Annotation of parser3/src/classes/table.C, revision 1.225
1.20 paf 1: /** @file
1.47 paf 2: Parser: @b table parser class.
1.20 paf 3:
1.210 paf 4: Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com)
1.144 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.154 paf 6: */
1.221 paf 7:
1.225 ! misha 8: static const char * const IDENT_TABLE_C="$Date: 2007/03/14 10:57:52 $";
1.224 misha 9:
10: #include <sstream>
11: using namespace std;
1.1 paf 12:
1.105 parser 13: #include "classes.h"
1.182 paf 14: #include "pa_vmethod_frame.h"
15:
1.16 paf 16: #include "pa_common.h"
1.1 paf 17: #include "pa_request.h"
18: #include "pa_vtable.h"
1.6 paf 19: #include "pa_vint.h"
1.51 paf 20: #include "pa_sql_connection.h"
1.72 paf 21: #include "pa_vbool.h"
1.1 paf 22:
1.66 paf 23: // class
24:
1.182 paf 25: class MTable: public Methoded {
1.66 paf 26: public: // VStateless_class
1.209 paf 27: Value* create_new_value(Pool&, HashStringValue&) { return new VTable(); }
1.66 paf 28:
29: public:
1.182 paf 30: MTable();
1.70 paf 31:
32: public: // Methoded
1.66 paf 33: bool used_directly() { return true; }
34: };
1.1 paf 35:
1.182 paf 36: // global variable
37:
38: DECLARE_CLASS_VAR(table, new MTable, 0);
39:
1.221 paf 40: // externs
41:
42: extern String cycle_data_name;
43:
1.182 paf 44: // defines for globals
45:
1.203 paf 46: #define SQL_BIND_NAME "bind"
1.182 paf 47: #define SQL_DEFAULT_NAME "default"
48: #define SQL_DISTINCT_NAME "distinct"
49: #define TABLE_REVERSE_NAME "reverse"
50:
51: // globals
52:
1.203 paf 53: String sql_bind_name(SQL_BIND_NAME);
1.214 paf 54: String sql_limit_name(PA_SQL_LIMIT_NAME);
55: String sql_offset_name(PA_SQL_OFFSET_NAME);
1.182 paf 56: String sql_default_name(SQL_DEFAULT_NAME);
57: String sql_distinct_name(SQL_DISTINCT_NAME);
58: String table_reverse_name(TABLE_REVERSE_NAME);
59:
1.1 paf 60: // methods
1.66 paf 61:
1.182 paf 62: static Table::Action_options get_action_options(Request& r, MethodParams& params,
63: const Table& source) {
1.176 paf 64: Table::Action_options result;
1.182 paf 65: if(!params.count())
66: return result;
67:
68: Value& maybe_options=params.last();
69: /* can not do it:
70: want to enable ^table::create[$source;
71: # $.option[]
72: ]
73: but there is ^table.locate[name;value]
1.176 paf 74:
1.212 paf 75: ...if(voptions.is_defined() && !voptions.is_string()))
1.182 paf 76: if(maybe_options.is_string()) { // allow empty options
77: result.defined=true;
1.176 paf 78: return result;
1.182 paf 79: }
80: */
81: HashStringValue* options=maybe_options.get_hash();
1.176 paf 82: if(!options)
83: return result;
84:
85: result.defined=true;
86: bool defined_offset=false;
87:
88: int valid_options=0;
1.182 paf 89: if(Value* voffset=options->get(sql_offset_name)) {
1.176 paf 90: valid_options++;
91: defined_offset=true;
92: if(voffset->is_string()) {
1.182 paf 93: const String& soffset=*voffset->get_string();
1.176 paf 94: if(soffset == "cur")
95: result.offset=source.current();
96: else
1.164 paf 97: throw Exception("parser.runtime",
1.176 paf 98: &soffset,
99: "must be 'cur' string or expression");
100: } else
101: result.offset=r.process_to_value(*voffset).as_int();
102: }
1.182 paf 103: if(Value* vlimit=options->get(sql_limit_name)) {
1.176 paf 104: valid_options++;
105: result.limit=r.process_to_value(*vlimit).as_int();
106: }
1.182 paf 107: if(Value *vreverse=(Value *)options->get(table_reverse_name)) {
108: valid_options++;
109: result.reverse=r.process_to_value(*vreverse).as_bool();
110: if(result.reverse && !defined_offset)
111: result.offset=source.count()-1;
112: }
113:
114: if(valid_options!=options->count())
1.176 paf 115: throw Exception("parser.runtime",
1.182 paf 116: 0,
1.176 paf 117: "called with invalid option");
118:
119: return result;
120: }
1.180 paf 121: static void check_option_param(bool options_defined,
1.182 paf 122: MethodParams& params, size_t next_param_index,
1.176 paf 123: const char *msg) {
1.182 paf 124: if(next_param_index+(options_defined?1:0) != params.count())
1.176 paf 125: throw Exception("parser.runtime",
1.182 paf 126: 0,
1.176 paf 127: "%s", msg);
1.157 paf 128: }
129:
1.182 paf 130: static void _create(Request& r, MethodParams& params) {
1.157 paf 131: // clone/copy part?
1.182 paf 132: if(Table *source=params[0].get_table()) {
133: Table::Action_options o=get_action_options(r, params, *source);
134: check_option_param(o.defined, params, 1,
1.176 paf 135: "too many parameters");
1.182 paf 136: GET_SELF(r, VTable).set_table(*new Table(*source, o));
1.157 paf 137: return;
138: }
1.142 paf 139:
1.1 paf 140: // data is last parameter
1.182 paf 141: Temp_lang temp_lang(r, String::L_PASS_APPENDED);
142: const String& data=
143: r.process_to_string(params.as_junction(params.count()-1, "body must be code"));
1.44 paf 144:
145: // parse columns
1.182 paf 146: size_t raw_pos_after=0;
147: Table::columns_type columns;
148: if(params.count()==2) {
1.216 paf 149: const String& snameless=params.as_string(0, "called with two params, first param may only be string 'nameless'");
1.213 paf 150: if(snameless!="nameless")
151: throw Exception("parser.runtime",
152: &snameless,
153: "table::create called with two params, first param may only be 'nameless'");
1.182 paf 154: columns=Table::columns_type(0); // nameless
1.21 paf 155: } else {
1.182 paf 156: columns=Table::columns_type(new ArrayString);
1.44 paf 157:
1.182 paf 158: ArrayString head;
159: data.split(head, raw_pos_after, "\n", String::L_AS_IS, 1);
160: if(head.count()) {
161: size_t col_pos_after=0;
162: head[0]->split(*columns, col_pos_after, "\t", String::L_AS_IS);
163: }
1.44 paf 164: }
165:
1.182 paf 166: Table& table=*new Table(columns);
1.44 paf 167: // parse cells
1.182 paf 168:
169: ArrayString rows;
170: data.split(rows, raw_pos_after, "\n", String::L_AS_IS);
171: Array_iterator<const String*> i(rows);
1.98 parser 172: while(i.has_next()) {
1.182 paf 173: Table::element_type row(new ArrayString);
174: const String& string=*i.next();
1.118 parser 175: // remove comment lines
1.182 paf 176: if(!string.length())
1.44 paf 177: continue;
178:
1.182 paf 179: size_t col_pos_after=0;
180: string.split(*row, col_pos_after, "\t", String::L_AS_IS);
181: table+=row;
1.17 paf 182: }
1.1 paf 183:
1.44 paf 184: // replace any previous table value
1.182 paf 185: GET_SELF(r, VTable).set_table(table);
1.44 paf 186: }
187:
1.187 paf 188: struct lsplit_result {
189: char* piece;
190: char delim;
191:
192: operator bool() { return piece!=0; }
193: };
194:
195: inline lsplit_result lsplit(char* string, char delim1, char delim2) {
196: lsplit_result result;
197: if(string) {
198: char delims[]={delim1, delim2, 0};
199: if(char* v=strpbrk(string, delims)) {
200: result.delim=*v;
201: *v=0;
202: result.piece=v+1;
203: return result;
204: }
205: }
206: result.piece=0;
207: result.delim=0;
208: return result;
209: }
210:
211: inline lsplit_result lsplit(char* *string_ref, char delim1, char delim2) {
212: lsplit_result result;
213: result.piece=*string_ref;
214: lsplit_result next=lsplit(*string_ref, delim1, delim2);
215: result.delim=next.delim;
216: *string_ref=next.piece;
217: return result;
218: }
219:
220: static lsplit_result lsplit(char** string_ref, char delim1, char delim2, char encloser) {
221: lsplit_result result;
222:
223: if(char* string=*string_ref) {
224: if(encloser && *string==encloser) {
225: string++;
226:
227: char *read;
228: char *write;
229: write=read=string;
230: char c;
1.193 paf 231: while((c=*read++)) {
1.187 paf 232: if(c==encloser) {
233: char n=*read;
234: if(n==encloser) // double-encloser stands for encloser
235: read++;
236: else if(n==delim1 || n==delim2) {
237: result.delim=n;
238: read++;
239: break;
240: }
241: }
242:
243: *write++=c;
244: }
245: *write=0; // terminate
246: *string_ref=c? read: 0;
247: result.piece=string;
248: return result;
249: } else
250: return lsplit(string_ref, delim1, delim2);
251: }
252: result.piece=0;
253: return result;
254: }
255:
256: static void skip_empty_and_comment_lines( char** data_ref ) {
257: if(char *data=*data_ref) {
258: while( char c=*data ) {
259: if( c== '\n' || c == '#' ) {
260: /*nowhere=*/getrow(&data); // remove empty&comment lines
1.199 paf 261: if(!(*data_ref=data))
262: break;
1.187 paf 263: continue;
264: }
265: break;
266: }
267: }
268: }
269:
270: struct TableSeparators {
1.206 paf 271: char column; const String* scolumn;
272: char encloser; const String* sencloser;
273:
274: TableSeparators():
275: column('\t'), scolumn(new String("\t", false)),
276: encloser(0), sencloser(0)
277: {}
1.214 paf 278: int load( HashStringValue& options ) {
279: int result=0;
280: if(Value* vseparator=options.get(PA_COLUMN_SEPARATOR_NAME)) {
1.206 paf 281: scolumn=&vseparator->as_string();
282: if(scolumn->length()!=1)
1.187 paf 283: throw Exception("parser.runtime",
1.206 paf 284: scolumn,
1.187 paf 285: "separator must be one character long");
1.206 paf 286: column=scolumn->first_char();
1.214 paf 287: result++;
1.187 paf 288: }
1.214 paf 289: if(Value* vencloser=options.get(PA_COLUMN_ENCLOSER_NAME)) {
1.188 paf 290: sencloser=&vencloser->as_string();
291: if(sencloser->length()!=1)
1.187 paf 292: throw Exception("parser.runtime",
1.188 paf 293: sencloser,
1.187 paf 294: "encloser must be one character long");
1.188 paf 295: encloser=sencloser->first_char();
1.214 paf 296: result++;
1.187 paf 297: }
1.214 paf 298: return result;
1.187 paf 299: }
300: };
301:
1.182 paf 302: static void _load(Request& r, MethodParams& params) {
303: const String& first_param=params.as_string(0, "file name must be string");
1.168 paf 304: int filename_param_index=0;
305: bool nameless=first_param=="nameless";
306: if(nameless)
307: filename_param_index++;
1.182 paf 308: size_t options_param_index=filename_param_index+1;
1.186 paf 309:
310: HashStringValue *options=0;
1.187 paf 311: TableSeparators separators;
1.186 paf 312: if(options_param_index<params.count()
313: && (options=params.as_no_junction(options_param_index, "additional params must be hash").get_hash())) {
314: // cloning, so that we could change [to simplify checks on params inside file_read_text
315: options=new HashStringValue(*options);
1.187 paf 316: separators.load(*options);
1.186 paf 317: }
318:
1.44 paf 319: // loading text
1.182 paf 320: char *data=file_read_text(r.charsets,
321: r.absolute(params.as_string(filename_param_index, "file name must be string")),
1.168 paf 322: true,
1.186 paf 323: options
1.168 paf 324: );
1.44 paf 325:
1.1 paf 326: // parse columns
1.182 paf 327: Table::columns_type columns;
1.168 paf 328: if(nameless) {
1.182 paf 329: columns=Table::columns_type(0); // nameless
1.1 paf 330: } else {
1.182 paf 331: columns=Table::columns_type(new ArrayString);
1.1 paf 332:
1.187 paf 333: skip_empty_and_comment_lines(&data);
334: while( lsplit_result sr=lsplit(&data, separators.column, '\n', separators.encloser) ) {
335: *columns+=new String(sr.piece, 0, true);
336: if(sr.delim=='\n')
337: break;
1.139 paf 338: }
1.1 paf 339: }
1.187 paf 340:
341: Table& table=*new Table(columns);
1.219 paf 342: int columns_count=columns? columns->count(): 0;
1.1 paf 343:
344: // parse cells
1.218 paf 345: Table::element_type row(new ArrayString(columns_count));
1.187 paf 346: skip_empty_and_comment_lines(&data);
347: while( lsplit_result sr=lsplit(&data, separators.column, '\n', separators.encloser) ) {
1.201 paf 348: if(!*sr.piece && !sr.delim && !row->count()) // append last empty column [if without \n]
349: break;
1.187 paf 350: *row+=new String(sr.piece, 0, true);
351: if(sr.delim=='\n') {
352: table+=row;
1.218 paf 353: row=new ArrayString(columns_count);
1.187 paf 354: skip_empty_and_comment_lines(&data);
1.1 paf 355: }
1.187 paf 356: }
357: // last line [if without \n]
358: if(row->count())
1.1 paf 359: table+=row;
1.187 paf 360:
1.1 paf 361: // replace any previous table value
1.182 paf 362: GET_SELF(r, VTable).set_table(table);
1.1 paf 363: }
1.2 paf 364:
1.224 misha 365: void maybe_enclose( String& to, const String& from, char encloser, const String* sencloser ) {
1.188 paf 366: if(encloser) {
367: to<<*sencloser;
368: // while we have 'encloser'...
1.189 paf 369: size_t pos_after=0;
1.220 paf 370: for( size_t pos_before; (pos_before=from.pos( encloser, pos_after ))!=STRING_NOT_FOUND; pos_after=pos_before) {
371: pos_before++; // including first encloser (and skipping it for next pos)
372: to<<from.mid(pos_after, pos_before);
373: to<<*sencloser; // doubling encloser
1.188 paf 374: }
375: // last piece
376: size_t from_length=from.length();
377: if(pos_after<from_length)
378: to<<from.mid(pos_after, from_length);
379:
380: to<<*sencloser;
381: } else
1.202 paf 382: to<<from;
1.188 paf 383: }
384:
1.224 misha 385: void maybe_enclose( ostringstream& to, const String& from, char encloser ) {
386: if(encloser) {
387: to<<encloser;
388: // while we have 'encloser'...
389: size_t pos_after=0;
390: for( size_t pos_before; (pos_before=from.pos( encloser, pos_after ))!=STRING_NOT_FOUND; pos_after=pos_before) {
391: pos_before++; // including first encloser (and skipping it for next pos)
392: to<<from.mid(pos_after, pos_before).cstr();
393: to<<encloser; // doubling encloser
394: }
395: // last piece
396: size_t from_length=from.length();
397: if(pos_after<from_length)
398: to<<from.mid(pos_after, from_length).cstr();
399:
400: to<<encloser;
401: } else
402: to<<from.cstr();
403: }
404:
1.188 paf 405:
1.224 misha 406: static void _save_old(Request& r, MethodParams& params) {
1.188 paf 407: const String& first_arg=params.as_string(0, "first argument must not be code");
408: size_t param_index=1;
409:
410: bool do_append=false;
411: bool output_column_names=true;
412:
413: // mode?
414: if(first_arg=="append")
415: do_append=true;
416: else if(first_arg=="nameless")
417: output_column_names=false;
418: else
419: --param_index;
420:
421: const String& file_name=params.as_string(param_index++, "file name must not be code");
422:
423: TableSeparators separators;
424: if(param_index<params.count()) {
1.222 paf 425: Value& voptions=params.as_no_junction(param_index++, "additional params must be hash");
426: if( voptions.is_defined() && !voptions.is_string() ) {
427: if(HashStringValue* options=voptions.get_hash()) {
1.223 paf 428: int valid_options=separators.load(*options);
429: if(valid_options!=options->count())
430: throw Exception("parser.runtime",
431: 0,
432: "invalid option passed");
433: } else {
1.188 paf 434: throw Exception("parser.runtime",
435: 0,
1.223 paf 436: "additional params must be hash (did you spell mode parameter correctly?)");
437: }
1.222 paf 438: }
1.188 paf 439: }
440: if(param_index<params.count())
441: throw Exception("parser.runtime",
442: 0,
443: "bad mode (must be nameless or append)");
1.22 paf 444:
1.182 paf 445: Table& table=GET_SELF(r, VTable).table();
1.31 paf 446:
1.182 paf 447: String sdata;
1.188 paf 448: if(output_column_names) {
1.31 paf 449: if(table.columns()) { // named table
1.182 paf 450: for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) {
1.188 paf 451: maybe_enclose( sdata, *i.next(), separators.encloser, separators.sencloser );
1.98 parser 452: if(i.has_next())
1.206 paf 453: sdata<<*separators.scolumn;
1.31 paf 454: }
1.188 paf 455: } else { // nameless table [we were asked to output column names]
1.182 paf 456: if(int lsize=table.count()?table[0]->count():0)
1.31 paf 457: for(int column=0; column<lsize; column++) {
1.182 paf 458: char *cindex_tab=new(PointerFreeGC) char[MAX_NUMBER];
459: sdata.append_know_length(cindex_tab,
1.185 paf 460: snprintf(cindex_tab, MAX_NUMBER,
1.206 paf 461: column<lsize-1?"%d%c":"%d", column, separators.column),
1.185 paf 462: String::L_CLEAN);
1.31 paf 463: }
464: else
1.182 paf 465: sdata.append_help_length("empty nameless table", 0, String::L_CLEAN);
1.31 paf 466: }
1.182 paf 467: sdata.append_know_length("\n", 1, String::L_CLEAN);
1.188 paf 468: }
1.129 paf 469:
1.31 paf 470: // data lines
1.182 paf 471: Array_iterator<ArrayString*> i(table);
1.98 parser 472: while(i.has_next()) {
1.182 paf 473: for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) {
1.188 paf 474: maybe_enclose( sdata, *c.next(), separators.encloser, separators.sencloser );
1.98 parser 475: if(c.has_next())
1.206 paf 476: sdata<<*separators.scolumn;
1.31 paf 477: }
1.182 paf 478: sdata.append_know_length("\n", 1, String::L_CLEAN);
1.31 paf 479: }
480:
481: // write
1.217 paf 482: {
483: const char* data_cstr=sdata.cstr();
484: file_write(r.absolute(file_name),
485: data_cstr, sdata.length(), true, do_append);
486: if(*data_cstr) // not empty (when empty it's not heap memory)
487: pa_free((void*)data_cstr); // not needed anymore
488: }
1.22 paf 489: }
490:
1.224 misha 491: static void _save(Request& r, MethodParams& params) {
492: const String& first_arg=params.as_string(0, "first argument must not be code");
493: size_t param_index=1;
494:
495: bool do_append=false;
496: bool output_column_names=true;
497:
498: // mode?
499: if(first_arg=="append")
500: do_append=true;
501: else if(first_arg=="nameless")
502: output_column_names=false;
503: else
504: --param_index;
505:
506: const String& file_name=params.as_string(param_index++, "file name must not be code");
507:
508: TableSeparators separators;
509: if(param_index<params.count()) {
510: Value& voptions=params.as_no_junction(param_index++, "additional params must be hash");
511: if( voptions.is_defined() && !voptions.is_string() ) {
512: if(HashStringValue* options=voptions.get_hash()) {
513: int valid_options=separators.load(*options);
514: if(valid_options!=options->count())
515: throw Exception("parser.runtime",
516: 0,
517: "invalid option passed");
518: } else {
519: throw Exception("parser.runtime",
520: 0,
521: "additional params must be hash (did you spell mode parameter correctly?)");
522: }
523: }
524: }
525: if(param_index<params.count())
526: throw Exception("parser.runtime",
527: 0,
528: "bad mode (must be nameless or append)");
529:
530: Table& table=GET_SELF(r, VTable).table();
531:
532: ostringstream ost(stringstream::out);
533:
534: // process header
535: if(output_column_names) {
536: if(table.columns()) { // named table
537: for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) {
538: maybe_enclose( ost, *i.next(), separators.encloser );
539: if(i.has_next()){
540: ost<<separators.column;
541: }
542: }
543: } else { // nameless table [we were asked to output column names]
544: if(int lsize=table.count()?table[0]->count():0)
545: for(int column=0; column<lsize; column++) {
1.225 ! misha 546: if(separators.encloser) {
! 547: ost<<separators.encloser<<column<<separators.encloser;
! 548: } else {
1.224 misha 549: ost<<column;
1.225 ! misha 550: }
1.224 misha 551: if(column<lsize-1){
552: ost<<separators.column;
553: }
554: }
555: else
556: ost<<"empty nameless table";
557: }
558: ost<<'\n';
559: }
560:
561: // process data lines
562: Array_iterator<ArrayString*> i(table);
563: while(i.has_next()) {
564: for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) {
565: maybe_enclose( ost, *c.next(), separators.encloser );
566: if(c.has_next())
567: ost<<separators.column;
568: }
569: ost<<'\n';
570: }
571:
572: // write
573: {
574: string data=ost.str();
575: const char* data_cstr = data.c_str();
576:
577: file_write(r.absolute(file_name), data_cstr, data.length(), true /* as text */, do_append);
578: }
579: }
580:
1.182 paf 581: static void _count(Request& r, MethodParams&) {
582: int result=GET_SELF(r, VTable).table().count();
583: r.write_no_lang(*new VInt(result));
1.6 paf 584: }
585:
1.182 paf 586: static void _line(Request& r, MethodParams&) {
587: int result=1+GET_SELF(r, VTable).table().current();
588: r.write_no_lang(*new VInt(result));
1.6 paf 589: }
590:
1.182 paf 591: static void _offset(Request& r, MethodParams& params) {
592: Table& table=GET_SELF(r, VTable).table();
593: if(params.count()) {
1.133 paf 594: bool absolute=false;
1.182 paf 595: if(params.count()>1) {
596: const String& whence=params.as_string(0, "whence must be string");
1.133 paf 597: if(whence=="cur")
1.134 paf 598: absolute=false;
1.133 paf 599: else if(whence=="set")
1.134 paf 600: absolute=true;
1.133 paf 601: else
1.146 paf 602: throw Exception("parser.runtime",
1.134 paf 603: &whence,
604: "is invalid whence, valid are 'cur' or 'set'");
1.157 paf 605: }
1.133 paf 606:
1.211 paf 607: int offset=params.as_int(params.count()-1, "offset must be expression", r);
608: table.offset(absolute, offset);
1.151 paf 609: } else
1.182 paf 610: r.write_no_lang(*new VInt(table.current()));
1.6 paf 611: }
612:
1.182 paf 613: static void _menu(Request& r, MethodParams& params) {
1.221 paf 614: Temp_hash_value<const String::Body, void*>
615: cycle_data_setter(r.classes_conf, cycle_data_name, /*any not null flag*/&r);
616:
1.182 paf 617: Value& body_code=params.as_junction(0, "body must be code");
1.7 paf 618:
1.182 paf 619: Value* delim_maybe_code=params.count()>1?¶ms[1]:0;
1.7 paf 620:
1.182 paf 621: Table& table=GET_SELF(r, VTable).table();
1.7 paf 622: bool need_delim=false;
1.99 parser 623: int saved_current=table.current();
1.182 paf 624: int size=table.count();
1.99 parser 625: for(int row=0; row<size; row++) {
1.22 paf 626: table.set_current(row);
1.7 paf 627:
1.161 paf 628: StringOrValue sv_processed=r.process(body_code);
1.221 paf 629: Request::Skip lskip=r.get_skip(); r.set_skip(Request::SKIP_NOTHING);
1.182 paf 630: const String* s_processed=sv_processed.get_string();
631: if(delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body
1.161 paf 632: if(need_delim) // need delim & iteration produced string?
1.150 paf 633: r.write_pass_lang(r.process(*delim_maybe_code));
1.7 paf 634: need_delim=true;
635: }
1.161 paf 636: r.write_pass_lang(sv_processed);
1.221 paf 637:
638: if(lskip==Request::SKIP_BREAK)
639: break;
1.7 paf 640: }
1.99 parser 641: table.set_current(saved_current);
1.7 paf 642: }
643:
1.110 parser 644: #ifndef DOXYGEN
1.174 paf 645: enum Table2hash_distint { D_ILLEGAL, D_FIRST, D_TABLES };
1.74 paf 646: struct Row_info {
1.166 paf 647: Request *r;
1.74 paf 648: Table *table;
1.182 paf 649: Value* key_code;
650: size_t key_field;
651: Array<int>* value_fields;
652: HashStringValue* hash;
1.174 paf 653: Table2hash_distint distinct;
1.182 paf 654: size_t row;
1.74 paf 655: };
1.110 parser 656: #endif
1.182 paf 657: static void table_row_to_hash(Table::element_type row, Row_info *info) {
658: const String* key;
659: if(info->key_code) {
660: info->table->set_current(info->row++); // change context row
661: StringOrValue sv_processed=info->r->process(*info->key_code);
1.166 paf 662: key=&sv_processed.as_string();
663: } else
1.182 paf 664: key=info->key_field<row->count()?row->get(info->key_field):0;
1.166 paf 665:
666: if(!key)
667: return; // ignore rows without key [too-short-record_array if-indexed]
1.74 paf 668:
1.182 paf 669: switch(info->distinct) {
1.174 paf 670: case D_ILLEGAL: case D_FIRST:
671: {
1.182 paf 672: VHash* vhash=new VHash;
673: HashStringValue& hash=vhash->hash();
674: for(Array_iterator<int> i(*info->value_fields); i.has_next(); ) {
675: size_t value_field=i.next();
676: if(value_field<row->count())
1.174 paf 677: hash.put(
1.182 paf 678: *info->table->columns()->get(value_field),
679: new VString(*row->get(value_field)));
1.174 paf 680: }
681:
1.182 paf 682: if(info->hash->put_dont_replace(*key, vhash)) // put. existed?
683: if(info->distinct==D_ILLEGAL)
1.174 paf 684: throw Exception("parser.runtime",
685: key,
686: "duplicate key");
687: }
688: break;
689: case D_TABLES:
690: {
1.182 paf 691: VTable* vtable=(VTable*)info->hash->get(*key); // put. table existed?
1.174 paf 692: Table* table;
693: if(vtable)
694: table=vtable->get_table();
695: else {
696: // no? creating table of same structure as source
1.179 paf 697: Table::Action_options table_options(0, 0);
1.182 paf 698: table=new Table(*info->table, table_options/*no rows, just structure*/);
699: info->hash->put(*key, new VTable(table));
1.174 paf 700: }
1.182 paf 701: *table+=row;
1.174 paf 702: }
703: break;
704: default:
705: throw Exception(0,
706: 0,
1.182 paf 707: "invalid distinct code (#%d)", info->distinct);
1.74 paf 708: }
709: }
1.182 paf 710: static void _hash(Request& r, MethodParams& params) {
711: Table& self_table=GET_SELF(r, VTable).table();
712: VHash& result=*new VHash;
713: if(Table::columns_type columns=self_table.columns())
714: if(columns->count()>0) {
1.174 paf 715: Table2hash_distint distinct=D_ILLEGAL;
1.182 paf 716: int param_index=params.count()-1;
1.166 paf 717: if(param_index>0) {
1.182 paf 718: if(HashStringValue* options=
719: params.as_no_junction(param_index, "param must not be code").get_hash()) {
1.166 paf 720: --param_index;
721: int valid_options=0;
1.182 paf 722: if(Value* vdistinct_code=options->get(sql_distinct_name)) {
1.166 paf 723: valid_options++;
1.174 paf 724: Value& vdistinct_value=r.process_to_value(*vdistinct_code);
725: if(vdistinct_value.is_string()) {
726: const String& sdistinct=*vdistinct_value.get_string();
727: if(sdistinct=="tables")
728: distinct=D_TABLES;
729: else
730: throw Exception("parser.runtime",
731: &sdistinct,
732: "must be 'tables' or true/false");
733: } else
734: distinct=vdistinct_value.as_bool()?D_FIRST:D_ILLEGAL;
1.166 paf 735: }
1.182 paf 736: if(valid_options!=options->count())
1.166 paf 737: throw Exception("parser.runtime",
1.182 paf 738: 0,
1.166 paf 739: "called with invalid option");
1.163 paf 740: }
741: }
742: if(param_index==2) // bad options param type
743: throw Exception("parser.runtime",
1.182 paf 744: 0,
1.163 paf 745: "options must be hash");
746:
1.182 paf 747: Array<int> value_fields;
1.163 paf 748: if(param_index>0) {
1.174 paf 749: if(distinct!=D_ILLEGAL && distinct!=D_FIRST)
750: throw Exception("parser.runtime",
751: 0,
752: "in distinct[tables] mode you may not specify value field(s)");
1.182 paf 753: Value& value_fields_param=params.as_no_junction(param_index, "value field(s) must not be code");
1.123 parser 754: if(value_fields_param.is_string()) {
1.182 paf 755: value_fields+=self_table.column_name2index(
756: *value_fields_param.get_string(), true);
757: } else if(Table* value_fields_table=value_fields_param.get_table()) {
758: for(Array_iterator<Table::element_type> i(*value_fields_table);
759: i.has_next(); ) {
760: const String& value_field_name
761: =*i.next()->get(0);
762: value_fields
763: +=self_table.column_name2index(value_field_name, true);
1.123 parser 764: }
765: } else
1.146 paf 766: throw Exception("parser.runtime",
1.182 paf 767: 0,
1.197 paf 768: "value field(s) must be string or table"
1.123 parser 769: );
770: } else { // by all columns, including key
1.174 paf 771: if(!(distinct!=D_ILLEGAL && distinct!=D_FIRST))
1.182 paf 772: for(size_t i=0; i<columns->count(); i++)
1.174 paf 773: value_fields+=i;
1.74 paf 774: }
775:
1.182 paf 776:
777: {
778: Value* key_param=¶ms[0];
1.193 paf 779: Row_info info={
780: &r,
781: &self_table,
782: /*key_code=*/key_param->get_junction()?key_param:0,
1.197 paf 783: /*key_field=*/0/*filled below*/,
1.193 paf 784: &value_fields,
785: &result.hash(),
786: distinct,
787: /*row=*/0
788: };
1.195 paf 789: info.key_field=(info.key_code?-1
790: :self_table.column_name2index(key_param->as_string(), true));
1.182 paf 791:
792: int saved_current=self_table.current();
793: self_table.for_each(table_row_to_hash, &info);
794: self_table.set_current(saved_current);
1.207 paf 795:
796: result.extract_default();
1.182 paf 797: }
1.74 paf 798: }
1.97 parser 799: r.write_no_lang(result);
1.74 paf 800: }
801:
1.110 parser 802: #ifndef DOXYGEN
1.78 paf 803: struct Table_seq_item {
1.182 paf 804: ArrayString* row;
1.34 paf 805: union {
1.182 paf 806: const char *c_str;
1.34 paf 807: double d;
808: } value;
1.32 paf 809: };
1.110 parser 810: #endif
1.34 paf 811: static int sort_cmp_string(const void *a, const void *b) {
812: return strcmp(
1.78 paf 813: static_cast<const Table_seq_item *>(a)->value.c_str,
814: static_cast<const Table_seq_item *>(b)->value.c_str
1.34 paf 815: );
816: }
817: static int sort_cmp_double(const void *a, const void *b) {
1.78 paf 818: double va=static_cast<const Table_seq_item *>(a)->value.d;
819: double vb=static_cast<const Table_seq_item *>(b)->value.d;
1.34 paf 820: if(va<vb)
821: return -1;
822: else if(va>vb)
823: return +1;
824: else
825: return 0;
826: }
1.182 paf 827: static void _sort(Request& r, MethodParams& params) {
828: Value& key_maker=params.as_junction(0, "key-maker must be code");
1.61 paf 829:
1.182 paf 830: bool reverse=params.count()>1/*..[desc|asc|]*/?
831: reverse=params.as_no_junction(1, "order must not be code").as_string()=="desc":
1.104 parser 832: false; // default=asc
1.32 paf 833:
1.182 paf 834: Table& old_table=GET_SELF(r, VTable).table();
835: Table& new_table=*new Table(old_table.columns());
1.34 paf 836:
1.182 paf 837: Table_seq_item* seq=new(PointerFreeGC) Table_seq_item[old_table.count()];
1.34 paf 838: int i;
839:
840: // calculate key values
841: bool key_values_are_strings=true;
1.182 paf 842: int old_count=old_table.count();
843: for(i=0; i<old_count; i++) {
1.101 parser 844: old_table.set_current(i);
1.32 paf 845: // calculate key value
1.182 paf 846: seq[i].row=old_table[i];
847: Value& value=r.process_to_value(key_maker).as_expr_result(true/*return string as-is*/);
1.34 paf 848: if(i==0) // determining key values type by first one
849: key_values_are_strings=value.is_string();
850:
851: if(key_values_are_strings)
852: seq[i].value.c_str=value.as_string().cstr();
853: else
854: seq[i].value.d=value.as_double();
1.32 paf 855: }
856: // sort keys
1.182 paf 857: _qsort(seq, old_count, sizeof(Table_seq_item),
1.34 paf 858: key_values_are_strings?sort_cmp_string:sort_cmp_double);
1.32 paf 859:
1.34 paf 860: // reorder table as they require in 'seq'
1.182 paf 861: for(i=0; i<old_count; i++)
862: new_table+=Table::element_type(seq[reverse?old_count-1-i:i].row);
863:
864: delete[] seq;
1.32 paf 865:
1.116 parser 866: // replace any previous table value
1.182 paf 867: GET_SELF(r, VTable).set_table(new_table);
1.32 paf 868: }
869:
1.176 paf 870: #ifndef DOXYGEN
1.182 paf 871: struct Expression_is_true_info {
1.176 paf 872: Request* r;
873: Value* expression_code;
874: };
875: #endif
1.191 paf 876: static bool expression_is_true(Table&, Expression_is_true_info* info) {
877: return info->r->process_to_value(*info->expression_code).as_bool();
1.176 paf 878: }
879: static bool _locate_expression(Table& table, Table::Action_options o,
1.182 paf 880: Request& r, MethodParams& params) {
881: check_option_param(o.defined, params, 1,
1.176 paf 882: "locate by expression only has parameters: expression and, maybe, options");
1.182 paf 883: Value& expression_code=params.as_junction(0, "must be expression");
1.145 paf 884:
1.182 paf 885: Expression_is_true_info info={&r, &expression_code};
886: return table.table_first_that(expression_is_true, &info, o);
1.145 paf 887: }
1.176 paf 888: static bool _locate_name_value(Table& table, Table::Action_options o,
1.191 paf 889: Request&, MethodParams& params) {
1.182 paf 890: check_option_param(o.defined, params, 2,
1.176 paf 891: "locate by locate by name has parameters: name, value and, maybe, options");
1.182 paf 892: const String& name=params.as_string(0, "column name must be string");
893: const String& value=params.as_string(1, "value must be string");
894: return table.locate(name, value, o);
895: }
896: static void _locate(Request& r, MethodParams& params) {
897: Table& table=GET_SELF(r, VTable).table();
1.72 paf 898:
1.182 paf 899: Table::Action_options o=get_action_options(r, params, table);
900:
901: bool result=params[0].get_junction()?
902: _locate_expression(table, o, r, params) :
903: _locate_name_value(table, o, r, params);
904: r.write_no_lang(*new VBool(result));
1.145 paf 905: }
1.182 paf 906:
907:
1.191 paf 908: static void _flip(Request& r, MethodParams&) {
1.182 paf 909: Table& old_table=GET_SELF(r, VTable).table();
1.184 paf 910: Table& new_table=*new Table(0);
1.182 paf 911: if(size_t old_count=old_table.count())
912: if(size_t old_cols=old_table[0]->count())
913: for(size_t column=0; column<old_cols; column++) {
914: Table::element_type new_row(new ArrayString(old_count));
915: for(size_t i=0; i<old_count; i++) {
916: Table::element_type old_row=old_table[i];
917: *new_row+=column<old_row->count()?old_row->get(column):new String;
1.39 paf 918: }
1.182 paf 919: new_table+=new_row;
1.39 paf 920: }
921:
1.182 paf 922: r.write_no_lang(*new VTable(&new_table));
1.39 paf 923: }
924:
1.182 paf 925: static void _append(Request& r, MethodParams& params) {
1.134 paf 926: // data
1.182 paf 927: Temp_lang temp_lang(r, String::L_PASS_APPENDED);
928: const String& string=r.process_to_string(params.as_junction(0, "body must be code"));
1.41 paf 929:
930: // parse cells
1.182 paf 931: Table::element_type row=new ArrayString;
932: size_t pos_after=0;
933: string.split(*row, pos_after, "\t", String::L_AS_IS);
1.41 paf 934:
1.182 paf 935: GET_SELF(r, VTable).table()+=row;
1.41 paf 936: }
937:
1.182 paf 938: static void join_named_row(Table& src, Table* dest) {
939: Table::columns_type dest_columns=dest->columns();
940: size_t dest_columns_count=dest_columns->count();
941: Table::element_type dest_row(new ArrayString(dest_columns_count));
942: for(size_t dest_column=0; dest_column<dest_columns_count; dest_column++) {
943: const String* src_item=src.item(*dest_columns->get(dest_column));
944: *dest_row+=src_item?src_item:new String;
945: }
946: *dest+=dest_row;
947: }
948: static void join_nameless_row(Table& src, Table* dest) {
949: *dest+=src[src.current()];
950: }
951: static void _join(Request& r, MethodParams& params) {
952: Table* maybe_src=params.as_no_junction(0, "table ref must not be code").get_table();
1.42 paf 953: if(!maybe_src)
1.146 paf 954: throw Exception("parser.runtime",
1.182 paf 955: 0,
1.42 paf 956: "source is not a table");
1.176 paf 957: Table& src=*maybe_src;
958:
1.182 paf 959: Table::Action_options o=get_action_options(r, params, src);
960: check_option_param(o.defined, params, 1,
1.176 paf 961: "invalid extra parameter");
1.42 paf 962:
1.182 paf 963: Table& dest=GET_SELF(r, VTable).table();
1.42 paf 964: if(&src == &dest)
1.146 paf 965: throw Exception("parser.runtime",
1.182 paf 966: 0,
1.42 paf 967: "source and destination are same table");
968:
1.193 paf 969: if(dest.columns()) // dest is named
1.182 paf 970: src.table_for_each(join_named_row, &dest, o);
971: else // dest is nameless
972: src.table_for_each(join_nameless_row, &dest, o);
1.42 paf 973: }
974:
1.94 parser 975: #ifndef DOXYGEN
1.169 paf 976: class Table_sql_event_handlers: public SQL_Driver_query_event_handlers {
1.182 paf 977: ArrayString& columns;
1.218 paf 978: int columns_count;
1.182 paf 979: ArrayString* row;
1.94 parser 980: public:
1.182 paf 981: Table* table;
982: public:
983: Table_sql_event_handlers() :
984: columns(*new ArrayString), row(0), table(0) {
1.94 parser 985: }
986:
1.182 paf 987: bool add_column(SQL_Error& error, const char *str, size_t length) {
1.170 paf 988: try {
1.182 paf 989: columns+=new String(str, length, true);
1.170 paf 990: return false;
991: } catch(...) {
992: error=SQL_Error("exception occured in Table_sql_event_handlers::add_column");
993: return true;
994: }
995: }
996: bool before_rows(SQL_Error& error) {
997: try {
1.182 paf 998: table=new Table(&columns);
1.218 paf 999: columns_count=columns.count();
1.170 paf 1000: return false;
1001: } catch(...) {
1002: error=SQL_Error("exception occured in Table_sql_event_handlers::before_rows");
1003: return true;
1004: }
1005: }
1006: bool add_row(SQL_Error& error) {
1007: try {
1.218 paf 1008: *table+=row=new ArrayString(columns_count);
1.170 paf 1009: return false;
1010: } catch(...) {
1011: error=SQL_Error("exception occured in Table_sql_event_handlers::add_row");
1012: return true;
1013: }
1014: }
1.182 paf 1015: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
1.170 paf 1016: try {
1.182 paf 1017: String& cell=*new String;
1018: if(length)
1019: cell.append_know_length(str, length, String::L_TAINTED);
1020: *row+=&cell;
1.170 paf 1021: return false;
1022: } catch(...) {
1023: error=SQL_Error("exception occured in Table_sql_event_handlers::add_row_cell");
1024: return true;
1025: }
1.94 parser 1026: }
1027: };
1028: #endif
1.204 paf 1029:
1030: static void marshal_bind(
1031: HashStringValue::key_type aname,
1032: HashStringValue::value_type avalue,
1033: SQL_Driver::Placeholder** pptr)
1034: {
1035: SQL_Driver::Placeholder& ph=**pptr;
1036: ph.name=aname.cstr();
1.205 paf 1037: ph.value=avalue->as_string().cstr(String::L_UNSPECIFIED);
1.204 paf 1038: ph.is_null=avalue->get_class()==void_class;
1039: ph.were_updated=false;
1040:
1041: (*pptr)++;
1042: }
1043:
1044: // not static, used elsewhere
1045: int marshal_binds(HashStringValue& hash, SQL_Driver::Placeholder*& placeholders) {
1046: int hash_count=hash.count();
1047: placeholders=new(UseGC) SQL_Driver::Placeholder[hash_count];
1048: SQL_Driver::Placeholder* ptr=placeholders;
1.221 paf 1049: hash.for_each<SQL_Driver::Placeholder**>(marshal_bind, &ptr);
1.204 paf 1050: return hash_count;
1051: }
1052:
1053: // not static, used elsewhere
1054: void unmarshal_bind_updates(HashStringValue& hash, int placeholder_count, SQL_Driver::Placeholder* placeholders) {
1055: SQL_Driver::Placeholder* ph=placeholders;
1056: for(int i=0; i<placeholder_count; i++, ph++)
1057: if(ph->were_updated) {
1058: Value* value;
1059: if(ph->is_null)
1060: value=new VVoid();
1061: else
1062: if(ph->value)
1063: value=new VString(*new String(ph->value, 0, true/*tainted*/));
1064: else
1065: value=new VString(*new String());
1066: hash.put(ph->name, value);
1067: }
1068: }
1069:
1.182 paf 1070: static void _sql(Request& r, MethodParams& params) {
1071: Value& statement=params.as_junction(0, "statement must be code");
1.49 paf 1072:
1.204 paf 1073: HashStringValue* bind=0;
1.53 paf 1074: ulong limit=0;
1.100 parser 1075: ulong offset=0;
1.182 paf 1076: if(params.count()>1) {
1077: Value& voptions=params.as_no_junction(1, "options must be hash, not code");
1.212 paf 1078: if(voptions.is_defined() && !voptions.is_string())
1.182 paf 1079: if(HashStringValue* options=voptions.get_hash()) {
1.164 paf 1080: int valid_options=0;
1.204 paf 1081: if(Value* vbind=options->get(sql_bind_name)) {
1082: valid_options++;
1083: bind=vbind->get_hash();
1084: }
1.182 paf 1085: if(Value* vlimit=options->get(sql_limit_name)) {
1.164 paf 1086: valid_options++;
1.147 paf 1087: limit=(ulong)r.process_to_value(*vlimit).as_double();
1.164 paf 1088: }
1.182 paf 1089: if(Value* voffset=options->get(sql_offset_name)) {
1.164 paf 1090: valid_options++;
1.147 paf 1091: offset=(ulong)r.process_to_value(*voffset).as_double();
1.164 paf 1092: }
1.182 paf 1093: if(valid_options!=options->count())
1.164 paf 1094: throw Exception("parser.runtime",
1.182 paf 1095: 0,
1.164 paf 1096: "called with invalid option");
1.109 parser 1097: } else
1.146 paf 1098: throw Exception("parser.runtime",
1.182 paf 1099: 0,
1.109 parser 1100: "options must be hash");
1.49 paf 1101: }
1102:
1.204 paf 1103: SQL_Driver::Placeholder* placeholders=0;
1104: uint placeholders_count=0;
1105: if(bind)
1106: placeholders_count=marshal_binds(*bind, placeholders);
1107:
1.182 paf 1108: Temp_lang temp_lang(r, String::L_SQL);
1109: const String& statement_string=r.process_to_string(statement);
1110: const char* statement_cstr=
1111: statement_string.cstr(String::L_UNSPECIFIED, r.connection());
1112: Table_sql_event_handlers handlers;
1.135 paf 1113: #ifdef RESOURCES_DEBUG
1114: struct timeval mt[2];
1115: //measure:before
1116: gettimeofday(&mt[0],NULL);
1117: #endif
1.182 paf 1118: r.connection()->query(
1.203 paf 1119: statement_cstr,
1.208 paf 1120: placeholders_count, placeholders,
1.203 paf 1121: offset, limit,
1.160 paf 1122: handlers,
1123: statement_string);
1.135 paf 1124:
1125: #ifdef RESOURCES_DEBUG
1126: //measure:after connect
1127: gettimeofday(&mt[1],NULL);
1128:
1129: double t[2];
1130: for(int i=0;i<2;i++)
1131: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
1132:
1133: r.sql_request_time+=t[1]-t[0];
1134: #endif
1.204 paf 1135:
1136: if(bind)
1137: unmarshal_bind_updates(*bind, placeholders_count, placeholders);
1.96 parser 1138:
1.182 paf 1139: Table& result=
1140: handlers.table?*handlers.table: // query resulted in table? return it
1141: *new Table(Table::columns_type(0)); // query returned no table, fake it
1.49 paf 1142:
1143: // replace any previous table value
1.182 paf 1144: GET_SELF(r, VTable).set_table(result);
1.49 paf 1145: }
1146:
1.182 paf 1147: static void _columns(Request& r, MethodParams&) {
1.88 parser 1148:
1.182 paf 1149: Table::columns_type result_columns(new ArrayString);
1150: *result_columns+=new String("column");
1151: Table& result_table=*new Table(result_columns);
1.88 parser 1152:
1.182 paf 1153: Table& source_table=GET_SELF(r, VTable).table();
1154: if(Table::columns_type source_columns=source_table.columns()) {
1155: for(Array_iterator<const String*> i(*source_columns); i.has_next(); ) {
1156: Table::element_type result_row(new ArrayString);
1157: *result_row+=i.next();
1158: result_table+=result_row;
1.88 parser 1159: }
1160: }
1161:
1.182 paf 1162: r.write_no_lang(*new VTable(&result_table));
1.88 parser 1163: }
1164:
1.182 paf 1165: static void _select(Request& r, MethodParams& params) {
1166: Value& vcondition=params.as_junction(0, "condition must be expression");
1.148 paf 1167:
1.182 paf 1168: Table& source_table=GET_SELF(r, VTable).table();
1169: Table& result_table=*new Table(source_table.columns());
1.148 paf 1170:
1171: int saved_current=source_table.current();
1.182 paf 1172: int size=source_table.count();
1.148 paf 1173: for(int row=0; row<size; row++) {
1174: source_table.set_current(row);
1175:
1.150 paf 1176: bool condition=r.process_to_value(vcondition,
1.148 paf 1177: false/*don't intercept string*/).as_bool();
1178:
1179: if(condition) // ...condition is true=
1.182 paf 1180: result_table+=source_table[row]; // =green light to go to result
1.148 paf 1181: }
1182: source_table.set_current(saved_current);
1183:
1.182 paf 1184: r.write_no_lang(*new VTable(&result_table));
1.148 paf 1185: }
1186:
1.66 paf 1187: // constructor
1188:
1.182 paf 1189: MTable::MTable(): Methoded("table") {
1.142 paf 1190: // ^table::create{data}
1191: // ^table::create[nameless]{data}
1192: // ^table::create[table]
1193: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 2);
1194: // old name for compatibility with <= v 1.141 2002/01/25 11:33:45 paf
1195: add_native_method("set", Method::CT_DYNAMIC, _create, 1, 2);
1.2 paf 1196:
1.142 paf 1197: // ^table::load[file]
1198: // ^table::load[nameless;file]
1.168 paf 1199: add_native_method("load", Method::CT_DYNAMIC, _load, 1, 3);
1.22 paf 1200:
1201: // ^table.save[file]
1202: // ^table.save[nameless;file]
1.188 paf 1203: add_native_method("save", Method::CT_DYNAMIC, _save, 1, 3);
1.6 paf 1204:
1.224 misha 1205: // add_native_method("save_old", Method::CT_DYNAMIC, _save_old, 1, 3);
1206:
1.6 paf 1207: // ^table.count[]
1.66 paf 1208: add_native_method("count", Method::CT_DYNAMIC, _count, 0, 0);
1.6 paf 1209:
1210: // ^table.line[]
1.66 paf 1211: add_native_method("line", Method::CT_DYNAMIC, _line, 0, 0);
1.6 paf 1212:
1.10 paf 1213: // ^table.offset[]
1.133 paf 1214: // ^table.offset(offset)
1215: // ^table.offset[cur|set](offset)
1216: add_native_method("offset", Method::CT_DYNAMIC, _offset, 0, 2);
1.7 paf 1217:
1.10 paf 1218: // ^table.menu{code}
1219: // ^table.menu{code}[delim]
1.66 paf 1220: add_native_method("menu", Method::CT_DYNAMIC, _menu, 1, 2);
1.74 paf 1221:
1.79 paf 1222: // ^table:hash[key field name]
1.123 parser 1223: // ^table:hash[key field name][value field name(s) string/table]
1.163 paf 1224: add_native_method("hash", Method::CT_DYNAMIC, _hash, 1, 3);
1.32 paf 1225:
1.102 parser 1226: // ^table.sort{string-key-maker} ^table.sort{string-key-maker}[desc|asc]
1227: // ^table.sort(numeric-key-maker) ^table.sort(numeric-key-maker)[desc|asc]
1.66 paf 1228: add_native_method("sort", Method::CT_DYNAMIC, _sort, 1, 2);
1.8 paf 1229:
1.36 paf 1230: // ^table.locate[field;value]
1.176 paf 1231: add_native_method("locate", Method::CT_DYNAMIC, _locate, 1, 3);
1.39 paf 1232:
1233: // ^table.flip[]
1.66 paf 1234: add_native_method("flip", Method::CT_DYNAMIC, _flip, 0, 0);
1.41 paf 1235:
1236: // ^table.append{r{tab}e{tab}c{tab}o{tab}r{tab}d}
1.66 paf 1237: add_native_method("append", Method::CT_DYNAMIC, _append, 1, 1);
1.42 paf 1238:
1.157 paf 1239: // ^table.join[table][$.limit(10) $.offset(1) $.offset[cur] ]
1240: add_native_method("join", Method::CT_DYNAMIC, _join, 1, 2);
1.49 paf 1241:
1242:
1.100 parser 1243: // ^table:sql[query]
1244: // ^table:sql[query][$.limit(1) $.offset(2)]
1245: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.88 parser 1246:
1247: // ^table:columns[]
1248: add_native_method("columns", Method::CT_DYNAMIC, _columns, 0, 0);
1.148 paf 1249:
1250: // ^table.select(expression) = table
1251: add_native_method("select", Method::CT_DYNAMIC, _select, 1, 1);
1.40 paf 1252: }
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