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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2014 The CodeLite Team
// file name : fc_fileopener.cpp
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#include "fc_fileopener.h"
#include <cstdio>
#include <cctype>
#include <algorithm>
#include <wx/filename.h>
#include <wx/filefn.h>
#ifdef __WXMSW__
#define FC_PATH_SEP "\\"
#else
#define FC_PATH_SEP "/"
#endif
fcFileOpener* fcFileOpener::ms_instance = 0;
fcFileOpener::fcFileOpener()
: _depth(0)
, _maxDepth(20)
{
}
fcFileOpener::~fcFileOpener()
{
}
fcFileOpener* fcFileOpener::Get()
{
if (ms_instance == 0) {
ms_instance = new fcFileOpener();
}
return ms_instance;
}
void fcFileOpener::Release()
{
if (ms_instance) {
delete ms_instance;
}
ms_instance = 0;
}
void fcFileOpener::AddSearchPath(const wxString& path)
{
wxFileName fn( path, "" );
if ( !wxFileName::DirExists( fn.GetPath() ) )
return;
_searchPath.push_back( fn.GetPath() );
}
FILE* fcFileOpener::OpenFile(const wxString& include_path, wxString &filepath)
{
filepath.Clear();
if ( include_path.empty() ) {
return NULL;
}
wxString mod_path ( include_path );
static wxString trimString("\"<> \t");
mod_path.erase(0, mod_path.find_first_not_of(trimString));
mod_path.erase(mod_path.find_last_not_of (trimString)+1);
if ( _scannedfiles.find(mod_path) != _scannedfiles.end() ) {
// we already scanned this file
filepath.Clear();
return NULL;
}
FILE *fp (NULL);
// first try to cwd
fp = try_open(_cwd, mod_path, filepath);
if ( fp ) {
return fp;
}
// Now try the search directories
for (size_t i=0; i<_searchPath.size(); ++i) {
fp = try_open(_searchPath.at(i), mod_path, filepath);
if ( fp ) return fp;
}
_scannedfiles.insert( mod_path );
filepath.Clear();
return NULL;
}
FILE* fcFileOpener::try_open(const wxString &path, const wxString &name, wxString &filepath)
{
wxString fullpath ( path + FC_PATH_SEP + name );
wxFileName fn(fullpath);
fullpath = fn.GetFullPath();
FILE *fp = wxFopen(fullpath, "rb");
if ( fp ) {
_scannedfiles.insert( name );
wxString pathPart = fn.GetPath();
for(size_t i=0; i<_excludePaths.size(); ++i) {
if ( pathPart.StartsWith(_excludePaths.at(i) ) ) {
::fclose( fp );
return NULL;
}
}
_matchedfiles.insert( fullpath );
filepath = fullpath;
return fp;
}
return NULL;
}
void fcFileOpener::AddExcludePath(const wxString& path)
{
wxFileName fn( path, "" );
if ( !wxFileName::DirExists( fn.GetPath() ) )
return;
_excludePaths.push_back( fn.GetPath() );
}
void fcFileOpener::AddNamespace(const char* ns)
{
_namespaces.insert(ns);
}
void fcFileOpener::AddIncludeStatement(const wxString& statement)
{
if( std::find(_includeStatements.begin(), _includeStatements.end(), statement) == _includeStatements.end()) {
_includeStatements.push_back(statement);
}
}
BufferState fcFileOpener::PopBufferState()
{
if ( _states.empty() ) {
return NULL;
}
fcState curstate = _states.back();
BufferState state = curstate.buffer;
// update the current directory
_cwd = wxFileName(curstate.filename).GetPath();
_states.pop_back();
decDepth();
return state;
}
void fcFileOpener::PushBufferState(BufferState buffer, const wxString &filename)
{
fcState curstate;
curstate.buffer = buffer;
curstate.filename = filename;
_states.push_back( curstate );
// update the current directory
_cwd = wxFileName(curstate.filename).GetPath();
incDepth();
}
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