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     if (JSVAL_IS_STRING(id)) {
  96         nsDependentCString jsid(::JS_GetStringBytes(JSVAL_TO_STRING(id)));
  97
  98         PRUint32 idx;
  99         nsresult rv = mStatement->GetColumnIndex(jsid, &idx);
 100         NS_ENSURE_SUCCESS(rv, rv);
 101         int ctype = sqlite3_column_type(NativeStatement(), idx);
 102
 103         if (ctype == SQLITE_INTEGER || ctype == SQLITE_FLOAT) {
 104             double dval = sqlite3_column_double(NativeStatement(), idx);
 105             if (!JS_NewNumberValue(cx, dval, vp)) {
 106                 *_retval = PR_FALSE;
 107                 return NS_OK;
 108             }
 109         } else if (ctype == SQLITE_TEXT) {
 110             JSString *str = JS_NewUCStringCopyN(cx,
 111                                                 (jschar*) sqlite3_column_text16(NativeStatement(), idx),
 112                                                 sqlite3_column_bytes16(NativeStatement(), idx)/2);
 113             if (!str) {
 114                 *_retval = PR_FALSE;
 115                 return NS_OK;
 116             }
 117             *vp = STRING_TO_JSVAL(str);
 118         } else if (ctype == SQLITE_BLOB) {
 119             JSString *str = JS_NewStringCopyN(cx,
 120                                               (char*) sqlite3_column_blob(NativeStatement(), idx),
 121                                               sqlite3_column_bytes(NativeStatement(), idx));
 122             if (!str) {
 123                 *_retval = PR_FALSE;
 124                 return NS_OK;
 125             }
 126         } else if (ctype == SQLITE_NULL) {
 127             *vp = JSVAL_NULL;
 128         } else {
 129             NS_ERROR("sqlite3_column_type returned unknown column type, what's going on?");
 130         }
 131     }
 132
 133     return NS_OK;
 134 }
 135
 136
 137 /* PRBool setProperty (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal id, in JSValPtr vp); */
 138 NS_IMETHODIMP
 139 mozStorageStatementRow::SetProperty(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 140                          JSObject * obj, jsval id, jsval * vp, PRBool *_retval)
 141 {
 142     return NS_ERROR_NOT_IMPLEMENTED;
 143 }
 144
 145 /* void preCreate (in nsISupports nativeObj, in JSContextPtr cx, in JSObjectPtr globalObj, out JSObjectPtr parentObj); */
 146 NS_IMETHODIMP
 147 mozStorageStatementRow::PreCreate(nsISupports *nativeObj, JSContext * cx,
 148                        JSObject * globalObj, JSObject * *parentObj)
 149 {
 150     return NS_ERROR_NOT_IMPLEMENTED;
 151 }
 152
 153 /* void create (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj); */
 154 NS_IMETHODIMP
 155 mozStorageStatementRow::Create(nsIXPConnectWrappedNative *wrapper, JSContext * cx, JSObject * obj)
 156 {
 157     return NS_ERROR_NOT_IMPLEMENTED;
 158 }
 159
 160 /* void postCreate (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj); */
 161 NS_IMETHODIMP
 162 mozStorageStatementRow::PostCreate(nsIXPConnectWrappedNative *wrapper, JSContext * cx, JSObject * obj)
 163 {
 164     return NS_ERROR_NOT_IMPLEMENTED;
 165 }
 166
 167 /* PRBool addProperty (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal id, in JSValPtr vp); */
 168 NS_IMETHODIMP
 169 mozStorageStatementRow::AddProperty(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 170                                     JSObject * obj, jsval id, jsval * vp, PRBool *_retval)
 171 {
 172     return NS_ERROR_NOT_IMPLEMENTED;
 173 }
 174
 175 /* PRBool delProperty (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal id, in JSValPtr vp); */
 176 NS_IMETHODIMP
 177 mozStorageStatementRow::DelProperty(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 178                                     JSObject * obj, jsval id, jsval * vp, PRBool *_retval)
 179 {
 180     return NS_ERROR_NOT_IMPLEMENTED;
 181 }
 182
 183 /* PRBool enumerate (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj); */
 184 NS_IMETHODIMP
 185 mozStorageStatementRow::Enumerate(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 186                                   JSObject * obj, PRBool *_retval)
 187 {
 188     return NS_ERROR_NOT_IMPLEMENTED;
 189 }
 190
 191 /* PRBool newEnumerate (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in PRUint32 enum_op, in JSValPtr statep, out JSID idp); */
 192 NS_IMETHODIMP
 193 mozStorageStatementRow::NewEnumerate(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 194                                      JSObject * obj, PRUint32 enum_op, jsval * statep, jsid *idp, PRBool *_retval)
 195 {
 196     return NS_ERROR_NOT_IMPLEMENTED;
 197 }
 198
 199 /* PRBool newResolve (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal id, in PRUint32 flags, out JSObjectPtr objp); */
 200 NS_IMETHODIMP
 201 mozStorageStatementRow::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 202                                    JSObject * obj, jsval id, PRUint32 flags, JSObject * *objp, PRBool *_retval)
 203 {
 204     if (JSVAL_IS_STRING(id)) {
 205         JSString *str = JSVAL_TO_STRING(id);
 206         nsDependentCString name(::JS_GetStringBytes(str));
 207
 208         PRUint32 idx;
 209         nsresult rv = mStatement->GetColumnIndex(name, &idx);
 210         NS_ENSURE_SUCCESS(rv, rv);
 211
 212         *_retval = ::JS_DefineUCProperty(cx, obj, ::JS_GetStringChars(str),
 213                                          ::JS_GetStringLength(str),
 214                                          JSVAL_VOID,
 215                                          nsnull, nsnull, 0);
 216         *objp = obj;
 217         return *_retval ? NS_OK : NS_ERROR_FAILURE;
 218     }
 219
 220     *_retval = PR_TRUE;
 221     return NS_OK;
 222 }
 223
 224 /* PRBool convert (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in PRUint32 type, in JSValPtr vp); */
 225 NS_IMETHODIMP
 226 mozStorageStatementRow::Convert(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 227                                 JSObject * obj, PRUint32 type, jsval * vp, PRBool *_retval)
 228 {
 229     return NS_ERROR_NOT_IMPLEMENTED;
 230 }
 231
 232 /* void finalize (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj); */
 233 NS_IMETHODIMP
 234 mozStorageStatementRow::Finalize(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 235                                  JSObject * obj)
 236 {
 237     return NS_ERROR_NOT_IMPLEMENTED;
 238 }
 239
 240 /* PRBool checkAccess (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal id, in PRUint32 mode, in JSValPtr vp); */
 241 NS_IMETHODIMP
 242 mozStorageStatementRow::CheckAccess(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 243                                     JSObject * obj, jsval id, PRUint32 mode, jsval * vp, PRBool *_retval)
 244 {
 245     return NS_ERROR_NOT_IMPLEMENTED;
 246 }
 247
 248 /* PRBool call (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in PRUint32 argc, in JSValPtr argv, in JSValPtr vp); */
 249 NS_IMETHODIMP
 250 mozStorageStatementRow::Call(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 251                              JSObject * obj, PRUint32 argc, jsval * argv, jsval * vp, PRBool *_retval)
 252 {
 253     return NS_ERROR_NOT_IMPLEMENTED;
 254 }
 255
 256 /* PRBool construct (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in PRUint32 argc, in JSValPtr argv, in JSValPtr vp); */
 257 NS_IMETHODIMP
 258 mozStorageStatementRow::Construct(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 259                                   JSObject * obj, PRUint32 argc, jsval * argv, jsval * vp, PRBool *_retval)
 260 {
 261     return NS_ERROR_NOT_IMPLEMENTED;
 262 }
 263
 264 /* PRBool hasInstance (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal val, out PRBool bp); */
 265 NS_IMETHODIMP
 266 mozStorageStatementRow::HasInstance(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
 267                                     JSObject * obj, jsval val, PRBool *bp, PRBool *_retval)
 268 {
 269     return NS_ERROR_NOT_IMPLEMENTED;
 270 }
 271
 272 /* void trace (in nsIXPConnectWrappedNative wrapper, in JSTracerPtr trc, in JSObjectPtr obj); */
 273 NS_IMETHODIMP
 274 mozStorageStatementRow::Trace(nsIXPConnectWrappedNative *wrapper,
 275                               JSTracer * trc, JSObject * obj)
 276 {
 277     return NS_ERROR_NOT_IMPLEMENTED;
 278 }
 279
 280 /* PRBool equality(in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal val); */
 281 NS_IMETHODIMP
 282 mozStorageStatementRow::Equality(nsIXPConnectWrappedNative *wrapper,
 283                                  JSContext *cx, JSObject *obj, jsval val,
 284                                  PRBool *_retval)
 285 {
 286     return NS_ERROR_NOT_IMPLEMENTED;
 287 }
 288
 289 /* JSObjectPtr outerObject(in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj); */
 290 NS_IMETHODIMP
 291 mozStorageStatementRow::OuterObject(nsIXPConnectWrappedNative *wrapper,
 292                                     JSContext *cx, JSObject *obj,
 293                                     JSObject **_retval)
 294 {
 295     return NS_ERROR_NOT_IMPLEMENTED;
 296 }
 297
 298 /* JSObjectPtr innerObject(in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj); */
 299 NS_IMETHODIMP
 300 mozStorageStatementRow::InnerObject(nsIXPConnectWrappedNative *wrapper,
 301                                     JSContext *cx, JSObject *obj,
 302                                     JSObject **_retval)
 303 {
 304     return NS_ERROR_NOT_IMPLEMENTED;
 305 }
 306
 307 /* void postCreatePrototype (in JSContextPtr cx, in JSObjectPtr proto); */
 308 NS_IMETHODIMP
 309 mozStorageStatementRow::PostCreatePrototype(JSContext * cx, JSObject * proto)
 310 {
 311     return NS_OK;
 312 }