diff options
Diffstat (limited to 'src/nvim/buffer.c')
| -rw-r--r-- | src/nvim/buffer.c | 217 |
1 files changed, 110 insertions, 107 deletions
diff --git a/src/nvim/buffer.c b/src/nvim/buffer.c index c58eb1610e..20dd94622f 100644 --- a/src/nvim/buffer.c +++ b/src/nvim/buffer.c @@ -65,6 +65,7 @@ #include "nvim/os/time.h" #include "nvim/os_unix.h" #include "nvim/path.h" +#include "nvim/plines.h" #include "nvim/quickfix.h" #include "nvim/regexp.h" #include "nvim/screen.h" @@ -98,13 +99,15 @@ typedef enum { kBffInitChangedtick = 2, } BufFreeFlags; -// Read data from buffer for retrying. -static int read_buffer(int read_stdin, // read file from stdin, otherwise fifo - exarg_T *eap, // for forced 'ff' and 'fenc' or NULL - int flags) // extra flags for readfile() +/// Read data from buffer for retrying. +/// +/// @param read_stdin read file from stdin, otherwise fifo +/// @param eap for forced 'ff' and 'fenc' or NULL +/// @param flags extra flags for readfile() +static int read_buffer(int read_stdin, exarg_T *eap, int flags) { - int retval = OK; - linenr_T line_count; + int retval = OK; + linenr_T line_count; // // Read from the buffer which the text is already filled in and append at @@ -114,7 +117,7 @@ static int read_buffer(int read_stdin, // read file from stdin, otherwis line_count = curbuf->b_ml.ml_line_count; retval = readfile(read_stdin ? NULL : curbuf->b_ffname, read_stdin ? NULL : curbuf->b_fname, - (linenr_T)line_count, (linenr_T)0, (linenr_T)MAXLNUM, eap, + line_count, (linenr_T)0, (linenr_T)MAXLNUM, eap, flags | READ_BUFFER); if (retval == OK) { // Delete the binary lines. @@ -146,16 +149,18 @@ static int read_buffer(int read_stdin, // read file from stdin, otherwis return retval; } -// Open current buffer, that is: open the memfile and read the file into -// memory. -// Return FAIL for failure, OK otherwise. -int open_buffer(int read_stdin, // read file from stdin - exarg_T *eap, // for forced 'ff' and 'fenc' or NULL - int flags // extra flags for readfile() - ) +/// Open current buffer, that is: open the memfile and read the file into +/// memory. +/// +/// @param read_stdin read file from stdin +/// @param eap for forced 'ff' and 'fenc' or NULL +/// @param flags extra flags for readfile() +/// +/// @return FAIL for failure, OK otherwise. +int open_buffer(int read_stdin, exarg_T *eap, int flags) { int retval = OK; - bufref_T old_curbuf; + bufref_T old_curbuf; long old_tw = curbuf->b_p_tw; int read_fifo = false; @@ -816,6 +821,7 @@ static void free_buffer_stuff(buf_T *buf, int free_flags) uc_clear(&buf->b_ucmds); // clear local user commands buf_delete_signs(buf, (char_u *)"*"); // delete any signs extmark_free_all(buf); // delete any extmarks + clear_virt_lines(buf, -1); map_clear_int(buf, MAP_ALL_MODES, true, false); // clear local mappings map_clear_int(buf, MAP_ALL_MODES, true, true); // clear local abbrevs XFREE_CLEAR(buf->b_start_fenc); @@ -939,23 +945,22 @@ void handle_swap_exists(bufref_T *old_curbuf) swap_exists_action = SEA_NONE; // -V519 } -/* - * do_bufdel() - delete or unload buffer(s) - * - * addr_count == 0: ":bdel" - delete current buffer - * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete - * buffer "end_bnr", then any other arguments. - * addr_count == 2: ":N,N bdel" - delete buffers in range - * - * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or - * DOBUF_DEL (":bdel") - * - * Returns error message or NULL - */ -char_u *do_bufdel(int command, char_u *arg, // pointer to extra arguments - int addr_count, int start_bnr, // first buffer number in a range - int end_bnr, // buffer nr or last buffer nr in a range - int forceit) +/// do_bufdel() - delete or unload buffer(s) +/// +/// addr_count == 0: ":bdel" - delete current buffer +/// addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete +/// buffer "end_bnr", then any other arguments. +/// addr_count == 2: ":N,N bdel" - delete buffers in range +/// +/// command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or +/// DOBUF_DEL (":bdel") +/// +/// @param arg pointer to extra arguments +/// @param start_bnr first buffer number in a range +/// @param end_bnr buffer nr or last buffer nr in a range +/// +/// @return error message or NULL +char_u *do_bufdel(int command, char_u *arg, int addr_count, int start_bnr, int end_bnr, int forceit) { int do_current = 0; // delete current buffer? int deleted = 0; // number of buffers deleted @@ -1097,26 +1102,26 @@ static int empty_curbuf(int close_others, int forceit, int action) return retval; } -/* - * Implementation of the commands for the buffer list. - * - * action == DOBUF_GOTO go to specified buffer - * action == DOBUF_SPLIT split window and go to specified buffer - * action == DOBUF_UNLOAD unload specified buffer(s) - * action == DOBUF_DEL delete specified buffer(s) from buffer list - * action == DOBUF_WIPE delete specified buffer(s) really - * - * start == DOBUF_CURRENT go to "count" buffer from current buffer - * start == DOBUF_FIRST go to "count" buffer from first buffer - * start == DOBUF_LAST go to "count" buffer from last buffer - * start == DOBUF_MOD go to "count" modified buffer from current buffer - * - * Return FAIL or OK. - */ -int do_buffer(int action, int start, int dir, // FORWARD or BACKWARD - int count, // buffer number or number of buffers - int forceit // true for :...! - ) + +/// Implementation of the commands for the buffer list. +/// +/// action == DOBUF_GOTO go to specified buffer +/// action == DOBUF_SPLIT split window and go to specified buffer +/// action == DOBUF_UNLOAD unload specified buffer(s) +/// action == DOBUF_DEL delete specified buffer(s) from buffer list +/// action == DOBUF_WIPE delete specified buffer(s) really +/// +/// start == DOBUF_CURRENT go to "count" buffer from current buffer +/// start == DOBUF_FIRST go to "count" buffer from first buffer +/// start == DOBUF_LAST go to "count" buffer from last buffer +/// start == DOBUF_MOD go to "count" modified buffer from current buffer +/// +/// @param dir FORWARD or BACKWARD +/// @param count buffer number or number of buffers +/// @param forceit true for :...! +/// +/// @return FAIL or OK. +int do_buffer(int action, int start, int dir, int count, int forceit) { buf_T *buf; buf_T *bp; @@ -2154,11 +2159,13 @@ static buf_T *buflist_findname_file_id(char_u *ffname, FileID *file_id, bool fil /// Find file in buffer list by a regexp pattern. /// Return fnum of the found buffer. /// Return < 0 for error. -int buflist_findpat(const char_u *pattern, const char_u *pattern_end, // pointer to first char after pattern - bool unlisted, // find unlisted buffers - bool diffmode, // find diff-mode buffers only - bool curtab_only // find buffers in current tab only - ) +/// +/// @param pattern_end pointer to first char after pattern +/// @param unlisted find unlisted buffers +/// @param diffmode find diff-mode buffers only +/// @param curtab_only find buffers in current tab only +int buflist_findpat(const char_u *pattern, const char_u *pattern_end, bool unlisted, bool diffmode, + bool curtab_only) FUNC_ATTR_NONNULL_ARG(1) { int match = -1; @@ -2466,14 +2473,14 @@ buf_T *buflist_findnr(int nr) return handle_get_buffer((handle_T)nr); } -/* - * Get name of file 'n' in the buffer list. - * When the file has no name an empty string is returned. - * home_replace() is used to shorten the file name (used for marks). - * Returns a pointer to allocated memory, of NULL when failed. - */ -char_u *buflist_nr2name(int n, int fullname, int helptail // for help buffers return tail only - ) +/// Get name of file 'n' in the buffer list. +/// When the file has no name an empty string is returned. +/// home_replace() is used to shorten the file name (used for marks). +/// +/// @param helptail for help buffers return tail only +/// +/// @return a pointer to allocated memory, of NULL when failed. +char_u *buflist_nr2name(int n, int fullname, int helptail) { buf_T *buf; @@ -2800,13 +2807,14 @@ int buflist_name_nr(int fnum, char_u **fname, linenr_T *lnum) return OK; } -// Set the file name for "buf" to "ffname_arg", short file name to -// "sfname_arg". -// The file name with the full path is also remembered, for when :cd is used. -// Returns FAIL for failure (file name already in use by other buffer) -// OK otherwise. -int setfname(buf_T *buf, char_u *ffname_arg, char_u *sfname_arg, bool message // give message when buffer already exists - ) +/// Set the file name for "buf" to "ffname_arg", short file name to +/// "sfname_arg". +/// The file name with the full path is also remembered, for when :cd is used. +/// +/// @param message give message when buffer already exists +/// +/// @return FAIL for failure (file name already in use by other buffer) OK otherwise. +int setfname(buf_T *buf, char_u *ffname_arg, char_u *sfname_arg, bool message) { char_u *ffname = ffname_arg; char_u *sfname = sfname_arg; @@ -2934,12 +2942,11 @@ buf_T *setaltfname(char_u *ffname, char_u *sfname, linenr_T lnum) return buf; } -/* - * Get alternate file name for current window. - * Return NULL if there isn't any, and give error message if requested. - */ -char_u *getaltfname(bool errmsg // give error message - ) +/// Get alternate file name for current window. +/// Return NULL if there isn't any, and give error message if requested. +/// +/// @param errmsg give error message +char_u *getaltfname(bool errmsg) { char_u *fname; linenr_T dummy; @@ -3078,11 +3085,10 @@ static bool buf_same_file_id(buf_T *buf, FileID *file_id) return buf->file_id_valid && os_fileid_equal(&(buf->file_id), file_id); } -/* - * Print info about the current buffer. - */ -void fileinfo(int fullname, // when non-zero print full path - int shorthelp, int dont_truncate) +/// Print info about the current buffer. +/// +/// @param fullname when non-zero print full path +void fileinfo(int fullname, int shorthelp, int dont_truncate) { char_u *name; int n; @@ -3258,7 +3264,7 @@ void maketitle(void) buf_p += MIN(size, SPACE_FOR_FNAME); } else { buf_p += transstr_buf((const char *)path_tail(curbuf->b_fname), - buf_p, SPACE_FOR_FNAME + 1); + buf_p, SPACE_FOR_FNAME + 1, true); } switch (bufIsChanged(curbuf) @@ -3307,7 +3313,7 @@ void maketitle(void) // room for the server name. When there is no room (very long // file name) use (...). if ((size_t)(buf_p - buf) < SPACE_FOR_DIR) { - char *const tbuf = transstr(buf_p); + char *const tbuf = transstr(buf_p, true); const size_t free_space = SPACE_FOR_DIR - (size_t)(buf_p - buf) + 1; const size_t dir_len = xstrlcpy(buf_p, tbuf, free_space); buf_p += MIN(dir_len, free_space - 1); @@ -3423,14 +3429,14 @@ void resettitle(void) ui_flush(); } -# if defined(EXITFREE) +#if defined(EXITFREE) void free_titles(void) { xfree(lasttitle); xfree(lasticon); } -# endif +#endif /// Enumeration specifying the valid numeric bases that can /// be used when printing numbers in the status line. @@ -4653,7 +4659,7 @@ void get_rel_pos(win_T *wp, char_u *buf, int buflen) long below; // number of lines below window above = wp->w_topline - 1; - above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; + above += win_get_fill(wp, wp->w_topline) - wp->w_topfill; if (wp->w_topline == 1 && wp->w_topfill >= 1) { // All buffer lines are displayed and there is an indication // of filler lines, that can be considered seeing all lines. @@ -4751,12 +4757,11 @@ char_u *alist_name(aentry_T *aep) return bp->b_fname; } -/* - * do_arg_all(): Open up to 'count' windows, one for each argument. - */ -void do_arg_all(int count, int forceit, // hide buffers in current windows - int keep_tabs // keep current tabs, for ":tab drop file" - ) +/// do_arg_all(): Open up to 'count' windows, one for each argument. +/// +/// @param forceit hide buffers in current windows +/// @param keep_tabs keep current tabs, for ":tab drop file" +void do_arg_all(int count, int forceit, int keep_tabs) { char_u *opened; // Array of weight for which args are open: // 0: not opened @@ -5254,12 +5259,11 @@ void do_modelines(int flags) entered--; } -/* - * chk_modeline() - check a single line for a mode string - * Return FAIL if an error encountered. - */ -static int chk_modeline(linenr_T lnum, int flags // Same as for do_modelines(). - ) +/// chk_modeline() - check a single line for a mode string +/// Return FAIL if an error encountered. +/// +/// @param flags Same as for do_modelines(). +static int chk_modeline(linenr_T lnum, int flags) { char_u *s; char_u *e; @@ -5631,13 +5635,12 @@ bool buf_contents_changed(buf_T *buf) return differ; } -/* - * Wipe out a buffer and decrement the last buffer number if it was used for - * this buffer. Call this to wipe out a temp buffer that does not contain any - * marks. - */ -void wipe_buffer(buf_T *buf, bool aucmd // When true trigger autocommands. - ) +/// Wipe out a buffer and decrement the last buffer number if it was used for +/// this buffer. Call this to wipe out a temp buffer that does not contain any +/// marks. +/// +/// @param aucmd When true trigger autocommands. +void wipe_buffer(buf_T *buf, bool aucmd) { if (!aucmd) { // Don't trigger BufDelete autocommands here. |