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-rw-r--r--butl/manifest-serializer75
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diff --git a/butl/manifest-serializer b/butl/manifest-serializer
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--- a/butl/manifest-serializer
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-// file : butl/manifest-serializer -*- C++ -*-
-// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
-// license : MIT; see accompanying LICENSE file
-
-#ifndef BUTL_MANIFEST_SERIALIZER
-#define BUTL_MANIFEST_SERIALIZER
-
-#include <string>
-#include <iosfwd>
-#include <cstddef> // size_t
-#include <stdexcept> // runtime_error
-
-#include <butl/export>
-
-namespace butl
-{
- class LIBBUTL_EXPORT manifest_serialization: public std::runtime_error
- {
- public:
- manifest_serialization (const std::string& name,
- const std::string& description);
-
- std::string name;
- std::string description;
- };
-
- class LIBBUTL_EXPORT manifest_serializer
- {
- public:
- manifest_serializer (std::ostream& os, const std::string& name)
- : os_ (os), name_ (name) {}
-
- const std::string&
- name () const {return name_;}
-
- // The first name-value pair should be the special "start-of-manifest"
- // with empty name and value being the format version. After that we
- // have a sequence of ordinary pairs which are the manifest. At the
- // end of the manifest we have the special "end-of-manifest" pair
- // with empty name and value. After that we can either have another
- // start-of-manifest pair (in which case the whole sequence repeats
- // from the beginning) or we get another end-of-manifest pair which
- // signals the end of stream.
- //
- void
- next (const std::string& name, const std::string& value);
-
- // Write a comment. The supplied text is prefixed with "# " and
- // terminated with a newline.
- //
- void
- comment (const std::string&);
-
- private:
- void
- check_name (const std::string&);
-
- // Write 'n' characters from 's' (assuming there are no newlines)
- // split into multiple lines at or near the 78 characters
- // boundary. The first line starts at the 'column' offset.
- //
- void
- write_value (std::size_t column, const char* s, std::size_t n);
-
- private:
- enum {start, body, end} s_ = start;
- std::string version_; // Current format version.
-
- private:
- std::ostream& os_;
- const std::string name_;
- };
-}
-
-#endif // BUTL_MANIFEST_SERIALIZER