diff options
Diffstat (limited to 'Src/pattern.c')
| -rw-r--r-- | Src/pattern.c | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/Src/pattern.c b/Src/pattern.c index b4ba33e49..3b55ccf1c 100644 --- a/Src/pattern.c +++ b/Src/pattern.c @@ -145,7 +145,7 @@ typedef union upat *Upat; * * P_ANY, P_ANYOF: the operand is a null terminated * string. Normal characters match as expected. Characters - * in the range Meta+PP_ALPHA..Meta+PP_UNKNWN do the appropriate + * in the range Meta+PP_ALPHA..Meta+PP_UNKWN do the appropriate * Posix range tests. This relies on imeta returning true for these * characters. We treat unknown POSIX ranges as never matching. * PP_RANGE means the next two (possibly metafied) characters form @@ -1119,7 +1119,7 @@ patgetglobflags(char **strp, long *assertp, int *ignore) static const char *colon_stuffs[] = { "alpha", "alnum", "ascii", "blank", "cntrl", "digit", "graph", "lower", "print", "punct", "space", "upper", "xdigit", "IDENT", - "IFS", "IFSSPACE", "WORD", NULL + "IFS", "IFSSPACE", "WORD", "INCOMPLETE", "INVALID", NULL }; /* @@ -1870,9 +1870,9 @@ static int globdots; /* Glob initial dots? */ #ifdef MULTIBYTE_SUPPORT /* Get a character from the start point in a string */ -#define CHARREF(x, y) charref((x), (y)) +#define CHARREF(x, y) charref((x), (y), (int *)NULL) static wchar_t -charref(char *x, char *y) +charref(char *x, char *y, int *zmb_ind) { wchar_t wc; size_t ret; @@ -1886,9 +1886,13 @@ charref(char *x, char *y) /* Error. */ /* Reset the shift state for next time. */ memset(&shiftstate, 0, sizeof(shiftstate)); + if (zmb_ind) + *zmb_ind = (ret == MB_INVALID) ? ZMB_INVALID : ZMB_INCOMPLETE; return WCHAR_INVALID(*x); } + if (zmb_ind) + *zmb_ind = ZMB_VALID; return wc; } @@ -2580,10 +2584,11 @@ patmatch(Upat prog) fail = 1; else { #ifdef MULTIBYTE_SUPPORT - wchar_t cr = CHARREF(patinput, patinend); + int zmb_ind; + wchar_t cr = charref(patinput, patinend, &zmb_ind); char *scanop = (char *)P_OPERAND(scan); if (patglobflags & GF_MULTIBYTE) { - if (mb_patmatchrange(scanop, cr, NULL, NULL) ^ + if (mb_patmatchrange(scanop, cr, zmb_ind, NULL, NULL) ^ (P_OP(scan) == P_ANYOF)) fail = 1; else @@ -3351,6 +3356,9 @@ patmatch(Upat prog) * The null-terminated specification is in range; the test * character is in ch. * + * zmb is one of the enum defined above charref(), for indicating + * incomplete or invalid multibyte characters. + * * indptr is used by completion matching, which is why this * function is exported. If indptr is not NULL we set *indptr * to the index of the character in the range string, adjusted @@ -3367,7 +3375,7 @@ patmatch(Upat prog) /**/ mod_export int -mb_patmatchrange(char *range, wchar_t ch, wint_t *indptr, int *mtp) +mb_patmatchrange(char *range, wchar_t ch, int zmb_ind, wint_t *indptr, int *mtp) { wchar_t r1, r2; @@ -3476,6 +3484,14 @@ mb_patmatchrange(char *range, wchar_t ch, wint_t *indptr, int *mtp) *indptr += r2 - r1; } break; + case PP_INCOMPLETE: + if (zmb_ind == ZMB_INCOMPLETE) + return 1; + break; + case PP_INVALID: + if (zmb_ind == ZMB_INVALID) + return 1; + break; case PP_UNKWN: DPUTS(1, "BUG: unknown posix range passed through.\n"); break; @@ -3545,6 +3561,8 @@ mb_patmatchindex(char *range, wint_t ind, wint_t *chr, int *mtp) case PP_IFS: case PP_IFSSPACE: case PP_WORD: + case PP_INCOMPLETE: + case PP_INVALID: if (!ind) { *mtp = swtype; return 1; @@ -3698,6 +3716,10 @@ patmatchrange(char *range, int ch, int *indptr, int *mtp) if (indptr && r1 < r2) *indptr += r2 - r1; break; + case PP_INCOMPLETE: + case PP_INVALID: + /* Never true if not in multibyte mode */ + break; case PP_UNKWN: DPUTS(1, "BUG: unknown posix range passed through.\n"); break; @@ -3768,6 +3790,8 @@ patmatchindex(char *range, int ind, int *chr, int *mtp) case PP_IFS: case PP_IFSSPACE: case PP_WORD: + case PP_INCOMPLETE: + case PP_INVALID: if (!ind) { *mtp = swtype; return 1; @@ -3851,9 +3875,10 @@ static int patrepeat(Upat p, char *charstart) case P_ANYBUT: while (scan < patinend) { #ifdef MULTIBYTE_SUPPORT - wchar_t cr = CHARREF(scan, patinend); + int zmb_ind; + wchar_t cr = charref(scan, patinend, &zmb_ind); if (patglobflags & GF_MULTIBYTE) { - if (mb_patmatchrange(opnd, cr, NULL, NULL) ^ + if (mb_patmatchrange(opnd, cr, zmb_ind, NULL, NULL) ^ (P_OP(p) == P_ANYOF)) break; } else if (patmatchrange(opnd, (int)cr, NULL, NULL) ^ |