boinc/clientgui/XMLParser.cpp

149 lines
3.4 KiB
C++

// $Id$
//
// 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):
//
// Revision History:
//
// $Log$
// Revision 1.3 2004/07/13 05:56:02 rwalton
// Hooked up the Project and Work tab for the new GUI.
//
// Revision 1.2 2004/07/12 08:46:26 rwalton
// Document parsing of the <get_state/> message
//
// Revision 1.1 2004/06/25 22:50:57 rwalton
// Client spamming server hotfix
//
//
//
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation "XMLParser.h"
#endif
#include "stdwx.h"
#include "XMLParser.h"
#include "error_numbers.h"
IMPLEMENT_DYNAMIC_CLASS(CXMLParser, wxObject)
CXMLParser::CXMLParser()
{
}
CXMLParser::~CXMLParser()
{
}
bool CXMLParser::match_tag(const wxString &strBuffer, const wxString &strTag)
{
if (strBuffer.Contains(strTag))
return true;
return false;
}
bool CXMLParser::parse_int(const wxString &strBuffer, const wxString &strTag, wxInt32 &lValue)
{
wxString strTemp;
if (!parse_str(strBuffer, strTag, strTemp))
return false;
return strTemp.ToLong((long*)&lValue);
}
bool CXMLParser::parse_double(const wxString &strBuffer, const wxString &strTag, double &dValue)
{
wxString strTemp;
if (!parse_str(strBuffer, strTag, strTemp))
return false;
return strTemp.ToDouble(&dValue);
}
bool CXMLParser::parse_str(const wxString &strBuffer, const wxString &strTag, wxString &strValue)
{
wxInt32 iStart = strBuffer.First(strTag);
wxInt32 iEnd = strBuffer.Find('<', true);
if (-1 == iStart)
return false;
wxASSERT(-1 != iEnd);
iStart += (wxInt32)strTag.Length();
if ((0 != iStart) && (-1 != iEnd)) {
xml_unescape(strBuffer.Mid(iStart, (iEnd - iStart)), strValue);
return true;
} else {
return false;
}
}
int CXMLParser::copy_element_contents(wxTextInputStream* input, const wxString &strTag, wxString &strValue)
{
wxString buf;
while (buf = input->ReadLine()) {
if (match_tag(buf, strTag)) return 0;
strValue += buf;
}
return ERR_XML_PARSE;
}
void CXMLParser::xml_escape(const wxString& in, wxString& out) {
int i;
out = _T("");
for (i=0; i<(int)in.length(); i++) {
if (in.GetChar(i) == '<') {
out += "&lt;";
} else if (in.GetChar(i) == '&') {
out += "&amp;";
} else {
out += in.GetChar(i);
}
}
}
void CXMLParser::xml_unescape(const wxString& in, wxString& out) {
int i;
out = _T("");
for (i=0; i<(int)in.length(); i++) {
if (in.substr(i, 4) == "&lt;") {
out += "<";
i += 3;
} else if (in.substr(i, 5) == "&amp;") {
out += "&";
i += 4;
} else {
out += in.GetChar(i);
}
}
}