152 lines
4.6 KiB
C++
152 lines
4.6 KiB
C++
/* This file is part of the Pangolin Project.
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* http://github.com/stevenlovegrove/Pangolin
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*
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* Copyright (c) 2013 Steven Lovegrove
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <pangolin/platform.h>
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#include <string>
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#include <vector>
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#include <algorithm>
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namespace pangolin
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{
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PANGOLIN_EXPORT
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std::vector<std::string>& Split(const std::string& s, char delim, std::vector<std::string>& elements);
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PANGOLIN_EXPORT
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std::vector<std::string> Split(const std::string &s, char delim);
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PANGOLIN_EXPORT
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std::vector<std::string> Expand(const std::string &s, char open='[', char close=']', char delim=',');
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PANGOLIN_EXPORT
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std::string SanitizePath(const std::string& path);
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PANGOLIN_EXPORT
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std::string PathParent(const std::string& path, int levels = 1);
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PANGOLIN_EXPORT
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bool FileExists(const std::string& filename);
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PANGOLIN_EXPORT
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std::string FindPath(const std::string& child_path, const std::string& signature_path);
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PANGOLIN_EXPORT
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std::string PathExpand(const std::string& sPath);
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PANGOLIN_EXPORT
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bool MatchesWildcard(const std::string& str, const std::string& wildcard);
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// Fill 'file_vec' with the files that match the glob-like 'wildcard_file_path'
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// ? can be used to match any single charector
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// * can be used to match any sequence of charectors in a directory
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// ** can be used to match any directories across any number of levels
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// e.g. FilesMatchingWildcard("~/*/code/*.h", vec);
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// e.g. FilesMatchingWildcard("~/**/*.png", vec);
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PANGOLIN_EXPORT
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bool FilesMatchingWildcard(const std::string& wildcard_file_path, std::vector<std::string>& file_vec);
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PANGOLIN_EXPORT
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std::string MakeUniqueFilename(const std::string& filename);
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PANGOLIN_EXPORT
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bool IsPipe(const std::string& file);
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PANGOLIN_EXPORT
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bool IsPipe(int fd);
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PANGOLIN_EXPORT
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int WritablePipeFileDescriptor(const std::string& file);
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/**
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* Open the file for reading. Note that it is opened with O_NONBLOCK. The pipe
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* open is done in two stages so that the producer knows a reader is waiting
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* (but not blocked). The reader then checks PipeHasDataToRead() until it
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* returns true. The file can then be opened. Note that the file descriptor
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* should be closed after the read stream has been created so that the write
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* side of the pipe does not get signaled.
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*/
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PANGOLIN_EXPORT
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int ReadablePipeFileDescriptor(const std::string& file);
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PANGOLIN_EXPORT
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bool PipeHasDataToRead(int fd);
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PANGOLIN_EXPORT
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void FlushPipe(const std::string& file);
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// TODO: Tidy these inlines up / move them
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inline bool StartsWith(const std::string& str, const std::string& prefix)
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{
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return !str.compare(0, prefix.size(), prefix);
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}
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inline bool EndsWith(const std::string& str, const std::string& prefix)
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{
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return !str.compare(str.size() - prefix.size(), prefix.size(), prefix);
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}
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inline std::string Trim(const std::string& str, const std::string& delimiters = " \f\n\r\t\v" )
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{
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const size_t f = str.find_first_not_of( delimiters );
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return f == std::string::npos ?
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"" :
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str.substr( f, str.find_last_not_of( delimiters ) + 1 );
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}
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inline void ToUpper( std::string& str )
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{
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std::transform(str.begin(), str.end(), str.begin(), ::toupper);
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}
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inline void ToLower( std::string& str )
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{
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std::transform(str.begin(), str.end(), str.begin(), ::tolower);
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}
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inline std::string ToUpperCopy( const std::string& str )
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{
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std::string out;
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out.resize(str.size());
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std::transform(str.begin(), str.end(), out.begin(), ::toupper);
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return out;
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}
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inline std::string ToLowerCopy( const std::string& str )
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{
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std::string out;
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out.resize(str.size());
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std::transform(str.begin(), str.end(), out.begin(), ::tolower);
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return out;
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}
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}
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