| 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 IniExitOnLastError(x, s, ...) ExitOnLastErrorSource(DUTIL_SOURCE_INIUTIL, x, s, __VA_ARGS__) |
| 8 | #define IniExitOnLastErrorDebugTrace(x, s, ...) ExitOnLastErrorDebugTraceSource(DUTIL_SOURCE_INIUTIL, x, s, __VA_ARGS__) |
| 9 | #define IniExitWithLastError(x, s, ...) ExitWithLastErrorSource(DUTIL_SOURCE_INIUTIL, x, s, __VA_ARGS__) |
| 10 | #define IniExitOnFailure(x, s, ...) ExitOnFailureSource(DUTIL_SOURCE_INIUTIL, x, s, __VA_ARGS__) |
| 11 | #define IniExitOnRootFailure(x, s, ...) ExitOnRootFailureSource(DUTIL_SOURCE_INIUTIL, x, s, __VA_ARGS__) |
| 12 | #define IniExitOnFailureDebugTrace(x, s, ...) ExitOnFailureDebugTraceSource(DUTIL_SOURCE_INIUTIL, x, s, __VA_ARGS__) |
| 13 | #define IniExitOnNull(p, x, e, s, ...) ExitOnNullSource(DUTIL_SOURCE_INIUTIL, p, x, e, s, __VA_ARGS__) |
| 14 | #define IniExitOnNullWithLastError(p, x, s, ...) ExitOnNullWithLastErrorSource(DUTIL_SOURCE_INIUTIL, p, x, s, __VA_ARGS__) |
| 15 | #define IniExitOnNullDebugTrace(p, x, e, s, ...) ExitOnNullDebugTraceSource(DUTIL_SOURCE_INIUTIL, p, x, e, s, __VA_ARGS__) |
| 16 | #define IniExitOnInvalidHandleWithLastError(p, x, s, ...) ExitOnInvalidHandleWithLastErrorSource(DUTIL_SOURCE_INIUTIL, p, x, s, __VA_ARGS__) |
| 17 | #define IniExitOnWin32Error(e, x, s, ...) ExitOnWin32ErrorSource(DUTIL_SOURCE_INIUTIL, e, x, s, __VA_ARGS__) |
| 18 | #define IniExitOnGdipFailure(g, x, s, ...) ExitOnGdipFailureSource(DUTIL_SOURCE_INIUTIL, g, x, s, __VA_ARGS__) |
| 19 | |
| 20 | const LPCWSTR wzSectionSeparator = L"\\"; |
| 21 | |
| 22 | struct INI_STRUCT |
| 23 | { |
| 24 | LPWSTR sczPath; // the path to the INI file to be parsed |
| 25 | |
| 26 | LPWSTR sczOpenTagPrefix; // For regular ini, this would be '[' |
| 27 | LPWSTR sczOpenTagPostfix; // For regular ini, this would be ']' |
| 28 | |
| 29 | LPWSTR sczValuePrefix; // for regular ini, this would be NULL |
| 30 | LPWSTR sczValueSeparator; // for regular ini, this would be '=' |
| 31 | |
| 32 | LPWSTR *rgsczValueSeparatorExceptions; |
| 33 | DWORD cValueSeparatorExceptions; |
| 34 | |
| 35 | LPWSTR sczCommentLinePrefix; // for regular ini, this would be ';' |
| 36 | |
| 37 | INI_VALUE *rgivValues; |
| 38 | DWORD cValues; |
| 39 | |
| 40 | LPWSTR *rgsczLines; |
| 41 | DWORD cLines; |
| 42 | |
| 43 | FILE_ENCODING feEncoding; |
| 44 | BOOL fModified; |
| 45 | }; |
| 46 | |
| 47 | const int INI_HANDLE_BYTES = sizeof(INI_STRUCT); |
| 48 | |
| 49 | static HRESULT GetSectionPrefixFromName( |
| 50 | __in_z LPCWSTR wzName, |
| 51 | __deref_inout_z LPWSTR* psczOutput |
| 52 | ); |
| 53 | static void UninitializeIniValue( |
| 54 | INI_VALUE *pivValue |
| 55 | ); |
| 56 | |
| 57 | extern "C" HRESULT DAPI IniInitialize( |
| 58 | __out_bcount(INI_HANDLE_BYTES) INI_HANDLE* piHandle |
| 59 | ) |
| 60 | { |
| 61 | HRESULT hr = S_OK; |
| 62 | |
| 63 | // Allocate the handle |
| 64 | *piHandle = static_cast<INI_HANDLE>(MemAlloc(sizeof(INI_STRUCT), TRUE)); |
| 65 | IniExitOnNull(*piHandle, hr, E_OUTOFMEMORY, "Failed to allocate ini object"); |
| 66 | |
| 67 | LExit: |
| 68 | return hr; |
| 69 | } |
| 70 | |
| 71 | extern "C" void DAPI IniUninitialize( |
| 72 | __in_bcount(INI_HANDLE_BYTES) INI_HANDLE piHandle |
| 73 | ) |
| 74 | { |
| 75 | INI_STRUCT *pi = static_cast<INI_STRUCT *>(piHandle); |
| 76 | |
| 77 | ReleaseStr(pi->sczPath); |
| 78 | ReleaseStr(pi->sczOpenTagPrefix); |
| 79 | ReleaseStr(pi->sczOpenTagPostfix); |
| 80 | ReleaseStr(pi->sczValuePrefix); |
| 81 | ReleaseStr(pi->sczValueSeparator); |
| 82 | |
| 83 | for (DWORD i = 0; i < pi->cValueSeparatorExceptions; ++i) |
| 84 | { |
| 85 | ReleaseStr(pi->rgsczValueSeparatorExceptions + i); |
| 86 | } |
| 87 | |
| 88 | ReleaseStr(pi->sczCommentLinePrefix); |
| 89 | |
| 90 | for (DWORD i = 0; i < pi->cValues; ++i) |
| 91 | { |
| 92 | UninitializeIniValue(pi->rgivValues + i); |
| 93 | } |
| 94 | ReleaseMem(pi->rgivValues); |
| 95 | |
| 96 | ReleaseStrArray(pi->rgsczLines, pi->cLines); |
| 97 | |
| 98 | ReleaseMem(pi); |
| 99 | } |
| 100 | |
| 101 | extern "C" HRESULT DAPI IniSetOpenTag( |
| 102 | __inout_bcount(INI_HANDLE_BYTES) INI_HANDLE piHandle, |
| 103 | __in_z_opt LPCWSTR wzOpenTagPrefix, |
| 104 | __in_z_opt LPCWSTR wzOpenTagPostfix |
| 105 | ) |
| 106 | { |
| 107 | HRESULT hr = S_OK; |
| 108 | |
| 109 | INI_STRUCT *pi = static_cast<INI_STRUCT *>(piHandle); |
| 110 | |
| 111 | if (wzOpenTagPrefix) |
| 112 | { |
| 113 | hr = StrAllocString(&pi->sczOpenTagPrefix, wzOpenTagPrefix, 0); |
| 114 | IniExitOnFailure(hr, "Failed to copy open tag prefix to ini struct: %ls", wzOpenTagPrefix); |
| 115 | } |
| 116 | else |
| 117 | { |
| 118 | ReleaseNullStr(pi->sczOpenTagPrefix); |
| 119 | } |
| 120 | |
| 121 | if (wzOpenTagPostfix) |
| 122 | { |
| 123 | hr = StrAllocString(&pi->sczOpenTagPostfix, wzOpenTagPostfix, 0); |
| 124 | IniExitOnFailure(hr, "Failed to copy open tag postfix to ini struct: %ls", wzOpenTagPostfix); |
| 125 | } |
| 126 | else |
| 127 | { |
| 128 | ReleaseNullStr(pi->sczOpenTagPrefix); |
| 129 | } |
| 130 | |
| 131 | LExit: |
| 132 | return hr; |
| 133 | } |
| 134 | |
| 135 | extern "C" HRESULT DAPI IniSetValueStyle( |
| 136 | __inout_bcount(INI_HANDLE_BYTES) INI_HANDLE piHandle, |
| 137 | __in_z_opt LPCWSTR wzValuePrefix, |
| 138 | __in_z_opt LPCWSTR wzValueSeparator |
| 139 | ) |
| 140 | { |
| 141 | HRESULT hr = S_OK; |
| 142 | |
| 143 | INI_STRUCT *pi = static_cast<INI_STRUCT *>(piHandle); |
| 144 | |
| 145 | if (wzValuePrefix) |
| 146 | { |
| 147 | hr = StrAllocString(&pi->sczValuePrefix, wzValuePrefix, 0); |
| 148 | IniExitOnFailure(hr, "Failed to copy value prefix to ini struct: %ls", wzValuePrefix); |
| 149 | } |
| 150 | else |
| 151 | { |
| 152 | ReleaseNullStr(pi->sczValuePrefix); |
| 153 | } |
| 154 | |
| 155 | if (wzValueSeparator) |
| 156 | { |
| 157 | hr = StrAllocString(&pi->sczValueSeparator, wzValueSeparator, 0); |
| 158 | IniExitOnFailure(hr, "Failed to copy value separator to ini struct: %ls", wzValueSeparator); |
| 159 | } |
| 160 | else |
| 161 | { |
| 162 | ReleaseNullStr(pi->sczValueSeparator); |
| 163 | } |
| 164 | |
| 165 | LExit: |
| 166 | return hr; |
| 167 | } |
| 168 | |
| 169 | extern "C" HRESULT DAPI IniSetValueSeparatorException( |
| 170 | __inout_bcount(INI_HANDLE_BYTES) INI_HANDLE piHandle, |
| 171 | __in_z LPCWSTR wzValueNamePrefix |
| 172 | ) |
| 173 | { |
| 174 | HRESULT hr = S_OK; |
| 175 | DWORD dwInsertedIndex = 0; |
| 176 | |
| 177 | INI_STRUCT *pi = static_cast<INI_STRUCT *>(piHandle); |
| 178 | |
| 179 | hr = MemEnsureArraySize(reinterpret_cast<void **>(&pi->rgsczValueSeparatorExceptions), pi->cValueSeparatorExceptions + 1, sizeof(LPWSTR), 5); |
| 180 | IniExitOnFailure(hr, "Failed to increase array size for value separator exceptions"); |
| 181 | dwInsertedIndex = pi->cValueSeparatorExceptions; |
| 182 | ++pi->cValueSeparatorExceptions; |
| 183 | |
| 184 | hr = StrAllocString(&pi->rgsczValueSeparatorExceptions[dwInsertedIndex], wzValueNamePrefix, 0); |
| 185 | IniExitOnFailure(hr, "Failed to copy value separator exception"); |
| 186 | |
| 187 | LExit: |
| 188 | return hr; |
| 189 | } |
| 190 | |
| 191 | extern "C" HRESULT DAPI IniSetCommentStyle( |
| 192 | __inout_bcount(INI_HANDLE_BYTES) INI_HANDLE piHandle, |
| 193 | __in_z_opt LPCWSTR wzLinePrefix |
| 194 | ) |
| 195 | { |
| 196 | HRESULT hr = S_OK; |
| 197 | |
| 198 | INI_STRUCT *pi = static_cast<INI_STRUCT *>(piHandle); |
| 199 | |
| 200 | if (wzLinePrefix) |
| 201 | { |
| 202 | hr = StrAllocString(&pi->sczCommentLinePrefix, wzLinePrefix, 0); |
| 203 | IniExitOnFailure(hr, "Failed to copy comment line prefix to ini struct: %ls", wzLinePrefix); |
| 204 | } |
| 205 | else |
| 206 | { |
| 207 | ReleaseNullStr(pi->sczCommentLinePrefix); |
| 208 | } |
| 209 | |
| 210 | LExit: |
| 211 | return hr; |
| 212 | } |
| 213 | |
| 214 | extern "C" HRESULT DAPI IniParse( |
| 215 | __inout_bcount(INI_HANDLE_BYTES) INI_HANDLE piHandle, |
| 216 | __in LPCWSTR wzPath, |
| 217 | __out_opt FILE_ENCODING *pfeEncodingFound |
| 218 | ) |
| 219 | { |
| 220 | HRESULT hr = S_OK; |
| 221 | DWORD dwValuePrefixLength = 0; |
| 222 | DWORD dwValueSeparatorExceptionLength = 0; |
| 223 | LPWSTR sczContents = NULL; |
| 224 | LPWSTR sczCurrentSection = NULL; |
| 225 | LPWSTR sczName = NULL; |
| 226 | LPWSTR sczNameTrimmed = NULL; |
| 227 | LPWSTR sczValue = NULL; |
| 228 | LPWSTR sczValueTrimmed = NULL; |
| 229 | LPWSTR wzOpenTagPrefix = NULL; |
| 230 | LPWSTR wzOpenTagPostfix = NULL; |
| 231 | LPWSTR wzValuePrefix = NULL; |
| 232 | LPWSTR wzValueNameStart = NULL; |
| 233 | LPWSTR wzValueSeparator = NULL; |
| 234 | LPWSTR wzCommentLinePrefix = NULL; |
| 235 | LPWSTR wzValueBegin = NULL; |
| 236 | LPCWSTR wzTemp = NULL; |
| 237 | |
| 238 | INI_STRUCT *pi = static_cast<INI_STRUCT *>(piHandle); |
| 239 | |
| 240 | BOOL fSections = (NULL != pi->sczOpenTagPrefix) && (NULL != pi->sczOpenTagPostfix); |
| 241 | BOOL fValuePrefix = (NULL != pi->sczValuePrefix); |
| 242 | |
| 243 | hr = StrAllocString(&pi->sczPath, wzPath, 0); |
| 244 | IniExitOnFailure(hr, "Failed to copy path to ini struct: %ls", wzPath); |
| 245 | |
| 246 | hr = FileToString(pi->sczPath, &sczContents, &pi->feEncoding); |
| 247 | IniExitOnFailure(hr, "Failed to convert file to string: %ls", pi->sczPath); |
| 248 | |
| 249 | if (pfeEncodingFound) |
| 250 | { |
| 251 | *pfeEncodingFound = pi->feEncoding; |
| 252 | } |
| 253 | |
| 254 | if (!sczContents || !*sczContents) |
| 255 | { |
| 256 | // Empty string, nothing to parse |
| 257 | ExitFunction1(hr = S_OK); |
| 258 | } |
| 259 | |
| 260 | dwValuePrefixLength = lstrlenW(pi->sczValuePrefix); |
| 261 | hr = StrSplitAllocArray(&pi->rgsczLines, reinterpret_cast<UINT *>(&pi->cLines), sczContents, L"\n"); |
| 262 | IniExitOnFailure(hr, "Failed to split INI file into lines"); |
| 263 | |
| 264 | for (DWORD i = 0; i < pi->cLines; ++i) |
| 265 | { |
| 266 | if (!*pi->rgsczLines[i] || '\r' == *pi->rgsczLines[i]) |
| 267 | { |
| 268 | continue; |
| 269 | } |
| 270 | |
| 271 | if (pi->sczCommentLinePrefix) |
| 272 | { |
| 273 | wzCommentLinePrefix = wcsstr(pi->rgsczLines[i], pi->sczCommentLinePrefix); |
| 274 | |
| 275 | if (wzCommentLinePrefix && wzCommentLinePrefix <= pi->rgsczLines[i] + 1) |
| 276 | { |
| 277 | continue; |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | if (pi->sczOpenTagPrefix) |
| 282 | { |
| 283 | wzOpenTagPrefix = wcsstr(pi->rgsczLines[i], pi->sczOpenTagPrefix); |
| 284 | if (wzOpenTagPrefix) |
| 285 | { |
| 286 | // If there is an open tag prefix but there is anything but whitespace before it, then it's NOT an open tag prefix |
| 287 | // This is important, for example, to support values with names like "Array[0]=blah" in INI format |
| 288 | for (wzTemp = pi->rgsczLines[i]; wzTemp < wzOpenTagPrefix; ++wzTemp) |
| 289 | { |
| 290 | if (*wzTemp != L' ' && *wzTemp != L'\t') |
| 291 | { |
| 292 | wzOpenTagPrefix = NULL; |
| 293 | break; |
| 294 | } |
| 295 | } |
| 296 | } |
| 297 | } |
| 298 | |
| 299 | if (pi->sczOpenTagPostfix) |
| 300 | { |
| 301 | wzOpenTagPostfix = wcsstr(pi->rgsczLines[i], pi->sczOpenTagPostfix); |
| 302 | } |
| 303 | |
| 304 | wzValueNameStart = NULL; |
| 305 | |
| 306 | if (pi->sczValuePrefix) |
| 307 | { |
| 308 | wzValuePrefix = wcsstr(pi->rgsczLines[i], pi->sczValuePrefix); |
| 309 | if (wzValuePrefix != NULL) |
| 310 | { |
| 311 | wzValueNameStart = wzValuePrefix + dwValuePrefixLength; |
| 312 | } |
| 313 | } |
| 314 | else |
| 315 | { |
| 316 | wzValueNameStart = pi->rgsczLines[i]; |
| 317 | } |
| 318 | |
| 319 | if (pi->sczValueSeparator && NULL != wzValueNameStart && *wzValueNameStart != L'\0') |
| 320 | { |
| 321 | dwValueSeparatorExceptionLength = 0; |
| 322 | for (DWORD j = 0; j < pi->cValueSeparatorExceptions; ++j) |
| 323 | { |
| 324 | if (pi->rgsczLines[i] == wcsstr(pi->rgsczLines[i], pi->rgsczValueSeparatorExceptions[j])) |
| 325 | { |
| 326 | dwValueSeparatorExceptionLength = lstrlenW(pi->rgsczValueSeparatorExceptions[j]); |
| 327 | break; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | wzValueSeparator = wcsstr(wzValueNameStart + dwValueSeparatorExceptionLength, pi->sczValueSeparator); |
| 332 | } |
| 333 | |
| 334 | // Don't keep the endline |
| 335 | if (pi->rgsczLines[i][lstrlenW(pi->rgsczLines[i])-1] == L'\r') |
| 336 | { |
| 337 | pi->rgsczLines[i][lstrlenW(pi->rgsczLines[i])-1] = L'\0'; |
| 338 | } |
| 339 | |
| 340 | if (fSections && wzOpenTagPrefix && wzOpenTagPostfix && wzOpenTagPrefix < wzOpenTagPostfix && (NULL == wzCommentLinePrefix || wzOpenTagPrefix < wzCommentLinePrefix)) |
| 341 | { |
| 342 | // There is an section starting here, let's keep track of it and move on |
| 343 | hr = StrAllocString(&sczCurrentSection, wzOpenTagPrefix + lstrlenW(pi->sczOpenTagPrefix), wzOpenTagPostfix - (wzOpenTagPrefix + lstrlenW(pi->sczOpenTagPrefix))); |
| 344 | IniExitOnFailure(hr, "Failed to record section name for line: %ls of INI file: %ls", pi->rgsczLines[i], pi->sczPath); |
| 345 | |
| 346 | // Sections will be calculated dynamically after any set operations, so don't include this in the list of lines to remember for output |
| 347 | ReleaseNullStr(pi->rgsczLines[i]); |
| 348 | } |
| 349 | else if (wzValueSeparator && (NULL == wzCommentLinePrefix || wzValueSeparator < wzCommentLinePrefix) |
| 350 | && (!fValuePrefix || wzValuePrefix)) |
| 351 | { |
| 352 | if (fValuePrefix) |
| 353 | { |
| 354 | wzValueBegin = wzValuePrefix + lstrlenW(pi->sczValuePrefix); |
| 355 | } |
| 356 | else |
| 357 | { |
| 358 | wzValueBegin = pi->rgsczLines[i]; |
| 359 | } |
| 360 | |
| 361 | hr = MemEnsureArraySize(reinterpret_cast<void **>(&pi->rgivValues), pi->cValues + 1, sizeof(INI_VALUE), 100); |
| 362 | IniExitOnFailure(hr, "Failed to increase array size for value array"); |
| 363 | |
| 364 | if (sczCurrentSection) |
| 365 | { |
| 366 | hr = StrAllocString(&sczName, sczCurrentSection, 0); |
| 367 | IniExitOnFailure(hr, "Failed to copy current section name"); |
| 368 | |
| 369 | hr = StrAllocConcat(&sczName, wzSectionSeparator, 0); |
| 370 | IniExitOnFailure(hr, "Failed to copy current section name"); |
| 371 | } |
| 372 | |
| 373 | hr = StrAllocConcat(&sczName, wzValueBegin, wzValueSeparator - wzValueBegin); |
| 374 | IniExitOnFailure(hr, "Failed to copy name"); |
| 375 | |
| 376 | hr = StrAllocString(&sczValue, wzValueSeparator + lstrlenW(pi->sczValueSeparator), 0); |
| 377 | IniExitOnFailure(hr, "Failed to copy value"); |
| 378 | |
| 379 | hr = StrTrimWhitespace(&sczNameTrimmed, sczName); |
| 380 | IniExitOnFailure(hr, "Failed to trim whitespace from name"); |
| 381 | |
| 382 | hr = StrTrimWhitespace(&sczValueTrimmed, sczValue); |
| 383 | IniExitOnFailure(hr, "Failed to trim whitespace from value"); |
| 384 | |
| 385 | pi->rgivValues[pi->cValues].wzName = const_cast<LPCWSTR>(sczNameTrimmed); |
| 386 | sczNameTrimmed = NULL; |
| 387 | pi->rgivValues[pi->cValues].wzValue = const_cast<LPCWSTR>(sczValueTrimmed); |
| 388 | sczValueTrimmed = NULL; |
| 389 | pi->rgivValues[pi->cValues].dwLineNumber = i + 1; |
| 390 | |
| 391 | ++pi->cValues; |
| 392 | |
| 393 | // Values will be calculated dynamically after any set operations, so don't include this in the list of lines to remember for output |
| 394 | ReleaseNullStr(pi->rgsczLines[i]); |
| 395 | } |
| 396 | else |
| 397 | { |
| 398 | // Must be a comment, so ignore it and keep it in the list to output |
| 399 | } |
| 400 | |
| 401 | ReleaseNullStr(sczName); |
| 402 | } |
| 403 | |
| 404 | LExit: |
| 405 | ReleaseStr(sczCurrentSection); |
| 406 | ReleaseStr(sczContents); |
| 407 | ReleaseStr(sczName); |
| 408 | ReleaseStr(sczNameTrimmed); |
| 409 | ReleaseStr(sczValue); |
| 410 | ReleaseStr(sczValueTrimmed); |
| 411 | |
| 412 | return hr; |
| 413 | } |
| 414 | |
| 415 | extern "C" HRESULT DAPI IniGetValueList( |
| 416 | __in_bcount(INI_HANDLE_BYTES) INI_HANDLE piHandle, |
| 417 | __deref_out_ecount_opt(*pcValues) INI_VALUE** prgivValues, |
| 418 | __out DWORD *pcValues |
| 419 | ) |
| 420 | { |
| 421 | HRESULT hr = S_OK; |
| 422 | |
| 423 | INI_STRUCT *pi = static_cast<INI_STRUCT *>(piHandle); |
| 424 | |
| 425 | *prgivValues = pi->rgivValues; |
| 426 | *pcValues = pi->cValues; |
| 427 | |
| 428 | return hr; |
| 429 | } |
| 430 | |
| 431 | extern "C" HRESULT DAPI IniGetValue( |
| 432 | __in_bcount(INI_HANDLE_BYTES) INI_HANDLE piHandle, |
| 433 | __in LPCWSTR wzValueName, |
| 434 | __deref_out_z LPWSTR* psczValue |
| 435 | ) |
| 436 | { |
| 437 | HRESULT hr = S_OK; |
| 438 | |
| 439 | INI_STRUCT *pi = static_cast<INI_STRUCT *>(piHandle); |
| 440 | INI_VALUE *pValue = NULL; |
| 441 | |
| 442 | for (DWORD i = 0; i < pi->cValues; ++i) |
| 443 | { |
| 444 | if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, 0, pi->rgivValues[i].wzName, -1, wzValueName, -1)) |
| 445 | { |
| 446 | pValue = pi->rgivValues + i; |
| 447 | break; |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | if (NULL == pValue) |
| 452 | { |
| 453 | hr = E_NOTFOUND; |
| 454 | IniExitOnFailure(hr, "Failed to check for INI value: %ls", wzValueName); |
| 455 | } |
| 456 | |
| 457 | if (NULL == pValue->wzValue) |
| 458 | { |
| 459 | ExitFunction1(hr = E_NOTFOUND); |
| 460 | } |
| 461 | |
| 462 | hr = StrAllocString(psczValue, pValue->wzValue, 0); |
| 463 | IniExitOnFailure(hr, "Failed to make copy of value while looking up INI value named: %ls", wzValueName); |
| 464 | |
| 465 | LExit: |
| 466 | return hr; |
| 467 | } |
| 468 | |
| 469 | extern "C" HRESULT DAPI IniSetValue( |
| 470 | __in_bcount(INI_HANDLE_BYTES) INI_HANDLE piHandle, |
| 471 | __in LPCWSTR wzValueName, |
| 472 | __in_z_opt LPCWSTR wzValue |
| 473 | ) |
| 474 | { |
| 475 | HRESULT hr = S_OK; |
| 476 | LPWSTR sczSectionPrefix = NULL; // includes section name and backslash |
| 477 | LPWSTR sczName = NULL; |
| 478 | LPWSTR sczValue = NULL; |
| 479 | DWORD dwInsertIndex = DWORD_MAX; |
| 480 | |
| 481 | INI_STRUCT *pi = static_cast<INI_STRUCT *>(piHandle); |
| 482 | INI_VALUE *pValue = NULL; |
| 483 | |
| 484 | for (DWORD i = 0; i < pi->cValues; ++i) |
| 485 | { |
| 486 | if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, 0, pi->rgivValues[i].wzName, -1, wzValueName, -1)) |
| 487 | { |
| 488 | pValue = pi->rgivValues + i; |
| 489 | break; |
| 490 | } |
| 491 | } |
| 492 | |
| 493 | // We're killing the value |
| 494 | if (NULL == wzValue) |
| 495 | { |
| 496 | if (pValue && pValue->wzValue) |
| 497 | { |
| 498 | pi->fModified = TRUE; |
| 499 | sczValue = const_cast<LPWSTR>(pValue->wzValue); |
| 500 | pValue->wzValue = NULL; |
| 501 | ReleaseNullStr(sczValue); |
| 502 | } |
| 503 | |
| 504 | ExitFunction(); |
| 505 | } |
| 506 | else |
| 507 | { |
| 508 | if (pValue) |
| 509 | { |
| 510 | if (CSTR_EQUAL != ::CompareStringW(LOCALE_INVARIANT, 0, pValue->wzValue, -1, wzValue, -1)) |
| 511 | { |
| 512 | pi->fModified = TRUE; |
| 513 | hr = StrAllocString(const_cast<LPWSTR *>(&pValue->wzValue), wzValue, 0); |
| 514 | IniExitOnFailure(hr, "Failed to update value INI value named: %ls", wzValueName); |
| 515 | } |
| 516 | |
| 517 | ExitFunction1(hr = S_OK); |
| 518 | } |
| 519 | else |
| 520 | { |
| 521 | if (wzValueName) |
| 522 | { |
| 523 | hr = GetSectionPrefixFromName(wzValueName, &sczSectionPrefix); |
| 524 | IniExitOnFailure(hr, "Failed to get section prefix from value name: %ls", wzValueName); |
| 525 | } |
| 526 | |
| 527 | // If we have a section prefix, figure out the index to insert it (at the end of the section it belongs in) |
| 528 | if (sczSectionPrefix) |
| 529 | { |
| 530 | for (DWORD i = 0; i < pi->cValues; ++i) |
| 531 | { |
| 532 | if (0 == wcsncmp(pi->rgivValues[i].wzName, sczSectionPrefix, lstrlenW(sczSectionPrefix))) |
| 533 | { |
| 534 | dwInsertIndex = i; |
| 535 | } |
| 536 | else if (DWORD_MAX != dwInsertIndex) |
| 537 | { |
| 538 | break; |
| 539 | } |
| 540 | } |
| 541 | } |
| 542 | else |
| 543 | { |
| 544 | for (DWORD i = 0; i < pi->cValues; ++i) |
| 545 | { |
| 546 | if (NULL == wcsstr(pi->rgivValues[i].wzName, wzSectionSeparator)) |
| 547 | { |
| 548 | dwInsertIndex = i; |
| 549 | } |
| 550 | else if (DWORD_MAX != dwInsertIndex) |
| 551 | { |
| 552 | break; |
| 553 | } |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | // Otherwise, just add it to the end |
| 558 | if (DWORD_MAX == dwInsertIndex) |
| 559 | { |
| 560 | dwInsertIndex = pi->cValues; |
| 561 | } |
| 562 | |
| 563 | pi->fModified = TRUE; |
| 564 | hr = MemInsertIntoArray(reinterpret_cast<void **>(&pi->rgivValues), dwInsertIndex, 1, pi->cValues + 1, sizeof(INI_VALUE), 100); |
| 565 | IniExitOnFailure(hr, "Failed to insert value into array"); |
| 566 | |
| 567 | hr = StrAllocString(&sczName, wzValueName, 0); |
| 568 | IniExitOnFailure(hr, "Failed to copy name"); |
| 569 | |
| 570 | hr = StrAllocString(&sczValue, wzValue, 0); |
| 571 | IniExitOnFailure(hr, "Failed to copy value"); |
| 572 | |
| 573 | pi->rgivValues[dwInsertIndex].wzName = const_cast<LPCWSTR>(sczName); |
| 574 | sczName = NULL; |
| 575 | pi->rgivValues[dwInsertIndex].wzValue = const_cast<LPCWSTR>(sczValue); |
| 576 | sczValue = NULL; |
| 577 | |
| 578 | ++pi->cValues; |
| 579 | } |
| 580 | } |
| 581 | |
| 582 | LExit: |
| 583 | ReleaseStr(sczName); |
| 584 | ReleaseStr(sczValue); |
| 585 | |
| 586 | return hr; |
| 587 | } |
| 588 | |
| 589 | extern "C" HRESULT DAPI IniWriteFile( |
| 590 | __in_bcount(INI_HANDLE_BYTES) INI_HANDLE piHandle, |
| 591 | __in_z_opt LPCWSTR wzPath, |
| 592 | __in FILE_ENCODING feOverrideEncoding |
| 593 | ) |
| 594 | { |
| 595 | HRESULT hr = S_OK; |
| 596 | LPWSTR sczCurrentSectionPrefix = NULL; |
| 597 | LPWSTR sczNewSectionPrefix = NULL; |
| 598 | LPWSTR sczContents = NULL; |
| 599 | LPCWSTR wzName = NULL; |
| 600 | DWORD dwLineArrayIndex = 1; |
| 601 | FILE_ENCODING feEncoding; |
| 602 | |
| 603 | INI_STRUCT *pi = static_cast<INI_STRUCT *>(piHandle); |
| 604 | |
| 605 | if (FILE_ENCODING_UNSPECIFIED == feOverrideEncoding) |
| 606 | { |
| 607 | feEncoding = pi->feEncoding; |
| 608 | } |
| 609 | else |
| 610 | { |
| 611 | feEncoding = feOverrideEncoding; |
| 612 | } |
| 613 | |
| 614 | if (FILE_ENCODING_UNSPECIFIED == feEncoding) |
| 615 | { |
| 616 | feEncoding = FILE_ENCODING_UTF16_WITH_BOM; |
| 617 | } |
| 618 | |
| 619 | if (!pi->fModified) |
| 620 | { |
| 621 | ExitFunction1(hr = S_OK); |
| 622 | } |
| 623 | if (NULL == wzPath && NULL == pi->sczPath) |
| 624 | { |
| 625 | ExitFunction1(hr = E_NOTFOUND); |
| 626 | } |
| 627 | |
| 628 | BOOL fSections = (pi->sczOpenTagPrefix) && (pi->sczOpenTagPostfix); |
| 629 | |
| 630 | hr = StrAllocString(&sczContents, L"", 0); |
| 631 | IniExitOnFailure(hr, "Failed to begin contents string as empty string"); |
| 632 | |
| 633 | // Insert any beginning lines we didn't understand like comments |
| 634 | if (0 < pi->cLines) |
| 635 | { |
| 636 | while (pi->rgsczLines[dwLineArrayIndex]) |
| 637 | { |
| 638 | hr = StrAllocConcat(&sczContents, pi->rgsczLines[dwLineArrayIndex], 0); |
| 639 | IniExitOnFailure(hr, "Failed to add previous line to ini output buffer in-memory"); |
| 640 | |
| 641 | hr = StrAllocConcat(&sczContents, L"\r\n", 2); |
| 642 | IniExitOnFailure(hr, "Failed to add endline to ini output buffer in-memory"); |
| 643 | |
| 644 | ++dwLineArrayIndex; |
| 645 | } |
| 646 | } |
| 647 | |
| 648 | for (DWORD i = 0; i < pi->cValues; ++i) |
| 649 | { |
| 650 | // Skip if this value was killed off |
| 651 | if (NULL == pi->rgivValues[i].wzValue) |
| 652 | { |
| 653 | continue; |
| 654 | } |
| 655 | |
| 656 | // Now generate any lines for the current value like value line and maybe also a new section line before it |
| 657 | |
| 658 | // First see if we need to write a section line |
| 659 | hr = GetSectionPrefixFromName(pi->rgivValues[i].wzName, &sczNewSectionPrefix); |
| 660 | IniExitOnFailure(hr, "Failed to get section prefix from name: %ls", pi->rgivValues[i].wzName); |
| 661 | |
| 662 | // If the new section prefix is different, write a section out for it |
| 663 | if (fSections && sczNewSectionPrefix && (NULL == sczCurrentSectionPrefix || CSTR_EQUAL != ::CompareStringW(LOCALE_INVARIANT, 0, sczNewSectionPrefix, -1, sczCurrentSectionPrefix, -1))) |
| 664 | { |
| 665 | hr = StrAllocConcat(&sczContents, pi->sczOpenTagPrefix, 0); |
| 666 | IniExitOnFailure(hr, "Failed to concat open tag prefix to string"); |
| 667 | |
| 668 | // Exclude section separator (i.e. backslash) from new section prefix |
| 669 | hr = StrAllocConcat(&sczContents, sczNewSectionPrefix, lstrlenW(sczNewSectionPrefix)-lstrlenW(wzSectionSeparator)); |
| 670 | IniExitOnFailure(hr, "Failed to concat section name to string"); |
| 671 | |
| 672 | hr = StrAllocConcat(&sczContents, pi->sczOpenTagPostfix, 0); |
| 673 | IniExitOnFailure(hr, "Failed to concat open tag postfix to string"); |
| 674 | |
| 675 | hr = StrAllocConcat(&sczContents, L"\r\n", 2); |
| 676 | IniExitOnFailure(hr, "Failed to add endline to ini output buffer in-memory"); |
| 677 | |
| 678 | ReleaseNullStr(sczCurrentSectionPrefix); |
| 679 | sczCurrentSectionPrefix = sczNewSectionPrefix; |
| 680 | sczNewSectionPrefix = NULL; |
| 681 | } |
| 682 | |
| 683 | // Inserting lines we read before the current value if appropriate |
| 684 | while (pi->rgivValues[i].dwLineNumber > dwLineArrayIndex) |
| 685 | { |
| 686 | // Skip any lines were purposely forgot |
| 687 | if (NULL == pi->rgsczLines[dwLineArrayIndex]) |
| 688 | { |
| 689 | ++dwLineArrayIndex; |
| 690 | continue; |
| 691 | } |
| 692 | |
| 693 | hr = StrAllocConcat(&sczContents, pi->rgsczLines[dwLineArrayIndex++], 0); |
| 694 | IniExitOnFailure(hr, "Failed to add previous line to ini output buffer in-memory"); |
| 695 | |
| 696 | hr = StrAllocConcat(&sczContents, L"\r\n", 2); |
| 697 | IniExitOnFailure(hr, "Failed to add endline to ini output buffer in-memory"); |
| 698 | } |
| 699 | |
| 700 | wzName = pi->rgivValues[i].wzName; |
| 701 | if (fSections) |
| 702 | { |
| 703 | wzName += lstrlenW(sczCurrentSectionPrefix); |
| 704 | } |
| 705 | |
| 706 | // OK, now just write the name/value pair, if it isn't deleted |
| 707 | if (pi->sczValuePrefix) |
| 708 | { |
| 709 | hr = StrAllocConcat(&sczContents, pi->sczValuePrefix, 0); |
| 710 | IniExitOnFailure(hr, "Failed to concat value prefix to ini output buffer"); |
| 711 | } |
| 712 | |
| 713 | hr = StrAllocConcat(&sczContents, wzName, 0); |
| 714 | IniExitOnFailure(hr, "Failed to concat value name to ini output buffer"); |
| 715 | |
| 716 | hr = StrAllocConcat(&sczContents, pi->sczValueSeparator, 0); |
| 717 | IniExitOnFailure(hr, "Failed to concat value separator to ini output buffer"); |
| 718 | |
| 719 | hr = StrAllocConcat(&sczContents, pi->rgivValues[i].wzValue, 0); |
| 720 | IniExitOnFailure(hr, "Failed to concat value to ini output buffer"); |
| 721 | |
| 722 | hr = StrAllocConcat(&sczContents, L"\r\n", 2); |
| 723 | IniExitOnFailure(hr, "Failed to add endline to ini output buffer in-memory"); |
| 724 | } |
| 725 | |
| 726 | // If no path was specified, use the path to the file we parsed |
| 727 | if (NULL == wzPath) |
| 728 | { |
| 729 | wzPath = pi->sczPath; |
| 730 | } |
| 731 | |
| 732 | hr = FileFromString(wzPath, 0, sczContents, feEncoding); |
| 733 | IniExitOnFailure(hr, "Failed to write INI contents out to file: %ls", wzPath); |
| 734 | |
| 735 | LExit: |
| 736 | ReleaseStr(sczContents); |
| 737 | ReleaseStr(sczCurrentSectionPrefix); |
| 738 | ReleaseStr(sczNewSectionPrefix); |
| 739 | |
| 740 | return hr; |
| 741 | } |
| 742 | |
| 743 | static void UninitializeIniValue( |
| 744 | INI_VALUE *pivValue |
| 745 | ) |
| 746 | { |
| 747 | ReleaseStr(const_cast<LPWSTR>(pivValue->wzName)); |
| 748 | ReleaseStr(const_cast<LPWSTR>(pivValue->wzValue)); |
| 749 | } |
| 750 | |
| 751 | static HRESULT GetSectionPrefixFromName( |
| 752 | __in_z LPCWSTR wzName, |
| 753 | __deref_inout_z LPWSTR* psczOutput |
| 754 | ) |
| 755 | { |
| 756 | HRESULT hr = S_OK; |
| 757 | LPCWSTR wzSectionDelimiter = NULL; |
| 758 | |
| 759 | ReleaseNullStr(*psczOutput); |
| 760 | |
| 761 | wzSectionDelimiter = wcsstr(wzName, wzSectionSeparator); |
| 762 | if (wzSectionDelimiter && wzSectionDelimiter != wzName) |
| 763 | { |
| 764 | hr = StrAllocString(psczOutput, wzName, wzSectionDelimiter - wzName + 1); |
| 765 | IniExitOnFailure(hr, "Failed to copy section prefix"); |
| 766 | } |
| 767 | |
| 768 | LExit: |
| 769 | return hr; |
| 770 | } |