1 /* 2 __ __ _ 3 ___\ \/ /_ __ __ _| |_ 4 / _ \\ /| '_ \ / _` | __| 5 | __// \| |_) | (_| | |_ 6 \___/_/\_\ .__/ \__,_|\__| 7 |_| XML parser 8 9 Copyright (c) 1997-2000 Thai Open Source Software Center Ltd 10 Copyright (c) 2000-2017 Expat development team 11 Licensed under the MIT license: 12 13 Permission is hereby granted, free of charge, to any person obtaining 14 a copy of this software and associated documentation files (the 15 "Software"), to deal in the Software without restriction, including 16 without limitation the rights to use, copy, modify, merge, publish, 17 distribute, sublicense, and/or sell copies of the Software, and to permit 18 persons to whom the Software is furnished to do so, subject to the 19 following conditions: 20 21 The above copyright notice and this permission notice shall be included 22 in all copies or substantial portions of the Software. 23 24 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 27 NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 28 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 29 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 30 USE OR OTHER DEALINGS IN THE SOFTWARE. 31 */ 32 33 #define STRICT 1 34 #define WIN32_LEAN_AND_MEAN 1 35 36 #ifdef XML_UNICODE_WCHAR_T 37 # ifndef XML_UNICODE 38 # define XML_UNICODE 39 # endif 40 #endif 41 42 #ifdef XML_UNICODE 43 # define UNICODE 44 # define _UNICODE 45 #endif /* XML_UNICODE */ 46 #include <windows.h> 47 #include <stdio.h> 48 #include <tchar.h> 49 #include "filemap.h" 50 51 static void win32perror(const TCHAR *); 52 53 int 54 filemap(const TCHAR *name, 55 void (*processor)(const void *, size_t, const TCHAR *, void *arg), 56 void *arg) { 57 HANDLE f; 58 HANDLE m; 59 DWORD size; 60 DWORD sizeHi; 61 void *p; 62 63 f = CreateFile(name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 64 FILE_FLAG_SEQUENTIAL_SCAN, NULL); 65 if (f == INVALID_HANDLE_VALUE) { 66 win32perror(name); 67 return 0; 68 } 69 size = GetFileSize(f, &sizeHi); 70 if (size == (DWORD)-1) { 71 win32perror(name); 72 CloseHandle(f); 73 return 0; 74 } 75 if (sizeHi || (size > XML_MAX_CHUNK_LEN)) { 76 CloseHandle(f); 77 return 2; /* Cannot be passed to XML_Parse in one go */ 78 } 79 /* CreateFileMapping barfs on zero length files */ 80 if (size == 0) { 81 static const char c = '\0'; 82 processor(&c, 0, name, arg); 83 CloseHandle(f); 84 return 1; 85 } 86 m = CreateFileMapping(f, NULL, PAGE_READONLY, 0, 0, NULL); 87 if (m == NULL) { 88 win32perror(name); 89 CloseHandle(f); 90 return 0; 91 } 92 p = MapViewOfFile(m, FILE_MAP_READ, 0, 0, 0); 93 if (p == NULL) { 94 win32perror(name); 95 CloseHandle(m); 96 CloseHandle(f); 97 return 0; 98 } 99 processor(p, size, name, arg); 100 UnmapViewOfFile(p); 101 CloseHandle(m); 102 CloseHandle(f); 103 return 1; 104 } 105 106 static void 107 win32perror(const TCHAR *s) { 108 LPVOID buf; 109 if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, 110 NULL, GetLastError(), 111 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&buf, 0, 112 NULL)) { 113 _ftprintf(stderr, _T("%s: %s"), s, buf); 114 fflush(stderr); 115 LocalFree(buf); 116 } else 117 _ftprintf(stderr, _T("%s: unknown Windows error\n"), s); 118 } 119