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Linux WebView implementation (#1985)
* linux webview start * Linux UIWebView phase1 * update setup for linux uiwebview * add depends for arch * removed unnecessary XReparent call * Fixed some XWayland issues * finalizing linux webview implementation * enabled webview tests on linux * updated copyright link * removed some unnecessary comments * some formatting * some more formatting * fixed a test typo * removed some unnecessary codes * removed some unnecessary comments
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,184 @@ | ||
| /**************************************************************************** | ||
| Copyright (c) 2019-present Axmol Engine contributors (see AUTHORS.md). | ||
| https://axmol.dev/ | ||
| 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 __AXMOL__UI__WEBVIEWCOMMON_H_ | ||
| #define __AXMOL__UI__WEBVIEWCOMMON_H_ | ||
|
|
||
| #include "rapidjson/document.h" | ||
| #include "rapidjson/stringbuffer.h" | ||
| #include "rapidjson/writer.h" | ||
| #include "base/Utils.h" | ||
|
|
||
| namespace webview_common | ||
| { | ||
| USING_NS_AX; | ||
| using namespace rapidjson; | ||
|
|
||
| inline std::string htmlFromUri(std::string_view s) | ||
| { | ||
| if (s.substr(0, 15) == "data:text/html,") | ||
| { | ||
| return utils::urlDecode(s.substr(15)); | ||
| } | ||
| return ""; | ||
| } | ||
|
|
||
| inline int jsonUnescape(const char* s, size_t n, char* out) | ||
| { | ||
| int r = 0; | ||
| if (*s++ != '"') | ||
| { | ||
| return -1; | ||
| } | ||
| while (n > 2) | ||
| { | ||
| char c = *s; | ||
| if (c == '\\') | ||
| { | ||
| s++; | ||
| n--; | ||
| switch (*s) | ||
| { | ||
| case 'b': | ||
| c = '\b'; | ||
| break; | ||
| case 'f': | ||
| c = '\f'; | ||
| break; | ||
| case 'n': | ||
| c = '\n'; | ||
| break; | ||
| case 'r': | ||
| c = '\r'; | ||
| break; | ||
| case 't': | ||
| c = '\t'; | ||
| break; | ||
| case '\\': | ||
| c = '\\'; | ||
| break; | ||
| case '/': | ||
| c = '/'; | ||
| break; | ||
| case '\"': | ||
| c = '\"'; | ||
| break; | ||
| default: // TODO: support unicode decoding | ||
| return -1; | ||
| } | ||
| } | ||
| if (out != NULL) | ||
| { | ||
| *out++ = c; | ||
| } | ||
| s++; | ||
| n--; | ||
| r++; | ||
| } | ||
| if (*s != '"') | ||
| { | ||
| return -1; | ||
| } | ||
| if (out != NULL) | ||
| { | ||
| *out = '\0'; | ||
| } | ||
| return r; | ||
| } | ||
|
|
||
| // These are the results that must be returned by this method | ||
| // assert(jsonParse(R"({"foo":"bar"})", "foo", -1) == "bar"); | ||
| // assert(jsonParse(R"({"foo":""})", "foo", -1) == ""); | ||
| // assert(jsonParse(R"(["foo", "bar", "baz"])", "", 0) == "foo"); | ||
| // assert(jsonParse(R"(["foo", "bar", "baz"])", "", 2) == "baz"); | ||
| // The following is a special case, where the exact json string is not returned due | ||
| // to how rapidjson re-creates the nested object, original: "{"bar": 1}", parsed result: "{"bar":1}" | ||
| // assert(jsonParse(R"({"foo": {"bar": 1}})", "foo", -1) == R"({"bar":1})"); | ||
| inline std::string jsonParse(std::string_view s, std::string_view key, const int index) | ||
| { | ||
| const char* value = nullptr; | ||
| size_t value_sz{}; | ||
| StringBuffer sb; | ||
| Writer<StringBuffer> writer(sb); | ||
| Document d; | ||
| d.Parse(s.data()); | ||
| if (key.empty() && index > -1) | ||
| { | ||
| if (d.IsArray()) | ||
| { | ||
| auto&& jsonArray = d.GetArray(); | ||
| if (SizeType(index) < jsonArray.Size()) | ||
| { | ||
| auto&& arrayValue = jsonArray[SizeType(index)]; | ||
| value = arrayValue.GetString(); | ||
| value_sz = arrayValue.GetStringLength(); | ||
| } | ||
| } | ||
| } | ||
| else | ||
| { | ||
| auto&& fieldItr = d.FindMember(key.data()); | ||
| if (fieldItr != d.MemberEnd()) | ||
| { | ||
| auto&& jsonValue = fieldItr->value; | ||
| if (jsonValue.IsString()) | ||
| { | ||
| value = jsonValue.GetString(); | ||
| value_sz = jsonValue.GetStringLength(); | ||
| } | ||
| else | ||
| { | ||
| jsonValue.Accept(writer); | ||
| value = sb.GetString(); | ||
| value_sz = sb.GetLength(); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if (value != nullptr) | ||
| { | ||
| if (value[0] != '"') | ||
| { | ||
| return std::string(value, value_sz); | ||
| } | ||
|
|
||
| const auto n = jsonUnescape(value, value_sz, nullptr); | ||
| if (n > 0) | ||
| { | ||
| const auto decoded = std::unique_ptr<char[]>(new char[n + 1]); | ||
| jsonUnescape(value, value_sz, decoded.get()); | ||
| return std::string(decoded.get(), n); | ||
| } | ||
| } | ||
| return ""; | ||
| } | ||
|
|
||
| static std::string getDataURI(const ax::Data& data, std::string_view mime_type) | ||
| { | ||
| auto encodedData = utils::base64Encode(std::span{data.getBytes(), data.getBytes() + data.getSize()}); | ||
| return std::string{"data:"}.append(mime_type).append(";base64,").append(utils::urlEncode(encodedData)); | ||
| } | ||
|
|
||
| } // namespace webview_common | ||
|
|
||
| #endif // __AXMOL__UI__WEBVIEWCOMMON_H_ |
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