khanat-opennel-code/code/ryzom/server/src/ags_test/xml.cpp
2013-07-27 04:03:05 +02:00

292 lines
8.6 KiB
C++

// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "nel/misc/debug.h"
#include "nel/misc/path.h"
//#include <io.h>
#include <stdio.h>
#include "xml.h"
using namespace NLMISC;
static inline bool isBlank(char c)
{
static bool lookup[]=
{// 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 1 2 3 4 5 6 7 8 9 A B C D E F
0,0,0,0, 0,0,0,0, 0,1,1,0, 0,1,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 0
1,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 32
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 64
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 96
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 128
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 160
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 192
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 224
};
return lookup[uint8(c)];
}
static inline bool isTxt(char c)
{
static bool lookup[]=
{// 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 1 2 3 4 5 6 7 8 9 A B C D E F
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 0
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 1,1,1,1, 1,1,1,1, 1,1,0,0, 0,0,0,0, // 32
0,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,0, 0,0,0,1, // 64
0,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,0, 0,0,0,0, // 96
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 128
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 160
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 192
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 224
};
return lookup[uint8(c)];
}
static inline bool isArgTxt(char c)
{
static bool lookup[]=
{// 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 1 2 3 4 5 6 7 8 9 A B C D E F
0,0,0,0, 0,0,0,0, 0,1,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 0
1,1,0,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 0,1,0,1, // 32
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 64
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 96
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 128
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 160
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 192
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 224
};
return lookup[uint8(c)];
}
static inline bool isFreeTxt(char c)
{
static bool lookup[]=
{// 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 1 2 3 4 5 6 7 8 9 A B C D E F
0,0,0,0, 0,0,0,0, 0,1,1,0, 0,1,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 0
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 0,1,0,1, // 32
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 64
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 96
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 128
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 160
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 192
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 224
};
return lookup[uint8(c)];
}
static bool xmlTxtToString(char *txt,uint length,std::string &destination)
{
bool result=true;
destination.erase();
destination.reserve(length);
for (char *ptr=txt;ptr<txt+length;ptr++)
if (ptr[0]=='&' && ptr[1]=='a' && ptr[2]=='m' && ptr[3]=='p' && ptr[4]==';')
{
destination+='&';
ptr+=4;
}
else if (ptr[0]=='&' && ptr[1]=='l' && ptr[2]=='t' && ptr[3]==';')
{
destination+='<';
ptr+=3;
}
else if (ptr[0]=='&' && ptr[1]=='g' && ptr[2]=='t' && ptr[3]==';')
{
destination+='>';
ptr+=3;
}
else if (ptr[0]=='&' && ptr[1]=='q' && ptr[2]=='u' && ptr[3]=='o' && ptr[4]=='t' && ptr[5]==';' )
{
destination+='\"';
ptr+=5;
}
else
{
result = result && (*ptr!='&');
destination+=*ptr;
}
return result;
}
bool CxmlNode::read(const std::string &filename)
{
// opening the file
FILE *inf=fopen(filename.c_str(),"rt");
if (inf==0)
{
nlwarning("Failed to open file for reading: %s",filename.c_str());
return false;
}
nlinfo("READING: %s",filename.c_str());
// allocate memmory for the read buffer
//uint bufsize=filelength(fileno(inf))+1;
uint32 bufsize = CFile::getFileSize(filename);
char *buf=new char[bufsize+1];
if (buf==0)
{
nlwarning("Failed to allocate memmory for input file: %s",filename.c_str());
fclose(inf);
return false;
}
// read the data into the buffer and nul terminate it
uint count;
count=fread(buf,bufsize,1,inf);
nlassert(count<bufsize);
buf[count]=0;
// close the file
fclose(inf);
// skip to the body of the file - if this is a true xml file there is only one body
char *ptr;
for (ptr=buf;*ptr!=0;ptr++)
{
if (ptr[0]=='<' && ptr[1]!='?')
break;
}
if (*ptr==0)
{
nlwarning("Failed to find XML file body for file: %s",filename.c_str());
delete [] (buf);
return false;
}
// pass parsing control over to the main xml file clause
bool retval= parseInput(ptr);
// make sure there's nothing left in the input data stream after parseInput() finishes
while (retval && isBlank(*ptr)) ptr++;
if (*ptr!=0)
retval=false;
// housekeeping and exit
delete [] (buf);
return retval;
}
bool CxmlNode::parseInput(char * &ptr)
{
// make sure this clause hasn't already been used
nlassert(_name.empty());
nlassert(_txt.empty());
char *marker0;
// if there's no start of clause marker consider we have free text
if (*ptr!='<')
{
for (;isFreeTxt(*ptr);ptr++) _txt+=*ptr;
// make sure the free text is followed by a clause marker of some sort
return (*ptr=='<');
}
// skip the opening '<' of the start of clause marker
*ptr++;
// if we have '<!' parse as comment to closing '>'
if (*ptr=='!')
{
while (isFreeTxt(*++ptr)) _txt+=*ptr;
// skip the end of comment marker
if (*ptr!='>')
return false;
ptr++;
return true;
}
// this should be a normal named clause so identify the clause name
while (isBlank(*ptr)) ptr++;
for (marker0=ptr; isTxt(*ptr); ptr++);
xmlTxtToString(marker0,ptr-marker0,_name);
// extract arguments
while (isBlank(*ptr)) ptr++;
while (isTxt(*ptr))
{
// extract the argument name for the next argument
for (marker0=ptr; isTxt(*ptr); ptr++);
std::string argName;
xmlTxtToString(marker0,ptr-marker0,argName);
// skip the '=' sign and following '"' sign
while (isBlank(*ptr)) ptr++;
if(*ptr!='=')
return false;
do { ptr++; }while (isBlank(*ptr));
if(*ptr!='\"')
return false;
ptr++;
// find the string delimited by the quotes
for (marker0=ptr; isArgTxt(*ptr); ptr++);
if(*ptr!='\"')
return false;
xmlTxtToString(marker0,ptr-marker0,_args[argName]);
// skip blanks in preparation for next arg (or end of args)
while (isBlank(*ptr)) ptr++;
}
// if this is a self-contained clause (ie '<'...'/>') then we've finished
if (*ptr=='/' && ptr[1]=='>')
{
ptr+=2;
return true;
}
// skip the end of clause header marker
if (*ptr!='>')
return false;
ptr++;
// read sub-clauses
while (*ptr && !(ptr[0]=='<'&&ptr[1]=='/'))
{
CxmlNode *childClause =new CxmlNode;
_children.push_back(childClause);
childClause->parseInput(ptr);
}
// skip the opening '</' of the clause end marker
if (!(ptr[0]=='<'&&ptr[1]=='/'))
return false;
ptr+=2;
// read the clause name and make sure it matches the original version
while (isBlank(*ptr)) ptr++;
for (marker0=ptr; isTxt(*ptr); ptr++);
std::string name;
xmlTxtToString(marker0,ptr-marker0,name);
if (name!=_name)
return false;
// skip the closing '>' of the clause end marker
while (isBlank(*ptr)) ptr++;
if (*ptr!='>')
return false;
ptr+=2;
return true;
}