91 lines
3.5 KiB
C++
91 lines
3.5 KiB
C++
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/***********************************************************************
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* Copyright 2011-2012 Computer Graphics Group RWTH Aachen University. *
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* All rights reserved. *
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* Distributed under the terms of the MIT License (see LICENSE.TXT). *
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**********************************************************************/
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#ifndef ACGL_BASE_STRINGOPERATIONS_HH
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#define ACGL_BASE_STRINGOPERATIONS_HH
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/*
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* Provides a set of primitive functions which operate on std::strings which are
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* used at multiple points within the library.
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*/
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#include <ACGL/ACGL.hh>
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#include <ACGL/Math/Math.hh>
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#include <sstream>
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#include <vector>
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#include <string>
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namespace ACGL{
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namespace Utils{
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namespace StringHelpers
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{
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//! splits the filename _full into the filename without the extension and just the extension
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bool splitFileExtension (const std::string& _full, std::string& _file, std::string& _extension );
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bool splitLastFileOrFolder (const std::string& _full, std::string& _path, std::string& _fileOrFolder);
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//! returns true iff the _string starts with a given prefix
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bool startsWith (const std::string& _string, const std::string& _prefix);
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//! returns true iff the _string starts with a given single char prefix (quicker than the string version above)
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bool startsWith (const std::string& _string, const char _prefix);
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/*
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* Checks if a string ends with a certain ending. Can be used to check for fileendings:
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* if (endsWith( "foobar.txt", ".txt" )) cout << "textfile";
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*/
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bool endsWith( const std::string &theString, const std::string &theEnding );
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std::vector<std::string> split (const std::string& _string, char _splitChar, bool _skipEmptyStrings = true);
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//! strips a string of all leading and trailing whitespaces (but leaves the ones in between)
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std::string stripOfWhiteSpaces( const std::string &_string );
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//! strips a string of all leading and trailing characters out of a given list (but leaves the ones in between)
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std::string stripOfCharacters( const std::string &_string, const std::string &_charsToStrip );
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//! converts an int to a string but adds leading zeros (e.g. _maxPadding = 2, 1 -> 01)
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std::string intToString( const int _number, const int _maxPadding = 0 );
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//! Convert a primitive type to a string (e.g. string s = toString(1.5f)), also supports some GLM types (but not complete)
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template<class T>
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std::string toString(const T& _t);
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//! Convert a string to a primitive type (e.g. float f = to<float>("1.5"))
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template<class T>
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T to(const std::string& _string, bool* _OK = NULL)
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{
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std::stringstream stream(_string);
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T t;
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stream >> t;
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if(_OK)
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*_OK = !stream.fail();
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return t;
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}
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//! converts a string in the form "(23,42)" to a glm::uvec2. Reverses the functionality of toString<glm::uvec2>( foo ).
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glm::uvec2 toUvec2( const std::string& _string );
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//! converts a string in the form "(23.0,42.0)" to a glm::vec2. Reverses the functionality of toString<glm::vec2>( foo ).
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glm::vec2 toVec2( const std::string& _string );
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glm::vec3 toVec3( const std::string& _string );
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glm::vec4 toVec4( const std::string& _string );
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glm::mat3 toMat3( const std::string& _string );
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/*
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* Returns the lowercase fileending if the filename has a '.' in it, otherwise
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* an empty string.
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*/
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std::string getFileEnding( const std::string &_fileName );
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}
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} // Utils
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} // ACGL
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#endif // ACGL_BASE_STRINGOPERATIONS_HH
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