Enhancements

- Context implementation snapshot
This commit is contained in:
Paul Beckingham 2009-06-06 12:13:13 -04:00
parent 0ec3b4b6af
commit c2a386b913
2 changed files with 184 additions and 16 deletions

View file

@ -45,6 +45,7 @@ Context::Context ()
, task ()
, tdb ()
, stringtable ()
, command ("")
{
// Set up randomness.
#ifdef HAVE_SRANDOM
@ -65,6 +66,10 @@ Context::Context (const Context& other)
task = other.task;
tdb = other.tdb;
stringtable = other.stringtable;
args = other.args;
command = other.command;
messages = other.messages;
footnotes = other.footnotes;
}
////////////////////////////////////////////////////////////////////////////////
@ -80,6 +85,10 @@ Context& Context::operator= (const Context& other)
task = other.task;
tdb = other.tdb;
stringtable = other.stringtable;
args = other.args;
command = other.command;
messages = other.messages;
footnotes = other.footnotes;
}
return *this;
@ -93,9 +102,13 @@ Context::~Context ()
////////////////////////////////////////////////////////////////////////////////
void Context::initialize (int argc, char** argv)
{
// Capture the args.
for (int i = 0; i < argc; ++i)
args.push_back (argv[i]);
// Load the configuration file from the home directory. If the file cannot
// be found, offer to create a sample one.
loadCorrectConfigFile (argc, argv);
loadCorrectConfigFile ();
// When redirecting output to a file, do not use color, curses.
if (!isatty (fileno (stdout)))
@ -181,20 +194,20 @@ int Context::interactive ()
}
////////////////////////////////////////////////////////////////////////////////
void Context::loadCorrectConfigFile (int argc, char** argv)
void Context::loadCorrectConfigFile ()
{
for (int i = 1; i < argc; ++i)
foreach (arg, args)
{
if (! strncmp (argv[i], "rc:", 3))
if (arg->substr (0, 3) == "rc:")
{
if (! access (&(argv[i][3]), F_OK))
std::string file = arg->substr (3, std::string::npos);
if (! access (file.c_str (), F_OK))
{
std::string file = &(argv[i][3]);
config.load (file);
return;
}
else
throw std::string ("Could not read configuration file '") + &(argv[i][3]) + "'";
throw std::string ("Could not read configuration file '") + file + "'";
}
}
@ -207,12 +220,165 @@ void Context::loadCorrectConfigFile (int argc, char** argv)
std::string file = pw->pw_dir;
config.createDefault (file);
// TODO Apply overrides of type: "rc.name:value"
// Apply overrides of type: "rc.name:value"
/*
// TODO Maybe this should happen after the parse?
foreach (arg, args)
{
if (arg->substr (0, 3) == "rc.")
{
std::string name;
std::string value;
Nibbler n (*arg);
if (n.getUntil ('.', name) &&
n.skip ('.') &&
n.getUntil (':', name) &&
n.skip (':') &&
n.getUntilEOS (value))
{
config.set (name, value);
}
}
}
*/
}
////////////////////////////////////////////////////////////////////////////////
void Context::parse ()
{
command = "";
bool terminated = false;
bool foundSequence = false;
bool foundSomethingAfterSequence = false;
std::string descCandidate = "";
foreach (arg, args)
{
// Ignore any argument that is "rc:...", because that is the command line
// specified rc file.
if (arg->substr (0, 3) != "rc:")
{
if (!terminated)
{
/*
size_t colon; // Pointer to colon in argument.
std::string from;
std::string to;
bool global;
std::vector <int> sequence;
// The '--' argument shuts off all parsing - everything is an argument.
if (arg == "--")
terminated = true;
// An id is the first argument found that contains all digits.
else if (lowerCase (command) != "add" && // "add" doesn't require an ID
validSequence (arg, sequence) &&
! foundSomethingAfterSequence)
{
foundSequence = true;
foreach (id, sequence)
task.addId (*id);
}
// Tags begin with + or - and contain arbitrary text.
else if (validTag (arg))
{
if (foundSequence)
foundSomethingAfterSequence = true;
if (arg[0] == '+')
task.addTag (arg->substr (1, std::string::npos));
else if (arg[0] == '-')
task.addRemoveTag (arg->substr (1, std::string::npos));
}
// Attributes contain a constant string followed by a colon, followed by a
// value.
else if ((colon = arg->find (":")) != std::string::npos)
{
if (foundSequence)
foundSomethingAfterSequence = true;
std::string name = lowerCase (arg->substr (0, colon));
std::string value = arg->substr (colon + 1, std::string::npos);
if (validAttribute (name, value))
{
if (name != "recur" || validDuration (value))
task.setAttribute (name, value);
}
// If it is not a valid attribute, then allow the argument as part of
// the description.
else
{
if (descCandidate.length ())
descCandidate += " ";
descCandidate += arg;
}
}
// Substitution of description text.
else if (validSubstitution (arg, from, to, global))
{
if (foundSequence)
foundSomethingAfterSequence = true;
task.setSubstitution (from, to, global);
}
// Command.
else if (command == "")
{
if (foundSequence)
foundSomethingAfterSequence = true;
std::string l = lowerCase (arg);
if (isCommand (l) && validCommand (l))
command = l;
else
{
if (descCandidate.length ())
descCandidate += " ";
descCandidate += arg;
}
}
// Anything else is just considered description.
else
{
if (foundSequence)
foundSomethingAfterSequence = true;
if (descCandidate.length ())
descCandidate += " ";
descCandidate += arg;
}
*/
}
// terminated, therefore everything subsequently is a description.
else
{
/*
if (foundSequence)
foundSomethingAfterSequence = true;
if (descCandidate.length ())
descCandidate += " ";
descCandidate += arg;
*/
}
}
}
/*
if (validDescription (descCandidate))
task.set ("description", descCandidate);
*/
// TODO Replace parse.cpp:parse
throw std::string ("unimplemented Context::parse");
}