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.del-xml.c~d20ceb97a91fcc2d: 

  Delete: mysys/xml.c
xml.c:
  Rename: BitKeeper/deleted/.del-xml.c~d20ceb97a91fcc2d -> mysys/xml.c

It is actually moved to /strings 


BitKeeper/deleted/.del-xml.c~d20ceb97a91fcc2d:
  Delete: mysys/xml.c
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/* Copyright (C) 2000 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "my_global.h"
#include "m_string.h"
#include "my_xml.h"
#define MY_XML_EOF 'E'
#define MY_XML_STRING 'S'
#define MY_XML_IDENT 'I'
#define MY_XML_EQ '='
#define MY_XML_LT '<'
#define MY_XML_GT '>'
#define MY_XML_SLASH '/'
#define MY_XML_COMMENT 'C'
#define MY_XML_TEXT 'T'
#define MY_XML_QUESTION '?'
#define MY_XML_EXCLAM '!'
typedef struct xml_attr_st
{
const char *beg;
const char *end;
} MY_XML_ATTR;
static const char *lex2str(int lex)
{
switch(lex)
{
case MY_XML_EOF: return "EOF";
case MY_XML_STRING: return "STRING";
case MY_XML_IDENT: return "IDENT";
case MY_XML_EQ: return "'='";
case MY_XML_LT: return "'<'";
case MY_XML_GT: return "'>'";
case MY_XML_SLASH: return "'/'";
case MY_XML_COMMENT: return "COMMENT";
case MY_XML_TEXT: return "TEXT";
case MY_XML_QUESTION: return "'?'";
case MY_XML_EXCLAM: return "'!'";
}
return "UNKNOWN";
}
static void my_xml_norm_text(MY_XML_ATTR *a)
{
for ( ; (a->beg < a->end) && strchr(" \t\r\n",a->beg[0]) ; a->beg++ );
for ( ; (a->beg < a->end) && strchr(" \t\r\n",a->end[-1]) ; a->end-- );
}
static int my_xml_scan(MY_XML_PARSER *p,MY_XML_ATTR *a)
{
int lex;
for( ; ( p->cur < p->end) && strchr(" \t\r\n",p->cur[0]) ; p->cur++);
if (p->cur >= p->end)
{
a->beg=p->end;
a->end=p->end;
lex=MY_XML_EOF;
goto ret;
}
a->beg=p->cur;
a->end=p->cur;
if (!memcmp(p->cur,"<!--",4))
{
for( ; (p->cur < p->end) && memcmp(p->cur, "-->", 3); p->cur++);
if(!memcmp(p->cur, "-->", 3))
p->cur+=3;
a->end=p->cur;
lex=MY_XML_COMMENT;
}
else if (strchr("?=/<>!",p->cur[0]))
{
p->cur++;
a->end=p->cur;
lex=a->beg[0];
}
else if ( (p->cur[0]=='"') || (p->cur[0]=='\'') )
{
p->cur++;
for( ; ( p->cur < p->end ) && (p->cur[0]!=a->beg[0]); p->cur++);
a->end=p->cur;
if (a->beg[0]==p->cur[0])p->cur++;
a->beg++;
my_xml_norm_text(a);
lex=MY_XML_STRING;
}
else
{
for( ; (p->cur < p->end) && !strchr("?'\"=/<> \t\r\n", p->cur[0]); p->cur++);
a->end=p->cur;
my_xml_norm_text(a);
lex=MY_XML_IDENT;
}
#if 0
printf("LEX=%s[%d]\n",lex2str(lex),a->end-a->beg);
#endif
ret:
return lex;
}
static int my_xml_value(MY_XML_PARSER *st, const char *str, uint len)
{
return (st->value) ? (st->value)(st,str,len) : MY_XML_OK;
}
static int my_xml_enter(MY_XML_PARSER *st, const char *str, uint len)
{
if ( (st->attrend-st->attr+len+1)>sizeof(st->attr))
{
sprintf(st->errstr,"To deep XML");
return MY_XML_ERROR;
}
if (st->attrend > st->attr)
{
st->attrend[0]='.';
st->attrend++;
}
memcpy(st->attrend,str,len);
st->attrend+=len;
st->attrend[0]='\0';
return st->enter ? st->enter(st,st->attr,st->attrend-st->attr) : MY_XML_OK;
}
static void mstr(char *s,const char *src,uint l1, uint l2)
{
l1 = l1<l2 ? l1 : l2;
memcpy(s,src,l1);
s[l1]='\0';
}
static int my_xml_leave(MY_XML_PARSER *p, const char *str, uint slen)
{
char *e;
uint glen;
char s[32];
char g[32];
int rc;
/* Find previous '.' or beginning */
for( e=p->attrend; (e>p->attr) && (e[0]!='.') ; e--);
glen = (e[0]=='.') ? (p->attrend-e-1) : p->attrend-e;
if (str && (slen != glen))
{
mstr(s,str,sizeof(s)-1,slen);
mstr(g,e+1,sizeof(g)-1,glen),
sprintf(p->errstr,"'</%s>' unexpected ('</%s>' wanted)",s,g);
return MY_XML_ERROR;
}
rc = p->leave ? p->leave(p,p->attr,p->attrend-p->attr) : MY_XML_OK;
*e='\0';
p->attrend=e;
return rc;
}
int my_xml_parse(MY_XML_PARSER *p,const char *str, uint len)
{
p->attrend=p->attr;
p->beg=str;
p->cur=str;
p->end=str+len;
while ( p->cur < p->end )
{
MY_XML_ATTR a;
if(p->cur[0]=='<')
{
int lex;
int question=0;
int exclam=0;
lex=my_xml_scan(p,&a);
if (MY_XML_COMMENT==lex)
{
continue;
}
lex=my_xml_scan(p,&a);
if (MY_XML_SLASH==lex)
{
if(MY_XML_IDENT!=(lex=my_xml_scan(p,&a)))
{
sprintf(p->errstr,"1: %s unexpected (ident wanted)",lex2str(lex));
return MY_XML_ERROR;
}
if(MY_XML_OK!=my_xml_leave(p,a.beg,a.end-a.beg))
return MY_XML_ERROR;
lex=my_xml_scan(p,&a);
goto gt;
}
if (MY_XML_EXCLAM==lex)
{
lex=my_xml_scan(p,&a);
exclam=1;
}
else if (MY_XML_QUESTION==lex)
{
lex=my_xml_scan(p,&a);
question=1;
}
if (MY_XML_IDENT==lex)
{
if(MY_XML_OK!=my_xml_enter(p,a.beg,a.end-a.beg))
return MY_XML_ERROR;
}
else
{
sprintf(p->errstr,"3: %s unexpected (ident or '/' wanted)",lex2str(lex));
return MY_XML_ERROR;
}
while ((MY_XML_IDENT==(lex=my_xml_scan(p,&a))) || (MY_XML_STRING==lex))
{
MY_XML_ATTR b;
if(MY_XML_EQ==(lex=my_xml_scan(p,&b)))
{
lex=my_xml_scan(p,&b);
if ( (lex==MY_XML_IDENT) || (lex=MY_XML_STRING) )
{
if((MY_XML_OK!=my_xml_enter(p,a.beg,a.end-a.beg)) ||
(MY_XML_OK!=my_xml_value(p,b.beg,b.end-b.beg)) ||
(MY_XML_OK!=my_xml_leave(p,a.beg,a.end-a.beg)))
return MY_XML_ERROR;
}
else
{
sprintf(p->errstr,"4: %s unexpected (ident or string wanted)",lex2str(lex));
return MY_XML_ERROR;
}
}
else if ( (MY_XML_STRING==lex) || (MY_XML_IDENT==lex) )
{
if((MY_XML_OK!=my_xml_enter(p,a.beg,a.end-a.beg)) ||
(MY_XML_OK!=my_xml_leave(p,a.beg,a.end-a.beg)))
return MY_XML_ERROR;
}
else
break;
}
if (lex==MY_XML_SLASH)
{
if(MY_XML_OK!=my_xml_leave(p,NULL,0))
return MY_XML_ERROR;
lex=my_xml_scan(p,&a);
}
gt:
if (question)
{
if (lex!=MY_XML_QUESTION)
{
sprintf(p->errstr,"6: %s unexpected ('?' wanted)",lex2str(lex));
return MY_XML_ERROR;
}
if(MY_XML_OK!=my_xml_leave(p,NULL,0))
return MY_XML_ERROR;
lex=my_xml_scan(p,&a);
}
if (exclam)
{
if(MY_XML_OK!=my_xml_leave(p,NULL,0))
return MY_XML_ERROR;
}
if (lex!=MY_XML_GT)
{
sprintf(p->errstr,"5: %s unexpected ('>' wanted)",lex2str(lex));
return MY_XML_ERROR;
}
}
else
{
a.beg=p->cur;
for ( ; (p->cur < p->end) && (p->cur[0]!='<') ; p->cur++);
a.end=p->cur;
my_xml_norm_text(&a);
if (a.beg!=a.end)
{
my_xml_value(p,a.beg,a.end-a.beg);
}
}
}
return MY_XML_OK;
}
void my_xml_parser_create(MY_XML_PARSER *p)
{
bzero((void*)p,sizeof(p[0]));
}
void my_xml_parser_free(MY_XML_PARSER *p __attribute__((unused)))
{
}
void my_xml_set_value_handler(MY_XML_PARSER *p, int (*action)(MY_XML_PARSER *p, const char *s, uint l))
{
p->value=action;
}
void my_xml_set_enter_handler(MY_XML_PARSER *p, int (*action)(MY_XML_PARSER *p, const char *s, uint l))
{
p->enter=action;
}
void my_xml_set_leave_handler(MY_XML_PARSER *p, int (*action)(MY_XML_PARSER *p, const char *s, uint l))
{
p->leave=action;
}
void my_xml_set_user_data(MY_XML_PARSER *p, void *user_data)
{
p->user_data=user_data;
}
const char *my_xml_error_string(MY_XML_PARSER *p)
{
return p->errstr;
}
uint my_xml_error_pos(MY_XML_PARSER *p)
{
const char *beg=p->beg;
const char *s;
for ( s=p->beg ; s<p->cur; s++)
if (s[0]=='\n')
beg=s;
return p->cur-beg;
}
uint my_xml_error_lineno(MY_XML_PARSER *p)
{
uint res=0;
const char *s;
for ( s=p->beg ; s<p->cur; s++)
if (s[0]=='\n')
res++;
return res;
}
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