/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file pathReplace.I
 * @author drose
 * @date 2003-02-07
 */

/**
 * Resets the error flag to the no-error state.  had_error() will return false
 * until a new error is generated.
 */
INLINE void PathReplace::
clear_error() {
  _error_flag = false;
}

/**
 * Returns true if an error was detected since the last call to clear_error(),
 * false otherwise.
 */
INLINE bool PathReplace::
had_error() const {
  return _error_flag;
}

/**
 * Removes all the patterns from the specification.
 */
INLINE void PathReplace::
clear() {
  clear_error();
  _entries.clear();
}

/**
 * Adds the indicated original/replace pattern to the specification.  If a
 * filename is encountered whose initial prefix matches the indicated
 * orig_prefix, that prefix will be replaced with replacement_prefix.
 */
INLINE void PathReplace::
add_pattern(const std::string &orig_prefix, const std::string &replacement_prefix) {
  _entries.push_back(Entry(orig_prefix, replacement_prefix));
}

/**
 * Returns the number of original/replace patterns that have been added.
 */
INLINE int PathReplace::
get_num_patterns() const {
  return _entries.size();
}

/**
 * Returns the original prefix associated with the nth pattern.
 */
INLINE const std::string &PathReplace::
get_orig_prefix(int n) const {
  nassertr(n >= 0 && n < (int)_entries.size(), _entries[0]._orig_prefix);
  return _entries[n]._orig_prefix;
}

/**
 * Returns the replacement prefix associated with the nth pattern.
 */
INLINE const std::string &PathReplace::
get_replacement_prefix(int n) const {
  nassertr(n >= 0 && n < (int)_entries.size(), _entries[0]._replacement_prefix);
  return _entries[n]._replacement_prefix;
}

/**
 * Returns true if the PathReplace object specifies no action, or false if
 * convert_path() may do something.
 */
INLINE bool PathReplace::
is_empty() const {
  return (_entries.empty() && _path.is_empty() && _path_store == PS_keep);
}

/**
 * Calls match_path() followed by store_path(), to replace the initial prefix
 * and then convert the file for storing, as the user indicated.
 */
INLINE Filename PathReplace::
convert_path(const Filename &orig_filename, const DSearchPath &additional_path) {
  Filename fullpath, outpath;
  full_convert_path(orig_filename, additional_path, fullpath, outpath);
  return outpath;
}

/**
 *
 */
INLINE PathReplace::Component::
Component(const std::string &component) :
  _orig_prefix(component),
  _double_star(component == "**")
{
}

/**
 *
 */
INLINE PathReplace::Component::
Component(const PathReplace::Component &copy) :
  _orig_prefix(copy._orig_prefix),
  _double_star(copy._double_star)
{
}

/**
 *
 */
INLINE void PathReplace::Component::
operator = (const PathReplace::Component &copy) {
  _orig_prefix = copy._orig_prefix;
  _double_star = copy._double_star;
}

/**
 *
 */
INLINE PathReplace::Entry::
Entry(const PathReplace::Entry &copy) :
  _orig_prefix(copy._orig_prefix),
  _orig_components(copy._orig_components),
  _is_local(copy._is_local),
  _replacement_prefix(copy._replacement_prefix)
{
}

/**
 *
 */
INLINE void PathReplace::Entry::
operator = (const PathReplace::Entry &copy) {
  _orig_prefix = copy._orig_prefix;
  _orig_components = copy._orig_components;
  _is_local = copy._is_local;
  _replacement_prefix = copy._replacement_prefix;
}