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Issue 29813591: Issue 6526 - Use Maybe<> version of soon to be deprecated API in v8 6.7 (Closed) Base URL: https://hg.adblockplus.org/libadblockplus/
Patch Set: Created June 22, 2018, 8:54 p.m.
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1 /* 1 /*
2 * This file is part of Adblock Plus <https://adblockplus.org/>, 2 * This file is part of Adblock Plus <https://adblockplus.org/>,
3 * Copyright (C) 2006-present eyeo GmbH 3 * Copyright (C) 2006-present eyeo GmbH
4 * 4 *
5 * Adblock Plus is free software: you can redistribute it and/or modify 5 * Adblock Plus is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 3 as 6 * it under the terms of the GNU General Public License version 3 as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
8 * 8 *
9 * Adblock Plus is distributed in the hope that it will be useful, 9 * Adblock Plus is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
(...skipping 20 matching lines...) Expand all
31 31
32 namespace AdblockPlus 32 namespace AdblockPlus
33 { 33 {
34 namespace Utils 34 namespace Utils
35 { 35 {
36 void CheckTryCatch(v8::Isolate* isolate, const v8::TryCatch& tryCatch); 36 void CheckTryCatch(v8::Isolate* isolate, const v8::TryCatch& tryCatch);
37 37
38 /* 38 /*
39 * Check for exception and then that a MaybeLocal<> isn't empty, 39 * Check for exception and then that a MaybeLocal<> isn't empty,
40 * and throw a JsError if it is, otherwise return the Local<> 40 * and throw a JsError if it is, otherwise return the Local<>
41 * Call using the macro %CHECKED_MAYBE to get the location. 41 * Call using the macro %CHECKED_TO_LOCAL to get the location.
42 */ 42 */
43 template<class T> 43 template<class T>
44 v8::Local<T> CheckedToLocal(v8::Isolate* isolate, 44 v8::Local<T> CheckedToLocal(v8::Isolate* isolate,
45 v8::MaybeLocal<T>&& value, const v8::TryCatch* tryCatch, 45 v8::MaybeLocal<T>&& value, const v8::TryCatch* tryCatch,
46 const char* filename, int line) 46 const char* filename, int line)
47 { 47 {
48 if (tryCatch) 48 if (tryCatch)
49 CheckTryCatch(isolate, *tryCatch); 49 CheckTryCatch(isolate, *tryCatch);
50 if (value.IsEmpty()) 50 if (value.IsEmpty())
51 throw AdblockPlus::JsError("Empty value at ", filename, line); 51 throw AdblockPlus::JsError("Empty value at ", filename, line);
52 return value.ToLocalChecked(); 52 return value.ToLocalChecked();
53 } 53 }
54 54
55 #define CHECKED_TO_LOCAL(isolate, value, tryCatch) \ 55 #define CHECKED_TO_LOCAL(isolate, value, tryCatch) \
56 AdblockPlus::Utils::CheckedToLocal(isolate, value, &tryCatch, __FILE__, __LI NE__) 56 AdblockPlus::Utils::CheckedToLocal(isolate, value, &tryCatch, __FILE__, __LI NE__)
57 57
58 #define CHECKED_TO_LOCAL_NOTHROW(isolate, value) \ 58 #define CHECKED_TO_LOCAL_NOTHROW(isolate, value) \
59 AdblockPlus::Utils::CheckedToLocal(isolate, value, nullptr, __FILE__, __LINE __) 59 AdblockPlus::Utils::CheckedToLocal(isolate, value, nullptr, __FILE__, __LINE __)
60 60
61 /*
62 * Check that a Maybe<> isn't empty,
63 * and throw a JsError if it is, otherwise return the value
64 * Call using the macro %CHECKED_TO_VALUE to get the location.
65 */
66 template<class T>
67 T CheckedToValue(v8::Maybe<T>&& value, const char* filename, int line)
68 {
69 if (value.IsNothing())
70 throw AdblockPlus::JsError("Empty value at ", filename, line);
71 return value.FromJust();
72 }
73
74 #define CHECKED_TO_VALUE(value) \
75 AdblockPlus::Utils::CheckedToValue(value, __FILE__, __LINE__)
76
61 std::string FromV8String(v8::Isolate* isolate, const v8::Local<v8::Value>& v alue); 77 std::string FromV8String(v8::Isolate* isolate, const v8::Local<v8::Value>& v alue);
62 StringBuffer StringBufferFromV8String(v8::Isolate* isolate, const v8::Local< v8::Value>& value); 78 StringBuffer StringBufferFromV8String(v8::Isolate* isolate, const v8::Local< v8::Value>& value);
63 v8::MaybeLocal<v8::String> ToV8String(v8::Isolate* isolate, const std::strin g& str); 79 v8::MaybeLocal<v8::String> ToV8String(v8::Isolate* isolate, const std::strin g& str);
64 v8::MaybeLocal<v8::String> StringBufferToV8String(v8::Isolate* isolate, cons t StringBuffer& bytes); 80 v8::MaybeLocal<v8::String> StringBufferToV8String(v8::Isolate* isolate, cons t StringBuffer& bytes);
65 void ThrowExceptionInJS(v8::Isolate* isolate, const std::string& str); 81 void ThrowExceptionInJS(v8::Isolate* isolate, const std::string& str);
66 82
67 // Code for templated function has to be in a header file, can't be in .cpp 83 // Code for templated function has to be in a header file, can't be in .cpp
68 template<class T> 84 template<class T>
69 T TrimString(const T& text) 85 T TrimString(const T& text)
70 { 86 {
71 // Via http://stackoverflow.com/questions/216823/whats-the-best-way-to-tri m-stdstring 87 // Via http://stackoverflow.com/questions/216823/whats-the-best-way-to-tri m-stdstring
72 T trimmed(text); 88 T trimmed(text);
73 trimmed.erase(trimmed.begin(), std::find_if(trimmed.begin(), trimmed.end() , std::not1(std::ptr_fun<int, int>(std::isspace)))); 89 trimmed.erase(trimmed.begin(), std::find_if(trimmed.begin(), trimmed.end() , std::not1(std::ptr_fun<int, int>(std::isspace))));
74 trimmed.erase(std::find_if(trimmed.rbegin(), trimmed.rend(), std::not1(std ::ptr_fun<int, int>(std::isspace))).base(), trimmed.end()); 90 trimmed.erase(std::find_if(trimmed.rbegin(), trimmed.rend(), std::not1(std ::ptr_fun<int, int>(std::isspace))).base(), trimmed.end());
75 return trimmed; 91 return trimmed;
76 } 92 }
77 #ifdef _WIN32 93 #ifdef _WIN32
78 std::wstring ToUtf16String(const std::string& str); 94 std::wstring ToUtf16String(const std::string& str);
79 std::string ToUtf8String(const std::wstring& str); 95 std::string ToUtf8String(const std::wstring& str);
80 std::wstring CanonizeUrl(const std::wstring& url); 96 std::wstring CanonizeUrl(const std::wstring& url);
81 #endif 97 #endif
82 } 98 }
83 } 99 }
84 100
85 #endif 101 #endif
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