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#include "Parser.h"
#include "ArrayData.h"
#include "DictData.h"
#include "NumData.h"
#include "StringData.h"
#include "String.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@implementation Parser
-(int)
getLineLenFrom: (const char *)startAddr to: (const char *)endAddr
{
int len;
char quote = '\0';
int frenchBraces = 0, squareBraces = 0;
for (len = 0; startAddr+len < endAddr; len++) {
if (!quote && !frenchBraces && !squareBraces &&
*(startAddr+len) == ';')
break;
switch (*(startAddr+len)) {
case '{':
frenchBraces++;
break;
case '}':
if (!frenchBraces)
fprintf(stderr,
"WARNING: found `}' without `{'.\n");
else
frenchBraces--;
break;
case '[':
squareBraces++;
break;
case ']':
if (!squareBraces)
fprintf(stderr,
"WARNING: found ']' without '['.\n");
else
squareBraces--;
break;
case '"':
if (!quote)
quote = *(startAddr+len);
else
quote = '\0';
break;
}
}
return len;
}
-init
{
return self;
}
-free
{
return [super free];
}
-(DataObject *)
getDataFrom: (String *)dataStr
{
const char *dataBuff;
id dataElem;
dataBuff = [dataStr getStr];
/* Figure out what type of node to allocate. */
switch (dataBuff[0]) {
case '{':
dataElem = [[DictData new] init];
break;
case '[':
dataElem = [[ArrayData new] init];
break;
case '"':
dataElem = [[StringData new] init];
break;
default:
dataElem = [[NumData new] init];
break;
}
return [dataElem setFromBuffer: dataBuff withLength: [dataStr getLen]];
}
@end
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