diff options
Diffstat (limited to 'history.h')
| -rw-r--r-- | history.h | 142 |
1 files changed, 71 insertions, 71 deletions
@@ -18,7 +18,7 @@ typedef std::vector<wcstring> path_list_t; enum history_search_type_t { /** The history searches for strings containing the given string */ HISTORY_SEARCH_TYPE_CONTAINS, - + /** The history searches for strings starting with the given string */ HISTORY_SEARCH_TYPE_PREFIX }; @@ -31,30 +31,30 @@ class history_item_t { private: explicit history_item_t(const wcstring &); explicit history_item_t(const wcstring &, time_t, const path_list_t &paths = path_list_t()); - + /** Attempts to merge two compatible history items together */ bool merge(const history_item_t &item); - /** The actual contents of the entry */ - wcstring contents; - - /** Original creation time for the entry */ - time_t creation_timestamp; - + /** The actual contents of the entry */ + wcstring contents; + + /** Original creation time for the entry */ + time_t creation_timestamp; + /** Paths that we require to be valid for this item to be autosuggested */ path_list_t required_paths; - + public: const wcstring &str() const { return contents; } bool empty() const { return contents.empty(); } - + /* Whether our contents matches a search term. */ bool matches_search(const wcstring &term, enum history_search_type_t type) const; - + time_t timestamp() const { return creation_timestamp; } - + const path_list_t &get_required_paths() const { return required_paths; } - + bool operator==(const history_item_t &other) const { return contents == other.contents && creation_timestamp == other.creation_timestamp && @@ -78,36 +78,36 @@ private: /** Private creator */ history_t(const wcstring &pname); - + /** Privately add an item */ void add(const history_item_t &item); - + /** Destructor */ ~history_t(); /** Lock for thread safety */ pthread_mutex_t lock; - + /** Internal function */ void clear_file_state(); - /** The name of this list. Used for picking a suitable filename and for switching modes. */ - const wcstring name; - - /** New items. */ - std::vector<history_item_t> new_items; + /** The name of this list. Used for picking a suitable filename and for switching modes. */ + const wcstring name; + + /** New items. */ + std::vector<history_item_t> new_items; + + /** Deleted item contents. */ + std::set<wcstring> deleted_items; - /** Deleted item contents. */ - std::set<wcstring> deleted_items; + /** How many items we've added without saving */ + size_t unsaved_item_count; - /** How many items we've added without saving */ - size_t unsaved_item_count; - - /** The mmaped region for the history file */ - const char *mmap_start; + /** The mmaped region for the history file */ + const char *mmap_start; - /** The size of the mmap'd region */ - size_t mmap_length; + /** The size of the mmap'd region */ + size_t mmap_length; /** The type of file we mmap'd */ history_file_type_t mmap_type; @@ -115,23 +115,23 @@ private: /** Timestamp of when this history was created */ const time_t birth_timestamp; - /** Timestamp of last save */ - time_t save_timestamp; - + /** Timestamp of last save */ + time_t save_timestamp; + void populate_from_mmap(void); - + /** List of old items, as offsets into out mmap data */ std::vector<size_t> old_item_offsets; - + /** Whether we've loaded old items */ bool loaded_old; - + /** Loads old if necessary */ bool load_old_if_needed(void); - + /** Deletes duplicates in new_items. */ void compact_new_items(); - + /** Saves history */ void save_internal(); @@ -139,38 +139,38 @@ private: static history_item_t decode_item_fish_2_0(const char *base, size_t len); static history_item_t decode_item_fish_1_x(const char *base, size_t len); static history_item_t decode_item(const char *base, size_t len, history_file_type_t type); - + public: /** Returns history with the given name, creating it if necessary */ static history_t & history_with_name(const wcstring &name); - + /** Determines whether the history is empty. Unfortunately this cannot be const, since it may require populating the history. */ bool is_empty(void); - + /** Add a new history item to the end */ void add(const wcstring &str, const path_list_t &valid_paths = path_list_t()); /** Remove a history item */ void remove(const wcstring &str); - + /** Add a new history item to the end */ void add_with_file_detection(const wcstring &str); - + /** Saves history */ void save(); - + /** Irreversibly clears history */ void clear(); - + /** Populates from a bash history file */ void populate_from_bash(FILE *f); - + /* Gets all the history into a string with ARRAY_SEP_STR. This is intended for the $history environment variable. This may be long! */ void get_string_representation(wcstring &str, const wcstring &separator); - + /** Return the specified history at the specified index. 0 is the index of the current commandline. (So the most recent item is at index 1.) */ history_item_t item_at_index(size_t idx); - + bool is_deleted(const history_item_t &item) const; }; @@ -178,10 +178,10 @@ class history_search_t { /** The history in which we are searching */ history_t * history; - + /** Our type */ enum history_search_type_t search_type; - + /** Our list of previous matches as index, value. The end is the current match. */ typedef std::pair<size_t, history_item_t> prev_match_t; std::vector<prev_match_t> prev_matches; @@ -191,14 +191,14 @@ class history_search_t { /** The search term */ wcstring term; - + /** Additional strings to skip (sorted) */ wcstring_list_t external_skips; - + bool should_skip_match(const wcstring &str) const; - + public: - + /** Gets the search term */ const wcstring &get_term() const { return term; } @@ -207,22 +207,22 @@ class history_search_t { /** Finds the next search term (forwards in time). Returns true if one was found. */ bool go_forwards(void); - + /** Finds the previous search result (backwards in time). Returns true if one was found. */ bool go_backwards(void); - + /** Goes to the end (forwards) */ void go_to_end(void); - + /** Returns if we are at the end. We start out at the end. */ bool is_at_end(void) const; - + /** Goes to the beginning (backwards) */ void go_to_beginning(void); - + /** Returns the current search result item. asserts if there is no current item. */ history_item_t current_item(void) const; - + /** Returns the current search result item contents. asserts if there is no current item. */ wcstring current_string(void) const; @@ -233,14 +233,14 @@ class history_search_t { search_type(type), term(str) {} - + /* Default constructor */ history_search_t() : history(), search_type(HISTORY_SEARCH_TYPE_CONTAINS), term() {} - + }; @@ -266,31 +266,31 @@ struct file_detection_context_t { /* Constructor */ file_detection_context_t(history_t *hist, const wcstring &cmd); - + /* Determine which of potential_paths are valid, and put them in valid_paths */ int perform_file_detection(); - + /* The history associated with this context */ history_t *history; - + /* The command */ wcstring command; - + /* When the command was issued */ time_t when; - + /* The working directory at the time the command was issued */ wcstring working_directory; - + /* Paths to test */ path_list_t potential_paths; - + /* Paths that were found to be valid */ path_list_t valid_paths; - + /* Performs file detection. Returns 1 if every path in potential_paths is valid, 0 otherwise. If test_all is true, tests every path; otherwise stops as soon as it reaches an invalid path. */ int perform_file_detection(bool test_all); - + /* Determine whether the given paths are all valid */ bool paths_are_valid(const path_list_t &paths); }; |