86 lines
3.7 KiB
C
86 lines
3.7 KiB
C
// SPDX-FileCopyrightText: 2023 Rot127 <unisono@quyllur.org>
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// SPDX-License-Identifier: LGPL-3.0-only
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#ifndef RZ_REGEX_H
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#define RZ_REGEX_H
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#include <rz_util/rz_strbuf.h>
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#include <rz_vector.h>
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#include <rz_types.h>
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#include <rz_list.h>
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#include <sys/types.h>
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#define RZ_REGEX_SIZE size_t
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// Some basic PCRE2 macros. There are way more defined
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// and should be added here if needed.
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#define RZ_REGEX_ERROR_NOMATCH (-1) /* PCRE2_ERROR_NOMATCH */
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#define RZ_REGEX_ERROR_PARTIAL (-2) /* PCRE2_ERROR_PARTIAL */
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#define RZ_REGEX_DEFAULT 0
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#define RZ_REGEX_CASELESS 0x00000008u /* PCRE2_CASELESS */
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#define RZ_REGEX_EXTENDED 0x00000080u /* PCRE2_EXTENDED */
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#define RZ_REGEX_EXTENDED_MORE 0x01000000u /* PCRE2_EXTENDED_MORE */
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#define RZ_REGEX_MULTILINE 0x00000400u /* PCRE2_MULTILINE */
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#define RZ_REGEX_JIT_PARTIAL_SOFT 0x00000002u /* PCRE2_JIT_PARTIAL_SOFT */
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#define RZ_REGEX_JIT_PARTIAL_HARD 0x00000004u /* PCRE2_JIT_PARTIAL_HARD */
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#define RZ_REGEX_PARTIAL_SOFT 0x00000010u /* PCRE2_PARTIAL_SOFT */
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#define RZ_REGEX_PARTIAL_HARD 0x00000020u /* PCRE2_PARTIAL_HARD */
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#define RZ_REGEX_UNSET (~(RZ_REGEX_SIZE)0) /* PCRE2_UNSET */
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#define RZ_REGEX_ZERO_TERMINATED (~(RZ_REGEX_SIZE)0) /* PCRE2_ZERO_TERMINATED */
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typedef int RzRegexStatus; ///< An status number returned by the regex API.
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typedef size_t RzRegexSize; ///< Size of a text or regex. This is the size measured in code width. For UTF-8: bytes.
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typedef ut32 RzRegexFlags; ///< Regex flag bits.
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typedef uint8_t *RzRegexPattern; ///< A regex pattern string.
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typedef void RzRegex; ///< A regex expression.
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typedef struct {
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RzRegexSize group_idx; ///< Index of the group. Used to determine name if any was given.
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RzRegexSize start; ///< Start offset into the text where the match starts.
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RzRegexSize len; ///< Length of match in bytes.
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} RzRegexMatch;
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typedef void RzRegexMatchData; ///< PCRE2 internal match data type
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RZ_API RZ_OWN RzRegex *rz_regex_new(RZ_NONNULL const char *pattern, RzRegexFlags cflags, RzRegexFlags jflags);
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RZ_API void rz_regex_free(RZ_OWN RzRegex *regex);
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RZ_API void rz_regex_error_msg(RzRegexStatus errcode, RZ_OUT char *errbuf, RzRegexSize errbuf_size);
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RZ_API const ut8 *rz_regex_get_match_name(RZ_NONNULL const RzRegex *regex, ut32 name_idx);
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RZ_API st32 rz_regex_get_group_idx_by_name(RZ_NONNULL const RzRegex *regex, const char *group);
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RZ_API RzRegexStatus rz_regex_match(RZ_NONNULL const RzRegex *regex, RZ_NONNULL const char *text,
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RzRegexSize text_size,
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RzRegexSize text_offset,
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RzRegexFlags mflags);
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RZ_API RZ_OWN RzPVector /*<RzRegexMatch *>*/ *rz_regex_match_all_not_grouped(
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RZ_NONNULL const RzRegex *regex,
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RZ_NONNULL const char *text,
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RzRegexSize text_size,
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RzRegexSize text_offset,
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RzRegexFlags mflags);
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RZ_API RZ_OWN RzPVector /*<RzRegexMatch *>*/ *rz_regex_match_first(
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RZ_NONNULL const RzRegex *regex,
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RZ_NONNULL const char *text,
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RzRegexSize text_size,
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RzRegexSize text_offset,
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RzRegexFlags mflags);
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RZ_API RZ_OWN RzPVector /*<RzVector<RzRegexMatch *> *>*/ *rz_regex_match_all(
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RZ_NONNULL const RzRegex *regex,
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RZ_NONNULL const char *text,
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RzRegexSize text_size,
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RzRegexSize text_offset,
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RzRegexFlags mflags);
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RZ_API bool rz_regex_contains(RZ_NONNULL const char *pattern, RZ_NONNULL const char *text,
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RzRegexSize text_size,
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RzRegexFlags cflags, RzRegexFlags mflags);
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RZ_API RzRegexSize rz_regex_find(RZ_NONNULL const char *pattern, RZ_NONNULL RZ_BORROW char *text,
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RzRegexSize text_size, RzRegexSize text_offset,
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RzRegexFlags cflags, RzRegexFlags mflags);
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RZ_API RZ_OWN RzStrBuf *rz_regex_full_match_str(RZ_NONNULL const char *pattern, RZ_NONNULL const char *text,
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RzRegexSize text_size,
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RzRegexFlags cflags, RzRegexFlags mflags, RZ_NONNULL const char *separator);
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#endif /* RZ_REGEX_H */
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