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Diffstat (limited to 'butl/manifest-parser')
-rw-r--r-- | butl/manifest-parser | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/butl/manifest-parser b/butl/manifest-parser deleted file mode 100644 index 94ecb7e..0000000 --- a/butl/manifest-parser +++ /dev/null @@ -1,94 +0,0 @@ -// file : butl/manifest-parser -*- C++ -*- -// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd -// license : MIT; see accompanying LICENSE file - -#ifndef BUTL_MANIFEST_PARSER -#define BUTL_MANIFEST_PARSER - -#include <string> -#include <iosfwd> -#include <cstdint> // uint64_t -#include <stdexcept> // runtime_error - -#include <butl/export> - -#include <butl/char-scanner> - -namespace butl -{ - class LIBBUTL_EXPORT manifest_parsing: public std::runtime_error - { - public: - manifest_parsing (const std::string& name, - std::uint64_t line, - std::uint64_t column, - const std::string& description); - - std::string name; - std::uint64_t line; - std::uint64_t column; - std::string description; - }; - - class manifest_name_value - { - public: - std::string name; - std::string value; - - std::uint64_t name_line; - std::uint64_t name_column; - - std::uint64_t value_line; - std::uint64_t value_column; - - bool - empty () const {return name.empty () && value.empty ();} - }; - - class LIBBUTL_EXPORT manifest_parser: protected butl::char_scanner - { - public: - manifest_parser (std::istream& is, const std::string& name) - : char_scanner (is), name_ (name) {} - - const std::string& - name () const {return name_;} - - // The first returned pair is special "start-of-manifest" with - // empty name and value being the format version: {"", "<ver>"}. - // 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 get 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 (aka EOF). To put it another way, the parse sequence - // always has the following form: - // - // ({"", "<ver>"} {"<name>", "<value>"}* {"", ""})* {"", ""} - // - manifest_name_value - next (); - - private: - void - parse_name (manifest_name_value&); - - void - parse_value (manifest_name_value&); - - // Skip spaces and return the first peeked non-space character. - // - xchar - skip_spaces (); - - private: - const std::string name_; - - enum {start, body, end} s_ = start; - std::string version_; // Current format version. - }; -} - -#endif // BUTL_MANIFEST_PARSER |