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comparison src/fold.c @ 29:ac33b7c03fac v7.0018

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updated for version 7.0018
author vimboss
date Mon, 11 Oct 2004 10:16:09 +0000
parents 3fc0f57ecb91
children f6033dcbaf31
comparison
equal deleted inserted replaced
28:726bdc53fa49 29:ac33b7c03fac
1899 ml_replace(lnum, newline, FALSE); 1899 ml_replace(lnum, newline, FALSE);
1900 } 1900 }
1901 } 1901 }
1902 break; 1902 break;
1903 } 1903 }
1904 }
1905
1906 /* get_foldtext() {{{2 */
1907 /*
1908 * Return the text for a closed fold at line "lnum", with last line "lnume".
1909 * When 'foldtext' isn't set puts the result in "buf[51]". Otherwise the
1910 * result is in allocated memory.
1911 */
1912 char_u *
1913 get_foldtext(wp, lnum, lnume, foldinfo, buf)
1914 win_T *wp;
1915 linenr_T lnum, lnume;
1916 foldinfo_T *foldinfo;
1917 char_u *buf;
1918 {
1919 char_u *text = NULL;
1920
1921 #ifdef FEAT_EVAL
1922 if (*wp->w_p_fdt != NUL)
1923 {
1924 char_u dashes[51];
1925 win_T *save_curwin;
1926 int level;
1927 char_u *p;
1928 int len;
1929
1930 /* Set "v:foldstart" and "v:foldend". */
1931 set_vim_var_nr(VV_FOLDSTART, lnum);
1932 set_vim_var_nr(VV_FOLDEND, lnume);
1933
1934 /* Set "v:folddashes" to a string of "level" dashes. */
1935 /* Set "v:foldlevel" to "level". */
1936 level = foldinfo->fi_level;
1937 if (level > 50)
1938 level = 50;
1939 vim_memset(dashes, '-', (size_t)level);
1940 dashes[level] = NUL;
1941 set_vim_var_string(VV_FOLDDASHES, dashes, -1);
1942 set_vim_var_nr(VV_FOLDLEVEL, (long)level);
1943 save_curwin = curwin;
1944 curwin = wp;
1945 curbuf = wp->w_buffer;
1946
1947 ++emsg_off;
1948 text = eval_to_string_safe(wp->w_p_fdt, NULL);
1949 --emsg_off;
1950
1951 curwin = save_curwin;
1952 curbuf = curwin->w_buffer;
1953 set_vim_var_string(VV_FOLDDASHES, NULL, -1);
1954
1955 if (text != NULL)
1956 {
1957 /* Replace unprintable characters, if there are any. But
1958 * replace a TAB with a space. */
1959 for (p = text; *p != NUL; ++p)
1960 {
1961 # ifdef FEAT_MBYTE
1962 if (has_mbyte && (len = (*mb_ptr2len_check)(p)) > 1)
1963 {
1964 if (!vim_isprintc((*mb_ptr2char)(p)))
1965 break;
1966 p += len - 1;
1967 }
1968 else
1969 # endif
1970 if (*p == TAB)
1971 *p = ' ';
1972 else if (ptr2cells(p) > 1)
1973 break;
1974 }
1975 if (*p != NUL)
1976 {
1977 p = transstr(text);
1978 vim_free(text);
1979 text = p;
1980 }
1981 }
1982 }
1983 if (text == NULL)
1984 #endif
1985 {
1986 sprintf((char *)buf, _("+--%3ld lines folded "),
1987 (long)(lnume - lnum + 1));
1988 text = buf;
1989 }
1990 return text;
1904 } 1991 }
1905 1992
1906 /* foldtext_cleanup() {{{2 */ 1993 /* foldtext_cleanup() {{{2 */
1907 /* 1994 /*
1908 * Remove 'foldmarker' and 'commentstring' from "str" (in-place). 1995 * Remove 'foldmarker' and 'commentstring' from "str" (in-place).