storage/src/mozStorageStatementRow.cpp

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  * vim: sw=4 ts=4 sts=4
   3  * ***** BEGIN LICENSE BLOCK *****
   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
   8  * the License. You may obtain a copy of the License at
   9  * http://www.mozilla.org/MPL/
  10  *
  11  * Software distributed under the License is distributed on an "AS IS" basis,
  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13  * for the specific language governing rights and limitations under the
  14  * License.
  15  *
  16  * The Original Code is Oracle Corporation code.
  17  *
  18  * The Initial Developer of the Original Code is
  19  *  Oracle Corporation
  20  * Portions created by the Initial Developer are Copyright (C) 2004
  21  * the Initial Developer. All Rights Reserved.
  22  *
  23  * Contributor(s):
  24  *   Vladimir Vukicevic <vladimir.vukicevic@oracle.com>
  25  *   Shawn Wilsher <me@shawnwilsher.com>
  26  *
  27  * Alternatively, the contents of this file may be used under the terms of
  28  * either the GNU General Public License Version 2 or later (the "GPL"), or
  29  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  30  * in which case the provisions of the GPL or the LGPL are applicable instead
  31  * of those above. If you wish to allow use of your version of this file only
  32  * under the terms of either the GPL or the LGPL, and not to allow others to
  33  * use your version of this file under the terms of the MPL, indicate your
  34  * decision by deleting the provisions above and replace them with the notice
  35  * and other provisions required by the GPL or the LGPL. If you do not delete
  36  * the provisions above, a recipient may use your version of this file under
  37  * the terms of any one of the MPL, the GPL or the LGPL.
  38  *
  39  * ***** END LICENSE BLOCK ***** */
  40
  41 #include "nsMemory.h"
  42 #include "nsString.h"
  43
  44 #include "mozStorageStatementRow.h"
  45
  46 #include "jsapi.h"
  47 #include "jsdate.h"
  48
  49 #include "sqlite3.h"
  50
  51 /*************************************************************************
  52  ****
  53  **** mozStorageStatementRow
  54  ****
  55  *************************************************************************/
  56
  57 NS_IMPL_ISUPPORTS2(mozStorageStatementRow, mozIStorageStatementRow, nsIXPCScriptable)
  58
  59 mozStorageStatementRow::mozStorageStatementRow(mozStorageStatement *aStatement)
  60     : mStatement(aStatement)
  61 {
  62 }
  63
  64 /*
  65  * nsIXPCScriptable impl
  66  */
  67
  68 /* readonly attribute string className; */
  69 NS_IMETHODIMP
  70 mozStorageStatementRow::GetClassName(char * *aClassName)
  71 {
  72     NS_ENSURE_ARG_POINTER(aClassName);
  73     *aClassName = (char *) nsMemory::Clone("mozStorageStatementRow", 23);
  74     if (!*aClassName)
  75         return NS_ERROR_OUT_OF_MEMORY;
  76     return NS_OK;
  77 }
  78
  79 /* readonly attribute PRUint32 scriptableFlags; */
  80 NS_IMETHODIMP
  81 mozStorageStatementRow::GetScriptableFlags(PRUint32 *aScriptableFlags)
  82 {
  83     *aScriptableFlags =
  84         nsIXPCScriptable::WANT_GETPROPERTY |
  85         nsIXPCScriptable::WANT_NEWRESOLVE |
  86         nsIXPCScriptable::ALLOW_PROP_MODS_DURING_RESOLVE;
  87     return NS_OK;
  88 }
  89
  90 /* PRBool getProperty (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal id, in JSValPtr vp); */
  91 NS_IMETHODIMP
  92 mozStorageStatementRow::GetProperty(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
  93                          JSObject * obj, jsval id, jsval * vp, PRBool *_retval)
  94 {
  95     NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
  96
  97     if (JSVAL_IS_STRING(id)) {
  98         nsDependentCString jsid(::JS_GetStringBytes(JSVAL_TO_STRING(id)));
  99
 100         PRUint32 idx;
 101         nsresult rv = mStatement->GetColumnIndex(jsid, &idx);
 102         NS_ENSURE_SUCCESS(rv, rv);
 103         int ctype = sqlite3_column_type(NativeStatement(), idx);
 104
 105         if (ctype == SQLITE_INTEGER || ctype == SQLITE_FLOAT) {
 106             double dval = sqlite3_column_double(NativeStatement(), idx);
 107             if (!JS_NewNumberValue(cx, dval, vp)) {
 108                 *_retval = PR_FALSE;
 109                 return NS_OK;
 110             }
 111         } else if (ctype == SQLITE_TEXT) {
 112             JSString *str = JS_NewUCStringCopyN(cx,
 113                                                 (jschar*) sqlite3_column_text16(NativeStatement(), idx),
 114                                                 sqlite3_column_bytes16(NativeStatement(), idx)/2);
 115             if (!str) {
 116                 *_retval = PR_FALSE;
 117                 return NS_OK;
 118             }
 119             *vp = STRING_TO_JSVAL(str);
 120         } else if (ctype == SQLITE_BLOB) {
 121             JSString *str = JS_NewStringCopyN(cx,
 122                                               (char*) sqlite3_column_blob(NativeStatement(), idx),
 123                                               sqlite3_column_bytes(NativeStatement(), idx));
 124             if (!str) {
 125                 *_retval = PR_FALSE;
 126                 return NS_OK;
 127             }
 128         } else if (ctype == SQLITE_NULL) {
 129             *vp = JSVAL_NULL;
 130         } else {
 131             NS_ERROR("sqlite3_column_type returned unknown column type, what's going on?");
 132         }
 133     }
 134
 135     return NS_OK;
 136 }
 137
 138
 139 /* PRBool setProperty (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal id, in JSValPtr vp); */
 140 NS_IMETHODIMP
 141 mozStorageStatementRow::SetProperty(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 142                          JSObject * obj, jsval id, jsval * vp, PRBool *_retval)
 143 {
 144     return NS_ERROR_NOT_IMPLEMENTED;
 145 }
 146
 147 /* void preCreate (in nsISupports nativeObj, in JSContextPtr cx, in JSObjectPtr globalObj, out JSObjectPtr parentObj); */
 148 NS_IMETHODIMP
 149 mozStorageStatementRow::PreCreate(nsISupports *nativeObj, JSContext * cx,
 150                        JSObject * globalObj, JSObject * *parentObj)
 151 {
 152     return NS_ERROR_NOT_IMPLEMENTED;
 153 }
 154
 155 /* void create (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj); */
 156 NS_IMETHODIMP
 157 mozStorageStatementRow::Create(nsIXPConnectWrappedNative *wrapper, JSContext * cx, JSObject * obj)
 158 {
 159     return NS_ERROR_NOT_IMPLEMENTED;
 160 }
 161
 162 /* void postCreate (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj); */
 163 NS_IMETHODIMP
 164 mozStorageStatementRow::PostCreate(nsIXPConnectWrappedNative *wrapper, JSContext * cx, JSObject * obj)
 165 {
 166     return NS_ERROR_NOT_IMPLEMENTED;
 167 }
 168
 169 /* PRBool addProperty (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal id, in JSValPtr vp); */
 170 NS_IMETHODIMP
 171 mozStorageStatementRow::AddProperty(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 172                                     JSObject * obj, jsval id, jsval * vp, PRBool *_retval)
 173 {
 174     return NS_ERROR_NOT_IMPLEMENTED;
 175 }
 176
 177 /* PRBool delProperty (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal id, in JSValPtr vp); */
 178 NS_IMETHODIMP
 179 mozStorageStatementRow::DelProperty(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 180                                     JSObject * obj, jsval id, jsval * vp, PRBool *_retval)
 181 {
 182     return NS_ERROR_NOT_IMPLEMENTED;
 183 }
 184
 185 /* PRBool enumerate (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj); */
 186 NS_IMETHODIMP
 187 mozStorageStatementRow::Enumerate(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 188                                   JSObject * obj, PRBool *_retval)
 189 {
 190     return NS_ERROR_NOT_IMPLEMENTED;
 191 }
 192
 193 /* PRBool newEnumerate (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in PRUint32 enum_op, in JSValPtr statep, out JSID idp); */
 194 NS_IMETHODIMP
 195 mozStorageStatementRow::NewEnumerate(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 196                                      JSObject * obj, PRUint32 enum_op, jsval * statep, jsid *idp, PRBool *_retval)
 197 {
 198     return NS_ERROR_NOT_IMPLEMENTED;
 199 }
 200
 201 /* PRBool newResolve (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal id, in PRUint32 flags, out JSObjectPtr objp); */
 202 NS_IMETHODIMP
 203 mozStorageStatementRow::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 204                                    JSObject * obj, jsval id, PRUint32 flags, JSObject * *objp, PRBool *_retval)
 205 {
 206     NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
 207
 208     if (JSVAL_IS_STRING(id)) {
 209         JSString *str = JSVAL_TO_STRING(id);
 210         nsDependentCString name(::JS_GetStringBytes(str));
 211
 212         PRUint32 idx;
 213         nsresult rv = mStatement->GetColumnIndex(name, &idx);
 214         NS_ENSURE_SUCCESS(rv, rv);
 215
 216         *_retval = ::JS_DefineUCProperty(cx, obj, ::JS_GetStringChars(str),
 217                                          ::JS_GetStringLength(str),
 218                                          JSVAL_VOID,
 219                                          nsnull, nsnull, 0);
 220         *objp = obj;
 221         return *_retval ? NS_OK : NS_ERROR_FAILURE;
 222     }
 223
 224     *_retval = PR_TRUE;
 225     return NS_OK;
 226 }
 227
 228 /* PRBool convert (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in PRUint32 type, in JSValPtr vp); */
 229 NS_IMETHODIMP
 230 mozStorageStatementRow::Convert(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 231                                 JSObject * obj, PRUint32 type, jsval * vp, PRBool *_retval)
 232 {
 233     return NS_ERROR_NOT_IMPLEMENTED;
 234 }
 235
 236 /* void finalize (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj); */
 237 NS_IMETHODIMP
 238 mozStorageStatementRow::Finalize(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 239                                  JSObject * obj)
 240 {
 241     return NS_ERROR_NOT_IMPLEMENTED;
 242 }
 243
 244 /* PRBool checkAccess (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal id, in PRUint32 mode, in JSValPtr vp); */
 245 NS_IMETHODIMP
 246 mozStorageStatementRow::CheckAccess(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 247                                     JSObject * obj, jsval id, PRUint32 mode, jsval * vp, PRBool *_retval)
 248 {
 249     return NS_ERROR_NOT_IMPLEMENTED;
 250 }
 251
 252 /* PRBool call (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in PRUint32 argc, in JSValPtr argv, in JSValPtr vp); */
 253 NS_IMETHODIMP
 254 mozStorageStatementRow::Call(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 255                              JSObject * obj, PRUint32 argc, jsval * argv, jsval * vp, PRBool *_retval)
 256 {
 257     return NS_ERROR_NOT_IMPLEMENTED;
 258 }
 259
 260 /* PRBool construct (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in PRUint32 argc, in JSValPtr argv, in JSValPtr vp); */
 261 NS_IMETHODIMP
 262 mozStorageStatementRow::Construct(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 263                                   JSObject * obj, PRUint32 argc, jsval * argv, jsval * vp, PRBool *_retval)
 264 {
 265     return NS_ERROR_NOT_IMPLEMENTED;
 266 }
 267
 268 /* PRBool hasInstance (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal val, out PRBool bp); */
 269 NS_IMETHODIMP
 270 mozStorageStatementRow::HasInstance(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 271                                     JSObject * obj, jsval val, PRBool *bp, PRBool *_retval)
 272 {
 273     return NS_ERROR_NOT_IMPLEMENTED;
 274 }
 275
 276 /* void trace (in nsIXPConnectWrappedNative wrapper, in JSTracerPtr trc, in JSObjectPtr obj); */
 277 NS_IMETHODIMP
 278 mozStorageStatementRow::Trace(nsIXPConnectWrappedNative *wrapper,
 279                               JSTracer * trc, JSObject * obj)
 280 {
 281     return NS_ERROR_NOT_IMPLEMENTED;
 282 }
 283
 284 /* PRBool equality(in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal val); */
 285 NS_IMETHODIMP
 286 mozStorageStatementRow::Equality(nsIXPConnectWrappedNative *wrapper,
 287                                  JSContext *cx, JSObject *obj, jsval val,
 288                                  PRBool *_retval)
 289 {
 290     return NS_ERROR_NOT_IMPLEMENTED;
 291 }
 292
 293 /* JSObjectPtr outerObject(in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj); */
 294 NS_IMETHODIMP
 295 mozStorageStatementRow::OuterObject(nsIXPConnectWrappedNative *wrapper,
 296                                     JSContext *cx, JSObject *obj,
 297                                     JSObject **_retval)
 298 {
 299     return NS_ERROR_NOT_IMPLEMENTED;
 300 }
 301
 302 /* JSObjectPtr innerObject(in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj); */
 303 NS_IMETHODIMP
 304 mozStorageStatementRow::InnerObject(nsIXPConnectWrappedNative *wrapper,
 305                                     JSContext *cx, JSObject *obj,
 306                                     JSObject **_retval)
 307 {
 308     return NS_ERROR_NOT_IMPLEMENTED;
 309 }
 310
 311 /* void postCreatePrototype (in JSContextPtr cx, in JSObjectPtr proto); */
 312 NS_IMETHODIMP
 313 mozStorageStatementRow::PostCreatePrototype(JSContext * cx, JSObject * proto)
 314 {
 315     return NS_OK;
 316 }