summaryrefslogtreecommitdiff
path: root/format.h
blob: 778ec53f2312895f49fd56e8eae8c0a229d6d8f1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
#ifndef _FORMAT_H
#define _FORMAT_H

#include "journal.h"
#include "valexpr.h"
#include "walk.h"

namespace ledger {

std::string truncated(const std::string& str, unsigned int width,
		      const int style = 2);

std::string partial_account_name(const account_t&   account,
				 const unsigned int start_depth);

#define ELEMENT_ALIGN_LEFT 0x01
#define ELEMENT_HIGHLIGHT  0x02

struct element_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;

  element_t() : type(STRING), flags(false),
		min_width(0), max_width(0), next(NULL) {
    DEBUG_PRINT("ledger.memory.ctors", "ctor element_t");
  }

  ~element_t() {
    DEBUG_PRINT("ledger.memory.dtors", "dtor element_t");
    if (next) delete next;	// recursive, but not too deep
  }
};

struct format_t
{
  std::string format_string;
  element_t * elements;

  enum elision_style_t {
    TRUNCATE_TRAILING,
    TRUNCATE_MIDDLE,
    TRUNCATE_LEADING,
    ABBREVIATE
  };

  static elision_style_t elision_style;
  static int abbrev_length;

  static bool ansi_codes;
  static bool ansi_invert;

  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);
  }
  ~format_t() {
    DEBUG_PRINT("ledger.memory.dtors", "dtor format_t");
    if (elements) delete elements;
  }

  void reset(const std::string& _format) {
    if (elements)
      delete elements;
    elements = parse_elements(_format);
    format_string = _format;
  }

  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 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();

  virtual void flush() {
    if (last_entry) {
      format_last_entry();
      last_entry = NULL;
    }
    format_transactions::flush();
  }
  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;

  item_predicate<account_t> disp_pred;

 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();
  }

  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 {
 public:
  format_error(const std::string& reason, error_context * ctxt = NULL) throw()
    : error(reason, ctxt) {}
  virtual ~format_error() throw() {}
};

} // namespace ledger

#endif // _FORMAT_H