diff options
Diffstat (limited to 'journal.h')
| -rw-r--r-- | journal.h | 61 |
1 files changed, 56 insertions, 5 deletions
@@ -34,8 +34,8 @@ #include "amount.h" #include "value.h" -#include "valexpr.h" -#include "utils.h" +#include "expr.h" +#include "predicate.h" namespace ledger { @@ -62,9 +62,9 @@ class transaction_t : public supports_flags<> optional<datetime_t> _date; optional<datetime_t> _date_eff; amount_t amount; - value_expr amount_expr; + expr_t amount_expr; optional<amount_t> cost; - optional<value_expr> cost_expr; + optional<expr_t> cost_expr; optional<string> note; istream_pos_type beg_pos; unsigned long beg_line; @@ -452,7 +452,7 @@ class session_t; class journal_t : public noncopyable { - public: +public: session_t * owner; account_t * master; account_t * basket; @@ -488,6 +488,57 @@ class journal_t : public noncopyable } bool valid() const; + +/** + * @class journal_t::parser_t + * + * @brief Provides an abstract interface for writing journal parsers. + * + * Any data format for Ledger data is possible, as long as it can be parsed + * into a journal_t data tree. This class provides the basic interface which + * must be implemented by every such journal parser. + */ + class parser_t : public noncopyable + { + public: + parser_t() { + TRACE_CTOR(parser_t, ""); + } + virtual ~parser_t() { + TRACE_DTOR(parser_t); + } + + virtual bool test(std::istream& in) const = 0; + + virtual unsigned int parse(std::istream& in, + session_t& session, + journal_t& journal, + account_t * master = NULL, + const path * original_file = NULL) = 0; + }; + + class binary_parser_t : public parser_t + { + public: + virtual bool test(std::istream& in) const; + + virtual unsigned int parse(std::istream& in, + session_t& session, + journal_t& journal, + account_t * master = NULL, + const path * original_file = NULL); + }; + + unsigned int read(std::istream& in, const path& file, account_t * master); + void write(std::ostream& out); + + class parse_error : public error + { + public: + parse_error(const string& reason, error_context * ctxt = NULL) throw() + : error(reason, ctxt) {} + virtual ~parse_error() throw() {} + }; }; inline void extend_entry_base(journal_t * journal, entry_base_t& entry, |