pike.git / lib / modules / Mapping.pmod

version» Context lines:

pike.git/lib/modules/Mapping.pmod:26:    //! @param shadow    //! Initial shadow of @[parent].    //! @param modify_parent    //! Modifications should be done to @[parent] rather than    //! to @[shadow]. If this is set, only entries that are    //! already present in @[shadow] can be modified by later    //! operations.       protected void create(mapping|void shadow, int(0..1)|void modify_parent)    { -  if (shadow) this_program::shadow = shadow + ([]); -  this_program::modify_parent = modify_parent; +  if (shadow) this::shadow = shadow + ([]); +  this::modify_parent = modify_parent;    }       // Updates the cached joined mapping if needed.    protected void update_joined()    {    if (!joined || !equal(parent, parent_copy)) {    joined = [mapping](parent + shadow);    parent_copy = [mapping](parent + ([]));    }    }       protected mixed `[](mixed ind)    {    mixed res = shadow[ind]; -  if (!zero_type(res)) return res; +  if (!undefinedp(res)) return res;    return parent[ind];    }       protected void `[]=(mixed ind, mixed val)    {    joined = 0; -  if (modify_parent && zero_type(shadow[ind])) { +  if (modify_parent && !has_index(shadow, ind)) {    parent[ind] = val;    } else {    shadow[ind] = val;    }    }       protected mixed `->(string ind)    {    return `[](ind);    }
pike.git/lib/modules/Mapping.pmod:75:       protected int(0..1) _equal(mixed other)    {    update_joined();    return equal(other, joined);    }       protected mixed _m_delete(mixed ind)    {    mixed res = m_delete(shadow, ind); -  if (zero_type(res)) { +  if (undefinedp(res))    res = m_delete(parent, ind); -  } -  if (!zero_type(res)) { +  else    joined = 0; -  } +     return res;    }       protected array(mixed) _indices()    {    update_joined();    return indices(joined);    }       protected array(mixed) _values()
pike.git/lib/modules/Mapping.pmod:163:    return predef::`^(@args, joined);    }       protected mixed cast(string type)    {    update_joined();    switch(type) {    case "mapping": return joined + ([]);    case "array": return (array)joined;    } -  return joined + ([]); +  return UNDEFINED;    }       protected mixed _search(mixed val)    {    update_joined();    return search(joined, val);    }       protected string _sprintf(int c)    {    update_joined();    return sprintf(sprintf("%%%c", c), joined);    }   }