONV VW_HashFeatureA(VW_HANDLE handle, const char * s, unsigned long u);
VW_DLL_MEMBER float VW_CALLING_CONV VW_Learn(VW_HANDLE handle, VW_EXAMPLE e);
VW_DLL_MEMBER void VW_CALLING_CONV VW_AddLabel(VW_EXAMPLE e, float label, float weight, float base);
VW_DLL_MEMBER float VW_CALLING_CONV VW_Get_Weight(VW_HANDLE handle, size_t index, size_t offset);
VW_DLL_MEMBER void VW_CALLING_CONV VW_Set_Weight(VW_HANDLE handle, size_t index, size_t offset, float value);
VW_DLL_MEMBER size_t VW_CALLING_CONV VW_Num_Weights(VW_HANDLE handle);
VW_DLL_MEMBER size_t VW_CALLING_CONV VW_Get_Stride(VW_HANDLE handle);
VW_DLL_MEMBER VW_FLAT_EXAMPLE VW_CALLING_CONV VW_FlattenExample(VW_HANDLE handle, VW_EXAMPLE e);
VW_DLL_MEMBER void VW_CALLING_CONV VW_FreeFlattenExample(VW_FLAT_EXAMPLE fec);
#ifdef __cplusplus
}
#endif
#endif /* VWDLL_H */
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