--- parser3/src/classes/void.C 2005/08/09 08:14:48 1.35 +++ parser3/src/classes/void.C 2015/10/26 01:21:55 1.52 @@ -1,21 +1,19 @@ /** @file Parser: @b VOID parser class. - Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com) Author: Alexandr Petrosian (http://paf.design.ru) */ -static const char * const IDENT_VOID_C="$Date: 2005/08/09 08:14:48 $"; - #include "classes.h" #include "pa_vmethod_frame.h" #include "pa_request.h" -#include "pa_vint.h" -#include "pa_vdouble.h" #include "pa_vvoid.h" #include "pa_sql_connection.h" +volatile const char * IDENT_VOID_C="$Id: void.C,v 1.52 2015/10/26 01:21:55 moko Exp $"; + // externs extern String sql_bind_name; @@ -25,40 +23,12 @@ extern String sql_bind_name; class MVoid: public Methoded { public: MVoid(); -public: // Methoded - bool used_directly() { return true; } }; -// global variable - -DECLARE_CLASS_VAR(void, new MVoid, 0); +// void is inherited from string, thus global variable declared in string.C // methods -static void _length(Request& r, MethodParams&) { - // always zero - r.write_no_lang(*new VInt(0)); -} - -static void _pos(Request& r, MethodParams& params) { - // just checking for consistency - params.as_no_junction(0, "substr must not be code"); - // never found - r.write_no_lang(*new VInt(-1)); -} - -static void _int(Request& r, MethodParams& params) { - VVoid& vvoid=GET_SELF(r, VVoid); - r.write_no_lang(*new VInt( - params.count()==0?vvoid.as_int():params.as_int(0, "default must be int", r))); -} - -static void _double(Request& r, MethodParams& params) { - VVoid& vvoid=GET_SELF(r, VVoid); - r.write_no_lang(*new VDouble( - params.count()==0?vvoid.as_double():params.as_double(0, "default must be double", r))); -} - #ifndef DOXYGEN class Void_sql_event_handlers: public SQL_Driver_query_event_handlers { const String& statement_string; @@ -67,7 +37,7 @@ public: bool add_column(SQL_Error& /*error*/, const char* /*str*/, size_t /*length*/) { /* ignore */ return false; } bool before_rows(SQL_Error& error) { // there are some result rows, which is wrong - error=SQL_Error("parser.runtime", + error=SQL_Error(PARSER_RUNTIME, /*statement_string,*/ "must return nothing"); return true; @@ -85,24 +55,16 @@ static void _sql(Request& r, MethodParam Value& statement=params.as_junction(0, "statement must be code"); HashStringValue* bind=0; - if(params.count()>1) { - Value& voptions=params.as_no_junction(1, "options must be hash, not code"); - if(!voptions.is_string()) - if(HashStringValue* options=voptions.get_hash()) { - int valid_options=0; - if(Value* vbind=options->get(sql_bind_name)) { - valid_options++; - bind=vbind->get_hash(); - } - if(valid_options!=options->count()) - throw Exception("parser.runtime", - 0, - "called with invalid option"); - } else - throw Exception("parser.runtime", - 0, - "options must be hash"); - } + if(params.count()>1) + if(HashStringValue* options=params.as_hash(1, "sql options")) { + int valid_options=0; + if(Value* vbind=options->get(sql_bind_name)) { + valid_options++; + bind=vbind->get_hash(); + } + if(valid_options!=options->count()) + throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); + } SQL_Driver::Placeholder* placeholders=0; uint placeholders_count=0; @@ -111,13 +73,13 @@ static void _sql(Request& r, MethodParam Temp_lang temp_lang(r, String::L_SQL); const String& statement_string=r.process_to_string(statement); - const char* statement_cstr= - statement_string.cstr(String::L_UNSPECIFIED, r.connection()); + const char* statement_cstr=statement_string.untaint_cstr(r.flang, r.connection()); + Void_sql_event_handlers handlers(statement_string); r.connection()->query( statement_cstr, placeholders_count, placeholders, - 0, 0, + 0, SQL_NO_LIMIT, handlers, statement_string); @@ -125,58 +87,11 @@ static void _sql(Request& r, MethodParam unmarshal_bind_updates(*bind, placeholders_count, placeholders); } -static void _left_right(Request& r, MethodParams& params) { - ssize_t sn=params.as_int(0, "n must be int", r); - if(sn<0) - throw Exception("parser.runtime", - 0, - "n(%d) must be >=0", sn); - - // return nothing -} - -static void _mid(Request& r, MethodParams& params) { - ssize_t sbegin=params.as_int(0, "p must be int", r); - if(sbegin<0) - throw Exception("parser.runtime", - 0, - "p(%d) must be >=0", sbegin); - - if(params.count()>1) { - ssize_t sn=params.as_int(1, "n must be int", r); - if(sn<0) - throw Exception("parser.runtime", - 0, - "n(%d) must be >=0", sn); - } - - // return nothing -} - // constructor -MVoid::MVoid(): Methoded("void") { - // ^void.length[] - add_native_method("length", Method::CT_DYNAMIC, _length, 0, 0); - - // ^void.pos[substr] - add_native_method("pos", Method::CT_DYNAMIC, _pos, 1, 1); - - // ^void.int[] - // ^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] +MVoid::MVoid(): Methoded("void", string_class) { + // ^void:sql{query} add_native_method("sql", Method::CT_STATIC, _sql, 1, 2); - // ^void.left() ^void.right() - add_native_method("left", Method::CT_DYNAMIC, _left_right, 1, 1); - add_native_method("right", Method::CT_DYNAMIC, _left_right, 1, 1); - - // ^void.mid(p;n) - add_native_method("mid", Method::CT_DYNAMIC, _mid, 1, 2); + // all other methods are inherinted from empty string }