diff options
Diffstat (limited to 'src/commodity.cc')
| -rw-r--r-- | src/commodity.cc | 143 |
1 files changed, 140 insertions, 3 deletions
diff --git a/src/commodity.cc b/src/commodity.cc index b94aedc7..66c4a04c 100644 --- a/src/commodity.cc +++ b/src/commodity.cc @@ -40,6 +40,7 @@ */ #include "amount.h" +#include "parser.h" // for parsing utility functions namespace ledger { @@ -143,6 +144,48 @@ bool commodity_t::symbol_needs_quotes(const string& symbol) return false; } +void commodity_t::parse_symbol(std::istream& in, string& symbol) +{ + // Invalid commodity characters: + // SPACE, TAB, NEWLINE, RETURN + // 0-9 . , ; - + * / ^ ? : & | ! = + // < > { } [ ] ( ) @ + + static int invalid_chars[256] = { + /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ + /* 00 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, + /* 10 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* 20 */ 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, + /* 30 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /* 40 */ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* 50 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, + /* 60 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* 70 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, + /* 80 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* 90 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* a0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* b0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* c0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* d0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* e0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* f0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + }; + + char buf[256]; + char c = peek_next_nonws(in); + if (c == '"') { + in.get(c); + READ_INTO(in, buf, 255, c, c != '"'); + if (c == '"') + in.get(c); + else + throw_(amount_error, "Quoted commodity symbol lacks closing quote"); + } else { + READ_INTO(in, buf, 255, c, ! invalid_chars[(unsigned char)c]); + } + symbol = buf; +} + bool commodity_t::valid() const { if (symbol().empty() && this != parent().null_commodity) { @@ -164,6 +207,71 @@ bool commodity_t::valid() const return true; } +void annotation_t::parse(std::istream& in) +{ + do { + char buf[256]; + char c = peek_next_nonws(in); + if (c == '{') { + if (price) + throw_(amount_error, "Commodity specifies more than one price"); + + in.get(c); + READ_INTO(in, buf, 255, c, c != '}'); + if (c == '}') + in.get(c); + else + throw_(amount_error, "Commodity price lacks closing brace"); + + amount_t temp; + temp.parse(buf, AMOUNT_PARSE_NO_MIGRATE); + temp.in_place_reduce(); + + // Since this price will maintain its own precision, make sure + // it is at least as large as the base commodity, since the user + // may have only specified {$1} or something similar. + + if (temp.has_commodity() && + temp.precision() < temp.commodity().precision()) + temp = temp.round(); // no need to retain individual precision + + price = temp; + } + else if (c == '[') { + if (date) + throw_(amount_error, "Commodity specifies more than one date"); + + in.get(c); + READ_INTO(in, buf, 255, c, c != ']'); + if (c == ']') + in.get(c); + else + throw_(amount_error, "Commodity date lacks closing bracket"); + + date = parse_datetime(buf); + } + else if (c == '(') { + if (tag) + throw_(amount_error, "Commodity specifies more than one tag"); + + in.get(c); + READ_INTO(in, buf, 255, c, c != ')'); + if (c == ')') + in.get(c); + else + throw_(amount_error, "Commodity tag lacks closing parenthesis"); + + tag = buf; + } + else { + break; + } + } while (true); + + DEBUG("amounts.commodities", + "Parsed commodity annotations: " << std::endl << *this); +} + bool annotated_commodity_t::operator==(const commodity_t& comm) const { // If the base commodities don't match, the game's up. @@ -180,9 +288,38 @@ bool annotated_commodity_t::operator==(const commodity_t& comm) const return true; } -void -annotated_commodity_t::write_annotations(std::ostream& out, - const annotation_t& info) +commodity_t& +annotated_commodity_t::strip_annotations(const bool _keep_price, + const bool _keep_date, + const bool _keep_tag) +{ + DEBUG("commodity.annotated.strip", + "Reducing commodity " << *this << std::endl + << " keep price " << _keep_price << " " + << " keep date " << _keep_date << " " + << " keep tag " << _keep_tag); + + commodity_t * new_comm; + + if ((_keep_price && details.price) || + (_keep_date && details.date) || + (_keep_tag && details.tag)) + { + new_comm = parent().find_or_create + (referent(), + annotation_t(_keep_price ? details.price : optional<amount_t>(), + _keep_date ? details.date : optional<moment_t>(), + _keep_tag ? details.tag : optional<string>())); + } else { + new_comm = parent().find_or_create(base_symbol()); + } + + assert(new_comm); + return *new_comm; +} + +void annotated_commodity_t::write_annotations(std::ostream& out, + const annotation_t& info) { if (info.price) out << " {" << *info.price << '}'; |