Class StringUTF32 for platform-independed Unicode strings

2026-04-07 13:55:33 +08:00 · 2021-07-15 16:31:53 +03:00
parent 321ca7e0ff
commit 132c979174
3 changed files with 226 additions and 1 deletions
--- a/DesktopEditor/common/StringUTF32.cpp
+++ b/DesktopEditor/common/StringUTF32.cpp
@ -0,0 +1,149 @@
+/*
+ * (c) Copyright Ascensio System SIA 2010-2019
+ *
+ * This program is a free software product. You can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License (AGPL)
+ * version 3 as published by the Free Software Foundation. In accordance with
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
+ * street, Riga, Latvia, EU, LV-1050.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+#include "StringUTF32.hpp"
+
+using namespace std;
+using namespace NSStringExt;
+using namespace NSStringUtils;
+
+StringUTF32::StringUTF32() {}
+
+StringUTF32::StringUTF32(const StringUTF32 &other): _vec(other._vec) {}
+
+StringUTF32::StringUTF32(const wchar_t *other) {
+    *this = other;
+}
+
+StringUTF32::StringUTF32(const wstring &other) {
+    *this = other;
+}
+
+StringUTF32::StringUTF32(const vector<uint32_t> &other): _vec(other) {}
+
+StringUTF32::~StringUTF32() {}
+
+
+size_t StringUTF32::Length() const {
+    return this->_vec.size();
+}
+
+void StringUTF32::Swap(StringUTF32 &other) {
+    StringUTF32 tmp = *this;
+    *this = other;
+    other = tmp;
+}
+
+
+wstring StringUTF32::ToUTF16() const {
+    return CConverter::GetUnicodeFromUTF32(&this->_vec[0], static_cast<long>(this->Length()));
+}
+
+
+bool StringUTF32::Equals(const StringUTF32 &other) const {
+    return this->_vec == other._vec;
+}
+
+uint32_t &StringUTF32::GetCharAt(size_t index) {
+    return this->_vec[index];
+}
+
+StringUTF32 &StringUTF32::Concatenate(const StringUTF32 &other) {
+    this->_vec.reserve(this->Length() + other.Length());
+    for (size_t i = 0; i < other.Length(); ++i)
+        this->_vec.push_back(other._vec[i]);
+    return *this;
+}
+
+
+bool StringUTF32::operator == (const StringUTF32 &right) const {
+    return this->Equals(right);
+}
+
+bool StringUTF32::operator != (const StringUTF32 &right) const {
+    return !this->Equals(right);
+}
+
+uint32_t &StringUTF32::operator [] (size_t index) {
+    return this->GetCharAt(index);
+}
+
+
+StringUTF32 &StringUTF32::operator = (const StringUTF32 &right) {
+    this->_vec = right._vec;
+    return *this;
+}
+
+StringUTF32 &StringUTF32::operator = (const wchar_t *right) {
+    if (!right) {
+        throw runtime_error("Invalid argument! \"right\" must be a valid non-NULL pointer.");
+    }
+
+    wstring tmp = L"";
+    size_t length = 0;
+    while (right[length] != '\0') {
+        tmp += right[length++];
+    }
+
+    return (*this = tmp);
+}
+
+StringUTF32 &StringUTF32::operator = (const wstring &right) {
+    unsigned int utf32_len = 0;
+    uint32_t *utf32 = CConverter::GetUtf32FromUnicode(right, utf32_len);
+    if (!utf32) {
+        throw runtime_error("Operation aborted! Function \"GetUtf32FromUnicode\" returned NULL-pointer.");
+    }
+
+    this->_vec.clear();
+    this->_vec.reserve(utf32_len);
+    for (size_t i = 0; i < utf32_len; ++i) {
+        this->_vec.push_back(utf32[i]);
+    }
+
+    return *this;
+}
+
+StringUTF32 &StringUTF32::operator = (const std::vector<uint32_t> &right) {
+    this->_vec = right;
+    return *this;
+}
+
+
+StringUTF32 StringUTF32::operator + (const StringUTF32 &right) const {
+    StringUTF32 result;
+    result._vec.reserve(this->Length() + right.Length());
+    return result.Concatenate(*this).Concatenate(right);
+}
+
+StringUTF32 &StringUTF32::operator += (const StringUTF32 &right) {
+    return this->Concatenate(right);
+}
--- a/DesktopEditor/common/StringUTF32.hpp
+++ b/DesktopEditor/common/StringUTF32.hpp
@ -0,0 +1,74 @@
+#ifndef STRINGUTF32_HPP
+#define STRINGUTF32_HPP
+/*
+ * (c) Copyright Ascensio System SIA 2010-2019
+ *
+ * This program is a free software product. You can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License (AGPL)
+ * version 3 as published by the Free Software Foundation. In accordance with
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
+ * street, Riga, Latvia, EU, LV-1050.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+
+#include <string>
+#include <vector>
+#include "StringExt.h"
+
+namespace NSStringUtils {
+    class KERNEL_DECL StringUTF32 {
+        std::vector<uint32_t> _vec;
+
+    public:
+        StringUTF32();
+        StringUTF32(const StringUTF32 &other);
+        StringUTF32(const wchar_t *other);
+        StringUTF32(const std::wstring &other);
+        StringUTF32(const std::vector<uint32_t> &other);
+        virtual ~StringUTF32();
+
+        virtual size_t Length() const;
+        virtual void Swap(StringUTF32 &other);
+
+        virtual std::wstring ToUTF16() const;
+
+        virtual bool Equals(const StringUTF32 &other) const;
+        virtual uint32_t &GetCharAt(size_t index);
+        virtual StringUTF32 &Concatenate(const StringUTF32 &other);
+
+        virtual bool        operator  == (const StringUTF32 &right) const;
+        virtual bool        operator  != (const StringUTF32 &right) const;
+        virtual uint32_t    &operator [] (size_t index);
+
+        virtual StringUTF32 &operator  = (const StringUTF32 &right);
+        virtual StringUTF32 &operator  = (const wchar_t *right);
+        virtual StringUTF32 &operator  = (const std::wstring &right);
+        virtual StringUTF32 &operator  = (const std::vector<uint32_t> &right);
+
+        virtual StringUTF32 operator   + (const StringUTF32 &right) const;
+        virtual StringUTF32 &operator += (const StringUTF32 &right);
+    };
+}
+
+#endif // STRINGUTF32_HPP