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//===-- PathMappingList.h ---------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_PathMappingList_h_
#define liblldb_PathMappingList_h_
// C Includes
// C++ Includes
#include <map>
#include <vector>
// Other libraries and framework includes
#include "lldb/Core/ConstString.h"
#include "lldb/Core/Error.h"
// Project includes
namespace lldb_private {
class PathMappingList
{
public:
typedef void (*ChangedCallback) (const PathMappingList &path_list,
void *baton);
//------------------------------------------------------------------
// Constructors and Destructors
//------------------------------------------------------------------
PathMappingList ();
PathMappingList (ChangedCallback callback,
void *callback_baton);
PathMappingList (const PathMappingList &rhs);
~PathMappingList ();
const PathMappingList &
operator =(const PathMappingList &rhs);
void
Append (const ConstString &path, const ConstString &replacement, bool notify);
void
Append (const PathMappingList &rhs, bool notify);
void
Clear (bool notify);
// By default, dump all pairs.
void
Dump (Stream *s, int pair_index=-1);
bool
IsEmpty() const
{
return m_pairs.empty();
}
size_t
GetSize () const
{
return m_pairs.size();
}
bool
GetPathsAtIndex (uint32_t idx, ConstString &path, ConstString &new_path) const;
void
Insert (const ConstString &path,
const ConstString &replacement,
uint32_t insert_idx,
bool notify);
bool
Remove (size_t index, bool notify);
bool
Remove (const ConstString &path, bool notify);
bool
Replace (const ConstString &path,
const ConstString &replacement,
bool notify);
bool
Replace (const ConstString &path,
const ConstString &replacement,
uint32_t index,
bool notify);
bool
RemapPath (const ConstString &path, ConstString &new_path) const;
//------------------------------------------------------------------
/// Remaps a source file given \a path into \a new_path.
///
/// Remaps \a path if any source remappings match. This function
/// does NOT stat the file system so it can be used in tight loops
/// where debug info is being parsed.
///
/// @param[in] path
/// The original source file path to try and remap.
///
/// @param[out] new_path
/// The newly remapped filespec that is may or may not exist.
///
/// @return
/// /b true if \a path was successfully located and \a new_path
/// is filled in with a new source path, \b false otherwise.
//------------------------------------------------------------------
bool
RemapPath (const char *path, std::string &new_path) const;
bool
ReverseRemapPath (const ConstString &path, ConstString &new_path) const;
//------------------------------------------------------------------
/// Finds a source file given a file spec using the path remappings.
///
/// Tries to resolve \a orig_spec by checking the path remappings.
/// It makes sure the file exists by checking with the file system,
/// so this call can be expensive if the remappings are on a network
/// or are even on the local file system, so use this function
/// sparingly (not in a tight debug info parsing loop).
///
/// @param[in] orig_spec
/// The original source file path to try and remap.
///
/// @param[out] new_spec
/// The newly remapped filespec that is guaranteed to exist.
///
/// @return
/// /b true if \a orig_spec was successfully located and
/// \a new_spec is filled in with an existing file spec,
/// \b false otherwise.
//------------------------------------------------------------------
bool
FindFile (const FileSpec &orig_spec, FileSpec &new_spec) const;
uint32_t
FindIndexForPath (const ConstString &path) const;
uint32_t
GetModificationID() const
{
return m_mod_id;
}
protected:
typedef std::pair <ConstString, ConstString> pair;
typedef std::vector <pair> collection;
typedef collection::iterator iterator;
typedef collection::const_iterator const_iterator;
iterator
FindIteratorForPath (const ConstString &path);
const_iterator
FindIteratorForPath (const ConstString &path) const;
collection m_pairs;
ChangedCallback m_callback;
void * m_callback_baton;
uint32_t m_mod_id; // Incremented anytime anything is added or removed.
};
} // namespace lldb_private
#endif // liblldb_PathMappingList_h_
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