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// This file is part of The New Aspell
// Copyright (C) 2001 by Kevin Atkinson under the GNU LGPL license
// version 2.0 or 2.1. You should have received a copy of the LGPL
// license along with this library if you did not you can find
// it at http://www.gnu.org/.
#include <string.h>
#include <stdlib.h>
#include "asc_ctype.hpp"
#include "itemize.hpp"
#include "mutable_container.hpp"
#include <stdio.h>
#include <cstdio>
//FIXME: it should be possible to escape ',' '+' '-' '!' so that they can
// appear in values
// If '\' is used than what about when the option file is parsed
// as it strips away all '\' escapes.
namespace acommon {
struct ItemizeItem {
char action;
const char * name;
ItemizeItem() : action('\0'), name(0) {}
};
class ItemizeTokenizer {
private:
char * list;
char * i;
public:
ItemizeTokenizer(const char * l);
~ItemizeTokenizer();
private:
ItemizeTokenizer(const ItemizeTokenizer & other) ;
ItemizeTokenizer & operator=(const ItemizeTokenizer & other);
public:
ItemizeItem next();
};
ItemizeTokenizer::ItemizeTokenizer(const char * l)
{
size_t size = strlen(l) + 1;
list = new char[size];
i = list;
strncpy(list, l, size);
}
ItemizeTokenizer::~ItemizeTokenizer()
{
delete[] list;
}
ItemizeItem ItemizeTokenizer::next()
{
ItemizeItem li;
while (*i != '\0' && (asc_isspace(*i) || *i == ',')) ++i;
if (*i == '\0') return li;
li.action = *i;
if (*i == '+' || *i == '-') {
++i;
} else if (*i == '!') {
li.name = "";
++i;
return li;
} else {
li.action = '+';
}
while (*i != '\0' && *i != ',' && asc_isspace(*i)) ++i;
if (*i == '\0' || *i == ',') return next();
li.name = i;
while (*i != '\0' && *i != ',') ++i;
while (i != list && asc_isspace(*(i-1))) --i;
if (*i != '\0') {
*i = '\0';
++i;
}
return li;
}
PosibErr<void> itemize (ParmString s, MutableContainer & d) {
ItemizeTokenizer els(s);
ItemizeItem li;
while (li = els.next(), li.name != 0) {
switch (li.action) {
case '+':
RET_ON_ERR(d.add(li.name));
break;
case '-':
RET_ON_ERR(d.remove(li.name));
break;
case '!':
RET_ON_ERR(d.clear());
break;
default:
abort();
}
}
return no_err;
}
}
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