ledger/format.h
2004-08-06 00:06:40 -04:00

124 lines
2.7 KiB
C++

#ifndef _FORMAT_H
#define _FORMAT_H
#include "ledger.h"
#include "valexpr.h"
namespace ledger {
std::string truncated(const std::string& str, unsigned int width);
std::string partial_account_name(const account_t * account,
const unsigned int start_depth);
struct element_t
{
enum kind_t {
STRING,
VALUE_EXPR,
DATE_STRING,
CLEARED,
CODE,
PAYEE,
ACCOUNT_NAME,
ACCOUNT_FULLNAME,
OPT_AMOUNT,
VALUE,
TOTAL,
SPACER
};
bool align_left;
unsigned int min_width;
unsigned int max_width;
kind_t type;
std::string chars;
node_t * val_expr;
struct element_t * next;
element_t() : align_left(false), min_width(0), max_width(0),
type(STRING), val_expr(NULL), next(NULL) {}
~element_t() {
if (val_expr) delete val_expr;
if (next) delete next; // recursive, but not too deep
}
};
struct format_t
{
element_t * elements;
static std::auto_ptr<node_t> value_expr;
static std::auto_ptr<node_t> total_expr;
format_t(const std::string& _format) : elements(NULL) {
reset(_format);
}
~format_t() {
if (elements) delete elements;
}
void reset(const std::string& _format) {
if (elements)
delete elements;
elements = parse_elements(_format);
}
static element_t * parse_elements(const std::string& fmt);
void format_elements(std::ostream& out, const details_t& details) const;
static void compute_value(balance_t& result, const details_t& details) {
if (value_expr.get())
value_expr->compute(result, details);
}
static void compute_total(balance_t& result, const details_t& details) {
if (total_expr.get())
total_expr->compute(result, details);
}
};
class format_transaction
{
std::ostream& output_stream;
const format_t& first_line_format;
const format_t& next_lines_format;
const bool inverted;
unsigned int index;
entry_t * last_entry;
public:
format_transaction(std::ostream& _output_stream,
const format_t& _first_line_format,
const format_t& _next_lines_format,
const bool _inverted)
: output_stream(_output_stream),
first_line_format(_first_line_format),
next_lines_format(_next_lines_format),
inverted(_inverted), index(0), last_entry(NULL) {}
void operator()(transaction_t * xact);
};
class format_account
{
std::ostream& output_stream;
const format_t& format;
const account_t * last_account;
public:
format_account(std::ostream& _output_stream, const format_t& _format)
: output_stream(_output_stream), format(_format) {}
void operator()(const account_t * account,
const unsigned int max_depth = 1,
const bool report_top = false);
};
} // namespace ledger
#endif // _REPORT_H