CompleteFile.h (1252B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- 2 * vim: set ts=8 sts=2 et sw=2 tw=80: 3 * This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef util_CompleteFile_h 8 #define util_CompleteFile_h 9 10 #include "mozilla/Assertions.h" // MOZ_ASSERT 11 12 #include <stdint.h> // uint8_t 13 #include <stdio.h> // fclose, FILE, stdin 14 15 #include "jstypes.h" // JS_PUBLIC_API 16 #include "js/AllocPolicy.h" // js::TempAllocPolicy 17 #include "js/Vector.h" // js::Vector 18 19 struct JS_PUBLIC_API JSContext; 20 21 namespace js { 22 23 using FileContents = Vector<uint8_t, 8, TempAllocPolicy>; 24 25 extern bool ReadCompleteFile(JSContext* cx, FILE* fp, FileContents& buffer); 26 27 class AutoFile { 28 FILE* fp_ = nullptr; 29 30 public: 31 AutoFile() = default; 32 33 ~AutoFile() { 34 if (fp_ && fp_ != stdin) { 35 fclose(fp_); 36 } 37 } 38 39 FILE* fp() const { return fp_; } 40 41 bool open(JSContext* cx, const char* filename); 42 43 bool readAll(JSContext* cx, FileContents& buffer) { 44 MOZ_ASSERT(fp_); 45 return ReadCompleteFile(cx, fp_, buffer); 46 } 47 }; 48 49 } // namespace js 50 51 #endif /* util_CompleteFile_h */