Macintosh-SW/mpw-shell
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shell -- use filesystem::path stuff

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This commit is contained in:
Kelvin Sherlock 2016-02-11 15:49:05 -05:00
parent 50f171d5c8
commit a7dce37fe6
1 changed files with 57 additions and 8 deletions
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65
mpw-shell.cpp
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@ -18,20 +18,23 @@
#include "command.h"
#include "cxx/mapped_file.h"
#include "cxx/filesystem.h"
#include "cxx/string_splitter.h"
#include "error.h"
//#include <histedit.h>
#include <editline/readline.h>
#include <sys/types.h>
#include <pwd.h>
#include <sysexits.h>
//#include <uuid/uuid.h>
namespace fs = filesystem;
std::string root() {
static std::string root;
fs::path root() {
static fs::path root;
if (root.empty()) {
const char *cp = getenv("HOME");
@ -44,8 +47,9 @@ std::string root() {
cp = pw->pw_dir;
}
root = cp;
if (root.back() != '/') root.push_back('/');
root += "mpw/";
//if (root.back() != '/') root.push_back('/');
//root += "mpw/";
root /= "mpw/";
}
return root;
}
@ -350,7 +354,7 @@ int make(int argc, char **argv) {
e.startup(true);
read_file(p1, root() + "Startup");
read_file(p1, root() / "Startup");
e.startup(false);
@ -358,8 +362,53 @@ int make(int argc, char **argv) {
}
fs::path mpw_path() {
static fs::path path;
if (path.empty()) {
std::error_code ec;
std::string s(getenv("PATH"));
string_splitter ss(s, ':');
for (; ss; ++ss) {
if (ss->empty()) continue;
fs::path p(*ss);
p /= "mpw";
if (fs::is_regular_file(p, ec)) {
path = std::move(p);
break;
}
}
//also check /usr/local/bin
if (path.empty()) {
fs::path p = "/usr/local/bin/mpw";
if (fs::is_regular_file(p, ec)) {
path = std::move(p);
}
}
if (path.empty()) {
fs::path p = root() / "bin/mpw";
if (fs::is_regular_file(p, ec)) {
path = std::move(p);
}
}
if (path.empty()) {
fprintf(stderr, "Unable to find mpw executable\n");
fprintf(stderr, "PATH = %s\n", s.c_str());
path = "mpw";
}
}
return path;
}
int main(int argc, char **argv) {
mpw_path();
std::string self = basename(argv[0]);
if (self == "mpw-make") return make(argc - 1, argv + 1);
@ -429,7 +478,7 @@ int main(int argc, char **argv) {
if (!cflag) fprintf(stdout, "MPW Shell 0.0\n");
e.startup(true);
read_file(p1, root() + "Startup");
read_file(p1, root() / "Startup");
e.startup(false);
if (cflag) {