Roxen.git/ server/ etc/ modules/ RXML.pmod/ module.pmod

2000-03-25

2000-03-25 01:51:44 by Martin Stjernholm <mast@lysator.liu.se>

• 87fb7e33580b2c1b73485012b44dd75dff991828 (79 lines) (+53/-26) ^{[ Show | Annotate ]}
  Branch: 5.2

Fixed bug with registration of several runtime tags with the same
name.

Rev: server/etc/modules/RXML.pmod/module.pmod:1.87

2:   //!   //! Created 1999-07-30 by Martin Stjernholm.   //! - //! $Id: module.pmod,v 1.86 2000/03/23 19:52:42 grubba Exp $ + //! $Id: module.pmod,v 1.87 2000/03/25 01:51:44 mast Exp $      //! Kludge: Must use "RXML.refs" somewhere for the whole module to be   //! loaded correctly.
240:    }    }    +  /* Can't define `== here due to Pike bugs.. +  int __hash() +  { +  return hash (this_object()->name); +  } +  +  int `== (mixed other) +  { +  return objectp (other) && other->is_RXML_Tag && other->name == this_object()->name; +  } +  */ +     MARK_OBJECT;       string _sprintf()
445:    return plugins[name] = res;    }    +  int has_effective_tags (TagSet tset) +  //! This one deserves some explanation. +  { +  return tset == top_tag_set && !got_local_tags; +  } +     mixed `->= (string var, mixed val)    {    switch (var) {
453:    filter (imported, "dont_notify", changed);    imported = [array(TagSet)] val;    imported->do_notify (changed); +  top_tag_set = sizeof (imported) && imported[0];    break;    default:    ::`->= (var, val);
483:    plugins = ([]);    (notify_funcs -= ({0}))();    set_weak_flag (notify_funcs, 1); +  got_local_tags = sizeof (tags) || !!(low_tags || low_containers || low_entities);    }       // Internals.
507:    static mapping(string:Tag) tags = ([]);    // Private since we want to track changes in this.    +  static TagSet top_tag_set; +  // The imported tag set with the highest priority. +  +  static int got_local_tags; +  // Nonzero if there are local tags, including low_tags etc. +     static array(function(:void)) notify_funcs = ({});    // Weak (when nonempty).   
885:    //! current context only.    {    if (!new_runtime_tags) new_runtime_tags = NewRuntimeTags(); -  new_runtime_tags->add_tags[tag] = 1; +  new_runtime_tags->add_tags[tag->name] = tag;    // By doing the following, we can let remove_tags take precedence. -  new_runtime_tags->remove_tags[tag] = 0; -  new_runtime_tags->remove_tags[tag->name] = 0; +  m_delete (new_runtime_tags->remove_tags, tag->name);    }       void remove_runtime_tag (string|Tag tag)
896:    //! it's assumed to be a tag name without prefix.    {    if (!new_runtime_tags) new_runtime_tags = NewRuntimeTags(); +  if (objectp (tag)) tag = tag->name;    new_runtime_tags->remove_tags[tag] = 1;    }   
903:    //! Returns all currently active runtime tags. Don't be destructive    //! on the returned multiset.    { -  multiset(Tag) tags = runtime_tags; +  mapping(string:Tag) tags = runtime_tags;    if (new_runtime_tags) {    tags |= new_runtime_tags->add_tags;    tags -= new_runtime_tags->remove_tags;    } -  return tags; +  return mkmultiset (values (tags));    }       void handle_exception (mixed err, PCode|Parser evaluator)
1006:   #define ENTER_SCOPE(ctx, frame) (frame->vars && ctx->enter_scope (frame))   #define LEAVE_SCOPE(ctx, frame) (frame->vars && ctx->leave_scope (frame))    -  multiset(Tag) runtime_tags = (<>); +  mapping(string:Tag) runtime_tags = ([]);    NewRuntimeTags new_runtime_tags;    // Used to record the result of any add_runtime_tag() and    // remove_runtime_tag() calls since the last time the parsers ran.
1049:      static class NewRuntimeTags   { -  multiset(Tag) add_tags = (<>); -  multiset(Tag|string) remove_tags = (<>); +  mapping(string:Tag) add_tags = ([]); +  mapping(string:int) remove_tags = ([]);   }      class Backtrace
1589:    private void _handle_runtime_tags (Context ctx, TagSetParser parser)    {    // FIXME: PCode handling. -  multiset(string|Tag) rem_tags = ctx->new_runtime_tags->remove_tags; -  multiset(Tag) add_tags = ctx->new_runtime_tags->add_tags - rem_tags; -  if (sizeof (rem_tags)) -  foreach (indices (add_tags), Tag tag) -  if (rem_tags[tag->name]) add_tags[tag] = 0; -  array(string|Tag) arr_rem_tags = (array) rem_tags; -  array(Tag) arr_add_tags = (array) add_tags; +  mapping(string:int) rem_tags = ctx->new_runtime_tags->remove_tags; +  mapping(string:Tag) add_tags = ctx->new_runtime_tags->add_tags - rem_tags; +  array(string) arr_rem_tags = indices (rem_tags); +  array(Tag) arr_add_tags = values (add_tags);    for (Parser p = parser; p; p = p->_parent)    if (p->tag_set_eval && !p->_local_tag_set && p->add_runtime_tag) {    foreach (arr_add_tags, Tag tag)    ([object(TagSetParser)] p)->add_runtime_tag (tag); -  foreach (arr_rem_tags, string|object(Tag) tag) +  foreach (arr_rem_tags, string tag)    ([object(TagSetParser)] p)->remove_runtime_tag (tag);    }    ctx->runtime_tags |= add_tags;
1724:   #endif       if (TagSet add_tags = raw_content && [object(TagSet)] this->additional_tags) { -  int hash = HASH_INT2 (ctx->tag_set->id_number, add_tags->id_number); -  orig_tag_set = ctx->tag_set; +  TagSet tset = ctx->tag_set; +  if (!tset->has_effective_tags (add_tags)) { +  int hash = HASH_INT2 (tset->id_number, add_tags->id_number); +  orig_tag_set = tset;    TagSet local_ts;    if (!(local_ts = local_tag_set_cache[hash])) {    local_ts = TagSet (add_tags->name + "+" + orig_tag_set->name);
1734:    }    ctx->tag_set = local_ts;    } +  }       if (!result_type) {   #ifdef MODULE_DEBUG
2678:    }       if (ctx->tag_set == tset && p->add_runtime_tag && sizeof (ctx->runtime_tags)) -  foreach (indices (ctx->runtime_tags), Tag tag) +  foreach (values (ctx->runtime_tags), Tag tag)    p->add_runtime_tag (tag);    }