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authorKaren Arutyunov <karen@codesynthesis.com>2020-09-10 19:05:23 +0300
committerKaren Arutyunov <karen@codesynthesis.com>2020-09-11 19:09:24 +0300
commit377cec303eea81fb18b294eb47a54587643dbd01 (patch)
tree8437bff2e99415b49f22bbd325aa47c768716d7f /tests/default-options/driver.cxx
parent2b14f09675c10d999779858ae31934b7eef55b89 (diff)
Add support for arguments in default options files helpers
Diffstat (limited to 'tests/default-options/driver.cxx')
-rw-r--r--tests/default-options/driver.cxx137
1 files changed, 117 insertions, 20 deletions
diff --git a/tests/default-options/driver.cxx b/tests/default-options/driver.cxx
index c6ac671..574e002 100644
--- a/tests/default-options/driver.cxx
+++ b/tests/default-options/driver.cxx
@@ -7,6 +7,7 @@
#include <string>
#include <vector>
#include <iostream>
+#include <stdexcept> // invalid_argument
#endif
// Other includes.
@@ -57,6 +58,9 @@ using namespace butl;
// -x
// Extra directory.
//
+// -a
+// Default arguments are allowed in the options files.
+//
// -e
// Print the default options entries (rather than the merged options) to
// STDOUT one per line in the following format:
@@ -76,19 +80,59 @@ main (int argc, const char* argv[])
public:
scanner (const string& f): ifs_ (f, fdopen_mode::in, ifdstream::badbit) {}
- optional<string>
+ bool
+ more ()
+ {
+ if (peeked_)
+ return true;
+
+ if (!eof_)
+ eof_ = ifs_.peek () == ifdstream::traits_type::eof ();
+
+ return !eof_;
+ }
+
+ string
+ peek ()
+ {
+ assert (more ());
+
+ if (peeked_)
+ return *peeked_;
+
+ string s;
+ getline (ifs_, s);
+
+ peeked_ = move (s);
+ return *peeked_;
+ }
+
+ string
next ()
{
+ assert (more ());
+
string s;
- return !eof (getline (ifs_, s)) ? optional<string> (move (s)) : nullopt;
+ if (peeked_)
+ {
+ s = move (*peeked_);
+ peeked_ = nullopt;
+ }
+ else
+ getline (ifs_, s);
+
+ return s;
}
private:
ifdstream ifs_;
+ bool eof_ = false;
+ optional<string> peeked_;
};
enum class unknow_mode
{
+ stop,
fail
};
@@ -96,15 +140,28 @@ main (int argc, const char* argv[])
{
public:
bool
- parse (scanner& s, unknow_mode, unknow_mode)
+ parse (scanner& s, unknow_mode, unknow_mode m)
{
bool r (false);
- while (optional<string> o = s.next ())
+ while (s.more ())
{
- if (*o == "--no-default-options")
+ string a (s.peek ());
+
+ if (a.compare (0, 2, "--") != 0)
+ {
+ switch (m)
+ {
+ case unknow_mode::stop: return r;
+ case unknow_mode::fail: throw invalid_argument (a);
+ }
+ }
+
+ s.next ();
+
+ if (a == "--no-default-options")
no_default_options_ = true;
- push_back (move (*o));
+ push_back (move (a));
r = true;
}
return r;
@@ -132,50 +189,58 @@ main (int argc, const char* argv[])
optional<dir_path> sys_dir;
optional<dir_path> home_dir;
optional<dir_path> extra_dir;
+ bool args (false);
vector<dir_path> dirs;
options cmd_ops;
+ vector<string> cmd_args;
bool print_entries (false);
bool trace (false);
for (int i (1); i != argc; ++i)
{
- string op (argv[i]);
+ string a (argv[i]);
- if (op == "-f")
+ if (a == "-f")
{
assert (++i != argc);
fs.files.push_back (path (argv[i]));
}
- else if (op == "-d")
+ else if (a == "-d")
{
assert (++i != argc);
dirs.emplace_back (argv[i]);
}
- else if (op == "-s")
+ else if (a == "-s")
{
assert (++i != argc);
sys_dir = dir_path (argv[i]);
}
- else if (op == "-h")
+ else if (a == "-h")
{
assert (++i != argc);
home_dir = dir_path (argv[i]);
}
- else if (op == "-x")
+ else if (a == "-x")
{
assert (++i != argc);
extra_dir = dir_path (argv[i]);
}
- else if (op == "-e")
+ else if (a == "-a")
+ {
+ args = true;
+ }
+ else if (a == "-e")
{
print_entries = true;
}
- else if (op == "-t")
+ else if (a == "-t")
{
trace = true;
}
+ else if (a.compare (0, 2, "--") == 0)
+ cmd_ops.push_back (move (a));
else
- cmd_ops.push_back (argv[i]);
+ cmd_args.push_back (move (a));
}
// Deduce a common start directory.
@@ -184,8 +249,11 @@ main (int argc, const char* argv[])
// Load and print the default options.
//
- default_options<options> def_ops (
- load_default_options<options, scanner, unknow_mode> (
+ default_options<options> def_ops;
+
+ try
+ {
+ def_ops = load_default_options<options, scanner, unknow_mode> (
sys_dir,
home_dir,
extra_dir,
@@ -195,7 +263,14 @@ main (int argc, const char* argv[])
if (trace)
cerr << (overwrite ? "overwriting " : "loading ")
<< (remote ? "remote " : "local ") << f << endl;
- }));
+ },
+ args);
+ }
+ catch (const invalid_argument& e)
+ {
+ cerr << "error: unexpected argument '" << e.what () << "'" << endl;
+ return 1;
+ }
if (print_entries)
{
@@ -211,18 +286,40 @@ main (int argc, const char* argv[])
cout << o;
}
+ if (args)
+ {
+ cout << "|";
+
+ for (const string& a: e.arguments)
+ {
+ if (&a != &e.arguments[0])
+ cout << ' ';
+
+ cout << a;
+ }
+
+ }
+
cout << (e.remote ? ",true" : ",false") << endl;
}
}
// Merge the options and print the result.
//
- options ops (merge_default_options (def_ops, cmd_ops));
-
if (!print_entries)
{
+ options ops (merge_default_options (def_ops, cmd_ops));
+
for (const string& o: ops)
cout << o << endl;
+
+ if (args)
+ {
+ vector<string> as (merge_default_arguments (def_ops, cmd_args));
+
+ for (const string& a: as)
+ cout << a << endl;
+ }
}
return 0;