Allow extensions to be built/installed as modules

This includes C extensions and Tcl extensions
Also adds windows support (mingw32 and cygwin)
Now the sqlite*, readline and win32 extensions are supported

Signed-off-by: Steve Bennett <steveb@workware.net.au>

1 files changed, 487 insertions, 0 deletions

diff --git a/jim-win32.c b/jim-win32.c
new file mode 100644
index 0000000..2925fb5
--- /dev/null
+++ b/jim-win32.c
@@ -0,0 +1,487 @@
+/* WIN32 extension
+ *
+ * Copyright (C) 2005 Pat Thoyts <patthoyts@users.sourceforge.net>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * A copy of the license is also included in the source distribution
+ * of Jim, as a TXT file name called LICENSE.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <jim.h>
+#include <shellapi.h>
+#include <lmcons.h>
+#include <psapi.h>
+#include <ctype.h>
+
+#if _MSC_VER >= 1000
+#pragma comment(lib, "shell32")
+#pragma comment(lib, "user32")
+#pragma comment(lib, "advapi32")
+#pragma comment(lib, "psapi")
+#endif /* _MSC_VER >= 1000 */
+
+static Jim_Obj *
+Win32ErrorObj(Jim_Interp *interp, const char * szPrefix, DWORD dwError)
+{
+    Jim_Obj *msgObj = NULL;
+    char * lpBuffer = NULL;
+    DWORD  dwLen = 0;
+
+    dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
+        | FORMAT_MESSAGE_FROM_SYSTEM, NULL, dwError, LANG_NEUTRAL,
+        (char *)&lpBuffer, 0, NULL);
+    if (dwLen < 1) {
+        dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
+            | FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY,
+            "code 0x%1!08X!%n", 0, LANG_NEUTRAL,
+            (char *)&lpBuffer, 0, (va_list *)&dwError);
+    }
+
+    msgObj = Jim_NewStringObj(interp, szPrefix, -1);
+    if (dwLen > 0) {
+        char *p = lpBuffer + dwLen - 1;        /* remove cr-lf at end */
+        for ( ; p && *p && isspace((unsigned)*p); p--)
+            ;
+        *++p = 0;
+        Jim_AppendString(interp, msgObj, ": ", 2);
+        Jim_AppendString(interp, msgObj, lpBuffer, -1);
+    }
+    LocalFree((HLOCAL)lpBuffer);
+    return msgObj;
+}
+
+/* win32.ShellExecute verb file args */
+static int
+Win32_ShellExecute(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    int r;
+    const char *verb, *file, *parm = NULL;
+    char cwd[MAX_PATH + 1];
+
+    if (objc < 3 || objc > 4) {
+        Jim_WrongNumArgs(interp, 1, objv, "verb path ?parameters?");
+        return JIM_ERR;
+    }
+    verb = Jim_GetString(objv[1], NULL);
+    file = Jim_GetString(objv[2], NULL);
+    GetCurrentDirectoryA(MAX_PATH + 1, cwd);
+    if (objc == 4)
+        parm = Jim_GetString(objv[3], NULL);
+    r = (int)ShellExecuteA(NULL, verb, file, parm, cwd, SW_SHOWNORMAL);
+    if (r < 33)
+        Jim_SetResult(interp,
+            Win32ErrorObj(interp, "ShellExecute", GetLastError()));
+    return (r < 33) ? JIM_ERR : JIM_OK;
+}
+
+
+/* win32.FindWindow title ?class? */
+static int
+Win32_FindWindow(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    const char *title = NULL, *class = NULL;
+    HWND hwnd = NULL;
+    int r = JIM_OK;
+
+    if (objc < 2 || objc > 3) {
+        Jim_WrongNumArgs(interp, 1, objv, "title ?class?");
+        return JIM_ERR;
+    }
+    title = Jim_GetString(objv[1], NULL);
+    if (objc == 3)
+        class = Jim_GetString(objv[2], NULL);
+    hwnd = FindWindowA(class, title);
+
+    if (hwnd == NULL) {
+        Jim_SetResult(interp,
+            Win32ErrorObj(interp, "FindWindow", GetLastError()));
+        r = JIM_ERR;
+    } else {
+        Jim_SetResult(interp, Jim_NewIntObj(interp, (long)hwnd));
+    }
+    return r;
+}
+
+/* win32.CloseWindow windowHandle */
+static int
+Win32_CloseWindow(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    long hwnd;
+
+    if (objc != 2) {
+        Jim_WrongNumArgs(interp, 1, objv, "?windowHandle?");
+        return JIM_ERR;
+    }
+    if (Jim_GetLong(interp, objv[1], &hwnd) != JIM_OK)
+        return JIM_ERR;
+    if (!CloseWindow((HWND)hwnd)) {
+        Jim_SetResult(interp,
+            Win32ErrorObj(interp, "CloseWindow", GetLastError()));
+        return JIM_ERR;
+    }
+    return JIM_OK;
+}
+
+static int
+Win32_GetActiveWindow(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    Jim_SetResult(interp, Jim_NewIntObj(interp, (DWORD)GetActiveWindow()));
+    return JIM_OK;
+}
+
+static int
+Win32_SetActiveWindow(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    HWND hwnd, old;
+    int r = JIM_OK;
+
+    if (objc != 2) {
+        Jim_WrongNumArgs(interp, 1, objv, "windowHandle");
+        return JIM_ERR;
+    }
+    r = Jim_GetLong(interp, objv[1], (long *)&hwnd);
+    if (r == JIM_OK) {
+        old = SetActiveWindow(hwnd);
+        if (old == NULL) {
+            Jim_SetResult(interp,
+                Win32ErrorObj(interp, "SetActiveWindow", GetLastError()));
+            r = JIM_ERR;
+        } else {
+            Jim_SetResult(interp, Jim_NewIntObj(interp, (long)old));
+        }
+    }
+    return r;
+}
+
+static int
+Win32_SetForegroundWindow(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    HWND hwnd;
+    int r = JIM_OK;
+
+    if (objc != 2) {
+        Jim_WrongNumArgs(interp, 1, objv, "windowHandle");
+        return JIM_ERR;
+    }
+    r = Jim_GetLong(interp, objv[1], (long *)&hwnd);
+    if (r == JIM_OK) {
+        if (!SetForegroundWindow(hwnd)) {
+            Jim_SetResult(interp,
+                Win32ErrorObj(interp, "SetForegroundWindow", GetLastError()));
+            r = JIM_ERR;
+        }
+    }
+    return r;
+}
+
+static int
+Win32_Beep(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    long freq, duration;
+    int r = JIM_OK;
+
+    if (objc != 3) {
+        Jim_WrongNumArgs(interp, 1, objv, "freq duration");
+        return JIM_ERR;
+    }
+    r = Jim_GetLong(interp, objv[1], &freq);
+    if (r == JIM_OK)
+        r = Jim_GetLong(interp, objv[2], &duration);
+    if (freq < 0x25) freq = 0x25;
+    if (freq > 0x7fff) freq = 0x7fff;
+    if (r == JIM_OK) {
+        if (!Beep(freq, duration)) {
+            Jim_SetResult(interp,
+                Win32ErrorObj(interp, "Beep", GetLastError()));
+            r = JIM_ERR;
+        }
+    }
+    return r;
+}
+
+static int
+Win32_GetComputerName(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    char name[MAX_COMPUTERNAME_LENGTH + 1];
+    DWORD size = MAX_COMPUTERNAME_LENGTH;
+    int r = JIM_OK;
+
+    if (objc != 1) {
+        Jim_WrongNumArgs(interp, 1, objv, "");
+        return JIM_ERR;
+    }
+
+    if (GetComputerNameA(name, &size)) {
+        Jim_Obj *nameObj = Jim_NewStringObj(interp, name, size);
+        Jim_SetResult(interp, nameObj);
+    } else {
+        Jim_SetResult(interp,
+            Win32ErrorObj(interp, "GetComputerName", GetLastError()));
+        r = JIM_ERR;
+    }
+
+    return r;
+}
+
+static int
+Win32_GetUserName(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    char name[UNLEN + 1];
+    DWORD size = UNLEN;
+    int r = JIM_OK;
+
+    if (objc != 1) {
+        Jim_WrongNumArgs(interp, 1, objv, "");
+        return JIM_ERR;
+    }
+
+    if (GetUserNameA(name, &size)) {
+        Jim_Obj *nameObj = Jim_NewStringObj(interp, name, size);
+        Jim_SetResult(interp, nameObj);
+    } else {
+        Jim_SetResult(interp,
+            Win32ErrorObj(interp, "GetUserName", GetLastError()));
+        r = JIM_ERR;
+    }
+
+    return r;
+}
+
+static int
+Win32_GetModuleFileName(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    HMODULE hModule = NULL;
+    char path[MAX_PATH];
+    DWORD len = 0;
+
+    if (objc > 2) {
+        Jim_WrongNumArgs(interp, 1, objv, "?moduleid?");
+        return JIM_ERR;
+    }
+
+    if (objc == 2) {
+        if (Jim_GetLong(interp, objv[1], (long *)&hModule) != JIM_OK) {
+            return JIM_ERR;
+        }
+    }
+
+    len = GetModuleFileNameA(hModule, path, MAX_PATH);
+    if (len != 0) {
+        Jim_Obj *pathObj = Jim_NewStringObj(interp, path, len);
+        Jim_SetResult(interp, pathObj);
+    } else {
+        Jim_SetResult(interp,
+            Win32ErrorObj(interp, "GetModuleFileName", GetLastError()));
+        return JIM_ERR;
+    }
+
+    return JIM_OK;
+}
+
+static int
+Win32_GetVersion(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    Jim_SetResult(interp, Jim_NewIntObj(interp, GetVersion()));
+    return JIM_OK;
+}
+
+static int
+Win32_GetTickCount(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    Jim_SetResult(interp, Jim_NewIntObj(interp, GetTickCount()));
+    return JIM_OK;
+}
+
+static int
+Win32_GetSystemTime(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    Jim_Obj *a[16];
+    size_t n = 0;
+    SYSTEMTIME t;
+    GetSystemTime(&t);
+
+#define JIMADD(name) \
+    a[n++] = Jim_NewStringObj(interp, #name, -1); \
+    a[n++] = Jim_NewIntObj(interp, t.w ## name )
+
+    JIMADD(Year);
+    JIMADD(Month);
+    JIMADD(DayOfWeek);
+    JIMADD(Day);
+    JIMADD(Hour);
+    JIMADD(Minute);
+    JIMADD(Second);
+    JIMADD(Milliseconds);
+#undef JIMADD
+
+    Jim_SetResult(interp, Jim_NewListObj(interp, a, n));
+    return JIM_OK;
+}
+
+/* function not available on mingw or cygwin */
+#if !defined(__MINGW32__) && !defined(__CYGWIN__)
+// FIX ME: win2k+ so should do version checks really.
+static int
+Win32_GetPerformanceInfo(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    Jim_Obj *a[26];
+    size_t n = 0;
+    PERFORMANCE_INFORMATION pi;
+
+    if (!GetPerformanceInfo(&pi, sizeof(pi))) {
+        Jim_SetResult(interp,
+            Win32ErrorObj(interp, "GetPerformanceInfo", GetLastError()));
+        return JIM_ERR;
+    }
+
+#define JIMADD(name) \
+    a[n++] = Jim_NewStringObj(interp, #name, -1); \
+    a[n++] = Jim_NewIntObj(interp, pi. name )
+
+    JIMADD(CommitTotal);
+    JIMADD(CommitLimit);
+    JIMADD(CommitPeak);
+    JIMADD(PhysicalTotal);
+    JIMADD(PhysicalAvailable);
+    JIMADD(SystemCache);
+    JIMADD(KernelTotal);
+    JIMADD(KernelPaged);
+    JIMADD(KernelNonpaged);
+    JIMADD(PageSize);
+    JIMADD(HandleCount);
+    JIMADD(ProcessCount);
+    JIMADD(ThreadCount);
+#undef JIMADD
+
+    Jim_SetResult(interp, Jim_NewListObj(interp, a, n));
+    return JIM_OK;
+}
+#endif
+
+static int
+Win32_SetComputerName(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    int r = JIM_OK;
+    const char *name;
+    if (objc != 2) {
+        Jim_WrongNumArgs(interp, 1, objv, "computername");
+        return JIM_ERR;
+    }
+    name = Jim_GetString(objv[1], NULL);
+    if (!SetComputerNameA(name)) {
+        Jim_SetResult(interp,
+            Win32ErrorObj(interp, "SetComputerName", GetLastError()));
+        r = JIM_ERR;
+    }
+    return r;
+}
+
+static int
+Win32_GetModuleHandle(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    HMODULE hModule = NULL;
+    const char *name = NULL;
+
+    if (objc < 1 || objc >  2) {
+        Jim_WrongNumArgs(interp, 1, objv, "?name?");
+        return JIM_ERR;
+    }
+    if (objc == 2)
+        name = Jim_GetString(objv[1], NULL);
+    hModule = GetModuleHandleA(name);
+    if (hModule == NULL) {
+        Jim_SetResult(interp,
+            Win32ErrorObj(interp, "GetModuleHandle", GetLastError()));
+        return JIM_ERR;
+    }
+    Jim_SetResult(interp, Jim_NewIntObj(interp, (unsigned long)hModule));
+    return JIM_OK;
+}
+
+static int
+Win32_LoadLibrary(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    HMODULE hLib = NULL;
+    if (objc != 2) {
+        Jim_WrongNumArgs(interp, 1, objv, "path");
+        return JIM_ERR;
+    }
+    hLib = LoadLibraryA(Jim_GetString(objv[1], NULL));
+    if (hLib == NULL) {
+        Jim_SetResult(interp,
+            Win32ErrorObj(interp, "LoadLibrary", GetLastError()));
+        return JIM_ERR;
+    }
+    Jim_SetResult(interp, Jim_NewIntObj(interp, (unsigned long)hLib));
+    return JIM_OK;
+}
+
+static int
+Win32_FreeLibrary(Jim_Interp *interp, int objc, Jim_Obj * const *objv)
+{
+    HMODULE hModule = NULL;
+    int r = JIM_OK;
+
+    if (objc != 2) {
+        Jim_WrongNumArgs(interp, 1, objv, "hmodule");
+        return JIM_ERR;
+    }
+
+    r = Jim_GetLong(interp, objv[1], (long *)&hModule);
+    if (r == JIM_OK) {
+        if (!FreeLibrary(hModule)) {
+            Jim_SetResult(interp,
+                Win32ErrorObj(interp, "FreeLibrary", GetLastError()));
+            r = JIM_ERR;
+        }
+    }
+
+    return r;
+}
+
+
+/* ---------------------------------------------------------------------- */
+
+int
+Jim_win32Init(Jim_Interp *interp)
+{
+    if (Jim_PackageProvide(interp, "win32", "1.0", JIM_ERRMSG))
+        return JIM_ERR;
+
+#define CMD(name) \
+    Jim_CreateCommand(interp, "win32." #name , Win32_ ## name , NULL, NULL)
+
+    CMD(ShellExecute);
+    CMD(FindWindow);
+    CMD(CloseWindow);
+    CMD(GetActiveWindow);
+    CMD(SetActiveWindow);
+    CMD(SetForegroundWindow);
+    CMD(Beep);
+    CMD(GetComputerName);
+    CMD(SetComputerName);
+    CMD(GetUserName);
+    CMD(GetModuleFileName);
+    CMD(GetVersion);
+    CMD(GetTickCount);
+    CMD(GetSystemTime);
+#if !defined(__MINGW32__) && !defined(__CYGWIN__)
+    CMD(GetPerformanceInfo);
+#endif
+    CMD(GetModuleHandle);
+    CMD(LoadLibrary);
+    CMD(FreeLibrary);
+
+    return JIM_OK;
+}