PersistXML.cc File Reference

---

Detailed Description

This file contains the implementation of class PersistXML.

Definition in file PersistXML.cc.

#include "sys.h"
#include <cassert>
#include <fstream>
#include <iterator>
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include "debug.h"
#include "PersistXML.h"

Go to the source code of this file.

Functions
bool	valid_label (std::string const &label)
	Returns true if the label is valid.

---

Function Documentation

bool valid_label

(

std::string const &

label

)

Returns true if the label is valid.

Definition at line 93 of file PersistXML.cc.

Referenced by PersistXML::serialize().

{
  if (label.size() == 0)
    return false;
  char first_char = label[0];
  if (first_char != '_' && !std::isalpha(first_char))
    return false;
  if (label.size() >= 3 &&
      std::tolower(first_char) == 'x' &&
      std::tolower(label[1]) == 'm' &&
      std::tolower(label[2]) == 'l')
    return false;
  std::string::const_iterator iter = label.begin();
  while (++iter != label.end())
  {
    char next_character = *iter;
    if (!std::isalpha(next_character) && !std::isdigit(next_character) && !std::ispunct(next_character))
      return false;
  }
  return true;
}