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35 /*! \libinternal \file
37 * Declares implementations for textstream.h interfaces for input/output to
40 * \author Teemu Murtola <teemu.murtola@gmail.com>
42 * \ingroup module_utility
44 #ifndef GMX_UTILITY_STRINGSTREAM_H
45 #define GMX_UTILITY_STRINGSTREAM_H
49 #include "gromacs/utility/textstream.h"
54 /*! \libinternal \brief
55 * Text output stream implementation for writing to an in-memory string.
57 * Implementations for the TextOutputStream methods throw std::bad_alloc if
58 * reallocation of the string fails.
61 * \ingroup module_utility
63 class StringOutputStream : public TextOutputStream
66 //! Returns the text written to the stream so far.
67 const std::string &toString() const { return str_; }
69 // From TextOutputStream
70 virtual void write(const char *text);
77 template<typename T> class ConstArrayRef;
79 /*! \libinternal \brief
80 * Helper class to convert static string data to a stream.
82 * Provides a text input stream that returns lines from a string
84 class StringInputStream : public TextInputStream
88 * Constructor that stores input lines in a string.
90 * The string is internally but no processing is done.
92 * \param[in] input String to be served by the stream.
94 explicit StringInputStream(const std::string &input);
96 * Constructor that stores input lines in a string.
98 * The array of char * is stored as a string separated by newline.
100 * \param[in] input Array of char * to be served by the stream.
102 explicit StringInputStream(ConstArrayRef<const char *> const &input);
104 // From TextInputStream
105 virtual bool readLine(std::string *line);
106 virtual void close() {};