90 lines
1.7 KiB
C++
90 lines
1.7 KiB
C++
#ifndef __TOKENIZE__STREAM_H
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#define __TOKENIZE__STREAM_H
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#include <cassert>
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#include <experimental/filesystem>
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#include <iostream>
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#include <iterator>
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#include <sstream>
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#include <vector>
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#include <tokenize/Location.h>
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#include <tokenize/StreamPosition.h>
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#include <tokenize/TokenizerException.h>
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namespace tokenize
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{
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// Stream
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//
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class Stream
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{
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public:
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struct Delimiter
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{
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StreamPosition position;
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std::string sectionName;
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};
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public:
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Stream();
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explicit Stream(std::string streamName, std::istream &istream);
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~Stream() = default;
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Stream(const Stream &other) = delete;
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Stream &operator=(const Stream &other) = delete;
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Stream(Stream &&other) = delete;
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Stream &operator=(Stream &&other) = delete;
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void read(std::string streamName, std::istream &istream);
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void read(const std::experimental::filesystem::path &path);
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void reset();
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void seek(StreamPosition position);
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StreamPosition position() const;
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const std::vector<Delimiter> &delimiters() const
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{
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return m_delimiters;
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}
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char currentCharacter()
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{
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check();
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return m_stream[m_position];
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}
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void advance()
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{
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check();
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m_position++;
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}
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bool atEnd() const
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{
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return m_position >= m_stream.size();
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}
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void check()
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{
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if (atEnd())
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throw TokenizerException(*this, "reading past end of file");
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}
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protected:
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std::string m_stream;
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mutable StreamPosition m_position{0};
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std::vector<Delimiter> m_delimiters;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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}
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#endif
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