Annotation of parser3/src/classes/table.C, revision 1.74
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:
1.74 ! paf 8: $Id: table.C,v 1.73 2001/05/08 06:42:54 paf Exp $
1.1 paf 9: */
10:
1.24 paf 11: #include "pa_config_includes.h"
1.59 paf 12:
13: #include "pcre.h"
14:
1.68 paf 15: #include "classes.h"
1.16 paf 16: #include "pa_common.h"
1.1 paf 17: #include "pa_request.h"
18: #include "pa_vtable.h"
1.6 paf 19: #include "pa_vint.h"
1.51 paf 20: #include "pa_sql_connection.h"
1.58 paf 21: #include "pa_dir.h"
1.72 paf 22: #include "pa_vbool.h"
1.1 paf 23:
1.66 paf 24: // defines
1.1 paf 25:
1.66 paf 26: #define TABLE_CLASS_NAME "table"
27:
28: // class
29:
30: class MTable : public Methoded {
31: public: // VStateless_class
32: Value *create_new_value(Pool& pool) { return new(pool) VTable(pool); }
33:
34: public:
35: MTable(Pool& pool);
1.70 paf 36:
37: public: // Methoded
1.66 paf 38: bool used_directly() { return true; }
39: };
1.1 paf 40:
41: // methods
1.66 paf 42:
1.61 paf 43: static void _set(Request& r, const String& method_name, MethodParams *params) {
1.1 paf 44: Pool& pool=r.pool();
45: // data is last parameter
1.61 paf 46: Value& vdata=params->get_junction(params->size()-1, "body must be code");
1.44 paf 47:
1.45 paf 48: Temp_lang temp_lang(r, String::UL_PASS_APPENDED);
1.61 paf 49: const String& data=r.process(vdata).as_string();
1.44 paf 50:
51: size_t pos_after=0;
52: // parse columns
53: Array *columns;
54: if(params->size()==2) {
55: columns=0;
1.21 paf 56: } else {
1.44 paf 57: columns=new(pool) Array(pool);
58:
59: Array head(pool);
60: data.split(head, &pos_after, "\n", 1, String::UL_CLEAN, 1);
61: if(head.size())
62: head.get_string(0)->split(*columns, 0, "\t", 1, String::UL_CLEAN);
63: }
64:
65: Table& table=*new(pool) Table(pool, &method_name, columns);
66: // parse cells
67: Array rows(pool);
68: data.split(rows, &pos_after, "\n", 1, String::UL_CLEAN);
69: int size=rows.quick_size();
70: for(int i=0; i<size; i++) {
71: Array& row=*new(pool) Array(pool);
72: const String& string=*rows.quick_get_string(i);
73: // remove empty lines
74: if(!string.size())
75: continue;
76:
77: string.split(row, 0, "\t", 1, String::UL_CLEAN);
78: table+=&row;
1.17 paf 79: }
1.1 paf 80:
1.44 paf 81: // replace any previous table value
82: static_cast<VTable *>(r.self)->set_table(table);
83: }
84:
1.61 paf 85: static void _load(Request& r, const String& method_name, MethodParams *params) {
1.44 paf 86: Pool& pool=r.pool();
87: // filename is last parameter
1.61 paf 88: Value& vfilename=params->get_no_junction(params->size()-1,
89: "file name must not be code");
1.44 paf 90:
91: // loading text
1.61 paf 92: char *data=file_read_text(pool, r.absolute(vfilename.as_string()));
1.44 paf 93:
1.1 paf 94: // parse columns
95: Array *columns;
96: #ifndef NO_STRING_ORIGIN
97: const Origin& origin=method_name.origin();
1.2 paf 98: const char *file=origin.file;
1.1 paf 99: uint line=origin.line;
100: #endif
101: if(params->size()==2) {
102: columns=0;
103: } else {
104: columns=new(pool) Array(pool);
105:
106: if(char *row_chars=getrow(&data))
107: do {
108: String *name=new(pool) String(pool);
1.45 paf 109: name->APPEND_TAINTED(lsplit(&row_chars, '\t'), 0, file, line++);
1.1 paf 110: *columns+=name;
111: } while(row_chars);
112: }
113:
114: // parse cells
1.27 paf 115: Table& table=*new(pool) Table(pool, &method_name, columns);
1.1 paf 116: char *row_chars;
117: while(row_chars=getrow(&data)) {
1.28 paf 118: if(!*row_chars) // remove empty lines
119: continue;
1.1 paf 120: Array *row=new(pool) Array(pool);
121: while(char *cell_chars=lsplit(&row_chars, '\t')) {
122: String *cell=new(pool) String(pool);
1.44 paf 123: cell->APPEND_TAINTED(cell_chars, 0, file, line);
1.1 paf 124: *row+=cell;
125: }
126: line++;
127: table+=row;
128: };
129:
130: // replace any previous table value
1.18 paf 131: static_cast<VTable *>(r.self)->set_table(table);
1.1 paf 132: }
1.2 paf 133:
1.61 paf 134: static void _save(Request& r, const String& method_name, MethodParams *params) {
1.22 paf 135: Pool& pool=r.pool();
1.61 paf 136: Value& vtable_name=params->get_no_junction(params->size()-1,
137: "file name must not be code");
1.22 paf 138:
1.31 paf 139: Table& table=static_cast<VTable *>(r.self)->table();
140:
141: String sdata(pool);
142: if(params->size()==1) { // not nameless=named output
143: // write out names line
144: if(table.columns()) { // named table
145: for(int column=0; column<table.columns()->size(); column++) {
146: if(column)
147: sdata.APPEND_CONST("\t");
148: sdata.append(*static_cast<String *>(table.columns()->quick_get(column)),
149: String::UL_TABLE);
150: }
151: } else { // nameless table
152: int lsize=table.size()?static_cast<Array *>(table.get(0))->size():0;
153: if(lsize)
154: for(int column=0; column<lsize; column++) {
155: char *cindex_tab=(char *)malloc(MAX_NUMBER);
156: snprintf(cindex_tab, MAX_NUMBER, "%d\t", column);
157: sdata.APPEND_CONST(cindex_tab);
158: }
159: else
160: sdata.APPEND_CONST("empty nameless table");
161: }
162: sdata.APPEND_CONST("\n");
163: }
164: // data lines
165: for(int index=0; index<table.size(); index++) {
166: Array *row=static_cast<Array *>(table.quick_get(index));
167: for(int column=0; column<row->size(); column++) {
168: if(column)
169: sdata.APPEND_CONST("\t");
170: sdata.append(*static_cast<String *>(row->quick_get(column)),
171: String::UL_TABLE);
172: }
173: sdata.APPEND_CONST("\n");
174: }
175:
176: // write
1.61 paf 177: file_write(pool, r.absolute(vtable_name.as_string()),
1.48 paf 178: sdata.cstr(), sdata.size(), true);
1.22 paf 179: }
180:
1.61 paf 181: static void _count(Request& r, const String&, MethodParams *) {
1.6 paf 182: Pool& pool=r.pool();
1.18 paf 183: Value& value=*new(pool) VInt(pool, static_cast<VTable *>(r.self)->table().size());
1.15 paf 184: r.write_no_lang(value);
1.6 paf 185: }
186:
1.61 paf 187: static void _line(Request& r, const String& method_name, MethodParams *) {
1.6 paf 188: Pool& pool=r.pool();
1.37 paf 189: Value& value=*new(pool) VInt(pool, 1+static_cast<VTable *>(r.self)->table().current());
1.15 paf 190: r.write_no_lang(value);
1.6 paf 191: }
192:
1.61 paf 193: static void _offset(Request& r, const String& method_name, MethodParams *params) {
1.6 paf 194: Pool& pool=r.pool();
1.18 paf 195: Table& table=static_cast<VTable *>(r.self)->table();
1.74 ! paf 196: if(params->size()) {
! 197: Value& offset_expr=params->get_junction(0, "offset must be expression");
! 198: table.shift((int)r.process(offset_expr).as_double());
! 199: } else {
1.37 paf 200: Value& value=*new(pool) VInt(pool, table.current());
1.15 paf 201: r.write_no_lang(value);
1.6 paf 202: }
203: }
204:
1.61 paf 205: static void _menu(Request& r, const String& method_name, MethodParams *params) {
206: Value& body_code=params->get_junction(0, "body must be code");
1.7 paf 207:
1.61 paf 208: Value *delim_code=params->size()==2?¶ms->get(1):0;
1.7 paf 209:
1.64 paf 210: VTable& vtable=*static_cast<VTable *>(r.self);
211: Table& table=vtable.table();
1.7 paf 212: bool need_delim=false;
1.64 paf 213: vtable.lock(); int saved_current=table.current();
1.22 paf 214: for(int row=0; row<table.size(); row++) {
215: table.set_current(row);
1.7 paf 216:
1.12 paf 217: Value& processed_body=r.process(body_code);
1.7 paf 218: if(delim_code) { // delimiter set?
219: const String *string=processed_body.get_string();
220: if(need_delim && string && string->size()) // need delim & iteration produced string?
221: r.write_pass_lang(r.process(*delim_code));
222: need_delim=true;
223: }
224: r.write_pass_lang(processed_body);
225: }
1.64 paf 226: table.set_current(saved_current); vtable.unlock();
1.7 paf 227: }
228:
1.74 ! paf 229: /// @test make bool returning func
1.61 paf 230: static void _empty(Request& r, const String& method_name, MethodParams *params) {
1.18 paf 231: Table& table=static_cast<VTable *>(r.self)->table();
1.61 paf 232: if(table.size()==0)
1.62 paf 233: r.write_pass_lang(r.process(params->get(0)));
234: else if(params->size()>1)
235: r.write_pass_lang(r.process(params->get(1)));
1.8 paf 236: }
1.15 paf 237:
1.65 paf 238: /// used by table: _record / store_column_item_to_hash
1.29 paf 239: struct Record_info {
240: Pool *pool;
241: Table *table;
242: Hash *hash;
243: };
244: static void store_column_item_to_hash(Array::Item *item, void *info) {
245: Record_info& ri=*static_cast<Record_info *>(info);
246: String& column_name=*static_cast<String *>(item);
247: Value *value;
1.73 paf 248: if(const String *column_item=ri.table->item(column_name))
1.29 paf 249: value=new(*ri.pool) VString(*column_item);
250: else
251: value=new(*ri.pool) VUnknown(*ri.pool);
252: ri.hash->put(column_name, value);
253: }
1.74 ! paf 254: static void _record(Request& r, const String& method_name, MethodParams *) {
1.29 paf 255: Table& table=static_cast<VTable *>(r.self)->table();
256: if(const Array *columns=table.columns()) {
257: Pool& pool=r.pool();
1.73 paf 258: Value& result=*new(pool) VHash(pool);
259: Record_info record_info={&pool, &table, result.get_hash()};
1.29 paf 260: columns->for_each(store_column_item_to_hash, &record_info);
1.73 paf 261: result.set_name(method_name);
262: r.write_no_lang(result);
1.29 paf 263: }
264: }
265:
1.74 ! paf 266: /// used by table: _hash / table_row_to_hash
! 267: struct Row_info {
! 268: Table *table;
! 269: int key_field;
! 270: Array *value_fields;
! 271: Hash *hash;
! 272: };
! 273: static void table_row_to_hash(Array::Item *value, void *info) {
! 274: Array& row=*static_cast<Array *>(value);
! 275: Row_info& ri=*static_cast<Row_info *>(info);
! 276: Pool& pool=ri.table->pool();
! 277:
! 278: Value *result;
! 279: if(ri.value_fields->size()==1) { // key=value [not valueS]
! 280: int value_field=ri.value_fields->get_int(0);
! 281: if(value_field<row.size())
! 282: result=new(pool) VString(*row.get_string(value_field));
! 283: else
! 284: result=0;
! 285: } else {
! 286: VHash& vhash=*new(pool) VHash(pool);
! 287: Hash& hash=*vhash.get_hash();
! 288: for(int i=0; i<ri.value_fields->size(); i++) {
! 289: int value_field=ri.value_fields->get_int(i);
! 290: if(value_field<row.size())
! 291: hash.put(
! 292: *ri.table->columns()->get_string(value_field),
! 293: new(pool) VString(*row.get_string(value_field)));
! 294: }
! 295:
! 296: result=&vhash;
! 297: }
! 298:
! 299: if(ri.key_field<row.size())
! 300: ri.hash->put(*row.get_string(ri.key_field), result);
! 301: }
! 302: static void _hash(Request& r, const String& method_name, MethodParams *params) {
! 303: Table& table=static_cast<VTable *>(r.self)->table();
! 304: if(const Array *columns=table.columns())
! 305: if(columns->size()>1) {
! 306: Pool& pool=r.pool();
! 307:
! 308: const String& key_field_name=params->get_no_junction(0,
! 309: "key field name must not be code").as_string();
! 310: int key_field=table.column_name2index(key_field_name, true);
! 311: int value_fields_count=params->size()-1;
! 312: bool value_fields_by_params=value_fields_count!=0;
! 313: if(!value_fields_by_params)
! 314: value_fields_count=columns->size()-1; // all columns except key
! 315: Array value_fields(pool, value_fields_count);
! 316: if(value_fields_by_params) {
! 317: for(int i=1; i<params->size(); i++) {
! 318: const String& value_field_name=params->get_no_junction(i,
! 319: "value field name must not be code").as_string();
! 320: value_fields+=table.column_name2index(value_field_name, true);
! 321: }
! 322: } else { // by all columns except key
! 323: for(int i=0; i<columns->size(); i++)
! 324: if(i!=key_field)
! 325: value_fields+=i;
! 326: }
! 327:
! 328: // integers: key_field & value_fields
! 329: Value& result=*new(pool) VHash(pool);
! 330: Row_info row_info={&table, key_field, &value_fields, result.get_hash()};
! 331: table.for_each(table_row_to_hash, &row_info);
! 332: result.set_name(method_name);
! 333: r.write_no_lang(result);
! 334: }
! 335: }
! 336:
! 337: /// used by table: _sort / sort_cmp_string|sort_cmp_double
1.34 paf 338: struct Seq_item {
339: Array *row;
340: union {
341: char *c_str;
342: double d;
343: } value;
1.32 paf 344: };
1.34 paf 345: static int sort_cmp_string(const void *a, const void *b) {
346: return strcmp(
347: static_cast<const Seq_item *>(a)->value.c_str,
348: static_cast<const Seq_item *>(b)->value.c_str
349: );
350: }
351: static int sort_cmp_double(const void *a, const void *b) {
352: double va=static_cast<const Seq_item *>(a)->value.d;
353: double vb=static_cast<const Seq_item *>(b)->value.d;
354: if(va<vb)
355: return -1;
356: else if(va>vb)
357: return +1;
358: else
359: return 0;
360: }
1.61 paf 361: static void _sort(Request& r, const String& method_name, MethodParams *params) {
362: Value& key_maker=params->get_junction(0, "key-maker must be code");
363:
364: bool reverse=params->size()==2/*..[asc|desc]*/?
365: reverse=params->get_no_junction(1, "order must not be code").as_string()=="desc":
366: false;
1.32 paf 367:
368: Table& table=static_cast<VTable *>(r.self)->table();
1.34 paf 369:
370: // anything to sort?
371: if(!table.size())
372: return;
373:
374: Seq_item *seq=(Seq_item *)malloc(sizeof(Seq_item)*table.size());
375: int i;
376:
377: // calculate key values
378: bool key_values_are_strings=true;
379: for(i=0; i<table.size(); i++) {
1.32 paf 380: table.set_current(i);
381: // calculate key value
1.61 paf 382: seq[i].row=(MethodParams *)table.get(i);
1.34 paf 383: Value& value=*r.process(key_maker).as_expr_result(true/*return string as-is*/);
384: if(i==0) // determining key values type by first one
385: key_values_are_strings=value.is_string();
386:
387: if(key_values_are_strings)
388: seq[i].value.c_str=value.as_string().cstr();
389: else
390: seq[i].value.d=value.as_double();
1.32 paf 391: }
392: // sort keys
1.34 paf 393: _qsort(seq, table.size(), sizeof(Seq_item),
394: key_values_are_strings?sort_cmp_string:sort_cmp_double);
1.32 paf 395:
1.34 paf 396: // reorder table as they require in 'seq'
397: for(i=0; i<table.size(); i++)
398: table.put(i, seq[reverse?table.size()-1-i:i].row);
1.32 paf 399:
1.34 paf 400: // reset 'current'
1.32 paf 401: table.set_current(0);
402: }
403:
1.61 paf 404: static void _locate(Request& r, const String& method_name, MethodParams *params) {
1.72 paf 405: Pool& pool=r.pool();
406:
1.36 paf 407: VTable& vtable=*static_cast<VTable *>(r.self);
408: Table& table=vtable.table();
1.72 paf 409: Value& result=*new(pool) VBool(pool, table.locate(
1.61 paf 410: params->get(0).as_string(),
1.72 paf 411: params->get(1).as_string()));
412: result.set_name(method_name);
413: r.write_no_lang(result);
1.37 paf 414: }
415:
1.61 paf 416: static void _flip(Request& r, const String& method_name, MethodParams *params) {
1.39 paf 417: Pool& pool=r.pool();
418: VTable& vtable=*static_cast<VTable *>(r.self);
419:
420: Table& old_table=*vtable.get_table();
421: Table& new_table=*new(pool) Table(pool, &method_name, 0/*nameless*/);
422: if(old_table.size())
423: if(int old_cols=old_table.at(0).size())
424: for(int column=0; column<old_cols; column++) {
425: Array& new_row=*new(pool) Array(pool, old_table.size());
426: for(int i=0; i<old_table.size(); i++) {
427: const Array& old_row=old_table.at(i);
428: new_row+=column<old_row.size()?old_row.get(column):empty_string;
429: }
430: new_table+=&new_row;
431: }
432:
433: vtable.set_table(new_table);
434: }
435:
1.61 paf 436: static void _append(Request& r, const String& method_name, MethodParams *params) {
1.41 paf 437: Pool& pool=r.pool();
438: // data is last parameter
1.61 paf 439: const String& string=
440: r.process(params->get_junction(0, "body must be code")).as_string();
1.41 paf 441:
442: // parse cells
443: Array& row=*new(pool) Array(pool);
1.46 paf 444: string.split(row, 0, "\t", 1, String::UL_CLEAN);
1.41 paf 445:
1.66 paf 446: VTable& vtable=*static_cast<VTable *>(r.self);
447: // disable ^a.menu{^a.append[]}
448: vtable.lock();
449: vtable.table()+=&row;
450: vtable.unlock();
1.41 paf 451: }
452:
1.61 paf 453: static void _join(Request& r, const String& method_name, MethodParams *params) {
1.42 paf 454: Pool& pool=r.pool();
455:
1.61 paf 456: Table *maybe_src=params->get_no_junction(0, "table ref must not be code").get_table();
1.42 paf 457: if(!maybe_src)
1.49 paf 458: PTHROW(0, 0,
1.42 paf 459: &method_name,
460: "source is not a table");
461:
462: Table& src=*maybe_src;
463: Table& dest=static_cast<VTable *>(r.self)->table();
464: if(&src == &dest)
1.49 paf 465: PTHROW(0, 0,
1.42 paf 466: &method_name,
467: "source and destination are same table");
468:
469: if(const Array *dest_columns=dest.columns()) { // dest is named
470: int saved_src_current=src.current();
471: for(int src_row=0; src_row<src.size(); src_row++) {
472: src.set_current(src_row);
473: Array& dest_row=*new(pool) Array(pool);
474: for(int dest_column=0; dest_column<dest_columns->size(); dest_column++)
475: dest_row+=src.item(*dest_columns->get_string(dest_column));
476: dest+=&dest_row;
477: }
478: src.set_current(saved_src_current);
479: } else { // dest is nameless
480: for(int src_row=0; src_row<src.size(); src_row++)
481: dest+=&src.at(src_row);
482: }
483: }
484:
1.61 paf 485: static void _sql(Request& r, const String& method_name, MethodParams *params) {
1.49 paf 486: Pool& pool=r.pool();
487:
488: if(!r.connection)
489: PTHROW(0, 0,
490: &method_name,
491: "without connect");
492:
1.61 paf 493: Value& statement=params->get_junction(0, "statement must be code");
1.49 paf 494:
1.53 paf 495: ulong limit=0;
1.49 paf 496: if(params->size()>1) {
1.61 paf 497: Value& limit_code=params->get_junction(1, "limit must be expression");
1.53 paf 498: limit=(uint)r.process(limit_code).as_double();
1.49 paf 499: }
500:
1.51 paf 501: ulong offset=0;
1.49 paf 502: if(params->size()>2) {
1.61 paf 503: Value& offset_code=params->get_junction(2, "offset must be expression");
1.51 paf 504: offset=(ulong)r.process(offset_code).as_double();
1.49 paf 505: }
506:
1.54 paf 507: Temp_lang temp_lang(r, String::UL_SQL);
508: const String& statement_string=r.process(statement).as_string();
1.55 paf 509: const char *statement_cstr=
510: statement_string.cstr(String::UL_UNSPECIFIED, r.connection);
1.51 paf 511: unsigned int sql_column_count; SQL_Driver::Cell *sql_columns;
512: unsigned long sql_row_count; SQL_Driver::Cell **sql_rows;
1.52 paf 513: bool need_rethrow=false; Exception rethrow_me;
514: PTRY {
515: r.connection->query(
1.53 paf 516: statement_cstr, offset, limit,
1.52 paf 517: &sql_column_count, &sql_columns,
518: &sql_row_count, &sql_rows);
519: }
520: PCATCH(e) { // connect/process problem
521: rethrow_me=e; need_rethrow=true;
522: }
523: PEND_CATCH
524: if(need_rethrow)
525: PTHROW(rethrow_me.type(), rethrow_me.code(),
1.53 paf 526: &statement_string, // setting more specific source [were url]
1.52 paf 527: rethrow_me.comment());
1.51 paf 528:
529: Array& table_columns=*new(pool) Array(pool);
530: for(unsigned int i=0; i<sql_column_count; i++) {
531: String& table_column=*new(pool) String(pool);
532: table_column.APPEND_TAINTED(
533: (const char *)sql_columns[i].ptr, sql_columns[i].size,
534: statement_cstr, 0);
535: table_columns+=&table_column;
536: }
537:
538: Table& table=*new(pool) Table(pool, &method_name, &table_columns);
539:
540: {
541: for(unsigned long r=0; r<sql_row_count; r++) {
542: SQL_Driver::Cell *sql_cells=sql_rows[r];
543: Array& table_row=*new(pool) Array(pool);
544:
545: for(unsigned int i=0; i<sql_column_count; i++) {
546: String& table_cell=*new(pool) String(pool);
547: table_cell.APPEND_TAINTED(
548: (const char *)sql_cells[i].ptr, sql_cells[i].size,
549: statement_cstr, r);
550: table_row+=&table_cell;
551: }
552: table+=&table_row;
553: }
554: }
1.49 paf 555:
556: // replace any previous table value
557: static_cast<VTable *>(r.self)->set_table(table);
558: }
559:
1.61 paf 560: static void _dir(Request& r, const String& method_name, MethodParams *params) {
1.58 paf 561: Pool& pool=r.pool();
562:
1.61 paf 563: Value& relative_path=params->get_no_junction(0, "path must not be code");
1.58 paf 564:
1.59 paf 565: const String *regexp;
566: pcre *regexp_code;
567: int ovecsize;
568: int *ovector;
569: if(params->size()>1) {
1.61 paf 570: regexp=¶ms->get_no_junction(1, "regexp must not be code").as_string();
1.59 paf 571:
572: const char *pattern=regexp->cstr(String::UL_AS_IS);
573: const char *errptr;
574: int erroffset;
575: regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL,
576: &errptr, &erroffset,
1.63 paf 577: r.pcre_tables);
1.59 paf 578:
579: if(!regexp_code)
580: PTHROW(0, 0,
581: ®exp->mid(erroffset, regexp->size()),
582: "regular expression syntax error - %s", errptr);
583:
584: ovector=(int *)malloc(sizeof(int)*(ovecsize=(1/*match*/)*3));
585: } else
586: regexp_code=0;
587:
588:
1.58 paf 589: const char* absolute_path_cstr=r.absolute(relative_path.as_string())
590: .cstr(String::UL_FILE_NAME);
591:
592: Array& columns=*new(pool) Array(pool);
593: columns+=new(pool) String(pool, "name");
594: Table& table=*new(pool) Table(pool, &method_name, &columns);
595:
596: LOAD_DIR(absolute_path_cstr,
597: size_t file_name_size=strlen(ffblk.ff_name);
1.59 paf 598: bool suits=true;
599: if(regexp_code) {
600: int exec_result=pcre_exec(regexp_code, 0,
601: ffblk.ff_name, file_name_size, 0,
602: 0, ovector, ovecsize);
603:
604: if(exec_result==PCRE_ERROR_NOMATCH)
605: suits=false;
606: else if(exec_result<0) {
607: (*pcre_free)(regexp_code);
608: PTHROW(0, 0,
609: regexp,
1.60 paf 610: "regular expression execute (%d)",
1.59 paf 611: exec_result);
612: }
613: }
614:
615: if(suits) {
616: char *file_name_cstr=(char *)r.malloc(file_name_size);
617: memcpy(file_name_cstr, ffblk.ff_name, file_name_size);
618: String &file_name=*new(pool) String(pool);
1.69 paf 619: file_name.APPEND(file_name_cstr, file_name_size, String::UL_FILE_NAME,
1.59 paf 620: method_name.origin().file, method_name.origin().line);
621:
622: Array& row=*new(pool) Array(pool);
623: row+=&file_name;
624: table+=&row;
625: }
1.58 paf 626: );
1.59 paf 627:
628: if(regexp_code)
629: (*pcre_free)(regexp_code);
1.58 paf 630:
631: // replace any previous table value
632: static_cast<VTable *>(r.self)->set_table(table);
633: }
634:
1.66 paf 635: // constructor
636:
637: MTable::MTable(Pool& apool) : Methoded(apool) {
638: set_name(*NEW String(pool(), TABLE_CLASS_NAME));
639:
1.49 paf 640: // ^table:set{data}
641: // ^table:set[nameless]{data}
1.66 paf 642: add_native_method("set", Method::CT_DYNAMIC, _set, 1, 2);
1.2 paf 643:
1.49 paf 644: // ^table:load[file]
645: // ^table:load[nameless;file]
1.66 paf 646: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2);
1.22 paf 647:
648: // ^table.save[file]
649: // ^table.save[nameless;file]
1.66 paf 650: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2);
1.6 paf 651:
652: // ^table.count[]
1.66 paf 653: add_native_method("count", Method::CT_DYNAMIC, _count, 0, 0);
1.6 paf 654:
655: // ^table.line[]
1.66 paf 656: add_native_method("line", Method::CT_DYNAMIC, _line, 0, 0);
1.6 paf 657:
1.10 paf 658: // ^table.offset[]
659: // ^table.offset[offset]
1.66 paf 660: add_native_method("offset", Method::CT_DYNAMIC, _offset, 0, 1);
1.7 paf 661:
1.10 paf 662: // ^table.menu{code}
663: // ^table.menu{code}[delim]
1.66 paf 664: add_native_method("menu", Method::CT_DYNAMIC, _menu, 1, 2);
1.8 paf 665:
1.10 paf 666: // ^table.empty{code-when-empty}
667: // ^table.empty{code-when-empty}{code-when-not}
1.66 paf 668: add_native_method("empty", Method::CT_DYNAMIC, _empty, 1, 2);
1.29 paf 669:
670: // ^table.record[]
1.66 paf 671: add_native_method("record", Method::CT_DYNAMIC, _record, 0, 0);
1.74 ! paf 672:
! 673: /** @fn _hash
! 674: ^table:hash[key field name]
! 675: ^table:hash[key field name][value field name;...]
! 676: */
! 677: add_native_method("hash", Method::CT_DYNAMIC, _hash, 1, 1000);
1.32 paf 678:
679: // ^table.sort{string-key-maker} ^table.sort{string-key-maker}[asc|desc]
680: // ^table.sort(numeric-key-maker) ^table.sort(numeric-key-maker)[asc|desc]
1.66 paf 681: add_native_method("sort", Method::CT_DYNAMIC, _sort, 1, 2);
1.8 paf 682:
1.36 paf 683: // ^table.locate[field;value]
1.66 paf 684: add_native_method("locate", Method::CT_DYNAMIC, _locate, 2, 2);
1.39 paf 685:
686: // ^table.flip[]
1.66 paf 687: add_native_method("flip", Method::CT_DYNAMIC, _flip, 0, 0);
1.41 paf 688:
689: // ^table.append{r{tab}e{tab}c{tab}o{tab}r{tab}d}
1.66 paf 690: add_native_method("append", Method::CT_DYNAMIC, _append, 1, 1);
1.42 paf 691:
692: // ^table.join[table]
1.66 paf 693: add_native_method("join", Method::CT_DYNAMIC, _join, 1, 1);
1.49 paf 694:
695:
1.51 paf 696: // ^table:sql[query][(count[;offset])]
1.66 paf 697: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 3);
1.58 paf 698:
699: // ^table:dir[path]
700: // ^table:dir[path][regexp]
1.66 paf 701: add_native_method("dir", Method::CT_DYNAMIC, _dir, 1, 2);
702: }
703:
704: // global variable
705:
706: Methoded *table_class;
707:
708: // creator
709:
710: Methoded *MTable_create(Pool& pool) {
711: return table_class=new(pool) MTable(pool);
1.40 paf 712: }
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