Example #1
0
/* Move to the next word in the file.  If allow_punct is TRUE, treat
 * punctuation as part of a word.  If allow_update is TRUE, update the
 * screen afterwards.  Return TRUE if we started on a word, and FALSE
 * otherwise. */
bool do_next_word(bool allow_punct, bool allow_update)
{
    filestruct *was_current = openfile->current;
    bool started_on_word = is_word_mbchar(openfile->current->data +
				openfile->current_x, allow_punct);
    bool seen_space = !started_on_word;

    assert(openfile->current != NULL && openfile->current->data != NULL);

    /* Move forward until we reach the start of a word. */
    while (TRUE) {
	/* If at the end of a line, move to the beginning of the next one. */
	if (openfile->current->data[openfile->current_x] == '\0') {
	    /* If at the end of the file, stop. */
	    if (openfile->current->next == NULL)
		break;
	    openfile->current = openfile->current->next;
	    openfile->current_x = 0;
	    seen_space = TRUE;
	} else {
	    /* Step forward one character. */
	    openfile->current_x = move_mbright(openfile->current->data,
						openfile->current_x);
	}

	/* If this is not a word character, then it's a separator; else
	 * if we've already seen a separator, then it's a word start. */
	if (!is_word_mbchar(openfile->current->data + openfile->current_x,
				allow_punct))
	    seen_space = TRUE;
	else if (seen_space)
	    break;
    }

    /* If allow_update is TRUE, update the screen. */
    if (allow_update) {
	focusing = FALSE;
	edit_redraw(was_current);
    }

    /* Return whether we started on a word. */
    return started_on_word;
}
Example #2
0
File: utils.c Project: sria91/nano
/* Is the word starting at position pos in buf a whole word? */
bool is_whole_word(size_t pos, const char *buf, const char *word)
{
    char *p = charalloc(mb_cur_max()), *r = charalloc(mb_cur_max());
    size_t word_end = pos + strlen(word);
    bool retval;

    assert(buf != NULL && pos <= strlen(buf) && word != NULL);

    parse_mbchar(buf + move_mbleft(buf, pos), p, NULL);
    parse_mbchar(buf + word_end, r, NULL);

    /* If we're at the beginning of the line or the character before the
     * word isn't a non-punctuation "word" character, and if we're at
     * the end of the line or the character after the word isn't a
     * non-punctuation "word" character, we have a whole word. */
    retval = (pos == 0 || !is_word_mbchar(p, FALSE)) &&
	(word_end == strlen(buf) || !is_word_mbchar(r, FALSE));

    free(p);
    free(r);

    return retval;
}
Example #3
0
File: move.c Project: sria91/nano
/* Move to the previous word in the file.  If allow_punct is TRUE, treat
 * punctuation as part of a word.  If allow_update is TRUE, update the
 * screen afterwards. */
void do_prev_word(bool allow_punct, bool allow_update)
{
    size_t pww_save = openfile->placewewant;
    filestruct *current_save = openfile->current;
    bool seen_a_word = FALSE, step_forward = FALSE;

    assert(openfile->current != NULL && openfile->current->data != NULL);

    /* Move backward until we pass over the start of a word. */
    while (TRUE) {
        /* If at the head of a line, move to the end of the preceding one. */
        if (openfile->current_x == 0) {
            if (openfile->current->prev == NULL)
                break;
            openfile->current = openfile->current->prev;
            openfile->current_x = strlen(openfile->current->data);
        }

        /* Step back one character. */
        openfile->current_x = move_mbleft(openfile->current->data,
                                          openfile->current_x);

        if (is_word_mbchar(openfile->current->data + openfile->current_x,
                           allow_punct)) {
            seen_a_word = TRUE;
            /* If at the head of a line now, this surely is a word start. */
            if (openfile->current_x == 0)
                break;
        } else if (seen_a_word) {
            /* This is space now: we've overshot the start of the word. */
            step_forward = TRUE;
            break;
        }
    }

    if (step_forward)
        /* Move one character forward again to sit on the start of the word. */
        openfile->current_x = move_mbright(openfile->current->data,
                                           openfile->current_x);
    openfile->placewewant = xplustabs();

    /* If allow_update is TRUE, update the screen. */
    if (allow_update)
        edit_redraw(current_save, pww_save);
}
Example #4
0
File: prompt.c Project: ris21/yoda
/* Move to the previous word in the prompt text.  If allow_punct is
 * TRUE, treat punctuation as part of a word.  Return TRUE if we started
 * on a word, and FALSE otherwise. */
bool do_statusbar_prev_word(bool allow_punct)
{
    size_t pww_save = statusbar_pww;
    char *char_mb;
    int char_mb_len;
    bool begin_line = FALSE, started_on_word = FALSE;

    assert(answer != NULL);

    char_mb = charalloc(mb_cur_max());

    /* Move backward until we find the character before the first letter
     * of the current word. */
    while (!begin_line) {
	char_mb_len = parse_mbchar(answer + statusbar_x, char_mb, NULL);

	/* If we've found it, stop moving backward through the current
	 * line. */
	if (!is_word_mbchar(char_mb, allow_punct))
	    break;

	/* If we haven't found it, then we've started on a word, so set
	 * started_on_word to TRUE. */
	started_on_word = TRUE;

	if (statusbar_x == 0)
	    begin_line = TRUE;
	else
	    statusbar_x = move_mbleft(answer, statusbar_x);
    }

    /* Move backward until we find the last letter of the previous
     * word. */
    if (statusbar_x == 0)
	begin_line = TRUE;
    else
	statusbar_x = move_mbleft(answer, statusbar_x);

    while (!begin_line) {
	char_mb_len = parse_mbchar(answer + statusbar_x, char_mb, NULL);

	/* If we've found it, stop moving backward through the current
	 * line. */
	if (is_word_mbchar(char_mb, allow_punct))
	    break;

	if (statusbar_x == 0)
	    begin_line = TRUE;
	else
	    statusbar_x = move_mbleft(answer, statusbar_x);
    }

    /* If we've found it, move backward until we find the character
     * before the first letter of the previous word. */
    if (!begin_line) {
	if (statusbar_x == 0)
	    begin_line = TRUE;
	else
	    statusbar_x = move_mbleft(answer, statusbar_x);

	while (!begin_line) {
	    char_mb_len = parse_mbchar(answer + statusbar_x, char_mb,
		NULL);

	    /* If we've found it, stop moving backward through the
	     * current line. */
	    if (!is_word_mbchar(char_mb, allow_punct))
		break;

	    if (statusbar_x == 0)
		begin_line = TRUE;
	    else
		statusbar_x = move_mbleft(answer, statusbar_x);
	}

	/* If we've found it, move forward to the first letter of the
	 * previous word. */
	if (!begin_line)
	    statusbar_x += char_mb_len;
    }

    free(char_mb);

    statusbar_pww = statusbar_xplustabs();

    if (need_statusbar_update(pww_save))
	update_statusbar_line(answer, statusbar_x);

    /* Return whether we started on a word. */
    return started_on_word;
}
Example #5
0
File: prompt.c Project: ris21/yoda
/* Move to the next word in the prompt text.  If allow_punct is TRUE,
 * treat punctuation as part of a word.  Return TRUE if we started on a
 * word, and FALSE otherwise. */
bool do_statusbar_next_word(bool allow_punct)
{
    size_t pww_save = statusbar_pww;
    char *char_mb;
    int char_mb_len;
    bool end_line = FALSE, started_on_word = FALSE;

    assert(answer != NULL);

    char_mb = charalloc(mb_cur_max());

    /* Move forward until we find the character after the last letter of
     * the current word. */
    while (!end_line) {
	char_mb_len = parse_mbchar(answer + statusbar_x, char_mb, NULL);

	/* If we've found it, stop moving forward through the current
	 * line. */
	if (!is_word_mbchar(char_mb, allow_punct))
	    break;

	/* If we haven't found it, then we've started on a word, so set
	 * started_on_word to TRUE. */
	started_on_word = TRUE;

	if (answer[statusbar_x] == '\0')
	    end_line = TRUE;
	else
	    statusbar_x += char_mb_len;
    }

    /* Move forward until we find the first letter of the next word. */
    if (answer[statusbar_x] == '\0')
	end_line = TRUE;
    else
	statusbar_x += char_mb_len;

    while (!end_line) {
	char_mb_len = parse_mbchar(answer + statusbar_x, char_mb, NULL);

	/* If we've found it, stop moving forward through the current
	 * line. */
	if (is_word_mbchar(char_mb, allow_punct))
	    break;

	if (answer[statusbar_x] == '\0')
	    end_line = TRUE;
	else
	    statusbar_x += char_mb_len;
    }

    free(char_mb);

    statusbar_pww = statusbar_xplustabs();

    if (need_statusbar_update(pww_save))
	update_statusbar_line(answer, statusbar_x);

    /* Return whether we started on a word. */
    return started_on_word;
}
Example #6
0
File: move.c Project: rofl0r/nano
/* Move to the previous word in the file.  If allow_punct is TRUE, treat
 * punctuation as part of a word.  If allow_update is TRUE, update the
 * screen afterwards.  Return TRUE if we started on a word, and FALSE
 * otherwise. */
bool do_prev_word(bool allow_punct, bool allow_update)
{
    size_t pww_save = openfile->placewewant;
    filestruct *current_save = openfile->current;
    char *char_mb;
    int char_mb_len;
    bool begin_line = FALSE, started_on_word = FALSE;

    assert(openfile->current != NULL && openfile->current->data != NULL);

    char_mb = charalloc(mb_cur_max());

    /* Move backward until we find the character before the first letter
     * of the current word. */
    while (!begin_line) {
	char_mb_len = parse_mbchar(openfile->current->data +
		openfile->current_x, char_mb, NULL);

	/* If we've found it, stop moving backward through the current
	 * line. */
	if (!is_word_mbchar(char_mb, allow_punct))
	    break;

	/* If we haven't found it, then we've started on a word, so set
	 * started_on_word to TRUE. */
	started_on_word = TRUE;

	if (openfile->current_x == 0)
	    begin_line = TRUE;
	else
	    openfile->current_x = move_mbleft(openfile->current->data,
		openfile->current_x);
    }

    /* Move backward until we find the last letter of the previous
     * word. */
    if (openfile->current_x == 0)
	begin_line = TRUE;
    else
	openfile->current_x = move_mbleft(openfile->current->data,
		openfile->current_x);

    for (; openfile->current != NULL;
	openfile->current = openfile->current->prev) {
	while (!begin_line) {
	    char_mb_len = parse_mbchar(openfile->current->data +
		openfile->current_x, char_mb, NULL);

	    /* If we've found it, stop moving backward through the
	     * current line. */
	    if (is_word_mbchar(char_mb, allow_punct))
		break;

	    if (openfile->current_x == 0)
		begin_line = TRUE;
	    else
		openfile->current_x =
			move_mbleft(openfile->current->data,
			openfile->current_x);
	}

	/* If we've found it, stop moving backward to the ends of
	 * previous lines. */
	if (!begin_line)
	    break;

	if (openfile->current != openfile->fileage) {
	    begin_line = FALSE;
	    openfile->current_x = strlen(openfile->current->prev->data);
	}
    }

    /* If we haven't found it, move to the beginning of the file. */
    if (openfile->current == NULL)
	openfile->current = openfile->fileage;
    /* If we've found it, move backward until we find the character
     * before the first letter of the previous word. */
    else if (!begin_line) {
	if (openfile->current_x == 0)
	    begin_line = TRUE;
	else
	    openfile->current_x = move_mbleft(openfile->current->data,
		openfile->current_x);

	while (!begin_line) {
	    char_mb_len = parse_mbchar(openfile->current->data +
		openfile->current_x, char_mb, NULL);

	    /* If we've found it, stop moving backward through the
	     * current line. */
	    if (!is_word_mbchar(char_mb, allow_punct))
		break;

	    if (openfile->current_x == 0)
		begin_line = TRUE;
	    else
		openfile->current_x =
			move_mbleft(openfile->current->data,
			openfile->current_x);
	}

	/* If we've found it, move forward to the first letter of the
	 * previous word. */
	if (!begin_line)
	    openfile->current_x += char_mb_len;
    }

    free(char_mb);

    openfile->placewewant = xplustabs();

    /* If allow_update is TRUE, update the screen. */
    if (allow_update)
	edit_redraw(current_save, pww_save);

    /* Return whether we started on a word. */
    return started_on_word;
}
Example #7
0
File: move.c Project: rofl0r/nano
/* Move to the next word in the file.  If allow_punct is TRUE, treat
 * punctuation as part of a word.  If allow_update is TRUE, update the
 * screen afterwards.  Return TRUE if we started on a word, and FALSE
 * otherwise. */
bool do_next_word(bool allow_punct, bool allow_update)
{
    size_t pww_save = openfile->placewewant;
    filestruct *current_save = openfile->current;
    char *char_mb;
    int char_mb_len;
    bool end_line = FALSE, started_on_word = FALSE;

    assert(openfile->current != NULL && openfile->current->data != NULL);

    char_mb = charalloc(mb_cur_max());

    /* Move forward until we find the character after the last letter of
     * the current word. */
    while (!end_line) {
	char_mb_len = parse_mbchar(openfile->current->data +
		openfile->current_x, char_mb, NULL);

	/* If we've found it, stop moving forward through the current
	 * line. */
	if (!is_word_mbchar(char_mb, allow_punct))
	    break;

	/* If we haven't found it, then we've started on a word, so set
	 * started_on_word to TRUE. */
	started_on_word = TRUE;

	if (openfile->current->data[openfile->current_x] == '\0')
	    end_line = TRUE;
	else
	    openfile->current_x += char_mb_len;
    }

    /* Move forward until we find the first letter of the next word. */
    if (openfile->current->data[openfile->current_x] == '\0')
	end_line = TRUE;
    else
	openfile->current_x += char_mb_len;

    for (; openfile->current != NULL;
	openfile->current = openfile->current->next) {
	while (!end_line) {
	    char_mb_len = parse_mbchar(openfile->current->data +
		openfile->current_x, char_mb, NULL);

	    /* If we've found it, stop moving forward through the
	     * current line. */
	    if (is_word_mbchar(char_mb, allow_punct))
		break;

	    if (openfile->current->data[openfile->current_x] == '\0')
		end_line = TRUE;
	    else
		openfile->current_x += char_mb_len;
	}

	/* If we've found it, stop moving forward to the beginnings of
	 * subsequent lines. */
	if (!end_line)
	    break;

	if (openfile->current != openfile->filebot) {
	    end_line = FALSE;
	    openfile->current_x = 0;
	}
    }

    free(char_mb);

    /* If we haven't found it, move to the end of the file. */
    if (openfile->current == NULL)
	openfile->current = openfile->filebot;

    openfile->placewewant = xplustabs();

    /* If allow_update is TRUE, update the screen. */
    if (allow_update)
	edit_redraw(current_save, pww_save);

    /* Return whether we started on a word. */
    return started_on_word;
}