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| version 1.5, 2001/07/23 11:19:25 | version 1.24, 2002/08/20 09:37:31 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b VOID parser class. | Parser: @b VOID parser class. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| */ | */ |
| static const char *RCSId="$Id$"; | |
| static const char* IDENT_VOID_C="$Date$"; | |
| #include "classes.h" | #include "classes.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| Line 14 static const char *RCSId="$Id$"; | Line 14 static const char *RCSId="$Id$"; |
| #include "pa_vvoid.h" | #include "pa_vvoid.h" |
| #include "pa_sql_connection.h" | #include "pa_sql_connection.h" |
| // defines | |
| #define VOID_CLASS_NAME "void" | |
| // class | // class |
| class MVoid : public Methoded { | class MVoid : public Methoded { |
| Line 29 public: // Methoded | Line 25 public: // Methoded |
| // methods | // methods |
| static void _int(Request& r, const String&, MethodParams *) { | static void _length(Request& r, const String&, MethodParams *params) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| VInt *vunknown=static_cast<VInt *>(r.self); | // always zero |
| Value& value=*new(pool) VInt(pool, vunknown->as_int()); | r.write_no_lang(*new(pool) VInt(pool, 0)); |
| r.write_no_lang(value); | |
| } | } |
| static void _double(Request& r, const String&, MethodParams *) { | static void _pos(Request& r, const String& method_name, MethodParams *params) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| VInt *vunknown=static_cast<VInt *>(r.self); | |
| Value& value=*new(pool) VDouble(pool, vunknown->as_double()); | Value& substr=params->as_no_junction(0, "substr must not be code"); |
| r.write_no_lang(value); | // never found |
| r.write_assign_lang(*new(pool) VInt(pool, -1)); | |
| } | |
| static void _int(Request& r, const String&, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| VVoid *vvoid=static_cast<VVoid *>(r.self); | |
| r.write_no_lang(*new(pool) VInt(pool, | |
| params->size()==0?vvoid->as_int():params->as_int(0, "default must be int", r))); | |
| } | |
| static void _double(Request& r, const String&, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| VVoid *vvoid=static_cast<VVoid *>(r.self); | |
| r.write_no_lang(*new(pool) VDouble(pool, | |
| params->size()==0?vvoid->as_double():params->as_double(0, "default must be double", r))); | |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| Line 52 public: | Line 62 public: |
| void add_column(void *ptr, size_t size) { /* ignore */ } | void add_column(void *ptr, size_t size) { /* ignore */ } |
| void before_rows() { | void before_rows() { |
| // there are some result rows, which is wrong | // there are some result rows, which is wrong |
| PTHROW(0, 0, | throw Exception("parser.runtime", |
| &statement_string, | &statement_string, |
| "must return nothing"); | "must return nothing"); |
| } | } |
| Line 67 private: | Line 77 private: |
| static void _sql(Request& r, const String& method_name, MethodParams *params) { | static void _sql(Request& r, const String& method_name, MethodParams *params) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| if(!r.connection) | |
| PTHROW(0, 0, | |
| &method_name, | |
| "without connect"); | |
| Value& statement=params->as_junction(0, "statement must be code"); | Value& statement=params->as_junction(0, "statement must be code"); |
| Temp_lang temp_lang(r, String::UL_SQL); | Temp_lang temp_lang(r, String::UL_SQL); |
| const String& statement_string=r.process(statement).as_string(); | const String& statement_string=r.process_to_string(statement); |
| const char *statement_cstr= | const char *statement_cstr= |
| statement_string.cstr(String::UL_UNSPECIFIED, r.connection); | statement_string.cstr(String::UL_UNSPECIFIED, r.connection(&method_name)); |
| Void_sql_event_handlers handlers(pool, statement_string); | Void_sql_event_handlers handlers(pool, statement_string); |
| bool need_rethrow=false; Exception rethrow_me; | r.connection(&method_name)->query( |
| PTRY { | statement_cstr, 0, 0, |
| r.connection->query( | handlers, |
| statement_cstr, 0, 0, | statement_string); |
| handlers); | |
| } | |
| PCATCH(e) { | |
| rethrow_me=e; need_rethrow=true; | |
| } | |
| PEND_CATCH | |
| if(need_rethrow) | |
| PTHROW(rethrow_me.type(), rethrow_me.code(), | |
| &statement_string, // setting more specific source [were url] | |
| rethrow_me.comment()); | |
| } | } |
| // constructor | // constructor |
| MVoid::MVoid(Pool& apool) : Methoded(apool) { | MVoid::MVoid(Pool& apool) : Methoded(apool, "void") { |
| set_name(*NEW String(pool(), VOID_CLASS_NAME)); | // ^void.length[] |
| add_native_method("length", Method::CT_DYNAMIC, _length, 0, 0); | |
| // ^VOID.int[] | // ^void.pos[substr] |
| add_native_method("int", Method::CT_DYNAMIC, _int, 0, 0); | add_native_method("pos", Method::CT_DYNAMIC, _pos, 1, 1); |
| // ^VOID.double[] | // ^void.int[] |
| add_native_method("double", Method::CT_DYNAMIC, _double, 0, 0); | // ^void.int(default) |
| add_native_method("int", Method::CT_DYNAMIC, _int, 0, 1); | |
| // ^void.double[] | |
| // ^void.double(default) | |
| add_native_method("double", Method::CT_DYNAMIC, _double, 0, 1); | |
| // ^sql[query] | // ^sql[query] |
| add_native_method("sql", Method::CT_STATIC, _sql, 1, 1); | add_native_method("sql", Method::CT_STATIC, _sql, 1, 1); |