diff options
Diffstat (limited to 'format.h')
| -rw-r--r-- | format.h | 259 |
1 files changed, 79 insertions, 180 deletions
@@ -1,209 +1,108 @@ #ifndef _FORMAT_H #define _FORMAT_H -#include "journal.h" -#include "valexpr.h" -#include "walk.h" +#include "xpath.h" +#include "error.h" +#include "debug.h" -namespace ledger { - -std::string truncated(const std::string& str, unsigned int width, - const int style = 2); +#include <list> -std::string partial_account_name(const account_t& account, - const unsigned int start_depth); - -#define ELEMENT_ALIGN_LEFT 0x01 -#define ELEMENT_HIGHLIGHT 0x02 +namespace ledger { -struct element_t +class format_t { - enum kind_t { - STRING, - VALUE_EXPR, - SOURCE, - ENTRY_BEG_POS, - ENTRY_BEG_LINE, - ENTRY_END_POS, - ENTRY_END_LINE, - XACT_BEG_POS, - XACT_BEG_LINE, - XACT_END_POS, - XACT_END_LINE, - DATE_STRING, - COMPLETE_DATE_STRING, - CLEARED, - ENTRY_CLEARED, - CODE, - PAYEE, - OPT_ACCOUNT, - ACCOUNT_NAME, - ACCOUNT_FULLNAME, - AMOUNT, - OPT_AMOUNT, - TOTAL, - NOTE, - OPT_NOTE, - SPACER, - DEPTH_SPACER - }; - - kind_t type; - unsigned char flags; - std::string chars; - unsigned char min_width; - unsigned char max_width; - value_expr val_expr; - - struct element_t * next; + public: + struct element_t + { + bool align_left; + short min_width; + short max_width; + + enum kind_t { UNKNOWN, TEXT, COLUMN, XPATH, GROUP } kind; + union { + std::string * chars; + xml::xpath_t * xpath; + format_t * format; + }; + + element_t() + : align_left(false), min_width(-1), max_width(-1), + kind(UNKNOWN), chars(NULL) { + TRACE_CTOR("element_t()"); + } - element_t() : type(STRING), flags(false), - min_width(0), max_width(0), next(NULL) { - DEBUG_PRINT("ledger.memory.ctors", "ctor element_t"); - } + ~element_t() { + TRACE_DTOR("element_t"); + + switch (kind) { + case TEXT: + delete chars; + break; + case XPATH: + delete xpath; + break; + case GROUP: + delete format; + break; + default: + assert(! chars); + break; + } + } - ~element_t() { - DEBUG_PRINT("ledger.memory.dtors", "dtor element_t"); - if (next) delete next; // recursive, but not too deep - } -}; + private: + element_t(const element_t& other); + }; -struct format_t -{ - std::string format_string; - element_t * elements; - - enum elision_style_t { - TRUNCATE_TRAILING, - TRUNCATE_MIDDLE, - TRUNCATE_LEADING, - ABBREVIATE + struct element_formatter_t { + virtual ~element_formatter_t() {} + virtual int operator()(std::ostream& out, element_t * element, + xml::node_t * context, int column) const; }; - static elision_style_t elision_style; - static int abbrev_length; + std::string format_string; + std::list<element_t *> elements; - static bool ansi_codes; - static bool ansi_invert; + private: + format_t(const format_t&); - format_t() : elements(NULL) { - DEBUG_PRINT("ledger.memory.ctors", "ctor format_t"); - } - format_t(const std::string& _format) : elements(NULL) { - DEBUG_PRINT("ledger.memory.ctors", "ctor format_t"); - reset(_format); + public: + format_t() { + TRACE_CTOR("format_t()"); } - ~format_t() { - DEBUG_PRINT("ledger.memory.dtors", "dtor format_t"); - if (elements) delete elements; + format_t(const std::string& fmt) { + TRACE_CTOR("format_t(const std::string&)"); + parse(fmt); } - void reset(const std::string& _format) { - if (elements) - delete elements; - elements = parse_elements(_format); - format_string = _format; + void clear_elements() { + for (std::list<element_t *>::iterator i = elements.begin(); + i != elements.end(); + i++) + delete *i; + elements.clear(); } - static element_t * parse_elements(const std::string& fmt); - - static std::string truncate(const std::string& str, unsigned int width, - const bool is_account = false); - - void format(std::ostream& out, const details_t& details) const; -}; - -class format_transactions : public item_handler<transaction_t> -{ - protected: - std::ostream& output_stream; - format_t first_line_format; - format_t next_lines_format; - entry_t * last_entry; - transaction_t * last_xact; - - public: - format_transactions(std::ostream& _output_stream, - const std::string& format); - - virtual void flush() { - output_stream.flush(); + virtual ~format_t() { + TRACE_DTOR("format_t"); + clear_elements(); } - virtual void operator()(transaction_t& xact); -}; - -class format_entries : public format_transactions -{ - public: - format_entries(std::ostream& output_stream, const std::string& format) - : format_transactions(output_stream, format) {} - virtual void format_last_entry(); + void parse(const std::string& fmt); - virtual void flush() { - if (last_entry) { - format_last_entry(); - last_entry = NULL; - } - format_transactions::flush(); + void compile(const std::string& fmt, xml::node_t * context = NULL) { + parse(fmt); + compile(context); } - virtual void operator()(transaction_t& xact); -}; - -void print_entry(std::ostream& out, const entry_base_t& entry, - const std::string& prefix = ""); - -bool disp_subaccounts_p(const account_t& account, - const item_predicate<account_t>& disp_pred, - const account_t *& to_show); - -inline bool disp_subaccounts_p(const account_t& account) { - const account_t * temp; - return disp_subaccounts_p(account, item_predicate<account_t>(NULL), temp); -} - -bool display_account(const account_t& account, - const item_predicate<account_t>& disp_pred); - -class format_account : public item_handler<account_t> -{ - std::ostream& output_stream; + void compile(xml::node_t * context = NULL); - item_predicate<account_t> disp_pred; + int format(std::ostream& out, xml::node_t * context = NULL, + int column = 0, const element_formatter_t& formatter = + element_formatter_t()) const; - public: - format_t format; - - format_account(std::ostream& _output_stream, - const std::string& _format, - const std::string& display_predicate = NULL) - : output_stream(_output_stream), disp_pred(display_predicate), - format(_format) {} - - virtual void flush() { - output_stream.flush(); + operator bool() const { + return ! format_string.empty(); } - - virtual void operator()(account_t& account); -}; - -class format_equity : public item_handler<account_t> -{ - std::ostream& output_stream; - format_t first_line_format; - format_t next_lines_format; - - item_predicate<account_t> disp_pred; - - mutable value_t total; - - public: - format_equity(std::ostream& _output_stream, - const std::string& _format, - const std::string& display_predicate); - - virtual void flush(); - virtual void operator()(account_t& account); }; class format_error : public error { |