Annotation of parser3/src/classes/table.C, revision 1.132
1.20 paf 1: /** @file
1.47 paf 2: Parser: @b table parser class.
1.20 paf 3:
1.1 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.130 paf 5: Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
1.20 paf 6:
1.132 ! paf 7: $Id: table.C,v 1.131 2001/11/20 17:58:47 paf Exp $
1.1 paf 8: */
9:
1.105 parser 10: #include "classes.h"
1.24 paf 11: #include "pa_config_includes.h"
1.16 paf 12: #include "pa_common.h"
1.1 paf 13: #include "pa_request.h"
14: #include "pa_vtable.h"
1.6 paf 15: #include "pa_vint.h"
1.51 paf 16: #include "pa_sql_connection.h"
1.72 paf 17: #include "pa_vbool.h"
1.1 paf 18:
1.66 paf 19: // defines
1.1 paf 20:
1.66 paf 21: #define TABLE_CLASS_NAME "table"
22:
23: // class
24:
25: class MTable : public Methoded {
26: public: // VStateless_class
27: Value *create_new_value(Pool& pool) { return new(pool) VTable(pool); }
28:
29: public:
30: MTable(Pool& pool);
1.70 paf 31:
32: public: // Methoded
1.66 paf 33: bool used_directly() { return true; }
34: };
1.1 paf 35:
36: // methods
1.66 paf 37:
1.61 paf 38: static void _set(Request& r, const String& method_name, MethodParams *params) {
1.1 paf 39: Pool& pool=r.pool();
40: // data is last parameter
1.45 paf 41: Temp_lang temp_lang(r, String::UL_PASS_APPENDED);
1.132 ! paf 42: const String& data=
! 43: r.process(params->as_junction(params->size()-1, "body must be code")).as_string();
1.44 paf 44:
45: size_t pos_after=0;
46: // parse columns
47: Array *columns;
48: if(params->size()==2) {
49: columns=0;
1.21 paf 50: } else {
1.44 paf 51: columns=new(pool) Array(pool);
52:
53: Array head(pool);
54: data.split(head, &pos_after, "\n", 1, String::UL_CLEAN, 1);
55: if(head.size())
56: head.get_string(0)->split(*columns, 0, "\t", 1, String::UL_CLEAN);
57: }
58:
59: Table& table=*new(pool) Table(pool, &method_name, columns);
60: // parse cells
61: Array rows(pool);
62: data.split(rows, &pos_after, "\n", 1, String::UL_CLEAN);
1.98 parser 63: Array_iter i(rows);
64: while(i.has_next()) {
1.44 paf 65: Array& row=*new(pool) Array(pool);
1.98 parser 66: const String& string=*i.next_string();
1.118 parser 67: // remove comment lines
68: if(!string.size())
1.44 paf 69: continue;
70:
71: string.split(row, 0, "\t", 1, String::UL_CLEAN);
72: table+=&row;
1.17 paf 73: }
1.1 paf 74:
1.44 paf 75: // replace any previous table value
76: static_cast<VTable *>(r.self)->set_table(table);
77: }
78:
1.61 paf 79: static void _load(Request& r, const String& method_name, MethodParams *params) {
1.44 paf 80: Pool& pool=r.pool();
81: // filename is last parameter
1.125 parser 82: Value& vfile_name=params->as_no_junction(params->size()-1,
1.61 paf 83: "file name must not be code");
1.44 paf 84:
85: // loading text
1.125 parser 86: char *data=file_read_text(pool, r.absolute(vfile_name.as_string()));
1.44 paf 87:
1.1 paf 88: // parse columns
89: Array *columns;
90: #ifndef NO_STRING_ORIGIN
91: const Origin& origin=method_name.origin();
1.2 paf 92: const char *file=origin.file;
1.1 paf 93: uint line=origin.line;
94: #endif
95: if(params->size()==2) {
96: columns=0;
97: } else {
98: columns=new(pool) Array(pool);
99:
100: if(char *row_chars=getrow(&data))
101: do {
102: String *name=new(pool) String(pool);
1.45 paf 103: name->APPEND_TAINTED(lsplit(&row_chars, '\t'), 0, file, line++);
1.1 paf 104: *columns+=name;
105: } while(row_chars);
106: }
107:
108: // parse cells
1.27 paf 109: Table& table=*new(pool) Table(pool, &method_name, columns);
1.1 paf 110: char *row_chars;
111: while(row_chars=getrow(&data)) {
1.118 parser 112: // remove empty&comment lines
113: if(!*row_chars || *row_chars == '#')
1.28 paf 114: continue;
1.1 paf 115: Array *row=new(pool) Array(pool);
116: while(char *cell_chars=lsplit(&row_chars, '\t')) {
117: String *cell=new(pool) String(pool);
1.44 paf 118: cell->APPEND_TAINTED(cell_chars, 0, file, line);
1.1 paf 119: *row+=cell;
120: }
1.107 parser 121: #ifndef NO_STRING_ORIGIN
1.1 paf 122: line++;
1.107 parser 123: #endif
1.1 paf 124: table+=row;
125: };
126:
127: // replace any previous table value
1.18 paf 128: static_cast<VTable *>(r.self)->set_table(table);
1.1 paf 129: }
1.2 paf 130:
1.129 paf 131: /// @todo "z\nz" "zzz""zz"
1.61 paf 132: static void _save(Request& r, const String& method_name, MethodParams *params) {
1.22 paf 133: Pool& pool=r.pool();
1.125 parser 134: Value& vfile_name=params->as_no_junction(params->size()-1,
1.61 paf 135: "file name must not be code");
1.22 paf 136:
1.31 paf 137: Table& table=static_cast<VTable *>(r.self)->table();
138:
1.129 paf 139: bool do_append=false;
1.31 paf 140: String sdata(pool);
1.129 paf 141: if(params->size()==1) { // named output
1.31 paf 142: // write out names line
143: if(table.columns()) { // named table
1.98 parser 144: Array_iter i(*table.columns());
145: while(i.has_next()) {
146: sdata.append(*i.next_string(), //*static_cast<String *>(table.columns()->quick_get(column)),
147: String::UL_TABLE);
148: if(i.has_next())
1.31 paf 149: sdata.APPEND_CONST("\t");
150: }
151: } else { // nameless table
1.98 parser 152: if(int lsize=table.size()?static_cast<Array *>(table.get(0))->size():0)
1.31 paf 153: for(int column=0; column<lsize; column++) {
1.106 parser 154: char *cindex_tab=(char *)pool.malloc(MAX_NUMBER);
1.31 paf 155: snprintf(cindex_tab, MAX_NUMBER, "%d\t", column);
156: sdata.APPEND_CONST(cindex_tab);
157: }
158: else
159: sdata.APPEND_CONST("empty nameless table");
160: }
161: sdata.APPEND_CONST("\n");
1.129 paf 162: } else { // mode specified
163: const String& mode=params->as_string(0, "mode must be string");
164: if(mode=="append")
165: do_append=true;
166: else if(mode=="nameless")
167: /*ok, already skipped names output*/;
168: else
169: throw Exception(0, 0,
170: &mode,
171: "unknown mode, must be 'append'");
172:
1.31 paf 173: }
174: // data lines
1.98 parser 175: Array_iter i(table);
176: while(i.has_next()) {
177: Array_iter c(*static_cast<Array *>(i.next()));
178: while(c.has_next()) {
179: sdata.append(*c.next_string(), //*static_cast<String *>(row->quick_get(column)),
180: String::UL_TABLE);
181: if(c.has_next())
1.31 paf 182: sdata.APPEND_CONST("\t");
183: }
184: sdata.APPEND_CONST("\n");
185: }
186:
187: // write
1.125 parser 188: file_write(pool, r.absolute(vfile_name.as_string()),
1.129 paf 189: sdata.cstr(), sdata.size(), true, do_append);
1.22 paf 190: }
191:
1.93 parser 192: static void _count(Request& r, const String& method_name, MethodParams *) {
1.6 paf 193: Pool& pool=r.pool();
1.18 paf 194: Value& value=*new(pool) VInt(pool, static_cast<VTable *>(r.self)->table().size());
1.93 parser 195: value.set_name(method_name);
1.15 paf 196: r.write_no_lang(value);
1.6 paf 197: }
198:
1.61 paf 199: static void _line(Request& r, const String& method_name, MethodParams *) {
1.6 paf 200: Pool& pool=r.pool();
1.37 paf 201: Value& value=*new(pool) VInt(pool, 1+static_cast<VTable *>(r.self)->table().current());
1.93 parser 202: value.set_name(method_name);
1.15 paf 203: r.write_no_lang(value);
1.6 paf 204: }
205:
1.61 paf 206: static void _offset(Request& r, const String& method_name, MethodParams *params) {
1.6 paf 207: Pool& pool=r.pool();
1.18 paf 208: Table& table=static_cast<VTable *>(r.self)->table();
1.74 paf 209: if(params->size()) {
1.90 parser 210: Value& offset_expr=params->as_junction(0, "offset must be expression");
1.80 parser 211: table.shift(r.process(offset_expr).as_int());
1.74 paf 212: } else {
1.37 paf 213: Value& value=*new(pool) VInt(pool, table.current());
1.93 parser 214: value.set_name(method_name);
1.15 paf 215: r.write_no_lang(value);
1.6 paf 216: }
217: }
218:
1.61 paf 219: static void _menu(Request& r, const String& method_name, MethodParams *params) {
1.90 parser 220: Value& body_code=params->as_junction(0, "body must be code");
1.7 paf 221:
1.122 parser 222: Value *delim_maybe_code=params->size()>1?¶ms->get(1):0;
1.7 paf 223:
1.64 paf 224: VTable& vtable=*static_cast<VTable *>(r.self);
225: Table& table=vtable.table();
1.7 paf 226: bool need_delim=false;
1.99 parser 227: int saved_current=table.current();
228: int size=table.size();
229: for(int row=0; row<size; row++) {
1.22 paf 230: table.set_current(row);
1.7 paf 231:
1.12 paf 232: Value& processed_body=r.process(body_code);
1.121 parser 233: if(delim_maybe_code) { // delimiter set?
1.7 paf 234: const String *string=processed_body.get_string();
235: if(need_delim && string && string->size()) // need delim & iteration produced string?
1.121 parser 236: r.write_pass_lang(r.process(*delim_maybe_code));
1.7 paf 237: need_delim=true;
238: }
239: r.write_pass_lang(processed_body);
240: }
1.99 parser 241: table.set_current(saved_current);
1.7 paf 242: }
243:
1.110 parser 244: #ifndef DOXYGEN
1.74 paf 245: struct Row_info {
246: Table *table;
247: int key_field;
248: Array *value_fields;
249: Hash *hash;
250: };
1.110 parser 251: #endif
1.74 paf 252: static void table_row_to_hash(Array::Item *value, void *info) {
253: Array& row=*static_cast<Array *>(value);
254: Row_info& ri=*static_cast<Row_info *>(info);
255: Pool& pool=ri.table->pool();
256:
1.76 paf 257: if(ri.key_field<row.size()) {
258: VHash& result=*new(pool) VHash(pool);
1.128 parser 259: Hash& hash=*result.get_hash(0);
1.74 paf 260: for(int i=0; i<ri.value_fields->size(); i++) {
261: int value_field=ri.value_fields->get_int(i);
262: if(value_field<row.size())
263: hash.put(
1.91 parser 264: *ri.table->columns()->get_string(value_field),
1.74 paf 265: new(pool) VString(*row.get_string(value_field)));
266: }
267:
1.77 paf 268: ri.hash->put(*row.get_string(ri.key_field), &result);
1.74 paf 269: }
270: }
271: static void _hash(Request& r, const String& method_name, MethodParams *params) {
1.97 parser 272: Pool& pool=r.pool();
1.123 parser 273: Table& self_table=static_cast<VTable *>(r.self)->table();
1.97 parser 274: Value& result=*new(pool) VHash(pool);
1.123 parser 275: if(const Array *columns=self_table.columns())
1.74 paf 276: if(columns->size()>1) {
1.90 parser 277: const String& key_field_name=params->as_no_junction(0,
1.74 paf 278: "key field name must not be code").as_string();
1.123 parser 279: int key_field=self_table.column_name2index(key_field_name, true);
280:
281: Array value_fields(pool);
282: if(params->size()>1) {
283: Value& value_fields_param=params->as_no_junction(1, "value field(s) must not be code");
284: if(value_fields_param.is_string()) {
285: value_fields+=self_table.column_name2index(value_fields_param.as_string(), true);
286: } else if(Table *value_fields_table=value_fields_param.get_table()) {
287: for(int i=0; i<value_fields_table->size(); i++) {
288: const String& value_field_name=
289: *static_cast<Array *>(value_fields_table->get(i))->get_string(0);
290: value_fields+=self_table.column_name2index(value_field_name, true);
291: }
292: } else
1.127 parser 293: throw Exception(0, 0,
1.123 parser 294: &method_name,
295: "value field(s) must be string or self_table"
296: );
297: } else { // by all columns, including key
1.74 paf 298: for(int i=0; i<columns->size(); i++)
1.123 parser 299: value_fields+=i;
1.74 paf 300: }
301:
302: // integers: key_field & value_fields
1.128 parser 303: Row_info row_info={&self_table, key_field, &value_fields, result.get_hash(0)};
1.123 parser 304: self_table.for_each(table_row_to_hash, &row_info);
1.74 paf 305: }
1.97 parser 306: result.set_name(method_name);
307: r.write_no_lang(result);
1.74 paf 308: }
309:
1.110 parser 310: #ifndef DOXYGEN
1.78 paf 311: struct Table_seq_item {
1.34 paf 312: Array *row;
313: union {
314: char *c_str;
315: double d;
316: } value;
1.32 paf 317: };
1.110 parser 318: #endif
1.34 paf 319: static int sort_cmp_string(const void *a, const void *b) {
320: return strcmp(
1.78 paf 321: static_cast<const Table_seq_item *>(a)->value.c_str,
322: static_cast<const Table_seq_item *>(b)->value.c_str
1.34 paf 323: );
324: }
325: static int sort_cmp_double(const void *a, const void *b) {
1.78 paf 326: double va=static_cast<const Table_seq_item *>(a)->value.d;
327: double vb=static_cast<const Table_seq_item *>(b)->value.d;
1.34 paf 328: if(va<vb)
329: return -1;
330: else if(va>vb)
331: return +1;
332: else
333: return 0;
334: }
1.61 paf 335: static void _sort(Request& r, const String& method_name, MethodParams *params) {
1.101 parser 336: Pool& pool=r.pool();
1.90 parser 337: Value& key_maker=params->as_junction(0, "key-maker must be code");
1.61 paf 338:
1.122 parser 339: bool reverse=params->size()>1/*..[desc|asc|]*/?
1.103 parser 340: reverse=params->as_no_junction(1, "order must not be code").as_string()=="desc":
1.104 parser 341: false; // default=asc
1.32 paf 342:
1.101 parser 343: Table& old_table=static_cast<VTable *>(r.self)->table();
344: Table& new_table=*new(pool) Table(pool, &method_name, old_table.columns());
1.34 paf 345:
1.101 parser 346: Table_seq_item *seq=(Table_seq_item *)pool.malloc(sizeof(Table_seq_item)*old_table.size());
1.34 paf 347: int i;
348:
349: // calculate key values
350: bool key_values_are_strings=true;
1.101 parser 351: // save 'current'
352: int saved_current=old_table.current();
353: for(i=0; i<old_table.size(); i++) {
354: old_table.set_current(i);
1.32 paf 355: // calculate key value
1.101 parser 356: seq[i].row=(MethodParams *)old_table.get(i);
1.34 paf 357: Value& value=*r.process(key_maker).as_expr_result(true/*return string as-is*/);
358: if(i==0) // determining key values type by first one
359: key_values_are_strings=value.is_string();
360:
361: if(key_values_are_strings)
362: seq[i].value.c_str=value.as_string().cstr();
363: else
364: seq[i].value.d=value.as_double();
1.32 paf 365: }
1.101 parser 366: // restore 'current'
367: old_table.set_current(saved_current);
1.32 paf 368: // sort keys
1.101 parser 369: _qsort(seq, old_table.size(), sizeof(Table_seq_item),
1.34 paf 370: key_values_are_strings?sort_cmp_string:sort_cmp_double);
1.32 paf 371:
1.34 paf 372: // reorder table as they require in 'seq'
1.101 parser 373: for(i=0; i<old_table.size(); i++)
374: new_table+=seq[reverse?old_table.size()-1-i:i].row;
1.32 paf 375:
1.116 parser 376: // replace any previous table value
377: static_cast<VTable *>(r.self)->set_table(new_table);
1.32 paf 378: }
379:
1.61 paf 380: static void _locate(Request& r, const String& method_name, MethodParams *params) {
1.72 paf 381: Pool& pool=r.pool();
382:
1.36 paf 383: VTable& vtable=*static_cast<VTable *>(r.self);
384: Table& table=vtable.table();
1.72 paf 385: Value& result=*new(pool) VBool(pool, table.locate(
1.120 parser 386: params->as_string(0, "column name must be string"),
387: params->as_string(1, "value must be string")
388: ));
1.72 paf 389: result.set_name(method_name);
390: r.write_no_lang(result);
1.37 paf 391: }
392:
1.61 paf 393: static void _flip(Request& r, const String& method_name, MethodParams *params) {
1.39 paf 394: Pool& pool=r.pool();
395: VTable& vtable=*static_cast<VTable *>(r.self);
396:
397: Table& old_table=*vtable.get_table();
398: Table& new_table=*new(pool) Table(pool, &method_name, 0/*nameless*/);
399: if(old_table.size())
400: if(int old_cols=old_table.at(0).size())
401: for(int column=0; column<old_cols; column++) {
402: Array& new_row=*new(pool) Array(pool, old_table.size());
403: for(int i=0; i<old_table.size(); i++) {
404: const Array& old_row=old_table.at(i);
1.126 parser 405: new_row+=column<old_row.size()?old_row.get(column):new(pool) String(pool);
1.39 paf 406: }
407: new_table+=&new_row;
408: }
409:
1.99 parser 410: r.write_no_lang(*new(pool) VTable(pool, &new_table));
1.39 paf 411: }
412:
1.61 paf 413: static void _append(Request& r, const String& method_name, MethodParams *params) {
1.41 paf 414: Pool& pool=r.pool();
1.132 ! paf 415: // data
! 416: Temp_lang temp_lang(r, String::UL_PASS_APPENDED);
1.61 paf 417: const String& string=
1.90 parser 418: r.process(params->as_junction(0, "body must be code")).as_string();
1.41 paf 419:
420: // parse cells
421: Array& row=*new(pool) Array(pool);
1.46 paf 422: string.split(row, 0, "\t", 1, String::UL_CLEAN);
1.41 paf 423:
1.66 paf 424: VTable& vtable=*static_cast<VTable *>(r.self);
425: vtable.table()+=&row;
1.41 paf 426: }
427:
1.61 paf 428: static void _join(Request& r, const String& method_name, MethodParams *params) {
1.42 paf 429: Pool& pool=r.pool();
430:
1.90 parser 431: Table *maybe_src=params->as_no_junction(0, "table ref must not be code").get_table();
1.42 paf 432: if(!maybe_src)
1.127 parser 433: throw Exception(0, 0,
1.91 parser 434: &method_name,
1.42 paf 435: "source is not a table");
436:
437: Table& src=*maybe_src;
438: Table& dest=static_cast<VTable *>(r.self)->table();
439: if(&src == &dest)
1.127 parser 440: throw Exception(0, 0,
1.91 parser 441: &method_name,
1.42 paf 442: "source and destination are same table");
443:
444: if(const Array *dest_columns=dest.columns()) { // dest is named
445: int saved_src_current=src.current();
446: for(int src_row=0; src_row<src.size(); src_row++) {
447: src.set_current(src_row);
448: Array& dest_row=*new(pool) Array(pool);
449: for(int dest_column=0; dest_column<dest_columns->size(); dest_column++)
450: dest_row+=src.item(*dest_columns->get_string(dest_column));
451: dest+=&dest_row;
452: }
453: src.set_current(saved_src_current);
454: } else { // dest is nameless
455: for(int src_row=0; src_row<src.size(); src_row++)
456: dest+=&src.at(src_row);
457: }
458: }
459:
1.94 parser 460: #ifndef DOXYGEN
461: class Table_sql_event_handlers : public SQL_Driver_query_event_handlers {
462: public:
463: Table_sql_event_handlers(Pool& apool, const String& amethod_name,
464: const String& astatement_string, const char *astatement_cstr) :
465: pool(apool),
466: method_name(amethod_name),
467: statement_string(astatement_string),
468: statement_cstr(astatement_cstr),
469: columns(*new(pool) Array(pool)),
1.131 paf 470: row(0),
1.94 parser 471: table(0)
472: {
473: }
474:
475: void add_column(void *ptr, size_t size) {
476: String *column=new(pool) String(pool);
477: column->APPEND_TAINTED(
478: (const char *)ptr, size,
479: statement_cstr, 0);
480: columns+=column;
481: }
482: void before_rows() {
483: table=new(pool) Table(pool, &method_name, &columns);
484: }
485: void add_row() {
486: (*table)+=(row=new(pool) Array(pool));
487: }
488: void add_row_cell(void *ptr, size_t size) {
489: String *cell=new(pool) String(pool);
490: if(size)
491: cell->APPEND_TAINTED(
492: (const char *)ptr, size,
1.131 paf 493: statement_cstr, table->size()-1);
1.94 parser 494: (*row)+=cell;
495: }
496:
497: private:
498: Pool& pool;
499: const String& method_name;
500: const String& statement_string; const char *statement_cstr;
501: Array& columns;
502: Array *row;
503: public:
504: Table *table;
505: };
506: #endif
1.61 paf 507: static void _sql(Request& r, const String& method_name, MethodParams *params) {
1.49 paf 508: Pool& pool=r.pool();
509:
510: if(!r.connection)
1.127 parser 511: throw Exception(0, 0,
1.91 parser 512: &method_name,
1.49 paf 513: "without connect");
514:
1.90 parser 515: Value& statement=params->as_junction(0, "statement must be code");
1.49 paf 516:
1.53 paf 517: ulong limit=0;
1.100 parser 518: ulong offset=0;
1.49 paf 519: if(params->size()>1) {
1.109 parser 520: Value& voptions=params->as_no_junction(1, "options must be hash, not code");
521: if(voptions.is_defined())
1.128 parser 522: if(Hash *options=voptions.get_hash(&method_name)) {
1.109 parser 523: if(Value *vlimit=(Value *)options->get(*sql_limit_name))
524: limit=(ulong)r.process(*vlimit).as_double();
525: if(Value *voffset=(Value *)options->get(*sql_offset_name))
526: offset=(ulong)r.process(*voffset).as_double();
527: } else
1.127 parser 528: throw Exception(0, 0,
1.109 parser 529: &method_name,
530: "options must be hash");
1.49 paf 531: }
532:
1.54 paf 533: Temp_lang temp_lang(r, String::UL_SQL);
534: const String& statement_string=r.process(statement).as_string();
1.55 paf 535: const char *statement_cstr=
536: statement_string.cstr(String::UL_UNSPECIFIED, r.connection);
1.94 parser 537: Table_sql_event_handlers handlers(pool, method_name,
538: statement_string, statement_cstr);
1.127 parser 539: try {
1.52 paf 540: r.connection->query(
1.91 parser 541: statement_cstr, offset, limit,
1.94 parser 542: handlers);
1.127 parser 543: } catch(const Exception& e) { // query problem
544: // more specific source [were url]
545: throw Exception(e.type(), e.code(),
546: &statement_string,
547: "%s", e.comment());
1.52 paf 548: }
1.96 parser 549:
550: Table *result=
551: handlers.table?handlers.table: // query resulted in table? return it
552: new(pool) Table(pool, &method_name, 0); // query returned no table, fake it
1.49 paf 553:
554: // replace any previous table value
1.96 parser 555: static_cast<VTable *>(r.self)->set_table(*result);
1.49 paf 556: }
557:
1.88 parser 558: static void _columns(Request& r, const String& method_name, MethodParams *) {
559: Pool& pool=r.pool();
560:
561: Array& result_columns=*new(pool) Array(pool);
1.89 parser 562: result_columns+=new(pool) String(pool, "column");
1.88 parser 563: Table& result_table=*new(pool) Table(pool, &method_name, &result_columns);
564:
565: Table& source_table=static_cast<VTable *>(r.self)->table();
566: if(const Array *source_columns=source_table.columns()) {
1.98 parser 567: Array_iter i(*source_columns);
568: while(i.has_next()) {
1.88 parser 569: Array& result_row=*new(pool) Array(pool);
1.98 parser 570: result_row+=i.next();
1.88 parser 571: result_table+=&result_row;
572: }
573: }
574:
575: VTable& result=*new(pool) VTable(pool, &result_table);
576: result.set_name(method_name);
577: r.write_no_lang(result);
578: }
579:
1.66 paf 580: // constructor
581:
582: MTable::MTable(Pool& apool) : Methoded(apool) {
583: set_name(*NEW String(pool(), TABLE_CLASS_NAME));
584:
1.49 paf 585: // ^table:set{data}
586: // ^table:set[nameless]{data}
1.66 paf 587: add_native_method("set", Method::CT_DYNAMIC, _set, 1, 2);
1.2 paf 588:
1.49 paf 589: // ^table:load[file]
590: // ^table:load[nameless;file]
1.66 paf 591: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2);
1.22 paf 592:
593: // ^table.save[file]
594: // ^table.save[nameless;file]
1.66 paf 595: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
1.6 paf 596:
597: // ^table.count[]
1.66 paf 598: add_native_method("count", Method::CT_DYNAMIC, _count, 0, 0);
1.6 paf 599:
600: // ^table.line[]
1.66 paf 601: add_native_method("line", Method::CT_DYNAMIC, _line, 0, 0);
1.6 paf 602:
1.10 paf 603: // ^table.offset[]
604: // ^table.offset[offset]
1.66 paf 605: add_native_method("offset", Method::CT_DYNAMIC, _offset, 0, 1);
1.7 paf 606:
1.10 paf 607: // ^table.menu{code}
608: // ^table.menu{code}[delim]
1.66 paf 609: add_native_method("menu", Method::CT_DYNAMIC, _menu, 1, 2);
1.74 paf 610:
1.79 paf 611: // ^table:hash[key field name]
1.123 parser 612: // ^table:hash[key field name][value field name(s) string/table]
613: add_native_method("hash", Method::CT_DYNAMIC, _hash, 1, 2);
1.32 paf 614:
1.102 parser 615: // ^table.sort{string-key-maker} ^table.sort{string-key-maker}[desc|asc]
616: // ^table.sort(numeric-key-maker) ^table.sort(numeric-key-maker)[desc|asc]
1.66 paf 617: add_native_method("sort", Method::CT_DYNAMIC, _sort, 1, 2);
1.8 paf 618:
1.36 paf 619: // ^table.locate[field;value]
1.66 paf 620: add_native_method("locate", Method::CT_DYNAMIC, _locate, 2, 2);
1.39 paf 621:
622: // ^table.flip[]
1.66 paf 623: add_native_method("flip", Method::CT_DYNAMIC, _flip, 0, 0);
1.41 paf 624:
625: // ^table.append{r{tab}e{tab}c{tab}o{tab}r{tab}d}
1.66 paf 626: add_native_method("append", Method::CT_DYNAMIC, _append, 1, 1);
1.42 paf 627:
628: // ^table.join[table]
1.66 paf 629: add_native_method("join", Method::CT_DYNAMIC, _join, 1, 1);
1.49 paf 630:
631:
1.100 parser 632: // ^table:sql[query]
633: // ^table:sql[query][$.limit(1) $.offset(2)]
634: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.88 parser 635:
636: // ^table:columns[]
637: add_native_method("columns", Method::CT_DYNAMIC, _columns, 0, 0);
1.66 paf 638: }
639:
640: // global variable
641:
642: Methoded *table_class;
643:
644: // creator
645:
646: Methoded *MTable_create(Pool& pool) {
647: return table_class=new(pool) MTable(pool);
1.40 paf 648: }
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