diff options
Diffstat (limited to 'modules/regex/regex.cpp')
-rw-r--r-- | modules/regex/regex.cpp | 99 |
1 files changed, 34 insertions, 65 deletions
diff --git a/modules/regex/regex.cpp b/modules/regex/regex.cpp index 25cc580591..50ca01067b 100644 --- a/modules/regex/regex.cpp +++ b/modules/regex/regex.cpp @@ -36,48 +36,43 @@ extern "C" { } static void *_regex_malloc(PCRE2_SIZE size, void *user) { - return memalloc(size); } static void _regex_free(void *ptr, void *user) { - memfree(ptr); } int RegExMatch::_find(const Variant &p_name) const { - if (p_name.is_num()) { - int i = (int)p_name; - if (i >= data.size()) + if (i >= data.size()) { return -1; + } return i; } else if (p_name.get_type() == Variant::STRING) { - const Map<String, int>::Element *found = names.find((String)p_name); - if (found) + if (found) { return found->value(); + } } return -1; } String RegExMatch::get_subject() const { - return subject; } int RegExMatch::get_group_count() const { - - if (data.size() == 0) + if (data.size() == 0) { return 0; + } return data.size() - 1; } Dictionary RegExMatch::get_names() const { - Dictionary result; for (const Map<String, int>::Element *i = names.front(); i != nullptr; i = i->next()) { @@ -88,13 +83,11 @@ Dictionary RegExMatch::get_names() const { } Array RegExMatch::get_strings() const { - Array result; int size = data.size(); for (int i = 0; i < size; i++) { - int start = data[i].start; if (start == -1) { @@ -111,16 +104,17 @@ Array RegExMatch::get_strings() const { } String RegExMatch::get_string(const Variant &p_name) const { - int id = _find(p_name); - if (id < 0) + if (id < 0) { return String(); + } int start = data[id].start; - if (start == -1) + if (start == -1) { return String(); + } int length = data[id].end - start; @@ -128,27 +122,26 @@ String RegExMatch::get_string(const Variant &p_name) const { } int RegExMatch::get_start(const Variant &p_name) const { - int id = _find(p_name); - if (id < 0) + if (id < 0) { return -1; + } return data[id].start; } int RegExMatch::get_end(const Variant &p_name) const { - int id = _find(p_name); - if (id < 0) + if (id < 0) { return -1; + } return data[id].end; } void RegExMatch::_bind_methods() { - ClassDB::bind_method(D_METHOD("get_subject"), &RegExMatch::get_subject); ClassDB::bind_method(D_METHOD("get_group_count"), &RegExMatch::get_group_count); ClassDB::bind_method(D_METHOD("get_names"), &RegExMatch::get_names); @@ -163,28 +156,22 @@ void RegExMatch::_bind_methods() { } void RegEx::_pattern_info(uint32_t what, void *where) const { - if (sizeof(CharType) == 2) { - pcre2_pattern_info_16((pcre2_code_16 *)code, what, where); } else { - pcre2_pattern_info_32((pcre2_code_32 *)code, what, where); } } void RegEx::clear() { - if (sizeof(CharType) == 2) { - if (code) { pcre2_code_free_16((pcre2_code_16 *)code); code = nullptr; } } else { - if (code) { pcre2_code_free_32((pcre2_code_32 *)code); code = nullptr; @@ -193,7 +180,6 @@ void RegEx::clear() { } Error RegEx::compile(const String &p_pattern) { - pattern = p_pattern; clear(); @@ -202,7 +188,6 @@ Error RegEx::compile(const String &p_pattern) { uint32_t flags = PCRE2_DUPNAMES; if (sizeof(CharType) == 2) { - pcre2_general_context_16 *gctx = (pcre2_general_context_16 *)general_ctx; pcre2_compile_context_16 *cctx = pcre2_compile_context_create_16(gctx); PCRE2_SPTR16 p = (PCRE2_SPTR16)pattern.c_str(); @@ -220,7 +205,6 @@ Error RegEx::compile(const String &p_pattern) { } } else { - pcre2_general_context_32 *gctx = (pcre2_general_context_32 *)general_ctx; pcre2_compile_context_32 *cctx = pcre2_compile_context_create_32(gctx); PCRE2_SPTR32 p = (PCRE2_SPTR32)pattern.c_str(); @@ -241,17 +225,16 @@ Error RegEx::compile(const String &p_pattern) { } Ref<RegExMatch> RegEx::search(const String &p_subject, int p_offset, int p_end) const { - ERR_FAIL_COND_V(!is_valid(), nullptr); Ref<RegExMatch> result = memnew(RegExMatch); int length = p_subject.length(); - if (p_end >= 0 && p_end < length) + if (p_end >= 0 && p_end < length) { length = p_end; + } if (sizeof(CharType) == 2) { - pcre2_code_16 *c = (pcre2_code_16 *)code; pcre2_general_context_16 *gctx = (pcre2_general_context_16 *)general_ctx; pcre2_match_context_16 *mctx = pcre2_match_context_create_16(gctx); @@ -272,7 +255,6 @@ Ref<RegExMatch> RegEx::search(const String &p_subject, int p_offset, int p_end) result->data.resize(size); for (uint32_t i = 0; i < size; i++) { - result->data.write[i].start = ovector[i * 2]; result->data.write[i].end = ovector[i * 2 + 1]; } @@ -281,7 +263,6 @@ Ref<RegExMatch> RegEx::search(const String &p_subject, int p_offset, int p_end) pcre2_match_context_free_16(mctx); } else { - pcre2_code_32 *c = (pcre2_code_32 *)code; pcre2_general_context_32 *gctx = (pcre2_general_context_32 *)general_ctx; pcre2_match_context_32 *mctx = pcre2_match_context_create_32(gctx); @@ -304,7 +285,6 @@ Ref<RegExMatch> RegEx::search(const String &p_subject, int p_offset, int p_end) result->data.resize(size); for (uint32_t i = 0; i < size; i++) { - result->data.write[i].start = ovector[i * 2]; result->data.write[i].end = ovector[i * 2 + 1]; } @@ -324,13 +304,14 @@ Ref<RegExMatch> RegEx::search(const String &p_subject, int p_offset, int p_end) _pattern_info(PCRE2_INFO_NAMEENTRYSIZE, &entry_size); for (uint32_t i = 0; i < count; i++) { - CharType id = table[i * entry_size]; - if (result->data[id].start == -1) + if (result->data[id].start == -1) { continue; + } String name = &table[i * entry_size + 1]; - if (result->names.has(name)) + if (result->names.has(name)) { continue; + } result->names.insert(name, id); } @@ -339,13 +320,13 @@ Ref<RegExMatch> RegEx::search(const String &p_subject, int p_offset, int p_end) } Array RegEx::search_all(const String &p_subject, int p_offset, int p_end) const { - int last_end = -1; Array result; Ref<RegExMatch> match = search(p_subject, p_offset, p_end); while (match.is_valid()) { - if (last_end == match->get_end(0)) + if (last_end == match->get_end(0)) { break; + } result.push_back(match); last_end = match->get_end(0); match = search(p_subject, match->get_end(0), p_end); @@ -354,7 +335,6 @@ Array RegEx::search_all(const String &p_subject, int p_offset, int p_end) const } String RegEx::sub(const String &p_subject, const String &p_replacement, bool p_all, int p_offset, int p_end) const { - ERR_FAIL_COND_V(!is_valid(), String()); // safety_zone is the number of chars we allocate in addition to the number of chars expected in order to @@ -368,15 +348,16 @@ String RegEx::sub(const String &p_subject, const String &p_replacement, bool p_a output.resize(olength + safety_zone); uint32_t flags = PCRE2_SUBSTITUTE_OVERFLOW_LENGTH; - if (p_all) + if (p_all) { flags |= PCRE2_SUBSTITUTE_GLOBAL; + } PCRE2_SIZE length = p_subject.length(); - if (p_end >= 0 && (uint32_t)p_end < length) + if (p_end >= 0 && (uint32_t)p_end < length) { length = p_end; + } if (sizeof(CharType) == 2) { - pcre2_code_16 *c = (pcre2_code_16 *)code; pcre2_general_context_16 *gctx = (pcre2_general_context_16 *)general_ctx; pcre2_match_context_16 *mctx = pcre2_match_context_create_16(gctx); @@ -397,11 +378,11 @@ String RegEx::sub(const String &p_subject, const String &p_replacement, bool p_a pcre2_match_data_free_16(match); pcre2_match_context_free_16(mctx); - if (res < 0) + if (res < 0) { return String(); + } } else { - pcre2_code_32 *c = (pcre2_code_32 *)code; pcre2_general_context_32 *gctx = (pcre2_general_context_32 *)general_ctx; pcre2_match_context_32 *mctx = pcre2_match_context_create_32(gctx); @@ -422,25 +403,23 @@ String RegEx::sub(const String &p_subject, const String &p_replacement, bool p_a pcre2_match_data_free_32(match); pcre2_match_context_free_32(mctx); - if (res < 0) + if (res < 0) { return String(); + } } return String(output.ptr(), olength); } bool RegEx::is_valid() const { - return (code != nullptr); } String RegEx::get_pattern() const { - return pattern; } int RegEx::get_group_count() const { - ERR_FAIL_COND_V(!is_valid(), 0); uint32_t count; @@ -451,7 +430,6 @@ int RegEx::get_group_count() const { } Array RegEx::get_names() const { - Array result; ERR_FAIL_COND_V(!is_valid(), result); @@ -465,7 +443,6 @@ Array RegEx::get_names() const { _pattern_info(PCRE2_INFO_NAMEENTRYSIZE, &entry_size); for (uint32_t i = 0; i < count; i++) { - String name = &table[i * entry_size + 1]; if (result.find(name) < 0) { result.append(name); @@ -476,26 +453,20 @@ Array RegEx::get_names() const { } RegEx::RegEx() { - if (sizeof(CharType) == 2) { - general_ctx = pcre2_general_context_create_16(&_regex_malloc, &_regex_free, nullptr); } else { - general_ctx = pcre2_general_context_create_32(&_regex_malloc, &_regex_free, nullptr); } code = nullptr; } RegEx::RegEx(const String &p_pattern) { - if (sizeof(CharType) == 2) { - general_ctx = pcre2_general_context_create_16(&_regex_malloc, &_regex_free, nullptr); } else { - general_ctx = pcre2_general_context_create_32(&_regex_malloc, &_regex_free, nullptr); } code = nullptr; @@ -503,23 +474,21 @@ RegEx::RegEx(const String &p_pattern) { } RegEx::~RegEx() { - if (sizeof(CharType) == 2) { - - if (code) + if (code) { pcre2_code_free_16((pcre2_code_16 *)code); + } pcre2_general_context_free_16((pcre2_general_context_16 *)general_ctx); } else { - - if (code) + if (code) { pcre2_code_free_32((pcre2_code_32 *)code); + } pcre2_general_context_free_32((pcre2_general_context_32 *)general_ctx); } } void RegEx::_bind_methods() { - ClassDB::bind_method(D_METHOD("clear"), &RegEx::clear); ClassDB::bind_method(D_METHOD("compile", "pattern"), &RegEx::compile); ClassDB::bind_method(D_METHOD("search", "subject", "offset", "end"), &RegEx::search, DEFVAL(0), DEFVAL(-1)); |