functions.h File Reference

Editor functions. More...

#include <stdbool.h>
#include <stddef.h>

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Data Structures
struct	EnterFunction
	A NeoMutt function. More...

Typedefs
typedef int(*	enter_function_t) (struct EnterWindowData *wdata, int op)

Functions
int	enter_function_dispatcher (struct MuttWindow *win, int op)
	Perform an Enter function - Implements function_dispatcher_t -.
bool	self_insert (struct EnterWindowData *wdata, int ch)
	Insert a normal character.
void	replace_part (struct EnterState *es, size_t from, const char *buf)
	Search and replace on a buffer.

Detailed Description

Editor functions.

Authors

• Richard Russon

Copyright

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file functions.h.

Typedef Documentation

enter_function_t

typedef int(* enter_function_t) (struct EnterWindowData *wdata, int op)

Definition at line 42 of file functions.h.

Function Documentation

self_insert()

bool self_insert	(	struct EnterWindowData *	wdata,
		int	ch
	)

Insert a normal character.

Parameters

wdata	Enter window data
ch	Raw keypress

Return values

true	If done (enter pressed)

Definition at line 89 of file window.c.

{
  if (!wdata)
    return true;
 
  wdata->tabs = 0;
  wchar_t wc = 0;
 
  /* quietly ignore all other function keys */
  if (ch & ~0xff)
    return false;
 
  /* gather the bytes into a wide character */
  {
    char c = ch;
    size_t k = mbrtowc(&wc, &c, 1, wdata->mbstate);
    if (k == ICONV_BUF_TOO_SMALL)
    {
      return false;
    }
    else if ((k != 0) && (k != 1))
    {
      memset(wdata->mbstate, 0, sizeof(*wdata->mbstate));
      return false;
    }
  }
 
  if (wdata->first && (wdata->flags & MUTT_COMP_CLEAR))
  {
    wdata->first = false;
    if (IsWPrint(wc)) /* why? */
    {
      wdata->state->curpos = 0;
      wdata->state->lastchar = 0;
    }
  }
 
  if ((wc == '\r') || (wc == '\n'))
  {
    /* Convert from wide characters */
    buf_mb_wcstombs(wdata->buffer, wdata->state->wbuf, wdata->state->lastchar);
    if (!wdata->pass)
      mutt_hist_add(wdata->hclass, buf_string(wdata->buffer), true);
 
    if (wdata->cdata)
    {
      struct FileCompletionData *cdata = wdata->cdata;
      if (cdata->multiple)
      {
        char **tfiles = NULL;
        *cdata->numfiles = 1;
        tfiles = MUTT_MEM_CALLOC(*cdata->numfiles, char *);
        buf_expand_path_regex(wdata->buffer, false);
        tfiles[0] = buf_strdup(wdata->buffer);
        *cdata->files = tfiles;
      }
    }
    return true;
  }
  else if (wc && ((wc < ' ') || IsWPrint(wc))) /* why? */
  {
    if (wdata->state->lastchar >= wdata->state->wbuflen)
    {
      wdata->state->wbuflen = wdata->state->lastchar + 20;
      MUTT_MEM_REALLOC(&wdata->state->wbuf, wdata->state->wbuflen, wchar_t);
    }
    memmove(wdata->state->wbuf + wdata->state->curpos + 1,
            wdata->state->wbuf + wdata->state->curpos,
            (wdata->state->lastchar - wdata->state->curpos) * sizeof(wchar_t));
    wdata->state->wbuf[wdata->state->curpos++] = wc;
    wdata->state->lastchar++;
  }
  else
  {
    mutt_flushinp();
    mutt_beep(false);
  }
 
  return false;
}

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replace_part()

void replace_part	(	struct EnterState *	es,
		size_t	from,
		const char *	buf
	)

Search and replace on a buffer.

Parameters

es	Current state of the input buffer
from	Starting point for the replacement
buf	Replacement string

Definition at line 132 of file functions.c.

{
  /* Save the suffix */
  size_t savelen = es->lastchar - es->curpos;
  wchar_t *savebuf = NULL;
 
  if (savelen)
  {
    savebuf = MUTT_MEM_CALLOC(savelen, wchar_t);
    wmemcpy(savebuf, es->wbuf + es->curpos, savelen);
  }
 
  /* Convert to wide characters */
  es->curpos = mutt_mb_mbstowcs(&es->wbuf, &es->wbuflen, from, buf);
 
  if (savelen)
  {
    /* Make space for suffix */
    if (es->curpos + savelen > es->wbuflen)
    {
      es->wbuflen = es->curpos + savelen;
      MUTT_MEM_REALLOC(&es->wbuf, es->wbuflen, wchar_t);
    }
 
    /* Restore suffix */
    wmemcpy(es->wbuf + es->curpos, savebuf, savelen);
    FREE(&savebuf);
  }
 
  es->lastchar = es->curpos + savelen;
}