/* vi:set ts=8 sts=4 sw=4: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. */ /* * digraph.c: code for digraphs */ #include "vim.h" #ifdef DIGRAPHS static int getexactdigraph __ARGS((int, int, int)); static void printdigraph __ARGS((char_u *)); static char_u (*digraphnew)[3]; /* pointer to added digraphs */ static int digraphcount = 0; /* number of added digraphs */ /* * Note: Characters marked with XX are not included literally, because some * compilers cannot handle them (Amiga SAS/C is the most picky one). */ #if (defined(MSDOS) || defined(WIN32) || defined(OS2)) && !defined(USE_GUI_WIN32) char_u digraphdefault[][3] = /* standard MSDOS digraphs */ {{'C', ',', 128}, /* ~@ XX */ {'u', '"', 129}, /* */ {'e', '\'', 130}, /* */ {'a', '^', 131}, /* */ {'a', '"', 132}, /* */ {'a', '`', 133}, /* */ {'a', '@', 134}, /* */ {'c', ',', 135}, /* ~G XX */ {'e', '^', 136}, /* ~H XX */ {'e', '"', 137}, /* */ {'e', '`', 138}, /* */ {'i', '"', 139}, /* */ {'i', '^', 140}, /* */ {'i', '`', 141}, /* */ {'A', '"', 142}, /* */ {'A', '@', 143}, /* */ {'E', '\'', 144}, /* */ {'a', 'e', 145}, /* */ {'A', 'E', 146}, /* */ {'o', '^', 147}, /* */ {'o', '"', 148}, /* */ {'o', '`', 149}, /* */ {'u', '^', 150}, /* */ {'u', '`', 151}, /* */ {'y', '"', 152}, /* */ {'O', '"', 153}, /* */ {'U', '"', 154}, /* */ {'c', '|', 155}, /* */ {'$', '$', 156}, /* */ {'Y', '-', 157}, /* ~] XX */ {'P', 't', 158}, /* */ {'f', 'f', 159}, /* */ {'a', '\'', 160}, /* */ {'i', '\'', 161}, /* */ {'o', '\'', 162}, /* */ {'u', '\'', 163}, /* x XX */ {'n', '~', 164}, /* */ {'N', '~', 165}, /* */ {'a', 'a', 166}, /* */ {'o', 'o', 167}, /* */ {'~', '?', 168}, /* */ {'-', 'a', 169}, /* */ {'a', '-', 170}, /* */ {'1', '2', 171}, /* */ {'1', '4', 172}, /* */ {'~', '!', 173}, /* */ {'<', '<', 174}, /* */ {'>', '>', 175}, /* */ {'s', 's', 225}, /* */ {'j', 'u', 230}, /* */ {'o', '/', 237}, /* */ {'+', '-', 241}, /* */ {'>', '=', 242}, /* */ {'<', '=', 243}, /* */ {':', '-', 246}, /* */ {'~', '~', 247}, /* */ {'~', 'o', 248}, /* */ {'2', '2', 253}, /* */ {NUL, NUL, NUL} }; #else /* !MSDOS && !WIN32 */ # ifdef __MINT__ char_u digraphdefault[][3] = /* standard ATARI digraphs */ {{'C', ',', 128}, /* ~@ */ {'u', '"', 129}, /* */ {'e', '\'', 130}, /* */ {'a', '^', 131}, /* */ {'a', '"', 132}, /* */ {'a', '`', 133}, /* */ {'a', '@', 134}, /* */ {'c', ',', 135}, /* ~G */ {'e', '^', 136}, /* ~H */ {'e', '"', 137}, /* */ {'e', '`', 138}, /* */ {'i', '"', 139}, /* */ {'i', '^', 140}, /* */ {'i', '`', 141}, /* */ {'A', '"', 142}, /* */ {'A', '@', 143}, /* */ {'E', '\'', 144}, /* */ {'a', 'e', 145}, /* */ {'A', 'E', 146}, /* */ {'o', '^', 147}, /* */ {'o', '"', 148}, /* */ {'o', '`', 149}, /* */ {'u', '^', 150}, /* */ {'u', '`', 151}, /* */ {'y', '"', 152}, /* */ {'O', '"', 153}, /* */ {'U', '"', 154}, /* */ {'c', '|', 155}, /* */ {'$', '$', 156}, /* */ {'Y', '-', 157}, /* ~] */ {'s', 's', 158}, /* */ {'f', 'f', 159}, /* */ {'a', '\'', 160}, /* */ {'i', '\'', 161}, /* */ {'o', '\'', 162}, /* */ {'u', '\'', 163}, /* */ {'n', '~', 164}, /* */ {'N', '~', 165}, /* */ {'a', 'a', 166}, /* */ {'o', 'o', 167}, /* */ {'~', '?', 168}, /* */ {'-', 'a', 169}, /* */ {'a', '-', 170}, /* */ {'1', '2', 171}, /* */ {'1', '4', 172}, /* */ {'~', '!', 173}, /* */ {'<', '<', 174}, /* */ {'>', '>', 175}, /* */ {'j', 'u', 230}, /* */ {'o', '/', 237}, /* */ {'+', '-', 241}, /* */ {'>', '=', 242}, /* */ {'<', '=', 243}, /* */ {':', '-', 246}, /* */ {'~', '~', 247}, /* */ {'~', 'o', 248}, /* */ {'2', '2', 253}, /* */ {NUL, NUL, NUL} }; # else /* !__MINT__ */ # ifdef HPUX_DIGRAPHS char_u digraphdefault[][3] = /* different HPUX digraphs */ {{'A', '`', 161}, /* */ {'A', '^', 162}, /* */ {'E', '`', 163}, /* */ {'E', '^', 164}, /* */ {'E', '"', 165}, /* */ {'I', '^', 166}, /* */ {'I', '"', 167}, /* */ {'\'', '\'', 168}, /* */ {'`', '`', 169}, /* */ {'^', '^', 170}, /* */ {'"', '"', 171}, /* */ {'~', '~', 172}, /* */ {'U', '`', 173}, /* */ {'U', '^', 174}, /* */ {'L', '=', 175}, /* */ {'~', '_', 176}, /* */ {'Y', '\'', 177}, /* */ {'y', '\'', 178}, /* */ {'~', 'o', 179}, /* */ {'C', ',', 180}, /* */ {'c', ',', 181}, /* */ {'N', '~', 182}, /* */ {'n', '~', 183}, /* */ {'~', '!', 184}, /* */ {'~', '?', 185}, /* */ {'o', 'x', 186}, /* */ {'L', '-', 187}, /* */ {'Y', '=', 188}, /* */ {'p', 'p', 189}, /* */ {'f', 'l', 190}, /* */ {'c', '|', 191}, /* */ {'a', '^', 192}, /* */ {'e', '^', 193}, /* */ {'o', '^', 194}, /* */ {'u', '^', 195}, /* */ {'a', '\'', 196}, /* */ {'e', '\'', 197}, /* */ {'o', '\'', 198}, /* */ {'u', '\'', 199}, /* */ {'a', '`', 200}, /* */ {'e', '`', 201}, /* */ {'o', '`', 202}, /* */ {'u', '`', 203}, /* */ {'a', '"', 204}, /* */ {'e', '"', 205}, /* */ {'o', '"', 206}, /* */ {'u', '"', 207}, /* */ {'A', 'o', 208}, /* */ {'i', '^', 209}, /* */ {'O', '/', 210}, /* */ {'A', 'E', 211}, /* */ {'a', 'o', 212}, /* */ {'i', '\'', 213}, /* */ {'o', '/', 214}, /* */ {'a', 'e', 215}, /* */ {'A', '"', 216}, /* */ {'i', '`', 217}, /* */ {'O', '"', 218}, /* */ {'U', '"', 219}, /* */ {'E', '\'', 220}, /* */ {'i', '"', 221}, /* */ {'s', 's', 222}, /* */ {'O', '^', 223}, /* */ {'A', '\'', 224}, /* */ {'A', '~', 225}, /* */ {'a', '~', 226}, /* */ {'D', '-', 227}, /* */ {'d', '-', 228}, /* */ {'I', '\'', 229}, /* */ {'I', '`', 230}, /* */ {'O', '\'', 231}, /* */ {'O', '`', 232}, /* */ {'O', '~', 233}, /* */ {'o', '~', 234}, /* */ {'S', '~', 235}, /* */ {'s', '~', 236}, /* */ {'U', '\'', 237}, /* */ {'Y', '"', 238}, /* */ {'y', '"', 239}, /* */ {'p', '-', 240}, /* */ {'p', '~', 241}, /* */ {'~', '.', 242}, /* */ {'j', 'u', 243}, /* */ {'P', 'p', 244}, /* */ {'3', '4', 245}, /* */ {'-', '-', 246}, /* */ {'1', '4', 247}, /* */ {'1', '2', 248}, /* */ {'a', '_', 249}, /* */ {'o', '_', 250}, /* */ {'<', '<', 251}, /* */ {'x', 'x', 252}, /* */ {'>', '>', 253}, /* */ {'+', '-', 254}, /* */ {'n', 'u', 255}, /* x XX */ {NUL, NUL, NUL} }; # else /* !HPUX_DIGRAPHS */ char_u digraphdefault[][3] = /* standard ISO digraphs */ {{'~', '!', 161}, /* */ {'c', '|', 162}, /* */ {'$', '$', 163}, /* */ {'o', 'x', 164}, /* */ {'Y', '-', 165}, /* */ {'|', '|', 166}, /* */ {'p', 'a', 167}, /* */ {'"', '"', 168}, /* */ {'c', 'O', 169}, /* */ {'a', '-', 170}, /* */ {'<', '<', 171}, /* */ {'-', ',', 172}, /* */ {'-', '-', 173}, /* */ {'r', 'O', 174}, /* */ {'-', '=', 175}, /* */ {'~', 'o', 176}, /* */ {'+', '-', 177}, /* */ {'2', '2', 178}, /* */ {'3', '3', 179}, /* */ {'\'', '\'', 180}, /* */ {'j', 'u', 181}, /* */ {'p', 'p', 182}, /* */ {'~', '.', 183}, /* */ {',', ',', 184}, /* */ {'1', '1', 185}, /* */ {'o', '-', 186}, /* */ {'>', '>', 187}, /* */ {'1', '4', 188}, /* */ {'1', '2', 189}, /* */ {'3', '4', 190}, /* */ {'~', '?', 191}, /* */ {'A', '`', 192}, /* */ {'A', '\'', 193}, /* */ {'A', '^', 194}, /* */ {'A', '~', 195}, /* */ {'A', '"', 196}, /* */ {'A', '@', 197}, /* */ {'A', 'E', 198}, /* */ {'C', ',', 199}, /* */ {'E', '`', 200}, /* */ {'E', '\'', 201}, /* */ {'E', '^', 202}, /* */ {'E', '"', 203}, /* */ {'I', '`', 204}, /* */ {'I', '\'', 205}, /* */ {'I', '^', 206}, /* */ {'I', '"', 207}, /* */ {'D', '-', 208}, /* */ {'N', '~', 209}, /* */ {'O', '`', 210}, /* */ {'O', '\'', 211}, /* */ {'O', '^', 212}, /* */ {'O', '~', 213}, /* */ {'O', '"', 214}, /* */ {'/', '\\', 215}, /* */ {'O', '/', 216}, /* */ {'U', '`', 217}, /* */ {'U', '\'', 218}, /* */ {'U', '^', 219}, /* */ {'U', '"', 220}, /* */ {'Y', '\'', 221}, /* */ {'I', 'p', 222}, /* */ {'s', 's', 223}, /* */ {'a', '`', 224}, /* */ {'a', '\'', 225}, /* */ {'a', '^', 226}, /* */ {'a', '~', 227}, /* */ {'a', '"', 228}, /* */ {'a', '@', 229}, /* */ {'a', 'e', 230}, /* */ {'c', ',', 231}, /* */ {'e', '`', 232}, /* */ {'e', '\'', 233}, /* */ {'e', '^', 234}, /* */ {'e', '"', 235}, /* */ {'i', '`', 236}, /* */ {'i', '\'', 237}, /* */ {'i', '^', 238}, /* */ {'i', '"', 239}, /* */ {'d', '-', 240}, /* */ {'n', '~', 241}, /* */ {'o', '`', 242}, /* */ {'o', '\'', 243}, /* */ {'o', '^', 244}, /* */ {'o', '~', 245}, /* */ {'o', '"', 246}, /* */ {':', '-', 247}, /* */ {'o', '/', 248}, /* */ {'u', '`', 249}, /* */ {'u', '\'', 250}, /* */ {'u', '^', 251}, /* */ {'u', '"', 252}, /* */ {'y', '\'', 253}, /* */ {'i', 'p', 254}, /* */ {'y', '"', 255}, /* x XX */ {NUL, NUL, NUL} }; # endif /* !HPUX_DIGRAPHS */ # endif /* !__MINT__ */ #endif /* !MSDOS && !WIN32 */ /* * handle digraphs after typing a character */ int do_digraph(c) int c; { static int backspaced; /* character before K_BS */ static int lastchar; /* last typed character */ if (c == -1) /* init values */ { backspaced = -1; } else if (p_dg) { if (backspaced >= 0) c = getdigraph(backspaced, c, FALSE); backspaced = -1; if ((c == K_BS || c == Ctrl('H')) && lastchar >= 0) backspaced = lastchar; } lastchar = c; return c; } /* * Lookup the pair char1, char2 in the digraph tables. * If no match, return char2. */ static int getexactdigraph(char1, char2, meta) int char1; int char2; int meta; { int i; int retval; if (IS_SPECIAL(char1) || IS_SPECIAL(char2)) return char2; retval = 0; for (i = 0; ; ++i) /* search added digraphs first */ { if (i == digraphcount) /* end of added table, search defaults */ { for (i = 0; digraphdefault[i][0] != 0; ++i) if (digraphdefault[i][0] == char1 && digraphdefault[i][1] == char2) { retval = digraphdefault[i][2]; break; } break; } if (digraphnew[i][0] == char1 && digraphnew[i][1] == char2) { retval = digraphnew[i][2]; break; } } if (retval == 0) /* digraph deleted or not found */ { if (char1 == ' ' && meta) /* --> meta-char */ return (char2 | 0x80); return char2; } return retval; } /* * Get digraph. * Allow for both char1-char2 and char2-char1 */ int getdigraph(char1, char2, meta) int char1; int char2; int meta; { int retval; if (((retval = getexactdigraph(char1, char2, meta)) == char2) && (char1 != char2) && ((retval = getexactdigraph(char2, char1, meta)) == char1)) return char2; return retval; } /* * put the digraphs in the argument string in the digraph table * format: {c1}{c2} char {c1}{c2} char ... */ void putdigraph(str) char_u *str; { int char1, char2, n; char_u (*newtab)[3]; int i; while (*str) { str = skipwhite(str); if ((char1 = *str++) == 0 || (char2 = *str++) == 0) return; if (char1 == ESC || char2 == ESC) { EMSG("Escape not allowed in digraph"); return; } str = skipwhite(str); if (!isdigit(*str)) { emsg(e_number); return; } n = getdigits(&str); if (digraphnew) /* search the table for existing entry */ { for (i = 0; i < digraphcount; ++i) if (digraphnew[i][0] == char1 && digraphnew[i][1] == char2) { digraphnew[i][2] = n; break; } if (i < digraphcount) continue; } newtab = (char_u (*)[3])alloc(digraphcount * 3 + 3); if (newtab) { vim_memmove(newtab, digraphnew, (size_t)(digraphcount * 3)); vim_free(digraphnew); digraphnew = newtab; digraphnew[digraphcount][0] = char1; digraphnew[digraphcount][1] = char2; digraphnew[digraphcount][2] = n; ++digraphcount; } } } void listdigraphs() { int i; msg_putchar('\n'); printdigraph(NULL); for (i = 0; digraphdefault[i][0] && !got_int; ++i) { if (getexactdigraph(digraphdefault[i][0], digraphdefault[i][1], FALSE) == digraphdefault[i][2]) printdigraph(digraphdefault[i]); ui_breakcheck(); } for (i = 0; i < digraphcount && !got_int; ++i) { printdigraph(digraphnew[i]); ui_breakcheck(); } must_redraw = CLEAR; /* clear screen, because some digraphs may be wrong, in which case we messed up NextScreen */ } static void printdigraph(p) char_u *p; { char_u buf[9]; static int len; if (p == NULL) len = 0; else if (p[2] != 0) { if (len > Columns - 11) { msg_putchar('\n'); len = 0; } if (len) MSG_PUTS(" "); sprintf((char *)buf, "%c%c %c %3d", p[0], p[1], p[2], p[2]); msg_puts(buf); len += 11; } } #endif /* DIGRAPHS */