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#if !defined (FILE_PARSER_C)
// $Id$
#define FILE_PARSER_C
#include "ace/OS.h"
#include "File_Parser.h"
// This fixes a nasty bug with cfront-based compilers (like
// Centerline).
typedef FP::Return_Type FP_RETURN_TYPE;
// File_Parser stuff.
template <class ENTRY> int
File_Parser<ENTRY>::open (const char filename[])
{
return (this->infile_ = ACE_OS::fopen (filename, "r")) == 0 ? -1 : 0;
}
template <class ENTRY> int
File_Parser<ENTRY>::close (void)
{
return ACE_OS::fclose (this->infile_);
}
template <class ENTRY> FP_RETURN_TYPE
File_Parser<ENTRY>::getword (char buf[])
{
FP_RETURN_TYPE read_result = this->readword(buf);
if (read_result == FP::SUCCESS)
return FP::SUCCESS;
else
return read_result;
}
// Get the next string from the file via this->readword()
// Check make sure the string forms a valid number.
template <class ENTRY> FP_RETURN_TYPE
File_Parser<ENTRY>::getint (int &value)
{
char buf[BUFSIZ];
FP_RETURN_TYPE read_result = this->readword(buf);
if (read_result == FP::SUCCESS)
{
// ptr is used for error checking with ACE_OS::strtol
char *ptr;
// try to convert the buf to a decimal number
value = ACE_OS::strtol (buf, &ptr, 10);
// check if the buf is a decimal or not
if ((value == 0) && (ptr == buf))
return FP::ERROR;
else
return FP::SUCCESS;
}
else
return read_result;
}
template <class ENTRY> FP_RETURN_TYPE
File_Parser<ENTRY>::readword (char buf[])
{
int wordlength = 0;
int c;
// Skip over leading delimiters and get word.
while ((c = getc (this->infile_)) != EOF && c != '\n')
if (this->delimiter (c))
{
// We've reached the end of a "word".
if (wordlength > 0)
break;
}
else
buf[wordlength++] = c;
buf[wordlength] = '\0';
if (c == EOF) {
// If the EOF is just a dilimeter, don't return EOF so that the
// word gets processed
if (wordlength > 0)
{
ungetc (c, this->infile_);
return FP::SUCCESS;
}
else
// else return EOF so that read loops stop
return FP::EOFILE;
}
else if (c == '\n')
{
// if the EOLINE is just a dilimeter, don't return EOLINE
// so that the word gets processed
if (wordlength > 0)
ungetc (c, this->infile_);
else
return FP::EOLINE;
}
// Skip comments.
if (this->comments (buf[0]))
{
if (this->skipline () == EOF)
return FP::EOFILE;
else
return FP::COMMENT;
}
else
return FP::SUCCESS;
}
template <class ENTRY> int
File_Parser<ENTRY>::delimiter (char ch)
{
return ch == ' ' || ch == ',' || ch == '\t';
}
template <class ENTRY> int
File_Parser<ENTRY>::comments (char ch)
{
return ch == '#';
}
template <class ENTRY> int
File_Parser<ENTRY>::skipline (void)
{
// Skip the remainder of the line.
int c;
while ((c = getc (this->infile_)) != '\n' && c != EOF)
continue;
return c;
}
#endif /* _FILE_PARSER_C */
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