50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
/**
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* file: utilities.ccp
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* Author: Frank Dellaert
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**/
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#pragma once
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#include <exception>
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#include <sstream>
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class CantOpenFile : public std::exception {
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private:
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std::string filename_;
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public:
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CantOpenFile(const std::string& filename) : filename_(filename) {}
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~CantOpenFile() throw() {}
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virtual const char* what() const throw() {
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return ("Can't open file " + filename_).c_str();
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}
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};
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class ParseFailed : public std::exception {
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private:
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int length_;
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public:
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ParseFailed(int length) : length_(length) {}
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~ParseFailed() throw() {}
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virtual const char* what() const throw() {
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std::stringstream buf;
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buf << "Parse failed at character " << (length_+1);
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return buf.str().c_str();
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}
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};
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/**
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* read contents of a file into a std::string
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*/
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std::string file_contents(const std::string& filename, bool skipheader=false);
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/**
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* Check whether two files are equal
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* By default, skips the first line of actual so header is not generated
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*/
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bool files_equal(const std::string& actual, const std::string& expected, bool skipheader=true);
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/**
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* emit a header at the top of generated files
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*/
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void emit_header_comment(std::ofstream& ofs, const std::string& delimiter);
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