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Tag Class Reference

#include <cmt_tag.h>

Collaboration diagram for Tag:

[legend]List of all members.

Public Types
typedef cmt_vector<Tag>	TagVector
typedef cmt_vector<Tag*>	TagPtrVector
Public Methods
	Tag ()
	~Tag ()
void	clear ()
void	add_tag_ref (Tag* ref)
void	add_tag_exclude (Tag* ref)
void	unmark ()
void	mark ()
void	show_definition (bool quiet) const
void	show (bool quiet) const
bool	is_selected () const
Public Attributes
cmt_string	name
TagPtrVector	tag_refs
TagPtrVector	tag_excludes
int	priority
Use*	def_use
Use*	set_use
cmt_string	context
bool	selected
Static Public Methods
void	action (const CmtSystem::cmt_string_vector& words, Use* use)
void	action_exclude (const CmtSystem::cmt_string_vector& words, Use* use)
Tag*	find (const cmt_string& name)
Tag*	add (const cmt_string& name, int priority, const cmt_string& context, Use* use = 0)
int	tag_number ()
Tag*	tag (int index)
void	unmark_all ()
void	restore_tree ()
	Restore the tag tree after cleaning up one tag and its local tree. More...
void	clear_all ()
TagVector&	all_tags ()
TagPtrVector&	tags ()
Tag*	get_default ()

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Member Typedef Documentation

typedef cmt_vector<Tag*> Tag::TagPtrVector

Definition at line 12 of file cmt_tag.h.

typedef cmt_vector<Tag> Tag::TagVector

Definition at line 11 of file cmt_tag.h.

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Constructor & Destructor Documentation

Tag::Tag ( )

Definition at line 448 of file cmt_tag.cxx. { }

Tag::~Tag ( )

Definition at line 453 of file cmt_tag.cxx. { }

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Member Function Documentation

void Tag::action ( const CmtSystem::cmt_string_vector & words, Use * use ) [static]

Definition at line 147 of file cmt_tag.cxx. Referenced by Cmt::select(). { cmt_string name; Tag* tag; Tag* ref; name = words[1]; if (name == "") return; tag = add (name, PriorityUserTag, "use", use); int priority = PriorityUserTag; if (tag->priority > priority) { priority = tag->priority; } //if (tag->tag_refs.size () == 0) //{ tag->set_use = use; //} for (int i = 2; i < words.size (); i++) { name = words[i]; if (name == "") break; ref = add (name, priority, "use", use); tag->add_tag_ref (ref); if (tag->selected) // it was previously selected { ref->mark (); } } }

void Tag::action_exclude ( const CmtSystem::cmt_string_vector & words, Use * use ) [static]

Definition at line 185 of file cmt_tag.cxx. Referenced by Cmt::select(). { cmt_string name; Tag* tag; Tag* ref; name = words[1]; if (name == "") return; tag = add (name, PriorityUserTag, "use", use); if (tag->tag_excludes.size () == 0) { tag->set_use = use; int i; for (i = 2; i < words.size (); i++) { cmt_string n; n = words[i]; if (n == "") break; ref = add (n, PriorityUserTag, "use", use); /* if (!Cmt::quiet) { cerr << "Excluding tag " << n << "(" << ref->priority << ") from tag " << name << "(" << tag->priority << ")" << endl; } */ tag->add_tag_exclude (ref); ref->add_tag_exclude (tag); } // // We have to check that some of the excluded tags may be already selected. // Then we have to figure out which one has to win: // // the one with the highest priority // or the first that had been declared. // int count = 0; int winner_count = 0; Tag* winner = 0; if (tag->selected) { count++; winner = tag; winner_count = 1; } for (i = 0; i < tag->tag_excludes.size (); i++) { Tag* ref = tag->tag_excludes[i]; if (ref == 0) continue; if (ref->selected) { count++; if ((winner == 0) || (ref->priority > winner->priority)) { winner = ref; winner_count = 1; } else if (ref->priority == winner->priority) { winner_count++; } } } if (count > 1) { if (winner_count > 1) { // // Several contradictory tags are selected and have the same priority!! // } // // We have at least one selected, and one winner. // All others will be unselected. // if (tag != winner) { tag->unmark (); } for (i = 0; i < tag->tag_excludes.size (); i++) { Tag* ref = tag->tag_excludes[i]; if (ref == 0) continue; if (ref == winner) continue; ref->unmark (); } } } }

Tag * Tag::add ( const cmt_string & name, int priority, const cmt_string & context, Use * use = 0 ) [static]

Definition at line 320 of file cmt_tag.cxx. Referenced by action(), Symbol::action(), action_exclude(), Cmt::configure_config_tag(), Cmt::configure_hosttype_tag(), Cmt::configure_site_tag(), Cmt::configure_tags(), Cmt::configure_uname_tag(), get_default(), Cmt::load(), Cmt::parse_arguments(), Cmt::reach_current_package(), and Cmt::restore_all_tags(). { static TagPtrVector& Tags = tags (); static TagVector& AllTags = all_tags (); Tag* tag; if (name == "") return (0); tag = find (name); if (tag != 0) { if (priority > tag->priority) { tag->priority = priority; /* if (!Cmt::quiet) { cerr << "increasing priority of " << name << " p=" << priority << endl; } */ } else { /* if (!Cmt::quiet) { cerr << "keeping priority of " << name << " p=" << tag->priority << endl; } */ } return (tag); } /* if (!Cmt::quiet) { cerr << "adding tag " << name << " p=" << priority << endl; } */ Tag& tag_object = AllTags.add (); tag = &tag_object; Tags.push_back (tag); tag->clear (); tag->name = name; tag->selected = false; tag->priority = priority; tag->def_use = use; tag->context = context; return (tag); }

void Tag::add_tag_exclude ( Tag * ref )

Definition at line 490 of file cmt_tag.cxx. Referenced by action_exclude(). { if (ref == 0) return; /* if (selected && ref->selected) { static TagPtrVector& Tags = tags (); int tag_index; for (tag_index = 0; tag_index < Tags.size (); tag_index++) { Tag* t = Tags[tag_index]; if (t == this) { ref->unmark (); break; } if (t == ref) { unmark (); break; } } } */ if (tag_excludes.size () > 0) { int number; for (number = 0; number < tag_excludes.size (); number++) { Tag* t = tag_excludes[number]; if (t == ref) return; } } tag_excludes.push_back (ref); }

void Tag::add_tag_ref ( Tag * ref )

Definition at line 471 of file cmt_tag.cxx. Referenced by action(). { if (ref == 0) return; if (tag_refs.size () > 0) { int number; for (number = 0; number < tag_refs.size (); number++) { Tag* t = tag_refs[number]; if (t == ref) return; } } tag_refs.push_back (ref); }

Tag::TagVector & Tag::all_tags ( ) [static]

Definition at line 416 of file cmt_tag.cxx. Referenced by add(), and clear_all(). { static Database& db = Database::instance (); static TagVector& AllTags = db.all_tags (); return (AllTags); }

void Tag::clear ( )

Definition at line 458 of file cmt_tag.cxx. Referenced by add(), and clear_all(). { name = ""; tag_refs.clear (); tag_excludes.clear (); priority = PriorityUserTag; selected = false; def_use = 0; set_use = 0; context = ""; }

void Tag::clear_all ( ) [static]

Definition at line 398 of file cmt_tag.cxx. Referenced by Database::clear(), and Cmt::parse_arguments(). { static TagPtrVector& Tags = tags (); static TagVector& AllTags = all_tags (); int tag_index; for (tag_index = 0; tag_index < AllTags.size (); tag_index++) { Tag& tag = AllTags[tag_index]; tag.clear (); } Tags.clear (); AllTags.clear (); }

Tag * Tag::find ( const cmt_string & name ) [static]

Definition at line 297 of file cmt_tag.cxx. Referenced by Symbol::action(), add(), Cmt::print(), and SymbolValueList::select_first(). { static TagPtrVector& Tags = tags (); int tag_index; Tag* tag; if (Tags.size () == 0) return (0); for (tag_index = 0; tag_index < Tags.size (); tag_index++) { tag = Tags[tag_index]; if ((tag != 0) && (tag->name == name)) { return (tag); } } return (0); }

Tag * Tag::get_default ( ) [static]

Definition at line 434 of file cmt_tag.cxx. Referenced by Symbol::add_value_to_list(), MacroBuilder::build(), PathBuilder::build(), SetBuilder::build(), and Symbol::is_selected(). { static Tag* default_tag = 0; if (default_tag == 0) { default_tag = add ("Default", PriorityDefault, "Default", 0); default_tag->selected = true; } return (default_tag); }

bool Tag::is_selected ( ) const

Definition at line 620 of file cmt_tag.cxx. Referenced by Cmt::print(). { return (selected); }

void Tag::mark ( )

Definition at line 83 of file cmt_tag.cxx. Referenced by action(), Cmt::configure_config_tag(), Cmt::configure_hosttype_tag(), Cmt::configure_site_tag(), Cmt::configure_tags(), Cmt::configure_uname_tag(), Cmt::load(), Cmt::parse_arguments(), Cmt::reach_current_package(), Cmt::restore_all_tags(), and restore_tree(). { if (selected) return; if (tag_excludes.size () > 0) { int number; for (number = 0; number < tag_excludes.size (); number++) { Tag* ref = tag_excludes[number]; if (ref->selected) { if (priority > ref->priority) { // // Although this other contradictory tag is already selected, // its priority is lower. Therefore it will lose !! It has to be // unselected ... // ref->unmark (); } else { /* if (!Cmt::quiet) { cerr << "Cannot mark excluded tag " << name << " p=" << priority << " because " << ref->name << "(" << ref->priority << ")" << endl; show (0); } */ return; } } } } selected = true; /* if (!Cmt::quiet) { cerr << "Marking tag " << name << " p=" << priority << endl; show (0); } */ if (tag_refs.size () > 0) { int number; for (number = 0; number < tag_refs.size (); number++) { Tag* ref = tag_refs[number]; ref->mark (); } } }

void Tag::restore_tree ( ) [static]

Restore the tag tree after cleaning up one tag and its local tree. Definition at line 55 of file cmt_tag.cxx. Referenced by Cmt::load(), and Cmt::reach_current_package(). { static TagPtrVector& Tags = tags (); int tag_number; for (tag_number = 0; tag_number < Tags.size (); tag_number++) { Tag* tag = Tags[tag_number]; if (tag->selected) { if (tag->tag_refs.size () > 0) { int number; for (number = 0; number < tag->tag_refs.size (); number++) { Tag* ref = tag->tag_refs[number]; ref->mark (); } } } } }

void Tag::show ( bool quiet ) const

Definition at line 614 of file cmt_tag.cxx. Referenced by Cmt::do_show_tags(). { if (selected) show_definition (quiet); }

void Tag::show_definition ( bool quiet ) const

Definition at line 535 of file cmt_tag.cxx. Referenced by Cmt::do_show_all_tags(), and show(). { static const cmt_string priority_text[] = { "Lowest", "Default", "Uname", "Config", "UserTag", "PrimaryUserTag", "Tag" }; cout << name; if (!quiet) { //cout << "context=" << context << " use=" << def_use << endl; if ((context == "use") || (def_use != 0)) { if (def_use != 0) { cout << " (from "; if (context != "use") cout << context; cout << "package " << def_use->package << ")"; } } else { cout << " (from " << context << ")"; } //cout << " (" << priority_text[priority] << ")"; if (tag_refs.size () > 0) { int number; if (set_use != 0) { cout << " package " << set_use->package; } cout << " implies ["; for (number = 0; number < tag_refs.size (); number++) { Tag* ref = tag_refs[number]; if (number > 0) cout << " "; cout << ref->name; } cout << "]"; } if (tag_excludes.size () > 0) { int number; if (set_use != 0) { cout << " package " << set_use->package; } cout << " excludes ["; for (number = 0; number < tag_excludes.size (); number++) { Tag* ref = tag_excludes[number]; if (number > 0) cout << " "; cout << ref->name; } cout << "]"; } } cout << endl; }

Tag * Tag::tag ( int index ) [static]

Definition at line 390 of file cmt_tag.cxx. { static TagPtrVector& Tags = tags (); return (Tags[index]); }

int Tag::tag_number ( ) [static]

Definition at line 382 of file cmt_tag.cxx. { static TagPtrVector& Tags = tags (); return (Tags.size ()); }

Tag::TagPtrVector & Tag::tags ( ) [static]

Definition at line 425 of file cmt_tag.cxx. Referenced by add(), clear_all(), Cmt::do_show_all_tags(), Cmt::do_show_tags(), find(), Cmt::parse_arguments(), restore_tree(), tag(), tag_number(), and unmark_all(). { static Database& db = Database::instance (); static TagPtrVector& Tags = db.tags (); return (Tags); }

void Tag::unmark ( )

Definition at line 16 of file cmt_tag.cxx. Referenced by action_exclude(), mark(), and unmark_all(). { if (!selected) return; if ((priority == PriorityDefault) || (priority == PrioritySite) || (priority == PriorityUname)) return; /* if (!Cmt::quiet) { cerr << "Unmarking tag " << name << " p=" << priority << endl; show (0); } */ selected = false; def_use = 0; }

void Tag::unmark_all ( ) [static]

Definition at line 37 of file cmt_tag.cxx. Referenced by Cmt::load(), and Cmt::parse_arguments(). { static TagPtrVector& Tags = tags (); int tag_number; for (tag_number = 0; tag_number < Tags.size (); tag_number++) { Tag* tag = Tags[tag_number]; if (tag->selected) tag->unmark (); } }

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Member Data Documentation

cmt_string Tag::context

Definition at line 46 of file cmt_tag.h.

Use * Tag::def_use

Definition at line 44 of file cmt_tag.h.

cmt_string Tag::name

Definition at line 40 of file cmt_tag.h.

int Tag::priority

Definition at line 43 of file cmt_tag.h.

bool Tag::selected

Definition at line 47 of file cmt_tag.h.

Use * Tag::set_use

Definition at line 45 of file cmt_tag.h.

TagPtrVector Tag::tag_excludes

Definition at line 42 of file cmt_tag.h.

TagPtrVector Tag::tag_refs

Definition at line 41 of file cmt_tag.h.

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The documentation for this class was generated from the following files:

• cmt_tag.h
• cmt_tag.cxx

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