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| version 1.220, 2015/10/21 21:45:25 | version 1.228, 2016/09/29 18:55:43 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: request class decl. | Parser: request class decl. |
| Copyright (c) 2001-2012 Art. Lebedev Studio (http://www.artlebedev.com) | Copyright (c) 2001-2015 Art. Lebedev Studio (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 86 private: | Line 86 private: |
| /// needed to fill unused Array entries | /// needed to fill unused Array entries |
| StackItem() {} | StackItem() {} |
| StackItem(Value& avalue): fvalue(&avalue) {} | StackItem(Value& avalue): fvalue(&avalue) {} |
| StackItem(ArrayOperation& aops): fops(&aops) {} | StackItem(ArrayOperation& aops): fops(&aops) {} |
| StackItem(VMethodFrame& amethod_frame): fmethod_frame(&amethod_frame) {} | StackItem(VMethodFrame& amethod_frame): fmethod_frame(&amethod_frame) {} |
| }; | }; |
| Line 112 private: | Line 112 private: |
| ///@{ core data | ///@{ core data |
| /// classes | /// classes |
| HashString<Value*> fclasses; | HashString<VStateless_class*> fclasses; |
| /// already used files to avoid cyclic uses | /// already used files to avoid cyclic uses |
| HashString<bool> used_files; | HashString<bool> used_files; |
| Line 142 public: | Line 142 public: |
| Value* rcontext; | Value* rcontext; |
| WContext* wcontext; | WContext* wcontext; |
| /// current language | /// current language |
| String::Language flang; | String::Language flang; |
| /// current connection | /// current connection |
| SQL_Connection* fconnection; | SQL_Connection* fconnection; |
| //@} | //@} |
| Line 180 public: | Line 180 public: |
| ~Request(); | ~Request(); |
| /// global classes | /// global classes |
| HashString<Value*>& classes() { return fclasses; } | HashString<VStateless_class*>& classes() { return fclasses; } |
| Value* get_class(const String& name); | VStateless_class* get_class(const String& name); |
| void put_class(VStateless_class *aclass){ classes().put(aclass->type(), aclass); } | |
| /** | /** |
| core request processing | core request processing |
| Line 197 public: | Line 198 public: |
| void execute(ArrayOperation& ops); // execute.C | void execute(ArrayOperation& ops); // execute.C |
| void op_call(VMethodFrame &frame); | void op_call(VMethodFrame &frame); |
| void op_call_write(VMethodFrame &frame); | void op_call_write(VMethodFrame &frame); |
| Value& construct(Value &class_value, const Method &method); | Value& construct(VStateless_class &class_value, const Method &method); |
| /// execute ops with anti-recoursion check | /// execute ops with anti-recoursion check |
| void recoursion_checked_execute(/*const String& name, */ArrayOperation& ops) { | void recoursion_checked_execute(/*const String& name, */ArrayOperation& ops) { |
| // anti_endless_execute_recoursion | // anti_endless_execute_recoursion |
| if(++anti_endless_execute_recoursion==ANTI_ENDLESS_EXECUTE_RECOURSION) { | if(++anti_endless_execute_recoursion==ANTI_ENDLESS_EXECUTE_RECOURSION) { |
| anti_endless_execute_recoursion=0; // give @exception a chance | anti_endless_execute_recoursion=0; // give @exception a chance |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "call canceled - endless recursion detected"); |
| 0, //&name, | |
| "call canceled - endless recursion detected"); | |
| } | } |
| execute(ops); // execute it | execute(ops); // execute it |
| anti_endless_execute_recoursion--; | anti_endless_execute_recoursion--; |
| } | } |
| /// | /// |
| void use_file_directly(VStateless_class& aclass, | void use_file_directly(VStateless_class& aclass, const String& file_spec, bool fail_on_read_problem=true, bool fail_on_file_absence=true); |
| const String& file_spec, | |
| bool fail_on_read_problem=true, | |
| bool fail_on_file_absence=true); | |
| /// compiles the file, maybe forcing it's class @a name and @a base_class. | /// compiles the file, maybe forcing it's class @a name and @a base_class. |
| void use_file(VStateless_class& aclass, const String& file_name, const String* use_filespec); | void use_file(VStateless_class& aclass, const String& file_name, const String* use_filespec); |
| void use_file(VStateless_class& aclass, const String& file_name, const String* use_filespec, Operation::Origin origin); | void use_file(VStateless_class& aclass, const String& file_name, const String* use_filespec, Operation::Origin origin); |
| /// compiles a @a source buffer | /// compiles a @a source buffer |
| void use_buf(VStateless_class& aclass, | void use_buf(VStateless_class& aclass, const char* source, const String* main_alias, uint file_no, int line_no_offset=0); |
| const char* source, | |
| const String* main_alias, | |
| uint file_no, | |
| int line_no_offset=0); | |
| /// processes any code-junction there may be inside of @a value | /// processes any code-junction there may be inside of @a value |
| StringOrValue process_getter(Junction& junction); // execute.C | Value& process_getter(Junction& junction); // execute.C |
| StringOrValue process(Value& input_value, bool intercept_string=true); // execute.C | Value& process(Value& input_value, bool intercept_string=true); // execute.C |
| void process_write(Value& input_value); // execute.C | void process_write(Value& input_value); // execute.C |
| //@{ convinient helpers | //@{ convinient helpers |
| const String& process_to_string(Value& input_value) { | const String& process_to_string(Value& input_value) { |
| return process(input_value, true/*intercept_string*/).as_string(); | return process(input_value, true/*intercept_string*/).as_string(); |
| } | } |
| Value& process_to_value(Value& input_value, bool intercept_string=true) { | Value& process_to_value(Value& input_value, bool intercept_string=true) { |
| return process(input_value, intercept_string).as_value(); | return process(input_value, intercept_string); |
| } | } |
| //@} | //@} |
| const String* get_method_filename(const Method* method); // execute.C | const String* get_method_filename(const Method* method); // execute.C |
| const String* get_used_filename(uint file_no); | const String* get_used_filename(uint file_no); |
| #define DEFINE_DUAL(modification) \ | |
| void write_##modification##_lang(StringOrValue dual) { \ | |
| if(const String* string=dual.get_string()) \ | |
| write_##modification##_lang(*string); \ | |
| else \ | |
| write_##modification##_lang(*dual.get_value()); \ | |
| } | |
| /// appending, sure of clean string inside | /// appending, sure of clean string inside |
| void write_no_lang(const String& astring) { | void write_no_lang(const String& astring) { |
| wcontext->write(astring, | wcontext->write(astring, |
| Line 262 public: | Line 247 public: |
| if(wcontext->get_in_expression()) | if(wcontext->get_in_expression()) |
| wcontext->write(avalue); | wcontext->write(avalue); |
| else | else |
| wcontext->write(avalue, | wcontext->write(avalue, (String::Language)(String::L_CLEAN | (flang & String::L_OPTIMIZE_BIT) )); |
| (String::Language)(String::L_CLEAN | (flang & String::L_OPTIMIZE_BIT) )); | |
| } | } |
| /// appending string, passing language built into string being written | /// appending string, passing language built into string being written |
| void write_pass_lang(const String& astring) { | void write_pass_lang(const String& astring) { |
| wcontext->write(astring, String::L_PASS_APPENDED); | wcontext->write(astring, String::L_PASS_APPENDED); |
| } | } |
| /// appending possible string, passing language built into string being written | /// appending possible string, passing language built into string being written |
| void write_pass_lang(Value& avalue) { | void write_pass_lang(Value& avalue) { |
| wcontext->write(avalue, String::L_PASS_APPENDED); | wcontext->write(avalue, String::L_PASS_APPENDED); |
| } | } |
| DEFINE_DUAL(pass) | |
| /// appending possible string, assigning untaint language | /// appending possible string, assigning untaint language |
| void write_assign_lang(Value& avalue) { | void write_assign_lang(Value& avalue) { |
| Line 284 public: | Line 267 public: |
| void write_assign_lang(const String& astring) { | void write_assign_lang(const String& astring) { |
| wcontext->write(astring, flang); | wcontext->write(astring, flang); |
| } | } |
| DEFINE_DUAL(assign) | |
| /// appending sure value | |
| void write_value(Value& avalue) { | |
| wcontext->write(avalue); | |
| } | |
| /// returns relative to @a path path to @a file | /// returns relative to @a path path to @a file |
| const String& relative(const char* apath, const String& relative_name); | const String& relative(const char* apath, const String& relative_name); |
| Line 299 public: | Line 286 public: |
| const String& mime_type_of(const char* user_file_name_cstr); | const String& mime_type_of(const char* user_file_name_cstr); |
| /// returns current SQL connection if any | /// returns current SQL connection if any |
| SQL_Connection* connection(bool fail_on_error=true) { | SQL_Connection* connection(bool fail_on_error=true) { |
| if(fail_on_error && !fconnection) | if(fail_on_error && !fconnection) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "outside of 'connect' operator"); |
| 0, | return fconnection; |
| "outside of 'connect' operator"); | |
| return fconnection; | |
| } | } |
| void set_interrupted(bool ainterrupted) { finterrupted=ainterrupted; } | void set_interrupted(bool ainterrupted) { finterrupted=ainterrupted; } |
| Line 348 public: // status read methods | Line 332 public: // status read methods |
| VMethodFrame *get_method_frame() { return method_frame; } | VMethodFrame *get_method_frame() { return method_frame; } |
| Value& get_self(); | Value& get_self(); |
| #define GET_SELF(request, type) (static_cast<type &>(request.get_self())) | |
| /* for strange reason call to this: | |
| r.get_self<VHash>() | |
| refuses to compile | |
| template<typename T> T& get_self() { | #define GET_SELF(request, type) (static_cast<type &>(request.get_self())) |
| return *static_cast<T*>(get_self().get()); | |
| } | |
| */ | |
| /// public for ^reflection:copy[] | /// public for ^reflection:copy[] |
| void put_element(Value& ncontext, const String& name, Value* value); | void put_element(Value& ncontext, const String& name, Value* value); |
| Line 368 public: // status read methods | Line 345 public: // status read methods |
| void execute_method(VMethodFrame& aframe); | void execute_method(VMethodFrame& aframe); |
| //{ for @conf[filespec] and @auto[filespec] and parser://method/call | //{ for @conf[filespec] and @auto[filespec] and parser://method/call |
| const String* execute_method(Value& aself, | const String* execute_method(Value& aself, const Method& method, Value* optional_param, bool do_return_string); |
| const Method& method, Value* optional_param, | |
| bool do_return_string); | |
| struct Execute_nonvirtual_method_result { | struct Execute_nonvirtual_method_result { |
| const String* string; | const String* string; |
| Method* method; | Method* method; |
| Execute_nonvirtual_method_result(): string(0), method(0) {} | Execute_nonvirtual_method_result(): string(0), method(0) {} |
| }; | }; |
| Execute_nonvirtual_method_result execute_nonvirtual_method(VStateless_class& aclass, | |
| const String& method_name, | Execute_nonvirtual_method_result execute_nonvirtual_method(VStateless_class& aclass, const String& method_name, VString* optional_param, bool do_return_string); |
| VString* optional_param, | |
| bool do_return_string); | |
| //} | //} |
| #ifdef XML | #ifdef XML |
| Line 405 private: | Line 379 private: |
| private: // compile.C | private: // compile.C |
| ArrayClass& compile(VStateless_class* aclass, | ArrayClass& compile(VStateless_class* aclass, const char* source, const String* main_alias, uint file_no, int line_no_offset); |
| const char* source, const String* main_alias, | |
| uint file_no, | |
| int line_no_offset); | |
| private: // execute.C | private: // execute.C |
| Line 473 class Request_context_saver { | Line 444 class Request_context_saver { |
| SQL_Connection* fconnection; | SQL_Connection* fconnection; |
| public: | public: |
| Request_context_saver(Request& ar) : | Request_context_saver(Request& ar) : |
| fr(ar), | fr(ar), |
| exception_trace_top(ar.exception_trace.top_index()), | exception_trace_top(ar.exception_trace.top_index()), |
| exception_trace_bottom(ar.exception_trace.bottom_index()), | exception_trace_bottom(ar.exception_trace.bottom_index()), |
| stack(ar.stack.top_index()), | stack(ar.stack.top_index()), |
| anti_endless_execute_recoursion(ar.anti_endless_execute_recoursion), | anti_endless_execute_recoursion(ar.anti_endless_execute_recoursion), |
| method_frame(ar.method_frame), | method_frame(ar.method_frame), |
| Line 500 class Temp_lang { | Line 471 class Temp_lang { |
| Request& frequest; | Request& frequest; |
| String::Language saved_lang; | String::Language saved_lang; |
| public: | public: |
| Temp_lang(Request& arequest, String::Language alang) : | Temp_lang(Request& arequest, String::Language alang) : |
| frequest(arequest), | frequest(arequest), |
| saved_lang(arequest.set_lang(alang)) { | saved_lang(arequest.set_lang(alang)) { |
| } | } |
| ~Temp_lang() { | ~Temp_lang() { |
| frequest.restore_lang(saved_lang); | frequest.restore_lang(saved_lang); |
| } | } |
| }; | }; |
| Line 514 class Temp_connection { | Line 485 class Temp_connection { |
| Request& frequest; | Request& frequest; |
| SQL_Connection* saved_connection; | SQL_Connection* saved_connection; |
| public: | public: |
| Temp_connection(Request& arequest, SQL_Connection* aconnection) : | Temp_connection(Request& arequest, SQL_Connection* aconnection) : |
| frequest(arequest), | frequest(arequest), |
| saved_connection(arequest.set_connection(aconnection)) { | saved_connection(arequest.set_connection(aconnection)) { |
| } | } |
| ~Temp_connection() { | ~Temp_connection() { |
| frequest.restore_connection(saved_connection); | frequest.restore_connection(saved_connection); |
| } | } |
| }; | }; |
| Line 530 public: | Line 501 public: |
| InCycle(Request& arequest) : frequest(arequest) { | InCycle(Request& arequest) : frequest(arequest) { |
| frequest.set_in_cycle(1); | frequest.set_in_cycle(1); |
| } | } |
| ~InCycle() { | ~InCycle() { |
| frequest.set_in_cycle(-1); | frequest.set_in_cycle(-1); |
| } | } |
| }; | }; |