--- parser3/src/include/pa_request.h 2003/03/24 13:43:41 1.160.2.37.2.10 +++ parser3/src/include/pa_request.h 2009/05/04 09:26:08 1.192 @@ -1,16 +1,16 @@ /** @file Parser: request class decl. - Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com) Author: Alexandr Petrosian (http://paf.design.ru) */ #ifndef PA_REQUEST_H #define PA_REQUEST_H -static const char* IDENT_REQUEST_H="$Date: 2003/03/24 13:43:41 $"; +static const char * const IDENT_REQUEST_H="$Date: 2009/05/04 09:26:08 $"; -#include "pa_request_info.h" +#include "pa_pool.h" #include "pa_hash.h" #include "pa_wcontext.h" #include "pa_value.h" @@ -18,6 +18,7 @@ static const char* IDENT_REQUEST_H="$Dat #include "pa_request_info.h" #include "pa_request_charsets.h" #include "pa_sapi.h" +#include "pa_vconsole.h" #ifdef RESOURCES_DEBUG #include @@ -26,18 +27,18 @@ static const char* IDENT_REQUEST_H="$Dat // consts const uint ANTI_ENDLESS_EXECUTE_RECOURSION=1000; +const size_t pseudo_file_no__process=1; // forwards class Temp_lang; class Methoded; class VMethodFrame; -class GdomeDOMString_auto_ptr; -class VMail; DECLARE_OBJECT_PTR(VMail); -class VForm; DECLARE_OBJECT_PTR(VForm); -class VResponse; DECLARE_OBJECT_PTR(VResponse); -class VCookie; DECLARE_OBJECT_PTR(VCookie); -class VStateless_class; DECLARE_OBJECT_PTR(VStateless_class); +class VMail; +class VForm; +class VResponse; +class VCookie; +class VStateless_class; /// Main workhorse. class Request: public PA_Object { @@ -45,6 +46,74 @@ class Request: public PA_Object { friend class Temp_connection; friend class Request_context_saver; friend class Temp_request_self; + friend class Exception_trace; + +public: + class Trace { + const String* fname; + Operation::Origin forigin; + public: + Trace(): fname(0) {} + void clear() { fname=0; } + operator bool() const { return fname!=0; } + + Trace(const String* aname, const Operation::Origin aorigin): + fname(aname), forigin(aorigin) {} + + const String* name() const { return fname; } + const Operation::Origin origin() const { return forigin; } + }; + + enum Skip { + SKIP_NOTHING, + SKIP_BREAK, + SKIP_CONTINUE + }; + +private: + Pool fpool; +public: + Pool& pool() { return fpool; } + +private: + union StackItem { + Value* fvalue; + ArrayOperation* fops; + VMethodFrame* fmethod_frame; + public: + Value& value() const { return *fvalue; } + const String& string() const { + return fvalue->as_string(); + } + ArrayOperation& ops() const { return *fops; } + VMethodFrame& method_frame() const { return *fmethod_frame; } + + /// needed to fill unused Array entries + StackItem() {} + StackItem(Value& avalue): fvalue(&avalue) {} + StackItem(ArrayOperation& aops): fops(&aops) {} + StackItem(VMethodFrame& amethod_frame): fmethod_frame(&amethod_frame) {} + }; + + class Exception_trace: public Stack { + size_t fbottom; + public: + Exception_trace(): fbottom(0) {} + + size_t bottom_index() { return fbottom; } + void set_bottom_index(size_t abottom) { fbottom=abottom; } + element_type bottom_value() { return get(bottom_index()); } + + void clear() { + fused=fbottom=0; + } + + bool is_empty() { + return fused==fbottom; + } + + const element_type extract_origin(const String*& problem_source); + }; ///@{ core data @@ -52,7 +121,9 @@ class Request: public PA_Object { HashStringValue fclasses; /// already used files to avoid cyclic uses - Hash used_files; + Hash used_files; + /// list of all used files, Operation::file_no = index to it + Array file_list; /** endless execute(execute(... preventing counter @see ANTI_ENDLESS_EXECUTE_RECOURSION @@ -61,26 +132,14 @@ class Request: public PA_Object { ///@} -public: - - union StackItem { - const String* string() const { return value->get_string(); } - Value* value; - ArrayOperation* ops; - VMethodFrame* method_frame; + /// execution stack + Stack stack; - /// needed to fill unused Array entries - StackItem() {} - StackItem(Value* avalue): value(avalue) {} - StackItem(ArrayOperation* aops): ops(aops) {} - StackItem(VMethodFrame* amethod_frame): method_frame(amethod_frame) {} - }; + /// exception stack trace + Exception_trace exception_trace; +public: //@{ request processing status - /// exception stack trace - //Stack exception_trace; - /// execution stack - Stack stack; /// contexts VMethodFrame* method_frame; Value* rcontext; @@ -92,8 +151,28 @@ public: //@} /// interrupted flag, raised on signals [SIGPIPE] bool finterrupted; + Skip fskip; public: + uint register_file(String::Body file_spec); + + struct Exception_details { + const Trace trace; + const String* problem_source; + VHash& vhash; + + Exception_details( + const Trace atrace, + const String* aproblem_source, + VHash& avhash): trace(atrace), problem_source(aproblem_source), vhash(avhash) {} + }; + Exception_details get_details(const Exception& e); + const char* get_exception_cstr(const Exception& e, Exception_details& details); + + /// @see Stack::wipe_unused + void wipe_unused_execution_stack() { + stack.wipe_unused(); + } #ifdef RESOURCES_DEBUG /// measures @@ -122,12 +201,14 @@ public: /// executes ops void execute(ArrayOperation& ops); // execute.C + void op_call(VMethodFrame &frame); + void op_call_write(VMethodFrame &frame); /// execute ops with anti-recoursion check void recoursion_checked_execute(/*const String& name, */ArrayOperation& ops) { // anti_endless_execute_recoursion if(++anti_endless_execute_recoursion==ANTI_ENDLESS_EXECUTE_RECOURSION) { anti_endless_execute_recoursion=0; // give @exception a chance - throw Exception("parser.runtime", + throw Exception(PARSER_RUNTIME, 0, //&name, "call canceled - endless recursion detected"); } @@ -138,15 +219,20 @@ public: /// 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* main_alias=0, bool ignore_class_path=false, - bool fail_on_read_problem=true, bool fail_on_file_absence=true); // pa_request.C + bool fail_on_read_problem=true, + bool fail_on_file_absence=true); // pa_request.C /// compiles a @a source buffer void use_buf(VStateless_class& aclass, const char* source, - const String& filespec, const char* filespec_cstr); // pa_request.C + const String* main_alias, + uint file_no, + int line_no_offset=0); // pa_request.C /// processes any code-junction there may be inside of @a value StringOrValue process(Value& input_value, bool intercept_string=true); // execute.C + void process_write(Value& input_value); // execute.C //@{ convinient helpers const String& process_to_string(Value& input_value) { return process(input_value, true/*intercept_string*/).as_string(); @@ -211,7 +297,7 @@ public: /// returns current SQL connection if any SQL_Connection* connection(bool fail_on_error=true) { if(fail_on_error && !fconnection) - throw Exception("parser.runtime", + throw Exception(PARSER_RUNTIME, 0, "outside of 'connect' operator"); @@ -221,6 +307,9 @@ public: void set_interrupted(bool ainterrupted) { finterrupted=ainterrupted; } bool get_interrupted() { return finterrupted; } + void set_skip(Skip askip) { fskip=askip; } + Skip get_skip() { return fskip; } + public: /// info from web server @@ -242,9 +331,11 @@ public: VResponse& response; /// $cookie:elements VCookie& cookie; + /// $console + VConsole& console; /// classes configured data - HashStringObject classes_conf; + Hash classes_conf; public: // status read methods @@ -260,23 +351,35 @@ public: // status read methods } */ + /// for @main[] + const String* execute_virtual_method(Value& aself, const String& method_name); + + /// for @postprocess[body] + StringOrValue execute_method(VMethodFrame& amethodFrame, const Method& method); + //{ for @conf[filespec] and @auto[filespec] and parser://method/call + const String* execute_method(Value& aself, + const Method& method, Value* optional_param, + bool do_return_string); + struct Execute_nonvirtual_method_result { + const String* string; + Method* method; + Execute_nonvirtual_method_result(): string(0), method(0) {} + }; + Execute_nonvirtual_method_result execute_nonvirtual_method(VStateless_class& aclass, + const String& method_name, + VString* optional_param, + bool do_return_string); + //} + #ifdef XML public: // charset helpers /// @see Charset::transcode - GdomeDOMString_auto_ptr transcode(const String& s); + xmlChar* transcode(const String& s); /// @see Charset::transcode - const String& transcode(GdomeDOMString* s -#ifndef NO_STRING_ORIGIN - , const String& origin -#endif - ); + xmlChar* transcode(const String::Body s); /// @see Charset::transcode - const String& transcode(xmlChar* s -#ifndef NO_STRING_ORIGIN - , const String& origin -#endif - ); + const String& transcode(const xmlChar* s); #endif @@ -287,31 +390,19 @@ private: void configure_admin(VStateless_class& conf_class); + void configure(); + private: // compile.C - VStateless_class& compile(VStateless_class* aclass, const char* source, const char* file); + ArrayClass& compile(VStateless_class* aclass, + const char* source, const String* main_alias, + uint file_no, + int line_no_offset); private: // execute.C - /// for @postprocess[body] - const String& execute_method(VMethodFrame& amethodFrame, const Method& method); - //{ for @conf[filespec] and @auto[filespec] - const String* execute_method(Value& aself, - const Method& method, VString* optional_param, - bool do_return_string); - struct Execute_nonvirtual_method_result { - const String* string; - Method* method; - Execute_nonvirtual_method_result(): string(0), method(0) {} - }; - Execute_nonvirtual_method_result execute_nonvirtual_method(VStateless_class& aclass, - const String& method_name, VString* optional_param, - bool do_return_string); - //} - /// for @main[] - const String* execute_virtual_method(Value& aself, const String& method_name); - - Value* get_element(bool can_call_operator); + void put_element(Value& ncontext, const String& name, Value* value); + Value& get_element(Value& ncontext, const String& name); private: // defaults @@ -354,13 +445,15 @@ class Request_context_saver { Request& fr; /// exception stack trace - int exception_trace; + size_t exception_trace_top; + size_t exception_trace_bottom; /// execution stack - int stack; + size_t stack; + uint anti_endless_execute_recoursion; /// contexts - VMethodFrame *method_frame; - Value *rcontext; - WContext *wcontext; + VMethodFrame* method_frame; + Value* rcontext; + WContext* wcontext; /// current language String::Language flang; /// current connection @@ -368,17 +461,21 @@ class Request_context_saver { public: Request_context_saver(Request& ar) : - //exception_trace(ar.exception_trace.top_index()), + fr(ar), + exception_trace_top(ar.exception_trace.top_index()), + exception_trace_bottom(ar.exception_trace.bottom_index()), stack(ar.stack.top_index()), + anti_endless_execute_recoursion(ar.anti_endless_execute_recoursion), method_frame(ar.method_frame), rcontext(ar.rcontext), wcontext(ar.wcontext), flang(ar.flang), - fconnection(ar.fconnection), - fr(ar) {} + fconnection(ar.fconnection) {} void restore() { - //fr.exception_trace.top_index(exception_trace); - fr.stack.top_index(stack); + fr.exception_trace.set_top_index(exception_trace_top); + fr.exception_trace.set_bottom_index(exception_trace_bottom); + fr.stack.set_top_index(stack); + fr.anti_endless_execute_recoursion=anti_endless_execute_recoursion; fr.method_frame=method_frame, fr.rcontext=rcontext; fr.wcontext=wcontext; fr.flang=flang; fr.fconnection=fconnection; @@ -416,19 +513,32 @@ public: // defines for externs +#define CONTENT_TRANSFER_ENCODING_NAME "content-transfer-encoding" #define CONTENT_DISPOSITION_NAME "content-disposition" -#define CONTENT_DISPOSITION_VALUE "attachment" +#define CONTENT_DISPOSITION_ATTACHMENT "attachment" +#define CONTENT_DISPOSITION_INLINE "inline" #define CONTENT_DISPOSITION_FILENAME_NAME "filename" +#define EXCEPTION_HANDLED_PART_NAME "handled" + + // externs extern const String main_method_name; extern const String auto_method_name; extern const String body_name; + +extern const String content_transfer_encoding_name; extern const String content_disposition_name; -extern const String content_disposition_value; +extern const String content_disposition_attachment; +extern const String content_disposition_inline; extern const String content_disposition_filename_name; +extern const String exception_type_part_name; +extern const String exception_source_part_name; +extern const String exception_comment_part_name; +extern const String exception_handled_part_name; + // defines for statics #define MAIN_CLASS_NAME "MAIN"