Annotation of parser3/src/classes/table.C, revision 1.89
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)
1.20 paf 5:
1.1 paf 6: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
7: */
1.89 ! parser 8: static const char *RCSId="$Id: table.C,v 1.88 2001/07/02 13:24:32 parser Exp $";
1.1 paf 9:
1.24 paf 10: #include "pa_config_includes.h"
1.59 paf 11:
12: #include "pcre.h"
13:
1.68 paf 14: #include "classes.h"
1.16 paf 15: #include "pa_common.h"
1.1 paf 16: #include "pa_request.h"
17: #include "pa_vtable.h"
1.6 paf 18: #include "pa_vint.h"
1.51 paf 19: #include "pa_sql_connection.h"
1.58 paf 20: #include "pa_dir.h"
1.72 paf 21: #include "pa_vbool.h"
1.1 paf 22:
1.66 paf 23: // defines
1.1 paf 24:
1.66 paf 25: #define TABLE_CLASS_NAME "table"
26:
27: // class
28:
29: class MTable : public Methoded {
30: public: // VStateless_class
31: Value *create_new_value(Pool& pool) { return new(pool) VTable(pool); }
32:
33: public:
34: MTable(Pool& pool);
1.70 paf 35:
36: public: // Methoded
1.66 paf 37: bool used_directly() { return true; }
38: };
1.1 paf 39:
40: // methods
1.66 paf 41:
1.61 paf 42: static void _set(Request& r, const String& method_name, MethodParams *params) {
1.1 paf 43: Pool& pool=r.pool();
44: // data is last parameter
1.61 paf 45: Value& vdata=params->get_junction(params->size()-1, "body must be code");
1.44 paf 46:
1.45 paf 47: Temp_lang temp_lang(r, String::UL_PASS_APPENDED);
1.61 paf 48: const String& data=r.process(vdata).as_string();
1.44 paf 49:
50: size_t pos_after=0;
51: // parse columns
52: Array *columns;
53: if(params->size()==2) {
54: columns=0;
1.21 paf 55: } else {
1.44 paf 56: columns=new(pool) Array(pool);
57:
58: Array head(pool);
59: data.split(head, &pos_after, "\n", 1, String::UL_CLEAN, 1);
60: if(head.size())
61: head.get_string(0)->split(*columns, 0, "\t", 1, String::UL_CLEAN);
62: }
63:
64: Table& table=*new(pool) Table(pool, &method_name, columns);
65: // parse cells
66: Array rows(pool);
67: data.split(rows, &pos_after, "\n", 1, String::UL_CLEAN);
68: int size=rows.quick_size();
69: for(int i=0; i<size; i++) {
70: Array& row=*new(pool) Array(pool);
71: const String& string=*rows.quick_get_string(i);
72: // remove empty lines
73: if(!string.size())
74: continue;
75:
76: string.split(row, 0, "\t", 1, String::UL_CLEAN);
77: table+=&row;
1.17 paf 78: }
1.1 paf 79:
1.44 paf 80: // replace any previous table value
81: static_cast<VTable *>(r.self)->set_table(table);
82: }
83:
1.61 paf 84: static void _load(Request& r, const String& method_name, MethodParams *params) {
1.44 paf 85: Pool& pool=r.pool();
86: // filename is last parameter
1.61 paf 87: Value& vfilename=params->get_no_junction(params->size()-1,
88: "file name must not be code");
1.44 paf 89:
90: // loading text
1.61 paf 91: char *data=file_read_text(pool, r.absolute(vfilename.as_string()));
1.44 paf 92:
1.1 paf 93: // parse columns
94: Array *columns;
95: #ifndef NO_STRING_ORIGIN
96: const Origin& origin=method_name.origin();
1.2 paf 97: const char *file=origin.file;
1.1 paf 98: uint line=origin.line;
99: #endif
100: if(params->size()==2) {
101: columns=0;
102: } else {
103: columns=new(pool) Array(pool);
104:
105: if(char *row_chars=getrow(&data))
106: do {
107: String *name=new(pool) String(pool);
1.45 paf 108: name->APPEND_TAINTED(lsplit(&row_chars, '\t'), 0, file, line++);
1.1 paf 109: *columns+=name;
110: } while(row_chars);
111: }
112:
113: // parse cells
1.27 paf 114: Table& table=*new(pool) Table(pool, &method_name, columns);
1.1 paf 115: char *row_chars;
116: while(row_chars=getrow(&data)) {
1.28 paf 117: if(!*row_chars) // remove empty lines
118: continue;
1.1 paf 119: Array *row=new(pool) Array(pool);
120: while(char *cell_chars=lsplit(&row_chars, '\t')) {
121: String *cell=new(pool) String(pool);
1.44 paf 122: cell->APPEND_TAINTED(cell_chars, 0, file, line);
1.1 paf 123: *row+=cell;
124: }
125: line++;
126: table+=row;
127: };
128:
129: // replace any previous table value
1.18 paf 130: static_cast<VTable *>(r.self)->set_table(table);
1.1 paf 131: }
1.2 paf 132:
1.61 paf 133: static void _save(Request& r, const String& method_name, MethodParams *params) {
1.22 paf 134: Pool& pool=r.pool();
1.61 paf 135: Value& vtable_name=params->get_no_junction(params->size()-1,
136: "file name must not be code");
1.22 paf 137:
1.31 paf 138: Table& table=static_cast<VTable *>(r.self)->table();
139:
140: String sdata(pool);
141: if(params->size()==1) { // not nameless=named output
142: // write out names line
143: if(table.columns()) { // named table
144: for(int column=0; column<table.columns()->size(); column++) {
145: if(column)
146: sdata.APPEND_CONST("\t");
147: sdata.append(*static_cast<String *>(table.columns()->quick_get(column)),
148: String::UL_TABLE);
149: }
150: } else { // nameless table
151: int lsize=table.size()?static_cast<Array *>(table.get(0))->size():0;
152: if(lsize)
153: for(int column=0; column<lsize; column++) {
154: char *cindex_tab=(char *)malloc(MAX_NUMBER);
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");
162: }
163: // data lines
164: for(int index=0; index<table.size(); index++) {
165: Array *row=static_cast<Array *>(table.quick_get(index));
166: for(int column=0; column<row->size(); column++) {
167: if(column)
168: sdata.APPEND_CONST("\t");
169: sdata.append(*static_cast<String *>(row->quick_get(column)),
170: String::UL_TABLE);
171: }
172: sdata.APPEND_CONST("\n");
173: }
174:
175: // write
1.61 paf 176: file_write(pool, r.absolute(vtable_name.as_string()),
1.48 paf 177: sdata.cstr(), sdata.size(), true);
1.22 paf 178: }
179:
1.61 paf 180: static void _count(Request& r, const String&, MethodParams *) {
1.6 paf 181: Pool& pool=r.pool();
1.18 paf 182: Value& value=*new(pool) VInt(pool, static_cast<VTable *>(r.self)->table().size());
1.15 paf 183: r.write_no_lang(value);
1.6 paf 184: }
185:
1.61 paf 186: static void _line(Request& r, const String& method_name, MethodParams *) {
1.6 paf 187: Pool& pool=r.pool();
1.37 paf 188: Value& value=*new(pool) VInt(pool, 1+static_cast<VTable *>(r.self)->table().current());
1.15 paf 189: r.write_no_lang(value);
1.6 paf 190: }
191:
1.61 paf 192: static void _offset(Request& r, const String& method_name, MethodParams *params) {
1.6 paf 193: Pool& pool=r.pool();
1.18 paf 194: Table& table=static_cast<VTable *>(r.self)->table();
1.74 paf 195: if(params->size()) {
196: Value& offset_expr=params->get_junction(0, "offset must be expression");
1.80 parser 197: table.shift(r.process(offset_expr).as_int());
1.74 paf 198: } else {
1.37 paf 199: Value& value=*new(pool) VInt(pool, table.current());
1.15 paf 200: r.write_no_lang(value);
1.6 paf 201: }
202: }
203:
1.61 paf 204: static void _menu(Request& r, const String& method_name, MethodParams *params) {
205: Value& body_code=params->get_junction(0, "body must be code");
1.7 paf 206:
1.61 paf 207: Value *delim_code=params->size()==2?¶ms->get(1):0;
1.7 paf 208:
1.64 paf 209: VTable& vtable=*static_cast<VTable *>(r.self);
210: Table& table=vtable.table();
1.7 paf 211: bool need_delim=false;
1.64 paf 212: vtable.lock(); int saved_current=table.current();
1.22 paf 213: for(int row=0; row<table.size(); row++) {
214: table.set_current(row);
1.7 paf 215:
1.12 paf 216: Value& processed_body=r.process(body_code);
1.7 paf 217: if(delim_code) { // delimiter set?
218: const String *string=processed_body.get_string();
219: if(need_delim && string && string->size()) // need delim & iteration produced string?
220: r.write_pass_lang(r.process(*delim_code));
221: need_delim=true;
222: }
223: r.write_pass_lang(processed_body);
224: }
1.64 paf 225: table.set_current(saved_current); vtable.unlock();
1.7 paf 226: }
227:
1.61 paf 228: static void _empty(Request& r, const String& method_name, MethodParams *params) {
1.75 paf 229: Pool& pool=r.pool();
1.18 paf 230: Table& table=static_cast<VTable *>(r.self)->table();
1.75 paf 231:
232: r.write_no_lang(*new(pool) VBool(pool, table.size()==0));
1.8 paf 233: }
1.15 paf 234:
1.65 paf 235: /// used by table: _record / store_column_item_to_hash
1.29 paf 236: struct Record_info {
237: Pool *pool;
238: Table *table;
239: Hash *hash;
240: };
241: static void store_column_item_to_hash(Array::Item *item, void *info) {
242: Record_info& ri=*static_cast<Record_info *>(info);
243: String& column_name=*static_cast<String *>(item);
244: Value *value;
1.73 paf 245: if(const String *column_item=ri.table->item(column_name))
1.29 paf 246: value=new(*ri.pool) VString(*column_item);
247: else
1.84 parser 248: value=new(*ri.pool) VVoid(*ri.pool);
1.29 paf 249: ri.hash->put(column_name, value);
250: }
1.74 paf 251: static void _record(Request& r, const String& method_name, MethodParams *) {
1.29 paf 252: Table& table=static_cast<VTable *>(r.self)->table();
253: if(const Array *columns=table.columns()) {
254: Pool& pool=r.pool();
1.73 paf 255: Value& result=*new(pool) VHash(pool);
256: Record_info record_info={&pool, &table, result.get_hash()};
1.29 paf 257: columns->for_each(store_column_item_to_hash, &record_info);
1.73 paf 258: result.set_name(method_name);
259: r.write_no_lang(result);
1.29 paf 260: }
261: }
262:
1.74 paf 263: /// used by table: _hash / table_row_to_hash
264: struct Row_info {
265: Table *table;
266: int key_field;
267: Array *value_fields;
268: Hash *hash;
269: };
270: static void table_row_to_hash(Array::Item *value, void *info) {
271: Array& row=*static_cast<Array *>(value);
272: Row_info& ri=*static_cast<Row_info *>(info);
273: Pool& pool=ri.table->pool();
274:
1.76 paf 275: if(ri.key_field<row.size()) {
276: VHash& result=*new(pool) VHash(pool);
277: Hash& hash=*result.get_hash();
1.74 paf 278: for(int i=0; i<ri.value_fields->size(); i++) {
279: int value_field=ri.value_fields->get_int(i);
280: if(value_field<row.size())
281: hash.put(
282: *ri.table->columns()->get_string(value_field),
283: new(pool) VString(*row.get_string(value_field)));
284: }
285:
1.77 paf 286: ri.hash->put(*row.get_string(ri.key_field), &result);
1.74 paf 287: }
288: }
289: static void _hash(Request& r, const String& method_name, MethodParams *params) {
290: Table& table=static_cast<VTable *>(r.self)->table();
291: if(const Array *columns=table.columns())
292: if(columns->size()>1) {
293: Pool& pool=r.pool();
294:
295: const String& key_field_name=params->get_no_junction(0,
296: "key field name must not be code").as_string();
297: int key_field=table.column_name2index(key_field_name, true);
298: int value_fields_count=params->size()-1;
299: bool value_fields_by_params=value_fields_count!=0;
300: if(!value_fields_by_params)
301: value_fields_count=columns->size()-1; // all columns except key
302: Array value_fields(pool, value_fields_count);
303: if(value_fields_by_params) {
304: for(int i=1; i<params->size(); i++) {
305: const String& value_field_name=params->get_no_junction(i,
306: "value field name must not be code").as_string();
307: value_fields+=table.column_name2index(value_field_name, true);
308: }
309: } else { // by all columns except key
310: for(int i=0; i<columns->size(); i++)
311: if(i!=key_field)
312: value_fields+=i;
313: }
314:
315: // integers: key_field & value_fields
316: Value& result=*new(pool) VHash(pool);
317: Row_info row_info={&table, key_field, &value_fields, result.get_hash()};
318: table.for_each(table_row_to_hash, &row_info);
319: result.set_name(method_name);
320: r.write_no_lang(result);
321: }
322: }
323:
324: /// used by table: _sort / sort_cmp_string|sort_cmp_double
1.78 paf 325: struct Table_seq_item {
1.34 paf 326: Array *row;
327: union {
328: char *c_str;
329: double d;
330: } value;
1.32 paf 331: };
1.34 paf 332: static int sort_cmp_string(const void *a, const void *b) {
333: return strcmp(
1.78 paf 334: static_cast<const Table_seq_item *>(a)->value.c_str,
335: static_cast<const Table_seq_item *>(b)->value.c_str
1.34 paf 336: );
337: }
338: static int sort_cmp_double(const void *a, const void *b) {
1.78 paf 339: double va=static_cast<const Table_seq_item *>(a)->value.d;
340: double vb=static_cast<const Table_seq_item *>(b)->value.d;
1.34 paf 341: if(va<vb)
342: return -1;
343: else if(va>vb)
344: return +1;
345: else
346: return 0;
347: }
1.61 paf 348: static void _sort(Request& r, const String& method_name, MethodParams *params) {
349: Value& key_maker=params->get_junction(0, "key-maker must be code");
350:
351: bool reverse=params->size()==2/*..[asc|desc]*/?
352: reverse=params->get_no_junction(1, "order must not be code").as_string()=="desc":
353: false;
1.32 paf 354:
355: Table& table=static_cast<VTable *>(r.self)->table();
1.34 paf 356:
357: // anything to sort?
358: if(!table.size())
359: return;
360:
1.78 paf 361: Table_seq_item *seq=(Table_seq_item *)malloc(sizeof(Table_seq_item)*table.size());
1.34 paf 362: int i;
363:
364: // calculate key values
365: bool key_values_are_strings=true;
366: for(i=0; i<table.size(); i++) {
1.32 paf 367: table.set_current(i);
368: // calculate key value
1.61 paf 369: seq[i].row=(MethodParams *)table.get(i);
1.34 paf 370: Value& value=*r.process(key_maker).as_expr_result(true/*return string as-is*/);
371: if(i==0) // determining key values type by first one
372: key_values_are_strings=value.is_string();
373:
374: if(key_values_are_strings)
375: seq[i].value.c_str=value.as_string().cstr();
376: else
377: seq[i].value.d=value.as_double();
1.32 paf 378: }
379: // sort keys
1.78 paf 380: _qsort(seq, table.size(), sizeof(Table_seq_item),
1.34 paf 381: key_values_are_strings?sort_cmp_string:sort_cmp_double);
1.32 paf 382:
1.34 paf 383: // reorder table as they require in 'seq'
384: for(i=0; i<table.size(); i++)
385: table.put(i, seq[reverse?table.size()-1-i:i].row);
1.32 paf 386:
1.34 paf 387: // reset 'current'
1.32 paf 388: table.set_current(0);
389: }
390:
1.61 paf 391: static void _locate(Request& r, const String& method_name, MethodParams *params) {
1.72 paf 392: Pool& pool=r.pool();
393:
1.36 paf 394: VTable& vtable=*static_cast<VTable *>(r.self);
395: Table& table=vtable.table();
1.72 paf 396: Value& result=*new(pool) VBool(pool, table.locate(
1.61 paf 397: params->get(0).as_string(),
1.72 paf 398: params->get(1).as_string()));
399: result.set_name(method_name);
400: r.write_no_lang(result);
1.37 paf 401: }
402:
1.61 paf 403: static void _flip(Request& r, const String& method_name, MethodParams *params) {
1.39 paf 404: Pool& pool=r.pool();
405: VTable& vtable=*static_cast<VTable *>(r.self);
406:
407: Table& old_table=*vtable.get_table();
408: Table& new_table=*new(pool) Table(pool, &method_name, 0/*nameless*/);
409: if(old_table.size())
410: if(int old_cols=old_table.at(0).size())
411: for(int column=0; column<old_cols; column++) {
412: Array& new_row=*new(pool) Array(pool, old_table.size());
413: for(int i=0; i<old_table.size(); i++) {
414: const Array& old_row=old_table.at(i);
415: new_row+=column<old_row.size()?old_row.get(column):empty_string;
416: }
417: new_table+=&new_row;
418: }
419:
420: vtable.set_table(new_table);
421: }
422:
1.61 paf 423: static void _append(Request& r, const String& method_name, MethodParams *params) {
1.41 paf 424: Pool& pool=r.pool();
425: // data is last parameter
1.61 paf 426: const String& string=
427: r.process(params->get_junction(0, "body must be code")).as_string();
1.41 paf 428:
429: // parse cells
430: Array& row=*new(pool) Array(pool);
1.46 paf 431: string.split(row, 0, "\t", 1, String::UL_CLEAN);
1.41 paf 432:
1.66 paf 433: VTable& vtable=*static_cast<VTable *>(r.self);
434: // disable ^a.menu{^a.append[]}
435: vtable.lock();
436: vtable.table()+=&row;
437: vtable.unlock();
1.41 paf 438: }
439:
1.61 paf 440: static void _join(Request& r, const String& method_name, MethodParams *params) {
1.42 paf 441: Pool& pool=r.pool();
442:
1.61 paf 443: Table *maybe_src=params->get_no_junction(0, "table ref must not be code").get_table();
1.42 paf 444: if(!maybe_src)
1.49 paf 445: PTHROW(0, 0,
1.42 paf 446: &method_name,
447: "source is not a table");
448:
449: Table& src=*maybe_src;
450: Table& dest=static_cast<VTable *>(r.self)->table();
451: if(&src == &dest)
1.49 paf 452: PTHROW(0, 0,
1.42 paf 453: &method_name,
454: "source and destination are same table");
455:
456: if(const Array *dest_columns=dest.columns()) { // dest is named
457: int saved_src_current=src.current();
458: for(int src_row=0; src_row<src.size(); src_row++) {
459: src.set_current(src_row);
460: Array& dest_row=*new(pool) Array(pool);
461: for(int dest_column=0; dest_column<dest_columns->size(); dest_column++)
462: dest_row+=src.item(*dest_columns->get_string(dest_column));
463: dest+=&dest_row;
464: }
465: src.set_current(saved_src_current);
466: } else { // dest is nameless
467: for(int src_row=0; src_row<src.size(); src_row++)
468: dest+=&src.at(src_row);
469: }
470: }
471:
1.61 paf 472: static void _sql(Request& r, const String& method_name, MethodParams *params) {
1.49 paf 473: Pool& pool=r.pool();
474:
475: if(!r.connection)
476: PTHROW(0, 0,
477: &method_name,
478: "without connect");
479:
1.61 paf 480: Value& statement=params->get_junction(0, "statement must be code");
1.49 paf 481:
1.53 paf 482: ulong limit=0;
1.49 paf 483: if(params->size()>1) {
1.61 paf 484: Value& limit_code=params->get_junction(1, "limit must be expression");
1.53 paf 485: limit=(uint)r.process(limit_code).as_double();
1.49 paf 486: }
487:
1.51 paf 488: ulong offset=0;
1.49 paf 489: if(params->size()>2) {
1.61 paf 490: Value& offset_code=params->get_junction(2, "offset must be expression");
1.51 paf 491: offset=(ulong)r.process(offset_code).as_double();
1.49 paf 492: }
493:
1.54 paf 494: Temp_lang temp_lang(r, String::UL_SQL);
495: const String& statement_string=r.process(statement).as_string();
1.55 paf 496: const char *statement_cstr=
497: statement_string.cstr(String::UL_UNSPECIFIED, r.connection);
1.51 paf 498: unsigned int sql_column_count; SQL_Driver::Cell *sql_columns;
499: unsigned long sql_row_count; SQL_Driver::Cell **sql_rows;
1.52 paf 500: bool need_rethrow=false; Exception rethrow_me;
501: PTRY {
502: r.connection->query(
1.53 paf 503: statement_cstr, offset, limit,
1.52 paf 504: &sql_column_count, &sql_columns,
505: &sql_row_count, &sql_rows);
506: }
1.82 parser 507: PCATCH(e) { // query problem
1.52 paf 508: rethrow_me=e; need_rethrow=true;
509: }
510: PEND_CATCH
511: if(need_rethrow)
512: PTHROW(rethrow_me.type(), rethrow_me.code(),
1.53 paf 513: &statement_string, // setting more specific source [were url]
1.52 paf 514: rethrow_me.comment());
1.51 paf 515:
516: Array& table_columns=*new(pool) Array(pool);
517: for(unsigned int i=0; i<sql_column_count; i++) {
518: String& table_column=*new(pool) String(pool);
519: table_column.APPEND_TAINTED(
520: (const char *)sql_columns[i].ptr, sql_columns[i].size,
521: statement_cstr, 0);
522: table_columns+=&table_column;
523: }
524:
525: Table& table=*new(pool) Table(pool, &method_name, &table_columns);
526:
1.81 parser 527: for(unsigned long row=0; row<sql_row_count; row++) {
528: SQL_Driver::Cell *sql_cells=sql_rows[row];
529: Array& table_row=*new(pool) Array(pool);
530:
531: for(unsigned int i=0; i<sql_column_count; i++) {
532: String& table_cell=*new(pool) String(pool);
1.87 parser 533: if(sql_cells[i].size)
534: table_cell.APPEND_TAINTED(
535: (const char *)sql_cells[i].ptr, sql_cells[i].size,
536: statement_cstr, row);
1.81 parser 537: table_row+=&table_cell;
1.51 paf 538: }
1.81 parser 539: table+=&table_row;
1.51 paf 540: }
1.49 paf 541:
542: // replace any previous table value
543: static_cast<VTable *>(r.self)->set_table(table);
544: }
545:
1.61 paf 546: static void _dir(Request& r, const String& method_name, MethodParams *params) {
1.58 paf 547: Pool& pool=r.pool();
548:
1.61 paf 549: Value& relative_path=params->get_no_junction(0, "path must not be code");
1.58 paf 550:
1.59 paf 551: const String *regexp;
552: pcre *regexp_code;
553: int ovecsize;
554: int *ovector;
555: if(params->size()>1) {
1.61 paf 556: regexp=¶ms->get_no_junction(1, "regexp must not be code").as_string();
1.59 paf 557:
558: const char *pattern=regexp->cstr(String::UL_AS_IS);
559: const char *errptr;
560: int erroffset;
561: regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL,
562: &errptr, &erroffset,
1.63 paf 563: r.pcre_tables);
1.59 paf 564:
565: if(!regexp_code)
566: PTHROW(0, 0,
567: ®exp->mid(erroffset, regexp->size()),
568: "regular expression syntax error - %s", errptr);
569:
570: ovector=(int *)malloc(sizeof(int)*(ovecsize=(1/*match*/)*3));
571: } else
572: regexp_code=0;
573:
574:
1.58 paf 575: const char* absolute_path_cstr=r.absolute(relative_path.as_string())
576: .cstr(String::UL_FILE_NAME);
577:
578: Array& columns=*new(pool) Array(pool);
579: columns+=new(pool) String(pool, "name");
580: Table& table=*new(pool) Table(pool, &method_name, &columns);
581:
582: LOAD_DIR(absolute_path_cstr,
583: size_t file_name_size=strlen(ffblk.ff_name);
1.59 paf 584: bool suits=true;
585: if(regexp_code) {
586: int exec_result=pcre_exec(regexp_code, 0,
587: ffblk.ff_name, file_name_size, 0,
588: 0, ovector, ovecsize);
589:
590: if(exec_result==PCRE_ERROR_NOMATCH)
591: suits=false;
592: else if(exec_result<0) {
593: (*pcre_free)(regexp_code);
594: PTHROW(0, 0,
595: regexp,
1.60 paf 596: "regular expression execute (%d)",
1.59 paf 597: exec_result);
598: }
599: }
600:
601: if(suits) {
602: char *file_name_cstr=(char *)r.malloc(file_name_size);
603: memcpy(file_name_cstr, ffblk.ff_name, file_name_size);
604: String &file_name=*new(pool) String(pool);
1.69 paf 605: file_name.APPEND(file_name_cstr, file_name_size, String::UL_FILE_NAME,
1.59 paf 606: method_name.origin().file, method_name.origin().line);
607:
608: Array& row=*new(pool) Array(pool);
609: row+=&file_name;
610: table+=&row;
611: }
1.58 paf 612: );
1.59 paf 613:
614: if(regexp_code)
615: (*pcre_free)(regexp_code);
1.58 paf 616:
617: // replace any previous table value
618: static_cast<VTable *>(r.self)->set_table(table);
619: }
620:
1.88 parser 621: static void _columns(Request& r, const String& method_name, MethodParams *) {
622: Pool& pool=r.pool();
623:
624: Array& result_columns=*new(pool) Array(pool);
1.89 ! parser 625: result_columns+=new(pool) String(pool, "column");
1.88 parser 626: Table& result_table=*new(pool) Table(pool, &method_name, &result_columns);
627:
628: Table& source_table=static_cast<VTable *>(r.self)->table();
629: if(const Array *source_columns=source_table.columns()) {
630: int size=source_columns->quick_size();
631: for(int i=0; i<size; i++) {
632: Array& result_row=*new(pool) Array(pool);
633: result_row+=source_columns->quick_get(i);
634: result_table+=&result_row;
635: }
636: }
637:
638: VTable& result=*new(pool) VTable(pool, &result_table);
639: result.set_name(method_name);
640: r.write_no_lang(result);
641: }
642:
1.66 paf 643: // constructor
644:
645: MTable::MTable(Pool& apool) : Methoded(apool) {
646: set_name(*NEW String(pool(), TABLE_CLASS_NAME));
647:
1.49 paf 648: // ^table:set{data}
649: // ^table:set[nameless]{data}
1.66 paf 650: add_native_method("set", Method::CT_DYNAMIC, _set, 1, 2);
1.2 paf 651:
1.49 paf 652: // ^table:load[file]
653: // ^table:load[nameless;file]
1.66 paf 654: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2);
1.22 paf 655:
656: // ^table.save[file]
657: // ^table.save[nameless;file]
1.66 paf 658: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
1.6 paf 659:
660: // ^table.count[]
1.66 paf 661: add_native_method("count", Method::CT_DYNAMIC, _count, 0, 0);
1.6 paf 662:
663: // ^table.line[]
1.66 paf 664: add_native_method("line", Method::CT_DYNAMIC, _line, 0, 0);
1.6 paf 665:
1.10 paf 666: // ^table.offset[]
667: // ^table.offset[offset]
1.66 paf 668: add_native_method("offset", Method::CT_DYNAMIC, _offset, 0, 1);
1.7 paf 669:
1.10 paf 670: // ^table.menu{code}
671: // ^table.menu{code}[delim]
1.66 paf 672: add_native_method("menu", Method::CT_DYNAMIC, _menu, 1, 2);
1.8 paf 673:
1.75 paf 674: // ^table.empty[]
675: add_native_method("empty", Method::CT_DYNAMIC, _empty, 0, 0);
1.29 paf 676:
677: // ^table.record[]
1.66 paf 678: add_native_method("record", Method::CT_DYNAMIC, _record, 0, 0);
1.74 paf 679:
1.79 paf 680: // ^table:hash[key field name]
681: // ^table:hash[key field name][value field name;...]
1.74 paf 682: add_native_method("hash", Method::CT_DYNAMIC, _hash, 1, 1000);
1.32 paf 683:
684: // ^table.sort{string-key-maker} ^table.sort{string-key-maker}[asc|desc]
685: // ^table.sort(numeric-key-maker) ^table.sort(numeric-key-maker)[asc|desc]
1.66 paf 686: add_native_method("sort", Method::CT_DYNAMIC, _sort, 1, 2);
1.8 paf 687:
1.36 paf 688: // ^table.locate[field;value]
1.66 paf 689: add_native_method("locate", Method::CT_DYNAMIC, _locate, 2, 2);
1.39 paf 690:
691: // ^table.flip[]
1.66 paf 692: add_native_method("flip", Method::CT_DYNAMIC, _flip, 0, 0);
1.41 paf 693:
694: // ^table.append{r{tab}e{tab}c{tab}o{tab}r{tab}d}
1.66 paf 695: add_native_method("append", Method::CT_DYNAMIC, _append, 1, 1);
1.42 paf 696:
697: // ^table.join[table]
1.66 paf 698: add_native_method("join", Method::CT_DYNAMIC, _join, 1, 1);
1.49 paf 699:
700:
1.51 paf 701: // ^table:sql[query][(count[;offset])]
1.66 paf 702: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 3);
1.58 paf 703:
704: // ^table:dir[path]
705: // ^table:dir[path][regexp]
1.66 paf 706: add_native_method("dir", Method::CT_DYNAMIC, _dir, 1, 2);
1.88 parser 707:
708: // ^table:columns[]
709: add_native_method("columns", Method::CT_DYNAMIC, _columns, 0, 0);
1.66 paf 710: }
711:
712: // global variable
713:
714: Methoded *table_class;
715:
716: // creator
717:
718: Methoded *MTable_create(Pool& pool) {
719: return table_class=new(pool) MTable(pool);
1.40 paf 720: }
E-mail:
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to table.C CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [parser3project] / parser3 / src / classes