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/*
__ __ _
___\ \/ /_ __ __ _| |_
/ _ \\ /| '_ \ / _` | __|
| __// \| |_) | (_| | |_
\___/_/\_\ .__/ \__,_|\__|
|_| XML parser
Copyright (c) 1997-2000 Thai Open Source Software Center Ltd
Copyright (c) 2000-2017 Expat development team
Licensed under the MIT license:
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to permit
persons to whom the Software is furnished to do so, subject to the
following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#define STRICT 1
#define WIN32_LEAN_AND_MEAN 1
#ifdef XML_UNICODE_WCHAR_T
# ifndef XML_UNICODE
# define XML_UNICODE
# endif
#endif
#ifdef XML_UNICODE
# define UNICODE
# define _UNICODE
#endif /* XML_UNICODE */
#include <windows.h>
#include <stdio.h>
#include <tchar.h>
#include "filemap.h"
static void win32perror(const TCHAR *);
int
filemap(const TCHAR *name,
void (*processor)(const void *, size_t, const TCHAR *, void *arg),
void *arg) {
HANDLE f;
HANDLE m;
DWORD size;
DWORD sizeHi;
void *p;
f = CreateFile(name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING,
FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if (f == INVALID_HANDLE_VALUE) {
win32perror(name);
return 0;
}
size = GetFileSize(f, &sizeHi);
if (size == (DWORD)-1) {
win32perror(name);
CloseHandle(f);
return 0;
}
if (sizeHi || (size > XML_MAX_CHUNK_LEN)) {
CloseHandle(f);
return 2; /* Cannot be passed to XML_Parse in one go */
}
/* CreateFileMapping barfs on zero length files */
if (size == 0) {
static const char c = '\0';
processor(&c, 0, name, arg);
CloseHandle(f);
return 1;
}
m = CreateFileMapping(f, NULL, PAGE_READONLY, 0, 0, NULL);
if (m == NULL) {
win32perror(name);
CloseHandle(f);
return 0;
}
p = MapViewOfFile(m, FILE_MAP_READ, 0, 0, 0);
if (p == NULL) {
win32perror(name);
CloseHandle(m);
CloseHandle(f);
return 0;
}
processor(p, size, name, arg);
UnmapViewOfFile(p);
CloseHandle(m);
CloseHandle(f);
return 1;
}
static void
win32perror(const TCHAR *s) {
LPVOID buf;
if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL, GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&buf, 0,
NULL)) {
_ftprintf(stderr, _T("%s: %s"), s, buf);
fflush(stderr);
LocalFree(buf);
} else
_ftprintf(stderr, _T("%s: unknown Windows error\n"), s);
}
|
