mirror of https://github.com/BOINC/boinc.git
130 lines
4.0 KiB
C++
130 lines
4.0 KiB
C++
// Berkeley Open Infrastructure for Network Computing
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// http://boinc.berkeley.edu
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// Copyright (C) 2005 University of California
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//
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// This is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation;
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// either version 2.1 of the License, or (at your option) any later version.
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//
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// This software is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// To view the GNU Lesser General Public License visit
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// http://www.gnu.org/copyleft/lesser.html
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// or write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef PARSE_H
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#define PARSE_H
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#ifdef _WIN32
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#include "boinc_win.h"
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#else
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#ifdef HAVE_IEEEFP_H
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#include <ieeefp.h>
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extern "C" {
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int finite(double);
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}
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#endif
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#endif
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#include "miofile.h"
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class XML_PARSER {
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MIOFILE* f;
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bool scan_nonws(int&);
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int scan_comment();
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int scan_tag(char*, int);
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bool copy_until_tag(char*, int);
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public:
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XML_PARSER(MIOFILE*);
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bool get(char*, int, bool&);
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bool parse_start(const char*);
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bool parse_str(char*, const char*, char*, int);
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bool parse_string(char*, const char*, std::string&);
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bool parse_int(char*, const char*, int&);
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bool parse_double(char*, const char*, double&);
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bool parse_bool(char*, const char*, bool&);
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int element_contents(const char*, char*, int);
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void skip_unexpected(const char*, bool verbose, const char*);
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};
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/////////////// START DEPRECATED XML PARSER
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// Deprecated because it makes assumptions about
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// the format of the XML being parsed
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///////////////
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// return true if the tag appears in the line
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//
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inline bool match_tag(const char* buf, const char* tag) {
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if (strstr(buf, tag)) return true;
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return false;
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}
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inline bool match_tag(const std::string &s, const char* tag) {
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return match_tag(s.c_str(), tag);
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}
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// parse an integer of the form <tag>1234</tag>
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// return true if it's there
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// Note: this doesn't check for the end tag
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//
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inline bool parse_int(const char* buf, const char* tag, int& x) {
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const char* p = strstr(buf, tag);
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if (!p) return false;
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x = strtol(p+strlen(tag), 0, 0); // this parses 0xabcd correctly
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return true;
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}
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// Same, for doubles
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//
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inline bool parse_double(const char* buf, const char* tag, double& x) {
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double y;
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const char* p = strstr(buf, tag);
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if (!p) return false;
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y = atof(p+strlen(tag));
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#if defined (HPUX_SOURCE)
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if (_Isfinite(y)) {
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#else
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if (finite(y)) {
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#endif
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x = y;
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return true;
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}
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return false;
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}
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extern bool parse(char* , char* );
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extern bool parse_str(const char*, const char*, char*, int);
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extern bool parse_str(const char* buf, const char* tag, std::string& dest);
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extern void parse_attr(const char* buf, const char* attrname, char* out, int len);
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extern bool parse_bool(const char*, const char*, bool&);
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/////////////// END DEPRECATED XML PARSER
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extern int copy_stream(FILE* in, FILE* out);
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extern int strcatdup(char*& p, char* buf);
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extern int dup_element_contents(FILE* in, const char* end_tag, char** pp);
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extern int copy_element_contents(FILE* in, const char* end_tag, char* p, int len);
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extern int copy_element_contents(FILE* in, const char* end_tag, std::string&);
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extern void replace_element_contents(
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char* buf, const char* start, const char* end, const char* replacement
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);
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extern bool remove_element(char* buf, const char* start, const char* end);
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extern bool str_replace(char* str, const char* old, const char* neww);
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extern char* sgets(char* buf, int len, char* &in);
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extern void xml_escape(const char*, char*);
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extern void xml_unescape(const char*, char*);
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extern void extract_venue(const char*, const char*, char*);
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extern int skip_unrecognized(char* buf, MIOFILE&);
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#endif
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