X-Git-Url: http://git.madism.org/?p=apps%2Fmadmutt.git;a=blobdiff_plain;f=lib-lib%2Frx.c;h=0edce593907000c360bea7f048adc1350d3fea7f;hp=d0a394238a59bfa9ff78e67fdf3674b68c0f706a;hb=4dbc0e4a9d573611d4f521400a2e16f47c176639;hpb=5a4df9d0e93209aeade80f632158036799f3e9bc diff --git a/lib-lib/rx.c b/lib-lib/rx.c index d0a3942..0edce59 100644 --- a/lib-lib/rx.c +++ b/lib-lib/rx.c @@ -38,21 +38,42 @@ rx_t *rx_compile(const char *s, int flags) return pp; } +void rx_set_template(rx_t *rx, const char *tpl) +{ + const char *p = tpl; + + m_strreplace(&rx->template, tpl); + rx->nmatch = 0; + + while ((p = strchr(p, '%'))) { + if (isdigit(*++p)) { + int n = strtol(p, (char **)&p, 10); + rx->nmatch = MAX(n, rx->nmatch); + } else { + if (*p == '%') + p++; + } + } + + rx->nmatch++; /* match 0 is always the whole expr */ +} + void rx_delete(rx_t **p) { p_delete(&(*p)->pattern); regfree((*p)->rx); p_delete(&(*p)->rx); + p_delete(&(*p)->template); p_delete(p); } -int rx_list_match(rx_t *l, const char *pat) +int rx_list_match(rx_t *l, const char *s) { - if (!pat || !*pat) + if (m_strisempty(s)) return 0; while (l) { - if (!REGEXEC(l->rx, pat)) + if (!REGEXEC(l->rx, s)) return 1; l = l->next; } @@ -60,13 +81,55 @@ int rx_list_match(rx_t *l, const char *pat) return 0; } +int rx_list_match2(rx_t *l, const char *s, char *dst, int dlen) +{ + static regmatch_t *pmatch = NULL; + static int nmatch = 0; + int pos = 0; + + if (m_strisempty(s)) + return 0; + + for (; l; l = l->next) { + if (l->nmatch > nmatch) { + p_realloc(&pmatch, l->nmatch); + nmatch = l->nmatch; + } + + if (regexec(l->rx, s, l->nmatch, pmatch, 0) == 0) { + /* Copy template into dst, with substitutions. */ + const char *p = l->template, *q; + + for (q = strchr(p, '%'); q; q = strchr(p + 1, '%')) { + int n; + + pos += m_strncpy(dst + pos, dlen - pos, p, q - p); + + if (!isdigit((unsigned char)q[1])) { + p = q + (q[1] == '%'); + continue; + } + + n = strtol(q + 1, (char **)&p, 10); /* find pmatch index */ + pos += m_strncpy(dst + pos, dlen - pos, s + pmatch[n].rm_so, + pmatch[n].rm_eo - pmatch[n].rm_so); + } + + pos += m_strcpy(dst + pos, dlen - pos, p); + return 1; + } + } + + return 0; +} + rx_t **rx_lookup(rx_t **l, const char *pat) { - if (!pat || !*pat) + if (m_strisempty(pat)) return NULL; while (*l) { - if (!strcmp((*l)->pattern, pat)) + if (!m_strcmp((*l)->pattern, pat)) return l; l = &(*l)->next; }