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| version 1.33, 2002/12/14 12:43:26 | version 1.34.2.1, 2003/01/27 17:17:07 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: sql driver interface. | Parser: sql driver interface. |
| Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| Line 30 static const char* IDENT_SQL_DRIVER_H="$ | Line 30 static const char* IDENT_SQL_DRIVER_H="$ |
| #include <sys/types.h> | #include <sys/types.h> |
| #define SQL_DRIVER_API_VERSION 0x0005 | #define SQL_DRIVER_API_VERSION 0x0006 |
| #define SQL_DRIVER_CREATE create /* used in driver implementation */ | #define SQL_DRIVER_CREATE create /* used in driver implementation */ |
| #define SQL_DRIVER_CREATE_NAME "create" /* could not figure out how to # it :( */ | #define SQL_DRIVER_CREATE_NAME "create" /* could not figure out how to # it :( */ |
| Line 38 static const char* IDENT_SQL_DRIVER_H="$ | Line 38 static const char* IDENT_SQL_DRIVER_H="$ |
| class SQL_Error { | class SQL_Error { |
| bool fdefined; | bool fdefined; |
| const char *ftype; | const char *ftype; |
| const void *fproblem_source; | |
| const char *fcomment; | const char *fcomment; |
| public: | public: |
| SQL_Error(): | SQL_Error(): |
| fdefined(false) {} | fdefined(false) {} |
| SQL_Error( | SQL_Error( |
| const char *atype, | const char *atype, |
| const void *aproblem_source, | |
| const char *acomment): | const char *acomment): |
| fdefined(true), | fdefined(true), |
| ftype(atype), | ftype(atype), |
| fproblem_source(aproblem_source), | |
| fcomment(acomment) {} | fcomment(acomment) {} |
| SQL_Error(const char *acomment): | SQL_Error(const char *acomment): |
| fdefined(true), | fdefined(true), |
| ftype(0), | ftype(0), |
| fproblem_source(0), | |
| fcomment(acomment) {} | fcomment(acomment) {} |
| SQL_Error& operator =(const SQL_Error& src) { | SQL_Error& operator =(const SQL_Error& src) { |
| fdefined=src.fdefined; | fdefined=src.fdefined; |
| ftype=src.ftype; | ftype=src.ftype; |
| fproblem_source=src.fproblem_source; | |
| fcomment=src.fcomment; | fcomment=src.fcomment; |
| return *this; | return *this; |
| } | } |
| bool defined() const { return fdefined; } | bool defined() const { return fdefined; } |
| const char *type() const { return ftype; } | const char *type() const { return ftype; } |
| const void *problem_source() const { return fproblem_source; } | |
| const char *comment() const { return fcomment; } | const char *comment() const { return fcomment; } |
| }; | }; |
| /// service functions for SQL driver to use | /// service functions for SQL driver to use |
| class SQL_Driver_services { | class SQL_Driver_services { |
| public: | public: |
| /// allocates some bytes on pool | /// allocates some bytes |
| virtual void *malloc(size_t size) =0; | virtual void *malloc(size_t size) =0; |
| /// allocates some bytes clearing them with zeros | /// allocates some bytes clearing them with zeros |
| virtual void *calloc(size_t size) =0; | virtual void *calloc(size_t size) =0; |
| /// reallocates bytes | |
| virtual void *realloc(void *ptr, size_t size) =0; | |
| /// prepare throw exception | /// prepare throw exception |
| virtual void _throw(const SQL_Error& e) =0; | virtual void _throw(const SQL_Error& e) =0; |
| /// throw C++ exception from prepared | /// throw C++ exception from prepared |
| virtual void propagate_exception() =0; | virtual void propagate_exception() =0; |
| /// helper func | /// helper func |
| void _throw(const char *comment) { _throw(SQL_Error("sql.connect", 0, comment)); } | void _throw(const char *comment) { _throw(SQL_Error("sql.connect", comment)); } |
| public: | public: |
| /// regretrully public, because can't make stack frames: "nowhere to return to" | /// regretrully public, because can't make stack frames: "nowhere to return to" |
| jmp_buf mark; | jmp_buf mark; |