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Diffstat (limited to 'thirdparty/glslang/StandAlone/DirStackFileIncluder.h')
| -rw-r--r-- | thirdparty/glslang/StandAlone/DirStackFileIncluder.h | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/thirdparty/glslang/StandAlone/DirStackFileIncluder.h b/thirdparty/glslang/StandAlone/DirStackFileIncluder.h deleted file mode 100644 index 5a33c78fa2..0000000000 --- a/thirdparty/glslang/StandAlone/DirStackFileIncluder.h +++ /dev/null @@ -1,149 +0,0 @@ -// -// Copyright (C) 2002-2005 3Dlabs Inc. Ltd. -// Copyright (C) 2017 Google, Inc. -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions -// are met: -// -// Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// -// Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// -// Neither the name of 3Dlabs Inc. Ltd. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN -// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -// POSSIBILITY OF SUCH DAMAGE. -// - -#pragma once - -#include <vector> -#include <string> -#include <fstream> -#include <algorithm> -#include <set> - -#include "./../glslang/Public/ShaderLang.h" - -// Default include class for normal include convention of search backward -// through the stack of active include paths (for nested includes). -// Can be overridden to customize. -class DirStackFileIncluder : public glslang::TShader::Includer { -public: - DirStackFileIncluder() : externalLocalDirectoryCount(0) { } - - virtual IncludeResult* includeLocal(const char* headerName, - const char* includerName, - size_t inclusionDepth) override - { - return readLocalPath(headerName, includerName, (int)inclusionDepth); - } - - virtual IncludeResult* includeSystem(const char* headerName, - const char* /*includerName*/, - size_t /*inclusionDepth*/) override - { - return readSystemPath(headerName); - } - - // Externally set directories. E.g., from a command-line -I<dir>. - // - Most-recently pushed are checked first. - // - All these are checked after the parse-time stack of local directories - // is checked. - // - This only applies to the "local" form of #include. - // - Makes its own copy of the path. - virtual void pushExternalLocalDirectory(const std::string& dir) - { - directoryStack.push_back(dir); - externalLocalDirectoryCount = (int)directoryStack.size(); - } - - virtual void releaseInclude(IncludeResult* result) override - { - if (result != nullptr) { - delete [] static_cast<tUserDataElement*>(result->userData); - delete result; - } - } - - virtual std::set<std::string> getIncludedFiles() - { - return includedFiles; - } - - virtual ~DirStackFileIncluder() override { } - -protected: - typedef char tUserDataElement; - std::vector<std::string> directoryStack; - int externalLocalDirectoryCount; - std::set<std::string> includedFiles; - - // Search for a valid "local" path based on combining the stack of include - // directories and the nominal name of the header. - virtual IncludeResult* readLocalPath(const char* headerName, const char* includerName, int depth) - { - // Discard popped include directories, and - // initialize when at parse-time first level. - directoryStack.resize(depth + externalLocalDirectoryCount); - if (depth == 1) - directoryStack.back() = getDirectory(includerName); - - // Find a directory that works, using a reverse search of the include stack. - for (auto it = directoryStack.rbegin(); it != directoryStack.rend(); ++it) { - std::string path = *it + '/' + headerName; - std::replace(path.begin(), path.end(), '\\', '/'); - std::ifstream file(path, std::ios_base::binary | std::ios_base::ate); - if (file) { - directoryStack.push_back(getDirectory(path)); - includedFiles.insert(path); - return newIncludeResult(path, file, (int)file.tellg()); - } - } - - return nullptr; - } - - // Search for a valid <system> path. - // Not implemented yet; returning nullptr signals failure to find. - virtual IncludeResult* readSystemPath(const char* /*headerName*/) const - { - return nullptr; - } - - // Do actual reading of the file, filling in a new include result. - virtual IncludeResult* newIncludeResult(const std::string& path, std::ifstream& file, int length) const - { - char* content = new tUserDataElement [length]; - file.seekg(0, file.beg); - file.read(content, length); - return new IncludeResult(path, content, length, content); - } - - // If no path markers, return current working directory. - // Otherwise, strip file name and return path leading up to it. - virtual std::string getDirectory(const std::string path) const - { - size_t last = path.find_last_of("/\\"); - return last == std::string::npos ? "." : path.substr(0, last); - } -}; |