boinc/lib/miofile.C

119 lines
2.5 KiB
C

// The contents of this file are subject to the BOINC 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://boinc.berkeley.edu/license_1.0.txt
//
// 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 the Berkeley Open Infrastructure for Network Computing.
//
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
//
#ifdef _WIN32
#include "boinc_win.h"
#endif
#ifndef _WIN32
#include <string>
#include <cstring>
#include <cstdarg>
#endif
#include "error_numbers.h"
#include "miofile.h"
using std::string;
MIOFILE::MIOFILE() {
mf = 0;
f = 0;
buf = 0;
}
MIOFILE::~MIOFILE() {
}
void MIOFILE::init_mfile(MFILE* _mf) {
mf = _mf;
}
void MIOFILE::init_file(FILE* _f) {
f = _f;
}
void MIOFILE::init_buf(char* _buf) {
buf = _buf;
}
int MIOFILE::printf(const char* format, ...) {
int retval;
va_list ap;
va_start(ap, format);
if (mf) {
retval = mf->vprintf(format, ap);
} else {
retval = vfprintf(f, format, ap);
}
va_end(ap);
return retval;
}
char* MIOFILE::fgets(char* dst, int len) {
if (f) {
return ::fgets(dst, len, f);
}
char* q = strchr(buf, '\n');
if (!q) return 0;
q++;
int n = (int)(q - buf);
if (n > len-1) n = len-1;
memcpy(dst, buf, n);
dst[n] = 0;
buf = q;
return dst;
}
// copy from a file to static buffer
//
int copy_element_contents(MIOFILE& in, const char* end_tag, char* p, int len) {
char buf[256];
int n;
strcpy(p, "");
while (in.fgets(buf, 256)) {
if (strstr(buf, end_tag)) {
return 0;
}
n = strlen(buf);
if (n >= len-1) return ERR_XML_PARSE;
strcat(p, buf);
len -= n;
}
return ERR_XML_PARSE;
}
int copy_element_contents(MIOFILE& in, const char* end_tag, string& str) {
char buf[256];
str = "";
while (in.fgets(buf, 256)) {
if (strstr(buf, end_tag)) {
return 0;
}
str += buf;
}
fprintf(stderr, "copy_element_contents(): no end tag\n");
return ERR_XML_PARSE;
}