Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

base/applications/cmdutils/clip/clip.c

@@ -0,0 +1,130 @@
+/*
+ * COPYRIGHT:       See COPYING in the top level directory
+ * PROJECT:         ReactOS Clip Command
+ * FILE:            base/applications/cmdutils/clip/clip.c
+ * PURPOSE:         Provides clipboard management for command-line programs.
+ * PROGRAMMERS:     Ricardo Hanke
+ */
+
+#include <stdio.h>
+
+#include <windef.h>
+#include <winbase.h>
+#include <winuser.h>
+
+#include <conutils.h>
+
+#include "resource.h"
+
+VOID PrintError(DWORD dwError)
+{
+    if (dwError == ERROR_SUCCESS)
+        return;
+
+    ConMsgPuts(StdErr, FORMAT_MESSAGE_FROM_SYSTEM,
+               NULL, dwError, LANG_USER_DEFAULT);
+}
+
+static BOOL IsDataUnicode(HGLOBAL hGlobal)
+{
+    BOOL bReturn;
+    LPVOID lpBuffer;
+
+    lpBuffer = GlobalLock(hGlobal);
+    bReturn = IsTextUnicode(lpBuffer, GlobalSize(hGlobal), NULL);
+    GlobalUnlock(hGlobal);
+
+    return bReturn;
+}
+
+int wmain(int argc, wchar_t** argv)
+{
+    HANDLE hInput;
+    DWORD dwBytesRead;
+    BOOL bStatus;
+    HGLOBAL hBuffer;
+    HGLOBAL hTemp;
+    LPBYTE lpBuffer;
+    SIZE_T dwSize = 0;
+
+    /* Initialize the Console Standard Streams */
+    hInput = GetStdHandle(STD_INPUT_HANDLE);
+    ConInitStdStreams();
+
+    /* Check for usage */
+    if (argc > 1 && wcsncmp(argv[1], L"/?", 2) == 0)
+    {
+        ConResPuts(StdOut, IDS_HELP);
+        return 0;
+    }
+
+    if (GetFileType(hInput) == FILE_TYPE_CHAR)
+    {
+        ConResPuts(StdOut, IDS_USAGE);
+        return 0;
+    }
+
+    /* Initialize a growable buffer for holding clipboard data */
+    hBuffer = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, 4096);
+    if (!hBuffer)
+        goto Failure;
+
+    /*
+     * Read data from the input stream by chunks of 4096 bytes
+     * and resize the buffer each time when needed.
+     */
+    do
+    {
+        lpBuffer = GlobalLock(hBuffer);
+        if (!lpBuffer)
+            goto Failure;
+
+        bStatus = ReadFile(hInput, lpBuffer + dwSize, 4096, &dwBytesRead, NULL);
+        dwSize += dwBytesRead;
+        GlobalUnlock(hBuffer);
+
+        hTemp = GlobalReAlloc(hBuffer, GlobalSize(hBuffer) + 4096, GMEM_ZEROINIT);
+        if (!hTemp)
+            goto Failure;
+
+        hBuffer = hTemp;
+    }
+    while (bStatus && dwBytesRead > 0);
+
+    /*
+     * Resize the buffer to the total size of data read.
+     * Note that, if the call fails, we still have the old buffer valid.
+     * The old buffer would be larger than the actual size of data it contains,
+     * but this is not a problem for us.
+     */
+    hTemp = GlobalReAlloc(hBuffer, dwSize + sizeof(WCHAR), GMEM_ZEROINIT);
+    if (hTemp)
+        hBuffer = hTemp;
+
+    /* Attempt to open the clipboard */
+    if (!OpenClipboard(NULL))
+        goto Failure;
+
+    /* Empty it, copy our data, then close it */
+
+    EmptyClipboard();
+
+    if (IsDataUnicode(hBuffer))
+    {
+        SetClipboardData(CF_UNICODETEXT, hBuffer);
+    }
+    else
+    {
+        // TODO: Convert text from current console page to standard ANSI.
+        // Alternatively one can use CF_OEMTEXT as done here.
+        SetClipboardData(CF_OEMTEXT, hBuffer);
+    }
+
+    CloseClipboard();
+    return 0;
+
+Failure:
+    if (hBuffer) GlobalFree(hBuffer);
+    PrintError(GetLastError());
+    return -1;
+}