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Diff for /parser3/src/include/pa_request.h between versions 1.237 and 1.252

version 1.237, 2016/11/01 22:39:00 version 1.252, 2020/10/28 22:32:02
Line 1 Line 1
 /** @file  /** @file
         Parser: request class decl.          Parser: request class decl.
   
         Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com)          Copyright (c) 2001-2017 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 35  class VCookie; Line 35  class VCookie;
 class VStateless_class;  class VStateless_class;
 class VConsole;  class VConsole;
   
 extern int pa_execute_recoursion_limit;  
 extern int pa_loop_limit;  extern int pa_loop_limit;
   extern int pa_execute_recoursion_limit;
   extern size_t pa_file_size_limit;
   
 /// Main workhorse.  /// Main workhorse.
 class Request: public PA_Object {  class Request: public PA_Object {
Line 64  public: Line 65  public:
   
         enum Skip {          enum Skip {
                 SKIP_NOTHING,                  SKIP_NOTHING,
                   SKIP_CONTINUE,
                 SKIP_BREAK,                  SKIP_BREAK,
                 SKIP_CONTINUE                  SKIP_RETURN,
                   SKIP_INTERRUPTED
         };          };
   
 private:  private:
Line 86  private: Line 89  private:
                 ArrayOperation& ops() const { return *fops; }                  ArrayOperation& ops() const { return *fops; }
                 VMethodFrame& method_frame() const { return *fmethod_frame; }                  VMethodFrame& method_frame() const { return *fmethod_frame; }
   
                 /// needed to fill unused Array entries  
                 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 123  private: Line 124  private:
         Array<String::Body> file_list;          Array<String::Body> file_list;
   
         /// endless execute(execute(... preventing counter          /// endless execute(execute(... preventing counter
         uint anti_endless_execute_recoursion;          int anti_endless_execute_recoursion;
   
         ///@}          ///@}
   
Line 146  public: Line 147  public:
         /// current connection          /// current connection
         SQL_Connection* fconnection;          SQL_Connection* fconnection;
         //@}          //@}
         /// interrupted flag, raised on signals [SIGPIPE]  
         bool finterrupted;  private:
         Skip fskip;  
         int fin_cycle;          int fin_cycle;
           Skip fskip;
           VMethodFrame* freturn_method_frame;
   
 public:  public:
         uint register_file(String::Body file_spec);          uint register_file(String::Body file_spec);
Line 188  public: Line 191  public:
                 core request processing                  core request processing
                 BEWARE: may throw exception to you: catch it!                  BEWARE: may throw exception to you: catch it!
         */          */
         void core(const char* config_filespec, bool config_fail_on_read_problem, bool header_only);          void core(const char* config_filespec, bool header_only);
   
         /// executes ops          /// executes ops
         void execute(ArrayOperation& ops); // execute.C          void execute(ArrayOperation& ops); // execute.C
         void call(VMethodFrame &frame);  
         void call_expression(VMethodFrame &frame);          template<typename Frame> void call(Frame& frame){
         void call_write(VMethodFrame &frame);                  VMethodFrame *saved_method_frame=method_frame;
                   Value* saved_rcontext=rcontext;
                   WContext *saved_wcontext=wcontext;
   
                   rcontext=wcontext=method_frame=&frame;
   
                   frame.call(*this);
   
                   wcontext=saved_wcontext;
                   rcontext=saved_rcontext;
                   method_frame=saved_method_frame;
           }
   
           template<typename Frame> void call_write(Frame& frame){
                   VMethodFrame *saved_method_frame=method_frame;
                   Value* saved_rcontext=rcontext;
   
                   rcontext=method_frame=&frame;
   
                   frame.call(*this);
   
                   rcontext=saved_rcontext;
                   method_frame=saved_method_frame;
           }
   
         Value& construct(VStateless_class &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
Line 212  public: Line 239  public:
   
         /// 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);  
           /// for @USE only, calls ^use (which may be user-defined)
           void use_file(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, const char* source, const String* main_alias, uint file_no, int line_no_offset=0);          void use_buf(VStateless_class& aclass, const char* source, const String* main_alias, uint file_no, int line_no_offset=0);
Line 227  public: Line 256  public:
                 return process(input_value).as_string();                  return process(input_value).as_string();
         }          }
         //@}          //@}
         const String* get_method_filename(const Method* method); // execute.C          const Operation::Origin get_method_origin(const Method* method); // execute.C
         const String* get_used_filename(uint file_no);          const String* get_method_filespec(const Method* method); // execute.C
           const String* get_used_filespec(uint file_no);
                   
         /// appending, sure of clean string inside          /// appending string with it's languages
         void write_no_lang(const String& astring) {          inline void write(const String& astring) {
                 wcontext->write(astring);  
         }  
         /// appending sure value, that would be converted to clean string  
         void write_no_lang(Value& avalue) {  
                 wcontext->write_as_string(avalue);  
         }  
   
         /// appending string, passing language built into string being written  
         void write_pass_lang(const String& astring) {  
                 wcontext->write(astring);                  wcontext->write(astring);
         }          }
         /// appending possible string, passing language built into string being written          
         void write_pass_lang(Value& avalue) {          /// in [] and {} appending string if get_string is not null, else appending value
           /// in () appending string if is_string, else appending value
           inline void write(Value& avalue) {
                 wcontext->write_as_string(avalue);                  wcontext->write_as_string(avalue);
         }          }
   
         /// appending sure value          /// allways appending value
         void write_value(Value& avalue) {          inline void write_value(Value& avalue) {
                 wcontext->write(avalue);                  wcontext->write(avalue);
         }          }
   
Line 272  public: Line 295  public:
                 return fconnection;                  return fconnection;
         }          }
   
         void set_interrupted(bool ainterrupted) { finterrupted=ainterrupted; }  
         bool get_interrupted() { return finterrupted; }  
   
         void set_skip(Skip askip) { fskip=askip; }  
         Skip get_skip() { return fskip; }          Skip get_skip() { return fskip; }
           void set_skip(Skip askip) { fskip=askip; }
           void set_skip_return(VMethodFrame& amethod_frame) { fskip=SKIP_RETURN; freturn_method_frame=&amethod_frame; }
           inline bool check_skip_break() { bool result=fskip >= SKIP_BREAK; if(fskip <= SKIP_BREAK) fskip=SKIP_NOTHING; return result; }
           inline void check_skip_return() { if(fskip==SKIP_RETURN && method_frame==freturn_method_frame) fskip=SKIP_NOTHING; }
   
         void set_in_cycle(int adelta) { fin_cycle+=adelta; }          void set_in_cycle(int adelta) { fin_cycle+=adelta; }
         bool get_in_cycle() { return fin_cycle>0; }          bool get_in_cycle() { return fin_cycle>0; }
Line 318  public: // status read methods Line 341  public: // status read methods
         /// 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);
   
         /// for @main[]          /// for @main[] and parser://method/call
         const String* execute_virtual_method(Value& aself, const String& method_name);          const String* execute_method(VStateless_class& aclass, const String& method_name, Value* optional_param = 0);
   
         /// executes parser method, use op_call(frame) to execute native method  
         void execute_method(VMethodFrame& aframe);  
   
         //{ for @conf[filespec] and @auto[filespec] and parser://method/call          //{ for @conf[filespec] and @auto[filespec]
         const String* execute_method(Value& aself, const Method& method, Value* optional_param, bool do_return_string);          bool execute_method_if_exists(VStateless_class& aclass, const String& method_name, Value* optional_param);
   
         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  #ifdef XML
Line 377  private: // mime types Line 390  private: // mime types
         /// $MAIN:MIME-TYPES          /// $MAIN:MIME-TYPES
         Table *mime_types;          Table *mime_types;
   
 private: // lang manipulation  
   
         String::Language set_lang(String::Language alang) {  
                 String::Language result=flang;  
                 flang=alang;  
                 return result;  
         }  
         void restore_lang(String::Language alang) {  
                 flang=alang;  
         }  
   
 private: // connection manipulation  private: // connection manipulation
   
         SQL_Connection* set_connection(SQL_Connection* aconnection) {          SQL_Connection* set_connection(SQL_Connection* aconnection) {
Line 472  public: Line 474  public:
         }          }
 };  };
   
   ///     Auto-object used for break out of cycle check
   class TempSkip4Delimiter {
           Request& frequest;
           Request::Skip fskip;
   public:
           TempSkip4Delimiter(Request& arequest) : frequest(arequest), fskip(arequest.get_skip()) {
                   frequest.set_skip(Request::SKIP_NOTHING);
           }
           // returns true if break required, should be called
           bool check_break() {
                   if(frequest.get_skip())
                           fskip=frequest.get_skip();
                   frequest.set_skip(fskip <= Request::SKIP_BREAK ? Request::SKIP_NOTHING : fskip);
                   return fskip >= Request::SKIP_BREAK;
           }
   };
   
 ///     Auto-object used for temporary changing Request::allow_class_replace.  ///     Auto-object used for temporary changing Request::allow_class_replace.
 class Temp_class_replace {  class Temp_class_replace {
         Request& frequest;          Request& frequest;
Removed from v.1.237  
changed lines
  Added in v.1.252

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