mirror of
https://github.com/GothenburgBitFactory/taskwarrior.git
synced 2025-06-26 10:54:26 +02:00
Expressions reboot
- Now handles argument captures from argv, stdin. - Now handles rc overrides, aliases, default command.
This commit is contained in:
Paul Beckingham
parent
5b5978952a
commit
4fc4e0f637
3 changed files with 105 additions and 95 deletions
174
src/A3.cpp
174
src/A3.cpp
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@ -241,20 +241,10 @@ bool A3::is_command (
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return false;
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}
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#ifdef NOPE
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////////////////////////////////////////////////////////////////////////////////
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// Add a pair for every word from std::cin, with a category of "".
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void A3::append_stdin ()
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{
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bool something_happened = false;
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// Use 'select' to determine whether there is any std::cin content buffered
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// before trying to read it, to prevent blocking.
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struct timeval tv;
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@ -273,13 +263,9 @@ void A3::append_stdin ()
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if (arg == "--")
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break;
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this->push_back (Arg (arg, "", ""));
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something_happened = true;
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this->push_back (Arg (arg, ""));
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}
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}
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if (something_happened)
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categorize ();
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}
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////////////////////////////////////////////////////////////////////////////////
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@ -291,9 +277,9 @@ void A3::rc_override (
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std::vector <Arg>::iterator arg;
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for (arg = this->begin (); arg != this->end (); ++arg)
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{
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if (arg->_third == "rc")
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if (arg->_category == "rc")
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{
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rc = File (arg->_first.substr (3));
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rc = File (arg->_raw.substr (3));
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home = rc;
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std::string::size_type last_slash = rc.data.rfind ("/");
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@ -304,7 +290,7 @@ void A3::rc_override (
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context.header ("Using alternate .taskrc file " + rc.data);
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// Keep scanning, because if there are multiple rc:file arguments, we
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// Keep looping, because if there are multiple rc:file arguments, we
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// want the last one to dominate.
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}
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}
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@ -321,46 +307,18 @@ void A3::get_data_location (std::string& data)
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std::vector <Arg>::iterator arg;
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for (arg = this->begin (); arg != this->end (); ++arg)
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{
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if (arg->_third == "override")
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if (arg->_category == "override")
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{
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if (arg->_first.substr (0, 16) == "rc.data.location" &&
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arg->_first[16] == ':')
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if (arg->_raw.substr (0, 16) == "rc.data.location" &&
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(arg->_raw[16] == ':' || arg->_raw[16] == '='))
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{
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data = arg->_first.substr (17);
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data = arg->_raw.substr (17);
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context.header ("Using alternate data.location " + data);
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}
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}
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// Keep scanning, because if there are multiple rc:file arguments, we
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// want the last one to dominate.
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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// Extracts any rc.name:value args and sets the name/value in context.config,
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// leaving only the plain args.
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void A3::apply_overrides ()
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{
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std::vector <Arg>::iterator arg;
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for (arg = this->begin (); arg != this->end (); ++arg)
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{
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if (arg->_third == "override")
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{
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std::string name;
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std::string value;
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Nibbler n (arg->_first);
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if (n.getLiteral ("rc.") && // rc.
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n.getUntil (':', name) && // xxx
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n.skip (':')) // :
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{
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n.getUntilEOS (value); // May be blank.
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context.config.set (name, value);
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context.footnote ("Configuration override rc." + name + ":" + value);
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}
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else
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context.footnote ("Problem with override: " + arg->_first);
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}
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// Keep scanning, because if there are multiple overrides, we want the last
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// one to dominate.
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}
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}
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@ -380,18 +338,18 @@ void A3::resolve_aliases ()
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for (arg = this->begin (); arg != this->end (); ++arg)
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{
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std::map <std::string, std::string>::iterator match =
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context.aliases.find (arg->_first);
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context.aliases.find (arg->_raw);
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if (match != context.aliases.end ())
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{
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context.debug (std::string ("A3::resolve_aliases '")
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+ arg->_first
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+ arg->_raw
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+ "' --> '"
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+ context.aliases[arg->_first]
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+ context.aliases[arg->_raw]
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+ "'");
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std::vector <std::string> words;
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splitq (words, context.aliases[arg->_first], ' ');
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splitq (words, context.aliases[arg->_raw], ' ');
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std::vector <std::string>::iterator word;
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for (word = words.begin (); word != words.end (); ++word)
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@ -400,7 +358,7 @@ void A3::resolve_aliases ()
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something = true;
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}
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else
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expanded.push_back (arg->_first);
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expanded.push_back (arg->_raw);
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}
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// Only overwrite if something happened.
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@ -409,13 +367,43 @@ void A3::resolve_aliases ()
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this->clear ();
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std::vector <std::string>::iterator e;
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for (e = expanded.begin (); e != expanded.end (); ++e)
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this->push_back (Arg (*e, "", ""));
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this->push_back (Arg (*e, ""));
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expanded.clear ();
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categorize ();
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}
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}
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while (something && --safety_valve > 0);
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if (safety_valve <= 0)
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context.debug ("Nested alias limit of 10 reached.");
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}
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////////////////////////////////////////////////////////////////////////////////
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// Extracts any rc.name:value args and sets the name/value in context.config,
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// leaving only the plain args.
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void A3::apply_overrides ()
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{
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std::vector <Arg>::iterator arg;
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for (arg = this->begin (); arg != this->end (); ++arg)
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{
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if (arg->_category == "override")
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{
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std::string name;
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std::string value;
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Nibbler n (arg->_raw);
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if (n.getLiteral ("rc.") && // rc.
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n.getUntilOneOf (":=", name) && // xxx
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(n.skip (':') || n.skip ('='))) // [:=]
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{
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n.getUntilEOS (value); // May be blank.
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context.config.set (name, value);
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context.footnote ("Configuration override rc." + name + ":" + value);
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}
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else
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context.footnote ("Problem with override: " + arg->_raw);
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}
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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@ -430,16 +418,18 @@ void A3::inject_defaults ()
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std::vector <Arg>::iterator arg;
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for (arg = this->begin (); arg != this->end (); ++arg)
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{
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if (arg->_third == "command")
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if (arg->_category == "command")
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found_command = true;
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else if (arg->_third == "id" ||
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arg->_third == "uuid")
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/* TODO no "id" or "uuid" categories exist at this time. Hmm.
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else if (arg->_category == "id" ||
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arg->_category == "uuid")
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found_sequence = true;
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*/
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else if (arg->_third != "program" &&
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arg->_third != "override" &&
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arg->_third != "rc")
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else if (arg->_category != "program" &&
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arg->_category != "override" &&
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arg->_category != "rc")
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found_other = true;
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}
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@ -478,16 +468,47 @@ void A3::inject_defaults ()
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}
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////////////////////////////////////////////////////////////////////////////////
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std::vector <std::string> A3::list ()
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const std::string A3::combine () const
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{
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std::string combined;
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std::vector <Arg>::const_iterator arg;
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for (arg = this->begin (); arg != this->end (); ++arg)
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{
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if (arg != this->begin ())
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combined += " ";
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combined += arg->_raw;
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}
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return combined;
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}
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////////////////////////////////////////////////////////////////////////////////
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const std::vector <std::string> A3::list () const
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{
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std::vector <std::string> all;
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std::vector <Arg>::iterator arg;
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std::vector <Arg>::const_iterator arg;
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for (arg = this->begin (); arg != this->end (); ++arg)
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all.push_back (arg->_first);
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all.push_back (arg->_raw);
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return all;
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}
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#ifdef NOPE
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////////////////////////////////////////////////////////////////////////////////
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std::vector <std::string> A3::operator_list ()
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{
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@ -498,23 +519,6 @@ std::vector <std::string> A3::operator_list ()
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return all;
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}
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////////////////////////////////////////////////////////////////////////////////
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std::string A3::combine ()
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{
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std::string combined;
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std::vector <Arg>::iterator arg;
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for (arg = this->begin (); arg != this->end (); ++arg)
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{
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if (arg != this->begin ())
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combined += " ";
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combined += arg->_first;
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}
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return combined;
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}
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////////////////////////////////////////////////////////////////////////////////
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bool A3::find_command (std::string& command)
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{
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