diff options
Diffstat (limited to 'src/regexp.c')
| -rw-r--r-- | src/regexp.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/src/regexp.c b/src/regexp.c deleted file mode 100644 index c1b9ef4cd..000000000 --- a/src/regexp.c +++ /dev/null @@ -1,221 +0,0 @@ -/* - * Copyright (C) the libgit2 contributors. All rights reserved. - * - * This file is part of libgit2, distributed under the GNU GPL v2 with - * a Linking Exception. For full terms see the included COPYING file. - */ - -#include "regexp.h" - -#if defined(GIT_REGEX_BUILTIN) || defined(GIT_REGEX_PCRE) - -int git_regexp_compile(git_regexp *r, const char *pattern, int flags) -{ - int erroffset, cflags = 0; - const char *error = NULL; - - if (flags & GIT_REGEXP_ICASE) - cflags |= PCRE_CASELESS; - - if ((*r = pcre_compile(pattern, cflags, &error, &erroffset, NULL)) == NULL) { - git_error_set_str(GIT_ERROR_REGEX, error); - return GIT_EINVALIDSPEC; - } - - return 0; -} - -void git_regexp_dispose(git_regexp *r) -{ - pcre_free(*r); - *r = NULL; -} - -int git_regexp_match(const git_regexp *r, const char *string) -{ - int error; - if ((error = pcre_exec(*r, NULL, string, (int) strlen(string), 0, 0, NULL, 0)) < 0) - return (error == PCRE_ERROR_NOMATCH) ? GIT_ENOTFOUND : GIT_EINVALIDSPEC; - return 0; -} - -int git_regexp_search(const git_regexp *r, const char *string, size_t nmatches, git_regmatch *matches) -{ - int static_ovec[9] = {0}, *ovec; - int error; - size_t i; - - /* The ovec array always needs to be a mutiple of three */ - if (nmatches <= ARRAY_SIZE(static_ovec) / 3) - ovec = static_ovec; - else - ovec = git__calloc(nmatches * 3, sizeof(*ovec)); - GIT_ERROR_CHECK_ALLOC(ovec); - - if ((error = pcre_exec(*r, NULL, string, (int) strlen(string), 0, 0, ovec, (int) nmatches * 3)) < 0) - goto out; - - if (error == 0) - error = (int) nmatches; - - for (i = 0; i < (unsigned int) error; i++) { - matches[i].start = (ovec[i * 2] < 0) ? -1 : ovec[i * 2]; - matches[i].end = (ovec[i * 2 + 1] < 0) ? -1 : ovec[i * 2 + 1]; - } - for (i = (unsigned int) error; i < nmatches; i++) - matches[i].start = matches[i].end = -1; - -out: - if (nmatches > ARRAY_SIZE(static_ovec) / 3) - git__free(ovec); - if (error < 0) - return (error == PCRE_ERROR_NOMATCH) ? GIT_ENOTFOUND : GIT_EINVALIDSPEC; - return 0; -} - -#elif defined(GIT_REGEX_PCRE2) - -int git_regexp_compile(git_regexp *r, const char *pattern, int flags) -{ - unsigned char errmsg[1024]; - PCRE2_SIZE erroff; - int error, cflags = 0; - - if (flags & GIT_REGEXP_ICASE) - cflags |= PCRE2_CASELESS; - - if ((*r = pcre2_compile((const unsigned char *) pattern, PCRE2_ZERO_TERMINATED, - cflags, &error, &erroff, NULL)) == NULL) { - pcre2_get_error_message(error, errmsg, sizeof(errmsg)); - git_error_set_str(GIT_ERROR_REGEX, (char *) errmsg); - return GIT_EINVALIDSPEC; - } - - return 0; -} - -void git_regexp_dispose(git_regexp *r) -{ - pcre2_code_free(*r); - *r = NULL; -} - -int git_regexp_match(const git_regexp *r, const char *string) -{ - pcre2_match_data *data; - int error; - - data = pcre2_match_data_create(1, NULL); - GIT_ERROR_CHECK_ALLOC(data); - - if ((error = pcre2_match(*r, (const unsigned char *) string, strlen(string), - 0, 0, data, NULL)) < 0) - return (error == PCRE2_ERROR_NOMATCH) ? GIT_ENOTFOUND : GIT_EINVALIDSPEC; - - pcre2_match_data_free(data); - return 0; -} - -int git_regexp_search(const git_regexp *r, const char *string, size_t nmatches, git_regmatch *matches) -{ - pcre2_match_data *data = NULL; - PCRE2_SIZE *ovec; - int error; - size_t i; - - if ((data = pcre2_match_data_create(nmatches, NULL)) == NULL) { - git_error_set_oom(); - goto out; - } - - if ((error = pcre2_match(*r, (const unsigned char *) string, strlen(string), - 0, 0, data, NULL)) < 0) - goto out; - - if (error == 0 || (unsigned int) error > nmatches) - error = nmatches; - ovec = pcre2_get_ovector_pointer(data); - - for (i = 0; i < (unsigned int) error; i++) { - matches[i].start = (ovec[i * 2] == PCRE2_UNSET) ? -1 : (ssize_t) ovec[i * 2]; - matches[i].end = (ovec[i * 2 + 1] == PCRE2_UNSET) ? -1 : (ssize_t) ovec[i * 2 + 1]; - } - for (i = (unsigned int) error; i < nmatches; i++) - matches[i].start = matches[i].end = -1; - -out: - pcre2_match_data_free(data); - if (error < 0) - return (error == PCRE2_ERROR_NOMATCH) ? GIT_ENOTFOUND : GIT_EINVALIDSPEC; - return 0; -} - -#elif defined(GIT_REGEX_REGCOMP) || defined(GIT_REGEX_REGCOMP_L) - -#if defined(GIT_REGEX_REGCOMP_L) -# include <xlocale.h> -#endif - -int git_regexp_compile(git_regexp *r, const char *pattern, int flags) -{ - int cflags = REG_EXTENDED, error; - char errmsg[1024]; - - if (flags & GIT_REGEXP_ICASE) - cflags |= REG_ICASE; - -# if defined(GIT_REGEX_REGCOMP) - if ((error = regcomp(r, pattern, cflags)) != 0) -# else - if ((error = regcomp_l(r, pattern, cflags, (locale_t) 0)) != 0) -# endif - { - regerror(error, r, errmsg, sizeof(errmsg)); - git_error_set_str(GIT_ERROR_REGEX, errmsg); - return GIT_EINVALIDSPEC; - } - - return 0; -} - -void git_regexp_dispose(git_regexp *r) -{ - regfree(r); -} - -int git_regexp_match(const git_regexp *r, const char *string) -{ - int error; - if ((error = regexec(r, string, 0, NULL, 0)) != 0) - return (error == REG_NOMATCH) ? GIT_ENOTFOUND : GIT_EINVALIDSPEC; - return 0; -} - -int git_regexp_search(const git_regexp *r, const char *string, size_t nmatches, git_regmatch *matches) -{ - regmatch_t static_m[3], *m; - int error; - size_t i; - - if (nmatches <= ARRAY_SIZE(static_m)) - m = static_m; - else - m = git__calloc(nmatches, sizeof(*m)); - - if ((error = regexec(r, string, nmatches, m, 0)) != 0) - goto out; - - for (i = 0; i < nmatches; i++) { - matches[i].start = (m[i].rm_so < 0) ? -1 : m[i].rm_so; - matches[i].end = (m[i].rm_eo < 0) ? -1 : m[i].rm_eo; - } - -out: - if (nmatches > ARRAY_SIZE(static_m)) - git__free(m); - if (error) - return (error == REG_NOMATCH) ? GIT_ENOTFOUND : GIT_EINVALIDSPEC; - return 0; -} - -#endif |