Initial community commit

1 files changed, 147 insertions, 0 deletions

diff --git a/Src/Plugins/Library/ml_nowplaying/common.cpp b/Src/Plugins/Library/ml_nowplaying/common.cpp
new file mode 100644
index 00000000..f6d2f03c
--- /dev/null
+++ b/Src/Plugins/Library/ml_nowplaying/common.cpp
@@ -0,0 +1,147 @@
+#include "./common.h"
+#include "./wasabi.h"
+
+#include <strsafe.h>
+
+LPWSTR Plugin_MallocString(size_t cchLen)
+{
+	return (LPWSTR)calloc(cchLen, sizeof(WCHAR));
+}
+
+void Plugin_FreeString(LPWSTR pszString)
+{
+	if (NULL != pszString)
+	{
+		free(pszString);
+	}
+}
+
+LPWSTR Plugin_ReAllocString(LPWSTR pszString, size_t cchLen)
+{
+	return (LPWSTR)realloc(pszString, sizeof(WCHAR) * cchLen);
+}
+
+LPWSTR Plugin_CopyString(LPCWSTR pszSource)
+{
+	if (NULL == pszSource)
+		return NULL;
+
+	INT cchSource = lstrlenW(pszSource) + 1;
+		
+	LPWSTR copy = Plugin_MallocString(cchSource);
+	if (NULL != copy)
+	{
+		CopyMemory(copy, pszSource, sizeof(WCHAR) * cchSource);
+	}
+	return copy;
+}
+
+LPSTR Plugin_MallocAnsiString(size_t cchLen)
+{
+	return (LPSTR)calloc(cchLen, sizeof(CHAR));
+}
+
+LPSTR Plugin_CopyAnsiString(LPCSTR pszSource)
+{
+	if (NULL == pszSource)
+		return NULL;
+
+	INT cchSource = lstrlenA(pszSource) + 1;
+		
+	LPSTR copy = Plugin_MallocAnsiString(cchSource);
+	if (NULL != copy)
+	{
+		CopyMemory(copy, pszSource, sizeof(CHAR) * cchSource);
+	}
+	return copy;
+
+}
+void Plugin_FreeAnsiString(LPSTR pszString)
+{
+	Plugin_FreeString((LPWSTR)pszString);
+}
+
+LPSTR Plugin_WideCharToMultiByte(UINT codePage, DWORD dwFlags, LPCWSTR lpWideCharStr, INT cchWideChar, LPCSTR lpDefaultChar, LPBOOL lpUsedDefaultChar)
+{
+	INT cchBuffer = WideCharToMultiByte(codePage, dwFlags, lpWideCharStr, cchWideChar, NULL, 0, lpDefaultChar, lpUsedDefaultChar);
+	if (0 == cchBuffer) return NULL;
+	
+	LPSTR buffer = Plugin_MallocAnsiString(cchBuffer);
+	if (NULL == buffer) return NULL; 
+		
+	if (0 == WideCharToMultiByte(codePage, dwFlags, lpWideCharStr, cchWideChar, buffer, cchBuffer, lpDefaultChar, lpUsedDefaultChar))
+	{
+		Plugin_FreeAnsiString(buffer);
+		return NULL;
+	}
+	return buffer;
+}
+
+LPWSTR Plugin_MultiByteToWideChar(UINT codePage, DWORD dwFlags, LPCSTR lpMultiByteStr, INT cbMultiByte)
+{
+	if (NULL == lpMultiByteStr) return NULL;
+	INT cchBuffer = MultiByteToWideChar(codePage, dwFlags, lpMultiByteStr, cbMultiByte, NULL, 0);
+	if (NULL == cchBuffer) return NULL;
+	
+	if (cbMultiByte > 0) cchBuffer++;
+	
+	LPWSTR buffer = Plugin_MallocString(cchBuffer);
+	if (NULL == buffer) return NULL;
+
+	if (0 == MultiByteToWideChar(codePage, dwFlags, lpMultiByteStr, cbMultiByte, buffer, cchBuffer))
+	{
+		Plugin_FreeString(buffer);
+		return NULL;
+	}
+
+	if (cbMultiByte > 0)
+	{
+		buffer[cchBuffer - 1] = L'\0';
+	}
+	return buffer;
+}
+
+
+LPWSTR Plugin_DuplicateResString(LPCWSTR pszResource)
+{
+	return (IS_INTRESOURCE(pszResource)) ? 
+			(LPWSTR)pszResource : 
+			Plugin_CopyString(pszResource);
+}
+
+void Plugin_FreeResString(LPWSTR pszResource)
+{
+	if (!IS_INTRESOURCE(pszResource))
+		Plugin_FreeString(pszResource);
+}
+
+HRESULT Plugin_CopyResString(LPWSTR pszBuffer, INT cchBufferMax, LPCWSTR pszString)
+{
+	if (NULL == pszBuffer)
+		return E_INVALIDARG;
+
+	HRESULT hr = S_OK;
+
+	if (NULL == pszString)
+	{
+		pszBuffer[0] = L'\0';
+	}
+	else if (IS_INTRESOURCE(pszString))
+	{
+		if (NULL == WASABI_API_LNG)
+			hr = E_FAIL;
+		else
+			WASABI_API_LNGSTRINGW_BUF((INT)(INT_PTR)pszString, pszBuffer, cchBufferMax);
+	}
+	else
+	{
+		hr = StringCchCopy(pszBuffer, cchBufferMax, pszString);
+	}
+	return hr;
+}
+
+void Plugin_SafeRelease(IUnknown *pUnk)
+{
+	if (NULL != pUnk)
+		pUnk->Release();
+}
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