8dc9960a45
git-svn-id: https://svn.code.sf.net/p/libusbjava/code/trunk@135 94ad28fe-ef68-46b1-9651-e7ae4fcf1c4c
119 lines
4.1 KiB
Plaintext
119 lines
4.1 KiB
Plaintext
MODULE UsbUtils;
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IMPORT WinApi, Strings, Log := StdLog;
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CONST
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HK_LM_JRE_Key = "SOFTWARE\javaSoft\Java Runtime Environment";
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HK_LM_JRE_CurrentVersion_value = "CurrentVersion";
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HK_LM_JRE_JavaHome_value = "JavaHome";
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HK_LM_PATH_Key = "SYSTEM\CurrentControlSet\Control\Session Manager\Environment";
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HK_CU_PATH_Key = "Environment";
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PATH_value = "PATH";
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PROCEDURE RegLMQuery* (IN subKey, valueName: ARRAY OF SHORTCHAR;
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OUT qValue: ARRAY OF SHORTCHAR): BOOLEAN;
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VAR
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res, length: INTEGER; hKey: WinApi.HKEY;
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BEGIN
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qValue := "";
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res := WinApi.RegOpenKeyEx(WinApi.HKEY_LOCAL_MACHINE,
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subKey, 0, WinApi.KEY_QUERY_VALUE, hKey);
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IF res # WinApi.ERROR_SUCCESS THEN
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RETURN FALSE
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ELSE
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length := LEN(qValue);
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res := WinApi.RegQueryValueEx(hKey, valueName, NIL, NIL, qValue[0], length);
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IF res # WinApi.ERROR_SUCCESS THEN
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RETURN FALSE
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END
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END;
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res := WinApi.RegCloseKey(hKey);
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RETURN TRUE;
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END RegLMQuery;
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PROCEDURE RegCUQuery* (IN subKey, valueName: ARRAY OF SHORTCHAR;
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OUT qValue: ARRAY OF SHORTCHAR): BOOLEAN;
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VAR
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res, length: INTEGER; hKey: WinApi.HKEY;
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BEGIN
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qValue := "";
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res := WinApi.RegOpenKeyEx(WinApi.HKEY_CURRENT_USER,
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subKey, 0, WinApi.KEY_QUERY_VALUE, hKey);
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IF res # WinApi.ERROR_SUCCESS THEN
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RETURN FALSE
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ELSE
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length := LEN(qValue);
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res := WinApi.RegQueryValueEx(hKey, valueName, NIL, NIL, qValue[0], length);
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IF res # WinApi.ERROR_SUCCESS THEN
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RETURN FALSE
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END
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END;
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res := WinApi.RegCloseKey(hKey);
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RETURN TRUE;
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END RegCUQuery;
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PROCEDURE RegCUCreateKeyAndSetValue* (IN subKey, valueName: ARRAY OF SHORTCHAR;
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newValue: ARRAY OF SHORTCHAR): BOOLEAN;
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VAR
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res, length, lpdwDisposition: INTEGER; hKey: WinApi.HKEY;
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BEGIN
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res := WinApi.RegCreateKeyEx(WinApi.HKEY_CURRENT_USER, subKey, 0, NIL,
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WinApi.REG_OPTION_NON_VOLATILE, WinApi.KEY_ALL_ACCESS, NIL, hKey, lpdwDisposition);
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IF res # WinApi.ERROR_SUCCESS THEN
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RETURN FALSE
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END;
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res := WinApi.RegSetValueEx(hKey, valueName, 0, WinApi.REG_SZ,
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newValue[0], LEN(newValue$));
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IF res # WinApi.ERROR_SUCCESS THEN
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RETURN FALSE
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END;
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res := WinApi.RegCloseKey(hKey);
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RETURN TRUE
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END RegCUCreateKeyAndSetValue;
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PROCEDURE CheckAndSetPath*;
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CONST
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PATH_Pattern = "\bin\client";
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VAR
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jreHome, regValue, tmpRegValue: ARRAY 2048 OF SHORTCHAR;
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pos: INTEGER; noUserPathValue, success, found: BOOLEAN;
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BEGIN
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(* get jre home path *)
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IF ~RegLMQuery(HK_LM_JRE_Key, HK_LM_JRE_CurrentVersion_value, tmpRegValue) (* e.g. "1.5" *) THEN
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Log.String("UsbUtils: Error getting " + HK_LM_JRE_Key + "! Is Java installed?"); Log.Ln; RETURN
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END;
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IF ~RegLMQuery(HK_LM_JRE_Key + "\" + tmpRegValue, HK_LM_JRE_JavaHome_value, jreHome) THEN
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Log.String("UsbUtils: Error getting " + HK_LM_JRE_Key + "\" + tmpRegValue + "! Is Java installed?"); Log.Ln; RETURN
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END;
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(* look for %javahome%\bin\client on system and user path*)
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regValue := jreHome + PATH_Pattern;
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found := RegLMQuery(HK_LM_PATH_Key, "Path", tmpRegValue);
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Strings.Find(LONG(tmpRegValue), LONG(regValue), 0, pos);
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found := pos >= 0;
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IF found THEN
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Log.String("the PATH system variable " + regValue + " is already set"); Log.Ln;
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RETURN
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END;
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tmpRegValue := "";
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noUserPathValue := ~RegCUQuery(HK_CU_PATH_Key, PATH_value, tmpRegValue);
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Strings.Find(LONG(tmpRegValue), PATH_Pattern, 0, pos);
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found := pos >= 0;
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IF ~found THEN (* insert registry key into user PATH variable *)
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IF tmpRegValue = "" THEN
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tmpRegValue := regValue;
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ELSE
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tmpRegValue := tmpRegValue + ";" + regValue
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END;
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IF RegCUCreateKeyAndSetValue(HK_CU_PATH_Key, PATH_value, tmpRegValue) THEN
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IF noUserPathValue THEN (* create user PATH value first *)
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Log.String("user value PATH created"); Log.Ln;
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END;
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Log.String(regValue + " added to user PATH"); Log.Ln;
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ELSE
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Log.String("UsbUtils: Error on CreateKey with value " + tmpRegValue); Log.Ln;
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END;
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ELSE
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Log.String("the PATH user variable " + regValue + " is already set"); Log.Ln;
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END
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END CheckAndSetPath;
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END UsbUtils. |