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#include "attribute.hpp"
#include "utils.hpp"
#include <stdlib.h>
#include <string.h>
XiftAttribute::XiftAttribute():
name(0), nlen(0), nsize(0), value(0), vlen(0), vsize(0)
{}
XiftAttribute::~XiftAttribute()
{
if (name) free(name);
if (value) free(value);
}
bool XiftAttribute::MatchesForm(const XiftAttribute &form) const
{
return !strcmp(name, form.name);
}
XiftAttributes::XiftAttributes(): stack(0)
{}
XiftAttributes::~XiftAttributes()
{
while (stack) {
Stack *old = stack;
stack = stack->next;
delete old;
}
}
XiftAttribute &XiftAttributes::Attribute(const char *name)
{
Stack *current = stack;
while (current) {
if (!strcmp(current->item.name, name)) {
return current->item;
}
current = current->next;
}
XiftAttribute &res = New();
res.nlen = strlen(name);
res.name = xift_str_create_copy(name, name + res.nlen);
res.nsize = res.nlen + 1;
return res;
}
void XiftAttributes::Remove(const char *name)
{
Stack **current = &stack;
while (*current) {
if (!strcmp((*current)->item.name, name)) {
Stack *old = *current;
*current = (*current)->next;
delete old;
return;
}
current = &(*current)->next;
}
}
XiftAttribute *XiftAttributes::Top()
{
if (stack) {
return &stack->item;
} else {
return 0;
}
}
void XiftAttributes::Pop()
{
if (stack) {
Stack *old = stack;
stack = stack->next;
delete old;
}
}
XiftAttribute &XiftAttributes::New()
{
Stack *old = stack;
stack = new Stack;
stack->next = old;
return stack->item;
}
bool XiftAttributes::ContainsMatchedForm(const XiftAttribute &attribute) const
{
Stack *current = stack;
while (current) {
if (attribute.MatchesForm(current->item)) {
return true;
}
current = current->next;
}
return false;
}
bool XiftAttributes::MatchesForm(const XiftAttributes &form) const
{
Stack *current = stack;
while (current) {
if (!form.ContainsMatchedForm(current->item)) {
return false;
}
current = current->next;
}
return true;
}
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