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/************************************************************************
************************************************************************
FAUST compiler
Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale
---------------------------------------------------------------------
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
************************************************************************
************************************************************************/
#include "enrobage.hh"
#include <string>
#include <cstdlib>
#include <climits>
#include "compatibility.hh"
//----------------------------------------------------------------
/**
* Try to open a file within a path (a set of directory).
*/
void streamCopyUntil(istream& src, ostream& dst, const string& until)
{
string s;
while ( getline(src,s) && (s != until) ) dst << s << endl;
}
/**
* Try to open a file within a path (a set of directory).
*/
void streamCopyUntilEnd(istream& src, ostream& dst)
{
string s;
while ( getline(src,s) ) dst << s << endl;
}
/**
* Try to open a file within a path (a set of directory).
*/
ifstream* open_stream(const char* filename)
{
ifstream* f = new ifstream();
f->open(filename);
if (f->good()) return f;
delete f;
return 0;
}
#ifdef WIN32
#define PATHSEP ";"
#else
#define PATHSEP ":"
#endif
ifstream* open_path_stream (const char* lofdir, const char* filename)
{
char old[PATH_MAX];
char* lod = strdup(lofdir);
char* dir = strtok(lod, PATHSEP);
if (!dir) dir = lod;
getcwd (old, PATH_MAX);
while (dir) {
if (chdir(dir) == 0) {
ifstream* f = open_stream(filename);
if (f) {
free(lod);
return f;
}
chdir(old);
}
dir = strtok(NULL, PATHSEP);
}
cerr << "file " << filename << " not found in path " << lofdir << endl;
free (lod);
return 0;
}
/**
* Try to open an architecture file.
*/
ifstream* open_arch_stream (const char* filename)
{
ifstream* f = open_stream(filename);
if (f) {
return f;
} else {
const char* p1 = getenv("FAUST_PATH");
const char* p2 = (p1 != 0) ? p1 : "/usr/local/lib/faust/:/usr/lib/faust/";
return open_path_stream(p2, filename);
}
}
/*---------------------------------------------*/
bool check_file(const char* filename)
{
FILE* f = fopen(filename, "r");
if (f == NULL) {
fprintf(stderr, "faust: "); perror(filename);
} else {
fclose(f);
}
return f != NULL;
}
/**
* Try to open a file.
*/
FILE* fopensearch(const char* filename)
{
FILE* f = fopen(filename, "r");
if (f) {
return f;
} else {
const char* p1 = getenv("FAUST_PATH");
const char* p2 = (p1 != 0) ? p1 : "/usr/local/lib/faust/:/usr/lib/faust/";
return fopenpath(p2, filename);
}
}
FILE* fopenpath(const char* lofdir, const char* filename)
{
char old[PATH_MAX];
char* lod = strdup(lofdir);
char* dir = strtok(lod, ":");
getcwd (old, PATH_MAX);
while (dir) {
if (chdir(dir) == 0) {
FILE* f = fopen(filename, "r");
chdir(old);
if (f) {
free(lod);
return f;
}
} else {
}
dir = strtok(NULL, ":");
}
cerr << "file " << filename << " not found in path " << lofdir << endl;
free (lod);
return 0;
}
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