diff options
Diffstat (limited to 'valexpr.h')
| -rw-r--r-- | valexpr.h | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/valexpr.h b/valexpr.h deleted file mode 100644 index c9db4601..00000000 --- a/valexpr.h +++ /dev/null @@ -1,207 +0,0 @@ -#ifndef _VALEXPR_H -#define _VALEXPR_H - -#include "journal.h" -#include "value.h" -#include "error.h" -#include "mask.h" - -#include <memory> - -namespace ledger { - -struct details_t -{ - const entry_t * entry; - const transaction_t * xact; - const account_t * account; - - details_t(const entry_t& _entry) - : entry(&_entry), xact(NULL), account(NULL) { - DEBUG_PRINT("ledger.memory.ctors", "ctor details_t"); - } - details_t(const transaction_t& _xact); - details_t(const account_t& _account) - : entry(NULL), xact(NULL), account(&_account) { - DEBUG_PRINT("ledger.memory.ctors", "ctor details_t"); - } -#ifdef DEBUG_ENABLED - ~details_t() { - DEBUG_PRINT("ledger.memory.dtors", "dtor details_t"); - } -#endif -}; - -struct value_expr_t -{ - enum kind_t { - // Constants - CONSTANT_I, - CONSTANT_T, - CONSTANT_A, - - // Item details - AMOUNT, - COST, - DATE, - CLEARED, - PENDING, - REAL, - ACTUAL, - INDEX, - DEPTH, - - // Item totals - COUNT, - TOTAL, - COST_TOTAL, - - // Relating to format_t - VALUE_EXPR, - TOTAL_EXPR, - - // Functions - F_NOW, - F_PARENT, - F_ARITH_MEAN, - F_VALUE, - F_FUNC, - F_NEG, - F_ABS, - F_STRIP, - F_CODE_MASK, - F_PAYEE_MASK, - F_NOTE_MASK, - F_ACCOUNT_MASK, - F_SHORT_ACCOUNT_MASK, - F_COMMODITY_MASK, - - // Binary operators - O_ADD, - O_SUB, - O_MUL, - O_DIV, - O_EQ, - O_LT, - O_LTE, - O_GT, - O_GTE, - O_NOT, - O_AND, - O_OR, - O_QUES, - O_COL, - O_ARG, - - LAST - }; - - kind_t kind; - value_expr_t * left; - value_expr_t * right; - - union { - std::time_t constant_t; - long constant_i; - }; - std::string constant_s; - amount_t constant_a; - mask_t * mask; - - value_expr_t(const kind_t _kind) - : kind(_kind), left(NULL), right(NULL), mask(NULL) { - DEBUG_PRINT("ledger.memory.ctors", "ctor value_expr_t"); - } - - ~value_expr_t() { - DEBUG_PRINT("ledger.memory.dtors", "dtor value_expr_t"); - if (mask) delete mask; - if (left) delete left; - if (right) delete right; - } - - void compute(value_t& result, const details_t& details) const; -}; - -extern std::auto_ptr<value_expr_t> amount_expr; -extern std::auto_ptr<value_expr_t> total_expr; -extern std::time_t terminus; - -bool compute_amount(value_expr_t * expr, amount_t& amt, transaction_t& xact); - -inline void compute_amount(value_t& result, const details_t& details) { - if (amount_expr.get()) - amount_expr->compute(result, details); -} - -inline void compute_total(value_t& result, const details_t& details) { - if (total_expr.get()) - total_expr->compute(result, details); -} - -value_expr_t * parse_value_expr(std::istream& in, - const bool partial = false); - -inline value_expr_t * parse_value_expr(const char * p, - const bool partial = false) { - std::istringstream stream(p); - return parse_value_expr(stream, partial); -} - -inline value_expr_t * parse_value_expr(const std::string& str, - const bool partial = false) { - return parse_value_expr(str.c_str()); -} - -#ifdef DEBUG_ENABLED -void dump_value_expr(std::ostream& out, const value_expr_t * node); -#endif - -////////////////////////////////////////////////////////////////////// - -template <typename T> -class item_predicate -{ - const value_expr_t * predicate; - bool allocated; - - public: - item_predicate(const std::string& _predicate) - : predicate(NULL), allocated(false) { - DEBUG_PRINT("ledger.memory.ctors", "ctor item_predicate<T>"); - if (! _predicate.empty()) { - try { - predicate = parse_value_expr(_predicate); - allocated = true; - } - catch (value_expr_error& err) { - throw value_expr_error(std::string("In predicate '") + - _predicate + "': " + err.what()); - } - } - } - item_predicate(const value_expr_t * _predicate = NULL) - : predicate(_predicate), allocated(false) { - DEBUG_PRINT("ledger.memory.ctors", "ctor item_predicate<T>"); - } - - ~item_predicate() { - DEBUG_PRINT("ledger.memory.dtors", "dtor item_predicate<T>"); - if (predicate && allocated) - delete predicate; - } - - bool operator()(const T& item) const { - if (predicate) { - value_t result; - predicate->compute(result, details_t(item)); - return result; - } else { - return true; - } - } -}; - -} // namespace ledger - -#endif // _VALEXPR_H |