diff options
Diffstat (limited to 'Src/Winamp/JSAPI.h')
| -rw-r--r-- | Src/Winamp/JSAPI.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Src/Winamp/JSAPI.h b/Src/Winamp/JSAPI.h new file mode 100644 index 00000000..a870f081 --- /dev/null +++ b/Src/Winamp/JSAPI.h @@ -0,0 +1,36 @@ +#pragma once + +// helper functions for IDispatch +#define JSAPI_PARAM_INDEX(paramInfo, paramNumber) (paramInfo->cArgs - paramNumber) +#define JSAPI_PARAM_EXISTS(paramInfo, paramNumber) (paramInfo->cArgs >= paramNumber) +#define JSAPI_NUM_PARAMS(paramInfo) (paramInfo->cArgs) +#define JSAPI_VERIFY_PARAMCOUNT(paramInfo, count) if (paramInfo->cArgs != count) return DISP_E_BADPARAMCOUNT +#define JSAPI_VERIFY_PARAMCOUNT_OPTIONAL(paramInfo, minParams, maxParams) if (paramInfo->cArgs < minParams || paramInfo->cArgs > maxParams) return DISP_E_BADPARAMCOUNT +#define JSAPI_VERIFY_PARAMTYPE(paramInfo, paramNumber, paramType, argErr) if (paramInfo->rgvarg[paramInfo->cArgs - paramNumber].vt != paramType) { *argErr = paramInfo->cArgs - paramNumber; return DISP_E_TYPEMISMATCH; } +#define JSAPI_VERIFY_PARAMTYPE_OPTIONAL(paramInfo, paramNumber, paramType, argErr) if (JSAPI_PARAM_EXISTS(paramInfo, paramNumber) && paramInfo->rgvarg[paramInfo->cArgs - paramNumber].vt != paramType) { *argErr = paramInfo->cArgs - paramNumber; return DISP_E_TYPEMISMATCH; } +#define JSAPI_GETSTRING(str, paramInfo, paramNumber, argErr) switch(paramInfo->rgvarg[paramInfo->cArgs - paramNumber].vt) { case VT_BSTR: str = paramInfo->rgvarg[paramInfo->cArgs - paramNumber].bstrVal; break; default: *argErr = paramInfo->cArgs - paramNumber; return DISP_E_TYPEMISMATCH; } +#define JSAPI_GETNUMBER_AS_STRING(str, buffer, paramInfo, paramNumber, argErr) \ + if (JSAPI_PARAM(paramInfo, paramNumber).vt == VT_I4) {\ + int val_int = JSAPI_PARAM(paramInfo, paramNumber).lVal;\ + StringCbPrintfW(buffer, sizeof(buffer), L"%d", val_int);\ + str = buffer;\ + } else if (JSAPI_PARAM(paramInfo, paramNumber).vt == VT_BSTR)\ + str = JSAPI_PARAM(paramInfo, paramNumber).bstrVal;\ + else {\ + if (argErr) *argErr = paramInfo->cArgs - paramNumber;\ + return DISP_E_TYPEMISMATCH;\ + } +#define JSAPI_GETUNSIGNED_AS_NUMBER(num, paramInfo, paramNumber, argErr) \ + if (JSAPI_PARAM(paramInfo, paramNumber).vt == VT_I4) num = (UINT)JSAPI_PARAM(paramInfo, paramNumber).lVal;\ + else if (JSAPI_PARAM(paramInfo, paramNumber).vt == VT_BSTR) num = wcstoul(JSAPI_PARAM(paramInfo, paramNumber).bstrVal,0, 10); \ + else return DISP_E_TYPEMISMATCH; + + +#define JSAPI_PARAM(paramInfo, paramNumber) (paramInfo->rgvarg[paramInfo->cArgs - paramNumber]) +#define JSAPI_PARAM_OPTIONAL(paramInfo, paramNumber, dispID, opt) (JSAPI_PARAM_EXISTS(paramInfo, paramNumber)?paramInfo->rgvarg[paramInfo->cArgs - paramNumber].##dispID:(opt)) +#define JSAPI_VERIFY_METHOD(flags) if (!(wFlags & DISPATCH_METHOD)) return DISP_E_MEMBERNOTFOUND +#define JSAPI_INIT_RESULT(result, type) if (result) { VariantInit(result); V_VT(result) = type; } +#define JSAPI_SET_RESULT(result, field, value) if (result) { (result)->field = value; } +#define JSAPI_EMPTY_RESULT(result) if (result) { V_VT(result) = VT_EMPTY; } +#define JSAPI_SET_VARIANT(result, macro, value) if (result) { macro(result) = value; } +#define JSAPI_DISP_ENUMIFY(x) __jsapi__enum__ ## x |