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| version 1.31, 2001/03/27 13:47:29 | version 1.41, 2001/03/30 09:58:57 |
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| Line 20 | Line 20 |
| VStateless_class *table_class; | VStateless_class *table_class; |
| // methods | // methods |
| /// @todo now remove CONFIG untaint, make pos() searches in String | |
| static void set_or_load( | static void set_or_load( |
| Request& r, | Request& r, |
| const String& method_name, Array *params, | const String& method_name, Array *params, |
| Line 34 static void set_or_load( | Line 34 static void set_or_load( |
| r.fail_if_junction_(is_load, *vdata_or_filename, | r.fail_if_junction_(is_load, *vdata_or_filename, |
| method_name, is_load?"file name must not be junction":"body must be junction"); | method_name, is_load?"file name must not be junction":"body must be junction"); |
| // data or file_name | // data or table_name |
| char *data; | char *data; |
| if(is_load) { | if(is_load) { |
| // forcing untaint language | // forcing untaint language |
| String lfile_name(pool); | String ltable_name(pool); |
| lfile_name.append(vdata_or_filename->as_string(), String::UL_FILE_NAME, true); | ltable_name.append(vdata_or_filename->as_string(), String::UL_FILE_NAME, true); |
| // loading text | // loading text |
| data=file_read_text(pool, r.absolute(lfile_name)); | data=file_read_text(pool, r.absolute(ltable_name)); |
| } else { | } else { |
| // suggesting untaint language | // suggesting untaint language |
| Temp_lang temp_lang(r, String::UL_TABLE); | Temp_lang temp_lang(r, String::UL_TABLE); |
| Line 63 static void set_or_load( | Line 63 static void set_or_load( |
| if(char *row_chars=getrow(&data)) | if(char *row_chars=getrow(&data)) |
| do { | do { |
| String *name=new(pool) String(pool); | String *name=new(pool) String(pool); |
| name->APPEND(lsplit(&row_chars, '\t'), 0, file, line++); | name->APPEND_CLEAN(lsplit(&row_chars, '\t'), 0, file, line++); |
| *columns+=name; | *columns+=name; |
| } while(row_chars); | } while(row_chars); |
| } | } |
| Line 77 static void set_or_load( | Line 77 static void set_or_load( |
| Array *row=new(pool) Array(pool); | Array *row=new(pool) Array(pool); |
| while(char *cell_chars=lsplit(&row_chars, '\t')) { | while(char *cell_chars=lsplit(&row_chars, '\t')) { |
| String *cell=new(pool) String(pool); | String *cell=new(pool) String(pool); |
| cell->APPEND(cell_chars, 0, file, line); | cell->APPEND_CLEAN(cell_chars, 0, file, line); |
| *row+=cell; | *row+=cell; |
| } | } |
| line++; | line++; |
| Line 87 static void set_or_load( | Line 87 static void set_or_load( |
| // replace any previous table value | // replace any previous table value |
| static_cast<VTable *>(r.self)->set_table(table); | static_cast<VTable *>(r.self)->set_table(table); |
| } | } |
| static void _set(Request& r, const String& method_name, Array *params) { | static void _set(Request& r, const String& method_name, Array *params) { |
| set_or_load(r, method_name, params, false); | set_or_load(r, method_name, params, false); |
| } | } |
| static void _load(Request& r, const String& method_name, Array *params) { | static void _load(Request& r, const String& method_name, Array *params) { |
| set_or_load(r, method_name, params, true); | set_or_load(r, method_name, params, true); |
| } | } |
| static void _save(Request& r, const String& method_name, Array *params) { | static void _save(Request& r, const String& method_name, Array *params) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| Value *vfile_name=static_cast<Value *>(params->get(params->size()-1)); | Value *vtable_name=static_cast<Value *>(params->get(params->size()-1)); |
| // forcing | // forcing |
| // ^save[this body type] | // ^save[this body type] |
| r.fail_if_junction_(true, *vfile_name, | r.fail_if_junction_(true, *vtable_name, |
| method_name, "file name must not be junction"); | method_name, "file name must not be junction"); |
| // forcing untaint language | // forcing untaint language |
| String lfile_name(pool); | String ltable_name(pool); |
| lfile_name.append(vfile_name->as_string(), | ltable_name.append(vtable_name->as_string(), |
| String::UL_FILE_NAME, true); | String::UL_FILE_NAME, true); |
| Table& table=static_cast<VTable *>(r.self)->table(); | Table& table=static_cast<VTable *>(r.self)->table(); |
| Line 148 static void _save(Request& r, const Stri | Line 145 static void _save(Request& r, const Stri |
| } | } |
| // write | // write |
| file_write(pool, r.absolute(lfile_name), sdata.cstr(), sdata.size(), true); | file_write(pool, r.absolute(ltable_name), sdata.cstr(), sdata.size(), true); |
| } | } |
| static void _count(Request& r, const String&, Array *) { | static void _count(Request& r, const String&method_name, Array *) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| Value& value=*new(pool) VInt(pool, static_cast<VTable *>(r.self)->table().size()); | Value& value=*new(pool) VInt(pool, static_cast<VTable *>(r.self)->table().size()); |
| r.write_no_lang(value); | r.write_no_lang(value); |
| } | } |
| static void _line(Request& r, const String&, Array *) { | static void _line(Request& r, const String& method_name, Array *) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| Value& value=*new(pool) VInt(pool, 1+static_cast<VTable *>(r.self)->table().get_current()); | Value& value=*new(pool) VInt(pool, 1+static_cast<VTable *>(r.self)->table().current()); |
| r.write_no_lang(value); | r.write_no_lang(value); |
| } | } |
| static void _offset(Request& r, const String&, Array *params) { | static void _offset(Request& r, const String& method_name, Array *params) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| Table& table=static_cast<VTable *>(r.self)->table(); | Table& table=static_cast<VTable *>(r.self)->table(); |
| if(params->size()) { | if(params->size()) |
| if(int size=table.size()) { | table.shift((int)r.process(*static_cast<Value *>(params->get(0))).as_double()); |
| int offset= | else { |
| (int)r.process(*static_cast<Value *>(params->get(0))).get_double(); | Value& value=*new(pool) VInt(pool, table.current()); |
| table.set_current((table.get_current()+offset+size)%size); | |
| } | |
| } else { | |
| Value& value=*new(pool) VInt(pool, table.get_current()); | |
| r.write_no_lang(value); | r.write_no_lang(value); |
| } | } |
| } | } |
| Line 188 static void _menu(Request& r, const Stri | Line 181 static void _menu(Request& r, const Stri |
| Table& table=static_cast<VTable *>(r.self)->table(); | Table& table=static_cast<VTable *>(r.self)->table(); |
| bool need_delim=false; | bool need_delim=false; |
| int saved_current=table.current(); | |
| for(int row=0; row<table.size(); row++) { | for(int row=0; row<table.size(); row++) { |
| table.set_current(row); | table.set_current(row); |
| Line 200 static void _menu(Request& r, const Stri | Line 194 static void _menu(Request& r, const Stri |
| } | } |
| r.write_pass_lang(processed_body); | r.write_pass_lang(processed_body); |
| } | } |
| table.set_current(saved_current); | |
| } | } |
| static void _empty(Request& r, const String&, Array *params) { | static void _empty(Request& r, const String& method_name, Array *params) { |
| Table& table=static_cast<VTable *>(r.self)->table(); | Table& table=static_cast<VTable *>(r.self)->table(); |
| if(table.size()==0) { | if(table.size()==0) { |
| Value& value=r.process(*static_cast<Value *>(params->get(0))); | Value& value=r.process(*static_cast<Value *>(params->get(0))); |
| Line 229 static void store_column_item_to_hash(Ar | Line 224 static void store_column_item_to_hash(Ar |
| value=new(*ri.pool) VUnknown(*ri.pool); | value=new(*ri.pool) VUnknown(*ri.pool); |
| ri.hash->put(column_name, value); | ri.hash->put(column_name, value); |
| } | } |
| static void _record(Request& r, const String&, Array *params) { | static void _record(Request& r, const String& method_name, Array *params) { |
| Table& table=static_cast<VTable *>(r.self)->table(); | Table& table=static_cast<VTable *>(r.self)->table(); |
| if(const Array *columns=table.columns()) { | if(const Array *columns=table.columns()) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| Line 241 static void _record(Request& r, const St | Line 236 static void _record(Request& r, const St |
| } | } |
| } | } |
| struct Seq_item { | |
| Array *row; | |
| union { | |
| char *c_str; | |
| double d; | |
| } value; | |
| }; | |
| static int sort_cmp_string(const void *a, const void *b) { | |
| return strcmp( | |
| static_cast<const Seq_item *>(a)->value.c_str, | |
| static_cast<const Seq_item *>(b)->value.c_str | |
| ); | |
| } | |
| static int sort_cmp_double(const void *a, const void *b) { | |
| double va=static_cast<const Seq_item *>(a)->value.d; | |
| double vb=static_cast<const Seq_item *>(b)->value.d; | |
| if(va<vb) | |
| return -1; | |
| else if(va>vb) | |
| return +1; | |
| else | |
| return 0; | |
| } | |
| static void _sort(Request& r, const String& method_name, Array *params) { | |
| Value& key_maker=*(Value *)params->get(0); | |
| // forcing ^sort{this} ^sort(or this) param type | |
| r.fail_if_junction_(false, key_maker, method_name, "key-maker must be junction"); | |
| bool reverse; | |
| if(params->size()==2) { // ..[asc|desc] | |
| Value& order=*(Value *)params->get(1); | |
| // forcing ..[this param-type] | |
| r.fail_if_junction_(true, order, method_name, "order must not be junction"); | |
| reverse=order.as_string()=="desc"; | |
| } else | |
| reverse=false; | |
| Table& table=static_cast<VTable *>(r.self)->table(); | |
| // anything to sort? | |
| if(!table.size()) | |
| return; | |
| Seq_item *seq=(Seq_item *)malloc(sizeof(Seq_item)*table.size()); | |
| int i; | |
| // calculate key values | |
| bool key_values_are_strings=true; | |
| for(i=0; i<table.size(); i++) { | |
| table.set_current(i); | |
| // calculate key value | |
| seq[i].row=(Array *)table.get(i); | |
| Value& value=*r.process(key_maker).as_expr_result(true/*return string as-is*/); | |
| if(i==0) // determining key values type by first one | |
| key_values_are_strings=value.is_string(); | |
| if(key_values_are_strings) | |
| seq[i].value.c_str=value.as_string().cstr(); | |
| else | |
| seq[i].value.d=value.as_double(); | |
| } | |
| // sort keys | |
| _qsort(seq, table.size(), sizeof(Seq_item), | |
| key_values_are_strings?sort_cmp_string:sort_cmp_double); | |
| // reorder table as they require in 'seq' | |
| for(i=0; i<table.size(); i++) | |
| table.put(i, seq[reverse?table.size()-1-i:i].row); | |
| // reset 'current' | |
| table.set_current(0); | |
| } | |
| static void _locate(Request& r, const String& method_name, Array *params) { | |
| VTable& vtable=*static_cast<VTable *>(r.self); | |
| Table& table=vtable.table(); | |
| vtable.last_locate_was_successful=table.locate( | |
| static_cast<Value *>(params->get(0))->as_string(), | |
| static_cast<Value *>(params->get(1))->as_string()); | |
| } | |
| static void _found(Request& r, const String& method_name, Array *params) { | |
| if(static_cast<VTable *>(r.self)->last_locate_was_successful) { | |
| Value& then_code=*static_cast<Value *>(params->get(0)); | |
| // forcing ^found{this param type} | |
| r.fail_if_junction_(false, then_code, | |
| method_name, "found-parameter must be junction"); | |
| r.write_pass_lang(r.process(then_code)); | |
| } else if(params->size()==2) { | |
| Value& else_code=*static_cast<Value *>(params->get(1)); | |
| // forcing ^found{this param type} | |
| r.fail_if_junction_(false, else_code, | |
| method_name, "not found-parameter must be junction"); | |
| r.write_pass_lang(r.process(else_code)); | |
| } | |
| } | |
| static void _flip(Request& r, const String& method_name, Array *params) { | |
| Pool& pool=r.pool(); | |
| VTable& vtable=*static_cast<VTable *>(r.self); | |
| Table& old_table=*vtable.get_table(); | |
| Table& new_table=*new(pool) Table(pool, &method_name, 0/*nameless*/); | |
| if(old_table.size()) | |
| if(int old_cols=old_table.at(0).size()) | |
| for(int column=0; column<old_cols; column++) { | |
| Array& new_row=*new(pool) Array(pool, old_table.size()); | |
| for(int i=0; i<old_table.size(); i++) { | |
| const Array& old_row=old_table.at(i); | |
| new_row+=column<old_row.size()?old_row.get(column):empty_string; | |
| } | |
| new_table+=&new_row; | |
| } | |
| vtable.set_table(new_table); | |
| } | |
| /// @todo now require \t to be clean [UL_NO] | |
| static void _append(Request& r, const String& method_name, Array *params) { | |
| Pool& pool=r.pool(); | |
| // data is last parameter | |
| Value *value=static_cast<Value *>(params->get(0)); | |
| // forcing [this body type] | |
| r.fail_if_junction_(true, *value, method_name, "body must not be junction"); | |
| const String& string=static_cast<VString *>(value)->as_string(); | |
| // parse cells | |
| Array& row=*new(pool) Array(pool); | |
| size_t pos_after=0; | |
| int pos_before; | |
| while((pos_before=string.pos("\t", pos_after))>=0) { | |
| row+=&string.piece(pos_after, pos_before); | |
| pos_after=pos_before+1/*\t*/; | |
| } | |
| // last piece | |
| if(pos_after<string.size()) | |
| row+=&string.piece(pos_after, string.size()); | |
| static_cast<VTable *>(r.self)->table()+=&row; | |
| } | |
| // initialize | // initialize |
| void initialize_table_class(Pool& pool, VStateless_class& vclass) { | void initialize_table_class(Pool& pool, VStateless_class& vclass) { |
| // ^table.set{data} | // ^table.set{data} |
| // ^table.set[nameless]{data} | // ^table.set[nameless]{data} |
| vclass.add_native_method("set", _set, 1, 2); | vclass.add_native_method("set", Method::CT_DYNAMIC, _set, 1, 2); |
| // ^table.load[file] | // ^table.load[file] |
| // ^table.load[nameless;file] | // ^table.load[nameless;file] |
| vclass.add_native_method("load", _load, 1, 2); | vclass.add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2); |
| // ^table.save[file] | // ^table.save[file] |
| // ^table.save[nameless;file] | // ^table.save[nameless;file] |
| vclass.add_native_method("save", _save, 1, 2); | vclass.add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2); |
| // ^table.count[] | // ^table.count[] |
| vclass.add_native_method("count", _count, 0, 0); | vclass.add_native_method("count", Method::CT_DYNAMIC, _count, 0, 0); |
| // ^table.line[] | // ^table.line[] |
| vclass.add_native_method("line", _line, 0, 0); | vclass.add_native_method("line", Method::CT_DYNAMIC, _line, 0, 0); |
| // ^table.offset[] | // ^table.offset[] |
| // ^table.offset[offset] | // ^table.offset[offset] |
| vclass.add_native_method("offset", _offset, 0, 1); | vclass.add_native_method("offset", Method::CT_DYNAMIC, _offset, 0, 1); |
| // ^table.menu{code} | // ^table.menu{code} |
| // ^table.menu{code}[delim] | // ^table.menu{code}[delim] |
| vclass.add_native_method("menu", _menu, 1, 2); | vclass.add_native_method("menu", Method::CT_DYNAMIC, _menu, 1, 2); |
| // ^table.empty{code-when-empty} | // ^table.empty{code-when-empty} |
| // ^table.empty{code-when-empty}{code-when-not} | // ^table.empty{code-when-empty}{code-when-not} |
| vclass.add_native_method("empty", _empty, 1, 2); | vclass.add_native_method("empty", Method::CT_DYNAMIC, _empty, 1, 2); |
| // ^table.record[] | // ^table.record[] |
| vclass.add_native_method("record", _record, 0, 0); | vclass.add_native_method("record", Method::CT_DYNAMIC, _record, 0, 0); |
| // ^table.sort{string-key-maker} ^table.sort{string-key-maker}[asc|desc] | |
| // ^table.sort(numeric-key-maker) ^table.sort(numeric-key-maker)[asc|desc] | |
| vclass.add_native_method("sort", Method::CT_DYNAMIC, _sort, 1, 2); | |
| // ^table.locate[field;value] | |
| vclass.add_native_method("locate", Method::CT_DYNAMIC, _locate, 2, 2); | |
| // ^table.found{when-found} | |
| // ^table.found{when-found}{when-not-found} | |
| vclass.add_native_method("found", Method::CT_DYNAMIC, _found, 1, 2); | |
| } | // ^table.flip[] |
| vclass.add_native_method("flip", Method::CT_DYNAMIC, _flip, 0, 0); | |
| // ^table.append{r{tab}e{tab}c{tab}o{tab}r{tab}d} | |
| vclass.add_native_method("append", Method::CT_DYNAMIC, _append, 1, 1); | |
| } |