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-rw-r--r--modules/regex/SCsub18
-rw-r--r--modules/regex/doc_classes/RegEx.xml13
-rw-r--r--modules/regex/regex.cpp233
-rw-r--r--modules/regex/regex.h17
-rw-r--r--modules/regex/register_types.cpp6
-rw-r--r--modules/regex/register_types.h4
-rw-r--r--modules/regex/tests/test_regex.h164
7 files changed, 267 insertions, 188 deletions
diff --git a/modules/regex/SCsub b/modules/regex/SCsub
index 2afacc1d9c..deb9db7591 100644
--- a/modules/regex/SCsub
+++ b/modules/regex/SCsub
@@ -5,6 +5,10 @@ Import("env_modules")
env_regex = env_modules.Clone()
+# Thirdparty source files
+
+thirdparty_obj = []
+
if env["builtin_pcre2"]:
thirdparty_dir = "#thirdparty/pcre2/src/"
thirdparty_flags = ["PCRE2_STATIC", "HAVE_CONFIG_H", "SUPPORT_UNICODE"]
@@ -52,11 +56,21 @@ if env["builtin_pcre2"]:
env_pcre2 = env_regex.Clone()
env_pcre2.disable_warnings()
env_pcre2["OBJSUFFIX"] = "_" + width + env_pcre2["OBJSUFFIX"]
- env_pcre2.add_source_files(env.modules_sources, thirdparty_sources)
env_pcre2.Append(CPPDEFINES=[("PCRE2_CODE_UNIT_WIDTH", width)])
+ env_pcre2.add_source_files(thirdparty_obj, thirdparty_sources)
+ env.modules_sources += thirdparty_obj
pcre2_builtin("16")
pcre2_builtin("32")
+
+# Godot source files
+
+module_obj = []
+
env_regex.Append(CPPDEFINES=[("PCRE2_CODE_UNIT_WIDTH", 0)])
-env_regex.add_source_files(env.modules_sources, "*.cpp")
+env_regex.add_source_files(module_obj, "*.cpp")
+env.modules_sources += module_obj
+
+# Needed to force rebuilding the module files when the thirdparty library is updated.
+env.Depends(module_obj, thirdparty_obj)
diff --git a/modules/regex/doc_classes/RegEx.xml b/modules/regex/doc_classes/RegEx.xml
index c00fa96b2e..b21f5d1e7a 100644
--- a/modules/regex/doc_classes/RegEx.xml
+++ b/modules/regex/doc_classes/RegEx.xml
@@ -11,7 +11,7 @@
regex.compile("\\w-(\\d+)")
[/codeblock]
The search pattern must be escaped first for GDScript before it is escaped for the expression. For example, [code]compile("\\d+")[/code] would be read by RegEx as [code]\d+[/code]. Similarly, [code]compile("\"(?:\\\\.|[^\"])*\"")[/code] would be read as [code]"(?:\\.|[^"])*"[/code].
- Using [method search] you can find the pattern within the given text. If a pattern is found, [RegExMatch] is returned and you can retrieve details of the results using functions such as [method RegExMatch.get_string] and [method RegExMatch.get_start].
+ Using [method search], you can find the pattern within the given text. If a pattern is found, [RegExMatch] is returned and you can retrieve details of the results using methods such as [method RegExMatch.get_string] and [method RegExMatch.get_start].
[codeblock]
var regex = RegEx.new()
regex.compile("\\w-(\\d+)")
@@ -19,7 +19,7 @@
if result:
print(result.get_string()) # Would print n-0123
[/codeblock]
- The results of capturing groups [code]()[/code] can be retrieved by passing the group number to the various functions in [RegExMatch]. Group 0 is the default and will always refer to the entire pattern. In the above example, calling [code]result.get_string(1)[/code] would give you [code]0123[/code].
+ The results of capturing groups [code]()[/code] can be retrieved by passing the group number to the various methods in [RegExMatch]. Group 0 is the default and will always refer to the entire pattern. In the above example, calling [code]result.get_string(1)[/code] would give you [code]0123[/code].
This version of RegEx also supports named capturing groups, and the names can be used to retrieve the results. If two or more groups have the same name, the name would only refer to the first one with a match.
[codeblock]
var regex = RegEx.new()
@@ -34,6 +34,15 @@
print(result.get_string("digit"))
# Would print 01 03 0 3f 42
[/codeblock]
+ [b]Example of splitting a string using a RegEx:[/b]
+ [codeblock]
+ var regex = RegEx.new()
+ regex.compile("\\S+") # Negated whitespace character class.
+ var results = []
+ for result in regex.search_all("One Two \n\tThree"):
+ results.push_back(result.get_string())
+ # The `results` array now contains "One", "Two", "Three".
+ [/codeblock]
[b]Note:[/b] Godot's regex implementation is based on the [url=https://www.pcre.org/]PCRE2[/url] library. You can view the full pattern reference [url=https://www.pcre.org/current/doc/html/pcre2pattern.html]here[/url].
[b]Tip:[/b] You can use [url=https://regexr.com/]Regexr[/url] to test regular expressions online.
</description>
diff --git a/modules/regex/regex.cpp b/modules/regex/regex.cpp
index 50ca01067b..fe8136ef35 100644
--- a/modules/regex/regex.cpp
+++ b/modules/regex/regex.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -156,26 +156,13 @@ 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);
- }
+ 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;
- }
+ if (code) {
+ pcre2_code_free_32((pcre2_code_32 *)code);
+ code = nullptr;
}
}
@@ -187,39 +174,20 @@ Error RegEx::compile(const String &p_pattern) {
PCRE2_SIZE offset;
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();
-
- code = pcre2_compile_16(p, pattern.length(), flags, &err, &offset, cctx);
+ 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.get_data();
- pcre2_compile_context_free_16(cctx);
+ code = pcre2_compile_32(p, pattern.length(), flags, &err, &offset, cctx);
- if (!code) {
- PCRE2_UCHAR16 buf[256];
- pcre2_get_error_message_16(err, buf, 256);
- String message = String::num(offset) + ": " + String((const CharType *)buf);
- ERR_PRINT(message.utf8());
- return FAILED;
- }
+ pcre2_compile_context_free_32(cctx);
- } 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();
-
- code = pcre2_compile_32(p, pattern.length(), flags, &err, &offset, cctx);
-
- pcre2_compile_context_free_32(cctx);
-
- if (!code) {
- PCRE2_UCHAR32 buf[256];
- pcre2_get_error_message_32(err, buf, 256);
- String message = String::num(offset) + ": " + String((const CharType *)buf);
- ERR_PRINT(message.utf8());
- return FAILED;
- }
+ if (!code) {
+ PCRE2_UCHAR32 buf[256];
+ pcre2_get_error_message_32(err, buf, 256);
+ String message = String::num(offset) + ": " + String((const char32_t *)buf);
+ ERR_PRINT(message.utf8());
+ return FAILED;
}
return OK;
}
@@ -234,69 +202,39 @@ Ref<RegExMatch> RegEx::search(const String &p_subject, int p_offset, int p_end)
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);
- PCRE2_SPTR16 s = (PCRE2_SPTR16)p_subject.c_str();
-
- pcre2_match_data_16 *match = pcre2_match_data_create_from_pattern_16(c, gctx);
-
- int res = pcre2_match_16(c, s, length, p_offset, 0, match, mctx);
+ 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);
+ PCRE2_SPTR32 s = (PCRE2_SPTR32)p_subject.get_data();
- if (res < 0) {
- pcre2_match_data_free_16(match);
- return nullptr;
- }
-
- uint32_t size = pcre2_get_ovector_count_16(match);
- PCRE2_SIZE *ovector = pcre2_get_ovector_pointer_16(match);
-
- 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];
- }
-
- pcre2_match_data_free_16(match);
- 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);
- PCRE2_SPTR32 s = (PCRE2_SPTR32)p_subject.c_str();
+ pcre2_match_data_32 *match = pcre2_match_data_create_from_pattern_32(c, gctx);
- pcre2_match_data_32 *match = pcre2_match_data_create_from_pattern_32(c, gctx);
+ int res = pcre2_match_32(c, s, length, p_offset, 0, match, mctx);
- int res = pcre2_match_32(c, s, length, p_offset, 0, match, mctx);
-
- if (res < 0) {
- pcre2_match_data_free_32(match);
- pcre2_match_context_free_32(mctx);
+ if (res < 0) {
+ pcre2_match_data_free_32(match);
+ pcre2_match_context_free_32(mctx);
- return nullptr;
- }
+ return nullptr;
+ }
- uint32_t size = pcre2_get_ovector_count_32(match);
- PCRE2_SIZE *ovector = pcre2_get_ovector_pointer_32(match);
+ uint32_t size = pcre2_get_ovector_count_32(match);
+ PCRE2_SIZE *ovector = pcre2_get_ovector_pointer_32(match);
- result->data.resize(size);
+ 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];
- }
-
- pcre2_match_data_free_32(match);
- pcre2_match_context_free_32(mctx);
+ 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];
}
+ pcre2_match_data_free_32(match);
+ pcre2_match_context_free_32(mctx);
+
result->subject = p_subject;
uint32_t count;
- const CharType *table;
+ const char32_t *table;
uint32_t entry_size;
_pattern_info(PCRE2_INFO_NAMECOUNT, &count);
@@ -304,7 +242,7 @@ 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];
+ char32_t id = table[i * entry_size];
if (result->data[id].start == -1) {
continue;
}
@@ -344,7 +282,7 @@ String RegEx::sub(const String &p_subject, const String &p_replacement, bool p_a
const int safety_zone = 1;
PCRE2_SIZE olength = p_subject.length() + 1; // space for output string and one terminating \0 character
- Vector<CharType> output;
+ Vector<char32_t> output;
output.resize(olength + safety_zone);
uint32_t flags = PCRE2_SUBSTITUTE_OVERFLOW_LENGTH;
@@ -357,55 +295,28 @@ String RegEx::sub(const String &p_subject, const String &p_replacement, bool p_a
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);
- PCRE2_SPTR16 s = (PCRE2_SPTR16)p_subject.c_str();
- PCRE2_SPTR16 r = (PCRE2_SPTR16)p_replacement.c_str();
- PCRE2_UCHAR16 *o = (PCRE2_UCHAR16 *)output.ptrw();
+ 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);
+ PCRE2_SPTR32 s = (PCRE2_SPTR32)p_subject.get_data();
+ PCRE2_SPTR32 r = (PCRE2_SPTR32)p_replacement.get_data();
+ PCRE2_UCHAR32 *o = (PCRE2_UCHAR32 *)output.ptrw();
- pcre2_match_data_16 *match = pcre2_match_data_create_from_pattern_16(c, gctx);
-
- int res = pcre2_substitute_16(c, s, length, p_offset, flags, match, mctx, r, p_replacement.length(), o, &olength);
-
- if (res == PCRE2_ERROR_NOMEMORY) {
- output.resize(olength + safety_zone);
- o = (PCRE2_UCHAR16 *)output.ptrw();
- res = pcre2_substitute_16(c, s, length, p_offset, flags, match, mctx, r, p_replacement.length(), o, &olength);
- }
+ pcre2_match_data_32 *match = pcre2_match_data_create_from_pattern_32(c, gctx);
- pcre2_match_data_free_16(match);
- pcre2_match_context_free_16(mctx);
+ int res = pcre2_substitute_32(c, s, length, p_offset, flags, match, mctx, r, p_replacement.length(), o, &olength);
- 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);
- PCRE2_SPTR32 s = (PCRE2_SPTR32)p_subject.c_str();
- PCRE2_SPTR32 r = (PCRE2_SPTR32)p_replacement.c_str();
- PCRE2_UCHAR32 *o = (PCRE2_UCHAR32 *)output.ptrw();
-
- pcre2_match_data_32 *match = pcre2_match_data_create_from_pattern_32(c, gctx);
-
- int res = pcre2_substitute_32(c, s, length, p_offset, flags, match, mctx, r, p_replacement.length(), o, &olength);
-
- if (res == PCRE2_ERROR_NOMEMORY) {
- output.resize(olength + safety_zone);
- o = (PCRE2_UCHAR32 *)output.ptrw();
- res = pcre2_substitute_32(c, s, length, p_offset, flags, match, mctx, r, p_replacement.length(), o, &olength);
- }
+ if (res == PCRE2_ERROR_NOMEMORY) {
+ output.resize(olength + safety_zone);
+ o = (PCRE2_UCHAR32 *)output.ptrw();
+ res = pcre2_substitute_32(c, s, length, p_offset, flags, match, mctx, r, p_replacement.length(), o, &olength);
+ }
- pcre2_match_data_free_32(match);
- pcre2_match_context_free_32(mctx);
+ pcre2_match_data_free_32(match);
+ pcre2_match_context_free_32(mctx);
- if (res < 0) {
- return String();
- }
+ if (res < 0) {
+ return String();
}
return String(output.ptr(), olength);
@@ -435,7 +346,7 @@ Array RegEx::get_names() const {
ERR_FAIL_COND_V(!is_valid(), result);
uint32_t count;
- const CharType *table;
+ const char32_t *table;
uint32_t entry_size;
_pattern_info(PCRE2_INFO_NAMECOUNT, &count);
@@ -453,39 +364,21 @@ 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);
- }
+ 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);
- }
+ general_ctx = pcre2_general_context_create_32(&_regex_malloc, &_regex_free, nullptr);
code = nullptr;
compile(p_pattern);
}
RegEx::~RegEx() {
- if (sizeof(CharType) == 2) {
- if (code) {
- pcre2_code_free_16((pcre2_code_16 *)code);
- }
- pcre2_general_context_free_16((pcre2_general_context_16 *)general_ctx);
-
- } else {
- if (code) {
- pcre2_code_free_32((pcre2_code_32 *)code);
- }
- pcre2_general_context_free_32((pcre2_general_context_32 *)general_ctx);
+ 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() {
diff --git a/modules/regex/regex.h b/modules/regex/regex.h
index 52b49c783e..46505855d7 100644
--- a/modules/regex/regex.h
+++ b/modules/regex/regex.h
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -31,12 +31,12 @@
#ifndef REGEX_H
#define REGEX_H
-#include "core/array.h"
-#include "core/dictionary.h"
-#include "core/map.h"
-#include "core/reference.h"
-#include "core/ustring.h"
-#include "core/vector.h"
+#include "core/object/reference.h"
+#include "core/string/ustring.h"
+#include "core/templates/map.h"
+#include "core/templates/vector.h"
+#include "core/variant/array.h"
+#include "core/variant/dictionary.h"
class RegExMatch : public Reference {
GDCLASS(RegExMatch, Reference);
@@ -83,7 +83,6 @@ protected:
public:
void clear();
Error compile(const String &p_pattern);
- void _init(const String &p_pattern = "");
Ref<RegExMatch> search(const String &p_subject, int p_offset = 0, int p_end = -1) const;
Array search_all(const String &p_subject, int p_offset = 0, int p_end = -1) const;
diff --git a/modules/regex/register_types.cpp b/modules/regex/register_types.cpp
index 5d4aeba2d7..82f3eaf707 100644
--- a/modules/regex/register_types.cpp
+++ b/modules/regex/register_types.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -29,7 +29,7 @@
/*************************************************************************/
#include "register_types.h"
-#include "core/class_db.h"
+#include "core/object/class_db.h"
#include "regex.h"
void register_regex_types() {
diff --git a/modules/regex/register_types.h b/modules/regex/register_types.h
index cf377cdf5f..fe94cde954 100644
--- a/modules/regex/register_types.h
+++ b/modules/regex/register_types.h
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
diff --git a/modules/regex/tests/test_regex.h b/modules/regex/tests/test_regex.h
new file mode 100644
index 0000000000..c2d303b435
--- /dev/null
+++ b/modules/regex/tests/test_regex.h
@@ -0,0 +1,164 @@
+/*************************************************************************/
+/* test_regex.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#ifndef TEST_REGEX_H
+#define TEST_REGEX_H
+
+#include "core/string/ustring.h"
+#include "modules/regex/regex.h"
+
+#include "tests/test_macros.h"
+
+namespace TestRegEx {
+
+TEST_CASE("[RegEx] Initialization") {
+ const String pattern = "(?<vowel>[aeiou])";
+
+ RegEx re1(pattern);
+ CHECK(re1.is_valid());
+ CHECK(re1.get_pattern() == pattern);
+ CHECK(re1.get_group_count() == 1);
+
+ Array names = re1.get_names();
+ CHECK(names.size() == 1);
+ CHECK(names[0] == "vowel");
+
+ RegEx re2;
+ CHECK(re2.is_valid() == false);
+ CHECK(re2.compile(pattern) == OK);
+ CHECK(re2.is_valid());
+
+ CHECK(re1.get_pattern() == re2.get_pattern());
+ CHECK(re1.get_group_count() == re2.get_group_count());
+
+ names = re2.get_names();
+ CHECK(names.size() == 1);
+ CHECK(names[0] == "vowel");
+}
+
+TEST_CASE("[RegEx] Clearing") {
+ RegEx re("Godot");
+ REQUIRE(re.is_valid());
+ re.clear();
+ CHECK(re.is_valid() == false);
+}
+
+TEST_CASE("[RegEx] Searching") {
+ const String s = "Searching";
+ const String vowels = "[aeiou]{1,2}";
+ const String numerics = "\\d";
+
+ RegEx re(vowels);
+ REQUIRE(re.is_valid());
+
+ Ref<RegExMatch> match = re.search(s);
+ REQUIRE(match != nullptr);
+ CHECK(match->get_string(0) == "ea");
+
+ match = re.search(s, 2, 4);
+ REQUIRE(match != nullptr);
+ CHECK(match->get_string(0) == "a");
+
+ const Array all_results = re.search_all(s);
+ CHECK(all_results.size() == 2);
+ match = all_results[0];
+ REQUIRE(match != nullptr);
+ CHECK(match->get_string(0) == "ea");
+ match = all_results[1];
+ REQUIRE(match != nullptr);
+ CHECK(match->get_string(0) == "i");
+
+ CHECK(re.compile(numerics) == OK);
+ CHECK(re.is_valid());
+ CHECK(re.search(s) == nullptr);
+ CHECK(re.search_all(s).size() == 0);
+}
+
+TEST_CASE("[RegEx] Substitution") {
+ String s = "Double all the vowels.";
+
+ RegEx re("(?<vowel>[aeiou])");
+ REQUIRE(re.is_valid());
+ CHECK(re.sub(s, "$0$vowel", true) == "Doouublee aall thee vooweels.");
+}
+
+TEST_CASE("[RegEx] Uninitialized use") {
+ const String s = "Godot";
+
+ RegEx re;
+ ERR_PRINT_OFF;
+ CHECK(re.search(s) == nullptr);
+ CHECK(re.search_all(s).size() == 0);
+ CHECK(re.sub(s, "") == "");
+ CHECK(re.get_group_count() == 0);
+ CHECK(re.get_names().size() == 0);
+ ERR_PRINT_ON
+}
+
+TEST_CASE("[RegEx] Empty Pattern") {
+ const String s = "Godot";
+
+ RegEx re;
+ CHECK(re.compile("") == OK);
+ CHECK(re.is_valid());
+}
+
+TEST_CASE("[RegEx] Invalid offset") {
+ const String s = "Godot";
+
+ RegEx re("o");
+ REQUIRE(re.is_valid());
+ CHECK(re.search(s, -1) == nullptr);
+ CHECK(re.search_all(s, -1).size() == 0);
+ CHECK(re.sub(s, "", true, -1) == "");
+}
+
+TEST_CASE("[RegEx] Invalid end position") {
+ const String s = "Godot";
+
+ RegEx re("o");
+ REQUIRE(re.is_valid());
+ Ref<RegExMatch> match = re.search(s, 0, 10);
+ CHECK(match->get_string(0) == "o");
+
+ const Array all_results = re.search_all(s, 0, 10);
+ CHECK(all_results.size() == 2);
+ match = all_results[0];
+ REQUIRE(match != nullptr);
+ CHECK(match->get_string(0) == String("o"));
+ match = all_results[1];
+ REQUIRE(match != nullptr);
+ CHECK(match->get_string(0) == String("o"));
+
+ CHECK(re.sub(s, "", true, 0, 10) == "Gdt");
+}
+} // namespace TestRegEx
+
+#endif // TEST_REGEX_H
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