| 1 | // Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. |
| 2 | |
| 3 | #include "precomp.h" |
| 4 | |
| 5 | |
| 6 | // Exit macros |
| 7 | #define XmlExitOnLastError(x, s, ...) ExitOnLastErrorSource(DUTIL_SOURCE_XMLUTIL, x, s, __VA_ARGS__) |
| 8 | #define XmlExitOnLastErrorDebugTrace(x, s, ...) ExitOnLastErrorDebugTraceSource(DUTIL_SOURCE_XMLUTIL, x, s, __VA_ARGS__) |
| 9 | #define XmlExitWithLastError(x, s, ...) ExitWithLastErrorSource(DUTIL_SOURCE_XMLUTIL, x, s, __VA_ARGS__) |
| 10 | #define XmlExitOnFailure(x, s, ...) ExitOnFailureSource(DUTIL_SOURCE_XMLUTIL, x, s, __VA_ARGS__) |
| 11 | #define XmlExitOnRootFailure(x, s, ...) ExitOnRootFailureSource(DUTIL_SOURCE_XMLUTIL, x, s, __VA_ARGS__) |
| 12 | #define XmlExitOnFailureDebugTrace(x, s, ...) ExitOnFailureDebugTraceSource(DUTIL_SOURCE_XMLUTIL, x, s, __VA_ARGS__) |
| 13 | #define XmlExitOnNull(p, x, e, s, ...) ExitOnNullSource(DUTIL_SOURCE_XMLUTIL, p, x, e, s, __VA_ARGS__) |
| 14 | #define XmlExitOnNullWithLastError(p, x, s, ...) ExitOnNullWithLastErrorSource(DUTIL_SOURCE_XMLUTIL, p, x, s, __VA_ARGS__) |
| 15 | #define XmlExitOnNullDebugTrace(p, x, e, s, ...) ExitOnNullDebugTraceSource(DUTIL_SOURCE_XMLUTIL, p, x, e, s, __VA_ARGS__) |
| 16 | #define XmlExitOnInvalidHandleWithLastError(p, x, s, ...) ExitOnInvalidHandleWithLastErrorSource(DUTIL_SOURCE_XMLUTIL, p, x, s, __VA_ARGS__) |
| 17 | #define XmlExitOnWin32Error(e, x, s, ...) ExitOnWin32ErrorSource(DUTIL_SOURCE_XMLUTIL, e, x, s, __VA_ARGS__) |
| 18 | #define XmlExitOnGdipFailure(g, x, s, ...) ExitOnGdipFailureSource(DUTIL_SOURCE_XMLUTIL, g, x, s, __VA_ARGS__) |
| 19 | |
| 20 | // intialization globals |
| 21 | CLSID vclsidXMLDOM = { 0, 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0} }; |
| 22 | static volatile LONG vcXmlInitialized = 0; |
| 23 | static BOOL vfMsxml40 = FALSE; |
| 24 | static BOOL fComInitialized = FALSE; |
| 25 | BOOL vfMsxml30 = FALSE; |
| 26 | |
| 27 | /******************************************************************** |
| 28 | XmlInitialize - finds an appropriate version of the XML DOM |
| 29 | |
| 30 | *********************************************************************/ |
| 31 | extern "C" HRESULT DAPI XmlInitialize( |
| 32 | ) |
| 33 | { |
| 34 | HRESULT hr = S_OK; |
| 35 | |
| 36 | if (!fComInitialized) |
| 37 | { |
| 38 | hr = ::CoInitialize(0); |
| 39 | if (RPC_E_CHANGED_MODE != hr) |
| 40 | { |
| 41 | XmlExitOnFailure(hr, "failed to initialize COM"); |
| 42 | fComInitialized = TRUE; |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | LONG cInitialized = ::InterlockedIncrement(&vcXmlInitialized); |
| 47 | if (1 == cInitialized) |
| 48 | { |
| 49 | // NOTE: 4.0 behaves differently than 3.0 so there may be problems doing this |
| 50 | #if 0 |
| 51 | hr = ::CLSIDFromProgID(L"Msxml2.DOMDocument.4.0", &vclsidXMLDOM); |
| 52 | if (S_OK == hr) |
| 53 | { |
| 54 | vfMsxml40 = TRUE; |
| 55 | Trace(REPORT_VERBOSE, "found Msxml2.DOMDocument.4.0"); |
| 56 | ExitFunction(); |
| 57 | } |
| 58 | #endif |
| 59 | hr = ::CLSIDFromProgID(L"Msxml2.DOMDocument", &vclsidXMLDOM); |
| 60 | if (FAILED(hr)) |
| 61 | { |
| 62 | // try to fall back to old MSXML |
| 63 | hr = ::CLSIDFromProgID(L"MSXML.DOMDocument", &vclsidXMLDOM); |
| 64 | } |
| 65 | XmlExitOnFailure(hr, "failed to get CLSID for XML DOM"); |
| 66 | |
| 67 | Assert(IsEqualCLSID(vclsidXMLDOM, XmlUtil_CLSID_DOMDocument) || |
| 68 | IsEqualCLSID(vclsidXMLDOM, XmlUtil_CLSID_DOMDocument20) || |
| 69 | IsEqualCLSID(vclsidXMLDOM, XmlUtil_CLSID_DOMDocument26) || |
| 70 | IsEqualCLSID(vclsidXMLDOM, XmlUtil_CLSID_DOMDocument30) || |
| 71 | IsEqualCLSID(vclsidXMLDOM, XmlUtil_CLSID_DOMDocument40) || |
| 72 | IsEqualCLSID(vclsidXMLDOM, XmlUtil_CLSID_DOMDocument50) || |
| 73 | IsEqualCLSID(vclsidXMLDOM, XmlUtil_CLSID_DOMDocument60)); |
| 74 | } |
| 75 | |
| 76 | hr = S_OK; |
| 77 | LExit: |
| 78 | return hr; |
| 79 | } |
| 80 | |
| 81 | |
| 82 | /******************************************************************** |
| 83 | XmUninitialize - |
| 84 | |
| 85 | *********************************************************************/ |
| 86 | extern "C" void DAPI XmlUninitialize( |
| 87 | ) |
| 88 | { |
| 89 | AssertSz(vcXmlInitialized, "XmlUninitialize called when not initialized"); |
| 90 | |
| 91 | LONG cInitialized = ::InterlockedDecrement(&vcXmlInitialized); |
| 92 | |
| 93 | if (0 == cInitialized) |
| 94 | { |
| 95 | memset(&vclsidXMLDOM, 0, sizeof(vclsidXMLDOM)); |
| 96 | |
| 97 | if (fComInitialized) |
| 98 | { |
| 99 | ::CoUninitialize(); |
| 100 | } |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | extern "C" HRESULT DAPI XmlCreateElement( |
| 105 | __in IXMLDOMDocument *pixdDocument, |
| 106 | __in_z LPCWSTR wzElementName, |
| 107 | __out IXMLDOMElement **ppixnElement |
| 108 | ) |
| 109 | { |
| 110 | if (!ppixnElement || !pixdDocument) |
| 111 | { |
| 112 | return E_INVALIDARG; |
| 113 | } |
| 114 | |
| 115 | HRESULT hr = S_OK; |
| 116 | BSTR bstrElementName = ::SysAllocString(wzElementName); |
| 117 | XmlExitOnNull(bstrElementName, hr, E_OUTOFMEMORY, "failed SysAllocString"); |
| 118 | hr = pixdDocument->createElement(bstrElementName, ppixnElement); |
| 119 | LExit: |
| 120 | ReleaseBSTR(bstrElementName); |
| 121 | return hr; |
| 122 | } |
| 123 | |
| 124 | |
| 125 | /******************************************************************** |
| 126 | XmlCreateDocument - |
| 127 | |
| 128 | *********************************************************************/ |
| 129 | extern "C" HRESULT DAPI XmlCreateDocument( |
| 130 | __in_opt LPCWSTR pwzElementName, |
| 131 | __out IXMLDOMDocument** ppixdDocument, |
| 132 | __out_opt IXMLDOMElement** ppixeRootElement |
| 133 | ) |
| 134 | { |
| 135 | HRESULT hr = S_OK; |
| 136 | BOOL (WINAPI *pfnDisableWow64)(__out PVOID* ) = NULL; |
| 137 | BOOLEAN (WINAPI *pfnEnableWow64)(__in BOOLEAN ) = NULL; |
| 138 | BOOL (WINAPI *pfnRevertWow64)(__in PVOID ) = NULL; |
| 139 | BOOL fWow64Available = FALSE; |
| 140 | void *pvWow64State = NULL; |
| 141 | |
| 142 | // RELEASEME |
| 143 | IXMLDOMElement* pixeRootElement = NULL; |
| 144 | IXMLDOMDocument *pixdDocument = NULL; |
| 145 | |
| 146 | // Test if we have access to the Wow64 API, and store the result in fWow64Available |
| 147 | HMODULE hKernel32 = ::GetModuleHandleA("kernel32.dll"); |
| 148 | XmlExitOnNullWithLastError(hKernel32, hr, "failed to get handle to kernel32.dll"); |
| 149 | |
| 150 | // This will test if we have access to the Wow64 API |
| 151 | if (NULL != GetProcAddress(hKernel32, "IsWow64Process")) |
| 152 | { |
| 153 | pfnDisableWow64 = (BOOL (WINAPI *)(PVOID *))::GetProcAddress(hKernel32, "Wow64DisableWow64FsRedirection"); |
| 154 | pfnEnableWow64 = (BOOLEAN (WINAPI *)(BOOLEAN))::GetProcAddress(hKernel32, "Wow64EnableWow64FsRedirection"); |
| 155 | pfnRevertWow64 = (BOOL (WINAPI *)(PVOID))::GetProcAddress(hKernel32, "Wow64RevertWow64FsRedirection"); |
| 156 | |
| 157 | fWow64Available = pfnDisableWow64 && pfnEnableWow64 && pfnRevertWow64; |
| 158 | } |
| 159 | |
| 160 | // create the top level XML document |
| 161 | AssertSz(vcXmlInitialized, "XmlInitialize() was not called"); |
| 162 | |
| 163 | // Enable Wow64 Redirection, if possible |
| 164 | if (fWow64Available) |
| 165 | { |
| 166 | // We want to enable Wow64 redirection, but the Wow64 API requires us to disable it first to get its current state (so we can revert it later) |
| 167 | pfnDisableWow64(&pvWow64State); |
| 168 | // If we fail to enable it, don't bother trying to disable it later on |
| 169 | fWow64Available = pfnEnableWow64(TRUE); |
| 170 | } |
| 171 | |
| 172 | hr = ::CoCreateInstance(vclsidXMLDOM, NULL, CLSCTX_INPROC_SERVER, XmlUtil_IID_IXMLDOMDocument, (void**)&pixdDocument); |
| 173 | XmlExitOnFailure(hr, "failed to create XML DOM Document"); |
| 174 | Assert(pixdDocument); |
| 175 | |
| 176 | if (IsEqualCLSID(vclsidXMLDOM, XmlUtil_CLSID_DOMDocument30) || IsEqualCLSID(vclsidXMLDOM, XmlUtil_CLSID_DOMDocument20)) |
| 177 | { |
| 178 | vfMsxml30 = TRUE; |
| 179 | } |
| 180 | |
| 181 | if (pwzElementName) |
| 182 | { |
| 183 | hr = XmlCreateElement(pixdDocument, pwzElementName, &pixeRootElement); |
| 184 | XmlExitOnFailure(hr, "failed XmlCreateElement"); |
| 185 | hr = pixdDocument->appendChild(pixeRootElement, NULL); |
| 186 | XmlExitOnFailure(hr, "failed appendChild"); |
| 187 | } |
| 188 | |
| 189 | *ppixdDocument = pixdDocument; |
| 190 | pixdDocument = NULL; |
| 191 | |
| 192 | if (ppixeRootElement) |
| 193 | { |
| 194 | *ppixeRootElement = pixeRootElement; |
| 195 | pixeRootElement = NULL; |
| 196 | } |
| 197 | |
| 198 | LExit: |
| 199 | // Re-disable Wow64 Redirection, if appropriate |
| 200 | if (fWow64Available && !pfnRevertWow64(pvWow64State)) |
| 201 | { |
| 202 | // If we expected to be able to revert, and couldn't, fail in the only graceful way we can |
| 203 | ::ExitProcess(1); |
| 204 | } |
| 205 | |
| 206 | ReleaseObject(pixeRootElement); |
| 207 | ReleaseObject(pixdDocument); |
| 208 | return hr; |
| 209 | } |
| 210 | |
| 211 | |
| 212 | /******************************************************************** |
| 213 | XmlLoadDocument - |
| 214 | |
| 215 | *********************************************************************/ |
| 216 | extern "C" HRESULT DAPI XmlLoadDocument( |
| 217 | __in_z LPCWSTR wzDocument, |
| 218 | __out IXMLDOMDocument** ppixdDocument |
| 219 | ) |
| 220 | { |
| 221 | return XmlLoadDocumentEx(wzDocument, 0, ppixdDocument); |
| 222 | } |
| 223 | |
| 224 | |
| 225 | /******************************************************************** |
| 226 | XmlReportParseError - |
| 227 | |
| 228 | *********************************************************************/ |
| 229 | static void XmlReportParseError( |
| 230 | __in IXMLDOMParseError* pixpe |
| 231 | ) |
| 232 | { |
| 233 | HRESULT hr = S_OK; |
| 234 | long lNumber = 0; |
| 235 | BSTR bstr = NULL; |
| 236 | |
| 237 | Trace(REPORT_STANDARD, "Failed to parse XML. IXMLDOMParseError reports:"); |
| 238 | |
| 239 | hr = pixpe->get_errorCode(&lNumber); |
| 240 | XmlExitOnFailure(hr, "Failed to query IXMLDOMParseError.errorCode."); |
| 241 | Trace(REPORT_STANDARD, "errorCode = 0x%x", lNumber); |
| 242 | |
| 243 | hr = pixpe->get_filepos(&lNumber); |
| 244 | XmlExitOnFailure(hr, "Failed to query IXMLDOMParseError.filepos."); |
| 245 | Trace(REPORT_STANDARD, "filepos = %d", lNumber); |
| 246 | |
| 247 | hr = pixpe->get_line(&lNumber); |
| 248 | XmlExitOnFailure(hr, "Failed to query IXMLDOMParseError.line."); |
| 249 | Trace(REPORT_STANDARD, "line = %d", lNumber); |
| 250 | |
| 251 | hr = pixpe->get_linepos(&lNumber); |
| 252 | XmlExitOnFailure(hr, "Failed to query IXMLDOMParseError.linepos."); |
| 253 | Trace(REPORT_STANDARD, "linepos = %d", lNumber); |
| 254 | |
| 255 | hr = pixpe->get_reason(&bstr); |
| 256 | XmlExitOnFailure(hr, "Failed to query IXMLDOMParseError.reason."); |
| 257 | Trace(REPORT_STANDARD, "reason = %ls", bstr); |
| 258 | ReleaseNullBSTR(bstr); |
| 259 | |
| 260 | hr = pixpe->get_srcText (&bstr); |
| 261 | XmlExitOnFailure(hr, "Failed to query IXMLDOMParseError.srcText ."); |
| 262 | Trace(REPORT_STANDARD, "srcText = %ls", bstr); |
| 263 | ReleaseNullBSTR(bstr); |
| 264 | |
| 265 | LExit: |
| 266 | ReleaseBSTR(bstr); |
| 267 | } |
| 268 | |
| 269 | /******************************************************************** |
| 270 | XmlLoadDocumentEx - |
| 271 | |
| 272 | *********************************************************************/ |
| 273 | extern "C" HRESULT DAPI XmlLoadDocumentEx( |
| 274 | __in_z LPCWSTR wzDocument, |
| 275 | __in DWORD dwAttributes, |
| 276 | __out IXMLDOMDocument** ppixdDocument |
| 277 | ) |
| 278 | { |
| 279 | HRESULT hr = S_OK; |
| 280 | VARIANT_BOOL vbSuccess = 0; |
| 281 | |
| 282 | // RELEASEME |
| 283 | IXMLDOMDocument* pixd = NULL; |
| 284 | IXMLDOMParseError* pixpe = NULL; |
| 285 | BSTR bstrLoad = NULL; |
| 286 | |
| 287 | if (!wzDocument || !*wzDocument) |
| 288 | { |
| 289 | hr = E_UNEXPECTED; |
| 290 | XmlExitOnFailure(hr, "string must be non-null"); |
| 291 | } |
| 292 | |
| 293 | hr = XmlCreateDocument(NULL, &pixd); |
| 294 | if (hr == S_FALSE) |
| 295 | { |
| 296 | hr = E_FAIL; |
| 297 | } |
| 298 | XmlExitOnFailure(hr, "failed XmlCreateDocument"); |
| 299 | |
| 300 | if (dwAttributes & XML_LOAD_PRESERVE_WHITESPACE) |
| 301 | { |
| 302 | hr = pixd->put_preserveWhiteSpace(VARIANT_TRUE); |
| 303 | XmlExitOnFailure(hr, "failed put_preserveWhiteSpace"); |
| 304 | } |
| 305 | |
| 306 | // Security issue. Avoid triggering anything external. |
| 307 | hr = pixd->put_validateOnParse(VARIANT_FALSE); |
| 308 | XmlExitOnFailure(hr, "failed put_validateOnParse"); |
| 309 | hr = pixd->put_resolveExternals(VARIANT_FALSE); |
| 310 | XmlExitOnFailure(hr, "failed put_resolveExternals"); |
| 311 | |
| 312 | bstrLoad = ::SysAllocString(wzDocument); |
| 313 | XmlExitOnNull(bstrLoad, hr, E_OUTOFMEMORY, "failed to allocate bstr for Load in XmlLoadDocumentEx"); |
| 314 | |
| 315 | hr = pixd->loadXML(bstrLoad, &vbSuccess); |
| 316 | if (S_FALSE == hr) |
| 317 | { |
| 318 | hr = HRESULT_FROM_WIN32(ERROR_OPEN_FAILED); |
| 319 | } |
| 320 | |
| 321 | if (FAILED(hr) && S_OK == pixd->get_parseError(&pixpe)) |
| 322 | { |
| 323 | XmlReportParseError(pixpe); |
| 324 | } |
| 325 | |
| 326 | XmlExitOnFailure(hr, "failed loadXML"); |
| 327 | |
| 328 | |
| 329 | hr = S_OK; |
| 330 | LExit: |
| 331 | if (ppixdDocument) |
| 332 | { |
| 333 | *ppixdDocument = pixd; |
| 334 | pixd = NULL; |
| 335 | } |
| 336 | ReleaseBSTR(bstrLoad); |
| 337 | ReleaseObject(pixd); |
| 338 | ReleaseObject(pixpe); |
| 339 | |
| 340 | return hr; |
| 341 | } |
| 342 | |
| 343 | |
| 344 | /******************************************************************* |
| 345 | XmlLoadDocumentFromFile |
| 346 | |
| 347 | ********************************************************************/ |
| 348 | extern "C" HRESULT DAPI XmlLoadDocumentFromFile( |
| 349 | __in_z LPCWSTR wzPath, |
| 350 | __out IXMLDOMDocument** ppixdDocument |
| 351 | ) |
| 352 | { |
| 353 | return XmlLoadDocumentFromFileEx(wzPath, 0, ppixdDocument); |
| 354 | } |
| 355 | |
| 356 | |
| 357 | /******************************************************************* |
| 358 | XmlLoadDocumentFromFileEx |
| 359 | |
| 360 | ********************************************************************/ |
| 361 | extern "C" HRESULT DAPI XmlLoadDocumentFromFileEx( |
| 362 | __in_z LPCWSTR wzPath, |
| 363 | __in DWORD dwAttributes, |
| 364 | __out IXMLDOMDocument** ppixdDocument |
| 365 | ) |
| 366 | { |
| 367 | HRESULT hr = S_OK; |
| 368 | VARIANT varPath; |
| 369 | VARIANT_BOOL vbSuccess = 0; |
| 370 | |
| 371 | IXMLDOMDocument* pixd = NULL; |
| 372 | IXMLDOMParseError* pixpe = NULL; |
| 373 | |
| 374 | ::VariantInit(&varPath); |
| 375 | varPath.vt = VT_BSTR; |
| 376 | varPath.bstrVal = ::SysAllocString(wzPath); |
| 377 | XmlExitOnNull(varPath.bstrVal, hr, E_OUTOFMEMORY, "failed to allocate bstr for Path in XmlLoadDocumentFromFileEx"); |
| 378 | |
| 379 | hr = XmlCreateDocument(NULL, &pixd); |
| 380 | if (hr == S_FALSE) |
| 381 | { |
| 382 | hr = E_FAIL; |
| 383 | } |
| 384 | XmlExitOnFailure(hr, "failed XmlCreateDocument"); |
| 385 | |
| 386 | if (dwAttributes & XML_LOAD_PRESERVE_WHITESPACE) |
| 387 | { |
| 388 | hr = pixd->put_preserveWhiteSpace(VARIANT_TRUE); |
| 389 | XmlExitOnFailure(hr, "failed put_preserveWhiteSpace"); |
| 390 | } |
| 391 | |
| 392 | // Avoid triggering anything external. |
| 393 | hr = pixd->put_validateOnParse(VARIANT_FALSE); |
| 394 | XmlExitOnFailure(hr, "failed put_validateOnParse"); |
| 395 | hr = pixd->put_resolveExternals(VARIANT_FALSE); |
| 396 | XmlExitOnFailure(hr, "failed put_resolveExternals"); |
| 397 | |
| 398 | pixd->put_async(VARIANT_FALSE); |
| 399 | hr = pixd->load(varPath, &vbSuccess); |
| 400 | if (S_FALSE == hr) |
| 401 | { |
| 402 | hr = HRESULT_FROM_WIN32(ERROR_OPEN_FAILED); |
| 403 | } |
| 404 | |
| 405 | if (FAILED(hr) && S_OK == pixd->get_parseError(&pixpe)) |
| 406 | { |
| 407 | XmlReportParseError(pixpe); |
| 408 | } |
| 409 | |
| 410 | XmlExitOnFailure(hr, "failed to load XML from: %ls", wzPath); |
| 411 | |
| 412 | if (ppixdDocument) |
| 413 | { |
| 414 | *ppixdDocument = pixd; |
| 415 | pixd = NULL; |
| 416 | } |
| 417 | |
| 418 | hr = S_OK; |
| 419 | LExit: |
| 420 | ReleaseVariant(varPath); |
| 421 | ReleaseObject(pixd); |
| 422 | ReleaseObject(pixpe); |
| 423 | |
| 424 | return hr; |
| 425 | } |
| 426 | |
| 427 | |
| 428 | /******************************************************************** |
| 429 | XmlLoadDocumentFromBuffer |
| 430 | |
| 431 | *********************************************************************/ |
| 432 | extern "C" HRESULT DAPI XmlLoadDocumentFromBuffer( |
| 433 | __in_bcount(cbSource) const BYTE* pbSource, |
| 434 | __in SIZE_T cbSource, |
| 435 | __out IXMLDOMDocument** ppixdDocument |
| 436 | ) |
| 437 | { |
| 438 | HRESULT hr = S_OK; |
| 439 | IXMLDOMDocument* pixdDocument = NULL; |
| 440 | SAFEARRAY sa = { }; |
| 441 | VARIANT vtXmlSource; |
| 442 | VARIANT_BOOL vbSuccess = 0; |
| 443 | |
| 444 | ::VariantInit(&vtXmlSource); |
| 445 | |
| 446 | // create document |
| 447 | hr = XmlCreateDocument(NULL, &pixdDocument); |
| 448 | if (hr == S_FALSE) |
| 449 | { |
| 450 | hr = E_FAIL; |
| 451 | } |
| 452 | XmlExitOnFailure(hr, "failed XmlCreateDocument"); |
| 453 | |
| 454 | // Security issue. Avoid triggering anything external. |
| 455 | hr = pixdDocument->put_validateOnParse(VARIANT_FALSE); |
| 456 | XmlExitOnFailure(hr, "failed put_validateOnParse"); |
| 457 | hr = pixdDocument->put_resolveExternals(VARIANT_FALSE); |
| 458 | XmlExitOnFailure(hr, "failed put_resolveExternals"); |
| 459 | |
| 460 | // load document |
| 461 | sa.cDims = 1; |
| 462 | sa.fFeatures = FADF_STATIC | FADF_FIXEDSIZE; |
| 463 | sa.cbElements = 1; |
| 464 | sa.pvData = (PVOID)pbSource; |
| 465 | sa.rgsabound[0].cElements = (ULONG)cbSource; |
| 466 | vtXmlSource.vt = VT_ARRAY | VT_UI1; |
| 467 | vtXmlSource.parray = &sa; |
| 468 | |
| 469 | hr = pixdDocument->load(vtXmlSource, &vbSuccess); |
| 470 | if (S_FALSE == hr) |
| 471 | { |
| 472 | hr = HRESULT_FROM_WIN32(ERROR_OPEN_FAILED); |
| 473 | } |
| 474 | XmlExitOnFailure(hr, "failed loadXML"); |
| 475 | |
| 476 | // return value |
| 477 | *ppixdDocument = pixdDocument; |
| 478 | pixdDocument = NULL; |
| 479 | |
| 480 | LExit: |
| 481 | ReleaseObject(pixdDocument); |
| 482 | return hr; |
| 483 | } |
| 484 | |
| 485 | |
| 486 | /******************************************************************** |
| 487 | XmlSetAttribute - |
| 488 | |
| 489 | *********************************************************************/ |
| 490 | extern "C" HRESULT DAPI XmlSetAttribute( |
| 491 | __in IXMLDOMNode* pixnNode, |
| 492 | __in_z LPCWSTR pwzAttribute, |
| 493 | __in_z LPCWSTR pwzAttributeValue |
| 494 | ) |
| 495 | { |
| 496 | HRESULT hr = S_OK; |
| 497 | VARIANT varAttributeValue; |
| 498 | ::VariantInit(&varAttributeValue); |
| 499 | |
| 500 | // RELEASEME |
| 501 | IXMLDOMDocument* pixdDocument = NULL; |
| 502 | IXMLDOMNamedNodeMap* pixnnmAttributes = NULL; |
| 503 | IXMLDOMAttribute* pixaAttribute = NULL; |
| 504 | IXMLDOMNode* pixaNode = NULL; |
| 505 | BSTR bstrAttributeName = ::SysAllocString(pwzAttribute); |
| 506 | XmlExitOnNull(bstrAttributeName, hr, E_OUTOFMEMORY, "failed to allocate bstr for AttributeName in XmlSetAttribute"); |
| 507 | |
| 508 | hr = pixnNode->get_attributes(&pixnnmAttributes); |
| 509 | XmlExitOnFailure(hr, "failed get_attributes in XmlSetAttribute(%ls)", pwzAttribute); |
| 510 | |
| 511 | hr = pixnNode->get_ownerDocument(&pixdDocument); |
| 512 | if (hr == S_FALSE) |
| 513 | { |
| 514 | hr = E_FAIL; |
| 515 | } |
| 516 | XmlExitOnFailure(hr, "failed get_ownerDocument in XmlSetAttribute"); |
| 517 | |
| 518 | hr = pixdDocument->createAttribute(bstrAttributeName, &pixaAttribute); |
| 519 | XmlExitOnFailure(hr, "failed createAttribute in XmlSetAttribute(%ls)", pwzAttribute); |
| 520 | |
| 521 | varAttributeValue.vt = VT_BSTR; |
| 522 | varAttributeValue.bstrVal = ::SysAllocString(pwzAttributeValue); |
| 523 | if (!varAttributeValue.bstrVal) |
| 524 | { |
| 525 | hr = HRESULT_FROM_WIN32(ERROR_OUTOFMEMORY); |
| 526 | } |
| 527 | XmlExitOnFailure(hr, "failed SysAllocString in XmlSetAttribute"); |
| 528 | |
| 529 | hr = pixaAttribute->put_nodeValue(varAttributeValue); |
| 530 | XmlExitOnFailure(hr, "failed put_nodeValue in XmlSetAttribute(%ls)", pwzAttribute); |
| 531 | |
| 532 | hr = pixnnmAttributes->setNamedItem(pixaAttribute, &pixaNode); |
| 533 | XmlExitOnFailure(hr, "failed setNamedItem in XmlSetAttribute(%ls)", pwzAttribute); |
| 534 | |
| 535 | LExit: |
| 536 | ReleaseObject(pixdDocument); |
| 537 | ReleaseObject(pixnnmAttributes); |
| 538 | ReleaseObject(pixaAttribute); |
| 539 | ReleaseObject(pixaNode); |
| 540 | ReleaseBSTR(varAttributeValue.bstrVal); |
| 541 | ReleaseBSTR(bstrAttributeName); |
| 542 | |
| 543 | return hr; |
| 544 | } |
| 545 | |
| 546 | |
| 547 | /******************************************************************** |
| 548 | XmlSelectSingleNode - |
| 549 | |
| 550 | *********************************************************************/ |
| 551 | extern "C" HRESULT DAPI XmlSelectSingleNode( |
| 552 | __in IXMLDOMNode* pixnParent, |
| 553 | __in_z LPCWSTR wzXPath, |
| 554 | __out IXMLDOMNode **ppixnChild |
| 555 | ) |
| 556 | { |
| 557 | HRESULT hr = S_OK; |
| 558 | |
| 559 | BSTR bstrXPath = NULL; |
| 560 | |
| 561 | XmlExitOnNull(pixnParent, hr, E_UNEXPECTED, "pixnParent parameter was null in XmlSelectSingleNode"); |
| 562 | XmlExitOnNull(ppixnChild, hr, E_UNEXPECTED, "ppixnChild parameter was null in XmlSelectSingleNode"); |
| 563 | |
| 564 | bstrXPath = ::SysAllocString(wzXPath ? wzXPath : L""); |
| 565 | XmlExitOnNull(bstrXPath, hr, E_OUTOFMEMORY, "failed to allocate bstr for XPath expression in XmlSelectSingleNode"); |
| 566 | |
| 567 | hr = pixnParent->selectSingleNode(bstrXPath, ppixnChild); |
| 568 | |
| 569 | LExit: |
| 570 | ReleaseBSTR(bstrXPath); |
| 571 | |
| 572 | return hr; |
| 573 | } |
| 574 | |
| 575 | |
| 576 | /******************************************************************** |
| 577 | XmlCreateTextNode - |
| 578 | |
| 579 | *********************************************************************/ |
| 580 | extern "C" HRESULT DAPI XmlCreateTextNode( |
| 581 | __in IXMLDOMDocument *pixdDocument, |
| 582 | __in_z LPCWSTR wzText, |
| 583 | __out IXMLDOMText **ppixnTextNode |
| 584 | ) |
| 585 | { |
| 586 | if (!ppixnTextNode || !pixdDocument) |
| 587 | { |
| 588 | return E_INVALIDARG; |
| 589 | } |
| 590 | |
| 591 | HRESULT hr = S_OK; |
| 592 | BSTR bstrText = ::SysAllocString(wzText); |
| 593 | XmlExitOnNull(bstrText, hr, E_OUTOFMEMORY, "failed SysAllocString"); |
| 594 | hr = pixdDocument->createTextNode(bstrText, ppixnTextNode); |
| 595 | LExit: |
| 596 | ReleaseBSTR(bstrText); |
| 597 | |
| 598 | return hr; |
| 599 | } |
| 600 | |
| 601 | |
| 602 | /******************************************************************** |
| 603 | XmlGetText |
| 604 | |
| 605 | *********************************************************************/ |
| 606 | extern "C" HRESULT DAPI XmlGetText( |
| 607 | __in IXMLDOMNode* pixnNode, |
| 608 | __deref_out_z BSTR* pbstrText |
| 609 | ) |
| 610 | { |
| 611 | return pixnNode->get_text(pbstrText); |
| 612 | } |
| 613 | |
| 614 | |
| 615 | /******************************************************************** |
| 616 | XmlGetAttribute |
| 617 | |
| 618 | *********************************************************************/ |
| 619 | extern "C" HRESULT DAPI XmlGetAttribute( |
| 620 | __in IXMLDOMNode* pixnNode, |
| 621 | __in_z LPCWSTR pwzAttribute, |
| 622 | __deref_out_z BSTR* pbstrAttributeValue |
| 623 | ) |
| 624 | { |
| 625 | Assert(pixnNode); |
| 626 | HRESULT hr = S_OK; |
| 627 | |
| 628 | // RELEASEME |
| 629 | IXMLDOMNamedNodeMap* pixnnmAttributes = NULL; |
| 630 | IXMLDOMNode* pixnAttribute = NULL; |
| 631 | VARIANT varAttributeValue; |
| 632 | BSTR bstrAttribute = SysAllocString(pwzAttribute); |
| 633 | |
| 634 | // INIT |
| 635 | ::VariantInit(&varAttributeValue); |
| 636 | |
| 637 | // get attribute value from source |
| 638 | hr = pixnNode->get_attributes(&pixnnmAttributes); |
| 639 | XmlExitOnFailure(hr, "failed get_attributes"); |
| 640 | |
| 641 | hr = XmlGetNamedItem(pixnnmAttributes, bstrAttribute, &pixnAttribute); |
| 642 | if (S_FALSE == hr) |
| 643 | { |
| 644 | // hr = E_FAIL; |
| 645 | ExitFunction(); |
| 646 | } |
| 647 | XmlExitOnFailure(hr, "failed getNamedItem in XmlGetAttribute(%ls)", pwzAttribute); |
| 648 | |
| 649 | hr = pixnAttribute->get_nodeValue(&varAttributeValue); |
| 650 | XmlExitOnFailure(hr, "failed get_nodeValue in XmlGetAttribute(%ls)", pwzAttribute); |
| 651 | |
| 652 | // steal the BSTR from the VARIANT |
| 653 | if (S_OK == hr && pbstrAttributeValue) |
| 654 | { |
| 655 | *pbstrAttributeValue = varAttributeValue.bstrVal; |
| 656 | varAttributeValue.bstrVal = NULL; |
| 657 | } |
| 658 | |
| 659 | LExit: |
| 660 | ReleaseObject(pixnnmAttributes); |
| 661 | ReleaseObject(pixnAttribute); |
| 662 | ReleaseVariant(varAttributeValue); |
| 663 | ReleaseBSTR(bstrAttribute); |
| 664 | |
| 665 | return hr; |
| 666 | } |
| 667 | |
| 668 | |
| 669 | /******************************************************************** |
| 670 | XmlGetAttributeEx |
| 671 | |
| 672 | *********************************************************************/ |
| 673 | HRESULT DAPI XmlGetAttributeEx( |
| 674 | __in IXMLDOMNode* pixnNode, |
| 675 | __in_z LPCWSTR wzAttribute, |
| 676 | __deref_out_z LPWSTR* psczAttributeValue |
| 677 | ) |
| 678 | { |
| 679 | Assert(pixnNode); |
| 680 | HRESULT hr = S_OK; |
| 681 | IXMLDOMNamedNodeMap* pixnnmAttributes = NULL; |
| 682 | IXMLDOMNode* pixnAttribute = NULL; |
| 683 | VARIANT varAttributeValue; |
| 684 | BSTR bstrAttribute = NULL; |
| 685 | |
| 686 | ::VariantInit(&varAttributeValue); |
| 687 | |
| 688 | // get attribute value from source |
| 689 | hr = pixnNode->get_attributes(&pixnnmAttributes); |
| 690 | XmlExitOnFailure(hr, "Failed get_attributes."); |
| 691 | |
| 692 | bstrAttribute = ::SysAllocString(wzAttribute); |
| 693 | XmlExitOnNull(bstrAttribute, hr, E_OUTOFMEMORY, "Failed to allocate attribute name BSTR."); |
| 694 | |
| 695 | hr = XmlGetNamedItem(pixnnmAttributes, bstrAttribute, &pixnAttribute); |
| 696 | if (S_FALSE == hr) |
| 697 | { |
| 698 | ExitFunction1(hr = E_NOTFOUND); |
| 699 | } |
| 700 | XmlExitOnFailure(hr, "Failed getNamedItem in XmlGetAttribute(%ls)", wzAttribute); |
| 701 | |
| 702 | hr = pixnAttribute->get_nodeValue(&varAttributeValue); |
| 703 | if (S_FALSE == hr) |
| 704 | { |
| 705 | ExitFunction1(hr = E_NOTFOUND); |
| 706 | } |
| 707 | XmlExitOnFailure(hr, "Failed get_nodeValue in XmlGetAttribute(%ls)", wzAttribute); |
| 708 | |
| 709 | // copy value |
| 710 | hr = StrAllocString(psczAttributeValue, varAttributeValue.bstrVal, 0); |
| 711 | XmlExitOnFailure(hr, "Failed to copy attribute value."); |
| 712 | |
| 713 | LExit: |
| 714 | ReleaseObject(pixnnmAttributes); |
| 715 | ReleaseObject(pixnAttribute); |
| 716 | ReleaseVariant(varAttributeValue); |
| 717 | ReleaseBSTR(bstrAttribute); |
| 718 | |
| 719 | return hr; |
| 720 | } |
| 721 | |
| 722 | |
| 723 | /******************************************************************** |
| 724 | XmlGetYesNoAttribute |
| 725 | |
| 726 | *********************************************************************/ |
| 727 | HRESULT DAPI XmlGetYesNoAttribute( |
| 728 | __in IXMLDOMNode* pixnNode, |
| 729 | __in_z LPCWSTR wzAttribute, |
| 730 | __out BOOL* pfYes |
| 731 | ) |
| 732 | { |
| 733 | HRESULT hr = S_OK; |
| 734 | LPWSTR sczValue = NULL; |
| 735 | |
| 736 | hr = XmlGetAttributeEx(pixnNode, wzAttribute, &sczValue); |
| 737 | if (E_NOTFOUND != hr) |
| 738 | { |
| 739 | XmlExitOnFailure(hr, "Failed to get attribute."); |
| 740 | |
| 741 | *pfYes = CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, 0, sczValue, -1, L"yes", -1); |
| 742 | } |
| 743 | |
| 744 | LExit: |
| 745 | ReleaseStr(sczValue); |
| 746 | |
| 747 | return hr; |
| 748 | } |
| 749 | |
| 750 | |
| 751 | |
| 752 | /******************************************************************** |
| 753 | XmlGetAttributeNumber |
| 754 | |
| 755 | *********************************************************************/ |
| 756 | extern "C" HRESULT DAPI XmlGetAttributeNumber( |
| 757 | __in IXMLDOMNode* pixnNode, |
| 758 | __in_z LPCWSTR pwzAttribute, |
| 759 | __out DWORD* pdwValue |
| 760 | ) |
| 761 | { |
| 762 | HRESULT hr = XmlGetAttributeNumberBase(pixnNode, pwzAttribute, 10, pdwValue); |
| 763 | return hr; |
| 764 | } |
| 765 | |
| 766 | |
| 767 | /******************************************************************** |
| 768 | XmlGetAttributeNumberBase |
| 769 | |
| 770 | *********************************************************************/ |
| 771 | extern "C" HRESULT DAPI XmlGetAttributeNumberBase( |
| 772 | __in IXMLDOMNode* pixnNode, |
| 773 | __in_z LPCWSTR pwzAttribute, |
| 774 | __in int nBase, |
| 775 | __out DWORD* pdwValue |
| 776 | ) |
| 777 | { |
| 778 | HRESULT hr = S_OK; |
| 779 | BSTR bstrPointer = NULL; |
| 780 | |
| 781 | hr = XmlGetAttribute(pixnNode, pwzAttribute, &bstrPointer); |
| 782 | XmlExitOnFailure(hr, "Failed to get value from attribute."); |
| 783 | |
| 784 | if (S_OK == hr) |
| 785 | { |
| 786 | *pdwValue = wcstoul(bstrPointer, NULL, nBase); |
| 787 | } |
| 788 | |
| 789 | LExit: |
| 790 | ReleaseBSTR(bstrPointer); |
| 791 | return hr; |
| 792 | } |
| 793 | |
| 794 | |
| 795 | /******************************************************************** |
| 796 | XmlGetAttributeUInt16 |
| 797 | |
| 798 | *********************************************************************/ |
| 799 | extern "C" HRESULT DAPI XmlGetAttributeUInt16( |
| 800 | __in IXMLDOMNode* pixnNode, |
| 801 | __in_z LPCWSTR pwzAttribute, |
| 802 | __out WORD* pwValue |
| 803 | ) |
| 804 | { |
| 805 | HRESULT hr = S_OK; |
| 806 | BSTR bstrValue = NULL; |
| 807 | |
| 808 | hr = XmlGetAttribute(pixnNode, pwzAttribute, &bstrValue); |
| 809 | XmlExitOnFailure(hr, "failed XmlGetAttribute"); |
| 810 | |
| 811 | if (S_OK == hr) |
| 812 | { |
| 813 | WORD w = 0; |
| 814 | hr = StrStringToUInt16(bstrValue, 0, &w); |
| 815 | XmlExitOnFailure(hr, "Failed to treat attribute value as UInt16."); |
| 816 | |
| 817 | *pwValue = w; |
| 818 | } |
| 819 | else |
| 820 | { |
| 821 | *pwValue = 0; |
| 822 | } |
| 823 | |
| 824 | LExit: |
| 825 | ReleaseBSTR(bstrValue); |
| 826 | return hr; |
| 827 | } |
| 828 | |
| 829 | |
| 830 | /******************************************************************** |
| 831 | XmlGetAttributeInt32 |
| 832 | |
| 833 | *********************************************************************/ |
| 834 | extern "C" HRESULT DAPI XmlGetAttributeInt32( |
| 835 | __in IXMLDOMNode* pixnNode, |
| 836 | __in_z LPCWSTR pwzAttribute, |
| 837 | __out int* piValue |
| 838 | ) |
| 839 | { |
| 840 | HRESULT hr = S_OK; |
| 841 | BSTR bstrValue = NULL; |
| 842 | |
| 843 | hr = XmlGetAttribute(pixnNode, pwzAttribute, &bstrValue); |
| 844 | XmlExitOnFailure(hr, "failed XmlGetAttribute"); |
| 845 | |
| 846 | if (S_OK == hr) |
| 847 | { |
| 848 | int i = 0; |
| 849 | hr = StrStringToInt32(bstrValue, 0, &i); |
| 850 | XmlExitOnFailure(hr, "Failed to treat attribute value as Int32."); |
| 851 | |
| 852 | *piValue = i; |
| 853 | } |
| 854 | else |
| 855 | { |
| 856 | *piValue = 0; |
| 857 | } |
| 858 | |
| 859 | LExit: |
| 860 | ReleaseBSTR(bstrValue); |
| 861 | return hr; |
| 862 | } |
| 863 | |
| 864 | |
| 865 | /******************************************************************** |
| 866 | XmlGetAttributeUInt32 |
| 867 | |
| 868 | *********************************************************************/ |
| 869 | extern "C" HRESULT DAPI XmlGetAttributeUInt32( |
| 870 | __in IXMLDOMNode* pixnNode, |
| 871 | __in_z LPCWSTR pwzAttribute, |
| 872 | __out DWORD* pdwValue |
| 873 | ) |
| 874 | { |
| 875 | HRESULT hr = S_OK; |
| 876 | BSTR bstrValue = NULL; |
| 877 | |
| 878 | hr = XmlGetAttribute(pixnNode, pwzAttribute, &bstrValue); |
| 879 | XmlExitOnFailure(hr, "failed XmlGetAttribute"); |
| 880 | |
| 881 | if (S_OK == hr) |
| 882 | { |
| 883 | UINT dw = 0; |
| 884 | hr = StrStringToUInt32(bstrValue, 0, &dw); |
| 885 | XmlExitOnFailure(hr, "Failed to treat attribute value as UInt32."); |
| 886 | |
| 887 | *pdwValue = dw; |
| 888 | } |
| 889 | else |
| 890 | { |
| 891 | *pdwValue = 0; |
| 892 | } |
| 893 | |
| 894 | LExit: |
| 895 | ReleaseBSTR(bstrValue); |
| 896 | return hr; |
| 897 | } |
| 898 | |
| 899 | |
| 900 | /******************************************************************** |
| 901 | XmlGetAttributeUInt64 |
| 902 | |
| 903 | *********************************************************************/ |
| 904 | extern "C" HRESULT DAPI XmlGetAttributeUInt64( |
| 905 | __in IXMLDOMNode* pixnNode, |
| 906 | __in_z LPCWSTR pwzAttribute, |
| 907 | __out DWORD64* pqwValue |
| 908 | ) |
| 909 | { |
| 910 | HRESULT hr = S_OK; |
| 911 | BSTR bstrValue = NULL; |
| 912 | |
| 913 | hr = XmlGetAttribute(pixnNode, pwzAttribute, &bstrValue); |
| 914 | XmlExitOnFailure(hr, "failed XmlGetAttribute"); |
| 915 | |
| 916 | if (S_OK == hr) |
| 917 | { |
| 918 | DWORD64 qw = 0; |
| 919 | hr = StrStringToUInt64(bstrValue, 0, &qw); |
| 920 | XmlExitOnFailure(hr, "Failed to treat attribute value as UInt64."); |
| 921 | |
| 922 | *pqwValue = qw; |
| 923 | } |
| 924 | else |
| 925 | { |
| 926 | *pqwValue = 0; |
| 927 | } |
| 928 | |
| 929 | LExit: |
| 930 | ReleaseBSTR(bstrValue); |
| 931 | return hr; |
| 932 | } |
| 933 | |
| 934 | |
| 935 | /******************************************************************** |
| 936 | XmlGetNamedItem - |
| 937 | |
| 938 | *********************************************************************/ |
| 939 | extern "C" HRESULT DAPI XmlGetNamedItem( |
| 940 | __in IXMLDOMNamedNodeMap *pixnmAttributes, |
| 941 | __in_opt LPCWSTR wzName, |
| 942 | __out IXMLDOMNode **ppixnNamedItem |
| 943 | ) |
| 944 | { |
| 945 | if (!pixnmAttributes || !ppixnNamedItem) |
| 946 | { |
| 947 | return E_INVALIDARG; |
| 948 | } |
| 949 | |
| 950 | HRESULT hr = S_OK; |
| 951 | BSTR bstrName = ::SysAllocString(wzName); |
| 952 | XmlExitOnNull(bstrName, hr, E_OUTOFMEMORY, "failed SysAllocString"); |
| 953 | |
| 954 | hr = pixnmAttributes->getNamedItem(bstrName, ppixnNamedItem); |
| 955 | |
| 956 | LExit: |
| 957 | ReleaseBSTR(bstrName); |
| 958 | return hr; |
| 959 | } |
| 960 | |
| 961 | |
| 962 | /******************************************************************** |
| 963 | XmlSetText - |
| 964 | |
| 965 | *********************************************************************/ |
| 966 | extern "C" HRESULT DAPI XmlSetText( |
| 967 | __in IXMLDOMNode *pixnNode, |
| 968 | __in_z LPCWSTR pwzText |
| 969 | ) |
| 970 | { |
| 971 | Assert(pixnNode && pwzText); |
| 972 | HRESULT hr = S_OK; |
| 973 | DOMNodeType dnType; |
| 974 | |
| 975 | // RELEASEME |
| 976 | IXMLDOMDocument* pixdDocument = NULL; |
| 977 | IXMLDOMNodeList* pixnlNodeList = NULL; |
| 978 | IXMLDOMNode* pixnChildNode = NULL; |
| 979 | IXMLDOMText* pixtTextNode = NULL; |
| 980 | VARIANT varText; |
| 981 | |
| 982 | ::VariantInit(&varText); |
| 983 | |
| 984 | // find the text node |
| 985 | hr = pixnNode->get_childNodes(&pixnlNodeList); |
| 986 | XmlExitOnFailure(hr, "failed to get child nodes"); |
| 987 | |
| 988 | while (S_OK == (hr = pixnlNodeList->nextNode(&pixnChildNode))) |
| 989 | { |
| 990 | hr = pixnChildNode->get_nodeType(&dnType); |
| 991 | XmlExitOnFailure(hr, "failed to get node type"); |
| 992 | |
| 993 | if (NODE_TEXT == dnType) |
| 994 | break; |
| 995 | ReleaseNullObject(pixnChildNode); |
| 996 | } |
| 997 | if (S_FALSE == hr) |
| 998 | { |
| 999 | hr = S_OK; |
| 1000 | } |
| 1001 | |
| 1002 | if (pixnChildNode) |
| 1003 | { |
| 1004 | varText.vt = VT_BSTR; |
| 1005 | varText.bstrVal = ::SysAllocString(pwzText); |
| 1006 | if (!varText.bstrVal) |
| 1007 | { |
| 1008 | hr = HRESULT_FROM_WIN32(ERROR_OUTOFMEMORY); |
| 1009 | } |
| 1010 | XmlExitOnFailure(hr, "failed SysAllocString in XmlSetText"); |
| 1011 | |
| 1012 | hr = pixnChildNode->put_nodeValue(varText); |
| 1013 | XmlExitOnFailure(hr, "failed IXMLDOMNode::put_nodeValue"); |
| 1014 | } |
| 1015 | else |
| 1016 | { |
| 1017 | hr = pixnNode->get_ownerDocument(&pixdDocument); |
| 1018 | if (hr == S_FALSE) |
| 1019 | { |
| 1020 | hr = E_FAIL; |
| 1021 | } |
| 1022 | XmlExitOnFailure(hr, "failed get_ownerDocument in XmlSetAttribute"); |
| 1023 | |
| 1024 | hr = XmlCreateTextNode(pixdDocument, pwzText, &pixtTextNode); |
| 1025 | XmlExitOnFailure(hr, "failed createTextNode in XmlSetText(%ls)", pwzText); |
| 1026 | |
| 1027 | hr = pixnNode->appendChild(pixtTextNode, NULL); |
| 1028 | XmlExitOnFailure(hr, "failed appendChild in XmlSetText(%ls)", pwzText); |
| 1029 | } |
| 1030 | |
| 1031 | hr = *pwzText ? S_OK : S_FALSE; |
| 1032 | |
| 1033 | LExit: |
| 1034 | ReleaseObject(pixnlNodeList); |
| 1035 | ReleaseObject(pixnChildNode); |
| 1036 | ReleaseObject(pixdDocument); |
| 1037 | ReleaseObject(pixtTextNode); |
| 1038 | ReleaseVariant(varText); |
| 1039 | return hr; |
| 1040 | } |
| 1041 | |
| 1042 | |
| 1043 | /******************************************************************** |
| 1044 | XmlSetTextNumber - |
| 1045 | |
| 1046 | *********************************************************************/ |
| 1047 | extern "C" HRESULT DAPI XmlSetTextNumber( |
| 1048 | __in IXMLDOMNode *pixnNode, |
| 1049 | __in DWORD dwValue |
| 1050 | ) |
| 1051 | { |
| 1052 | HRESULT hr = S_OK; |
| 1053 | WCHAR wzValue[12]; |
| 1054 | |
| 1055 | hr = ::StringCchPrintfW(wzValue, countof(wzValue), L"%u", dwValue); |
| 1056 | XmlExitOnFailure(hr, "Failed to format numeric value as string."); |
| 1057 | |
| 1058 | hr = XmlSetText(pixnNode, wzValue); |
| 1059 | |
| 1060 | LExit: |
| 1061 | return hr; |
| 1062 | } |
| 1063 | |
| 1064 | |
| 1065 | /******************************************************************** |
| 1066 | XmlCreateChild - |
| 1067 | |
| 1068 | *********************************************************************/ |
| 1069 | extern "C" HRESULT DAPI XmlCreateChild( |
| 1070 | __in IXMLDOMNode* pixnParent, |
| 1071 | __in_z LPCWSTR pwzElementType, |
| 1072 | __out IXMLDOMNode** ppixnChild |
| 1073 | ) |
| 1074 | { |
| 1075 | HRESULT hr = S_OK; |
| 1076 | |
| 1077 | // RELEASEME |
| 1078 | IXMLDOMDocument* pixdDocument = NULL; |
| 1079 | IXMLDOMNode* pixnChild = NULL; |
| 1080 | |
| 1081 | hr = pixnParent->get_ownerDocument(&pixdDocument); |
| 1082 | if (hr == S_FALSE) |
| 1083 | { |
| 1084 | hr = E_FAIL; |
| 1085 | } |
| 1086 | XmlExitOnFailure(hr, "failed get_ownerDocument"); |
| 1087 | |
| 1088 | hr = XmlCreateElement(pixdDocument, pwzElementType, (IXMLDOMElement**) &pixnChild); |
| 1089 | if (hr == S_FALSE) |
| 1090 | { |
| 1091 | hr = E_FAIL; |
| 1092 | } |
| 1093 | XmlExitOnFailure(hr, "failed createElement"); |
| 1094 | |
| 1095 | pixnParent->appendChild(pixnChild,NULL); |
| 1096 | if (hr == S_FALSE) |
| 1097 | { |
| 1098 | hr = E_FAIL; |
| 1099 | } |
| 1100 | XmlExitOnFailure(hr, "failed appendChild"); |
| 1101 | |
| 1102 | if (ppixnChild) |
| 1103 | { |
| 1104 | *ppixnChild = pixnChild; |
| 1105 | pixnChild = NULL; |
| 1106 | } |
| 1107 | |
| 1108 | LExit: |
| 1109 | ReleaseObject(pixdDocument); |
| 1110 | ReleaseObject(pixnChild); |
| 1111 | return hr; |
| 1112 | } |
| 1113 | |
| 1114 | /******************************************************************** |
| 1115 | XmlRemoveAttribute - |
| 1116 | |
| 1117 | *********************************************************************/ |
| 1118 | extern "C" HRESULT DAPI XmlRemoveAttribute( |
| 1119 | __in IXMLDOMNode* pixnNode, |
| 1120 | __in_z LPCWSTR pwzAttribute |
| 1121 | ) |
| 1122 | { |
| 1123 | HRESULT hr = S_OK; |
| 1124 | |
| 1125 | // RELEASEME |
| 1126 | IXMLDOMNamedNodeMap* pixnnmAttributes = NULL; |
| 1127 | BSTR bstrAttribute = ::SysAllocString(pwzAttribute); |
| 1128 | XmlExitOnNull(bstrAttribute, hr, E_OUTOFMEMORY, "failed to allocate bstr for attribute in XmlRemoveAttribute"); |
| 1129 | |
| 1130 | hr = pixnNode->get_attributes(&pixnnmAttributes); |
| 1131 | XmlExitOnFailure(hr, "failed get_attributes in RemoveXmlAttribute(%ls)", pwzAttribute); |
| 1132 | |
| 1133 | hr = pixnnmAttributes->removeNamedItem(bstrAttribute, NULL); |
| 1134 | XmlExitOnFailure(hr, "failed removeNamedItem in RemoveXmlAttribute(%ls)", pwzAttribute); |
| 1135 | |
| 1136 | LExit: |
| 1137 | ReleaseObject(pixnnmAttributes); |
| 1138 | ReleaseBSTR(bstrAttribute); |
| 1139 | |
| 1140 | return hr; |
| 1141 | } |
| 1142 | |
| 1143 | |
| 1144 | /******************************************************************** |
| 1145 | XmlSelectNodes - |
| 1146 | |
| 1147 | *********************************************************************/ |
| 1148 | extern "C" HRESULT DAPI XmlSelectNodes( |
| 1149 | __in IXMLDOMNode* pixnParent, |
| 1150 | __in_z LPCWSTR wzXPath, |
| 1151 | __out IXMLDOMNodeList **ppixnlChildren |
| 1152 | ) |
| 1153 | { |
| 1154 | HRESULT hr = S_OK; |
| 1155 | |
| 1156 | BSTR bstrXPath = NULL; |
| 1157 | |
| 1158 | XmlExitOnNull(pixnParent, hr, E_UNEXPECTED, "pixnParent parameter was null in XmlSelectNodes"); |
| 1159 | XmlExitOnNull(ppixnlChildren, hr, E_UNEXPECTED, "ppixnChild parameter was null in XmlSelectNodes"); |
| 1160 | |
| 1161 | bstrXPath = ::SysAllocString(wzXPath ? wzXPath : L""); |
| 1162 | XmlExitOnNull(bstrXPath, hr, E_OUTOFMEMORY, "failed to allocate bstr for XPath expression in XmlSelectNodes"); |
| 1163 | |
| 1164 | hr = pixnParent->selectNodes(bstrXPath, ppixnlChildren); |
| 1165 | |
| 1166 | LExit: |
| 1167 | ReleaseBSTR(bstrXPath); |
| 1168 | return hr; |
| 1169 | } |
| 1170 | |
| 1171 | |
| 1172 | /******************************************************************** |
| 1173 | XmlNextAttribute - returns the next attribute in a node list |
| 1174 | |
| 1175 | NOTE: pbstrAttribute is optional |
| 1176 | returns S_OK if found an element |
| 1177 | returns S_FALSE if no element found |
| 1178 | returns E_* if something went wrong |
| 1179 | ********************************************************************/ |
| 1180 | extern "C" HRESULT DAPI XmlNextAttribute( |
| 1181 | __in IXMLDOMNamedNodeMap* pixnnm, |
| 1182 | __out IXMLDOMNode** pixnAttribute, |
| 1183 | __deref_opt_out_z_opt BSTR* pbstrAttribute |
| 1184 | ) |
| 1185 | { |
| 1186 | Assert(pixnnm && pixnAttribute); |
| 1187 | |
| 1188 | HRESULT hr = S_OK; |
| 1189 | IXMLDOMNode* pixn = NULL; |
| 1190 | DOMNodeType nt; |
| 1191 | |
| 1192 | // null out the return values |
| 1193 | *pixnAttribute = NULL; |
| 1194 | if (pbstrAttribute) |
| 1195 | { |
| 1196 | *pbstrAttribute = NULL; |
| 1197 | } |
| 1198 | |
| 1199 | hr = pixnnm->nextNode(&pixn); |
| 1200 | XmlExitOnFailure(hr, "Failed to get next attribute."); |
| 1201 | |
| 1202 | if (S_OK == hr) |
| 1203 | { |
| 1204 | hr = pixn->get_nodeType(&nt); |
| 1205 | XmlExitOnFailure(hr, "failed to get node type"); |
| 1206 | |
| 1207 | if (NODE_ATTRIBUTE != nt) |
| 1208 | { |
| 1209 | hr = E_UNEXPECTED; |
| 1210 | XmlExitOnFailure(hr, "Failed to get expected node type back: attribute"); |
| 1211 | } |
| 1212 | |
| 1213 | // if the caller asked for the attribute name |
| 1214 | if (pbstrAttribute) |
| 1215 | { |
| 1216 | hr = pixn->get_baseName(pbstrAttribute); |
| 1217 | XmlExitOnFailure(hr, "failed to get attribute name"); |
| 1218 | } |
| 1219 | |
| 1220 | *pixnAttribute = pixn; |
| 1221 | pixn = NULL; |
| 1222 | } |
| 1223 | |
| 1224 | LExit: |
| 1225 | ReleaseObject(pixn); |
| 1226 | return hr; |
| 1227 | } |
| 1228 | |
| 1229 | |
| 1230 | /******************************************************************** |
| 1231 | XmlNextElement - returns the next element in a node list |
| 1232 | |
| 1233 | NOTE: pbstrElement is optional |
| 1234 | returns S_OK if found an element |
| 1235 | returns S_FALSE if no element found |
| 1236 | returns E_* if something went wrong |
| 1237 | ********************************************************************/ |
| 1238 | extern "C" HRESULT DAPI XmlNextElement( |
| 1239 | __in IXMLDOMNodeList* pixnl, |
| 1240 | __out IXMLDOMNode** pixnElement, |
| 1241 | __deref_opt_out_z_opt BSTR* pbstrElement |
| 1242 | ) |
| 1243 | { |
| 1244 | Assert(pixnl && pixnElement); |
| 1245 | |
| 1246 | HRESULT hr = S_OK; |
| 1247 | IXMLDOMNode* pixn = NULL; |
| 1248 | DOMNodeType nt; |
| 1249 | |
| 1250 | // null out the return values |
| 1251 | *pixnElement = NULL; |
| 1252 | if (pbstrElement) |
| 1253 | { |
| 1254 | *pbstrElement = NULL; |
| 1255 | } |
| 1256 | |
| 1257 | // |
| 1258 | // find the next element in the list |
| 1259 | // |
| 1260 | while (S_OK == (hr = pixnl->nextNode(&pixn))) |
| 1261 | { |
| 1262 | hr = pixn->get_nodeType(&nt); |
| 1263 | XmlExitOnFailure(hr, "failed to get node type"); |
| 1264 | |
| 1265 | if (NODE_ELEMENT == nt) |
| 1266 | break; |
| 1267 | |
| 1268 | ReleaseNullObject(pixn); |
| 1269 | } |
| 1270 | XmlExitOnFailure(hr, "failed to get next element"); |
| 1271 | |
| 1272 | // if we have a node and the caller asked for the element name |
| 1273 | if (pixn && pbstrElement) |
| 1274 | { |
| 1275 | hr = pixn->get_baseName(pbstrElement); |
| 1276 | XmlExitOnFailure(hr, "failed to get element name"); |
| 1277 | } |
| 1278 | |
| 1279 | *pixnElement = pixn; |
| 1280 | pixn = NULL; |
| 1281 | |
| 1282 | hr = *pixnElement ? S_OK : S_FALSE; |
| 1283 | LExit: |
| 1284 | ReleaseObject(pixn); |
| 1285 | return hr; |
| 1286 | } |
| 1287 | |
| 1288 | |
| 1289 | /******************************************************************** |
| 1290 | XmlRemoveChildren - |
| 1291 | |
| 1292 | *********************************************************************/ |
| 1293 | extern "C" HRESULT DAPI XmlRemoveChildren( |
| 1294 | __in IXMLDOMNode* pixnSource, |
| 1295 | __in_z LPCWSTR pwzXPath |
| 1296 | ) |
| 1297 | { |
| 1298 | HRESULT hr = S_OK; |
| 1299 | |
| 1300 | // RELEASEME |
| 1301 | IXMLDOMNodeList* pixnlNodeList = NULL; |
| 1302 | IXMLDOMNode* pixnNode = NULL; |
| 1303 | IXMLDOMNode* pixnRemoveChild = NULL; |
| 1304 | |
| 1305 | if (pwzXPath) |
| 1306 | { |
| 1307 | hr = XmlSelectNodes(pixnSource, pwzXPath, &pixnlNodeList); |
| 1308 | XmlExitOnFailure(hr, "failed XmlSelectNodes"); |
| 1309 | } |
| 1310 | else |
| 1311 | { |
| 1312 | hr = pixnSource->get_childNodes(&pixnlNodeList); |
| 1313 | XmlExitOnFailure(hr, "failed childNodes"); |
| 1314 | } |
| 1315 | if (S_FALSE == hr) |
| 1316 | { |
| 1317 | ExitFunction(); |
| 1318 | } |
| 1319 | |
| 1320 | while (S_OK == (hr = pixnlNodeList->nextNode(&pixnNode))) |
| 1321 | { |
| 1322 | hr = pixnSource->removeChild(pixnNode, &pixnRemoveChild); |
| 1323 | XmlExitOnFailure(hr, "failed removeChild"); |
| 1324 | |
| 1325 | ReleaseNullObject(pixnRemoveChild); |
| 1326 | ReleaseNullObject(pixnNode); |
| 1327 | } |
| 1328 | if (S_FALSE == hr) |
| 1329 | { |
| 1330 | hr = S_OK; |
| 1331 | } |
| 1332 | |
| 1333 | LExit: |
| 1334 | ReleaseObject(pixnlNodeList); |
| 1335 | ReleaseObject(pixnNode); |
| 1336 | ReleaseObject(pixnRemoveChild); |
| 1337 | |
| 1338 | return hr; |
| 1339 | } |
| 1340 | |
| 1341 | |
| 1342 | /******************************************************************** |
| 1343 | XmlSaveDocument - |
| 1344 | |
| 1345 | *********************************************************************/ |
| 1346 | extern "C" HRESULT DAPI XmlSaveDocument( |
| 1347 | __in IXMLDOMDocument* pixdDocument, |
| 1348 | __inout LPCWSTR wzPath |
| 1349 | ) |
| 1350 | { |
| 1351 | HRESULT hr = S_OK; |
| 1352 | |
| 1353 | // RELEASEME |
| 1354 | VARIANT varsDestPath; |
| 1355 | |
| 1356 | ::VariantInit(&varsDestPath); |
| 1357 | varsDestPath.vt = VT_BSTR; |
| 1358 | varsDestPath.bstrVal = ::SysAllocString(wzPath); |
| 1359 | if (!varsDestPath.bstrVal) |
| 1360 | { |
| 1361 | hr = HRESULT_FROM_WIN32(ERROR_OUTOFMEMORY); |
| 1362 | } |
| 1363 | XmlExitOnFailure(hr, "failed to create BSTR"); |
| 1364 | |
| 1365 | hr = pixdDocument->save(varsDestPath); |
| 1366 | if (hr == S_FALSE) |
| 1367 | { |
| 1368 | hr = E_FAIL; |
| 1369 | } |
| 1370 | XmlExitOnFailure(hr, "failed save in WriteDocument"); |
| 1371 | |
| 1372 | LExit: |
| 1373 | ReleaseVariant(varsDestPath); |
| 1374 | return hr; |
| 1375 | } |
| 1376 | |
| 1377 | |
| 1378 | /******************************************************************** |
| 1379 | XmlSaveDocumentToBuffer |
| 1380 | |
| 1381 | *********************************************************************/ |
| 1382 | extern "C" HRESULT DAPI XmlSaveDocumentToBuffer( |
| 1383 | __in IXMLDOMDocument* pixdDocument, |
| 1384 | __deref_out_bcount(*pcbDest) BYTE** ppbDest, |
| 1385 | __out DWORD* pcbDest |
| 1386 | ) |
| 1387 | { |
| 1388 | HRESULT hr = S_OK; |
| 1389 | IStream* pStream = NULL; |
| 1390 | LARGE_INTEGER li = { }; |
| 1391 | STATSTG statstg = { }; |
| 1392 | BYTE* pbDest = NULL; |
| 1393 | ULONG cbRead = 0; |
| 1394 | VARIANT vtDestination; |
| 1395 | |
| 1396 | ::VariantInit(&vtDestination); |
| 1397 | |
| 1398 | // create stream |
| 1399 | hr = ::CreateStreamOnHGlobal(NULL, TRUE, &pStream); |
| 1400 | XmlExitOnFailure(hr, "Failed to create stream."); |
| 1401 | |
| 1402 | // write document to stream |
| 1403 | vtDestination.vt = VT_UNKNOWN; |
| 1404 | vtDestination.punkVal = (IUnknown*)pStream; |
| 1405 | hr = pixdDocument->save(vtDestination); |
| 1406 | XmlExitOnFailure(hr, "Failed to save document."); |
| 1407 | |
| 1408 | // get stream size |
| 1409 | hr = pStream->Stat(&statstg, STATFLAG_NONAME); |
| 1410 | XmlExitOnFailure(hr, "Failed to get stream size."); |
| 1411 | |
| 1412 | // allocate buffer |
| 1413 | pbDest = static_cast<BYTE*>(MemAlloc(statstg.cbSize.LowPart, TRUE)); |
| 1414 | XmlExitOnNull(pbDest, hr, E_OUTOFMEMORY, "Failed to allocate destination buffer."); |
| 1415 | |
| 1416 | // read data from stream |
| 1417 | li.QuadPart = 0; |
| 1418 | hr = pStream->Seek(li, STREAM_SEEK_SET, NULL); |
| 1419 | XmlExitOnFailure(hr, "Failed to seek stream."); |
| 1420 | |
| 1421 | hr = pStream->Read(pbDest, statstg.cbSize.LowPart, &cbRead); |
| 1422 | if (cbRead < statstg.cbSize.LowPart) |
| 1423 | { |
| 1424 | hr = E_FAIL; |
| 1425 | } |
| 1426 | XmlExitOnFailure(hr, "Failed to read stream content to buffer."); |
| 1427 | |
| 1428 | // return value |
| 1429 | *ppbDest = pbDest; |
| 1430 | pbDest = NULL; |
| 1431 | *pcbDest = statstg.cbSize.LowPart; |
| 1432 | |
| 1433 | LExit: |
| 1434 | ReleaseObject(pStream); |
| 1435 | ReleaseMem(pbDest); |
| 1436 | return hr; |
| 1437 | } |