зеркало из https://github.com/mozilla/gecko-dev.git
Even more error handling stuff. Will need to go thru the
file and double-check all error handlers.
This commit is contained in:
val4%cornell.edu
Родитель
20fbd1e186
Коммит
ae6b346f41
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@ -1792,32 +1792,41 @@ file_list(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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/* SECURITY */
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file = JS_GetInstancePrivate(cx, obj, &file_class, NULL);
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if (argc>0) {
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if (argc=1) {
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if (JSVAL_IS_REGEXP(cx, argv[0])) {
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re = JS_GetPrivate(cx, JSVAL_TO_OBJECT(argv[0]));
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}else
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if (JSVAL_IS_FUNCTION(cx, argv[0])) {
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func = JS_GetPrivate(cx, JSVAL_TO_OBJECT(argv[0]));
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}else{
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/* TODO: error */
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_FIRST_ARGUMENT_MUST_BE_A_FUNCTION_OR_REGEX, argv[0]);
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goto out;
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}
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}else{
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_FIRST_ARGUMENT_MUST_BE_A_NUMBER, "skip", argv[0]);
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goto out;
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}
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if (!js_isDirectory(file)) {
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*rval = JSVAL_NULL;
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return JS_FALSE; /* or return an empty array? or do a readAll? */
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_CANNOT_DO_LIST_ON_A_FILE, file->path);
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goto out;
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}
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/* TODO: native support? */
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if(file->isNative){
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/* TODO: error */
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return JS_FALSE;
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_NATIVE_OPERATION_IS_NOT_SUPPORTED, "list", file->path);
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goto out;
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}
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dir = PR_OpenDir(file->path);
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if(!dir){
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/* TODO: */
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return JS_FALSE;
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_OPEN_FAILED, file->path);
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goto out;
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}
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/* create JSArray here... */
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@ -1832,7 +1841,7 @@ file_list(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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str = JS_NewStringCopyZ(cx, entry->name);
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if(!js_ExecuteRegExp(cx, re, str, &index, JS_TRUE, &v)){
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/* don't report anything here */
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return JS_FALSE;
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goto out;
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}
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/* not matched! */
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if (JSVAL_IS_NULL(v)) {
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@ -1843,7 +1852,7 @@ file_list(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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str = JS_NewStringCopyZ(cx, entry->name);
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args[0] = STRING_TO_JSVAL(str);
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if(!JS_CallFunction(cx, obj, func, 1, args, &v)){
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return JS_FALSE;
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goto out;
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}
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if (v==JSVAL_FALSE) {
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@ -1857,7 +1866,7 @@ file_list(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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JS_free(cx, filePath);
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if (!eachFile){
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/* TODO: error */
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return JS_FALSE;
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goto out;
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}
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v = OBJECT_TO_JSVAL(eachFile);
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JS_SetElement(cx, array, len, &v);
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@ -1866,11 +1875,15 @@ file_list(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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}
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if(!PR_CloseDir(dir)){
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/* TODO: error */
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return JS_FALSE;
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_CLOSE_FAILED, file->path);
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goto out;
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}
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*rval = OBJECT_TO_JSVAL(array);
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return JS_TRUE;
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out:
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*rval = JSVAL_NULL;
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return JS_FALSE;
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}
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static JSBool
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@ -1879,8 +1892,9 @@ file_mkdir(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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JSFile *file;
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if (argc!=1){
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/* TODO: error reporting */
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return JS_FALSE;
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_EXPECTS_ONE_ARG_ERROR, "mkdir", argc);
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goto out;
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}
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file = JS_GetInstancePrivate(cx, obj, &file_class, NULL);
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@ -1895,7 +1909,7 @@ file_mkdir(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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/* call file_mkdir with the right set of parameters if needed */
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if (!file_mkdir(cx, dirObj, argc, argv, rval)) {
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return JS_FALSE;
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goto out;
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}
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}else{
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char *dirName = JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
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@ -1909,9 +1923,12 @@ file_mkdir(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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}else{
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/* TODO: error */
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JS_free(cx, fullName);
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return JS_FALSE;
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goto out;
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}
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}
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out:
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*rval = JSVAL_FALSE;
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return JS_FALSE;
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}
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static JSBool
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@ -2119,11 +2136,13 @@ file_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
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if(((file->isOpen)?
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PR_GetOpenFileInfo(file->handle, &info):
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PR_GetFileInfo(file->path, &info))!=PR_SUCCESS){
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/* TODO: error */
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_CANNOT_ACCESS_FILE_STATUS, file->path);
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return JS_FALSE;
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}
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}else{
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/* TODO: error */
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_NATIVE_OPERATION_IS_NOT_SUPPORTED, "creationTime", file->path);
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return JS_FALSE;
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}
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@ -2140,11 +2159,13 @@ file_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
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if(((file->isOpen)?
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PR_GetOpenFileInfo(file->handle, &info):
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PR_GetFileInfo(file->path, &info))!=PR_SUCCESS){
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/* TODO: error */
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_CANNOT_ACCESS_FILE_STATUS, file->path);
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return JS_FALSE;
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}
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}else{
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/* TODO: error */
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_NATIVE_OPERATION_IS_NOT_SUPPORTED, "lastModified", file->path);
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return JS_FALSE;
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}
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@ -2173,7 +2194,9 @@ file_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
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}
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if(!PR_CloseDir(dir)){
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/* TODO: error */
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_CLOSE_FAILED, file->path);
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return JS_FALSE;
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}
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@ -2184,13 +2207,15 @@ file_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
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if(((file->isOpen)?
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PR_GetOpenFileInfo(file->handle, &info):
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PR_GetFileInfo(file->path, &info))!=PR_SUCCESS){
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/* TODO: error */
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_CANNOT_ACCESS_FILE_STATUS, file->path);
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return JS_FALSE;
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}
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*vp = INT_TO_JSVAL(info.size);
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}
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}else{
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/* TODO: error */
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_NATIVE_OPERATION_IS_NOT_SUPPORTED, "length", file->path);
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return JS_FALSE;
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}
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@ -2204,7 +2229,7 @@ file_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
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PR_Seek(file->handle, 0, PR_SEEK_CUR):
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fseek(file->nativehandle, 0, SEEK_CUR));
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}else {
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/* TODO: warning? */
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JS_ReportWarning(cx, "File %s is closed, can't report the position, proceeding");
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*vp = JSVAL_VOID;
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}
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break;
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@ -2213,7 +2238,7 @@ file_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
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if(js_isDirectory(file)){
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PRDir *dir = NULL;
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PRDirEntry *entry = NULL;
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char* prop_name = JS_GetStringBytes(JS_ValueToString(cx, id));
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char *prop_name = JS_GetStringBytes(JS_ValueToString(cx, id));
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dir = PR_OpenDir(file->path);
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if(!dir) {
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@ -2253,7 +2278,6 @@ file_setProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
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slot = JSVAL_TO_INT(id);
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switch (slot) {
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/* File.position = 10 */
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case FILE_POSITION:
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@ -2350,7 +2374,8 @@ file_init(JSContext *cx, JSObject *obj, char *bytes)
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js_ResetAttributes(file);
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if (!JS_SetPrivate(cx, obj, file)) {
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/* TODO: report error */
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JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
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JSFILEMSG_CANNOT_SET_PRIVATE_FILE, file->path);
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JS_free(cx, file);
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return NULL;
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}else
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@ -2434,7 +2459,10 @@ js_InitFileClass(JSContext *cx, JSObject* obj)
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file = JS_InitClass(cx, obj, NULL, &file_class, File, 1,
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file_props, file_functions, NULL, NULL);
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if (!file) return NULL;
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if (!file) {
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/* TODO: error */
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return NULL;
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}
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/* SECURITY -- need to make sure we want to have default streams */
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ctor = JS_GetConstructor(cx, file);
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@ -47,6 +47,13 @@ MSG_DEF(JSFILEMSG_RENAME_FAILED, 24, 2, JSEXN_N
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MSG_DEF(JSFILEMSG_WRITE_FAILED, 25, 1, JSEXN_NONE, "Write failed on file {0}")
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MSG_DEF(JSFILEMSG_READ_FAILED, 26, 1, JSEXN_NONE, "Read failed on file {0}")
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MSG_DEF(JSFILEMSG_SKIP_FAILED, 27, 1, JSEXN_NONE, "Skip failed on file {0}")
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MSG_DEF(JSFILEMSG_FIRST_ARGUMENT_MUST_BE_A_FUNCTION_OR_REGEX, 28, 1, JSEXN_NONE, "The first argument to file.list must be a function or a regex")
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MSG_DEF(JSFILEMSG_CANNOT_DO_LIST_ON_A_FILE, 29, 1, JSEXN_NONE, "{0} must be a directory, cannot do list")
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MSG_DEF(JSFILEMSG_NATIVE_OPERATION_IS_NOT_SUPPORTED, 30, 2, JSEXN_NONE, "Native operation {0} is not supported on {1}")
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MSG_DEF(JSFILEMSG_CANNOT_SET_PRIVATE_FILE, 31, 1, JSEXN_NONE, "Cannot set private data for file {0}")
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