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use vfs

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This commit is contained in:
David Rose 2002-08-06 14:40:27 +00:00
parent 7acbb5dec7
commit 03ae0c6f89
1 changed files with 65 additions and 53 deletions
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118
panda/src/chancfg/chancfg.cxx
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@ -29,6 +29,8 @@
#include "filename.h" #include "filename.h"
#include "transformState.h" #include "transformState.h"
#include "dcast.h" #include "dcast.h"
#include "config_util.h"
#include "virtualFileSystem.h"
#include <algorithm> #include <algorithm>
#include <stdio.h> // for sprintf #include <stdio.h> // for sprintf
@ -42,6 +44,66 @@ ConfigureFn(chanconfig) {
static bool have_read = false; static bool have_read = false;
NotifyCategoryDef(chancfg, ""); NotifyCategoryDef(chancfg, "");
static bool
load_chancfg_database(const string &filename, const DSearchPath &path,
const string &type_desc, void (*parser_func)(istream &)) {
Filename fname = Filename::text_filename(filename);
if (use_vfs) {
VirtualFileSystem *vfs = VirtualFileSystem::get_global_ptr();
if (!vfs->resolve_filename(fname, path)) {
chancfg_cat.error()
<< "Could not find " << type_desc << " database " << filename
<< " in path " << path << "\n";
return false;
} else {
istream *ifs;
ifs = vfs->open_read_file(fname);
if (ifs == (istream *)NULL) {
chancfg_cat.error()
<< "Unable to read " << type_desc << " database "
<< filename << "\n";
return false;
}
if (chancfg_cat.is_debug()) {
chancfg_cat.debug()
<< "Reading " << type_desc << " database " << filename
<< "\n";
}
parser_func(*ifs);
delete ifs;
}
} else {
if (!fname.resolve_filename(path)) {
chancfg_cat.error()
<< "Could not find " << type_desc << " database " << filename
<< " in path " << path << "\n";
return false;
} else {
ifstream ifs;
if (!fname.open_read(ifs)) {
chancfg_cat.error()
<< "Unable to read " << type_desc << " database "
<< filename << "\n";
return false;
}
if (chancfg_cat.is_debug()) {
chancfg_cat.debug()
<< "Reading " << type_desc << " database " << filename
<< "\n";
}
parser_func(ifs);
}
}
return true;
}
static void ReadChanConfigData(void) { static void ReadChanConfigData(void) {
if (have_read) if (have_read)
return; return;
@ -56,59 +118,9 @@ static void ReadChanConfigData(void) {
string windowdbfilename = chanconfig.GetString("window-db-file","window_db"); string windowdbfilename = chanconfig.GetString("window-db-file","window_db");
string setupdbfilename = chanconfig.GetString("setup-db-file","setup_db"); string setupdbfilename = chanconfig.GetString("setup-db-file","setup_db");
Filename layoutfname = Filename::text_filename(layoutdbfilename); load_chancfg_database(layoutdbfilename, path, "layout", ParseLayout);
if (!layoutfname.resolve_filename(path)) { load_chancfg_database(setupdbfilename, path, "setup", ParseSetup);
chancfg_cat->error() << "Could not find layoutdb file " << layoutfname << " in path " << path << "\n"; load_chancfg_database(windowdbfilename, path, "window", ParseWindow);
exit(1);
} else {
ifstream ifs;
if (layoutfname.open_read(ifs)) {
if (chancfg_cat.is_debug())
chancfg_cat->debug()
<< "Reading layout database " << layoutfname << endl;
ParseLayout(ifs);
} else {
chancfg_cat->error()
<< "Unable to read layout database " << layoutfname << "\n";
exit(1);
}
}
Filename setupfname = Filename::text_filename(setupdbfilename);
if (!setupfname.resolve_filename(path)) {
chancfg_cat->error() << "Could not find setupdb file " << setupfname << " in path " << path << "\n";
exit(1);
} else {
ifstream ifs;
if (setupfname.open_read(ifs)) {
if (chancfg_cat.is_debug())
chancfg_cat->debug()
<< "Reading setup database " << setupfname << endl;
ParseSetup(ifs);
} else {
chancfg_cat->error()
<< "Unable to read setup database " << setupfname << "\n";
exit(1);
}
}
Filename windowfname = Filename::text_filename(windowdbfilename);
if (!windowfname.resolve_filename(path)) {
chancfg_cat->error() << "Could not find windowdb file " << setupfname << " in path " << path << "\n";
exit(1);
} else {
ifstream ifs;
if (windowfname.open_read(ifs)) {
if (chancfg_cat.is_debug())
chancfg_cat->debug()
<< "Reading window database " << windowfname << endl;
ParseWindow(ifs);
} else {
chancfg_cat->error()
<< "Unable to read window database " << windowfname << "\n";
exit(1);
}
}
} }
static const bool config_sanity_check = static const bool config_sanity_check =