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| version 1.3, 2001/03/12 17:16:48 | version 1.100, 2001/08/07 13:54:13 |
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| Line 1 | Line 1 |
| /* | /** @file |
| Parser | Parser: @b table parser class. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) |
| */ | */ |
| static const char *RCSId="$Id$"; | |
| #include "pa_config_includes.h" | |
| #include "pcre.h" | |
| #include "classes.h" | |
| #include "pa_common.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "_table.h" | |
| #include "pa_vtable.h" | #include "pa_vtable.h" |
| #include "pa_common.h" | #include "pa_vint.h" |
| #include "pa_sql_connection.h" | |
| #include "pa_dir.h" | |
| #include "pa_vbool.h" | |
| // global var | // defines |
| VClass *table_class; | #define TABLE_CLASS_NAME "table" |
| // methods | // class |
| class MTable : public Methoded { | |
| public: // VStateless_class | |
| Value *create_new_value(Pool& pool) { return new(pool) VTable(pool); } | |
| public: | |
| MTable(Pool& pool); | |
| // TODO: проверить ^set в ^menu & co | public: // Methoded |
| bool used_directly() { return true; } | |
| }; | |
| // methods | |
| static void set_or_load( | static void _set(Request& r, const String& method_name, MethodParams *params) { |
| Request& r, | |
| const String& method_name, Array *params, | |
| bool is_load) { | |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| // data is last parameter | // data is last parameter |
| Value *vdata=static_cast<Value *>(params->get(params->size()-1)); | Value& vdata=params->as_junction(params->size()-1, "body must be code"); |
| r.fail_if_junction_(true, *vdata, | |
| method_name, "body must not be a junction"); | Temp_lang temp_lang(r, String::UL_PASS_APPENDED); |
| const String& data=r.process(vdata).as_string(); | |
| // data or file_name | |
| char *data_or_filename=vdata->as_string().cstr(); | size_t pos_after=0; |
| // data | // parse columns |
| char *data=is_load?file_read(pool, r.absolute(data_or_filename)):data_or_filename; | Array *columns; |
| if(params->size()==2) { | |
| columns=0; | |
| } else { | |
| columns=new(pool) Array(pool); | |
| Array head(pool); | |
| data.split(head, &pos_after, "\n", 1, String::UL_CLEAN, 1); | |
| if(head.size()) | |
| head.get_string(0)->split(*columns, 0, "\t", 1, String::UL_CLEAN); | |
| } | |
| Table& table=*new(pool) Table(pool, &method_name, columns); | |
| // parse cells | |
| Array rows(pool); | |
| data.split(rows, &pos_after, "\n", 1, String::UL_CLEAN); | |
| Array_iter i(rows); | |
| while(i.has_next()) { | |
| Array& row=*new(pool) Array(pool); | |
| const String& string=*i.next_string(); | |
| // remove empty lines | |
| if(!string.size()) | |
| continue; | |
| string.split(row, 0, "\t", 1, String::UL_CLEAN); | |
| table+=&row; | |
| } | |
| // replace any previous table value | |
| static_cast<VTable *>(r.self)->set_table(table); | |
| } | |
| static void _load(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| // filename is last parameter | |
| Value& vfilename=params->as_no_junction(params->size()-1, | |
| "file name must not be code"); | |
| // loading text | |
| char *data=file_read_text(pool, r.absolute(vfilename.as_string())); | |
| // parse columns | // parse columns |
| Array *columns; | Array *columns; |
| Line 50 static void set_or_load( | Line 105 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_TAINTED(lsplit(&row_chars, '\t'), 0, file, line++); |
| *columns+=name; | *columns+=name; |
| } while(row_chars); | } while(row_chars); |
| } | } |
| // parse cells | // parse cells |
| Table& table=*new(pool) Table(pool, method_name, columns); | Table& table=*new(pool) Table(pool, &method_name, columns); |
| char *row_chars; | char *row_chars; |
| while(row_chars=getrow(&data)) { | while(row_chars=getrow(&data)) { |
| if(!*row_chars) // remove empty lines | |
| continue; | |
| 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_TAINTED(cell_chars, 0, file, line); |
| *row+=cell; | *row+=cell; |
| } | } |
| line++; | line++; |
| Line 70 static void set_or_load( | Line 127 static void set_or_load( |
| }; | }; |
| // replace any previous table value | // replace any previous table value |
| r.self->as_vtable().set_table(table); | static_cast<VTable *>(r.self)->set_table(table); |
| } | } |
| static Table *fill_month_days(Request& r, | |
| const String& method_name, MethodParams *params, bool rus){ | |
| Pool& pool=r.pool(); | |
| Table *result=new(pool) Table(pool, &method_name, 0/*&columns*/); | |
| int year=params->as_int(1, r); | |
| int month=max(1, min(params->as_int(2, r), 12)) -1; | |
| static void _set(Request& r, const String& method_name, Array *params) { | tm tmIn={0, 0, 0, 1, month, year-1900}; |
| set_or_load(r, method_name, params, false); | time_t t=mktime(&tmIn); |
| if(t<0) | |
| PTHROW(0, 0, | |
| &method_name, | |
| "invalid date"); | |
| tm *tmOut=localtime(&t); | |
| int weekDay1=tmOut->tm_wday; | |
| if(rus) | |
| weekDay1=weekDay1?weekDay1-1:6; //sunday last | |
| int monthDays=getMonthDays(year, month); | |
| for(int _day=1-weekDay1; _day<=monthDays;) { | |
| Array& row=*new(pool) Array(pool, 7); | |
| for(int wday=0; wday<7; wday++, _day++) { | |
| String *cell=new(pool) String(pool); | |
| if(_day>=1 && _day<=monthDays) { | |
| char *buf=(char *)malloc(2+1); | |
| cell->APPEND_CLEAN(buf, sprintf(buf, "%02d", _day), | |
| method_name.origin().file, method_name.origin().line); | |
| } | |
| row+=cell; | |
| } | |
| *result+=&row; | |
| } | |
| return result; | |
| } | } |
| static void _load(Request& r, const String& method_name, Array *params) { | static Table *fill_week_days(Request& r, |
| set_or_load(r, method_name, params, true); | const String& method_name, MethodParams *params, bool rus){ |
| Pool& pool=r.pool(); | |
| Array& columns=*new(pool) Array(pool, 4); | |
| columns+=new(pool) String(pool, "year"); | |
| columns+=new(pool) String(pool, "month"); | |
| columns+=new(pool) String(pool, "day"); | |
| columns+=new(pool) String(pool, "weekday"); | |
| Table *result=new(pool) Table(pool, &method_name, &columns); | |
| int year=params->as_int(1, r); | |
| int month=max(1, min(params->as_int(2, r), 12)) -1; | |
| int day=params->as_int(3, r); | |
| tm tmIn={0, 0, 18, day, month, year-1900}; | |
| time_t t=mktime(&tmIn); | |
| if(t<0) | |
| PTHROW(0, 0, | |
| &method_name, | |
| "invalid date"); | |
| tm *tmOut=localtime(&t); | |
| int baseWeekDay=tmOut->tm_wday; | |
| if(rus) | |
| baseWeekDay=baseWeekDay?baseWeekDay-1:6; //sunday last | |
| t-=baseWeekDay*SECS_PER_DAY; | |
| for(int curWeekDay=0; curWeekDay<7; curWeekDay++, t+=SECS_PER_DAY) { | |
| tm *tmOut=localtime(&t); | |
| Array& row=*new(pool) Array(pool, 4); | |
| #define WDFILL(size, value) { \ | |
| char *buf=(char *)malloc(size+1); \ | |
| String *cell=new(pool) String(pool); \ | |
| cell->APPEND_CLEAN(buf, sprintf(buf, "%0"#size"d", value), \ | |
| method_name.origin().file, \ | |
| method_name.origin().line); \ | |
| row+=cell; \ | |
| } | |
| WDFILL(4, 1900+tmOut->tm_year); | |
| WDFILL(2, 1+tmOut->tm_mon); | |
| WDFILL(2, tmOut->tm_mday); | |
| WDFILL(2, tmOut->tm_wday); | |
| *result+=&row; | |
| } | |
| return result; | |
| } | |
| static void _calendar(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| const String& what=params->as_string(0, "format must be strig"); | |
| bool rus=false; | |
| if(what=="rus") | |
| rus=true; | |
| else if(what=="eng") | |
| rus=false; | |
| else | |
| PTHROW(0, 0, | |
| &what, | |
| "must be rus|eng"); | |
| Table *result=0; | |
| if(params->size()==1+2) | |
| result=fill_month_days(r, method_name, params, rus); | |
| else // 1+3 | |
| result=fill_week_days(r, method_name, params, rus); | |
| // replace any previous table value | |
| static_cast<VTable *>(r.self)->set_table(*result); | |
| } | } |
| void initialize_table_class(Pool& pool, VClass& vclass) { | |
| // ^table.set[data] ^table.set[nameless;data] | |
| vclass.add_native_method("set", _set, 1, 2); | |
| // ^table.load[data] ^table.load[nameless;data] | |
| vclass.add_native_method("load", _load, 1, 2); | |
| } | static void _save(Request& r, const String& method_name, MethodParams *params) { |
| Pool& pool=r.pool(); | |
| Value& vtable_name=params->as_no_junction(params->size()-1, | |
| "file name must not be code"); | |
| Table& table=static_cast<VTable *>(r.self)->table(); | |
| String sdata(pool); | |
| if(params->size()==1) { // not nameless=named output | |
| // write out names line | |
| if(table.columns()) { // named table | |
| Array_iter i(*table.columns()); | |
| while(i.has_next()) { | |
| sdata.append(*i.next_string(), //*static_cast<String *>(table.columns()->quick_get(column)), | |
| String::UL_TABLE); | |
| if(i.has_next()) | |
| sdata.APPEND_CONST("\t"); | |
| } | |
| } else { // nameless table | |
| if(int lsize=table.size()?static_cast<Array *>(table.get(0))->size():0) | |
| for(int column=0; column<lsize; column++) { | |
| char *cindex_tab=(char *)malloc(MAX_NUMBER); | |
| snprintf(cindex_tab, MAX_NUMBER, "%d\t", column); | |
| sdata.APPEND_CONST(cindex_tab); | |
| } | |
| else | |
| sdata.APPEND_CONST("empty nameless table"); | |
| } | |
| sdata.APPEND_CONST("\n"); | |
| } | |
| // data lines | |
| Array_iter i(table); | |
| while(i.has_next()) { | |
| Array_iter c(*static_cast<Array *>(i.next())); | |
| while(c.has_next()) { | |
| sdata.append(*c.next_string(), //*static_cast<String *>(row->quick_get(column)), | |
| String::UL_TABLE); | |
| if(c.has_next()) | |
| sdata.APPEND_CONST("\t"); | |
| } | |
| sdata.APPEND_CONST("\n"); | |
| } | |
| // write | |
| file_write(pool, r.absolute(vtable_name.as_string()), | |
| sdata.cstr(), sdata.size(), true); | |
| } | |
| static void _count(Request& r, const String& method_name, MethodParams *) { | |
| Pool& pool=r.pool(); | |
| Value& value=*new(pool) VInt(pool, static_cast<VTable *>(r.self)->table().size()); | |
| value.set_name(method_name); | |
| r.write_no_lang(value); | |
| } | |
| static void _line(Request& r, const String& method_name, MethodParams *) { | |
| Pool& pool=r.pool(); | |
| Value& value=*new(pool) VInt(pool, 1+static_cast<VTable *>(r.self)->table().current()); | |
| value.set_name(method_name); | |
| r.write_no_lang(value); | |
| } | |
| static void _offset(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| Table& table=static_cast<VTable *>(r.self)->table(); | |
| if(params->size()) { | |
| Value& offset_expr=params->as_junction(0, "offset must be expression"); | |
| table.shift(r.process(offset_expr).as_int()); | |
| } else { | |
| Value& value=*new(pool) VInt(pool, table.current()); | |
| value.set_name(method_name); | |
| r.write_no_lang(value); | |
| } | |
| } | |
| static void _menu(Request& r, const String& method_name, MethodParams *params) { | |
| Value& body_code=params->as_junction(0, "body must be code"); | |
| Value *delim_code=params->size()==2?¶ms->get(1):0; | |
| VTable& vtable=*static_cast<VTable *>(r.self); | |
| Table& table=vtable.table(); | |
| bool need_delim=false; | |
| int saved_current=table.current(); | |
| int size=table.size(); | |
| for(int row=0; row<size; row++) { | |
| table.set_current(row); | |
| Value& processed_body=r.process(body_code); | |
| if(delim_code) { // delimiter set? | |
| const String *string=processed_body.get_string(); | |
| if(need_delim && string && string->size()) // need delim & iteration produced string? | |
| r.write_pass_lang(r.process(*delim_code)); | |
| need_delim=true; | |
| } | |
| r.write_pass_lang(processed_body); | |
| } | |
| table.set_current(saved_current); | |
| } | |
| static void _empty(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| Table& table=static_cast<VTable *>(r.self)->table(); | |
| r.write_no_lang(*new(pool) VBool(pool, table.size()==0)); | |
| } | |
| /// used by table: _hash / table_row_to_hash | |
| struct Row_info { | |
| Table *table; | |
| int key_field; | |
| Array *value_fields; | |
| Hash *hash; | |
| }; | |
| static void table_row_to_hash(Array::Item *value, void *info) { | |
| Array& row=*static_cast<Array *>(value); | |
| Row_info& ri=*static_cast<Row_info *>(info); | |
| Pool& pool=ri.table->pool(); | |
| if(ri.key_field<row.size()) { | |
| VHash& result=*new(pool) VHash(pool); | |
| Hash& hash=*result.get_hash(); | |
| for(int i=0; i<ri.value_fields->size(); i++) { | |
| int value_field=ri.value_fields->get_int(i); | |
| if(value_field<row.size()) | |
| hash.put( | |
| *ri.table->columns()->get_string(value_field), | |
| new(pool) VString(*row.get_string(value_field))); | |
| } | |
| ri.hash->put(*row.get_string(ri.key_field), &result); | |
| } | |
| } | |
| static void _hash(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| Table& table=static_cast<VTable *>(r.self)->table(); | |
| Value& result=*new(pool) VHash(pool); | |
| if(const Array *columns=table.columns()) | |
| if(columns->size()>1) { | |
| const String& key_field_name=params->as_no_junction(0, | |
| "key field name must not be code").as_string(); | |
| int key_field=table.column_name2index(key_field_name, true); | |
| int value_fields_count=params->size()-1; | |
| bool value_fields_by_params=value_fields_count!=0; | |
| if(!value_fields_by_params) | |
| value_fields_count=columns->size()-1; // all columns except key | |
| Array value_fields(pool, value_fields_count); | |
| if(value_fields_by_params) { | |
| for(int i=1; i<params->size(); i++) { | |
| const String& value_field_name=params->as_no_junction(i, | |
| "value field name must not be code").as_string(); | |
| value_fields+=table.column_name2index(value_field_name, true); | |
| } | |
| } else { // by all columns except key | |
| for(int i=0; i<columns->size(); i++) | |
| if(i!=key_field) | |
| value_fields+=i; | |
| } | |
| // integers: key_field & value_fields | |
| Row_info row_info={&table, key_field, &value_fields, result.get_hash()}; | |
| table.for_each(table_row_to_hash, &row_info); | |
| } | |
| result.set_name(method_name); | |
| r.write_no_lang(result); | |
| } | |
| /// used by table: _sort / sort_cmp_string|sort_cmp_double | |
| struct Table_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 Table_seq_item *>(a)->value.c_str, | |
| static_cast<const Table_seq_item *>(b)->value.c_str | |
| ); | |
| } | |
| static int sort_cmp_double(const void *a, const void *b) { | |
| double va=static_cast<const Table_seq_item *>(a)->value.d; | |
| double vb=static_cast<const Table_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, MethodParams *params) { | |
| Value& key_maker=params->as_junction(0, "key-maker must be code"); | |
| bool reverse=params->size()==2/*..[asc|desc]*/? | |
| reverse=params->as_no_junction(1, "order must not be code").as_string()=="desc": | |
| false; | |
| Table& table=static_cast<VTable *>(r.self)->table(); | |
| // anything to sort? | |
| if(!table.size()) | |
| return; | |
| Table_seq_item *seq=(Table_seq_item *)malloc(sizeof(Table_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=(MethodParams *)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(Table_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, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| VTable& vtable=*static_cast<VTable *>(r.self); | |
| Table& table=vtable.table(); | |
| Value& result=*new(pool) VBool(pool, table.locate( | |
| params->get(0).as_string(), | |
| params->get(1).as_string())); | |
| result.set_name(method_name); | |
| r.write_no_lang(result); | |
| } | |
| static void _flip(Request& r, const String& method_name, MethodParams *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; | |
| } | |
| r.write_no_lang(*new(pool) VTable(pool, &new_table)); | |
| } | |
| static void _append(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| // data is last parameter | |
| const String& string= | |
| r.process(params->as_junction(0, "body must be code")).as_string(); | |
| // parse cells | |
| Array& row=*new(pool) Array(pool); | |
| string.split(row, 0, "\t", 1, String::UL_CLEAN); | |
| VTable& vtable=*static_cast<VTable *>(r.self); | |
| vtable.table()+=&row; | |
| } | |
| static void _join(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| Table *maybe_src=params->as_no_junction(0, "table ref must not be code").get_table(); | |
| if(!maybe_src) | |
| PTHROW(0, 0, | |
| &method_name, | |
| "source is not a table"); | |
| Table& src=*maybe_src; | |
| Table& dest=static_cast<VTable *>(r.self)->table(); | |
| if(&src == &dest) | |
| PTHROW(0, 0, | |
| &method_name, | |
| "source and destination are same table"); | |
| if(const Array *dest_columns=dest.columns()) { // dest is named | |
| int saved_src_current=src.current(); | |
| for(int src_row=0; src_row<src.size(); src_row++) { | |
| src.set_current(src_row); | |
| Array& dest_row=*new(pool) Array(pool); | |
| for(int dest_column=0; dest_column<dest_columns->size(); dest_column++) | |
| dest_row+=src.item(*dest_columns->get_string(dest_column)); | |
| dest+=&dest_row; | |
| } | |
| src.set_current(saved_src_current); | |
| } else { // dest is nameless | |
| for(int src_row=0; src_row<src.size(); src_row++) | |
| dest+=&src.at(src_row); | |
| } | |
| } | |
| #ifndef DOXYGEN | |
| class Table_sql_event_handlers : public SQL_Driver_query_event_handlers { | |
| public: | |
| Table_sql_event_handlers(Pool& apool, const String& amethod_name, | |
| const String& astatement_string, const char *astatement_cstr) : | |
| pool(apool), | |
| method_name(amethod_name), | |
| statement_string(astatement_string), | |
| statement_cstr(astatement_cstr), | |
| columns(*new(pool) Array(pool)), | |
| row(0), row_index(0), | |
| table(0) | |
| { | |
| } | |
| void add_column(void *ptr, size_t size) { | |
| String *column=new(pool) String(pool); | |
| column->APPEND_TAINTED( | |
| (const char *)ptr, size, | |
| statement_cstr, 0); | |
| columns+=column; | |
| } | |
| void before_rows() { | |
| table=new(pool) Table(pool, &method_name, &columns); | |
| } | |
| void add_row() { | |
| (*table)+=(row=new(pool) Array(pool)); | |
| } | |
| void add_row_cell(void *ptr, size_t size) { | |
| String *cell=new(pool) String(pool); | |
| if(size) | |
| cell->APPEND_TAINTED( | |
| (const char *)ptr, size, | |
| statement_cstr, row_index++); | |
| (*row)+=cell; | |
| } | |
| private: | |
| Pool& pool; | |
| const String& method_name; | |
| const String& statement_string; const char *statement_cstr; | |
| Array& columns; | |
| Array *row; | |
| uint row_index; | |
| public: | |
| Table *table; | |
| }; | |
| #endif | |
| static void _sql(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| if(!r.connection) | |
| PTHROW(0, 0, | |
| &method_name, | |
| "without connect"); | |
| Value& statement=params->as_junction(0, "statement must be code"); | |
| ulong limit=0; | |
| ulong offset=0; | |
| if(params->size()>1) { | |
| Value& options_param=params->as_no_junction(1, "options must be hash, not code"); | |
| if(Hash *options=options_param.get_hash()) { | |
| if(Value *vlimit=(Value *)options->get(*sql_limit_name)) | |
| limit=(ulong)r.process(*vlimit).as_double(); | |
| if(Value *voffset=(Value *)options->get(*sql_offset_name)) | |
| offset=(ulong)r.process(*voffset).as_double(); | |
| } else | |
| PTHROW(0, 0, | |
| &method_name, | |
| "options must be hash"); | |
| } | |
| Temp_lang temp_lang(r, String::UL_SQL); | |
| const String& statement_string=r.process(statement).as_string(); | |
| const char *statement_cstr= | |
| statement_string.cstr(String::UL_UNSPECIFIED, r.connection); | |
| Table_sql_event_handlers handlers(pool, method_name, | |
| statement_string, statement_cstr); | |
| bool need_rethrow=false; Exception rethrow_me; | |
| PTRY { | |
| r.connection->query( | |
| statement_cstr, offset, limit, | |
| handlers); | |
| } | |
| PCATCH(e) { // query problem | |
| rethrow_me=e; need_rethrow=true; | |
| } | |
| PEND_CATCH | |
| if(need_rethrow) | |
| PTHROW(rethrow_me.type(), rethrow_me.code(), | |
| &statement_string, // setting more specific source [were url] | |
| rethrow_me.comment()); | |
| Table *result= | |
| handlers.table?handlers.table: // query resulted in table? return it | |
| new(pool) Table(pool, &method_name, 0); // query returned no table, fake it | |
| // replace any previous table value | |
| static_cast<VTable *>(r.self)->set_table(*result); | |
| } | |
| static void _dir(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| Value& relative_path=params->as_no_junction(0, "path must not be code"); | |
| const String *regexp; | |
| pcre *regexp_code; | |
| int ovecsize; | |
| int *ovector; | |
| if(params->size()>1) { | |
| regexp=¶ms->as_no_junction(1, "regexp must not be code").as_string(); | |
| const char *pattern=regexp->cstr(String::UL_AS_IS); | |
| const char *errptr; | |
| int erroffset; | |
| regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL, | |
| &errptr, &erroffset, | |
| r.pcre_tables); | |
| if(!regexp_code) | |
| PTHROW(0, 0, | |
| ®exp->mid(erroffset, regexp->size()), | |
| "regular expression syntax error - %s", errptr); | |
| ovector=(int *)malloc(sizeof(int)*(ovecsize=(1/*match*/)*3)); | |
| } else | |
| regexp_code=0; | |
| const char* absolute_path_cstr=r.absolute(relative_path.as_string()) | |
| .cstr(String::UL_FILE_NAME); | |
| Array& columns=*new(pool) Array(pool); | |
| columns+=new(pool) String(pool, "name"); | |
| Table& table=*new(pool) Table(pool, &method_name, &columns); | |
| LOAD_DIR(absolute_path_cstr, | |
| size_t file_name_size=strlen(ffblk.ff_name); | |
| bool suits=true; | |
| if(regexp_code) { | |
| int exec_result=pcre_exec(regexp_code, 0, | |
| ffblk.ff_name, file_name_size, 0, | |
| 0, ovector, ovecsize); | |
| if(exec_result==PCRE_ERROR_NOMATCH) | |
| suits=false; | |
| else if(exec_result<0) { | |
| (*pcre_free)(regexp_code); | |
| PTHROW(0, 0, | |
| regexp, | |
| "regular expression execute (%d)", | |
| exec_result); | |
| } | |
| } | |
| if(suits) { | |
| char *file_name_cstr=(char *)r.malloc(file_name_size); | |
| memcpy(file_name_cstr, ffblk.ff_name, file_name_size); | |
| String &file_name=*new(pool) String(pool); | |
| file_name.APPEND(file_name_cstr, file_name_size, String::UL_FILE_NAME, | |
| method_name.origin().file, method_name.origin().line); | |
| Array& row=*new(pool) Array(pool); | |
| row+=&file_name; | |
| table+=&row; | |
| } | |
| ); | |
| if(regexp_code) | |
| (*pcre_free)(regexp_code); | |
| // replace any previous table value | |
| static_cast<VTable *>(r.self)->set_table(table); | |
| } | |
| static void _columns(Request& r, const String& method_name, MethodParams *) { | |
| Pool& pool=r.pool(); | |
| Array& result_columns=*new(pool) Array(pool); | |
| result_columns+=new(pool) String(pool, "column"); | |
| Table& result_table=*new(pool) Table(pool, &method_name, &result_columns); | |
| Table& source_table=static_cast<VTable *>(r.self)->table(); | |
| if(const Array *source_columns=source_table.columns()) { | |
| Array_iter i(*source_columns); | |
| while(i.has_next()) { | |
| Array& result_row=*new(pool) Array(pool); | |
| result_row+=i.next(); | |
| result_table+=&result_row; | |
| } | |
| } | |
| VTable& result=*new(pool) VTable(pool, &result_table); | |
| result.set_name(method_name); | |
| r.write_no_lang(result); | |
| } | |
| // constructor | |
| MTable::MTable(Pool& apool) : Methoded(apool) { | |
| set_name(*NEW String(pool(), TABLE_CLASS_NAME)); | |
| // ^table:set{data} | |
| // ^table:set[nameless]{data} | |
| add_native_method("set", Method::CT_DYNAMIC, _set, 1, 2); | |
| // ^table:load[file] | |
| // ^table:load[nameless;file] | |
| add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2); | |
| // ^table:calendar[month|montheng;year;month] | |
| // ^table:calendar[week|weekeng;year;month;day] | |
| add_native_method("calendar", Method::CT_DYNAMIC, _calendar, 3, 4); | |
| // ^table.save[file] | |
| // ^table.save[nameless;file] | |
| add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2); | |
| // ^table.count[] | |
| add_native_method("count", Method::CT_DYNAMIC, _count, 0, 0); | |
| // ^table.line[] | |
| add_native_method("line", Method::CT_DYNAMIC, _line, 0, 0); | |
| // ^table.offset[] | |
| // ^table.offset[offset] | |
| add_native_method("offset", Method::CT_DYNAMIC, _offset, 0, 1); | |
| // ^table.menu{code} | |
| // ^table.menu{code}[delim] | |
| add_native_method("menu", Method::CT_DYNAMIC, _menu, 1, 2); | |
| // ^table.empty[] | |
| add_native_method("empty", Method::CT_DYNAMIC, _empty, 0, 0); | |
| // ^table:hash[key field name] | |
| // ^table:hash[key field name][value field name;...] | |
| add_native_method("hash", Method::CT_DYNAMIC, _hash, 1, 1000); | |
| // ^table.sort{string-key-maker} ^table.sort{string-key-maker}[asc|desc] | |
| // ^table.sort(numeric-key-maker) ^table.sort(numeric-key-maker)[asc|desc] | |
| add_native_method("sort", Method::CT_DYNAMIC, _sort, 1, 2); | |
| // ^table.locate[field;value] | |
| add_native_method("locate", Method::CT_DYNAMIC, _locate, 2, 2); | |
| // ^table.flip[] | |
| add_native_method("flip", Method::CT_DYNAMIC, _flip, 0, 0); | |
| // ^table.append{r{tab}e{tab}c{tab}o{tab}r{tab}d} | |
| add_native_method("append", Method::CT_DYNAMIC, _append, 1, 1); | |
| // ^table.join[table] | |
| add_native_method("join", Method::CT_DYNAMIC, _join, 1, 1); | |
| // ^table:sql[query] | |
| // ^table:sql[query][$.limit(1) $.offset(2)] | |
| add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2); | |
| // ^table:dir[path] | |
| // ^table:dir[path][regexp] | |
| add_native_method("dir", Method::CT_DYNAMIC, _dir, 1, 2); | |
| // ^table:columns[] | |
| add_native_method("columns", Method::CT_DYNAMIC, _columns, 0, 0); | |
| } | |
| // global variable | |
| Methoded *table_class; | |
| // creator | |
| Methoded *MTable_create(Pool& pool) { | |
| return table_class=new(pool) MTable(pool); | |
| } |