mirror of
https://fuchsia.googlesource.com/third_party/expat
synced 2024-09-21 18:54:47 +00:00
Initial revision
This commit is contained in:
James Clark
parent
4b4d90b06b
commit
5bfaa295f9
228
expat/xmlwf/xmlfile.c
Executable file
228
expat/xmlwf/xmlfile.c
Executable file
|
|
@ -0,0 +1,228 @@
|
|||
/*
|
||||
The contents of this file are subject to the Mozilla Public License
|
||||
Version 1.0 (the "License"); you may not use this file except in
|
||||
compliance with the License. You may obtain a copy of the License at
|
||||
http://www.mozilla.org/MPL/
|
||||
|
||||
Software distributed under the License is distributed on an "AS IS"
|
||||
basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
|
||||
License for the specific language governing rights and limitations
|
||||
under the License.
|
||||
|
||||
The Original Code is expat.
|
||||
|
||||
The Initial Developer of the Original Code is James Clark.
|
||||
Portions created by James Clark are Copyright (C) 1998
|
||||
James Clark. All Rights Reserved.
|
||||
|
||||
Contributor(s):
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <stddef.h>
|
||||
#include <string.h>
|
||||
#include <fcntl.h>
|
||||
#include "xmlparse.h"
|
||||
#include "xmlfile.h"
|
||||
#include "xmltchar.h"
|
||||
#include "filemap.h"
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#include <io.h>
|
||||
#endif
|
||||
|
||||
#ifdef _POSIX_SOURCE
|
||||
#include <unistd.h>
|
||||
#endif
|
||||
|
||||
#ifndef O_BINARY
|
||||
#ifdef _O_BINARY
|
||||
#define O_BINARY _O_BINARY
|
||||
#else
|
||||
#define O_BINARY 0
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef _DEBUG
|
||||
#define READ_SIZE 16
|
||||
#else
|
||||
#define READ_SIZE (1024*8)
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
typedef struct {
|
||||
XML_Parser parser;
|
||||
int *retPtr;
|
||||
} PROCESS_ARGS;
|
||||
|
||||
static
|
||||
void reportError(XML_Parser parser, const XML_Char *filename)
|
||||
{
|
||||
int code = XML_GetErrorCode(parser);
|
||||
const XML_Char *message = XML_ErrorString(code);
|
||||
if (message)
|
||||
ftprintf(stderr, T("%s:%d:%ld: %s\n"),
|
||||
filename,
|
||||
XML_GetErrorLineNumber(parser),
|
||||
XML_GetErrorColumnNumber(parser),
|
||||
message);
|
||||
else
|
||||
ftprintf(stderr, T("%s: (unknown message %d)\n"), filename, code);
|
||||
}
|
||||
|
||||
static
|
||||
void processFile(const void *data,
|
||||
size_t size,
|
||||
const XML_Char *filename,
|
||||
void *args)
|
||||
{
|
||||
XML_Parser parser = ((PROCESS_ARGS *)args)->parser;
|
||||
int *retPtr = ((PROCESS_ARGS *)args)->retPtr;
|
||||
if (!XML_Parse(parser, data, size, 1)) {
|
||||
reportError(parser, filename);
|
||||
*retPtr = 0;
|
||||
}
|
||||
else
|
||||
*retPtr = 1;
|
||||
}
|
||||
|
||||
static
|
||||
int isAsciiLetter(XML_Char c)
|
||||
{
|
||||
return (T('a') <= c && c <= T('z')) || (T('A') <= c && c <= T('Z'));
|
||||
}
|
||||
|
||||
static
|
||||
const XML_Char *resolveSystemId(const XML_Char *base, const XML_Char *systemId, XML_Char **toFree)
|
||||
{
|
||||
XML_Char *s;
|
||||
*toFree = 0;
|
||||
if (!base
|
||||
|| *systemId == T('/')
|
||||
#ifdef WIN32
|
||||
|| *systemId == T('\\')
|
||||
|| (isAsciiLetter(systemId[0]) && systemId[1] == T(':'))
|
||||
#endif
|
||||
)
|
||||
return systemId;
|
||||
*toFree = (XML_Char *)malloc((tcslen(base) + tcslen(systemId) + 2)*sizeof(XML_Char));
|
||||
if (!*toFree)
|
||||
return systemId;
|
||||
tcscpy(*toFree, base);
|
||||
s = *toFree;
|
||||
if (tcsrchr(s, T('/')))
|
||||
s = tcsrchr(s, T('/')) + 1;
|
||||
#ifdef WIN32
|
||||
if (tcsrchr(s, T('\\')))
|
||||
s = tcsrchr(s, T('\\')) + 1;
|
||||
#endif
|
||||
tcscpy(s, systemId);
|
||||
return *toFree;
|
||||
}
|
||||
|
||||
static
|
||||
int externalEntityRefFilemap(XML_Parser parser,
|
||||
const XML_Char *context,
|
||||
const XML_Char *base,
|
||||
const XML_Char *systemId,
|
||||
const XML_Char *publicId)
|
||||
{
|
||||
int result;
|
||||
XML_Char *s;
|
||||
const XML_Char *filename;
|
||||
XML_Parser entParser = XML_ExternalEntityParserCreate(parser, context, 0);
|
||||
PROCESS_ARGS args;
|
||||
args.retPtr = &result;
|
||||
args.parser = entParser;
|
||||
filename = resolveSystemId(base, systemId, &s);
|
||||
XML_SetBase(entParser, filename);
|
||||
if (!filemap(filename, processFile, &args))
|
||||
result = 0;
|
||||
free(s);
|
||||
XML_ParserFree(entParser);
|
||||
return result;
|
||||
}
|
||||
|
||||
static
|
||||
int processStream(const XML_Char *filename, XML_Parser parser)
|
||||
{
|
||||
int fd = topen(filename, O_BINARY|O_RDONLY);
|
||||
if (fd < 0) {
|
||||
tperror(filename);
|
||||
return 0;
|
||||
}
|
||||
for (;;) {
|
||||
int nread;
|
||||
char *buf = XML_GetBuffer(parser, READ_SIZE);
|
||||
if (!buf) {
|
||||
close(fd);
|
||||
ftprintf(stderr, T("%s: out of memory\n"), filename);
|
||||
return 0;
|
||||
}
|
||||
nread = read(fd, buf, READ_SIZE);
|
||||
if (nread < 0) {
|
||||
tperror(filename);
|
||||
close(fd);
|
||||
return 0;
|
||||
}
|
||||
if (!XML_ParseBuffer(parser, nread, nread == 0)) {
|
||||
reportError(parser, filename);
|
||||
close(fd);
|
||||
return 0;
|
||||
}
|
||||
if (nread == 0) {
|
||||
close(fd);
|
||||
break;;
|
||||
}
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
static
|
||||
int externalEntityRefStream(XML_Parser parser,
|
||||
const XML_Char *context,
|
||||
const XML_Char *base,
|
||||
const XML_Char *systemId,
|
||||
const XML_Char *publicId)
|
||||
{
|
||||
XML_Char *s;
|
||||
const XML_Char *filename;
|
||||
int ret;
|
||||
XML_Parser entParser = XML_ExternalEntityParserCreate(parser, context, 0);
|
||||
filename = resolveSystemId(base, systemId, &s);
|
||||
XML_SetBase(entParser, filename);
|
||||
ret = processStream(filename, entParser);
|
||||
free(s);
|
||||
XML_ParserFree(entParser);
|
||||
return ret;
|
||||
}
|
||||
|
||||
int XML_ProcessFile(XML_Parser parser,
|
||||
const XML_Char *filename,
|
||||
unsigned flags)
|
||||
{
|
||||
int result;
|
||||
|
||||
if (!XML_SetBase(parser, filename)) {
|
||||
ftprintf(stderr, T("%s: out of memory"), filename);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if (flags & XML_EXTERNAL_ENTITIES)
|
||||
XML_SetExternalEntityRefHandler(parser,
|
||||
(flags & XML_MAP_FILE)
|
||||
? externalEntityRefFilemap
|
||||
: externalEntityRefStream);
|
||||
if (flags & XML_MAP_FILE) {
|
||||
PROCESS_ARGS args;
|
||||
args.retPtr = &result;
|
||||
args.parser = parser;
|
||||
if (!filemap(filename, processFile, &args))
|
||||
result = 0;
|
||||
}
|
||||
else
|
||||
result = processStream(filename, parser);
|
||||
return result;
|
||||
}
|
||||
26
expat/xmlwf/xmlfile.h
Executable file
26
expat/xmlwf/xmlfile.h
Executable file
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
The contents of this file are subject to the Mozilla Public License
|
||||
Version 1.0 (the "License"); you may not use this file except in
|
||||
compliance with the License. You may obtain a copy of the License at
|
||||
http://www.mozilla.org/MPL/
|
||||
|
||||
Software distributed under the License is distributed on an "AS IS"
|
||||
basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
|
||||
License for the specific language governing rights and limitations
|
||||
under the License.
|
||||
|
||||
The Original Code is expat.
|
||||
|
||||
The Initial Developer of the Original Code is James Clark.
|
||||
Portions created by James Clark are Copyright (C) 1998
|
||||
James Clark. All Rights Reserved.
|
||||
|
||||
Contributor(s):
|
||||
*/
|
||||
|
||||
#define XML_MAP_FILE 01
|
||||
#define XML_EXTERNAL_ENTITIES 02
|
||||
|
||||
extern int XML_ProcessFile(XML_Parser parser,
|
||||
const XML_Char *filename,
|
||||
unsigned flags);
|
||||
Loading…
Reference in New Issue
Block a user