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| version 1.48.2.11.2.6, 2003/03/26 18:52:49 | version 1.53, 2003/09/25 09:15:02 |
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| Line 34 public: | Line 34 public: |
| Table( | Table( |
| columns_type acolumns, | columns_type acolumns, |
| int initial_rows=3); | size_t initial_rows=3); |
| Table(const Table& src, int offset=0, int limit=0); | Table(const Table& src, Action_options& options); |
| /// gets column names | /// gets column names |
| columns_type columns() { return fcolumns; } | columns_type columns() { return fcolumns; } |
| /// moves @a current pointer | /// moves @a current pointer |
| void set_current(int acurrent) { fcurrent=acurrent; } | void set_current(size_t acurrent) { |
| assert(acurrent==0 || acurrent<count()); | |
| fcurrent=acurrent; | |
| } | |
| /// @return current pointer | /// @return current pointer |
| int current() const { return fcurrent; } | size_t current() const { return fcurrent; } |
| void offset(bool absolute, int offset); | void offset(bool absolute, int offset); |
| /** @return column index from @a column_name. '<0' if no such column | /** @return column index from @a column_name. '<0' if no such column |
| if no such - 'bark' | if no such - 'bark' |
| */ | */ |
| int column_name2index(const String& column, bool bark) const; | int column_name2index(const String& column, bool bark) const; |
| Line 63 public: | Line 67 public: |
| /// saves to text file | /// saves to text file |
| void save(bool nameless_save, const String& file_spec); | void save(bool nameless_save, const String& file_spec); |
| bool locate(size_t column, const String& value); | template<typename I> |
| bool locate(const String& column, const String& value); | void table_for_each(void (*func)(Table& self, I* info), I* info, Action_options& o) { |
| if(!o.adjust(count())) | |
| return; | |
| size_t saved_current=current(); | |
| size_t row=o.offset; | |
| if(o.reverse) { // reverse | |
| for(size_t to=row-o.limit; row>=to; --row) { | |
| set_current(row); | |
| func(*this, info); | |
| } | |
| } else { // forward | |
| for(size_t to=row+o.limit; row<to; row++) { | |
| set_current(row); | |
| func(*this, info); | |
| } | |
| } | |
| set_current(saved_current); | |
| } | |
| template<typename I> | |
| bool table_first_that(bool (*func)(Table& self, I* info), void* info, Action_options& o) { | |
| if(!o.adjust(count())) | |
| return false; | |
| size_t saved_current=current(); | |
| size_t row=o.offset; | |
| if(o.reverse) { // reverse | |
| for(size_t to=row-o.limit; row>=to; --row) { | |
| set_current(row); | |
| if(func(*this, info)) | |
| return true; | |
| } | |
| } else { // forward | |
| for(size_t to=row+o.limit; row<to; row++) { | |
| set_current(row); | |
| if(func(*this, info)) | |
| return true; | |
| } | |
| } | |
| set_current(saved_current); | |
| return false; | |
| } | |
| bool locate(int column, const String& value, Action_options& options); | |
| bool locate(const String& column, const String& value, Action_options& options); | |
| private: | private: |
| // current row | /// current row |
| size_t fcurrent; | size_t fcurrent; |
| // columns | /// columns |
| columns_type fcolumns; | columns_type fcolumns; |
| // column names are already referenced in fcolumns, no need to doublecheck references here | /// column name->number lookup table |
| // column name->number lookup table | typedef Hash<const String::Body, int> name2number_hash_class; |
| typedef Hash<const StringBody, int> name2number_hash_class; | |
| name2number_hash_class* name2number; | name2number_hash_class* name2number; |
| // we own columns? | /// is that @c index falid? |
| bool valid(size_t index) const { return index>=0 && index<count(); } | bool valid(size_t index) const { return index>=0 && index<count(); } |
| }; | }; |